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_IFACE_SOCKET_OWNER
] = { .type
= NLA_FLAG
},
392 [NL80211_ATTR_CSA_C_OFFSETS_TX
] = { .type
= NLA_BINARY
},
393 [NL80211_ATTR_USE_RRM
] = { .type
= NLA_FLAG
},
394 [NL80211_ATTR_TSID
] = { .type
= NLA_U8
},
395 [NL80211_ATTR_USER_PRIO
] = { .type
= NLA_U8
},
396 [NL80211_ATTR_ADMITTED_TIME
] = { .type
= NLA_U16
},
397 [NL80211_ATTR_SMPS_MODE
] = { .type
= NLA_U8
},
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 WARN_ON(!cfg80211_chandef_valid(chandef
));
2322 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2323 chandef
->chan
->center_freq
))
2325 switch (chandef
->width
) {
2326 case NL80211_CHAN_WIDTH_20_NOHT
:
2327 case NL80211_CHAN_WIDTH_20
:
2328 case NL80211_CHAN_WIDTH_40
:
2329 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2330 cfg80211_get_chandef_type(chandef
)))
2336 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2338 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2340 if (chandef
->center_freq2
&&
2341 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2346 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2347 struct cfg80211_registered_device
*rdev
,
2348 struct wireless_dev
*wdev
)
2350 struct net_device
*dev
= wdev
->netdev
;
2353 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
2358 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2359 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2360 goto nla_put_failure
;
2362 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2363 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2364 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
2365 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2366 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2367 rdev
->devlist_generation
^
2368 (cfg80211_rdev_list_generation
<< 2)))
2369 goto nla_put_failure
;
2371 if (rdev
->ops
->get_channel
) {
2373 struct cfg80211_chan_def chandef
;
2375 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2377 if (nl80211_send_chandef(msg
, &chandef
))
2378 goto nla_put_failure
;
2382 if (wdev
->ssid_len
) {
2383 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2384 goto nla_put_failure
;
2387 return genlmsg_end(msg
, hdr
);
2390 genlmsg_cancel(msg
, hdr
);
2394 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2398 int wp_start
= cb
->args
[0];
2399 int if_start
= cb
->args
[1];
2400 struct cfg80211_registered_device
*rdev
;
2401 struct wireless_dev
*wdev
;
2404 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2405 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2407 if (wp_idx
< wp_start
) {
2413 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2414 if (if_idx
< if_start
) {
2418 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2419 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2431 cb
->args
[0] = wp_idx
;
2432 cb
->args
[1] = if_idx
;
2437 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2439 struct sk_buff
*msg
;
2440 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2441 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2443 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2447 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2453 return genlmsg_reply(msg
, info
);
2456 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2457 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2458 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2459 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2460 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2461 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2462 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2465 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2467 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2475 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2476 nla
, mntr_flags_policy
))
2479 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2481 *mntrflags
|= (1<<flag
);
2486 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2487 struct net_device
*netdev
, u8 use_4addr
,
2488 enum nl80211_iftype iftype
)
2491 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2497 case NL80211_IFTYPE_AP_VLAN
:
2498 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2501 case NL80211_IFTYPE_STATION
:
2502 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2512 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2514 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2515 struct vif_params params
;
2517 enum nl80211_iftype otype
, ntype
;
2518 struct net_device
*dev
= info
->user_ptr
[1];
2519 u32 _flags
, *flags
= NULL
;
2520 bool change
= false;
2522 memset(¶ms
, 0, sizeof(params
));
2524 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2526 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2527 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2530 if (ntype
> NL80211_IFTYPE_MAX
)
2534 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2535 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2537 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2539 if (netif_running(dev
))
2543 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2544 IEEE80211_MAX_MESH_ID_LEN
);
2545 wdev
->mesh_id_up_len
=
2546 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2547 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2548 wdev
->mesh_id_up_len
);
2552 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2553 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2555 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2559 params
.use_4addr
= -1;
2562 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2563 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2565 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2574 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2575 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2579 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2583 if (!err
&& params
.use_4addr
!= -1)
2584 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2589 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2591 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2592 struct vif_params params
;
2593 struct wireless_dev
*wdev
;
2594 struct sk_buff
*msg
;
2596 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2599 /* to avoid failing a new interface creation due to pending removal */
2600 cfg80211_destroy_ifaces(rdev
);
2602 memset(¶ms
, 0, sizeof(params
));
2604 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2607 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2608 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2609 if (type
> NL80211_IFTYPE_MAX
)
2613 if (!rdev
->ops
->add_virtual_intf
||
2614 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2617 if ((type
== NL80211_IFTYPE_P2P_DEVICE
||
2618 rdev
->wiphy
.features
& NL80211_FEATURE_MAC_ON_CREATE
) &&
2619 info
->attrs
[NL80211_ATTR_MAC
]) {
2620 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2622 if (!is_valid_ether_addr(params
.macaddr
))
2623 return -EADDRNOTAVAIL
;
2626 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2627 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2628 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2633 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2637 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2638 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2641 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2642 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2645 wdev
= rdev_add_virtual_intf(rdev
,
2646 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2647 type
, err
? NULL
: &flags
, ¶ms
);
2650 return PTR_ERR(wdev
);
2653 if (info
->attrs
[NL80211_ATTR_IFACE_SOCKET_OWNER
])
2654 wdev
->owner_nlportid
= info
->snd_portid
;
2657 case NL80211_IFTYPE_MESH_POINT
:
2658 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2661 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2662 IEEE80211_MAX_MESH_ID_LEN
);
2663 wdev
->mesh_id_up_len
=
2664 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2665 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2666 wdev
->mesh_id_up_len
);
2669 case NL80211_IFTYPE_P2P_DEVICE
:
2671 * P2P Device doesn't have a netdev, so doesn't go
2672 * through the netdev notifier and must be added here
2674 mutex_init(&wdev
->mtx
);
2675 INIT_LIST_HEAD(&wdev
->event_list
);
2676 spin_lock_init(&wdev
->event_lock
);
2677 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2678 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2680 wdev
->identifier
= ++rdev
->wdev_id
;
2681 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2682 rdev
->devlist_generation
++;
2688 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2694 return genlmsg_reply(msg
, info
);
2697 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2699 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2700 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2702 if (!rdev
->ops
->del_virtual_intf
)
2706 * If we remove a wireless device without a netdev then clear
2707 * user_ptr[1] so that nl80211_post_doit won't dereference it
2708 * to check if it needs to do dev_put(). Otherwise it crashes
2709 * since the wdev has been freed, unlike with a netdev where
2710 * we need the dev_put() for the netdev to really be freed.
2713 info
->user_ptr
[1] = NULL
;
2715 return rdev_del_virtual_intf(rdev
, wdev
);
2718 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2720 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2721 struct net_device
*dev
= info
->user_ptr
[1];
2724 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2727 if (!rdev
->ops
->set_noack_map
)
2730 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2732 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2735 struct get_key_cookie
{
2736 struct sk_buff
*msg
;
2741 static void get_key_callback(void *c
, struct key_params
*params
)
2744 struct get_key_cookie
*cookie
= c
;
2747 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2748 params
->key_len
, params
->key
)) ||
2750 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2751 params
->seq_len
, params
->seq
)) ||
2753 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2755 goto nla_put_failure
;
2757 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2759 goto nla_put_failure
;
2762 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2763 params
->key_len
, params
->key
)) ||
2765 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2766 params
->seq_len
, params
->seq
)) ||
2768 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2770 goto nla_put_failure
;
2772 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2773 goto nla_put_failure
;
2775 nla_nest_end(cookie
->msg
, key
);
2782 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2784 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2786 struct net_device
*dev
= info
->user_ptr
[1];
2788 const u8
*mac_addr
= NULL
;
2790 struct get_key_cookie cookie
= {
2794 struct sk_buff
*msg
;
2796 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2797 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2802 if (info
->attrs
[NL80211_ATTR_MAC
])
2803 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2805 pairwise
= !!mac_addr
;
2806 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2807 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2808 if (kt
>= NUM_NL80211_KEYTYPES
)
2810 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2811 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2813 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2816 if (!rdev
->ops
->get_key
)
2819 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2823 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2824 NL80211_CMD_NEW_KEY
);
2826 goto nla_put_failure
;
2829 cookie
.idx
= key_idx
;
2831 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2832 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2833 goto nla_put_failure
;
2835 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2836 goto nla_put_failure
;
2838 if (pairwise
&& mac_addr
&&
2839 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2842 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2849 goto nla_put_failure
;
2851 genlmsg_end(msg
, hdr
);
2852 return genlmsg_reply(msg
, info
);
2861 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2863 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2864 struct key_parse key
;
2866 struct net_device
*dev
= info
->user_ptr
[1];
2868 err
= nl80211_parse_key(info
, &key
);
2875 /* only support setting default key */
2876 if (!key
.def
&& !key
.defmgmt
)
2879 wdev_lock(dev
->ieee80211_ptr
);
2882 if (!rdev
->ops
->set_default_key
) {
2887 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2891 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2892 key
.def_uni
, key
.def_multi
);
2897 #ifdef CONFIG_CFG80211_WEXT
2898 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2901 if (key
.def_uni
|| !key
.def_multi
) {
2906 if (!rdev
->ops
->set_default_mgmt_key
) {
2911 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2915 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2919 #ifdef CONFIG_CFG80211_WEXT
2920 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2925 wdev_unlock(dev
->ieee80211_ptr
);
2930 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2932 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2934 struct net_device
*dev
= info
->user_ptr
[1];
2935 struct key_parse key
;
2936 const u8
*mac_addr
= NULL
;
2938 err
= nl80211_parse_key(info
, &key
);
2945 if (info
->attrs
[NL80211_ATTR_MAC
])
2946 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2948 if (key
.type
== -1) {
2950 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2952 key
.type
= NL80211_KEYTYPE_GROUP
;
2956 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2957 key
.type
!= NL80211_KEYTYPE_GROUP
)
2960 if (!rdev
->ops
->add_key
)
2963 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
2964 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2968 wdev_lock(dev
->ieee80211_ptr
);
2969 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2971 err
= rdev_add_key(rdev
, dev
, key
.idx
,
2972 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2974 wdev_unlock(dev
->ieee80211_ptr
);
2979 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
2981 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2983 struct net_device
*dev
= info
->user_ptr
[1];
2984 u8
*mac_addr
= NULL
;
2985 struct key_parse key
;
2987 err
= nl80211_parse_key(info
, &key
);
2991 if (info
->attrs
[NL80211_ATTR_MAC
])
2992 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2994 if (key
.type
== -1) {
2996 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2998 key
.type
= NL80211_KEYTYPE_GROUP
;
3002 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
3003 key
.type
!= NL80211_KEYTYPE_GROUP
)
3006 if (!rdev
->ops
->del_key
)
3009 wdev_lock(dev
->ieee80211_ptr
);
3010 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
3012 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
3013 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
3017 err
= rdev_del_key(rdev
, dev
, key
.idx
,
3018 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
3021 #ifdef CONFIG_CFG80211_WEXT
3023 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
3024 dev
->ieee80211_ptr
->wext
.default_key
= -1;
3025 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
3026 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
3029 wdev_unlock(dev
->ieee80211_ptr
);
3034 /* This function returns an error or the number of nested attributes */
3035 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
3037 struct nlattr
*attr
;
3038 int n_entries
= 0, tmp
;
3040 nla_for_each_nested(attr
, nl_attr
, tmp
) {
3041 if (nla_len(attr
) != ETH_ALEN
)
3051 * This function parses ACL information and allocates memory for ACL data.
3052 * On successful return, the calling function is responsible to free the
3053 * ACL buffer returned by this function.
3055 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
3056 struct genl_info
*info
)
3058 enum nl80211_acl_policy acl_policy
;
3059 struct nlattr
*attr
;
3060 struct cfg80211_acl_data
*acl
;
3061 int i
= 0, n_entries
, tmp
;
3063 if (!wiphy
->max_acl_mac_addrs
)
3064 return ERR_PTR(-EOPNOTSUPP
);
3066 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
3067 return ERR_PTR(-EINVAL
);
3069 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
3070 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
3071 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
3072 return ERR_PTR(-EINVAL
);
3074 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
3075 return ERR_PTR(-EINVAL
);
3077 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
3079 return ERR_PTR(n_entries
);
3081 if (n_entries
> wiphy
->max_acl_mac_addrs
)
3082 return ERR_PTR(-ENOTSUPP
);
3084 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
3087 return ERR_PTR(-ENOMEM
);
3089 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
3090 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
3094 acl
->n_acl_entries
= n_entries
;
3095 acl
->acl_policy
= acl_policy
;
3100 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
3102 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3103 struct net_device
*dev
= info
->user_ptr
[1];
3104 struct cfg80211_acl_data
*acl
;
3107 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3108 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3111 if (!dev
->ieee80211_ptr
->beacon_interval
)
3114 acl
= parse_acl_data(&rdev
->wiphy
, info
);
3116 return PTR_ERR(acl
);
3118 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
3125 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
3126 struct cfg80211_beacon_data
*bcn
)
3128 bool haveinfo
= false;
3130 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
3131 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
3132 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
3133 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3136 memset(bcn
, 0, sizeof(*bcn
));
3138 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3139 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3140 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3146 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3147 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3148 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3155 if (attrs
[NL80211_ATTR_IE
]) {
3156 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3157 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3160 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3161 bcn
->proberesp_ies
=
3162 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3163 bcn
->proberesp_ies_len
=
3164 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3167 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3168 bcn
->assocresp_ies
=
3169 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3170 bcn
->assocresp_ies_len
=
3171 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3174 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3175 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3176 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3182 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3183 struct cfg80211_ap_settings
*params
)
3185 struct wireless_dev
*wdev
;
3188 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3189 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3190 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3193 if (!wdev
->preset_chandef
.chan
)
3196 params
->chandef
= wdev
->preset_chandef
;
3204 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3205 enum nl80211_auth_type auth_type
,
3206 enum nl80211_commands cmd
)
3208 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3212 case NL80211_CMD_AUTHENTICATE
:
3213 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3214 auth_type
== NL80211_AUTHTYPE_SAE
)
3217 case NL80211_CMD_CONNECT
:
3218 case NL80211_CMD_START_AP
:
3219 /* SAE not supported yet */
3220 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3228 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3230 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3231 struct net_device
*dev
= info
->user_ptr
[1];
3232 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3233 struct cfg80211_ap_settings params
;
3236 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3237 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3240 if (!rdev
->ops
->start_ap
)
3243 if (wdev
->beacon_interval
)
3246 memset(¶ms
, 0, sizeof(params
));
3248 /* these are required for START_AP */
3249 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3250 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3251 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3254 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3258 params
.beacon_interval
=
3259 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3260 params
.dtim_period
=
3261 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3263 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3268 * In theory, some of these attributes should be required here
3269 * but since they were not used when the command was originally
3270 * added, keep them optional for old user space programs to let
3271 * them continue to work with drivers that do not need the
3272 * additional information -- drivers must check!
3274 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3275 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3277 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3278 if (params
.ssid_len
== 0 ||
3279 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3283 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3284 params
.hidden_ssid
= nla_get_u32(
3285 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3286 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3287 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3288 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3292 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3294 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3295 params
.auth_type
= nla_get_u32(
3296 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3297 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3298 NL80211_CMD_START_AP
))
3301 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3303 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3304 NL80211_MAX_NR_CIPHER_SUITES
);
3308 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3309 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3311 params
.inactivity_timeout
= nla_get_u16(
3312 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3315 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3316 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3318 params
.p2p_ctwindow
=
3319 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3320 if (params
.p2p_ctwindow
> 127)
3322 if (params
.p2p_ctwindow
!= 0 &&
3323 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3327 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3330 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3332 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3335 params
.p2p_opp_ps
= tmp
;
3336 if (params
.p2p_opp_ps
!= 0 &&
3337 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3341 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3342 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3345 } else if (wdev
->preset_chandef
.chan
) {
3346 params
.chandef
= wdev
->preset_chandef
;
3347 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3350 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
3354 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3355 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3356 if (IS_ERR(params
.acl
))
3357 return PTR_ERR(params
.acl
);
3360 if (info
->attrs
[NL80211_ATTR_SMPS_MODE
]) {
3362 nla_get_u8(info
->attrs
[NL80211_ATTR_SMPS_MODE
]);
3363 switch (params
.smps_mode
) {
3364 case NL80211_SMPS_OFF
:
3366 case NL80211_SMPS_STATIC
:
3367 if (!(rdev
->wiphy
.features
&
3368 NL80211_FEATURE_STATIC_SMPS
))
3371 case NL80211_SMPS_DYNAMIC
:
3372 if (!(rdev
->wiphy
.features
&
3373 NL80211_FEATURE_DYNAMIC_SMPS
))
3380 params
.smps_mode
= NL80211_SMPS_OFF
;
3384 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3386 wdev
->preset_chandef
= params
.chandef
;
3387 wdev
->beacon_interval
= params
.beacon_interval
;
3388 wdev
->chandef
= params
.chandef
;
3389 wdev
->ssid_len
= params
.ssid_len
;
3390 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3399 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3401 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3402 struct net_device
*dev
= info
->user_ptr
[1];
3403 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3404 struct cfg80211_beacon_data params
;
3407 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3408 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3411 if (!rdev
->ops
->change_beacon
)
3414 if (!wdev
->beacon_interval
)
3417 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3422 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3428 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3430 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3431 struct net_device
*dev
= info
->user_ptr
[1];
3433 return cfg80211_stop_ap(rdev
, dev
, false);
3436 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3437 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3438 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3439 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3440 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3441 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3442 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3445 static int parse_station_flags(struct genl_info
*info
,
3446 enum nl80211_iftype iftype
,
3447 struct station_parameters
*params
)
3449 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3454 * Try parsing the new attribute first so userspace
3455 * can specify both for older kernels.
3457 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3459 struct nl80211_sta_flag_update
*sta_flags
;
3461 sta_flags
= nla_data(nla
);
3462 params
->sta_flags_mask
= sta_flags
->mask
;
3463 params
->sta_flags_set
= sta_flags
->set
;
3464 params
->sta_flags_set
&= params
->sta_flags_mask
;
3465 if ((params
->sta_flags_mask
|
3466 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3471 /* if present, parse the old attribute */
3473 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3477 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3478 nla
, sta_flags_policy
))
3482 * Only allow certain flags for interface types so that
3483 * other attributes are silently ignored. Remember that
3484 * this is backward compatibility code with old userspace
3485 * and shouldn't be hit in other cases anyway.
3488 case NL80211_IFTYPE_AP
:
3489 case NL80211_IFTYPE_AP_VLAN
:
3490 case NL80211_IFTYPE_P2P_GO
:
3491 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3492 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3493 BIT(NL80211_STA_FLAG_WME
) |
3494 BIT(NL80211_STA_FLAG_MFP
);
3496 case NL80211_IFTYPE_P2P_CLIENT
:
3497 case NL80211_IFTYPE_STATION
:
3498 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3499 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3501 case NL80211_IFTYPE_MESH_POINT
:
3502 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3503 BIT(NL80211_STA_FLAG_MFP
) |
3504 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3509 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3511 params
->sta_flags_set
|= (1<<flag
);
3513 /* no longer support new API additions in old API */
3514 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3522 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3525 struct nlattr
*rate
;
3529 rate
= nla_nest_start(msg
, attr
);
3533 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3534 bitrate
= cfg80211_calculate_bitrate(info
);
3535 /* report 16-bit bitrate only if we can */
3536 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3538 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3540 if (bitrate_compat
> 0 &&
3541 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3544 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3545 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3547 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3548 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3550 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3551 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3553 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3554 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3556 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3558 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3559 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3561 if (info
->flags
& RATE_INFO_FLAGS_80_MHZ_WIDTH
&&
3562 nla_put_flag(msg
, NL80211_RATE_INFO_80_MHZ_WIDTH
))
3564 if (info
->flags
& RATE_INFO_FLAGS_80P80_MHZ_WIDTH
&&
3565 nla_put_flag(msg
, NL80211_RATE_INFO_80P80_MHZ_WIDTH
))
3567 if (info
->flags
& RATE_INFO_FLAGS_160_MHZ_WIDTH
&&
3568 nla_put_flag(msg
, NL80211_RATE_INFO_160_MHZ_WIDTH
))
3570 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3571 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3575 nla_nest_end(msg
, rate
);
3579 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3588 attr
= nla_nest_start(msg
, id
);
3592 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3593 if (!(mask
& BIT(i
)))
3596 if (nla_put_u8(msg
, i
, signal
[i
]))
3600 nla_nest_end(msg
, attr
);
3605 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3607 struct cfg80211_registered_device
*rdev
,
3608 struct net_device
*dev
,
3609 const u8
*mac_addr
, struct station_info
*sinfo
)
3612 struct nlattr
*sinfoattr
, *bss_param
;
3614 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3618 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3619 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3620 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3621 goto nla_put_failure
;
3623 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3625 goto nla_put_failure
;
3626 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
3627 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
3628 sinfo
->connected_time
))
3629 goto nla_put_failure
;
3630 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
3631 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
3632 sinfo
->inactive_time
))
3633 goto nla_put_failure
;
3634 if ((sinfo
->filled
& (STATION_INFO_RX_BYTES
|
3635 STATION_INFO_RX_BYTES64
)) &&
3636 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3637 (u32
)sinfo
->rx_bytes
))
3638 goto nla_put_failure
;
3639 if ((sinfo
->filled
& (STATION_INFO_TX_BYTES
|
3640 STATION_INFO_TX_BYTES64
)) &&
3641 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3642 (u32
)sinfo
->tx_bytes
))
3643 goto nla_put_failure
;
3644 if ((sinfo
->filled
& STATION_INFO_RX_BYTES64
) &&
3645 nla_put_u64(msg
, NL80211_STA_INFO_RX_BYTES64
,
3647 goto nla_put_failure
;
3648 if ((sinfo
->filled
& STATION_INFO_TX_BYTES64
) &&
3649 nla_put_u64(msg
, NL80211_STA_INFO_TX_BYTES64
,
3651 goto nla_put_failure
;
3652 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
3653 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
3654 goto nla_put_failure
;
3655 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
3656 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
3657 goto nla_put_failure
;
3658 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
3659 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
3660 sinfo
->plink_state
))
3661 goto nla_put_failure
;
3662 switch (rdev
->wiphy
.signal_type
) {
3663 case CFG80211_SIGNAL_TYPE_MBM
:
3664 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
3665 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
3667 goto nla_put_failure
;
3668 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
3669 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
3671 goto nla_put_failure
;
3676 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL
) {
3677 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3678 sinfo
->chain_signal
,
3679 NL80211_STA_INFO_CHAIN_SIGNAL
))
3680 goto nla_put_failure
;
3682 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL_AVG
) {
3683 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3684 sinfo
->chain_signal_avg
,
3685 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3686 goto nla_put_failure
;
3688 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
3689 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3690 NL80211_STA_INFO_TX_BITRATE
))
3691 goto nla_put_failure
;
3693 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
3694 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3695 NL80211_STA_INFO_RX_BITRATE
))
3696 goto nla_put_failure
;
3698 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
3699 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
3701 goto nla_put_failure
;
3702 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
3703 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
3705 goto nla_put_failure
;
3706 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
3707 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
3709 goto nla_put_failure
;
3710 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
3711 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
3713 goto nla_put_failure
;
3714 if ((sinfo
->filled
& STATION_INFO_EXPECTED_THROUGHPUT
) &&
3715 nla_put_u32(msg
, NL80211_STA_INFO_EXPECTED_THROUGHPUT
,
3716 sinfo
->expected_throughput
))
3717 goto nla_put_failure
;
3718 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
3719 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
3720 sinfo
->beacon_loss_count
))
3721 goto nla_put_failure
;
3722 if ((sinfo
->filled
& STATION_INFO_LOCAL_PM
) &&
3723 nla_put_u32(msg
, NL80211_STA_INFO_LOCAL_PM
,
3725 goto nla_put_failure
;
3726 if ((sinfo
->filled
& STATION_INFO_PEER_PM
) &&
3727 nla_put_u32(msg
, NL80211_STA_INFO_PEER_PM
,
3729 goto nla_put_failure
;
3730 if ((sinfo
->filled
& STATION_INFO_NONPEER_PM
) &&
3731 nla_put_u32(msg
, NL80211_STA_INFO_NONPEER_PM
,
3733 goto nla_put_failure
;
3734 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
3735 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3737 goto nla_put_failure
;
3739 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3740 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3741 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3742 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3743 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3744 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3745 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3746 sinfo
->bss_param
.dtim_period
) ||
3747 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3748 sinfo
->bss_param
.beacon_interval
))
3749 goto nla_put_failure
;
3751 nla_nest_end(msg
, bss_param
);
3753 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
3754 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3755 sizeof(struct nl80211_sta_flag_update
),
3757 goto nla_put_failure
;
3758 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
3759 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
3761 goto nla_put_failure
;
3762 nla_nest_end(msg
, sinfoattr
);
3764 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
3765 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3766 sinfo
->assoc_req_ies
))
3767 goto nla_put_failure
;
3769 return genlmsg_end(msg
, hdr
);
3772 genlmsg_cancel(msg
, hdr
);
3776 static int nl80211_dump_station(struct sk_buff
*skb
,
3777 struct netlink_callback
*cb
)
3779 struct station_info sinfo
;
3780 struct cfg80211_registered_device
*rdev
;
3781 struct wireless_dev
*wdev
;
3782 u8 mac_addr
[ETH_ALEN
];
3783 int sta_idx
= cb
->args
[2];
3786 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
3790 if (!wdev
->netdev
) {
3795 if (!rdev
->ops
->dump_station
) {
3801 memset(&sinfo
, 0, sizeof(sinfo
));
3802 err
= rdev_dump_station(rdev
, wdev
->netdev
, sta_idx
,
3809 if (nl80211_send_station(skb
,
3810 NETLINK_CB(cb
->skb
).portid
,
3811 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3812 rdev
, wdev
->netdev
, mac_addr
,
3821 cb
->args
[2] = sta_idx
;
3824 nl80211_finish_wdev_dump(rdev
);
3829 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3831 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3832 struct net_device
*dev
= info
->user_ptr
[1];
3833 struct station_info sinfo
;
3834 struct sk_buff
*msg
;
3835 u8
*mac_addr
= NULL
;
3838 memset(&sinfo
, 0, sizeof(sinfo
));
3840 if (!info
->attrs
[NL80211_ATTR_MAC
])
3843 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3845 if (!rdev
->ops
->get_station
)
3848 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3852 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3856 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3857 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3862 return genlmsg_reply(msg
, info
);
3865 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3866 struct station_parameters
*params
,
3867 enum cfg80211_station_type statype
)
3869 if (params
->listen_interval
!= -1)
3872 !(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3875 /* When you run into this, adjust the code below for the new flag */
3876 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3879 case CFG80211_STA_MESH_PEER_KERNEL
:
3880 case CFG80211_STA_MESH_PEER_USER
:
3882 * No ignoring the TDLS flag here -- the userspace mesh
3883 * code doesn't have the bug of including TDLS in the
3886 if (params
->sta_flags_mask
&
3887 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3888 BIT(NL80211_STA_FLAG_MFP
) |
3889 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3892 case CFG80211_STA_TDLS_PEER_SETUP
:
3893 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3894 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3896 /* ignore since it can't change */
3897 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3900 /* disallow mesh-specific things */
3901 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3903 if (params
->local_pm
)
3905 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3909 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3910 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3911 /* TDLS can't be set, ... */
3912 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3915 * ... but don't bother the driver with it. This works around
3916 * a hostapd/wpa_supplicant issue -- it always includes the
3917 * TLDS_PEER flag in the mask even for AP mode.
3919 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3922 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
3923 /* reject other things that can't change */
3924 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
3926 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
3928 if (params
->supported_rates
)
3930 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
3934 if (statype
!= CFG80211_STA_AP_CLIENT
) {
3940 case CFG80211_STA_AP_MLME_CLIENT
:
3941 /* Use this only for authorizing/unauthorizing a station */
3942 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3945 case CFG80211_STA_AP_CLIENT
:
3946 /* accept only the listed bits */
3947 if (params
->sta_flags_mask
&
3948 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3949 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3950 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3951 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3952 BIT(NL80211_STA_FLAG_WME
) |
3953 BIT(NL80211_STA_FLAG_MFP
)))
3956 /* but authenticated/associated only if driver handles it */
3957 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
3958 params
->sta_flags_mask
&
3959 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3960 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
3963 case CFG80211_STA_IBSS
:
3964 case CFG80211_STA_AP_STA
:
3965 /* reject any changes other than AUTHORIZED */
3966 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
3969 case CFG80211_STA_TDLS_PEER_SETUP
:
3970 /* reject any changes other than AUTHORIZED or WME */
3971 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3972 BIT(NL80211_STA_FLAG_WME
)))
3974 /* force (at least) rates when authorizing */
3975 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
3976 !params
->supported_rates
)
3979 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3980 /* reject any changes */
3982 case CFG80211_STA_MESH_PEER_KERNEL
:
3983 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3986 case CFG80211_STA_MESH_PEER_USER
:
3987 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3994 EXPORT_SYMBOL(cfg80211_check_station_change
);
3997 * Get vlan interface making sure it is running and on the right wiphy.
3999 static struct net_device
*get_vlan(struct genl_info
*info
,
4000 struct cfg80211_registered_device
*rdev
)
4002 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
4003 struct net_device
*v
;
4009 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
4011 return ERR_PTR(-ENODEV
);
4013 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
4018 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4019 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4020 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
4025 if (!netif_running(v
)) {
4033 return ERR_PTR(ret
);
4036 static const struct nla_policy
4037 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] = {
4038 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
4039 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
4042 static int nl80211_parse_sta_wme(struct genl_info
*info
,
4043 struct station_parameters
*params
)
4045 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
4049 /* parse WME attributes if present */
4050 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
4053 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
4054 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
4055 nl80211_sta_wme_policy
);
4059 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
4060 params
->uapsd_queues
= nla_get_u8(
4061 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
4062 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
4065 if (tb
[NL80211_STA_WME_MAX_SP
])
4066 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
4068 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
4071 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
4076 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
4077 struct station_parameters
*params
)
4079 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
4080 params
->supported_channels
=
4081 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4082 params
->supported_channels_len
=
4083 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
4085 * Need to include at least one (first channel, number of
4086 * channels) tuple for each subband, and must have proper
4087 * tuples for the rest of the data as well.
4089 if (params
->supported_channels_len
< 2)
4091 if (params
->supported_channels_len
% 2)
4095 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
4096 params
->supported_oper_classes
=
4097 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4098 params
->supported_oper_classes_len
=
4099 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
4101 * The value of the Length field of the Supported Operating
4102 * Classes element is between 2 and 253.
4104 if (params
->supported_oper_classes_len
< 2 ||
4105 params
->supported_oper_classes_len
> 253)
4111 static int nl80211_set_station_tdls(struct genl_info
*info
,
4112 struct station_parameters
*params
)
4115 /* Dummy STA entry gets updated once the peer capabilities are known */
4116 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4117 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4118 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4120 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4121 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4123 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4125 err
= nl80211_parse_sta_channel_info(info
, params
);
4129 return nl80211_parse_sta_wme(info
, params
);
4132 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
4134 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4135 struct net_device
*dev
= info
->user_ptr
[1];
4136 struct station_parameters params
;
4140 memset(¶ms
, 0, sizeof(params
));
4142 params
.listen_interval
= -1;
4144 if (!rdev
->ops
->change_station
)
4147 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4150 if (!info
->attrs
[NL80211_ATTR_MAC
])
4153 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4155 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4156 params
.supported_rates
=
4157 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4158 params
.supported_rates_len
=
4159 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4162 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4164 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4165 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4168 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4170 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4171 params
.ext_capab_len
=
4172 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4175 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4178 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4181 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4182 params
.plink_action
=
4183 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4184 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4188 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4189 params
.plink_state
=
4190 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4191 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4193 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4196 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4197 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4198 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4200 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4201 pm
> NL80211_MESH_POWER_MAX
)
4204 params
.local_pm
= pm
;
4207 /* Include parameters for TDLS peer (will check later) */
4208 err
= nl80211_set_station_tdls(info
, ¶ms
);
4212 params
.vlan
= get_vlan(info
, rdev
);
4213 if (IS_ERR(params
.vlan
))
4214 return PTR_ERR(params
.vlan
);
4216 switch (dev
->ieee80211_ptr
->iftype
) {
4217 case NL80211_IFTYPE_AP
:
4218 case NL80211_IFTYPE_AP_VLAN
:
4219 case NL80211_IFTYPE_P2P_GO
:
4220 case NL80211_IFTYPE_P2P_CLIENT
:
4221 case NL80211_IFTYPE_STATION
:
4222 case NL80211_IFTYPE_ADHOC
:
4223 case NL80211_IFTYPE_MESH_POINT
:
4230 /* driver will call cfg80211_check_station_change() */
4231 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4235 dev_put(params
.vlan
);
4240 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4242 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4244 struct net_device
*dev
= info
->user_ptr
[1];
4245 struct station_parameters params
;
4246 u8
*mac_addr
= NULL
;
4248 memset(¶ms
, 0, sizeof(params
));
4250 if (!rdev
->ops
->add_station
)
4253 if (!info
->attrs
[NL80211_ATTR_MAC
])
4256 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4259 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4262 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4263 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4266 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4267 params
.supported_rates
=
4268 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4269 params
.supported_rates_len
=
4270 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4271 params
.listen_interval
=
4272 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4274 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4275 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4277 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4278 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4281 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4283 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4284 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4287 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4289 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4290 params
.ext_capab_len
=
4291 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4294 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4296 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4298 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4300 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4302 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4303 params
.opmode_notif_used
= true;
4304 params
.opmode_notif
=
4305 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4308 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4309 params
.plink_action
=
4310 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4311 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4315 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4319 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4323 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4326 /* When you run into this, adjust the code below for the new flag */
4327 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4329 switch (dev
->ieee80211_ptr
->iftype
) {
4330 case NL80211_IFTYPE_AP
:
4331 case NL80211_IFTYPE_AP_VLAN
:
4332 case NL80211_IFTYPE_P2P_GO
:
4333 /* ignore WME attributes if iface/sta is not capable */
4334 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4335 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4336 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4338 /* TDLS peers cannot be added */
4339 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4340 info
->attrs
[NL80211_ATTR_PEER_AID
])
4342 /* but don't bother the driver with it */
4343 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4345 /* allow authenticated/associated only if driver handles it */
4346 if (!(rdev
->wiphy
.features
&
4347 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4348 params
.sta_flags_mask
&
4349 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4350 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4353 /* must be last in here for error handling */
4354 params
.vlan
= get_vlan(info
, rdev
);
4355 if (IS_ERR(params
.vlan
))
4356 return PTR_ERR(params
.vlan
);
4358 case NL80211_IFTYPE_MESH_POINT
:
4359 /* ignore uAPSD data */
4360 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4362 /* associated is disallowed */
4363 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4365 /* TDLS peers cannot be added */
4366 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4367 info
->attrs
[NL80211_ATTR_PEER_AID
])
4370 case NL80211_IFTYPE_STATION
:
4371 case NL80211_IFTYPE_P2P_CLIENT
:
4372 /* ignore uAPSD data */
4373 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4375 /* these are disallowed */
4376 if (params
.sta_flags_mask
&
4377 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4378 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4380 /* Only TDLS peers can be added */
4381 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4383 /* Can only add if TDLS ... */
4384 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4386 /* ... with external setup is supported */
4387 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4390 * Older wpa_supplicant versions always mark the TDLS peer
4391 * as authorized, but it shouldn't yet be.
4393 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4399 /* be aware of params.vlan when changing code here */
4401 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4404 dev_put(params
.vlan
);
4408 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4410 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4411 struct net_device
*dev
= info
->user_ptr
[1];
4412 struct station_del_parameters params
;
4414 memset(¶ms
, 0, sizeof(params
));
4416 if (info
->attrs
[NL80211_ATTR_MAC
])
4417 params
.mac
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4419 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4420 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4421 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4422 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4425 if (!rdev
->ops
->del_station
)
4428 if (info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]) {
4430 nla_get_u8(info
->attrs
[NL80211_ATTR_MGMT_SUBTYPE
]);
4431 if (params
.subtype
!= IEEE80211_STYPE_DISASSOC
>> 4 &&
4432 params
.subtype
!= IEEE80211_STYPE_DEAUTH
>> 4)
4435 /* Default to Deauthentication frame */
4436 params
.subtype
= IEEE80211_STYPE_DEAUTH
>> 4;
4439 if (info
->attrs
[NL80211_ATTR_REASON_CODE
]) {
4440 params
.reason_code
=
4441 nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4442 if (params
.reason_code
== 0)
4443 return -EINVAL
; /* 0 is reserved */
4445 /* Default to reason code 2 */
4446 params
.reason_code
= WLAN_REASON_PREV_AUTH_NOT_VALID
;
4449 return rdev_del_station(rdev
, dev
, ¶ms
);
4452 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4453 int flags
, struct net_device
*dev
,
4454 u8
*dst
, u8
*next_hop
,
4455 struct mpath_info
*pinfo
)
4458 struct nlattr
*pinfoattr
;
4460 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_MPATH
);
4464 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4465 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4466 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4467 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4468 goto nla_put_failure
;
4470 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4472 goto nla_put_failure
;
4473 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4474 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4476 goto nla_put_failure
;
4477 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4478 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4479 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4480 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4482 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4483 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4485 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4486 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4488 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4489 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4490 pinfo
->discovery_timeout
)) ||
4491 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4492 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4493 pinfo
->discovery_retries
)))
4494 goto nla_put_failure
;
4496 nla_nest_end(msg
, pinfoattr
);
4498 return genlmsg_end(msg
, hdr
);
4501 genlmsg_cancel(msg
, hdr
);
4505 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4506 struct netlink_callback
*cb
)
4508 struct mpath_info pinfo
;
4509 struct cfg80211_registered_device
*rdev
;
4510 struct wireless_dev
*wdev
;
4512 u8 next_hop
[ETH_ALEN
];
4513 int path_idx
= cb
->args
[2];
4516 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4520 if (!rdev
->ops
->dump_mpath
) {
4525 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4531 err
= rdev_dump_mpath(rdev
, wdev
->netdev
, path_idx
, dst
,
4538 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4539 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4540 wdev
->netdev
, dst
, next_hop
,
4549 cb
->args
[2] = path_idx
;
4552 nl80211_finish_wdev_dump(rdev
);
4556 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4558 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4560 struct net_device
*dev
= info
->user_ptr
[1];
4561 struct mpath_info pinfo
;
4562 struct sk_buff
*msg
;
4564 u8 next_hop
[ETH_ALEN
];
4566 memset(&pinfo
, 0, sizeof(pinfo
));
4568 if (!info
->attrs
[NL80211_ATTR_MAC
])
4571 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4573 if (!rdev
->ops
->get_mpath
)
4576 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4579 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4583 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4587 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4588 dev
, dst
, next_hop
, &pinfo
) < 0) {
4593 return genlmsg_reply(msg
, info
);
4596 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4598 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4599 struct net_device
*dev
= info
->user_ptr
[1];
4601 u8
*next_hop
= NULL
;
4603 if (!info
->attrs
[NL80211_ATTR_MAC
])
4606 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4609 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4610 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4612 if (!rdev
->ops
->change_mpath
)
4615 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4618 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4621 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4623 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4624 struct net_device
*dev
= info
->user_ptr
[1];
4626 u8
*next_hop
= NULL
;
4628 if (!info
->attrs
[NL80211_ATTR_MAC
])
4631 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4634 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4635 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4637 if (!rdev
->ops
->add_mpath
)
4640 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4643 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4646 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4648 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4649 struct net_device
*dev
= info
->user_ptr
[1];
4652 if (info
->attrs
[NL80211_ATTR_MAC
])
4653 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4655 if (!rdev
->ops
->del_mpath
)
4658 return rdev_del_mpath(rdev
, dev
, dst
);
4661 static int nl80211_get_mpp(struct sk_buff
*skb
, struct genl_info
*info
)
4663 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4665 struct net_device
*dev
= info
->user_ptr
[1];
4666 struct mpath_info pinfo
;
4667 struct sk_buff
*msg
;
4671 memset(&pinfo
, 0, sizeof(pinfo
));
4673 if (!info
->attrs
[NL80211_ATTR_MAC
])
4676 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4678 if (!rdev
->ops
->get_mpp
)
4681 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4684 err
= rdev_get_mpp(rdev
, dev
, dst
, mpp
, &pinfo
);
4688 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4692 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4693 dev
, dst
, mpp
, &pinfo
) < 0) {
4698 return genlmsg_reply(msg
, info
);
4701 static int nl80211_dump_mpp(struct sk_buff
*skb
,
4702 struct netlink_callback
*cb
)
4704 struct mpath_info pinfo
;
4705 struct cfg80211_registered_device
*rdev
;
4706 struct wireless_dev
*wdev
;
4709 int path_idx
= cb
->args
[2];
4712 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
4716 if (!rdev
->ops
->dump_mpp
) {
4721 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4727 err
= rdev_dump_mpp(rdev
, wdev
->netdev
, path_idx
, dst
,
4734 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4735 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4736 wdev
->netdev
, dst
, mpp
,
4744 cb
->args
[2] = path_idx
;
4747 nl80211_finish_wdev_dump(rdev
);
4751 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4753 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4754 struct net_device
*dev
= info
->user_ptr
[1];
4755 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4756 struct bss_parameters params
;
4759 memset(¶ms
, 0, sizeof(params
));
4760 /* default to not changing parameters */
4761 params
.use_cts_prot
= -1;
4762 params
.use_short_preamble
= -1;
4763 params
.use_short_slot_time
= -1;
4764 params
.ap_isolate
= -1;
4765 params
.ht_opmode
= -1;
4766 params
.p2p_ctwindow
= -1;
4767 params
.p2p_opp_ps
= -1;
4769 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4770 params
.use_cts_prot
=
4771 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4772 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4773 params
.use_short_preamble
=
4774 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4775 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4776 params
.use_short_slot_time
=
4777 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4778 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4779 params
.basic_rates
=
4780 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4781 params
.basic_rates_len
=
4782 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4784 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4785 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4786 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4788 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4790 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4791 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4793 params
.p2p_ctwindow
=
4794 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4795 if (params
.p2p_ctwindow
< 0)
4797 if (params
.p2p_ctwindow
!= 0 &&
4798 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4802 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4805 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4807 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4810 params
.p2p_opp_ps
= tmp
;
4811 if (params
.p2p_opp_ps
&&
4812 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4816 if (!rdev
->ops
->change_bss
)
4819 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4820 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4824 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4830 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4831 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4832 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4833 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4834 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4835 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4836 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4837 [NL80211_ATTR_DFS_CAC_TIME
] = { .type
= NLA_U32
},
4840 static int parse_reg_rule(struct nlattr
*tb
[],
4841 struct ieee80211_reg_rule
*reg_rule
)
4843 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4844 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4846 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4848 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4850 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4852 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4854 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4857 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4859 freq_range
->start_freq_khz
=
4860 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4861 freq_range
->end_freq_khz
=
4862 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4863 freq_range
->max_bandwidth_khz
=
4864 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4866 power_rule
->max_eirp
=
4867 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4869 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4870 power_rule
->max_antenna_gain
=
4871 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4873 if (tb
[NL80211_ATTR_DFS_CAC_TIME
])
4874 reg_rule
->dfs_cac_ms
=
4875 nla_get_u32(tb
[NL80211_ATTR_DFS_CAC_TIME
]);
4880 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4883 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4886 * You should only get this when cfg80211 hasn't yet initialized
4887 * completely when built-in to the kernel right between the time
4888 * window between nl80211_init() and regulatory_init(), if that is
4891 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4892 return -EINPROGRESS
;
4894 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4895 user_reg_hint_type
=
4896 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4898 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4900 switch (user_reg_hint_type
) {
4901 case NL80211_USER_REG_HINT_USER
:
4902 case NL80211_USER_REG_HINT_CELL_BASE
:
4903 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4906 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4907 return regulatory_hint_user(data
, user_reg_hint_type
);
4908 case NL80211_USER_REG_HINT_INDOOR
:
4909 return regulatory_hint_indoor_user();
4915 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4916 struct genl_info
*info
)
4918 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4919 struct net_device
*dev
= info
->user_ptr
[1];
4920 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4921 struct mesh_config cur_params
;
4924 struct nlattr
*pinfoattr
;
4925 struct sk_buff
*msg
;
4927 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4930 if (!rdev
->ops
->get_mesh_config
)
4934 /* If not connected, get default parameters */
4935 if (!wdev
->mesh_id_len
)
4936 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4938 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4944 /* Draw up a netlink message to send back */
4945 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4948 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4949 NL80211_CMD_GET_MESH_CONFIG
);
4952 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
4954 goto nla_put_failure
;
4955 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4956 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4957 cur_params
.dot11MeshRetryTimeout
) ||
4958 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4959 cur_params
.dot11MeshConfirmTimeout
) ||
4960 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4961 cur_params
.dot11MeshHoldingTimeout
) ||
4962 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4963 cur_params
.dot11MeshMaxPeerLinks
) ||
4964 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
4965 cur_params
.dot11MeshMaxRetries
) ||
4966 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
4967 cur_params
.dot11MeshTTL
) ||
4968 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
4969 cur_params
.element_ttl
) ||
4970 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4971 cur_params
.auto_open_plinks
) ||
4972 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4973 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
4974 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4975 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
4976 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4977 cur_params
.path_refresh_time
) ||
4978 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4979 cur_params
.min_discovery_timeout
) ||
4980 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4981 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
4982 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4983 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
4984 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4985 cur_params
.dot11MeshHWMPperrMinInterval
) ||
4986 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4987 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
4988 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4989 cur_params
.dot11MeshHWMPRootMode
) ||
4990 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4991 cur_params
.dot11MeshHWMPRannInterval
) ||
4992 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4993 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
4994 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
4995 cur_params
.dot11MeshForwarding
) ||
4996 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4997 cur_params
.rssi_threshold
) ||
4998 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
4999 cur_params
.ht_opmode
) ||
5000 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5001 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
5002 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5003 cur_params
.dot11MeshHWMProotInterval
) ||
5004 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5005 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
5006 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
5007 cur_params
.power_mode
) ||
5008 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
5009 cur_params
.dot11MeshAwakeWindowDuration
) ||
5010 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5011 cur_params
.plink_timeout
))
5012 goto nla_put_failure
;
5013 nla_nest_end(msg
, pinfoattr
);
5014 genlmsg_end(msg
, hdr
);
5015 return genlmsg_reply(msg
, info
);
5018 genlmsg_cancel(msg
, hdr
);
5024 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
5025 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
5026 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
5027 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
5028 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
5029 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
5030 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
5031 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
5032 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
5033 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
5034 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
5035 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
5036 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
5037 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
5038 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
5039 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
5040 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
5041 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
5042 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
5043 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
5044 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
5045 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
5046 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
5047 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
5048 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
5049 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
5050 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
5051 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
5052 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
5055 static const struct nla_policy
5056 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
5057 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
5058 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
5059 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
5060 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
5061 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
5062 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
5063 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
5064 .len
= IEEE80211_MAX_DATA_LEN
},
5065 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
5068 static int nl80211_parse_mesh_config(struct genl_info
*info
,
5069 struct mesh_config
*cfg
,
5072 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
5075 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
5078 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
5080 cfg->param = fn(tb[attr]); \
5081 mask |= (1 << (attr - 1)); \
5086 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
5088 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
5089 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
5090 nl80211_meshconf_params_policy
))
5093 /* This makes sure that there aren't more than 32 mesh config
5094 * parameters (otherwise our bitfield scheme would not work.) */
5095 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
5097 /* Fill in the params struct */
5098 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
5099 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
5101 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
5102 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
5104 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
5105 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
5107 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
5108 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
5110 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
5111 mask
, NL80211_MESHCONF_MAX_RETRIES
,
5113 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
5114 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
5115 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
5116 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
5118 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
5119 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
5121 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
5123 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
5125 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
5126 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
5128 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
5129 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
5131 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
5132 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
5134 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
5136 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
5138 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
5140 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
5142 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
5144 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
5146 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5147 dot11MeshHWMPnetDiameterTraversalTime
,
5149 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
5151 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
5152 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
5154 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
5155 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
5157 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5158 dot11MeshGateAnnouncementProtocol
, 0, 1,
5159 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
5161 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
5162 mask
, NL80211_MESHCONF_FORWARDING
,
5164 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
5165 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
5167 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
5168 mask
, NL80211_MESHCONF_HT_OPMODE
,
5170 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
5172 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
5174 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
5175 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
5177 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
5178 dot11MeshHWMPconfirmationInterval
,
5180 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
5182 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
5183 NL80211_MESH_POWER_ACTIVE
,
5184 NL80211_MESH_POWER_MAX
,
5185 mask
, NL80211_MESHCONF_POWER_MODE
,
5187 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
5189 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
5190 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
5191 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
5198 #undef FILL_IN_MESH_PARAM_IF_SET
5201 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
5202 struct mesh_setup
*setup
)
5204 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5205 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
5207 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
5209 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
5210 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
5211 nl80211_mesh_setup_params_policy
))
5214 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
5215 setup
->sync_method
=
5216 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
5217 IEEE80211_SYNC_METHOD_VENDOR
:
5218 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
5220 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
5221 setup
->path_sel_proto
=
5222 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
5223 IEEE80211_PATH_PROTOCOL_VENDOR
:
5224 IEEE80211_PATH_PROTOCOL_HWMP
;
5226 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
5227 setup
->path_metric
=
5228 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
5229 IEEE80211_PATH_METRIC_VENDOR
:
5230 IEEE80211_PATH_METRIC_AIRTIME
;
5233 if (tb
[NL80211_MESH_SETUP_IE
]) {
5234 struct nlattr
*ieattr
=
5235 tb
[NL80211_MESH_SETUP_IE
];
5236 if (!is_valid_ie_attr(ieattr
))
5238 setup
->ie
= nla_data(ieattr
);
5239 setup
->ie_len
= nla_len(ieattr
);
5241 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
5242 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
5244 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
5245 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
5246 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
5247 if (setup
->is_secure
)
5248 setup
->user_mpm
= true;
5250 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
5251 if (!setup
->user_mpm
)
5254 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
5260 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
5261 struct genl_info
*info
)
5263 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5264 struct net_device
*dev
= info
->user_ptr
[1];
5265 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5266 struct mesh_config cfg
;
5270 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5273 if (!rdev
->ops
->update_mesh_config
)
5276 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5281 if (!wdev
->mesh_id_len
)
5285 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5292 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5294 const struct ieee80211_regdomain
*regdom
;
5295 struct sk_buff
*msg
;
5297 struct nlattr
*nl_reg_rules
;
5300 if (!cfg80211_regdomain
)
5303 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5307 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5308 NL80211_CMD_GET_REG
);
5312 if (reg_last_request_cell_base() &&
5313 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5314 NL80211_USER_REG_HINT_CELL_BASE
))
5315 goto nla_put_failure
;
5318 regdom
= rcu_dereference(cfg80211_regdomain
);
5320 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5321 (regdom
->dfs_region
&&
5322 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5323 goto nla_put_failure_rcu
;
5325 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5327 goto nla_put_failure_rcu
;
5329 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5330 struct nlattr
*nl_reg_rule
;
5331 const struct ieee80211_reg_rule
*reg_rule
;
5332 const struct ieee80211_freq_range
*freq_range
;
5333 const struct ieee80211_power_rule
*power_rule
;
5334 unsigned int max_bandwidth_khz
;
5336 reg_rule
= ®dom
->reg_rules
[i
];
5337 freq_range
= ®_rule
->freq_range
;
5338 power_rule
= ®_rule
->power_rule
;
5340 nl_reg_rule
= nla_nest_start(msg
, i
);
5342 goto nla_put_failure_rcu
;
5344 max_bandwidth_khz
= freq_range
->max_bandwidth_khz
;
5345 if (!max_bandwidth_khz
)
5346 max_bandwidth_khz
= reg_get_max_bandwidth(regdom
,
5349 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5351 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5352 freq_range
->start_freq_khz
) ||
5353 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5354 freq_range
->end_freq_khz
) ||
5355 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5356 max_bandwidth_khz
) ||
5357 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5358 power_rule
->max_antenna_gain
) ||
5359 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5360 power_rule
->max_eirp
) ||
5361 nla_put_u32(msg
, NL80211_ATTR_DFS_CAC_TIME
,
5362 reg_rule
->dfs_cac_ms
))
5363 goto nla_put_failure_rcu
;
5365 nla_nest_end(msg
, nl_reg_rule
);
5369 nla_nest_end(msg
, nl_reg_rules
);
5371 genlmsg_end(msg
, hdr
);
5372 return genlmsg_reply(msg
, info
);
5374 nla_put_failure_rcu
:
5377 genlmsg_cancel(msg
, hdr
);
5383 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5385 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5386 struct nlattr
*nl_reg_rule
;
5387 char *alpha2
= NULL
;
5388 int rem_reg_rules
= 0, r
= 0;
5389 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5390 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5391 struct ieee80211_regdomain
*rd
= NULL
;
5393 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5396 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5399 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5401 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5402 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5404 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5407 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5411 if (!reg_is_valid_request(alpha2
))
5414 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5415 num_rules
* sizeof(struct ieee80211_reg_rule
);
5417 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5421 rd
->n_reg_rules
= num_rules
;
5422 rd
->alpha2
[0] = alpha2
[0];
5423 rd
->alpha2
[1] = alpha2
[1];
5426 * Disable DFS master mode if the DFS region was
5427 * not supported or known on this kernel.
5429 if (reg_supported_dfs_region(dfs_region
))
5430 rd
->dfs_region
= dfs_region
;
5432 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5434 r
= nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5435 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5439 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5445 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5452 /* set_regdom took ownership */
5460 static int validate_scan_freqs(struct nlattr
*freqs
)
5462 struct nlattr
*attr1
, *attr2
;
5463 int n_channels
= 0, tmp1
, tmp2
;
5465 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5468 * Some hardware has a limited channel list for
5469 * scanning, and it is pretty much nonsensical
5470 * to scan for a channel twice, so disallow that
5471 * and don't require drivers to check that the
5472 * channel list they get isn't longer than what
5473 * they can scan, as long as they can scan all
5474 * the channels they registered at once.
5476 nla_for_each_nested(attr2
, freqs
, tmp2
)
5477 if (attr1
!= attr2
&&
5478 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5485 static int nl80211_parse_random_mac(struct nlattr
**attrs
,
5486 u8
*mac_addr
, u8
*mac_addr_mask
)
5490 if (!attrs
[NL80211_ATTR_MAC
] && !attrs
[NL80211_ATTR_MAC_MASK
]) {
5491 memset(mac_addr
, 0, ETH_ALEN
);
5492 memset(mac_addr_mask
, 0, ETH_ALEN
);
5494 mac_addr_mask
[0] = 0x3;
5499 /* need both or none */
5500 if (!attrs
[NL80211_ATTR_MAC
] || !attrs
[NL80211_ATTR_MAC_MASK
])
5503 memcpy(mac_addr
, nla_data(attrs
[NL80211_ATTR_MAC
]), ETH_ALEN
);
5504 memcpy(mac_addr_mask
, nla_data(attrs
[NL80211_ATTR_MAC_MASK
]), ETH_ALEN
);
5506 /* don't allow or configure an mcast address */
5507 if (!is_multicast_ether_addr(mac_addr_mask
) ||
5508 is_multicast_ether_addr(mac_addr
))
5512 * allow users to pass a MAC address that has bits set outside
5513 * of the mask, but don't bother drivers with having to deal
5516 for (i
= 0; i
< ETH_ALEN
; i
++)
5517 mac_addr
[i
] &= mac_addr_mask
[i
];
5522 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5524 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5525 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5526 struct cfg80211_scan_request
*request
;
5527 struct nlattr
*attr
;
5528 struct wiphy
*wiphy
;
5529 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5532 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5535 wiphy
= &rdev
->wiphy
;
5537 if (!rdev
->ops
->scan
)
5540 if (rdev
->scan_req
|| rdev
->scan_msg
) {
5545 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5546 n_channels
= validate_scan_freqs(
5547 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5553 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5556 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5557 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5560 if (n_ssids
> wiphy
->max_scan_ssids
) {
5565 if (info
->attrs
[NL80211_ATTR_IE
])
5566 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5570 if (ie_len
> wiphy
->max_scan_ie_len
) {
5575 request
= kzalloc(sizeof(*request
)
5576 + sizeof(*request
->ssids
) * n_ssids
5577 + sizeof(*request
->channels
) * n_channels
5578 + ie_len
, GFP_KERNEL
);
5585 request
->ssids
= (void *)&request
->channels
[n_channels
];
5586 request
->n_ssids
= n_ssids
;
5589 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5591 request
->ie
= (void *)(request
->channels
+ n_channels
);
5595 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5596 /* user specified, bail out if channel not found */
5597 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5598 struct ieee80211_channel
*chan
;
5600 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5607 /* ignore disabled channels */
5608 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5611 request
->channels
[i
] = chan
;
5615 enum ieee80211_band band
;
5618 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5620 if (!wiphy
->bands
[band
])
5622 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5623 struct ieee80211_channel
*chan
;
5625 chan
= &wiphy
->bands
[band
]->channels
[j
];
5627 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5630 request
->channels
[i
] = chan
;
5641 request
->n_channels
= i
;
5644 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5645 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5646 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5650 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5651 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5656 if (info
->attrs
[NL80211_ATTR_IE
]) {
5657 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5658 memcpy((void *)request
->ie
,
5659 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5663 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5664 if (wiphy
->bands
[i
])
5666 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5668 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5669 nla_for_each_nested(attr
,
5670 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5672 enum ieee80211_band band
= nla_type(attr
);
5674 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5679 if (!wiphy
->bands
[band
])
5682 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5685 &request
->rates
[band
]);
5691 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5692 request
->flags
= nla_get_u32(
5693 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5694 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5695 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5700 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
5701 if (!(wiphy
->features
&
5702 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR
)) {
5707 if (wdev
->current_bss
) {
5712 err
= nl80211_parse_random_mac(info
->attrs
,
5714 request
->mac_addr_mask
);
5721 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5723 request
->wdev
= wdev
;
5724 request
->wiphy
= &rdev
->wiphy
;
5725 request
->scan_start
= jiffies
;
5727 rdev
->scan_req
= request
;
5728 err
= rdev_scan(rdev
, request
);
5731 nl80211_send_scan_start(rdev
, wdev
);
5733 dev_hold(wdev
->netdev
);
5736 rdev
->scan_req
= NULL
;
5744 static struct cfg80211_sched_scan_request
*
5745 nl80211_parse_sched_scan(struct wiphy
*wiphy
, struct wireless_dev
*wdev
,
5746 struct nlattr
**attrs
)
5748 struct cfg80211_sched_scan_request
*request
;
5749 struct nlattr
*attr
;
5750 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5752 enum ieee80211_band band
;
5754 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5755 s32 default_match_rssi
= NL80211_SCAN_RSSI_THOLD_OFF
;
5757 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]))
5758 return ERR_PTR(-EINVAL
);
5760 if (!attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5761 return ERR_PTR(-EINVAL
);
5763 interval
= nla_get_u32(attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5765 return ERR_PTR(-EINVAL
);
5767 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5768 n_channels
= validate_scan_freqs(
5769 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5771 return ERR_PTR(-EINVAL
);
5773 n_channels
= ieee80211_get_num_supported_channels(wiphy
);
5776 if (attrs
[NL80211_ATTR_SCAN_SSIDS
])
5777 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
5781 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5782 return ERR_PTR(-EINVAL
);
5785 * First, count the number of 'real' matchsets. Due to an issue with
5786 * the old implementation, matchsets containing only the RSSI attribute
5787 * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default'
5788 * RSSI for all matchsets, rather than their own matchset for reporting
5789 * all APs with a strong RSSI. This is needed to be compatible with
5790 * older userspace that treated a matchset with only the RSSI as the
5791 * global RSSI for all other matchsets - if there are other matchsets.
5793 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5794 nla_for_each_nested(attr
,
5795 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5797 struct nlattr
*rssi
;
5799 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5800 nla_data(attr
), nla_len(attr
),
5801 nl80211_match_policy
);
5803 return ERR_PTR(err
);
5804 /* add other standalone attributes here */
5805 if (tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
]) {
5809 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5811 default_match_rssi
= nla_get_s32(rssi
);
5815 /* However, if there's no other matchset, add the RSSI one */
5816 if (!n_match_sets
&& default_match_rssi
!= NL80211_SCAN_RSSI_THOLD_OFF
)
5819 if (n_match_sets
> wiphy
->max_match_sets
)
5820 return ERR_PTR(-EINVAL
);
5822 if (attrs
[NL80211_ATTR_IE
])
5823 ie_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
5827 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5828 return ERR_PTR(-EINVAL
);
5830 request
= kzalloc(sizeof(*request
)
5831 + sizeof(*request
->ssids
) * n_ssids
5832 + sizeof(*request
->match_sets
) * n_match_sets
5833 + sizeof(*request
->channels
) * n_channels
5834 + ie_len
, GFP_KERNEL
);
5836 return ERR_PTR(-ENOMEM
);
5839 request
->ssids
= (void *)&request
->channels
[n_channels
];
5840 request
->n_ssids
= n_ssids
;
5843 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5845 request
->ie
= (void *)(request
->channels
+ n_channels
);
5850 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
5851 else if (request
->ssids
)
5852 request
->match_sets
=
5853 (void *)(request
->ssids
+ n_ssids
);
5855 request
->match_sets
=
5856 (void *)(request
->channels
+ n_channels
);
5858 request
->n_match_sets
= n_match_sets
;
5861 if (attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5862 /* user specified, bail out if channel not found */
5863 nla_for_each_nested(attr
,
5864 attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
5866 struct ieee80211_channel
*chan
;
5868 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5875 /* ignore disabled channels */
5876 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5879 request
->channels
[i
] = chan
;
5884 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5886 if (!wiphy
->bands
[band
])
5888 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5889 struct ieee80211_channel
*chan
;
5891 chan
= &wiphy
->bands
[band
]->channels
[j
];
5893 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5896 request
->channels
[i
] = chan
;
5907 request
->n_channels
= i
;
5910 if (attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5911 nla_for_each_nested(attr
, attrs
[NL80211_ATTR_SCAN_SSIDS
],
5913 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5917 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5918 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
5925 if (attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5926 nla_for_each_nested(attr
,
5927 attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5929 struct nlattr
*ssid
, *rssi
;
5931 err
= nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5932 nla_data(attr
), nla_len(attr
),
5933 nl80211_match_policy
);
5936 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
5938 if (WARN_ON(i
>= n_match_sets
)) {
5939 /* this indicates a programming error,
5940 * the loop above should have verified
5947 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
5951 memcpy(request
->match_sets
[i
].ssid
.ssid
,
5952 nla_data(ssid
), nla_len(ssid
));
5953 request
->match_sets
[i
].ssid
.ssid_len
=
5955 /* special attribute - old implemenation w/a */
5956 request
->match_sets
[i
].rssi_thold
=
5958 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5960 request
->match_sets
[i
].rssi_thold
=
5966 /* there was no other matchset, so the RSSI one is alone */
5968 request
->match_sets
[0].rssi_thold
= default_match_rssi
;
5970 request
->min_rssi_thold
= INT_MAX
;
5971 for (i
= 0; i
< n_match_sets
; i
++)
5972 request
->min_rssi_thold
=
5973 min(request
->match_sets
[i
].rssi_thold
,
5974 request
->min_rssi_thold
);
5976 request
->min_rssi_thold
= NL80211_SCAN_RSSI_THOLD_OFF
;
5980 request
->ie_len
= ie_len
;
5981 memcpy((void *)request
->ie
,
5982 nla_data(attrs
[NL80211_ATTR_IE
]),
5986 if (attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5987 request
->flags
= nla_get_u32(
5988 attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5989 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5990 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5995 if (request
->flags
& NL80211_SCAN_FLAG_RANDOM_ADDR
) {
5996 u32 flg
= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR
;
5998 if (!wdev
) /* must be net-detect */
5999 flg
= NL80211_FEATURE_ND_RANDOM_MAC_ADDR
;
6001 if (!(wiphy
->features
& flg
)) {
6006 if (wdev
&& wdev
->current_bss
) {
6011 err
= nl80211_parse_random_mac(attrs
, request
->mac_addr
,
6012 request
->mac_addr_mask
);
6018 request
->interval
= interval
;
6019 request
->scan_start
= jiffies
;
6025 return ERR_PTR(err
);
6028 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
6029 struct genl_info
*info
)
6031 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6032 struct net_device
*dev
= info
->user_ptr
[1];
6033 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6036 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6037 !rdev
->ops
->sched_scan_start
)
6040 if (rdev
->sched_scan_req
)
6041 return -EINPROGRESS
;
6043 rdev
->sched_scan_req
= nl80211_parse_sched_scan(&rdev
->wiphy
, wdev
,
6045 err
= PTR_ERR_OR_ZERO(rdev
->sched_scan_req
);
6049 err
= rdev_sched_scan_start(rdev
, dev
, rdev
->sched_scan_req
);
6053 rdev
->sched_scan_req
->dev
= dev
;
6054 rdev
->sched_scan_req
->wiphy
= &rdev
->wiphy
;
6056 nl80211_send_sched_scan(rdev
, dev
,
6057 NL80211_CMD_START_SCHED_SCAN
);
6061 kfree(rdev
->sched_scan_req
);
6063 rdev
->sched_scan_req
= NULL
;
6067 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
6068 struct genl_info
*info
)
6070 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6072 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
6073 !rdev
->ops
->sched_scan_stop
)
6076 return __cfg80211_stop_sched_scan(rdev
, false);
6079 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
6080 struct genl_info
*info
)
6082 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6083 struct net_device
*dev
= info
->user_ptr
[1];
6084 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6085 struct cfg80211_chan_def chandef
;
6086 enum nl80211_dfs_regions dfs_region
;
6087 unsigned int cac_time_ms
;
6090 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
6091 if (dfs_region
== NL80211_DFS_UNSET
)
6094 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
6098 if (netif_carrier_ok(dev
))
6101 if (wdev
->cac_started
)
6104 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
,
6112 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
6115 if (!rdev
->ops
->start_radar_detection
)
6118 cac_time_ms
= cfg80211_chandef_dfs_cac_time(&rdev
->wiphy
, &chandef
);
6119 if (WARN_ON(!cac_time_ms
))
6120 cac_time_ms
= IEEE80211_DFS_MIN_CAC_TIME_MS
;
6122 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
,
6125 wdev
->chandef
= chandef
;
6126 wdev
->cac_started
= true;
6127 wdev
->cac_start_time
= jiffies
;
6128 wdev
->cac_time_ms
= cac_time_ms
;
6133 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
6135 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6136 struct net_device
*dev
= info
->user_ptr
[1];
6137 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6138 struct cfg80211_csa_settings params
;
6139 /* csa_attrs is defined static to avoid waste of stack size - this
6140 * function is called under RTNL lock, so this should not be a problem.
6142 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
6144 bool need_new_beacon
= false;
6148 if (!rdev
->ops
->channel_switch
||
6149 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
6152 switch (dev
->ieee80211_ptr
->iftype
) {
6153 case NL80211_IFTYPE_AP
:
6154 case NL80211_IFTYPE_P2P_GO
:
6155 need_new_beacon
= true;
6157 /* useless if AP is not running */
6158 if (!wdev
->beacon_interval
)
6161 case NL80211_IFTYPE_ADHOC
:
6162 if (!wdev
->ssid_len
)
6165 case NL80211_IFTYPE_MESH_POINT
:
6166 if (!wdev
->mesh_id_len
)
6173 memset(¶ms
, 0, sizeof(params
));
6175 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
6176 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
6179 /* only important for AP, IBSS and mesh create IEs internally */
6180 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
6183 /* Even though the attribute is u32, the specification says
6184 * u8, so let's make sure we don't overflow.
6186 cs_count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
6190 params
.count
= cs_count
;
6192 if (!need_new_beacon
)
6195 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
6199 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
6200 info
->attrs
[NL80211_ATTR_CSA_IES
],
6205 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
6209 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
6212 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6213 if (!len
|| (len
% sizeof(u16
)))
6216 params
.n_counter_offsets_beacon
= len
/ sizeof(u16
);
6217 if (rdev
->wiphy
.max_num_csa_counters
&&
6218 (params
.n_counter_offsets_beacon
>
6219 rdev
->wiphy
.max_num_csa_counters
))
6222 params
.counter_offsets_beacon
=
6223 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
6225 /* sanity checks - counters should fit and be the same */
6226 for (i
= 0; i
< params
.n_counter_offsets_beacon
; i
++) {
6227 u16 offset
= params
.counter_offsets_beacon
[i
];
6229 if (offset
>= params
.beacon_csa
.tail_len
)
6232 if (params
.beacon_csa
.tail
[offset
] != params
.count
)
6236 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
6237 len
= nla_len(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6238 if (!len
|| (len
% sizeof(u16
)))
6241 params
.n_counter_offsets_presp
= len
/ sizeof(u16
);
6242 if (rdev
->wiphy
.max_num_csa_counters
&&
6243 (params
.n_counter_offsets_beacon
>
6244 rdev
->wiphy
.max_num_csa_counters
))
6247 params
.counter_offsets_presp
=
6248 nla_data(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
6250 /* sanity checks - counters should fit and be the same */
6251 for (i
= 0; i
< params
.n_counter_offsets_presp
; i
++) {
6252 u16 offset
= params
.counter_offsets_presp
[i
];
6254 if (offset
>= params
.beacon_csa
.probe_resp_len
)
6257 if (params
.beacon_csa
.probe_resp
[offset
] !=
6264 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
6268 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
,
6272 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
6279 params
.radar_required
= true;
6281 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
6282 params
.block_tx
= true;
6285 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
6291 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
6293 struct cfg80211_registered_device
*rdev
,
6294 struct wireless_dev
*wdev
,
6295 struct cfg80211_internal_bss
*intbss
)
6297 struct cfg80211_bss
*res
= &intbss
->pub
;
6298 const struct cfg80211_bss_ies
*ies
;
6302 ASSERT_WDEV_LOCK(wdev
);
6304 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
6305 NL80211_CMD_NEW_SCAN_RESULTS
);
6309 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
6311 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
6312 goto nla_put_failure
;
6314 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
6315 goto nla_put_failure
;
6316 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
6317 goto nla_put_failure
;
6319 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
6321 goto nla_put_failure
;
6322 if ((!is_zero_ether_addr(res
->bssid
) &&
6323 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
6324 goto nla_put_failure
;
6327 /* indicate whether we have probe response data or not */
6328 if (rcu_access_pointer(res
->proberesp_ies
) &&
6329 nla_put_flag(msg
, NL80211_BSS_PRESP_DATA
))
6330 goto fail_unlock_rcu
;
6332 /* this pointer prefers to be pointed to probe response data
6333 * but is always valid
6335 ies
= rcu_dereference(res
->ies
);
6337 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
6338 goto fail_unlock_rcu
;
6339 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
6340 ies
->len
, ies
->data
))
6341 goto fail_unlock_rcu
;
6344 /* and this pointer is always (unless driver didn't know) beacon data */
6345 ies
= rcu_dereference(res
->beacon_ies
);
6346 if (ies
&& ies
->from_beacon
) {
6347 if (nla_put_u64(msg
, NL80211_BSS_BEACON_TSF
, ies
->tsf
))
6348 goto fail_unlock_rcu
;
6349 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
6350 ies
->len
, ies
->data
))
6351 goto fail_unlock_rcu
;
6355 if (res
->beacon_interval
&&
6356 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
6357 goto nla_put_failure
;
6358 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
6359 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
6360 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
6361 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
6362 jiffies_to_msecs(jiffies
- intbss
->ts
)))
6363 goto nla_put_failure
;
6365 switch (rdev
->wiphy
.signal_type
) {
6366 case CFG80211_SIGNAL_TYPE_MBM
:
6367 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
6368 goto nla_put_failure
;
6370 case CFG80211_SIGNAL_TYPE_UNSPEC
:
6371 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
6372 goto nla_put_failure
;
6378 switch (wdev
->iftype
) {
6379 case NL80211_IFTYPE_P2P_CLIENT
:
6380 case NL80211_IFTYPE_STATION
:
6381 if (intbss
== wdev
->current_bss
&&
6382 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6383 NL80211_BSS_STATUS_ASSOCIATED
))
6384 goto nla_put_failure
;
6386 case NL80211_IFTYPE_ADHOC
:
6387 if (intbss
== wdev
->current_bss
&&
6388 nla_put_u32(msg
, NL80211_BSS_STATUS
,
6389 NL80211_BSS_STATUS_IBSS_JOINED
))
6390 goto nla_put_failure
;
6396 nla_nest_end(msg
, bss
);
6398 return genlmsg_end(msg
, hdr
);
6403 genlmsg_cancel(msg
, hdr
);
6407 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
6409 struct cfg80211_registered_device
*rdev
;
6410 struct cfg80211_internal_bss
*scan
;
6411 struct wireless_dev
*wdev
;
6412 int start
= cb
->args
[2], idx
= 0;
6415 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6420 spin_lock_bh(&rdev
->bss_lock
);
6421 cfg80211_bss_expire(rdev
);
6423 cb
->seq
= rdev
->bss_generation
;
6425 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
6428 if (nl80211_send_bss(skb
, cb
,
6429 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6430 rdev
, wdev
, scan
) < 0) {
6436 spin_unlock_bh(&rdev
->bss_lock
);
6440 nl80211_finish_wdev_dump(rdev
);
6445 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
6446 int flags
, struct net_device
*dev
,
6447 struct survey_info
*survey
)
6450 struct nlattr
*infoattr
;
6452 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
6453 NL80211_CMD_NEW_SURVEY_RESULTS
);
6457 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6458 goto nla_put_failure
;
6460 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6462 goto nla_put_failure
;
6464 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6465 survey
->channel
->center_freq
))
6466 goto nla_put_failure
;
6468 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6469 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6470 goto nla_put_failure
;
6471 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6472 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6473 goto nla_put_failure
;
6474 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
6475 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
6476 survey
->channel_time
))
6477 goto nla_put_failure
;
6478 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
6479 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
6480 survey
->channel_time_busy
))
6481 goto nla_put_failure
;
6482 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
6483 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
6484 survey
->channel_time_ext_busy
))
6485 goto nla_put_failure
;
6486 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
6487 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
6488 survey
->channel_time_rx
))
6489 goto nla_put_failure
;
6490 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
6491 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
6492 survey
->channel_time_tx
))
6493 goto nla_put_failure
;
6495 nla_nest_end(msg
, infoattr
);
6497 return genlmsg_end(msg
, hdr
);
6500 genlmsg_cancel(msg
, hdr
);
6504 static int nl80211_dump_survey(struct sk_buff
*skb
,
6505 struct netlink_callback
*cb
)
6507 struct survey_info survey
;
6508 struct cfg80211_registered_device
*rdev
;
6509 struct wireless_dev
*wdev
;
6510 int survey_idx
= cb
->args
[2];
6513 res
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
6517 if (!wdev
->netdev
) {
6522 if (!rdev
->ops
->dump_survey
) {
6528 struct ieee80211_channel
*chan
;
6530 res
= rdev_dump_survey(rdev
, wdev
->netdev
, survey_idx
, &survey
);
6536 /* Survey without a channel doesn't make sense */
6537 if (!survey
.channel
) {
6542 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6543 survey
.channel
->center_freq
);
6544 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
6549 if (nl80211_send_survey(skb
,
6550 NETLINK_CB(cb
->skb
).portid
,
6551 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6552 wdev
->netdev
, &survey
) < 0)
6558 cb
->args
[2] = survey_idx
;
6561 nl80211_finish_wdev_dump(rdev
);
6565 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6567 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6568 NL80211_WPA_VERSION_2
));
6571 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6573 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6574 struct net_device
*dev
= info
->user_ptr
[1];
6575 struct ieee80211_channel
*chan
;
6576 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6577 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6578 enum nl80211_auth_type auth_type
;
6579 struct key_parse key
;
6580 bool local_state_change
;
6582 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6585 if (!info
->attrs
[NL80211_ATTR_MAC
])
6588 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6591 if (!info
->attrs
[NL80211_ATTR_SSID
])
6594 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6597 err
= nl80211_parse_key(info
, &key
);
6602 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6604 if (!key
.p
.key
|| !key
.p
.key_len
)
6606 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6607 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6608 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6609 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6621 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6622 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6631 if (!rdev
->ops
->auth
)
6634 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6635 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6638 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6639 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6640 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6644 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6645 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6647 if (info
->attrs
[NL80211_ATTR_IE
]) {
6648 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6649 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6652 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6653 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6656 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6657 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6660 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6661 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6663 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6664 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6665 /* need to include at least Auth Transaction and Status Code */
6666 if (sae_data_len
< 4)
6670 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6673 * Since we no longer track auth state, ignore
6674 * requests to only change local state.
6676 if (local_state_change
)
6679 wdev_lock(dev
->ieee80211_ptr
);
6680 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6681 ssid
, ssid_len
, ie
, ie_len
,
6682 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6683 sae_data
, sae_data_len
);
6684 wdev_unlock(dev
->ieee80211_ptr
);
6688 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6689 struct genl_info
*info
,
6690 struct cfg80211_crypto_settings
*settings
,
6693 memset(settings
, 0, sizeof(*settings
));
6695 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6697 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6699 proto
= nla_get_u16(
6700 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6701 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6702 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6705 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6706 settings
->control_port_no_encrypt
= true;
6708 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6710 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6714 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6715 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6716 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6718 if (len
% sizeof(u32
))
6721 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6724 memcpy(settings
->ciphers_pairwise
, data
, len
);
6726 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6727 if (!cfg80211_supported_cipher_suite(
6729 settings
->ciphers_pairwise
[i
]))
6733 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6734 settings
->cipher_group
=
6735 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6736 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6737 settings
->cipher_group
))
6741 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6742 settings
->wpa_versions
=
6743 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6744 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6748 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6752 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6753 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6754 settings
->n_akm_suites
= len
/ sizeof(u32
);
6756 if (len
% sizeof(u32
))
6759 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6762 memcpy(settings
->akm_suites
, data
, len
);
6768 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6770 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6771 struct net_device
*dev
= info
->user_ptr
[1];
6772 struct ieee80211_channel
*chan
;
6773 struct cfg80211_assoc_request req
= {};
6774 const u8
*bssid
, *ssid
;
6775 int err
, ssid_len
= 0;
6777 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6780 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6781 !info
->attrs
[NL80211_ATTR_SSID
] ||
6782 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6785 if (!rdev
->ops
->assoc
)
6788 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6789 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6792 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6794 chan
= nl80211_get_valid_chan(&rdev
->wiphy
,
6795 info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6799 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6800 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6802 if (info
->attrs
[NL80211_ATTR_IE
]) {
6803 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6804 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6807 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6808 enum nl80211_mfp mfp
=
6809 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6810 if (mfp
== NL80211_MFP_REQUIRED
)
6812 else if (mfp
!= NL80211_MFP_NO
)
6816 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6817 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6819 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6820 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6822 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6823 memcpy(&req
.ht_capa_mask
,
6824 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6825 sizeof(req
.ht_capa_mask
));
6827 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6828 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6830 memcpy(&req
.ht_capa
,
6831 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6832 sizeof(req
.ht_capa
));
6835 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6836 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6838 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6839 memcpy(&req
.vht_capa_mask
,
6840 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6841 sizeof(req
.vht_capa_mask
));
6843 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
6844 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6846 memcpy(&req
.vht_capa
,
6847 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
6848 sizeof(req
.vht_capa
));
6851 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
6852 if (!(rdev
->wiphy
.features
&
6853 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
6854 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
6856 req
.flags
|= ASSOC_REQ_USE_RRM
;
6859 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
6861 wdev_lock(dev
->ieee80211_ptr
);
6862 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
6863 ssid
, ssid_len
, &req
);
6864 wdev_unlock(dev
->ieee80211_ptr
);
6870 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6872 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6873 struct net_device
*dev
= info
->user_ptr
[1];
6874 const u8
*ie
= NULL
, *bssid
;
6875 int ie_len
= 0, err
;
6877 bool local_state_change
;
6879 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6882 if (!info
->attrs
[NL80211_ATTR_MAC
])
6885 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6888 if (!rdev
->ops
->deauth
)
6891 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6892 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6895 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6897 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6898 if (reason_code
== 0) {
6899 /* Reason Code 0 is reserved */
6903 if (info
->attrs
[NL80211_ATTR_IE
]) {
6904 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6905 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6908 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6910 wdev_lock(dev
->ieee80211_ptr
);
6911 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6912 local_state_change
);
6913 wdev_unlock(dev
->ieee80211_ptr
);
6917 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
6919 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6920 struct net_device
*dev
= info
->user_ptr
[1];
6921 const u8
*ie
= NULL
, *bssid
;
6922 int ie_len
= 0, err
;
6924 bool local_state_change
;
6926 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6929 if (!info
->attrs
[NL80211_ATTR_MAC
])
6932 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6935 if (!rdev
->ops
->disassoc
)
6938 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6939 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6942 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6944 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6945 if (reason_code
== 0) {
6946 /* Reason Code 0 is reserved */
6950 if (info
->attrs
[NL80211_ATTR_IE
]) {
6951 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6952 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6955 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6957 wdev_lock(dev
->ieee80211_ptr
);
6958 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6959 local_state_change
);
6960 wdev_unlock(dev
->ieee80211_ptr
);
6965 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
6966 int mcast_rate
[IEEE80211_NUM_BANDS
],
6969 struct wiphy
*wiphy
= &rdev
->wiphy
;
6973 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6974 struct ieee80211_supported_band
*sband
;
6976 sband
= wiphy
->bands
[band
];
6980 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
6981 if (sband
->bitrates
[i
].bitrate
== rateval
) {
6982 mcast_rate
[band
] = i
+ 1;
6992 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6994 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6995 struct net_device
*dev
= info
->user_ptr
[1];
6996 struct cfg80211_ibss_params ibss
;
6997 struct wiphy
*wiphy
;
6998 struct cfg80211_cached_keys
*connkeys
= NULL
;
7001 memset(&ibss
, 0, sizeof(ibss
));
7003 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7006 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7007 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7010 ibss
.beacon_interval
= 100;
7012 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7013 ibss
.beacon_interval
=
7014 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7015 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
7019 if (!rdev
->ops
->join_ibss
)
7022 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7025 wiphy
= &rdev
->wiphy
;
7027 if (info
->attrs
[NL80211_ATTR_MAC
]) {
7028 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7030 if (!is_valid_ether_addr(ibss
.bssid
))
7033 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7034 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7036 if (info
->attrs
[NL80211_ATTR_IE
]) {
7037 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7038 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7041 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
7045 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
,
7046 NL80211_IFTYPE_ADHOC
))
7049 switch (ibss
.chandef
.width
) {
7050 case NL80211_CHAN_WIDTH_5
:
7051 case NL80211_CHAN_WIDTH_10
:
7052 case NL80211_CHAN_WIDTH_20_NOHT
:
7054 case NL80211_CHAN_WIDTH_20
:
7055 case NL80211_CHAN_WIDTH_40
:
7056 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
7062 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
7063 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
7065 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7067 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7069 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7070 struct ieee80211_supported_band
*sband
=
7071 wiphy
->bands
[ibss
.chandef
.chan
->band
];
7073 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7079 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7080 memcpy(&ibss
.ht_capa_mask
,
7081 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7082 sizeof(ibss
.ht_capa_mask
));
7084 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7085 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7087 memcpy(&ibss
.ht_capa
,
7088 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7089 sizeof(ibss
.ht_capa
));
7092 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7093 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
7094 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7097 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7100 connkeys
= nl80211_parse_connkeys(rdev
,
7101 info
->attrs
[NL80211_ATTR_KEYS
],
7103 if (IS_ERR(connkeys
))
7104 return PTR_ERR(connkeys
);
7106 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
7114 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
7116 ibss
.userspace_handles_dfs
=
7117 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
7119 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
7125 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
7127 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7128 struct net_device
*dev
= info
->user_ptr
[1];
7130 if (!rdev
->ops
->leave_ibss
)
7133 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
7136 return cfg80211_leave_ibss(rdev
, dev
, false);
7139 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
7141 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7142 struct net_device
*dev
= info
->user_ptr
[1];
7143 int mcast_rate
[IEEE80211_NUM_BANDS
];
7147 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
7148 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
7151 if (!rdev
->ops
->set_mcast_rate
)
7154 memset(mcast_rate
, 0, sizeof(mcast_rate
));
7156 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
7159 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
7160 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
7163 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
7168 static struct sk_buff
*
7169 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
7170 int approxlen
, u32 portid
, u32 seq
,
7171 enum nl80211_commands cmd
,
7172 enum nl80211_attrs attr
,
7173 const struct nl80211_vendor_cmd_info
*info
,
7176 struct sk_buff
*skb
;
7178 struct nlattr
*data
;
7180 skb
= nlmsg_new(approxlen
+ 100, gfp
);
7184 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
7190 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
7191 goto nla_put_failure
;
7194 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_ID
,
7196 goto nla_put_failure
;
7197 if (nla_put_u32(skb
, NL80211_ATTR_VENDOR_SUBCMD
,
7199 goto nla_put_failure
;
7202 data
= nla_nest_start(skb
, attr
);
7204 ((void **)skb
->cb
)[0] = rdev
;
7205 ((void **)skb
->cb
)[1] = hdr
;
7206 ((void **)skb
->cb
)[2] = data
;
7215 struct sk_buff
*__cfg80211_alloc_event_skb(struct wiphy
*wiphy
,
7216 enum nl80211_commands cmd
,
7217 enum nl80211_attrs attr
,
7218 int vendor_event_idx
,
7219 int approxlen
, gfp_t gfp
)
7221 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
7222 const struct nl80211_vendor_cmd_info
*info
;
7225 case NL80211_CMD_TESTMODE
:
7226 if (WARN_ON(vendor_event_idx
!= -1))
7230 case NL80211_CMD_VENDOR
:
7231 if (WARN_ON(vendor_event_idx
< 0 ||
7232 vendor_event_idx
>= wiphy
->n_vendor_events
))
7234 info
= &wiphy
->vendor_events
[vendor_event_idx
];
7241 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
, 0, 0,
7242 cmd
, attr
, info
, gfp
);
7244 EXPORT_SYMBOL(__cfg80211_alloc_event_skb
);
7246 void __cfg80211_send_event_skb(struct sk_buff
*skb
, gfp_t gfp
)
7248 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
7249 void *hdr
= ((void **)skb
->cb
)[1];
7250 struct nlattr
*data
= ((void **)skb
->cb
)[2];
7251 enum nl80211_multicast_groups mcgrp
= NL80211_MCGRP_TESTMODE
;
7253 /* clear CB data for netlink core to own from now on */
7254 memset(skb
->cb
, 0, sizeof(skb
->cb
));
7256 nla_nest_end(skb
, data
);
7257 genlmsg_end(skb
, hdr
);
7259 if (data
->nla_type
== NL80211_ATTR_VENDOR_DATA
)
7260 mcgrp
= NL80211_MCGRP_VENDOR
;
7262 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), skb
, 0,
7265 EXPORT_SYMBOL(__cfg80211_send_event_skb
);
7267 #ifdef CONFIG_NL80211_TESTMODE
7268 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
7270 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7271 struct wireless_dev
*wdev
=
7272 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
7275 if (!rdev
->ops
->testmode_cmd
)
7279 err
= PTR_ERR(wdev
);
7283 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
7287 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
7290 rdev
->cur_cmd_info
= info
;
7291 err
= rdev_testmode_cmd(rdev
, wdev
,
7292 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
7293 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
7294 rdev
->cur_cmd_info
= NULL
;
7299 static int nl80211_testmode_dump(struct sk_buff
*skb
,
7300 struct netlink_callback
*cb
)
7302 struct cfg80211_registered_device
*rdev
;
7312 * 0 is a valid index, but not valid for args[0],
7313 * so we need to offset by 1.
7315 phy_idx
= cb
->args
[0] - 1;
7317 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
7318 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
7323 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
7324 nl80211_fam
.attrbuf
);
7326 err
= PTR_ERR(rdev
);
7329 phy_idx
= rdev
->wiphy_idx
;
7332 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
7334 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
7338 data
= nla_data((void *)cb
->args
[1]);
7339 data_len
= nla_len((void *)cb
->args
[1]);
7342 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
7348 if (!rdev
->ops
->testmode_dump
) {
7354 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
7355 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
7356 NL80211_CMD_TESTMODE
);
7357 struct nlattr
*tmdata
;
7362 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
7363 genlmsg_cancel(skb
, hdr
);
7367 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
7369 genlmsg_cancel(skb
, hdr
);
7372 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
7373 nla_nest_end(skb
, tmdata
);
7375 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
7376 genlmsg_cancel(skb
, hdr
);
7379 genlmsg_cancel(skb
, hdr
);
7383 genlmsg_end(skb
, hdr
);
7388 cb
->args
[0] = phy_idx
+ 1;
7395 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
7397 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7398 struct net_device
*dev
= info
->user_ptr
[1];
7399 struct cfg80211_connect_params connect
;
7400 struct wiphy
*wiphy
;
7401 struct cfg80211_cached_keys
*connkeys
= NULL
;
7404 memset(&connect
, 0, sizeof(connect
));
7406 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
7409 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
7410 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
7413 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
7415 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
7416 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
7417 NL80211_CMD_CONNECT
))
7420 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
7422 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
7424 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
7425 NL80211_MAX_NR_CIPHER_SUITES
);
7429 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7430 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7433 wiphy
= &rdev
->wiphy
;
7435 connect
.bg_scan_period
= -1;
7436 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
7437 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
7438 connect
.bg_scan_period
=
7439 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
7442 if (info
->attrs
[NL80211_ATTR_MAC
])
7443 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7444 else if (info
->attrs
[NL80211_ATTR_MAC_HINT
])
7445 connect
.bssid_hint
=
7446 nla_data(info
->attrs
[NL80211_ATTR_MAC_HINT
]);
7447 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
7448 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
7450 if (info
->attrs
[NL80211_ATTR_IE
]) {
7451 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
7452 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
7455 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
7456 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
7457 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
7458 connect
.mfp
!= NL80211_MFP_NO
)
7461 connect
.mfp
= NL80211_MFP_NO
;
7464 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7465 connect
.channel
= nl80211_get_valid_chan(
7466 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
7467 if (!connect
.channel
)
7469 } else if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]) {
7470 connect
.channel_hint
= nl80211_get_valid_chan(
7471 wiphy
, info
->attrs
[NL80211_ATTR_WIPHY_FREQ_HINT
]);
7472 if (!connect
.channel_hint
)
7476 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
7477 connkeys
= nl80211_parse_connkeys(rdev
,
7478 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
7479 if (IS_ERR(connkeys
))
7480 return PTR_ERR(connkeys
);
7483 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
7484 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
7486 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
7487 memcpy(&connect
.ht_capa_mask
,
7488 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
7489 sizeof(connect
.ht_capa_mask
));
7491 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
7492 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7496 memcpy(&connect
.ht_capa
,
7497 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7498 sizeof(connect
.ht_capa
));
7501 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7502 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7504 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7505 memcpy(&connect
.vht_capa_mask
,
7506 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7507 sizeof(connect
.vht_capa_mask
));
7509 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7510 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7514 memcpy(&connect
.vht_capa
,
7515 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7516 sizeof(connect
.vht_capa
));
7519 if (nla_get_flag(info
->attrs
[NL80211_ATTR_USE_RRM
])) {
7520 if (!(rdev
->wiphy
.features
&
7521 NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES
) ||
7522 !(rdev
->wiphy
.features
& NL80211_FEATURE_QUIET
))
7524 connect
.flags
|= ASSOC_REQ_USE_RRM
;
7527 wdev_lock(dev
->ieee80211_ptr
);
7528 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7529 wdev_unlock(dev
->ieee80211_ptr
);
7535 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7537 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7538 struct net_device
*dev
= info
->user_ptr
[1];
7542 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7543 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7545 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7550 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7551 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7554 wdev_lock(dev
->ieee80211_ptr
);
7555 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7556 wdev_unlock(dev
->ieee80211_ptr
);
7560 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7562 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7567 if (!info
->attrs
[NL80211_ATTR_PID
])
7570 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7572 net
= get_net_ns_by_pid(pid
);
7574 return PTR_ERR(net
);
7578 /* check if anything to do */
7579 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7580 err
= cfg80211_switch_netns(rdev
, net
);
7586 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7588 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7589 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7590 struct cfg80211_pmksa
*pmksa
) = NULL
;
7591 struct net_device
*dev
= info
->user_ptr
[1];
7592 struct cfg80211_pmksa pmksa
;
7594 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7596 if (!info
->attrs
[NL80211_ATTR_MAC
])
7599 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7602 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7603 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7605 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7606 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7609 switch (info
->genlhdr
->cmd
) {
7610 case NL80211_CMD_SET_PMKSA
:
7611 rdev_ops
= rdev
->ops
->set_pmksa
;
7613 case NL80211_CMD_DEL_PMKSA
:
7614 rdev_ops
= rdev
->ops
->del_pmksa
;
7624 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7627 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7629 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7630 struct net_device
*dev
= info
->user_ptr
[1];
7632 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7633 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7636 if (!rdev
->ops
->flush_pmksa
)
7639 return rdev_flush_pmksa(rdev
, dev
);
7642 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7644 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7645 struct net_device
*dev
= info
->user_ptr
[1];
7646 u8 action_code
, dialog_token
;
7647 u32 peer_capability
= 0;
7652 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7653 !rdev
->ops
->tdls_mgmt
)
7656 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7657 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7658 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7659 !info
->attrs
[NL80211_ATTR_IE
] ||
7660 !info
->attrs
[NL80211_ATTR_MAC
])
7663 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7664 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7665 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7666 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7667 initiator
= nla_get_flag(info
->attrs
[NL80211_ATTR_TDLS_INITIATOR
]);
7668 if (info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
])
7670 nla_get_u32(info
->attrs
[NL80211_ATTR_TDLS_PEER_CAPABILITY
]);
7672 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7673 dialog_token
, status_code
, peer_capability
,
7675 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7676 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7679 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7681 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7682 struct net_device
*dev
= info
->user_ptr
[1];
7683 enum nl80211_tdls_operation operation
;
7686 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7687 !rdev
->ops
->tdls_oper
)
7690 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7691 !info
->attrs
[NL80211_ATTR_MAC
])
7694 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7695 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7697 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7700 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7701 struct genl_info
*info
)
7703 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7704 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7705 struct cfg80211_chan_def chandef
;
7706 struct sk_buff
*msg
;
7712 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7713 !info
->attrs
[NL80211_ATTR_DURATION
])
7716 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7718 if (!rdev
->ops
->remain_on_channel
||
7719 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7723 * We should be on that channel for at least a minimum amount of
7724 * time (10ms) but no longer than the driver supports.
7726 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7727 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7730 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7734 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7738 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7739 NL80211_CMD_REMAIN_ON_CHANNEL
);
7745 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7751 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7752 goto nla_put_failure
;
7754 genlmsg_end(msg
, hdr
);
7756 return genlmsg_reply(msg
, info
);
7765 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7766 struct genl_info
*info
)
7768 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7769 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7772 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7775 if (!rdev
->ops
->cancel_remain_on_channel
)
7778 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7780 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7783 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7784 u8
*rates
, u8 rates_len
)
7789 for (i
= 0; i
< rates_len
; i
++) {
7790 int rate
= (rates
[i
] & 0x7f) * 5;
7792 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7793 struct ieee80211_rate
*srate
=
7794 &sband
->bitrates
[ridx
];
7795 if (rate
== srate
->bitrate
) {
7800 if (ridx
== sband
->n_bitrates
)
7801 return 0; /* rate not found */
7807 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7808 u8
*rates
, u8 rates_len
,
7809 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7813 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7815 for (i
= 0; i
< rates_len
; i
++) {
7818 ridx
= rates
[i
] / 8;
7819 rbit
= BIT(rates
[i
] % 8);
7821 /* check validity */
7822 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7825 /* check availability */
7826 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
7835 static u16
vht_mcs_map_to_mcs_mask(u8 vht_mcs_map
)
7839 switch (vht_mcs_map
) {
7840 case IEEE80211_VHT_MCS_NOT_SUPPORTED
:
7842 case IEEE80211_VHT_MCS_SUPPORT_0_7
:
7845 case IEEE80211_VHT_MCS_SUPPORT_0_8
:
7848 case IEEE80211_VHT_MCS_SUPPORT_0_9
:
7858 static void vht_build_mcs_mask(u16 vht_mcs_map
,
7859 u16 vht_mcs_mask
[NL80211_VHT_NSS_MAX
])
7863 for (nss
= 0; nss
< NL80211_VHT_NSS_MAX
; nss
++) {
7864 vht_mcs_mask
[nss
] = vht_mcs_map_to_mcs_mask(vht_mcs_map
& 0x03);
7869 static bool vht_set_mcs_mask(struct ieee80211_supported_band
*sband
,
7870 struct nl80211_txrate_vht
*txrate
,
7871 u16 mcs
[NL80211_VHT_NSS_MAX
])
7873 u16 tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7874 u16 tx_mcs_mask
[NL80211_VHT_NSS_MAX
] = {};
7877 if (!sband
->vht_cap
.vht_supported
)
7880 memset(mcs
, 0, sizeof(u16
) * NL80211_VHT_NSS_MAX
);
7882 /* Build vht_mcs_mask from VHT capabilities */
7883 vht_build_mcs_mask(tx_mcs_map
, tx_mcs_mask
);
7885 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++) {
7886 if ((tx_mcs_mask
[i
] & txrate
->mcs
[i
]) == txrate
->mcs
[i
])
7887 mcs
[i
] = txrate
->mcs
[i
];
7895 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
7896 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
7897 .len
= NL80211_MAX_SUPP_RATES
},
7898 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
7899 .len
= NL80211_MAX_SUPP_HT_RATES
},
7900 [NL80211_TXRATE_VHT
] = { .len
= sizeof(struct nl80211_txrate_vht
)},
7901 [NL80211_TXRATE_GI
] = { .type
= NLA_U8
},
7904 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
7905 struct genl_info
*info
)
7907 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
7908 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7909 struct cfg80211_bitrate_mask mask
;
7911 struct net_device
*dev
= info
->user_ptr
[1];
7912 struct nlattr
*tx_rates
;
7913 struct ieee80211_supported_band
*sband
;
7916 if (!rdev
->ops
->set_bitrate_mask
)
7919 memset(&mask
, 0, sizeof(mask
));
7920 /* Default to all rates enabled */
7921 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
7922 sband
= rdev
->wiphy
.bands
[i
];
7927 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
7928 memcpy(mask
.control
[i
].ht_mcs
,
7929 sband
->ht_cap
.mcs
.rx_mask
,
7930 sizeof(mask
.control
[i
].ht_mcs
));
7932 if (!sband
->vht_cap
.vht_supported
)
7935 vht_tx_mcs_map
= le16_to_cpu(sband
->vht_cap
.vht_mcs
.tx_mcs_map
);
7936 vht_build_mcs_mask(vht_tx_mcs_map
, mask
.control
[i
].vht_mcs
);
7939 /* if no rates are given set it back to the defaults */
7940 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
7944 * The nested attribute uses enum nl80211_band as the index. This maps
7945 * directly to the enum ieee80211_band values used in cfg80211.
7947 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
7948 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
) {
7949 enum ieee80211_band band
= nla_type(tx_rates
);
7952 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
7954 sband
= rdev
->wiphy
.bands
[band
];
7957 err
= nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
7958 nla_len(tx_rates
), nl80211_txattr_policy
);
7961 if (tb
[NL80211_TXRATE_LEGACY
]) {
7962 mask
.control
[band
].legacy
= rateset_to_mask(
7964 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
7965 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
7966 if ((mask
.control
[band
].legacy
== 0) &&
7967 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
7970 if (tb
[NL80211_TXRATE_HT
]) {
7971 if (!ht_rateset_to_mask(
7973 nla_data(tb
[NL80211_TXRATE_HT
]),
7974 nla_len(tb
[NL80211_TXRATE_HT
]),
7975 mask
.control
[band
].ht_mcs
))
7978 if (tb
[NL80211_TXRATE_VHT
]) {
7979 if (!vht_set_mcs_mask(
7981 nla_data(tb
[NL80211_TXRATE_VHT
]),
7982 mask
.control
[band
].vht_mcs
))
7985 if (tb
[NL80211_TXRATE_GI
]) {
7986 mask
.control
[band
].gi
=
7987 nla_get_u8(tb
[NL80211_TXRATE_GI
]);
7988 if (mask
.control
[band
].gi
> NL80211_TXRATE_FORCE_LGI
)
7992 if (mask
.control
[band
].legacy
== 0) {
7993 /* don't allow empty legacy rates if HT or VHT
7994 * are not even supported.
7996 if (!(rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
||
7997 rdev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
))
8000 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
8001 if (mask
.control
[band
].ht_mcs
[i
])
8004 for (i
= 0; i
< NL80211_VHT_NSS_MAX
; i
++)
8005 if (mask
.control
[band
].vht_mcs
[i
])
8008 /* legacy and mcs rates may not be both empty */
8014 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
8017 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8019 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8020 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8021 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
8023 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
8026 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
8027 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
8029 switch (wdev
->iftype
) {
8030 case NL80211_IFTYPE_STATION
:
8031 case NL80211_IFTYPE_ADHOC
:
8032 case NL80211_IFTYPE_P2P_CLIENT
:
8033 case NL80211_IFTYPE_AP
:
8034 case NL80211_IFTYPE_AP_VLAN
:
8035 case NL80211_IFTYPE_MESH_POINT
:
8036 case NL80211_IFTYPE_P2P_GO
:
8037 case NL80211_IFTYPE_P2P_DEVICE
:
8043 /* not much point in registering if we can't reply */
8044 if (!rdev
->ops
->mgmt_tx
)
8047 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
8048 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
8049 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
8052 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
8054 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8055 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8056 struct cfg80211_chan_def chandef
;
8060 struct sk_buff
*msg
= NULL
;
8061 struct cfg80211_mgmt_tx_params params
= {
8062 .dont_wait_for_ack
=
8063 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
8066 if (!info
->attrs
[NL80211_ATTR_FRAME
])
8069 if (!rdev
->ops
->mgmt_tx
)
8072 switch (wdev
->iftype
) {
8073 case NL80211_IFTYPE_P2P_DEVICE
:
8074 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
8076 case NL80211_IFTYPE_STATION
:
8077 case NL80211_IFTYPE_ADHOC
:
8078 case NL80211_IFTYPE_P2P_CLIENT
:
8079 case NL80211_IFTYPE_AP
:
8080 case NL80211_IFTYPE_AP_VLAN
:
8081 case NL80211_IFTYPE_MESH_POINT
:
8082 case NL80211_IFTYPE_P2P_GO
:
8088 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
8089 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8091 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
8094 * We should wait on the channel for at least a minimum amount
8095 * of time (10ms) but no longer than the driver supports.
8097 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
8098 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
8103 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
8105 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
8108 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
8110 /* get the channel if any has been specified, otherwise pass NULL to
8111 * the driver. The latter will use the current one
8113 chandef
.chan
= NULL
;
8114 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8115 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
8120 if (!chandef
.chan
&& params
.offchan
)
8123 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
8124 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
8126 if (info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]) {
8127 int len
= nla_len(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8130 if (len
% sizeof(u16
))
8133 params
.n_csa_offsets
= len
/ sizeof(u16
);
8134 params
.csa_offsets
=
8135 nla_data(info
->attrs
[NL80211_ATTR_CSA_C_OFFSETS_TX
]);
8137 /* check that all the offsets fit the frame */
8138 for (i
= 0; i
< params
.n_csa_offsets
; i
++) {
8139 if (params
.csa_offsets
[i
] >= params
.len
)
8144 if (!params
.dont_wait_for_ack
) {
8145 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8149 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8157 params
.chan
= chandef
.chan
;
8158 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
8163 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8164 goto nla_put_failure
;
8166 genlmsg_end(msg
, hdr
);
8167 return genlmsg_reply(msg
, info
);
8179 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
8181 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8182 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8185 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
8188 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
8191 switch (wdev
->iftype
) {
8192 case NL80211_IFTYPE_STATION
:
8193 case NL80211_IFTYPE_ADHOC
:
8194 case NL80211_IFTYPE_P2P_CLIENT
:
8195 case NL80211_IFTYPE_AP
:
8196 case NL80211_IFTYPE_AP_VLAN
:
8197 case NL80211_IFTYPE_P2P_GO
:
8198 case NL80211_IFTYPE_P2P_DEVICE
:
8204 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
8206 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
8209 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8211 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8212 struct wireless_dev
*wdev
;
8213 struct net_device
*dev
= info
->user_ptr
[1];
8218 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
8221 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
8223 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
8226 wdev
= dev
->ieee80211_ptr
;
8228 if (!rdev
->ops
->set_power_mgmt
)
8231 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
8233 if (state
== wdev
->ps
)
8236 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
8242 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
8244 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8245 enum nl80211_ps_state ps_state
;
8246 struct wireless_dev
*wdev
;
8247 struct net_device
*dev
= info
->user_ptr
[1];
8248 struct sk_buff
*msg
;
8252 wdev
= dev
->ieee80211_ptr
;
8254 if (!rdev
->ops
->set_power_mgmt
)
8257 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8261 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8262 NL80211_CMD_GET_POWER_SAVE
);
8269 ps_state
= NL80211_PS_ENABLED
;
8271 ps_state
= NL80211_PS_DISABLED
;
8273 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
8274 goto nla_put_failure
;
8276 genlmsg_end(msg
, hdr
);
8277 return genlmsg_reply(msg
, info
);
8286 static const struct nla_policy
8287 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] = {
8288 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
8289 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
8290 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
8291 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
8292 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
8293 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
8296 static int nl80211_set_cqm_txe(struct genl_info
*info
,
8297 u32 rate
, u32 pkts
, u32 intvl
)
8299 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8300 struct net_device
*dev
= info
->user_ptr
[1];
8301 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8303 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
8306 if (!rdev
->ops
->set_cqm_txe_config
)
8309 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8310 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8313 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
8316 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
8317 s32 threshold
, u32 hysteresis
)
8319 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8320 struct net_device
*dev
= info
->user_ptr
[1];
8321 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8326 /* disabling - hysteresis should also be zero then */
8330 if (!rdev
->ops
->set_cqm_rssi_config
)
8333 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
8334 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
8337 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
8340 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
8342 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
8346 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
8350 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
8351 nl80211_attr_cqm_policy
);
8355 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
8356 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
8357 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
8358 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
8360 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
8363 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
8364 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
8365 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
8366 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
8367 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
8368 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
8370 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
8376 static int nl80211_join_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8378 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8379 struct net_device
*dev
= info
->user_ptr
[1];
8380 struct ocb_setup setup
= {};
8383 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8387 return cfg80211_join_ocb(rdev
, dev
, &setup
);
8390 static int nl80211_leave_ocb(struct sk_buff
*skb
, struct genl_info
*info
)
8392 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8393 struct net_device
*dev
= info
->user_ptr
[1];
8395 return cfg80211_leave_ocb(rdev
, dev
);
8398 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8400 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8401 struct net_device
*dev
= info
->user_ptr
[1];
8402 struct mesh_config cfg
;
8403 struct mesh_setup setup
;
8406 /* start with default */
8407 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
8408 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
8410 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
8411 /* and parse parameters if given */
8412 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
8417 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
8418 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
8421 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8422 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
8424 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
8425 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
8426 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
8429 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
8430 setup
.beacon_interval
=
8431 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
8432 if (setup
.beacon_interval
< 10 ||
8433 setup
.beacon_interval
> 10000)
8437 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
8439 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
8440 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
8444 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
8445 /* parse additional setup parameters if given */
8446 err
= nl80211_parse_mesh_setup(info
, &setup
);
8452 cfg
.auto_open_plinks
= false;
8454 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
8455 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
8459 /* cfg80211_join_mesh() will sort it out */
8460 setup
.chandef
.chan
= NULL
;
8463 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
8464 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8466 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
8467 struct ieee80211_supported_band
*sband
;
8469 if (!setup
.chandef
.chan
)
8472 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
8474 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
8475 &setup
.basic_rates
);
8480 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
8483 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
8485 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8486 struct net_device
*dev
= info
->user_ptr
[1];
8488 return cfg80211_leave_mesh(rdev
, dev
);
8492 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
8493 struct cfg80211_registered_device
*rdev
)
8495 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
8496 struct nlattr
*nl_pats
, *nl_pat
;
8499 if (!wowlan
->n_patterns
)
8502 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
8506 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
8507 nl_pat
= nla_nest_start(msg
, i
+ 1);
8510 pat_len
= wowlan
->patterns
[i
].pattern_len
;
8511 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
8512 wowlan
->patterns
[i
].mask
) ||
8513 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8514 wowlan
->patterns
[i
].pattern
) ||
8515 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8516 wowlan
->patterns
[i
].pkt_offset
))
8518 nla_nest_end(msg
, nl_pat
);
8520 nla_nest_end(msg
, nl_pats
);
8525 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
8526 struct cfg80211_wowlan_tcp
*tcp
)
8528 struct nlattr
*nl_tcp
;
8533 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
8537 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
8538 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
8539 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
8540 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
8541 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
8542 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
8543 tcp
->payload_len
, tcp
->payload
) ||
8544 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
8545 tcp
->data_interval
) ||
8546 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
8547 tcp
->wake_len
, tcp
->wake_data
) ||
8548 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
8549 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
8552 if (tcp
->payload_seq
.len
&&
8553 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
8554 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
8557 if (tcp
->payload_tok
.len
&&
8558 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
8559 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
8563 nla_nest_end(msg
, nl_tcp
);
8568 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8570 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8571 struct sk_buff
*msg
;
8573 u32 size
= NLMSG_DEFAULT_SIZE
;
8575 if (!rdev
->wiphy
.wowlan
)
8578 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
8579 /* adjust size to have room for all the data */
8580 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
8581 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
8582 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
8583 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
8586 msg
= nlmsg_new(size
, GFP_KERNEL
);
8590 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8591 NL80211_CMD_GET_WOWLAN
);
8593 goto nla_put_failure
;
8595 if (rdev
->wiphy
.wowlan_config
) {
8596 struct nlattr
*nl_wowlan
;
8598 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
8600 goto nla_put_failure
;
8602 if ((rdev
->wiphy
.wowlan_config
->any
&&
8603 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
8604 (rdev
->wiphy
.wowlan_config
->disconnect
&&
8605 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
8606 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
8607 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
8608 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
8609 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
8610 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
8611 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
8612 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
8613 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
8614 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
8615 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
8616 goto nla_put_failure
;
8618 if (nl80211_send_wowlan_patterns(msg
, rdev
))
8619 goto nla_put_failure
;
8621 if (nl80211_send_wowlan_tcp(msg
,
8622 rdev
->wiphy
.wowlan_config
->tcp
))
8623 goto nla_put_failure
;
8625 nla_nest_end(msg
, nl_wowlan
);
8628 genlmsg_end(msg
, hdr
);
8629 return genlmsg_reply(msg
, info
);
8636 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
8637 struct nlattr
*attr
,
8638 struct cfg80211_wowlan
*trig
)
8640 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
8641 struct cfg80211_wowlan_tcp
*cfg
;
8642 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
8643 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
8645 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
8648 if (!rdev
->wiphy
.wowlan
->tcp
)
8651 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8652 nla_data(attr
), nla_len(attr
),
8653 nl80211_wowlan_tcp_policy
);
8657 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8658 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8659 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8660 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8661 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8662 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8663 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8664 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8667 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8668 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8671 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8672 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8673 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8676 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8677 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8680 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8681 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8684 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8685 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8687 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8688 tokens_size
= tokln
- sizeof(*tok
);
8690 if (!tok
->len
|| tokens_size
% tok
->len
)
8692 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8694 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8696 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8698 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8700 if (tok
->offset
+ tok
->len
> data_size
)
8704 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8705 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8706 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8708 if (seq
->len
== 0 || seq
->len
> 4)
8710 if (seq
->len
+ seq
->offset
> data_size
)
8714 size
= sizeof(*cfg
);
8716 size
+= wake_size
+ wake_mask_size
;
8717 size
+= tokens_size
;
8719 cfg
= kzalloc(size
, GFP_KERNEL
);
8722 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8723 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8724 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8726 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8727 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8731 /* allocate a socket and port for it and use it */
8732 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8733 IPPROTO_TCP
, &cfg
->sock
, 1);
8738 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8739 sock_release(cfg
->sock
);
8743 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8749 cfg
->src_port
= port
;
8752 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8753 cfg
->payload_len
= data_size
;
8754 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8755 memcpy((void *)cfg
->payload
,
8756 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8759 cfg
->payload_seq
= *seq
;
8760 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8761 cfg
->wake_len
= wake_size
;
8762 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8763 memcpy((void *)cfg
->wake_data
,
8764 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8766 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8767 data_size
+ wake_size
;
8768 memcpy((void *)cfg
->wake_mask
,
8769 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8772 cfg
->tokens_size
= tokens_size
;
8773 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8781 static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device
*rdev
,
8782 const struct wiphy_wowlan_support
*wowlan
,
8783 struct nlattr
*attr
,
8784 struct cfg80211_wowlan
*trig
)
8789 tb
= kzalloc(NUM_NL80211_ATTR
* sizeof(*tb
), GFP_KERNEL
);
8793 if (!(wowlan
->flags
& WIPHY_WOWLAN_NET_DETECT
)) {
8798 err
= nla_parse(tb
, NL80211_ATTR_MAX
,
8799 nla_data(attr
), nla_len(attr
),
8804 trig
->nd_config
= nl80211_parse_sched_scan(&rdev
->wiphy
, NULL
, tb
);
8805 err
= PTR_ERR_OR_ZERO(trig
->nd_config
);
8807 trig
->nd_config
= NULL
;
8814 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8816 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8817 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8818 struct cfg80211_wowlan new_triggers
= {};
8819 struct cfg80211_wowlan
*ntrig
;
8820 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8822 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8827 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8828 cfg80211_rdev_free_wowlan(rdev
);
8829 rdev
->wiphy
.wowlan_config
= NULL
;
8833 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
8834 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8835 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8836 nl80211_wowlan_policy
);
8840 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
8841 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
8843 new_triggers
.any
= true;
8846 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
8847 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
8849 new_triggers
.disconnect
= true;
8852 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
8853 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
8855 new_triggers
.magic_pkt
= true;
8858 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
8861 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
8862 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
8864 new_triggers
.gtk_rekey_failure
= true;
8867 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
8868 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
8870 new_triggers
.eap_identity_req
= true;
8873 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
8874 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
8876 new_triggers
.four_way_handshake
= true;
8879 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
8880 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
8882 new_triggers
.rfkill_release
= true;
8885 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
8888 int rem
, pat_len
, mask_len
, pkt_offset
;
8889 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8891 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8894 if (n_patterns
> wowlan
->n_patterns
)
8897 new_triggers
.patterns
= kcalloc(n_patterns
,
8898 sizeof(new_triggers
.patterns
[0]),
8900 if (!new_triggers
.patterns
)
8903 new_triggers
.n_patterns
= n_patterns
;
8906 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8910 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8911 nla_len(pat
), NULL
);
8913 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8914 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8916 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8917 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8918 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8920 if (pat_len
> wowlan
->pattern_max_len
||
8921 pat_len
< wowlan
->pattern_min_len
)
8924 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8927 pkt_offset
= nla_get_u32(
8928 pat_tb
[NL80211_PKTPAT_OFFSET
]);
8929 if (pkt_offset
> wowlan
->max_pkt_offset
)
8931 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
8933 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8938 new_triggers
.patterns
[i
].mask
= mask_pat
;
8939 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8941 mask_pat
+= mask_len
;
8942 new_triggers
.patterns
[i
].pattern
= mask_pat
;
8943 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
8945 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8951 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
8952 err
= nl80211_parse_wowlan_tcp(
8953 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
8959 if (tb
[NL80211_WOWLAN_TRIG_NET_DETECT
]) {
8960 err
= nl80211_parse_wowlan_nd(
8961 rdev
, wowlan
, tb
[NL80211_WOWLAN_TRIG_NET_DETECT
],
8967 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
8972 cfg80211_rdev_free_wowlan(rdev
);
8973 rdev
->wiphy
.wowlan_config
= ntrig
;
8976 if (rdev
->ops
->set_wakeup
&&
8977 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
8978 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
8982 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
8983 kfree(new_triggers
.patterns
[i
].mask
);
8984 kfree(new_triggers
.patterns
);
8985 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
8986 sock_release(new_triggers
.tcp
->sock
);
8987 kfree(new_triggers
.tcp
);
8992 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
8993 struct cfg80211_registered_device
*rdev
)
8995 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
8997 struct cfg80211_coalesce_rules
*rule
;
8999 if (!rdev
->coalesce
->n_rules
)
9002 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
9006 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
9007 nl_rule
= nla_nest_start(msg
, i
+ 1);
9011 rule
= &rdev
->coalesce
->rules
[i
];
9012 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
9016 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
9020 nl_pats
= nla_nest_start(msg
,
9021 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
9025 for (j
= 0; j
< rule
->n_patterns
; j
++) {
9026 nl_pat
= nla_nest_start(msg
, j
+ 1);
9029 pat_len
= rule
->patterns
[j
].pattern_len
;
9030 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
9031 DIV_ROUND_UP(pat_len
, 8),
9032 rule
->patterns
[j
].mask
) ||
9033 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
9034 rule
->patterns
[j
].pattern
) ||
9035 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
9036 rule
->patterns
[j
].pkt_offset
))
9038 nla_nest_end(msg
, nl_pat
);
9040 nla_nest_end(msg
, nl_pats
);
9041 nla_nest_end(msg
, nl_rule
);
9043 nla_nest_end(msg
, nl_rules
);
9048 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9050 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9051 struct sk_buff
*msg
;
9054 if (!rdev
->wiphy
.coalesce
)
9057 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9061 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9062 NL80211_CMD_GET_COALESCE
);
9064 goto nla_put_failure
;
9066 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
9067 goto nla_put_failure
;
9069 genlmsg_end(msg
, hdr
);
9070 return genlmsg_reply(msg
, info
);
9077 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
9079 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
9081 struct cfg80211_coalesce_rules
*rule
;
9086 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
9087 rule
= &coalesce
->rules
[i
];
9088 for (j
= 0; j
< rule
->n_patterns
; j
++)
9089 kfree(rule
->patterns
[j
].mask
);
9090 kfree(rule
->patterns
);
9092 kfree(coalesce
->rules
);
9094 rdev
->coalesce
= NULL
;
9097 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
9098 struct nlattr
*rule
,
9099 struct cfg80211_coalesce_rules
*new_rule
)
9102 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9103 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
9104 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
9105 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
9107 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
9108 nla_len(rule
), nl80211_coalesce_policy
);
9112 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
9114 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
9115 if (new_rule
->delay
> coalesce
->max_delay
)
9118 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
9119 new_rule
->condition
=
9120 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
9121 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
9122 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
9125 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
9128 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9131 if (n_patterns
> coalesce
->n_patterns
)
9134 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
9136 if (!new_rule
->patterns
)
9139 new_rule
->n_patterns
= n_patterns
;
9142 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
9146 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
9147 nla_len(pat
), NULL
);
9148 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
9149 !pat_tb
[NL80211_PKTPAT_PATTERN
])
9151 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
9152 mask_len
= DIV_ROUND_UP(pat_len
, 8);
9153 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
9155 if (pat_len
> coalesce
->pattern_max_len
||
9156 pat_len
< coalesce
->pattern_min_len
)
9159 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
9162 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
9163 if (pkt_offset
> coalesce
->max_pkt_offset
)
9165 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
9167 mask_pat
= kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
9171 new_rule
->patterns
[i
].mask
= mask_pat
;
9172 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
9175 mask_pat
+= mask_len
;
9176 new_rule
->patterns
[i
].pattern
= mask_pat
;
9177 new_rule
->patterns
[i
].pattern_len
= pat_len
;
9178 memcpy(mask_pat
, nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
9186 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
9188 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9189 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
9190 struct cfg80211_coalesce new_coalesce
= {};
9191 struct cfg80211_coalesce
*n_coalesce
;
9192 int err
, rem_rule
, n_rules
= 0, i
, j
;
9193 struct nlattr
*rule
;
9194 struct cfg80211_coalesce_rules
*tmp_rule
;
9196 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
9199 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
9200 cfg80211_rdev_free_coalesce(rdev
);
9201 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
9205 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9208 if (n_rules
> coalesce
->n_rules
)
9211 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
9213 if (!new_coalesce
.rules
)
9216 new_coalesce
.n_rules
= n_rules
;
9219 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
9221 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
9222 &new_coalesce
.rules
[i
]);
9229 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
9233 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
9238 cfg80211_rdev_free_coalesce(rdev
);
9239 rdev
->coalesce
= n_coalesce
;
9243 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
9244 tmp_rule
= &new_coalesce
.rules
[i
];
9245 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
9246 kfree(tmp_rule
->patterns
[j
].mask
);
9247 kfree(tmp_rule
->patterns
);
9249 kfree(new_coalesce
.rules
);
9254 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
9256 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9257 struct net_device
*dev
= info
->user_ptr
[1];
9258 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9259 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
9260 struct cfg80211_gtk_rekey_data rekey_data
;
9263 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
9266 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
9267 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9268 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
9269 nl80211_rekey_policy
);
9273 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
9275 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
9277 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
9280 rekey_data
.kek
= nla_data(tb
[NL80211_REKEY_DATA_KEK
]);
9281 rekey_data
.kck
= nla_data(tb
[NL80211_REKEY_DATA_KCK
]);
9282 rekey_data
.replay_ctr
= nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]);
9285 if (!wdev
->current_bss
) {
9290 if (!rdev
->ops
->set_rekey_data
) {
9295 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
9301 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
9302 struct genl_info
*info
)
9304 struct net_device
*dev
= info
->user_ptr
[1];
9305 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9307 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9308 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9311 if (wdev
->ap_unexpected_nlportid
)
9314 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
9318 static int nl80211_probe_client(struct sk_buff
*skb
,
9319 struct genl_info
*info
)
9321 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9322 struct net_device
*dev
= info
->user_ptr
[1];
9323 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9324 struct sk_buff
*msg
;
9330 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
9331 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
9334 if (!info
->attrs
[NL80211_ATTR_MAC
])
9337 if (!rdev
->ops
->probe_client
)
9340 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9344 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9345 NL80211_CMD_PROBE_CLIENT
);
9351 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9353 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
9357 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
9358 goto nla_put_failure
;
9360 genlmsg_end(msg
, hdr
);
9362 return genlmsg_reply(msg
, info
);
9371 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
9373 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9374 struct cfg80211_beacon_registration
*reg
, *nreg
;
9377 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
9380 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
9384 /* First, check if already registered. */
9385 spin_lock_bh(&rdev
->beacon_registrations_lock
);
9386 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
9387 if (reg
->nlportid
== info
->snd_portid
) {
9392 /* Add it to the list */
9393 nreg
->nlportid
= info
->snd_portid
;
9394 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
9396 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9400 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9405 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9407 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9408 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9411 if (!rdev
->ops
->start_p2p_device
)
9414 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9417 if (wdev
->p2p_started
)
9420 if (rfkill_blocked(rdev
->rfkill
))
9423 err
= rdev_start_p2p_device(rdev
, wdev
);
9427 wdev
->p2p_started
= true;
9433 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
9435 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9436 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9438 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
9441 if (!rdev
->ops
->stop_p2p_device
)
9444 cfg80211_stop_p2p_device(rdev
, wdev
);
9449 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
9450 struct genl_info
*info
)
9453 struct sk_buff
*msg
;
9455 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9459 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
9460 NL80211_CMD_GET_PROTOCOL_FEATURES
);
9462 goto nla_put_failure
;
9464 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
9465 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
9466 goto nla_put_failure
;
9468 genlmsg_end(msg
, hdr
);
9469 return genlmsg_reply(msg
, info
);
9476 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
9478 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9479 struct cfg80211_update_ft_ies_params ft_params
;
9480 struct net_device
*dev
= info
->user_ptr
[1];
9482 if (!rdev
->ops
->update_ft_ies
)
9485 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
9486 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
9489 memset(&ft_params
, 0, sizeof(ft_params
));
9490 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
9491 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
9492 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
9494 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
9497 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
9498 struct genl_info
*info
)
9500 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9501 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9502 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
9506 if (!rdev
->ops
->crit_proto_start
)
9509 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
9512 if (rdev
->crit_proto_nlportid
)
9515 /* determine protocol if provided */
9516 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
9517 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
9519 if (proto
>= NUM_NL80211_CRIT_PROTO
)
9522 /* timeout must be provided */
9523 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
9527 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
9529 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
9532 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
9534 rdev
->crit_proto_nlportid
= info
->snd_portid
;
9539 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
9540 struct genl_info
*info
)
9542 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9543 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9545 if (!rdev
->ops
->crit_proto_stop
)
9548 if (rdev
->crit_proto_nlportid
) {
9549 rdev
->crit_proto_nlportid
= 0;
9550 rdev_crit_proto_stop(rdev
, wdev
);
9555 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
9557 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9558 struct wireless_dev
*wdev
=
9559 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
9563 if (!rdev
->wiphy
.vendor_commands
)
9567 err
= PTR_ERR(wdev
);
9571 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
9575 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
9576 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
9579 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
9580 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
9581 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
9582 const struct wiphy_vendor_command
*vcmd
;
9586 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
9588 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
9591 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
9592 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
9595 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
9599 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
9601 !netif_running(wdev
->netdev
))
9603 if (!wdev
->netdev
&& !wdev
->p2p_started
)
9610 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
9611 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9612 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
9615 rdev
->cur_cmd_info
= info
;
9616 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
9618 rdev
->cur_cmd_info
= NULL
;
9625 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
9626 enum nl80211_commands cmd
,
9627 enum nl80211_attrs attr
,
9630 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
9632 if (WARN_ON(!rdev
->cur_cmd_info
))
9635 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
,
9636 rdev
->cur_cmd_info
->snd_portid
,
9637 rdev
->cur_cmd_info
->snd_seq
,
9638 cmd
, attr
, NULL
, GFP_KERNEL
);
9640 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
9642 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
9644 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
9645 void *hdr
= ((void **)skb
->cb
)[1];
9646 struct nlattr
*data
= ((void **)skb
->cb
)[2];
9648 /* clear CB data for netlink core to own from now on */
9649 memset(skb
->cb
, 0, sizeof(skb
->cb
));
9651 if (WARN_ON(!rdev
->cur_cmd_info
)) {
9656 nla_nest_end(skb
, data
);
9657 genlmsg_end(skb
, hdr
);
9658 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
9660 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
9663 static int nl80211_set_qos_map(struct sk_buff
*skb
,
9664 struct genl_info
*info
)
9666 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9667 struct cfg80211_qos_map
*qos_map
= NULL
;
9668 struct net_device
*dev
= info
->user_ptr
[1];
9669 u8
*pos
, len
, num_des
, des_len
, des
;
9672 if (!rdev
->ops
->set_qos_map
)
9675 if (info
->attrs
[NL80211_ATTR_QOS_MAP
]) {
9676 pos
= nla_data(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9677 len
= nla_len(info
->attrs
[NL80211_ATTR_QOS_MAP
]);
9679 if (len
% 2 || len
< IEEE80211_QOS_MAP_LEN_MIN
||
9680 len
> IEEE80211_QOS_MAP_LEN_MAX
)
9683 qos_map
= kzalloc(sizeof(struct cfg80211_qos_map
), GFP_KERNEL
);
9687 num_des
= (len
- IEEE80211_QOS_MAP_LEN_MIN
) >> 1;
9690 sizeof(struct cfg80211_dscp_exception
);
9691 memcpy(qos_map
->dscp_exception
, pos
, des_len
);
9692 qos_map
->num_des
= num_des
;
9693 for (des
= 0; des
< num_des
; des
++) {
9694 if (qos_map
->dscp_exception
[des
].up
> 7) {
9701 memcpy(qos_map
->up
, pos
, IEEE80211_QOS_MAP_LEN_MIN
);
9704 wdev_lock(dev
->ieee80211_ptr
);
9705 ret
= nl80211_key_allowed(dev
->ieee80211_ptr
);
9707 ret
= rdev_set_qos_map(rdev
, dev
, qos_map
);
9708 wdev_unlock(dev
->ieee80211_ptr
);
9714 static int nl80211_add_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9716 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9717 struct net_device
*dev
= info
->user_ptr
[1];
9718 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9721 u16 admitted_time
= 0;
9724 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SUPPORTS_WMM_ADMISSION
))
9727 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
] ||
9728 !info
->attrs
[NL80211_ATTR_USER_PRIO
])
9731 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
9732 if (tsid
>= IEEE80211_NUM_TIDS
)
9735 up
= nla_get_u8(info
->attrs
[NL80211_ATTR_USER_PRIO
]);
9736 if (up
>= IEEE80211_NUM_UPS
)
9739 /* WMM uses TIDs 0-7 even for TSPEC */
9740 if (tsid
>= IEEE80211_FIRST_TSPEC_TSID
) {
9741 /* TODO: handle 802.11 TSPEC/admission control
9742 * need more attributes for that (e.g. BA session requirement);
9743 * change the WMM adminssion test above to allow both then
9748 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9750 if (info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]) {
9752 nla_get_u16(info
->attrs
[NL80211_ATTR_ADMITTED_TIME
]);
9758 switch (wdev
->iftype
) {
9759 case NL80211_IFTYPE_STATION
:
9760 case NL80211_IFTYPE_P2P_CLIENT
:
9761 if (wdev
->current_bss
)
9770 err
= rdev_add_tx_ts(rdev
, dev
, tsid
, peer
, up
, admitted_time
);
9777 static int nl80211_del_tx_ts(struct sk_buff
*skb
, struct genl_info
*info
)
9779 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9780 struct net_device
*dev
= info
->user_ptr
[1];
9781 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9786 if (!info
->attrs
[NL80211_ATTR_TSID
] || !info
->attrs
[NL80211_ATTR_MAC
])
9789 tsid
= nla_get_u8(info
->attrs
[NL80211_ATTR_TSID
]);
9790 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9793 err
= rdev_del_tx_ts(rdev
, dev
, tsid
, peer
);
9799 static int nl80211_tdls_channel_switch(struct sk_buff
*skb
,
9800 struct genl_info
*info
)
9802 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9803 struct net_device
*dev
= info
->user_ptr
[1];
9804 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9805 struct cfg80211_chan_def chandef
= {};
9810 if (!rdev
->ops
->tdls_channel_switch
||
9811 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
9814 switch (dev
->ieee80211_ptr
->iftype
) {
9815 case NL80211_IFTYPE_STATION
:
9816 case NL80211_IFTYPE_P2P_CLIENT
:
9822 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
9823 !info
->attrs
[NL80211_ATTR_OPER_CLASS
])
9826 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
9831 * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012
9832 * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the
9833 * specification is not defined for them.
9835 if (chandef
.chan
->band
== IEEE80211_BAND_2GHZ
&&
9836 chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
9837 chandef
.width
!= NL80211_CHAN_WIDTH_20
)
9840 /* we will be active on the TDLS link */
9841 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
, wdev
->iftype
))
9844 /* don't allow switching to DFS channels */
9845 if (cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
, wdev
->iftype
))
9848 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9849 oper_class
= nla_get_u8(info
->attrs
[NL80211_ATTR_OPER_CLASS
]);
9852 err
= rdev_tdls_channel_switch(rdev
, dev
, addr
, oper_class
, &chandef
);
9858 static int nl80211_tdls_cancel_channel_switch(struct sk_buff
*skb
,
9859 struct genl_info
*info
)
9861 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
9862 struct net_device
*dev
= info
->user_ptr
[1];
9863 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9866 if (!rdev
->ops
->tdls_channel_switch
||
9867 !rdev
->ops
->tdls_cancel_channel_switch
||
9868 !(rdev
->wiphy
.features
& NL80211_FEATURE_TDLS_CHANNEL_SWITCH
))
9871 switch (dev
->ieee80211_ptr
->iftype
) {
9872 case NL80211_IFTYPE_STATION
:
9873 case NL80211_IFTYPE_P2P_CLIENT
:
9879 if (!info
->attrs
[NL80211_ATTR_MAC
])
9882 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
9885 rdev_tdls_cancel_channel_switch(rdev
, dev
, addr
);
9891 #define NL80211_FLAG_NEED_WIPHY 0x01
9892 #define NL80211_FLAG_NEED_NETDEV 0x02
9893 #define NL80211_FLAG_NEED_RTNL 0x04
9894 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
9895 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
9896 NL80211_FLAG_CHECK_NETDEV_UP)
9897 #define NL80211_FLAG_NEED_WDEV 0x10
9898 /* If a netdev is associated, it must be UP, P2P must be started */
9899 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
9900 NL80211_FLAG_CHECK_NETDEV_UP)
9901 #define NL80211_FLAG_CLEAR_SKB 0x20
9903 static int nl80211_pre_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9904 struct genl_info
*info
)
9906 struct cfg80211_registered_device
*rdev
;
9907 struct wireless_dev
*wdev
;
9908 struct net_device
*dev
;
9909 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
9914 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
9915 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
9919 return PTR_ERR(rdev
);
9921 info
->user_ptr
[0] = rdev
;
9922 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
9923 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9926 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
9931 return PTR_ERR(wdev
);
9935 rdev
= wiphy_to_rdev(wdev
->wiphy
);
9937 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
9944 info
->user_ptr
[1] = dev
;
9946 info
->user_ptr
[1] = wdev
;
9950 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
9951 !netif_running(dev
)) {
9958 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
9959 if (!wdev
->p2p_started
) {
9966 info
->user_ptr
[0] = rdev
;
9972 static void nl80211_post_doit(const struct genl_ops
*ops
, struct sk_buff
*skb
,
9973 struct genl_info
*info
)
9975 if (info
->user_ptr
[1]) {
9976 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9977 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9980 dev_put(wdev
->netdev
);
9982 dev_put(info
->user_ptr
[1]);
9986 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
9989 /* If needed, clear the netlink message payload from the SKB
9990 * as it might contain key data that shouldn't stick around on
9991 * the heap after the SKB is freed. The netlink message header
9992 * is still needed for further processing, so leave it intact.
9994 if (ops
->internal_flags
& NL80211_FLAG_CLEAR_SKB
) {
9995 struct nlmsghdr
*nlh
= nlmsg_hdr(skb
);
9997 memset(nlmsg_data(nlh
), 0, nlmsg_len(nlh
));
10001 static const struct genl_ops nl80211_ops
[] = {
10003 .cmd
= NL80211_CMD_GET_WIPHY
,
10004 .doit
= nl80211_get_wiphy
,
10005 .dumpit
= nl80211_dump_wiphy
,
10006 .done
= nl80211_dump_wiphy_done
,
10007 .policy
= nl80211_policy
,
10008 /* can be retrieved by unprivileged users */
10009 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10010 NL80211_FLAG_NEED_RTNL
,
10013 .cmd
= NL80211_CMD_SET_WIPHY
,
10014 .doit
= nl80211_set_wiphy
,
10015 .policy
= nl80211_policy
,
10016 .flags
= GENL_ADMIN_PERM
,
10017 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10020 .cmd
= NL80211_CMD_GET_INTERFACE
,
10021 .doit
= nl80211_get_interface
,
10022 .dumpit
= nl80211_dump_interface
,
10023 .policy
= nl80211_policy
,
10024 /* can be retrieved by unprivileged users */
10025 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10026 NL80211_FLAG_NEED_RTNL
,
10029 .cmd
= NL80211_CMD_SET_INTERFACE
,
10030 .doit
= nl80211_set_interface
,
10031 .policy
= nl80211_policy
,
10032 .flags
= GENL_ADMIN_PERM
,
10033 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10034 NL80211_FLAG_NEED_RTNL
,
10037 .cmd
= NL80211_CMD_NEW_INTERFACE
,
10038 .doit
= nl80211_new_interface
,
10039 .policy
= nl80211_policy
,
10040 .flags
= GENL_ADMIN_PERM
,
10041 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10042 NL80211_FLAG_NEED_RTNL
,
10045 .cmd
= NL80211_CMD_DEL_INTERFACE
,
10046 .doit
= nl80211_del_interface
,
10047 .policy
= nl80211_policy
,
10048 .flags
= GENL_ADMIN_PERM
,
10049 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10050 NL80211_FLAG_NEED_RTNL
,
10053 .cmd
= NL80211_CMD_GET_KEY
,
10054 .doit
= nl80211_get_key
,
10055 .policy
= nl80211_policy
,
10056 .flags
= GENL_ADMIN_PERM
,
10057 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10058 NL80211_FLAG_NEED_RTNL
,
10061 .cmd
= NL80211_CMD_SET_KEY
,
10062 .doit
= nl80211_set_key
,
10063 .policy
= nl80211_policy
,
10064 .flags
= GENL_ADMIN_PERM
,
10065 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10066 NL80211_FLAG_NEED_RTNL
|
10067 NL80211_FLAG_CLEAR_SKB
,
10070 .cmd
= NL80211_CMD_NEW_KEY
,
10071 .doit
= nl80211_new_key
,
10072 .policy
= nl80211_policy
,
10073 .flags
= GENL_ADMIN_PERM
,
10074 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10075 NL80211_FLAG_NEED_RTNL
|
10076 NL80211_FLAG_CLEAR_SKB
,
10079 .cmd
= NL80211_CMD_DEL_KEY
,
10080 .doit
= nl80211_del_key
,
10081 .policy
= nl80211_policy
,
10082 .flags
= GENL_ADMIN_PERM
,
10083 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10084 NL80211_FLAG_NEED_RTNL
,
10087 .cmd
= NL80211_CMD_SET_BEACON
,
10088 .policy
= nl80211_policy
,
10089 .flags
= GENL_ADMIN_PERM
,
10090 .doit
= nl80211_set_beacon
,
10091 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10092 NL80211_FLAG_NEED_RTNL
,
10095 .cmd
= NL80211_CMD_START_AP
,
10096 .policy
= nl80211_policy
,
10097 .flags
= GENL_ADMIN_PERM
,
10098 .doit
= nl80211_start_ap
,
10099 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10100 NL80211_FLAG_NEED_RTNL
,
10103 .cmd
= NL80211_CMD_STOP_AP
,
10104 .policy
= nl80211_policy
,
10105 .flags
= GENL_ADMIN_PERM
,
10106 .doit
= nl80211_stop_ap
,
10107 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10108 NL80211_FLAG_NEED_RTNL
,
10111 .cmd
= NL80211_CMD_GET_STATION
,
10112 .doit
= nl80211_get_station
,
10113 .dumpit
= nl80211_dump_station
,
10114 .policy
= nl80211_policy
,
10115 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10116 NL80211_FLAG_NEED_RTNL
,
10119 .cmd
= NL80211_CMD_SET_STATION
,
10120 .doit
= nl80211_set_station
,
10121 .policy
= nl80211_policy
,
10122 .flags
= GENL_ADMIN_PERM
,
10123 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10124 NL80211_FLAG_NEED_RTNL
,
10127 .cmd
= NL80211_CMD_NEW_STATION
,
10128 .doit
= nl80211_new_station
,
10129 .policy
= nl80211_policy
,
10130 .flags
= GENL_ADMIN_PERM
,
10131 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10132 NL80211_FLAG_NEED_RTNL
,
10135 .cmd
= NL80211_CMD_DEL_STATION
,
10136 .doit
= nl80211_del_station
,
10137 .policy
= nl80211_policy
,
10138 .flags
= GENL_ADMIN_PERM
,
10139 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10140 NL80211_FLAG_NEED_RTNL
,
10143 .cmd
= NL80211_CMD_GET_MPATH
,
10144 .doit
= nl80211_get_mpath
,
10145 .dumpit
= nl80211_dump_mpath
,
10146 .policy
= nl80211_policy
,
10147 .flags
= GENL_ADMIN_PERM
,
10148 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10149 NL80211_FLAG_NEED_RTNL
,
10152 .cmd
= NL80211_CMD_GET_MPP
,
10153 .doit
= nl80211_get_mpp
,
10154 .dumpit
= nl80211_dump_mpp
,
10155 .policy
= nl80211_policy
,
10156 .flags
= GENL_ADMIN_PERM
,
10157 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10158 NL80211_FLAG_NEED_RTNL
,
10161 .cmd
= NL80211_CMD_SET_MPATH
,
10162 .doit
= nl80211_set_mpath
,
10163 .policy
= nl80211_policy
,
10164 .flags
= GENL_ADMIN_PERM
,
10165 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10166 NL80211_FLAG_NEED_RTNL
,
10169 .cmd
= NL80211_CMD_NEW_MPATH
,
10170 .doit
= nl80211_new_mpath
,
10171 .policy
= nl80211_policy
,
10172 .flags
= GENL_ADMIN_PERM
,
10173 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10174 NL80211_FLAG_NEED_RTNL
,
10177 .cmd
= NL80211_CMD_DEL_MPATH
,
10178 .doit
= nl80211_del_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_SET_BSS
,
10186 .doit
= nl80211_set_bss
,
10187 .policy
= nl80211_policy
,
10188 .flags
= GENL_ADMIN_PERM
,
10189 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10190 NL80211_FLAG_NEED_RTNL
,
10193 .cmd
= NL80211_CMD_GET_REG
,
10194 .doit
= nl80211_get_reg
,
10195 .policy
= nl80211_policy
,
10196 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10197 /* can be retrieved by unprivileged users */
10200 .cmd
= NL80211_CMD_SET_REG
,
10201 .doit
= nl80211_set_reg
,
10202 .policy
= nl80211_policy
,
10203 .flags
= GENL_ADMIN_PERM
,
10204 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
10207 .cmd
= NL80211_CMD_REQ_SET_REG
,
10208 .doit
= nl80211_req_set_reg
,
10209 .policy
= nl80211_policy
,
10210 .flags
= GENL_ADMIN_PERM
,
10213 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
10214 .doit
= nl80211_get_mesh_config
,
10215 .policy
= nl80211_policy
,
10216 /* can be retrieved by unprivileged users */
10217 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10218 NL80211_FLAG_NEED_RTNL
,
10221 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
10222 .doit
= nl80211_update_mesh_config
,
10223 .policy
= nl80211_policy
,
10224 .flags
= GENL_ADMIN_PERM
,
10225 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10226 NL80211_FLAG_NEED_RTNL
,
10229 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
10230 .doit
= nl80211_trigger_scan
,
10231 .policy
= nl80211_policy
,
10232 .flags
= GENL_ADMIN_PERM
,
10233 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10234 NL80211_FLAG_NEED_RTNL
,
10237 .cmd
= NL80211_CMD_GET_SCAN
,
10238 .policy
= nl80211_policy
,
10239 .dumpit
= nl80211_dump_scan
,
10242 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
10243 .doit
= nl80211_start_sched_scan
,
10244 .policy
= nl80211_policy
,
10245 .flags
= GENL_ADMIN_PERM
,
10246 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10247 NL80211_FLAG_NEED_RTNL
,
10250 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
10251 .doit
= nl80211_stop_sched_scan
,
10252 .policy
= nl80211_policy
,
10253 .flags
= GENL_ADMIN_PERM
,
10254 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10255 NL80211_FLAG_NEED_RTNL
,
10258 .cmd
= NL80211_CMD_AUTHENTICATE
,
10259 .doit
= nl80211_authenticate
,
10260 .policy
= nl80211_policy
,
10261 .flags
= GENL_ADMIN_PERM
,
10262 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10263 NL80211_FLAG_NEED_RTNL
|
10264 NL80211_FLAG_CLEAR_SKB
,
10267 .cmd
= NL80211_CMD_ASSOCIATE
,
10268 .doit
= nl80211_associate
,
10269 .policy
= nl80211_policy
,
10270 .flags
= GENL_ADMIN_PERM
,
10271 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10272 NL80211_FLAG_NEED_RTNL
,
10275 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
10276 .doit
= nl80211_deauthenticate
,
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_DISASSOCIATE
,
10284 .doit
= nl80211_disassociate
,
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_JOIN_IBSS
,
10292 .doit
= nl80211_join_ibss
,
10293 .policy
= nl80211_policy
,
10294 .flags
= GENL_ADMIN_PERM
,
10295 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10296 NL80211_FLAG_NEED_RTNL
,
10299 .cmd
= NL80211_CMD_LEAVE_IBSS
,
10300 .doit
= nl80211_leave_ibss
,
10301 .policy
= nl80211_policy
,
10302 .flags
= GENL_ADMIN_PERM
,
10303 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10304 NL80211_FLAG_NEED_RTNL
,
10306 #ifdef CONFIG_NL80211_TESTMODE
10308 .cmd
= NL80211_CMD_TESTMODE
,
10309 .doit
= nl80211_testmode_do
,
10310 .dumpit
= nl80211_testmode_dump
,
10311 .policy
= nl80211_policy
,
10312 .flags
= GENL_ADMIN_PERM
,
10313 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10314 NL80211_FLAG_NEED_RTNL
,
10318 .cmd
= NL80211_CMD_CONNECT
,
10319 .doit
= nl80211_connect
,
10320 .policy
= nl80211_policy
,
10321 .flags
= GENL_ADMIN_PERM
,
10322 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10323 NL80211_FLAG_NEED_RTNL
,
10326 .cmd
= NL80211_CMD_DISCONNECT
,
10327 .doit
= nl80211_disconnect
,
10328 .policy
= nl80211_policy
,
10329 .flags
= GENL_ADMIN_PERM
,
10330 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10331 NL80211_FLAG_NEED_RTNL
,
10334 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
10335 .doit
= nl80211_wiphy_netns
,
10336 .policy
= nl80211_policy
,
10337 .flags
= GENL_ADMIN_PERM
,
10338 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10339 NL80211_FLAG_NEED_RTNL
,
10342 .cmd
= NL80211_CMD_GET_SURVEY
,
10343 .policy
= nl80211_policy
,
10344 .dumpit
= nl80211_dump_survey
,
10347 .cmd
= NL80211_CMD_SET_PMKSA
,
10348 .doit
= nl80211_setdel_pmksa
,
10349 .policy
= nl80211_policy
,
10350 .flags
= GENL_ADMIN_PERM
,
10351 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10352 NL80211_FLAG_NEED_RTNL
,
10355 .cmd
= NL80211_CMD_DEL_PMKSA
,
10356 .doit
= nl80211_setdel_pmksa
,
10357 .policy
= nl80211_policy
,
10358 .flags
= GENL_ADMIN_PERM
,
10359 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10360 NL80211_FLAG_NEED_RTNL
,
10363 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
10364 .doit
= nl80211_flush_pmksa
,
10365 .policy
= nl80211_policy
,
10366 .flags
= GENL_ADMIN_PERM
,
10367 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10368 NL80211_FLAG_NEED_RTNL
,
10371 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
10372 .doit
= nl80211_remain_on_channel
,
10373 .policy
= nl80211_policy
,
10374 .flags
= GENL_ADMIN_PERM
,
10375 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10376 NL80211_FLAG_NEED_RTNL
,
10379 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10380 .doit
= nl80211_cancel_remain_on_channel
,
10381 .policy
= nl80211_policy
,
10382 .flags
= GENL_ADMIN_PERM
,
10383 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10384 NL80211_FLAG_NEED_RTNL
,
10387 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
10388 .doit
= nl80211_set_tx_bitrate_mask
,
10389 .policy
= nl80211_policy
,
10390 .flags
= GENL_ADMIN_PERM
,
10391 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10392 NL80211_FLAG_NEED_RTNL
,
10395 .cmd
= NL80211_CMD_REGISTER_FRAME
,
10396 .doit
= nl80211_register_mgmt
,
10397 .policy
= nl80211_policy
,
10398 .flags
= GENL_ADMIN_PERM
,
10399 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10400 NL80211_FLAG_NEED_RTNL
,
10403 .cmd
= NL80211_CMD_FRAME
,
10404 .doit
= nl80211_tx_mgmt
,
10405 .policy
= nl80211_policy
,
10406 .flags
= GENL_ADMIN_PERM
,
10407 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10408 NL80211_FLAG_NEED_RTNL
,
10411 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
10412 .doit
= nl80211_tx_mgmt_cancel_wait
,
10413 .policy
= nl80211_policy
,
10414 .flags
= GENL_ADMIN_PERM
,
10415 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10416 NL80211_FLAG_NEED_RTNL
,
10419 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
10420 .doit
= nl80211_set_power_save
,
10421 .policy
= nl80211_policy
,
10422 .flags
= GENL_ADMIN_PERM
,
10423 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10424 NL80211_FLAG_NEED_RTNL
,
10427 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
10428 .doit
= nl80211_get_power_save
,
10429 .policy
= nl80211_policy
,
10430 /* can be retrieved by unprivileged users */
10431 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10432 NL80211_FLAG_NEED_RTNL
,
10435 .cmd
= NL80211_CMD_SET_CQM
,
10436 .doit
= nl80211_set_cqm
,
10437 .policy
= nl80211_policy
,
10438 .flags
= GENL_ADMIN_PERM
,
10439 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10440 NL80211_FLAG_NEED_RTNL
,
10443 .cmd
= NL80211_CMD_SET_CHANNEL
,
10444 .doit
= nl80211_set_channel
,
10445 .policy
= nl80211_policy
,
10446 .flags
= GENL_ADMIN_PERM
,
10447 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10448 NL80211_FLAG_NEED_RTNL
,
10451 .cmd
= NL80211_CMD_SET_WDS_PEER
,
10452 .doit
= nl80211_set_wds_peer
,
10453 .policy
= nl80211_policy
,
10454 .flags
= GENL_ADMIN_PERM
,
10455 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10456 NL80211_FLAG_NEED_RTNL
,
10459 .cmd
= NL80211_CMD_JOIN_MESH
,
10460 .doit
= nl80211_join_mesh
,
10461 .policy
= nl80211_policy
,
10462 .flags
= GENL_ADMIN_PERM
,
10463 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10464 NL80211_FLAG_NEED_RTNL
,
10467 .cmd
= NL80211_CMD_LEAVE_MESH
,
10468 .doit
= nl80211_leave_mesh
,
10469 .policy
= nl80211_policy
,
10470 .flags
= GENL_ADMIN_PERM
,
10471 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10472 NL80211_FLAG_NEED_RTNL
,
10475 .cmd
= NL80211_CMD_JOIN_OCB
,
10476 .doit
= nl80211_join_ocb
,
10477 .policy
= nl80211_policy
,
10478 .flags
= GENL_ADMIN_PERM
,
10479 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10480 NL80211_FLAG_NEED_RTNL
,
10483 .cmd
= NL80211_CMD_LEAVE_OCB
,
10484 .doit
= nl80211_leave_ocb
,
10485 .policy
= nl80211_policy
,
10486 .flags
= GENL_ADMIN_PERM
,
10487 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10488 NL80211_FLAG_NEED_RTNL
,
10492 .cmd
= NL80211_CMD_GET_WOWLAN
,
10493 .doit
= nl80211_get_wowlan
,
10494 .policy
= nl80211_policy
,
10495 /* can be retrieved by unprivileged users */
10496 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10497 NL80211_FLAG_NEED_RTNL
,
10500 .cmd
= NL80211_CMD_SET_WOWLAN
,
10501 .doit
= nl80211_set_wowlan
,
10502 .policy
= nl80211_policy
,
10503 .flags
= GENL_ADMIN_PERM
,
10504 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10505 NL80211_FLAG_NEED_RTNL
,
10509 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
10510 .doit
= nl80211_set_rekey_data
,
10511 .policy
= nl80211_policy
,
10512 .flags
= GENL_ADMIN_PERM
,
10513 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10514 NL80211_FLAG_NEED_RTNL
|
10515 NL80211_FLAG_CLEAR_SKB
,
10518 .cmd
= NL80211_CMD_TDLS_MGMT
,
10519 .doit
= nl80211_tdls_mgmt
,
10520 .policy
= nl80211_policy
,
10521 .flags
= GENL_ADMIN_PERM
,
10522 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10523 NL80211_FLAG_NEED_RTNL
,
10526 .cmd
= NL80211_CMD_TDLS_OPER
,
10527 .doit
= nl80211_tdls_oper
,
10528 .policy
= nl80211_policy
,
10529 .flags
= GENL_ADMIN_PERM
,
10530 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10531 NL80211_FLAG_NEED_RTNL
,
10534 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
10535 .doit
= nl80211_register_unexpected_frame
,
10536 .policy
= nl80211_policy
,
10537 .flags
= GENL_ADMIN_PERM
,
10538 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10539 NL80211_FLAG_NEED_RTNL
,
10542 .cmd
= NL80211_CMD_PROBE_CLIENT
,
10543 .doit
= nl80211_probe_client
,
10544 .policy
= nl80211_policy
,
10545 .flags
= GENL_ADMIN_PERM
,
10546 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10547 NL80211_FLAG_NEED_RTNL
,
10550 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
10551 .doit
= nl80211_register_beacons
,
10552 .policy
= nl80211_policy
,
10553 .flags
= GENL_ADMIN_PERM
,
10554 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10555 NL80211_FLAG_NEED_RTNL
,
10558 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
10559 .doit
= nl80211_set_noack_map
,
10560 .policy
= nl80211_policy
,
10561 .flags
= GENL_ADMIN_PERM
,
10562 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10563 NL80211_FLAG_NEED_RTNL
,
10566 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
10567 .doit
= nl80211_start_p2p_device
,
10568 .policy
= nl80211_policy
,
10569 .flags
= GENL_ADMIN_PERM
,
10570 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
10571 NL80211_FLAG_NEED_RTNL
,
10574 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
10575 .doit
= nl80211_stop_p2p_device
,
10576 .policy
= nl80211_policy
,
10577 .flags
= GENL_ADMIN_PERM
,
10578 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10579 NL80211_FLAG_NEED_RTNL
,
10582 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
10583 .doit
= nl80211_set_mcast_rate
,
10584 .policy
= nl80211_policy
,
10585 .flags
= GENL_ADMIN_PERM
,
10586 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10587 NL80211_FLAG_NEED_RTNL
,
10590 .cmd
= NL80211_CMD_SET_MAC_ACL
,
10591 .doit
= nl80211_set_mac_acl
,
10592 .policy
= nl80211_policy
,
10593 .flags
= GENL_ADMIN_PERM
,
10594 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
10595 NL80211_FLAG_NEED_RTNL
,
10598 .cmd
= NL80211_CMD_RADAR_DETECT
,
10599 .doit
= nl80211_start_radar_detection
,
10600 .policy
= nl80211_policy
,
10601 .flags
= GENL_ADMIN_PERM
,
10602 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10603 NL80211_FLAG_NEED_RTNL
,
10606 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
10607 .doit
= nl80211_get_protocol_features
,
10608 .policy
= nl80211_policy
,
10611 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
10612 .doit
= nl80211_update_ft_ies
,
10613 .policy
= nl80211_policy
,
10614 .flags
= GENL_ADMIN_PERM
,
10615 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10616 NL80211_FLAG_NEED_RTNL
,
10619 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
10620 .doit
= nl80211_crit_protocol_start
,
10621 .policy
= nl80211_policy
,
10622 .flags
= GENL_ADMIN_PERM
,
10623 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10624 NL80211_FLAG_NEED_RTNL
,
10627 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
10628 .doit
= nl80211_crit_protocol_stop
,
10629 .policy
= nl80211_policy
,
10630 .flags
= GENL_ADMIN_PERM
,
10631 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
10632 NL80211_FLAG_NEED_RTNL
,
10635 .cmd
= NL80211_CMD_GET_COALESCE
,
10636 .doit
= nl80211_get_coalesce
,
10637 .policy
= nl80211_policy
,
10638 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10639 NL80211_FLAG_NEED_RTNL
,
10642 .cmd
= NL80211_CMD_SET_COALESCE
,
10643 .doit
= nl80211_set_coalesce
,
10644 .policy
= nl80211_policy
,
10645 .flags
= GENL_ADMIN_PERM
,
10646 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10647 NL80211_FLAG_NEED_RTNL
,
10650 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
10651 .doit
= nl80211_channel_switch
,
10652 .policy
= nl80211_policy
,
10653 .flags
= GENL_ADMIN_PERM
,
10654 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10655 NL80211_FLAG_NEED_RTNL
,
10658 .cmd
= NL80211_CMD_VENDOR
,
10659 .doit
= nl80211_vendor_cmd
,
10660 .policy
= nl80211_policy
,
10661 .flags
= GENL_ADMIN_PERM
,
10662 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
10663 NL80211_FLAG_NEED_RTNL
,
10666 .cmd
= NL80211_CMD_SET_QOS_MAP
,
10667 .doit
= nl80211_set_qos_map
,
10668 .policy
= nl80211_policy
,
10669 .flags
= GENL_ADMIN_PERM
,
10670 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10671 NL80211_FLAG_NEED_RTNL
,
10674 .cmd
= NL80211_CMD_ADD_TX_TS
,
10675 .doit
= nl80211_add_tx_ts
,
10676 .policy
= nl80211_policy
,
10677 .flags
= GENL_ADMIN_PERM
,
10678 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10679 NL80211_FLAG_NEED_RTNL
,
10682 .cmd
= NL80211_CMD_DEL_TX_TS
,
10683 .doit
= nl80211_del_tx_ts
,
10684 .policy
= nl80211_policy
,
10685 .flags
= GENL_ADMIN_PERM
,
10686 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10687 NL80211_FLAG_NEED_RTNL
,
10690 .cmd
= NL80211_CMD_TDLS_CHANNEL_SWITCH
,
10691 .doit
= nl80211_tdls_channel_switch
,
10692 .policy
= nl80211_policy
,
10693 .flags
= GENL_ADMIN_PERM
,
10694 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10695 NL80211_FLAG_NEED_RTNL
,
10698 .cmd
= NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH
,
10699 .doit
= nl80211_tdls_cancel_channel_switch
,
10700 .policy
= nl80211_policy
,
10701 .flags
= GENL_ADMIN_PERM
,
10702 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
10703 NL80211_FLAG_NEED_RTNL
,
10707 /* notification functions */
10709 void nl80211_notify_wiphy(struct cfg80211_registered_device
*rdev
,
10710 enum nl80211_commands cmd
)
10712 struct sk_buff
*msg
;
10713 struct nl80211_dump_wiphy_state state
= {};
10715 WARN_ON(cmd
!= NL80211_CMD_NEW_WIPHY
&&
10716 cmd
!= NL80211_CMD_DEL_WIPHY
);
10718 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10722 if (nl80211_send_wiphy(rdev
, cmd
, msg
, 0, 0, 0, &state
) < 0) {
10727 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10728 NL80211_MCGRP_CONFIG
, GFP_KERNEL
);
10731 static int nl80211_add_scan_req(struct sk_buff
*msg
,
10732 struct cfg80211_registered_device
*rdev
)
10734 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
10735 struct nlattr
*nest
;
10741 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
10743 goto nla_put_failure
;
10744 for (i
= 0; i
< req
->n_ssids
; i
++) {
10745 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
10746 goto nla_put_failure
;
10748 nla_nest_end(msg
, nest
);
10750 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
10752 goto nla_put_failure
;
10753 for (i
= 0; i
< req
->n_channels
; i
++) {
10754 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
10755 goto nla_put_failure
;
10757 nla_nest_end(msg
, nest
);
10760 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
10761 goto nla_put_failure
;
10764 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
))
10765 goto nla_put_failure
;
10772 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
10773 struct cfg80211_registered_device
*rdev
,
10774 struct wireless_dev
*wdev
,
10775 u32 portid
, u32 seq
, int flags
,
10780 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10784 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10785 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10786 wdev
->netdev
->ifindex
)) ||
10787 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
10788 goto nla_put_failure
;
10790 /* ignore errors and send incomplete event anyway */
10791 nl80211_add_scan_req(msg
, rdev
);
10793 return genlmsg_end(msg
, hdr
);
10796 genlmsg_cancel(msg
, hdr
);
10801 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
10802 struct cfg80211_registered_device
*rdev
,
10803 struct net_device
*netdev
,
10804 u32 portid
, u32 seq
, int flags
, u32 cmd
)
10808 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
10812 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10813 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10814 goto nla_put_failure
;
10816 return genlmsg_end(msg
, hdr
);
10819 genlmsg_cancel(msg
, hdr
);
10823 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
10824 struct wireless_dev
*wdev
)
10826 struct sk_buff
*msg
;
10828 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10832 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10833 NL80211_CMD_TRIGGER_SCAN
) < 0) {
10838 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10839 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10842 struct sk_buff
*nl80211_build_scan_msg(struct cfg80211_registered_device
*rdev
,
10843 struct wireless_dev
*wdev
, bool aborted
)
10845 struct sk_buff
*msg
;
10847 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10851 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
10852 aborted
? NL80211_CMD_SCAN_ABORTED
:
10853 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
10861 void nl80211_send_scan_result(struct cfg80211_registered_device
*rdev
,
10862 struct sk_buff
*msg
)
10867 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10868 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10871 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
10872 struct net_device
*netdev
)
10874 struct sk_buff
*msg
;
10876 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10880 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
10881 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
10886 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10887 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10890 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
10891 struct net_device
*netdev
, u32 cmd
)
10893 struct sk_buff
*msg
;
10895 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10899 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
10904 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
10905 NL80211_MCGRP_SCAN
, GFP_KERNEL
);
10909 * This can happen on global regulatory changes or device specific settings
10910 * based on custom world regulatory domains.
10912 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
10914 struct sk_buff
*msg
;
10917 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10921 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
10927 /* Userspace can always count this one always being set */
10928 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
10929 goto nla_put_failure
;
10931 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
10932 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10933 NL80211_REGDOM_TYPE_WORLD
))
10934 goto nla_put_failure
;
10935 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
10936 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10937 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
10938 goto nla_put_failure
;
10939 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
10940 request
->intersect
) {
10941 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10942 NL80211_REGDOM_TYPE_INTERSECTION
))
10943 goto nla_put_failure
;
10945 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
10946 NL80211_REGDOM_TYPE_COUNTRY
) ||
10947 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
10949 goto nla_put_failure
;
10952 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
&&
10953 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
10954 goto nla_put_failure
;
10956 genlmsg_end(msg
, hdr
);
10959 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
10960 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
10966 genlmsg_cancel(msg
, hdr
);
10970 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
10971 struct net_device
*netdev
,
10972 const u8
*buf
, size_t len
,
10973 enum nl80211_commands cmd
, gfp_t gfp
,
10976 struct sk_buff
*msg
;
10979 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10983 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10989 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10990 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10991 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
10992 goto nla_put_failure
;
10994 if (uapsd_queues
>= 0) {
10995 struct nlattr
*nla_wmm
=
10996 nla_nest_start(msg
, NL80211_ATTR_STA_WME
);
10998 goto nla_put_failure
;
11000 if (nla_put_u8(msg
, NL80211_STA_WME_UAPSD_QUEUES
,
11002 goto nla_put_failure
;
11004 nla_nest_end(msg
, nla_wmm
);
11007 genlmsg_end(msg
, hdr
);
11009 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11010 NL80211_MCGRP_MLME
, gfp
);
11014 genlmsg_cancel(msg
, hdr
);
11018 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
11019 struct net_device
*netdev
, const u8
*buf
,
11020 size_t len
, gfp_t gfp
)
11022 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11023 NL80211_CMD_AUTHENTICATE
, gfp
, -1);
11026 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
11027 struct net_device
*netdev
, const u8
*buf
,
11028 size_t len
, gfp_t gfp
, int uapsd_queues
)
11030 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11031 NL80211_CMD_ASSOCIATE
, gfp
, uapsd_queues
);
11034 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
11035 struct net_device
*netdev
, const u8
*buf
,
11036 size_t len
, gfp_t gfp
)
11038 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11039 NL80211_CMD_DEAUTHENTICATE
, gfp
, -1);
11042 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
11043 struct net_device
*netdev
, const u8
*buf
,
11044 size_t len
, gfp_t gfp
)
11046 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
11047 NL80211_CMD_DISASSOCIATE
, gfp
, -1);
11050 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
11053 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11054 struct wiphy
*wiphy
= wdev
->wiphy
;
11055 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11056 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
11059 if (WARN_ON(len
< 2))
11062 if (ieee80211_is_deauth(mgmt
->frame_control
))
11063 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
11065 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
11067 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
11068 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
, -1);
11070 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
11072 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
11073 struct net_device
*netdev
, int cmd
,
11074 const u8
*addr
, gfp_t gfp
)
11076 struct sk_buff
*msg
;
11079 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11083 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11089 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11090 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11091 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
11092 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11093 goto nla_put_failure
;
11095 genlmsg_end(msg
, hdr
);
11097 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11098 NL80211_MCGRP_MLME
, gfp
);
11102 genlmsg_cancel(msg
, hdr
);
11106 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
11107 struct net_device
*netdev
, const u8
*addr
,
11110 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
11114 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
11115 struct net_device
*netdev
, const u8
*addr
,
11118 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
11122 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
11123 struct net_device
*netdev
, const u8
*bssid
,
11124 const u8
*req_ie
, size_t req_ie_len
,
11125 const u8
*resp_ie
, size_t resp_ie_len
,
11126 u16 status
, gfp_t gfp
)
11128 struct sk_buff
*msg
;
11131 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11135 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
11141 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11142 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11143 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
11144 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
11146 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11148 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11149 goto nla_put_failure
;
11151 genlmsg_end(msg
, hdr
);
11153 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11154 NL80211_MCGRP_MLME
, gfp
);
11158 genlmsg_cancel(msg
, hdr
);
11163 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
11164 struct net_device
*netdev
, const u8
*bssid
,
11165 const u8
*req_ie
, size_t req_ie_len
,
11166 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
11168 struct sk_buff
*msg
;
11171 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11175 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
11181 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11182 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11183 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
11185 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
11187 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
11188 goto nla_put_failure
;
11190 genlmsg_end(msg
, hdr
);
11192 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11193 NL80211_MCGRP_MLME
, gfp
);
11197 genlmsg_cancel(msg
, hdr
);
11202 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
11203 struct net_device
*netdev
, u16 reason
,
11204 const u8
*ie
, size_t ie_len
, bool from_ap
)
11206 struct sk_buff
*msg
;
11209 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11213 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
11219 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11220 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11221 (from_ap
&& reason
&&
11222 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
11224 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
11225 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11226 goto nla_put_failure
;
11228 genlmsg_end(msg
, hdr
);
11230 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11231 NL80211_MCGRP_MLME
, GFP_KERNEL
);
11235 genlmsg_cancel(msg
, hdr
);
11240 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
11241 struct net_device
*netdev
, const u8
*bssid
,
11244 struct sk_buff
*msg
;
11247 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11251 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
11257 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11258 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11259 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
11260 goto nla_put_failure
;
11262 genlmsg_end(msg
, hdr
);
11264 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11265 NL80211_MCGRP_MLME
, gfp
);
11269 genlmsg_cancel(msg
, hdr
);
11273 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
11274 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
11276 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11277 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11278 struct sk_buff
*msg
;
11281 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
11284 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
11286 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11290 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
11296 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11297 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11298 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11300 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
11301 goto nla_put_failure
;
11303 genlmsg_end(msg
, hdr
);
11305 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11306 NL80211_MCGRP_MLME
, gfp
);
11310 genlmsg_cancel(msg
, hdr
);
11313 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
11315 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
11316 struct net_device
*netdev
, const u8
*addr
,
11317 enum nl80211_key_type key_type
, int key_id
,
11318 const u8
*tsc
, gfp_t gfp
)
11320 struct sk_buff
*msg
;
11323 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11327 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
11333 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11334 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11335 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
11336 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
11338 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
11339 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
11340 goto nla_put_failure
;
11342 genlmsg_end(msg
, hdr
);
11344 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11345 NL80211_MCGRP_MLME
, gfp
);
11349 genlmsg_cancel(msg
, hdr
);
11353 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
11354 struct ieee80211_channel
*channel_before
,
11355 struct ieee80211_channel
*channel_after
)
11357 struct sk_buff
*msg
;
11359 struct nlattr
*nl_freq
;
11361 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
11365 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
11372 * Since we are applying the beacon hint to a wiphy we know its
11373 * wiphy_idx is valid
11375 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
11376 goto nla_put_failure
;
11379 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
11381 goto nla_put_failure
;
11382 if (nl80211_msg_put_channel(msg
, channel_before
, false))
11383 goto nla_put_failure
;
11384 nla_nest_end(msg
, nl_freq
);
11387 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
11389 goto nla_put_failure
;
11390 if (nl80211_msg_put_channel(msg
, channel_after
, false))
11391 goto nla_put_failure
;
11392 nla_nest_end(msg
, nl_freq
);
11394 genlmsg_end(msg
, hdr
);
11397 genlmsg_multicast_allns(&nl80211_fam
, msg
, 0,
11398 NL80211_MCGRP_REGULATORY
, GFP_ATOMIC
);
11404 genlmsg_cancel(msg
, hdr
);
11408 static void nl80211_send_remain_on_chan_event(
11409 int cmd
, struct cfg80211_registered_device
*rdev
,
11410 struct wireless_dev
*wdev
, u64 cookie
,
11411 struct ieee80211_channel
*chan
,
11412 unsigned int duration
, gfp_t gfp
)
11414 struct sk_buff
*msg
;
11417 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11421 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11427 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11428 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11429 wdev
->netdev
->ifindex
)) ||
11430 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11431 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
11432 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
11433 NL80211_CHAN_NO_HT
) ||
11434 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
11435 goto nla_put_failure
;
11437 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
11438 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
11439 goto nla_put_failure
;
11441 genlmsg_end(msg
, hdr
);
11443 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11444 NL80211_MCGRP_MLME
, gfp
);
11448 genlmsg_cancel(msg
, hdr
);
11452 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
11453 struct ieee80211_channel
*chan
,
11454 unsigned int duration
, gfp_t gfp
)
11456 struct wiphy
*wiphy
= wdev
->wiphy
;
11457 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11459 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
11460 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
11461 rdev
, wdev
, cookie
, chan
,
11464 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
11466 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
11467 struct ieee80211_channel
*chan
,
11470 struct wiphy
*wiphy
= wdev
->wiphy
;
11471 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11473 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
11474 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
11475 rdev
, wdev
, cookie
, chan
, 0, gfp
);
11477 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
11479 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
11480 struct station_info
*sinfo
, gfp_t gfp
)
11482 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11483 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11484 struct sk_buff
*msg
;
11486 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
11488 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11492 if (nl80211_send_station(msg
, 0, 0, 0,
11493 rdev
, dev
, mac_addr
, sinfo
) < 0) {
11498 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11499 NL80211_MCGRP_MLME
, gfp
);
11501 EXPORT_SYMBOL(cfg80211_new_sta
);
11503 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
11505 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11506 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11507 struct sk_buff
*msg
;
11510 trace_cfg80211_del_sta(dev
, mac_addr
);
11512 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11516 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
11522 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11523 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
11524 goto nla_put_failure
;
11526 genlmsg_end(msg
, hdr
);
11528 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11529 NL80211_MCGRP_MLME
, gfp
);
11533 genlmsg_cancel(msg
, hdr
);
11536 EXPORT_SYMBOL(cfg80211_del_sta
);
11538 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
11539 enum nl80211_connect_failed_reason reason
,
11542 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
11543 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11544 struct sk_buff
*msg
;
11547 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11551 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
11557 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11558 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
11559 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
11560 goto nla_put_failure
;
11562 genlmsg_end(msg
, hdr
);
11564 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11565 NL80211_MCGRP_MLME
, gfp
);
11569 genlmsg_cancel(msg
, hdr
);
11572 EXPORT_SYMBOL(cfg80211_conn_failed
);
11574 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
11575 const u8
*addr
, gfp_t gfp
)
11577 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11578 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
11579 struct sk_buff
*msg
;
11581 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
11586 msg
= nlmsg_new(100, gfp
);
11590 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
11596 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11597 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11598 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
11599 goto nla_put_failure
;
11601 genlmsg_end(msg
, hdr
);
11602 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11606 genlmsg_cancel(msg
, hdr
);
11611 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
11612 const u8
*addr
, gfp_t gfp
)
11614 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11617 trace_cfg80211_rx_spurious_frame(dev
, addr
);
11619 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11620 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
11621 trace_cfg80211_return_bool(false);
11624 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
11626 trace_cfg80211_return_bool(ret
);
11629 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
11631 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
11632 const u8
*addr
, gfp_t gfp
)
11634 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11637 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
11639 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
11640 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
11641 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
11642 trace_cfg80211_return_bool(false);
11645 ret
= __nl80211_unexpected_frame(dev
,
11646 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
11648 trace_cfg80211_return_bool(ret
);
11651 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
11653 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
11654 struct wireless_dev
*wdev
, u32 nlportid
,
11655 int freq
, int sig_dbm
,
11656 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
11658 struct net_device
*netdev
= wdev
->netdev
;
11659 struct sk_buff
*msg
;
11662 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11666 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11672 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11673 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11674 netdev
->ifindex
)) ||
11675 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11676 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
11678 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11679 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11681 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
11682 goto nla_put_failure
;
11684 genlmsg_end(msg
, hdr
);
11686 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11689 genlmsg_cancel(msg
, hdr
);
11694 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
11695 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
11697 struct wiphy
*wiphy
= wdev
->wiphy
;
11698 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11699 struct net_device
*netdev
= wdev
->netdev
;
11700 struct sk_buff
*msg
;
11703 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
11705 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11709 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
11715 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11716 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11717 netdev
->ifindex
)) ||
11718 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
11719 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
11720 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11721 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11722 goto nla_put_failure
;
11724 genlmsg_end(msg
, hdr
);
11726 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11727 NL80211_MCGRP_MLME
, gfp
);
11731 genlmsg_cancel(msg
, hdr
);
11734 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
11736 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
11737 enum nl80211_cqm_rssi_threshold_event rssi_event
,
11740 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11741 struct wiphy
*wiphy
= wdev
->wiphy
;
11742 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11743 struct sk_buff
*msg
;
11744 struct nlattr
*pinfoattr
;
11747 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
11749 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11753 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11759 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11760 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
11761 goto nla_put_failure
;
11763 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11765 goto nla_put_failure
;
11767 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
11769 goto nla_put_failure
;
11771 nla_nest_end(msg
, pinfoattr
);
11773 genlmsg_end(msg
, hdr
);
11775 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11776 NL80211_MCGRP_MLME
, gfp
);
11780 genlmsg_cancel(msg
, hdr
);
11783 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
11785 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
11786 struct net_device
*netdev
, const u8
*bssid
,
11787 const u8
*replay_ctr
, gfp_t gfp
)
11789 struct sk_buff
*msg
;
11790 struct nlattr
*rekey_attr
;
11793 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11797 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
11803 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11804 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11805 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
11806 goto nla_put_failure
;
11808 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
11810 goto nla_put_failure
;
11812 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
11813 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
11814 goto nla_put_failure
;
11816 nla_nest_end(msg
, rekey_attr
);
11818 genlmsg_end(msg
, hdr
);
11820 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11821 NL80211_MCGRP_MLME
, gfp
);
11825 genlmsg_cancel(msg
, hdr
);
11829 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
11830 const u8
*replay_ctr
, gfp_t gfp
)
11832 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11833 struct wiphy
*wiphy
= wdev
->wiphy
;
11834 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11836 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
11837 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
11839 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
11842 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
11843 struct net_device
*netdev
, int index
,
11844 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11846 struct sk_buff
*msg
;
11847 struct nlattr
*attr
;
11850 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11854 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
11860 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11861 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11862 goto nla_put_failure
;
11864 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
11866 goto nla_put_failure
;
11868 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
11869 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
11871 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
11872 goto nla_put_failure
;
11874 nla_nest_end(msg
, attr
);
11876 genlmsg_end(msg
, hdr
);
11878 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11879 NL80211_MCGRP_MLME
, gfp
);
11883 genlmsg_cancel(msg
, hdr
);
11887 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
11888 const u8
*bssid
, bool preauth
, gfp_t gfp
)
11890 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11891 struct wiphy
*wiphy
= wdev
->wiphy
;
11892 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11894 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
11895 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
11897 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
11899 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
11900 struct net_device
*netdev
,
11901 struct cfg80211_chan_def
*chandef
,
11903 enum nl80211_commands notif
,
11906 struct sk_buff
*msg
;
11909 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11913 hdr
= nl80211hdr_put(msg
, 0, 0, 0, notif
);
11919 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
11920 goto nla_put_failure
;
11922 if (nl80211_send_chandef(msg
, chandef
))
11923 goto nla_put_failure
;
11925 if ((notif
== NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
) &&
11926 (nla_put_u32(msg
, NL80211_ATTR_CH_SWITCH_COUNT
, count
)))
11927 goto nla_put_failure
;
11929 genlmsg_end(msg
, hdr
);
11931 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
11932 NL80211_MCGRP_MLME
, gfp
);
11936 genlmsg_cancel(msg
, hdr
);
11940 void cfg80211_ch_switch_notify(struct net_device
*dev
,
11941 struct cfg80211_chan_def
*chandef
)
11943 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11944 struct wiphy
*wiphy
= wdev
->wiphy
;
11945 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11947 ASSERT_WDEV_LOCK(wdev
);
11949 trace_cfg80211_ch_switch_notify(dev
, chandef
);
11951 wdev
->chandef
= *chandef
;
11952 wdev
->preset_chandef
= *chandef
;
11953 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
11954 NL80211_CMD_CH_SWITCH_NOTIFY
, 0);
11956 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
11958 void cfg80211_ch_switch_started_notify(struct net_device
*dev
,
11959 struct cfg80211_chan_def
*chandef
,
11962 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11963 struct wiphy
*wiphy
= wdev
->wiphy
;
11964 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11966 trace_cfg80211_ch_switch_started_notify(dev
, chandef
);
11968 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
,
11969 NL80211_CMD_CH_SWITCH_STARTED_NOTIFY
, count
);
11971 EXPORT_SYMBOL(cfg80211_ch_switch_started_notify
);
11973 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
11974 const u8
*peer
, u32 num_packets
,
11975 u32 rate
, u32 intvl
, gfp_t gfp
)
11977 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11978 struct wiphy
*wiphy
= wdev
->wiphy
;
11979 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
11980 struct sk_buff
*msg
;
11981 struct nlattr
*pinfoattr
;
11984 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
11988 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11994 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11995 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11996 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
11997 goto nla_put_failure
;
11999 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
12001 goto nla_put_failure
;
12003 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
12004 goto nla_put_failure
;
12006 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
12007 goto nla_put_failure
;
12009 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
12010 goto nla_put_failure
;
12012 nla_nest_end(msg
, pinfoattr
);
12014 genlmsg_end(msg
, hdr
);
12016 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12017 NL80211_MCGRP_MLME
, gfp
);
12021 genlmsg_cancel(msg
, hdr
);
12024 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
12027 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
12028 const struct cfg80211_chan_def
*chandef
,
12029 enum nl80211_radar_event event
,
12030 struct net_device
*netdev
, gfp_t gfp
)
12032 struct sk_buff
*msg
;
12035 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12039 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
12045 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
12046 goto nla_put_failure
;
12048 /* NOP and radar events don't need a netdev parameter */
12050 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
12052 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12053 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12054 goto nla_put_failure
;
12057 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
12058 goto nla_put_failure
;
12060 if (nl80211_send_chandef(msg
, chandef
))
12061 goto nla_put_failure
;
12063 genlmsg_end(msg
, hdr
);
12065 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12066 NL80211_MCGRP_MLME
, gfp
);
12070 genlmsg_cancel(msg
, hdr
);
12074 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
12075 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
12077 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12078 struct wiphy
*wiphy
= wdev
->wiphy
;
12079 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12080 struct sk_buff
*msg
;
12081 struct nlattr
*pinfoattr
;
12084 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
12086 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12090 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
12096 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12097 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12098 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
12099 goto nla_put_failure
;
12101 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
12103 goto nla_put_failure
;
12105 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
12106 goto nla_put_failure
;
12108 nla_nest_end(msg
, pinfoattr
);
12110 genlmsg_end(msg
, hdr
);
12112 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12113 NL80211_MCGRP_MLME
, gfp
);
12117 genlmsg_cancel(msg
, hdr
);
12120 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
12122 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
12123 u64 cookie
, bool acked
, gfp_t gfp
)
12125 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12126 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12127 struct sk_buff
*msg
;
12130 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
12132 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12137 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
12143 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12144 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12145 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
12146 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
12147 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
12148 goto nla_put_failure
;
12150 genlmsg_end(msg
, hdr
);
12152 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12153 NL80211_MCGRP_MLME
, gfp
);
12157 genlmsg_cancel(msg
, hdr
);
12160 EXPORT_SYMBOL(cfg80211_probe_status
);
12162 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
12163 const u8
*frame
, size_t len
,
12164 int freq
, int sig_dbm
)
12166 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12167 struct sk_buff
*msg
;
12169 struct cfg80211_beacon_registration
*reg
;
12171 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
12173 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12174 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
12175 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
12177 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12181 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
12183 goto nla_put_failure
;
12185 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12187 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
12189 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
12190 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
12191 goto nla_put_failure
;
12193 genlmsg_end(msg
, hdr
);
12195 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
12197 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12201 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12203 genlmsg_cancel(msg
, hdr
);
12206 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
12209 static int cfg80211_net_detect_results(struct sk_buff
*msg
,
12210 struct cfg80211_wowlan_wakeup
*wakeup
)
12212 struct cfg80211_wowlan_nd_info
*nd
= wakeup
->net_detect
;
12213 struct nlattr
*nl_results
, *nl_match
, *nl_freqs
;
12216 nl_results
= nla_nest_start(
12217 msg
, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS
);
12221 for (i
= 0; i
< nd
->n_matches
; i
++) {
12222 struct cfg80211_wowlan_nd_match
*match
= nd
->matches
[i
];
12224 nl_match
= nla_nest_start(msg
, i
);
12228 /* The SSID attribute is optional in nl80211, but for
12229 * simplicity reasons it's always present in the
12230 * cfg80211 structure. If a driver can't pass the
12231 * SSID, that needs to be changed. A zero length SSID
12232 * is still a valid SSID (wildcard), so it cannot be
12233 * used for this purpose.
12235 if (nla_put(msg
, NL80211_ATTR_SSID
, match
->ssid
.ssid_len
,
12236 match
->ssid
.ssid
)) {
12237 nla_nest_cancel(msg
, nl_match
);
12241 if (match
->n_channels
) {
12242 nl_freqs
= nla_nest_start(
12243 msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
12245 nla_nest_cancel(msg
, nl_match
);
12249 for (j
= 0; j
< match
->n_channels
; j
++) {
12250 if (nla_put_u32(msg
,
12251 NL80211_ATTR_WIPHY_FREQ
,
12252 match
->channels
[j
])) {
12253 nla_nest_cancel(msg
, nl_freqs
);
12254 nla_nest_cancel(msg
, nl_match
);
12259 nla_nest_end(msg
, nl_freqs
);
12262 nla_nest_end(msg
, nl_match
);
12266 nla_nest_end(msg
, nl_results
);
12270 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
12271 struct cfg80211_wowlan_wakeup
*wakeup
,
12274 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12275 struct sk_buff
*msg
;
12279 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
12282 size
+= wakeup
->packet_present_len
;
12284 msg
= nlmsg_new(size
, gfp
);
12288 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
12292 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12293 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12296 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
12297 wdev
->netdev
->ifindex
))
12301 struct nlattr
*reasons
;
12303 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
12307 if (wakeup
->disconnect
&&
12308 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
12310 if (wakeup
->magic_pkt
&&
12311 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
12313 if (wakeup
->gtk_rekey_failure
&&
12314 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
12316 if (wakeup
->eap_identity_req
&&
12317 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
12319 if (wakeup
->four_way_handshake
&&
12320 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
12322 if (wakeup
->rfkill_release
&&
12323 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
12326 if (wakeup
->pattern_idx
>= 0 &&
12327 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
12328 wakeup
->pattern_idx
))
12331 if (wakeup
->tcp_match
&&
12332 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
))
12335 if (wakeup
->tcp_connlost
&&
12336 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
))
12339 if (wakeup
->tcp_nomoretokens
&&
12341 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
))
12344 if (wakeup
->packet
) {
12345 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
12346 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
12348 if (!wakeup
->packet_80211
) {
12350 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
12352 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
12355 if (wakeup
->packet_len
&&
12356 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
12359 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
12364 if (wakeup
->net_detect
&&
12365 cfg80211_net_detect_results(msg
, wakeup
))
12368 nla_nest_end(msg
, reasons
);
12371 genlmsg_end(msg
, hdr
);
12373 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12374 NL80211_MCGRP_MLME
, gfp
);
12380 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
12383 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
12384 enum nl80211_tdls_operation oper
,
12385 u16 reason_code
, gfp_t gfp
)
12387 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
12388 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wdev
->wiphy
);
12389 struct sk_buff
*msg
;
12392 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
12395 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12399 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
12405 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12406 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
12407 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
12408 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
12409 (reason_code
> 0 &&
12410 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
12411 goto nla_put_failure
;
12413 genlmsg_end(msg
, hdr
);
12415 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12416 NL80211_MCGRP_MLME
, gfp
);
12420 genlmsg_cancel(msg
, hdr
);
12423 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
12425 static int nl80211_netlink_notify(struct notifier_block
* nb
,
12426 unsigned long state
,
12429 struct netlink_notify
*notify
= _notify
;
12430 struct cfg80211_registered_device
*rdev
;
12431 struct wireless_dev
*wdev
;
12432 struct cfg80211_beacon_registration
*reg
, *tmp
;
12434 if (state
!= NETLINK_URELEASE
)
12435 return NOTIFY_DONE
;
12439 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
12440 bool schedule_destroy_work
= false;
12442 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
) {
12443 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
12445 if (wdev
->owner_nlportid
== notify
->portid
)
12446 schedule_destroy_work
= true;
12449 spin_lock_bh(&rdev
->beacon_registrations_lock
);
12450 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
12452 if (reg
->nlportid
== notify
->portid
) {
12453 list_del(®
->list
);
12458 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
12460 if (schedule_destroy_work
) {
12461 struct cfg80211_iface_destroy
*destroy
;
12463 destroy
= kzalloc(sizeof(*destroy
), GFP_ATOMIC
);
12465 destroy
->nlportid
= notify
->portid
;
12466 spin_lock(&rdev
->destroy_list_lock
);
12467 list_add(&destroy
->list
, &rdev
->destroy_list
);
12468 spin_unlock(&rdev
->destroy_list_lock
);
12469 schedule_work(&rdev
->destroy_work
);
12479 static struct notifier_block nl80211_netlink_notifier
= {
12480 .notifier_call
= nl80211_netlink_notify
,
12483 void cfg80211_ft_event(struct net_device
*netdev
,
12484 struct cfg80211_ft_event_params
*ft_event
)
12486 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
12487 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12488 struct sk_buff
*msg
;
12491 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
12493 if (!ft_event
->target_ap
)
12496 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12500 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
12504 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12505 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
12506 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
))
12509 if (ft_event
->ies
&&
12510 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
))
12512 if (ft_event
->ric_ies
&&
12513 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
12514 ft_event
->ric_ies
))
12517 genlmsg_end(msg
, hdr
);
12519 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(&rdev
->wiphy
), msg
, 0,
12520 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12525 EXPORT_SYMBOL(cfg80211_ft_event
);
12527 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
12529 struct cfg80211_registered_device
*rdev
;
12530 struct sk_buff
*msg
;
12534 rdev
= wiphy_to_rdev(wdev
->wiphy
);
12535 if (!rdev
->crit_proto_nlportid
)
12538 nlportid
= rdev
->crit_proto_nlportid
;
12539 rdev
->crit_proto_nlportid
= 0;
12541 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
12545 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
12547 goto nla_put_failure
;
12549 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12550 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12551 goto nla_put_failure
;
12553 genlmsg_end(msg
, hdr
);
12555 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
12560 genlmsg_cancel(msg
, hdr
);
12564 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
12566 void nl80211_send_ap_stopped(struct wireless_dev
*wdev
)
12568 struct wiphy
*wiphy
= wdev
->wiphy
;
12569 struct cfg80211_registered_device
*rdev
= wiphy_to_rdev(wiphy
);
12570 struct sk_buff
*msg
;
12573 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
12577 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_STOP_AP
);
12581 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
12582 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
) ||
12583 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
12586 genlmsg_end(msg
, hdr
);
12588 genlmsg_multicast_netns(&nl80211_fam
, wiphy_net(wiphy
), msg
, 0,
12589 NL80211_MCGRP_MLME
, GFP_KERNEL
);
12595 /* initialisation/exit functions */
12597 int nl80211_init(void)
12601 err
= genl_register_family_with_ops_groups(&nl80211_fam
, nl80211_ops
,
12606 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
12612 genl_unregister_family(&nl80211_fam
);
12616 void nl80211_exit(void)
12618 netlink_unregister_notifier(&nl80211_netlink_notifier
);
12619 genl_unregister_family(&nl80211_fam
);