2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
8 #include <linux/module.h>
10 #include <linux/slab.h>
11 #include <linux/list.h>
12 #include <linux/if_ether.h>
13 #include <linux/ieee80211.h>
14 #include <linux/nl80211.h>
15 #include <linux/rtnetlink.h>
16 #include <linux/netlink.h>
17 #include <linux/etherdevice.h>
18 #include <net/net_namespace.h>
19 #include <net/genetlink.h>
20 #include <net/cfg80211.h>
26 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type
);
27 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
28 struct genl_info
*info
,
29 struct cfg80211_crypto_settings
*settings
,
32 static int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
33 struct genl_info
*info
);
34 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
35 struct genl_info
*info
);
37 /* the netlink family */
38 static struct genl_family nl80211_fam
= {
39 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
40 .name
= "nl80211", /* have users key off the name instead */
41 .hdrsize
= 0, /* no private header */
42 .version
= 1, /* no particular meaning now */
43 .maxattr
= NL80211_ATTR_MAX
,
45 .pre_doit
= nl80211_pre_doit
,
46 .post_doit
= nl80211_post_doit
,
49 /* returns ERR_PTR values */
50 static struct wireless_dev
*
51 __cfg80211_wdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
53 struct cfg80211_registered_device
*rdev
;
54 struct wireless_dev
*result
= NULL
;
55 bool have_ifidx
= attrs
[NL80211_ATTR_IFINDEX
];
56 bool have_wdev_id
= attrs
[NL80211_ATTR_WDEV
];
61 assert_cfg80211_lock();
63 if (!have_ifidx
&& !have_wdev_id
)
64 return ERR_PTR(-EINVAL
);
67 ifidx
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
69 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
70 wiphy_idx
= wdev_id
>> 32;
73 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
74 struct wireless_dev
*wdev
;
76 if (wiphy_net(&rdev
->wiphy
) != netns
)
79 if (have_wdev_id
&& rdev
->wiphy_idx
!= wiphy_idx
)
82 mutex_lock(&rdev
->devlist_mtx
);
83 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
84 if (have_ifidx
&& wdev
->netdev
&&
85 wdev
->netdev
->ifindex
== ifidx
) {
89 if (have_wdev_id
&& wdev
->identifier
== (u32
)wdev_id
) {
94 mutex_unlock(&rdev
->devlist_mtx
);
102 return ERR_PTR(-ENODEV
);
105 static struct cfg80211_registered_device
*
106 __cfg80211_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
108 struct cfg80211_registered_device
*rdev
= NULL
, *tmp
;
109 struct net_device
*netdev
;
111 assert_cfg80211_lock();
113 if (!attrs
[NL80211_ATTR_WIPHY
] &&
114 !attrs
[NL80211_ATTR_IFINDEX
] &&
115 !attrs
[NL80211_ATTR_WDEV
])
116 return ERR_PTR(-EINVAL
);
118 if (attrs
[NL80211_ATTR_WIPHY
])
119 rdev
= cfg80211_rdev_by_wiphy_idx(
120 nla_get_u32(attrs
[NL80211_ATTR_WIPHY
]));
122 if (attrs
[NL80211_ATTR_WDEV
]) {
123 u64 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
124 struct wireless_dev
*wdev
;
127 tmp
= cfg80211_rdev_by_wiphy_idx(wdev_id
>> 32);
129 /* make sure wdev exists */
130 mutex_lock(&tmp
->devlist_mtx
);
131 list_for_each_entry(wdev
, &tmp
->wdev_list
, list
) {
132 if (wdev
->identifier
!= (u32
)wdev_id
)
137 mutex_unlock(&tmp
->devlist_mtx
);
142 if (rdev
&& tmp
!= rdev
)
143 return ERR_PTR(-EINVAL
);
148 if (attrs
[NL80211_ATTR_IFINDEX
]) {
149 int ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
150 netdev
= dev_get_by_index(netns
, ifindex
);
152 if (netdev
->ieee80211_ptr
)
154 netdev
->ieee80211_ptr
->wiphy
);
160 /* not wireless device -- return error */
162 return ERR_PTR(-EINVAL
);
164 /* mismatch -- return error */
165 if (rdev
&& tmp
!= rdev
)
166 return ERR_PTR(-EINVAL
);
173 return ERR_PTR(-ENODEV
);
175 if (netns
!= wiphy_net(&rdev
->wiphy
))
176 return ERR_PTR(-ENODEV
);
182 * This function returns a pointer to the driver
183 * that the genl_info item that is passed refers to.
184 * If successful, it returns non-NULL and also locks
185 * the driver's mutex!
187 * This means that you need to call cfg80211_unlock_rdev()
188 * before being allowed to acquire &cfg80211_mutex!
190 * This is necessary because we need to lock the global
191 * mutex to get an item off the list safely, and then
192 * we lock the rdev mutex so it doesn't go away under us.
194 * We don't want to keep cfg80211_mutex locked
195 * for all the time in order to allow requests on
196 * other interfaces to go through at the same time.
198 * The result of this can be a PTR_ERR and hence must
199 * be checked with IS_ERR() for errors.
201 static struct cfg80211_registered_device
*
202 cfg80211_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
204 struct cfg80211_registered_device
*rdev
;
206 mutex_lock(&cfg80211_mutex
);
207 rdev
= __cfg80211_rdev_from_attrs(netns
, info
->attrs
);
209 /* if it is not an error we grab the lock on
210 * it to assure it won't be going away while
211 * we operate on it */
213 mutex_lock(&rdev
->mtx
);
215 mutex_unlock(&cfg80211_mutex
);
220 /* policy for the attributes */
221 static const struct nla_policy nl80211_policy
[NL80211_ATTR_MAX
+1] = {
222 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
223 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
225 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
226 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
227 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
228 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
229 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
230 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
231 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
232 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
234 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
235 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
236 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
238 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
239 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
241 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
242 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
243 .len
= WLAN_MAX_KEY_LEN
},
244 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
245 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
246 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
247 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
248 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
250 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
251 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
252 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
253 .len
= IEEE80211_MAX_DATA_LEN
},
254 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
255 .len
= IEEE80211_MAX_DATA_LEN
},
256 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
257 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
258 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
259 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
260 .len
= NL80211_MAX_SUPP_RATES
},
261 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
262 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
263 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
264 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
265 .len
= IEEE80211_MAX_MESH_ID_LEN
},
266 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
268 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
269 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
271 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
272 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
273 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
274 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
275 .len
= NL80211_MAX_SUPP_RATES
},
276 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
278 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
279 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
281 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
283 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
284 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
285 .len
= IEEE80211_MAX_DATA_LEN
},
286 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
287 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
289 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
290 .len
= IEEE80211_MAX_SSID_LEN
},
291 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
292 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
293 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
294 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
295 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
296 [NL80211_ATTR_STA_FLAGS2
] = {
297 .len
= sizeof(struct nl80211_sta_flag_update
),
299 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
300 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
301 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
302 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
303 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
304 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
305 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
306 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
307 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
308 .len
= WLAN_PMKID_LEN
},
309 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
310 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
311 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
312 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
313 .len
= IEEE80211_MAX_DATA_LEN
},
314 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
315 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
316 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
317 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
318 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
319 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
320 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
321 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
322 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
323 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
324 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
325 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
326 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
327 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
328 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
329 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
330 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
331 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
332 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
333 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
334 .len
= IEEE80211_MAX_DATA_LEN
},
335 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
336 .len
= IEEE80211_MAX_DATA_LEN
},
337 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
338 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
339 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
340 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
341 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
342 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
343 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
344 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
345 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
346 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
347 .len
= IEEE80211_MAX_DATA_LEN
},
348 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
349 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
350 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
351 .len
= NL80211_HT_CAPABILITY_LEN
353 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
354 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
355 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
356 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
357 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
360 /* policy for the key attributes */
361 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
362 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
363 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
364 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
365 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
366 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
367 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
368 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
369 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
372 /* policy for the key default flags */
373 static const struct nla_policy
374 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
375 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
376 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
379 /* policy for WoWLAN attributes */
380 static const struct nla_policy
381 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
382 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
383 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
384 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
385 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
386 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
387 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
388 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
389 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
392 /* policy for GTK rekey offload attributes */
393 static const struct nla_policy
394 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
395 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
396 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
397 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
400 static const struct nla_policy
401 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
402 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
403 .len
= IEEE80211_MAX_SSID_LEN
},
404 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
407 /* ifidx get helper */
408 static int nl80211_get_ifidx(struct netlink_callback
*cb
)
412 res
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
413 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
418 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
421 res
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
427 static int nl80211_prepare_netdev_dump(struct sk_buff
*skb
,
428 struct netlink_callback
*cb
,
429 struct cfg80211_registered_device
**rdev
,
430 struct net_device
**dev
)
432 int ifidx
= cb
->args
[0];
436 ifidx
= nl80211_get_ifidx(cb
);
444 *dev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
450 *rdev
= cfg80211_get_dev_from_ifindex(sock_net(skb
->sk
), ifidx
);
452 err
= PTR_ERR(*rdev
);
462 static void nl80211_finish_netdev_dump(struct cfg80211_registered_device
*rdev
)
464 cfg80211_unlock_rdev(rdev
);
469 static bool is_valid_ie_attr(const struct nlattr
*attr
)
477 pos
= nla_data(attr
);
498 /* message building helper */
499 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 pid
, u32 seq
,
502 /* since there is no private header just add the generic one */
503 return genlmsg_put(skb
, pid
, seq
, &nl80211_fam
, flags
, cmd
);
506 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
507 struct ieee80211_channel
*chan
)
509 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
511 goto nla_put_failure
;
513 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
514 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
515 goto nla_put_failure
;
516 if ((chan
->flags
& IEEE80211_CHAN_PASSIVE_SCAN
) &&
517 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
))
518 goto nla_put_failure
;
519 if ((chan
->flags
& IEEE80211_CHAN_NO_IBSS
) &&
520 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IBSS
))
521 goto nla_put_failure
;
522 if ((chan
->flags
& IEEE80211_CHAN_RADAR
) &&
523 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
524 goto nla_put_failure
;
526 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
527 DBM_TO_MBM(chan
->max_power
)))
528 goto nla_put_failure
;
536 /* netlink command implementations */
543 bool def_uni
, def_multi
;
546 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
548 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
549 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
554 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
555 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
564 if (tb
[NL80211_KEY_IDX
])
565 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
567 if (tb
[NL80211_KEY_DATA
]) {
568 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
569 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
572 if (tb
[NL80211_KEY_SEQ
]) {
573 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
574 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
577 if (tb
[NL80211_KEY_CIPHER
])
578 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
580 if (tb
[NL80211_KEY_TYPE
]) {
581 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
582 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
586 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
587 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
588 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
589 tb
[NL80211_KEY_DEFAULT_TYPES
],
590 nl80211_key_default_policy
);
594 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
595 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
601 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
603 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
604 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
605 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
608 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
609 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
610 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
613 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
614 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
616 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
617 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
619 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
620 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
629 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
630 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
631 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
635 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
636 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
637 int err
= nla_parse_nested(
638 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
639 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
640 nl80211_key_default_policy
);
644 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
645 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
651 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
655 memset(k
, 0, sizeof(*k
));
659 if (info
->attrs
[NL80211_ATTR_KEY
])
660 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
662 err
= nl80211_parse_key_old(info
, k
);
667 if (k
->def
&& k
->defmgmt
)
671 if (k
->def_uni
|| !k
->def_multi
)
677 if (k
->idx
< 4 || k
->idx
> 5)
680 if (k
->idx
< 0 || k
->idx
> 3)
683 if (k
->idx
< 0 || k
->idx
> 5)
691 static struct cfg80211_cached_keys
*
692 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
695 struct key_parse parse
;
697 struct cfg80211_cached_keys
*result
;
698 int rem
, err
, def
= 0;
700 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
702 return ERR_PTR(-ENOMEM
);
705 result
->defmgmt
= -1;
707 nla_for_each_nested(key
, keys
, rem
) {
708 memset(&parse
, 0, sizeof(parse
));
711 err
= nl80211_parse_key_new(key
, &parse
);
717 if (parse
.idx
< 0 || parse
.idx
> 4)
723 result
->def
= parse
.idx
;
724 if (!parse
.def_uni
|| !parse
.def_multi
)
726 } else if (parse
.defmgmt
)
728 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
729 parse
.idx
, false, NULL
);
732 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
733 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
734 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
735 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
744 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
746 ASSERT_WDEV_LOCK(wdev
);
748 switch (wdev
->iftype
) {
749 case NL80211_IFTYPE_AP
:
750 case NL80211_IFTYPE_AP_VLAN
:
751 case NL80211_IFTYPE_P2P_GO
:
752 case NL80211_IFTYPE_MESH_POINT
:
754 case NL80211_IFTYPE_ADHOC
:
755 if (!wdev
->current_bss
)
758 case NL80211_IFTYPE_STATION
:
759 case NL80211_IFTYPE_P2P_CLIENT
:
760 if (wdev
->sme_state
!= CFG80211_SME_CONNECTED
)
770 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
772 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
776 goto nla_put_failure
;
780 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
781 goto nla_put_failure
;
786 nla_nest_end(msg
, nl_modes
);
793 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
796 struct nlattr
*nl_combis
;
799 nl_combis
= nla_nest_start(msg
,
800 NL80211_ATTR_INTERFACE_COMBINATIONS
);
802 goto nla_put_failure
;
804 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
805 const struct ieee80211_iface_combination
*c
;
806 struct nlattr
*nl_combi
, *nl_limits
;
808 c
= &wiphy
->iface_combinations
[i
];
810 nl_combi
= nla_nest_start(msg
, i
+ 1);
812 goto nla_put_failure
;
814 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
816 goto nla_put_failure
;
818 for (j
= 0; j
< c
->n_limits
; j
++) {
819 struct nlattr
*nl_limit
;
821 nl_limit
= nla_nest_start(msg
, j
+ 1);
823 goto nla_put_failure
;
824 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
826 goto nla_put_failure
;
827 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
829 goto nla_put_failure
;
830 nla_nest_end(msg
, nl_limit
);
833 nla_nest_end(msg
, nl_limits
);
835 if (c
->beacon_int_infra_match
&&
836 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
837 goto nla_put_failure
;
838 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
839 c
->num_different_channels
) ||
840 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
842 goto nla_put_failure
;
844 nla_nest_end(msg
, nl_combi
);
847 nla_nest_end(msg
, nl_combis
);
854 static int nl80211_send_wiphy(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
855 struct cfg80211_registered_device
*dev
)
858 struct nlattr
*nl_bands
, *nl_band
;
859 struct nlattr
*nl_freqs
, *nl_freq
;
860 struct nlattr
*nl_rates
, *nl_rate
;
861 struct nlattr
*nl_cmds
;
862 enum ieee80211_band band
;
863 struct ieee80211_channel
*chan
;
864 struct ieee80211_rate
*rate
;
866 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
867 dev
->wiphy
.mgmt_stypes
;
869 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_WIPHY
);
873 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, dev
->wiphy_idx
) ||
874 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
, wiphy_name(&dev
->wiphy
)) ||
875 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
876 cfg80211_rdev_list_generation
) ||
877 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
878 dev
->wiphy
.retry_short
) ||
879 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
880 dev
->wiphy
.retry_long
) ||
881 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
882 dev
->wiphy
.frag_threshold
) ||
883 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
884 dev
->wiphy
.rts_threshold
) ||
885 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
886 dev
->wiphy
.coverage_class
) ||
887 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
888 dev
->wiphy
.max_scan_ssids
) ||
889 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
890 dev
->wiphy
.max_sched_scan_ssids
) ||
891 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
892 dev
->wiphy
.max_scan_ie_len
) ||
893 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
894 dev
->wiphy
.max_sched_scan_ie_len
) ||
895 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
896 dev
->wiphy
.max_match_sets
))
897 goto nla_put_failure
;
899 if ((dev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
900 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
901 goto nla_put_failure
;
902 if ((dev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
903 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
904 goto nla_put_failure
;
905 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
906 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
907 goto nla_put_failure
;
908 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
909 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
910 goto nla_put_failure
;
911 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
912 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
913 goto nla_put_failure
;
914 if ((dev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
915 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
916 goto nla_put_failure
;
918 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
919 sizeof(u32
) * dev
->wiphy
.n_cipher_suites
,
920 dev
->wiphy
.cipher_suites
))
921 goto nla_put_failure
;
923 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
924 dev
->wiphy
.max_num_pmkids
))
925 goto nla_put_failure
;
927 if ((dev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
928 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
929 goto nla_put_failure
;
931 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
932 dev
->wiphy
.available_antennas_tx
) ||
933 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
934 dev
->wiphy
.available_antennas_rx
))
935 goto nla_put_failure
;
937 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
938 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
939 dev
->wiphy
.probe_resp_offload
))
940 goto nla_put_failure
;
942 if ((dev
->wiphy
.available_antennas_tx
||
943 dev
->wiphy
.available_antennas_rx
) && dev
->ops
->get_antenna
) {
944 u32 tx_ant
= 0, rx_ant
= 0;
946 res
= dev
->ops
->get_antenna(&dev
->wiphy
, &tx_ant
, &rx_ant
);
948 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_TX
,
950 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_RX
,
952 goto nla_put_failure
;
956 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
957 dev
->wiphy
.interface_modes
))
958 goto nla_put_failure
;
960 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
962 goto nla_put_failure
;
964 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
965 if (!dev
->wiphy
.bands
[band
])
968 nl_band
= nla_nest_start(msg
, band
);
970 goto nla_put_failure
;
973 if (dev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
&&
974 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
975 sizeof(dev
->wiphy
.bands
[band
]->ht_cap
.mcs
),
976 &dev
->wiphy
.bands
[band
]->ht_cap
.mcs
) ||
977 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
978 dev
->wiphy
.bands
[band
]->ht_cap
.cap
) ||
979 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
980 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_factor
) ||
981 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
982 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_density
)))
983 goto nla_put_failure
;
986 if (dev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
&&
987 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
988 sizeof(dev
->wiphy
.bands
[band
]->vht_cap
.vht_mcs
),
989 &dev
->wiphy
.bands
[band
]->vht_cap
.vht_mcs
) ||
990 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
991 dev
->wiphy
.bands
[band
]->vht_cap
.cap
)))
992 goto nla_put_failure
;
994 /* add frequencies */
995 nl_freqs
= nla_nest_start(msg
, NL80211_BAND_ATTR_FREQS
);
997 goto nla_put_failure
;
999 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_channels
; i
++) {
1000 nl_freq
= nla_nest_start(msg
, i
);
1002 goto nla_put_failure
;
1004 chan
= &dev
->wiphy
.bands
[band
]->channels
[i
];
1006 if (nl80211_msg_put_channel(msg
, chan
))
1007 goto nla_put_failure
;
1009 nla_nest_end(msg
, nl_freq
);
1012 nla_nest_end(msg
, nl_freqs
);
1015 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1017 goto nla_put_failure
;
1019 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_bitrates
; i
++) {
1020 nl_rate
= nla_nest_start(msg
, i
);
1022 goto nla_put_failure
;
1024 rate
= &dev
->wiphy
.bands
[band
]->bitrates
[i
];
1025 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1027 goto nla_put_failure
;
1028 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1030 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1031 goto nla_put_failure
;
1033 nla_nest_end(msg
, nl_rate
);
1036 nla_nest_end(msg
, nl_rates
);
1038 nla_nest_end(msg
, nl_band
);
1040 nla_nest_end(msg
, nl_bands
);
1042 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1044 goto nla_put_failure
;
1047 #define CMD(op, n) \
1049 if (dev->ops->op) { \
1051 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1052 goto nla_put_failure; \
1056 CMD(add_virtual_intf
, NEW_INTERFACE
);
1057 CMD(change_virtual_intf
, SET_INTERFACE
);
1058 CMD(add_key
, NEW_KEY
);
1059 CMD(start_ap
, START_AP
);
1060 CMD(add_station
, NEW_STATION
);
1061 CMD(add_mpath
, NEW_MPATH
);
1062 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1063 CMD(change_bss
, SET_BSS
);
1064 CMD(auth
, AUTHENTICATE
);
1065 CMD(assoc
, ASSOCIATE
);
1066 CMD(deauth
, DEAUTHENTICATE
);
1067 CMD(disassoc
, DISASSOCIATE
);
1068 CMD(join_ibss
, JOIN_IBSS
);
1069 CMD(join_mesh
, JOIN_MESH
);
1070 CMD(set_pmksa
, SET_PMKSA
);
1071 CMD(del_pmksa
, DEL_PMKSA
);
1072 CMD(flush_pmksa
, FLUSH_PMKSA
);
1073 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1074 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1075 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1076 CMD(mgmt_tx
, FRAME
);
1077 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1078 if (dev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1080 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1081 goto nla_put_failure
;
1083 if (dev
->ops
->set_monitor_channel
|| dev
->ops
->start_ap
||
1084 dev
->ops
->join_mesh
) {
1086 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1087 goto nla_put_failure
;
1089 CMD(set_wds_peer
, SET_WDS_PEER
);
1090 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1091 CMD(tdls_mgmt
, TDLS_MGMT
);
1092 CMD(tdls_oper
, TDLS_OPER
);
1094 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1095 CMD(sched_scan_start
, START_SCHED_SCAN
);
1096 CMD(probe_client
, PROBE_CLIENT
);
1097 CMD(set_noack_map
, SET_NOACK_MAP
);
1098 if (dev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1100 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1101 goto nla_put_failure
;
1104 #ifdef CONFIG_NL80211_TESTMODE
1105 CMD(testmode_cmd
, TESTMODE
);
1110 if (dev
->ops
->connect
|| dev
->ops
->auth
) {
1112 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1113 goto nla_put_failure
;
1116 if (dev
->ops
->disconnect
|| dev
->ops
->deauth
) {
1118 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1119 goto nla_put_failure
;
1122 nla_nest_end(msg
, nl_cmds
);
1124 if (dev
->ops
->remain_on_channel
&&
1125 (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1126 nla_put_u32(msg
, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1127 dev
->wiphy
.max_remain_on_channel_duration
))
1128 goto nla_put_failure
;
1130 if ((dev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1131 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1132 goto nla_put_failure
;
1136 struct nlattr
*nl_ftypes
, *nl_ifs
;
1137 enum nl80211_iftype ift
;
1139 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1141 goto nla_put_failure
;
1143 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1144 nl_ftypes
= nla_nest_start(msg
, ift
);
1146 goto nla_put_failure
;
1148 stypes
= mgmt_stypes
[ift
].tx
;
1151 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1152 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1153 goto nla_put_failure
;
1157 nla_nest_end(msg
, nl_ftypes
);
1160 nla_nest_end(msg
, nl_ifs
);
1162 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1164 goto nla_put_failure
;
1166 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1167 nl_ftypes
= nla_nest_start(msg
, ift
);
1169 goto nla_put_failure
;
1171 stypes
= mgmt_stypes
[ift
].rx
;
1174 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1175 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1176 goto nla_put_failure
;
1180 nla_nest_end(msg
, nl_ftypes
);
1182 nla_nest_end(msg
, nl_ifs
);
1186 if (dev
->wiphy
.wowlan
.flags
|| dev
->wiphy
.wowlan
.n_patterns
) {
1187 struct nlattr
*nl_wowlan
;
1189 nl_wowlan
= nla_nest_start(msg
,
1190 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1192 goto nla_put_failure
;
1194 if (((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_ANY
) &&
1195 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1196 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1197 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1198 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1199 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1200 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1201 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1202 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1203 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1204 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1205 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1206 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1207 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1208 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1209 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1210 goto nla_put_failure
;
1211 if (dev
->wiphy
.wowlan
.n_patterns
) {
1212 struct nl80211_wowlan_pattern_support pat
= {
1213 .max_patterns
= dev
->wiphy
.wowlan
.n_patterns
,
1215 dev
->wiphy
.wowlan
.pattern_min_len
,
1217 dev
->wiphy
.wowlan
.pattern_max_len
,
1219 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1221 goto nla_put_failure
;
1224 nla_nest_end(msg
, nl_wowlan
);
1228 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1229 dev
->wiphy
.software_iftypes
))
1230 goto nla_put_failure
;
1232 if (nl80211_put_iface_combinations(&dev
->wiphy
, msg
))
1233 goto nla_put_failure
;
1235 if ((dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1236 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1237 dev
->wiphy
.ap_sme_capa
))
1238 goto nla_put_failure
;
1240 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
,
1241 dev
->wiphy
.features
))
1242 goto nla_put_failure
;
1244 if (dev
->wiphy
.ht_capa_mod_mask
&&
1245 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1246 sizeof(*dev
->wiphy
.ht_capa_mod_mask
),
1247 dev
->wiphy
.ht_capa_mod_mask
))
1248 goto nla_put_failure
;
1250 return genlmsg_end(msg
, hdr
);
1253 genlmsg_cancel(msg
, hdr
);
1257 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1260 int start
= cb
->args
[0];
1261 struct cfg80211_registered_device
*dev
;
1263 mutex_lock(&cfg80211_mutex
);
1264 list_for_each_entry(dev
, &cfg80211_rdev_list
, list
) {
1265 if (!net_eq(wiphy_net(&dev
->wiphy
), sock_net(skb
->sk
)))
1269 if (nl80211_send_wiphy(skb
, NETLINK_CB(cb
->skb
).pid
,
1270 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1276 mutex_unlock(&cfg80211_mutex
);
1283 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1285 struct sk_buff
*msg
;
1286 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1288 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1292 if (nl80211_send_wiphy(msg
, info
->snd_pid
, info
->snd_seq
, 0, dev
) < 0) {
1297 return genlmsg_reply(msg
, info
);
1300 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1301 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1302 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1303 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1304 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1305 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1308 static int parse_txq_params(struct nlattr
*tb
[],
1309 struct ieee80211_txq_params
*txq_params
)
1311 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1312 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1313 !tb
[NL80211_TXQ_ATTR_AIFS
])
1316 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1317 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1318 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1319 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1320 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1322 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1328 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1331 * You can only set the channel explicitly for WDS interfaces,
1332 * all others have their channel managed via their respective
1333 * "establish a connection" command (connect, join, ...)
1335 * For AP/GO and mesh mode, the channel can be set with the
1336 * channel userspace API, but is only stored and passed to the
1337 * low-level driver when the AP starts or the mesh is joined.
1338 * This is for backward compatibility, userspace can also give
1339 * the channel in the start-ap or join-mesh commands instead.
1341 * Monitors are special as they are normally slaved to
1342 * whatever else is going on, so they have their own special
1343 * operation to set the monitor channel if possible.
1346 wdev
->iftype
== NL80211_IFTYPE_AP
||
1347 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1348 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1349 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1352 static bool nl80211_valid_channel_type(struct genl_info
*info
,
1353 enum nl80211_channel_type
*channel_type
)
1355 enum nl80211_channel_type tmp
;
1357 if (!info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
])
1360 tmp
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1361 if (tmp
!= NL80211_CHAN_NO_HT
&&
1362 tmp
!= NL80211_CHAN_HT20
&&
1363 tmp
!= NL80211_CHAN_HT40PLUS
&&
1364 tmp
!= NL80211_CHAN_HT40MINUS
)
1368 *channel_type
= tmp
;
1373 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1374 struct wireless_dev
*wdev
,
1375 struct genl_info
*info
)
1377 struct ieee80211_channel
*channel
;
1378 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
1381 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1384 iftype
= wdev
->iftype
;
1386 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1389 if (!nl80211_can_set_dev_channel(wdev
))
1392 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
] &&
1393 !nl80211_valid_channel_type(info
, &channel_type
))
1396 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1398 mutex_lock(&rdev
->devlist_mtx
);
1400 case NL80211_IFTYPE_AP
:
1401 case NL80211_IFTYPE_P2P_GO
:
1402 if (wdev
->beacon_interval
) {
1406 channel
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
1407 if (!channel
|| !cfg80211_can_beacon_sec_chan(&rdev
->wiphy
,
1413 wdev
->preset_chan
= channel
;
1414 wdev
->preset_chantype
= channel_type
;
1417 case NL80211_IFTYPE_MESH_POINT
:
1418 result
= cfg80211_set_mesh_freq(rdev
, wdev
, freq
, channel_type
);
1420 case NL80211_IFTYPE_MONITOR
:
1421 result
= cfg80211_set_monitor_channel(rdev
, freq
, channel_type
);
1426 mutex_unlock(&rdev
->devlist_mtx
);
1431 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
1433 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1434 struct net_device
*netdev
= info
->user_ptr
[1];
1436 return __nl80211_set_channel(rdev
, netdev
->ieee80211_ptr
, info
);
1439 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
1441 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1442 struct net_device
*dev
= info
->user_ptr
[1];
1443 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1446 if (!info
->attrs
[NL80211_ATTR_MAC
])
1449 if (netif_running(dev
))
1452 if (!rdev
->ops
->set_wds_peer
)
1455 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
1458 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1459 return rdev
->ops
->set_wds_peer(wdev
->wiphy
, dev
, bssid
);
1463 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1465 struct cfg80211_registered_device
*rdev
;
1466 struct net_device
*netdev
= NULL
;
1467 struct wireless_dev
*wdev
;
1468 int result
= 0, rem_txq_params
= 0;
1469 struct nlattr
*nl_txq_params
;
1471 u8 retry_short
= 0, retry_long
= 0;
1472 u32 frag_threshold
= 0, rts_threshold
= 0;
1473 u8 coverage_class
= 0;
1476 * Try to find the wiphy and netdev. Normally this
1477 * function shouldn't need the netdev, but this is
1478 * done for backward compatibility -- previously
1479 * setting the channel was done per wiphy, but now
1480 * it is per netdev. Previous userland like hostapd
1481 * also passed a netdev to set_wiphy, so that it is
1482 * possible to let that go to the right netdev!
1484 mutex_lock(&cfg80211_mutex
);
1486 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
1487 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
1489 netdev
= dev_get_by_index(genl_info_net(info
), ifindex
);
1490 if (netdev
&& netdev
->ieee80211_ptr
) {
1491 rdev
= wiphy_to_dev(netdev
->ieee80211_ptr
->wiphy
);
1492 mutex_lock(&rdev
->mtx
);
1498 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
1501 mutex_unlock(&cfg80211_mutex
);
1502 return PTR_ERR(rdev
);
1508 mutex_lock(&rdev
->mtx
);
1509 } else if (nl80211_can_set_dev_channel(netdev
->ieee80211_ptr
))
1510 wdev
= netdev
->ieee80211_ptr
;
1515 * end workaround code, by now the rdev is available
1516 * and locked, and wdev may or may not be NULL.
1519 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
1520 result
= cfg80211_dev_rename(
1521 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
1523 mutex_unlock(&cfg80211_mutex
);
1528 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
1529 struct ieee80211_txq_params txq_params
;
1530 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
1532 if (!rdev
->ops
->set_txq_params
) {
1533 result
= -EOPNOTSUPP
;
1542 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
1543 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
1548 if (!netif_running(netdev
)) {
1553 nla_for_each_nested(nl_txq_params
,
1554 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
1556 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
1557 nla_data(nl_txq_params
),
1558 nla_len(nl_txq_params
),
1560 result
= parse_txq_params(tb
, &txq_params
);
1564 result
= rdev
->ops
->set_txq_params(&rdev
->wiphy
,
1572 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
1573 result
= __nl80211_set_channel(rdev
, wdev
, info
);
1578 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
1579 enum nl80211_tx_power_setting type
;
1582 if (!rdev
->ops
->set_tx_power
) {
1583 result
= -EOPNOTSUPP
;
1587 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
1588 type
= nla_get_u32(info
->attrs
[idx
]);
1590 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
1591 (type
!= NL80211_TX_POWER_AUTOMATIC
)) {
1596 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
1597 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
1598 mbm
= nla_get_u32(info
->attrs
[idx
]);
1601 result
= rdev
->ops
->set_tx_power(&rdev
->wiphy
, type
, mbm
);
1606 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
1607 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
1609 if ((!rdev
->wiphy
.available_antennas_tx
&&
1610 !rdev
->wiphy
.available_antennas_rx
) ||
1611 !rdev
->ops
->set_antenna
) {
1612 result
= -EOPNOTSUPP
;
1616 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
1617 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
1619 /* reject antenna configurations which don't match the
1620 * available antenna masks, except for the "all" mask */
1621 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
1622 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
))) {
1627 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
1628 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
1630 result
= rdev
->ops
->set_antenna(&rdev
->wiphy
, tx_ant
, rx_ant
);
1637 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
1638 retry_short
= nla_get_u8(
1639 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
1640 if (retry_short
== 0) {
1644 changed
|= WIPHY_PARAM_RETRY_SHORT
;
1647 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
1648 retry_long
= nla_get_u8(
1649 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
1650 if (retry_long
== 0) {
1654 changed
|= WIPHY_PARAM_RETRY_LONG
;
1657 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
1658 frag_threshold
= nla_get_u32(
1659 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
1660 if (frag_threshold
< 256) {
1664 if (frag_threshold
!= (u32
) -1) {
1666 * Fragments (apart from the last one) are required to
1667 * have even length. Make the fragmentation code
1668 * simpler by stripping LSB should someone try to use
1669 * odd threshold value.
1671 frag_threshold
&= ~0x1;
1673 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
1676 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
1677 rts_threshold
= nla_get_u32(
1678 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
1679 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
1682 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
1683 coverage_class
= nla_get_u8(
1684 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
1685 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
1689 u8 old_retry_short
, old_retry_long
;
1690 u32 old_frag_threshold
, old_rts_threshold
;
1691 u8 old_coverage_class
;
1693 if (!rdev
->ops
->set_wiphy_params
) {
1694 result
= -EOPNOTSUPP
;
1698 old_retry_short
= rdev
->wiphy
.retry_short
;
1699 old_retry_long
= rdev
->wiphy
.retry_long
;
1700 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
1701 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
1702 old_coverage_class
= rdev
->wiphy
.coverage_class
;
1704 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1705 rdev
->wiphy
.retry_short
= retry_short
;
1706 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1707 rdev
->wiphy
.retry_long
= retry_long
;
1708 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
1709 rdev
->wiphy
.frag_threshold
= frag_threshold
;
1710 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
1711 rdev
->wiphy
.rts_threshold
= rts_threshold
;
1712 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
1713 rdev
->wiphy
.coverage_class
= coverage_class
;
1715 result
= rdev
->ops
->set_wiphy_params(&rdev
->wiphy
, changed
);
1717 rdev
->wiphy
.retry_short
= old_retry_short
;
1718 rdev
->wiphy
.retry_long
= old_retry_long
;
1719 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
1720 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
1721 rdev
->wiphy
.coverage_class
= old_coverage_class
;
1726 mutex_unlock(&rdev
->mtx
);
1732 static inline u64
wdev_id(struct wireless_dev
*wdev
)
1734 return (u64
)wdev
->identifier
|
1735 ((u64
)wiphy_to_dev(wdev
->wiphy
)->wiphy_idx
<< 32);
1738 static int nl80211_send_iface(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
1739 struct cfg80211_registered_device
*rdev
,
1740 struct wireless_dev
*wdev
)
1742 struct net_device
*dev
= wdev
->netdev
;
1745 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
1750 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
1751 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
) ||
1752 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dev
->dev_addr
)))
1753 goto nla_put_failure
;
1755 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1756 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
1757 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
1758 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1759 rdev
->devlist_generation
^
1760 (cfg80211_rdev_list_generation
<< 2)))
1761 goto nla_put_failure
;
1763 if (rdev
->ops
->get_channel
) {
1764 struct ieee80211_channel
*chan
;
1765 enum nl80211_channel_type channel_type
;
1767 chan
= rdev
->ops
->get_channel(&rdev
->wiphy
, wdev
,
1770 (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
1771 chan
->center_freq
) ||
1772 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
1774 goto nla_put_failure
;
1777 return genlmsg_end(msg
, hdr
);
1780 genlmsg_cancel(msg
, hdr
);
1784 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1788 int wp_start
= cb
->args
[0];
1789 int if_start
= cb
->args
[1];
1790 struct cfg80211_registered_device
*rdev
;
1791 struct wireless_dev
*wdev
;
1793 mutex_lock(&cfg80211_mutex
);
1794 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1795 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1797 if (wp_idx
< wp_start
) {
1803 mutex_lock(&rdev
->devlist_mtx
);
1804 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
1805 if (if_idx
< if_start
) {
1809 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).pid
,
1810 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1812 mutex_unlock(&rdev
->devlist_mtx
);
1817 mutex_unlock(&rdev
->devlist_mtx
);
1822 mutex_unlock(&cfg80211_mutex
);
1824 cb
->args
[0] = wp_idx
;
1825 cb
->args
[1] = if_idx
;
1830 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1832 struct sk_buff
*msg
;
1833 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1834 struct wireless_dev
*wdev
= info
->user_ptr
[1];
1836 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1840 if (nl80211_send_iface(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1846 return genlmsg_reply(msg
, info
);
1849 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
1850 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
1851 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
1852 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
1853 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
1854 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
1857 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
1859 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
1867 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
1868 nla
, mntr_flags_policy
))
1871 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
1873 *mntrflags
|= (1<<flag
);
1878 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
1879 struct net_device
*netdev
, u8 use_4addr
,
1880 enum nl80211_iftype iftype
)
1883 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
1889 case NL80211_IFTYPE_AP_VLAN
:
1890 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
1893 case NL80211_IFTYPE_STATION
:
1894 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
1904 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1906 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1907 struct vif_params params
;
1909 enum nl80211_iftype otype
, ntype
;
1910 struct net_device
*dev
= info
->user_ptr
[1];
1911 u32 _flags
, *flags
= NULL
;
1912 bool change
= false;
1914 memset(¶ms
, 0, sizeof(params
));
1916 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
1918 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
1919 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
1922 if (ntype
> NL80211_IFTYPE_MAX
)
1926 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
1927 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1929 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
1931 if (netif_running(dev
))
1935 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
1936 IEEE80211_MAX_MESH_ID_LEN
);
1937 wdev
->mesh_id_up_len
=
1938 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
1939 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
1940 wdev
->mesh_id_up_len
);
1944 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
1945 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
1947 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
1951 params
.use_4addr
= -1;
1954 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
1955 if (ntype
!= NL80211_IFTYPE_MONITOR
)
1957 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
1967 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
1971 if (!err
&& params
.use_4addr
!= -1)
1972 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
1977 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1979 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1980 struct vif_params params
;
1981 struct wireless_dev
*wdev
;
1982 struct sk_buff
*msg
;
1984 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
1987 memset(¶ms
, 0, sizeof(params
));
1989 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
1992 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
1993 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
1994 if (type
> NL80211_IFTYPE_MAX
)
1998 if (!rdev
->ops
->add_virtual_intf
||
1999 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2002 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2003 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2004 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2009 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2013 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2014 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2016 wdev
= rdev
->ops
->add_virtual_intf(&rdev
->wiphy
,
2017 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2018 type
, err
? NULL
: &flags
, ¶ms
);
2021 return PTR_ERR(wdev
);
2024 if (type
== NL80211_IFTYPE_MESH_POINT
&&
2025 info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2027 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2028 IEEE80211_MAX_MESH_ID_LEN
);
2029 wdev
->mesh_id_up_len
=
2030 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2031 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2032 wdev
->mesh_id_up_len
);
2036 if (nl80211_send_iface(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2042 return genlmsg_reply(msg
, info
);
2045 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2047 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2048 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2050 if (!rdev
->ops
->del_virtual_intf
)
2054 * If we remove a wireless device without a netdev then clear
2055 * user_ptr[1] so that nl80211_post_doit won't dereference it
2056 * to check if it needs to do dev_put(). Otherwise it crashes
2057 * since the wdev has been freed, unlike with a netdev where
2058 * we need the dev_put() for the netdev to really be freed.
2061 info
->user_ptr
[1] = NULL
;
2063 return rdev
->ops
->del_virtual_intf(&rdev
->wiphy
, wdev
);
2066 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2068 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2069 struct net_device
*dev
= info
->user_ptr
[1];
2072 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2075 if (!rdev
->ops
->set_noack_map
)
2078 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2080 return rdev
->ops
->set_noack_map(&rdev
->wiphy
, dev
, noack_map
);
2083 struct get_key_cookie
{
2084 struct sk_buff
*msg
;
2089 static void get_key_callback(void *c
, struct key_params
*params
)
2092 struct get_key_cookie
*cookie
= c
;
2095 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2096 params
->key_len
, params
->key
)) ||
2098 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2099 params
->seq_len
, params
->seq
)) ||
2101 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2103 goto nla_put_failure
;
2105 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2107 goto nla_put_failure
;
2110 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2111 params
->key_len
, params
->key
)) ||
2113 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2114 params
->seq_len
, params
->seq
)) ||
2116 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2118 goto nla_put_failure
;
2120 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2121 goto nla_put_failure
;
2123 nla_nest_end(cookie
->msg
, key
);
2130 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2132 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2134 struct net_device
*dev
= info
->user_ptr
[1];
2136 const u8
*mac_addr
= NULL
;
2138 struct get_key_cookie cookie
= {
2142 struct sk_buff
*msg
;
2144 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2145 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2150 if (info
->attrs
[NL80211_ATTR_MAC
])
2151 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2153 pairwise
= !!mac_addr
;
2154 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2155 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2156 if (kt
>= NUM_NL80211_KEYTYPES
)
2158 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2159 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2161 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2164 if (!rdev
->ops
->get_key
)
2167 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2171 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2172 NL80211_CMD_NEW_KEY
);
2174 return PTR_ERR(hdr
);
2177 cookie
.idx
= key_idx
;
2179 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2180 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2181 goto nla_put_failure
;
2183 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2184 goto nla_put_failure
;
2186 if (pairwise
&& mac_addr
&&
2187 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2190 err
= rdev
->ops
->get_key(&rdev
->wiphy
, dev
, key_idx
, pairwise
,
2191 mac_addr
, &cookie
, get_key_callback
);
2197 goto nla_put_failure
;
2199 genlmsg_end(msg
, hdr
);
2200 return genlmsg_reply(msg
, info
);
2209 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2211 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2212 struct key_parse key
;
2214 struct net_device
*dev
= info
->user_ptr
[1];
2216 err
= nl80211_parse_key(info
, &key
);
2223 /* only support setting default key */
2224 if (!key
.def
&& !key
.defmgmt
)
2227 wdev_lock(dev
->ieee80211_ptr
);
2230 if (!rdev
->ops
->set_default_key
) {
2235 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2239 err
= rdev
->ops
->set_default_key(&rdev
->wiphy
, dev
, key
.idx
,
2240 key
.def_uni
, key
.def_multi
);
2245 #ifdef CONFIG_CFG80211_WEXT
2246 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2249 if (key
.def_uni
|| !key
.def_multi
) {
2254 if (!rdev
->ops
->set_default_mgmt_key
) {
2259 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2263 err
= rdev
->ops
->set_default_mgmt_key(&rdev
->wiphy
,
2268 #ifdef CONFIG_CFG80211_WEXT
2269 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2274 wdev_unlock(dev
->ieee80211_ptr
);
2279 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2281 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2283 struct net_device
*dev
= info
->user_ptr
[1];
2284 struct key_parse key
;
2285 const u8
*mac_addr
= NULL
;
2287 err
= nl80211_parse_key(info
, &key
);
2294 if (info
->attrs
[NL80211_ATTR_MAC
])
2295 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2297 if (key
.type
== -1) {
2299 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2301 key
.type
= NL80211_KEYTYPE_GROUP
;
2305 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2306 key
.type
!= NL80211_KEYTYPE_GROUP
)
2309 if (!rdev
->ops
->add_key
)
2312 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
2313 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2317 wdev_lock(dev
->ieee80211_ptr
);
2318 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2320 err
= rdev
->ops
->add_key(&rdev
->wiphy
, dev
, key
.idx
,
2321 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2323 wdev_unlock(dev
->ieee80211_ptr
);
2328 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
2330 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2332 struct net_device
*dev
= info
->user_ptr
[1];
2333 u8
*mac_addr
= NULL
;
2334 struct key_parse key
;
2336 err
= nl80211_parse_key(info
, &key
);
2340 if (info
->attrs
[NL80211_ATTR_MAC
])
2341 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2343 if (key
.type
== -1) {
2345 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2347 key
.type
= NL80211_KEYTYPE_GROUP
;
2351 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2352 key
.type
!= NL80211_KEYTYPE_GROUP
)
2355 if (!rdev
->ops
->del_key
)
2358 wdev_lock(dev
->ieee80211_ptr
);
2359 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2361 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
2362 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2366 err
= rdev
->ops
->del_key(&rdev
->wiphy
, dev
, key
.idx
,
2367 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2370 #ifdef CONFIG_CFG80211_WEXT
2372 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
2373 dev
->ieee80211_ptr
->wext
.default_key
= -1;
2374 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
2375 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
2378 wdev_unlock(dev
->ieee80211_ptr
);
2383 static int nl80211_parse_beacon(struct genl_info
*info
,
2384 struct cfg80211_beacon_data
*bcn
)
2386 bool haveinfo
= false;
2388 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
2389 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]) ||
2390 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
2391 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
2394 memset(bcn
, 0, sizeof(*bcn
));
2396 if (info
->attrs
[NL80211_ATTR_BEACON_HEAD
]) {
2397 bcn
->head
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
2398 bcn
->head_len
= nla_len(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
2404 if (info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) {
2405 bcn
->tail
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
2407 nla_len(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
2414 if (info
->attrs
[NL80211_ATTR_IE
]) {
2415 bcn
->beacon_ies
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
2416 bcn
->beacon_ies_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
2419 if (info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
2420 bcn
->proberesp_ies
=
2421 nla_data(info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
2422 bcn
->proberesp_ies_len
=
2423 nla_len(info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
2426 if (info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
2427 bcn
->assocresp_ies
=
2428 nla_data(info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
2429 bcn
->assocresp_ies_len
=
2430 nla_len(info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
2433 if (info
->attrs
[NL80211_ATTR_PROBE_RESP
]) {
2435 nla_data(info
->attrs
[NL80211_ATTR_PROBE_RESP
]);
2436 bcn
->probe_resp_len
=
2437 nla_len(info
->attrs
[NL80211_ATTR_PROBE_RESP
]);
2443 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
2444 struct cfg80211_ap_settings
*params
)
2446 struct wireless_dev
*wdev
;
2449 mutex_lock(&rdev
->devlist_mtx
);
2451 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2452 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
2453 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2456 if (!wdev
->preset_chan
)
2459 params
->channel
= wdev
->preset_chan
;
2460 params
->channel_type
= wdev
->preset_chantype
;
2465 mutex_unlock(&rdev
->devlist_mtx
);
2470 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
2472 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2473 struct net_device
*dev
= info
->user_ptr
[1];
2474 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2475 struct cfg80211_ap_settings params
;
2478 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2479 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2482 if (!rdev
->ops
->start_ap
)
2485 if (wdev
->beacon_interval
)
2488 memset(¶ms
, 0, sizeof(params
));
2490 /* these are required for START_AP */
2491 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
2492 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
2493 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
2496 err
= nl80211_parse_beacon(info
, ¶ms
.beacon
);
2500 params
.beacon_interval
=
2501 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
2502 params
.dtim_period
=
2503 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
2505 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
2510 * In theory, some of these attributes should be required here
2511 * but since they were not used when the command was originally
2512 * added, keep them optional for old user space programs to let
2513 * them continue to work with drivers that do not need the
2514 * additional information -- drivers must check!
2516 if (info
->attrs
[NL80211_ATTR_SSID
]) {
2517 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
2519 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
2520 if (params
.ssid_len
== 0 ||
2521 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
2525 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
2526 params
.hidden_ssid
= nla_get_u32(
2527 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
2528 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
2529 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
2530 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
2534 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
2536 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
2537 params
.auth_type
= nla_get_u32(
2538 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
2539 if (!nl80211_valid_auth_type(params
.auth_type
))
2542 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
2544 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
2545 NL80211_MAX_NR_CIPHER_SUITES
);
2549 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
2550 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
2552 params
.inactivity_timeout
= nla_get_u16(
2553 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
2556 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2557 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
2559 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
] &&
2560 !nl80211_valid_channel_type(info
, &channel_type
))
2563 params
.channel
= rdev_freq_to_chan(rdev
,
2564 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]),
2566 if (!params
.channel
)
2568 params
.channel_type
= channel_type
;
2569 } else if (wdev
->preset_chan
) {
2570 params
.channel
= wdev
->preset_chan
;
2571 params
.channel_type
= wdev
->preset_chantype
;
2572 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
2575 if (!cfg80211_can_beacon_sec_chan(&rdev
->wiphy
, params
.channel
,
2576 params
.channel_type
))
2579 mutex_lock(&rdev
->devlist_mtx
);
2580 err
= cfg80211_can_use_chan(rdev
, wdev
, params
.channel
,
2582 mutex_unlock(&rdev
->devlist_mtx
);
2587 err
= rdev
->ops
->start_ap(&rdev
->wiphy
, dev
, ¶ms
);
2589 wdev
->preset_chan
= params
.channel
;
2590 wdev
->preset_chantype
= params
.channel_type
;
2591 wdev
->beacon_interval
= params
.beacon_interval
;
2592 wdev
->channel
= params
.channel
;
2597 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
2599 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2600 struct net_device
*dev
= info
->user_ptr
[1];
2601 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2602 struct cfg80211_beacon_data params
;
2605 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2606 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2609 if (!rdev
->ops
->change_beacon
)
2612 if (!wdev
->beacon_interval
)
2615 err
= nl80211_parse_beacon(info
, ¶ms
);
2619 return rdev
->ops
->change_beacon(&rdev
->wiphy
, dev
, ¶ms
);
2622 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
2624 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2625 struct net_device
*dev
= info
->user_ptr
[1];
2627 return cfg80211_stop_ap(rdev
, dev
);
2630 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
2631 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
2632 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
2633 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
2634 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
2635 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
2636 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
2639 static int parse_station_flags(struct genl_info
*info
,
2640 enum nl80211_iftype iftype
,
2641 struct station_parameters
*params
)
2643 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
2648 * Try parsing the new attribute first so userspace
2649 * can specify both for older kernels.
2651 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
2653 struct nl80211_sta_flag_update
*sta_flags
;
2655 sta_flags
= nla_data(nla
);
2656 params
->sta_flags_mask
= sta_flags
->mask
;
2657 params
->sta_flags_set
= sta_flags
->set
;
2658 if ((params
->sta_flags_mask
|
2659 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
2664 /* if present, parse the old attribute */
2666 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
2670 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
2671 nla
, sta_flags_policy
))
2675 * Only allow certain flags for interface types so that
2676 * other attributes are silently ignored. Remember that
2677 * this is backward compatibility code with old userspace
2678 * and shouldn't be hit in other cases anyway.
2681 case NL80211_IFTYPE_AP
:
2682 case NL80211_IFTYPE_AP_VLAN
:
2683 case NL80211_IFTYPE_P2P_GO
:
2684 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
2685 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
2686 BIT(NL80211_STA_FLAG_WME
) |
2687 BIT(NL80211_STA_FLAG_MFP
);
2689 case NL80211_IFTYPE_P2P_CLIENT
:
2690 case NL80211_IFTYPE_STATION
:
2691 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
2692 BIT(NL80211_STA_FLAG_TDLS_PEER
);
2694 case NL80211_IFTYPE_MESH_POINT
:
2695 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
2696 BIT(NL80211_STA_FLAG_MFP
) |
2697 BIT(NL80211_STA_FLAG_AUTHORIZED
);
2702 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
2704 params
->sta_flags_set
|= (1<<flag
);
2706 /* no longer support new API additions in old API */
2707 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
2715 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
2718 struct nlattr
*rate
;
2722 rate
= nla_nest_start(msg
, attr
);
2724 goto nla_put_failure
;
2726 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
2727 bitrate
= cfg80211_calculate_bitrate(info
);
2728 /* report 16-bit bitrate only if we can */
2729 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
2731 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
)) ||
2732 (bitrate_compat
> 0 &&
2733 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
)) ||
2734 ((info
->flags
& RATE_INFO_FLAGS_MCS
) &&
2735 nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
)) ||
2736 ((info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
) &&
2737 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
)) ||
2738 ((info
->flags
& RATE_INFO_FLAGS_SHORT_GI
) &&
2739 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
)))
2740 goto nla_put_failure
;
2742 nla_nest_end(msg
, rate
);
2749 static int nl80211_send_station(struct sk_buff
*msg
, u32 pid
, u32 seq
,
2751 struct cfg80211_registered_device
*rdev
,
2752 struct net_device
*dev
,
2753 const u8
*mac_addr
, struct station_info
*sinfo
)
2756 struct nlattr
*sinfoattr
, *bss_param
;
2758 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
2762 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2763 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
2764 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
2765 goto nla_put_failure
;
2767 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
2769 goto nla_put_failure
;
2770 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
2771 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
2772 sinfo
->connected_time
))
2773 goto nla_put_failure
;
2774 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
2775 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
2776 sinfo
->inactive_time
))
2777 goto nla_put_failure
;
2778 if ((sinfo
->filled
& STATION_INFO_RX_BYTES
) &&
2779 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
2781 goto nla_put_failure
;
2782 if ((sinfo
->filled
& STATION_INFO_TX_BYTES
) &&
2783 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
2785 goto nla_put_failure
;
2786 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
2787 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
2788 goto nla_put_failure
;
2789 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
2790 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
2791 goto nla_put_failure
;
2792 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
2793 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
2794 sinfo
->plink_state
))
2795 goto nla_put_failure
;
2796 switch (rdev
->wiphy
.signal_type
) {
2797 case CFG80211_SIGNAL_TYPE_MBM
:
2798 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
2799 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
2801 goto nla_put_failure
;
2802 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
2803 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
2805 goto nla_put_failure
;
2810 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
2811 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
2812 NL80211_STA_INFO_TX_BITRATE
))
2813 goto nla_put_failure
;
2815 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
2816 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
2817 NL80211_STA_INFO_RX_BITRATE
))
2818 goto nla_put_failure
;
2820 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
2821 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
2823 goto nla_put_failure
;
2824 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
2825 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
2827 goto nla_put_failure
;
2828 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
2829 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
2831 goto nla_put_failure
;
2832 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
2833 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
2835 goto nla_put_failure
;
2836 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
2837 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
2838 sinfo
->beacon_loss_count
))
2839 goto nla_put_failure
;
2840 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
2841 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
2843 goto nla_put_failure
;
2845 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
2846 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
2847 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
2848 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
2849 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
2850 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
2851 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
2852 sinfo
->bss_param
.dtim_period
) ||
2853 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
2854 sinfo
->bss_param
.beacon_interval
))
2855 goto nla_put_failure
;
2857 nla_nest_end(msg
, bss_param
);
2859 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
2860 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
2861 sizeof(struct nl80211_sta_flag_update
),
2863 goto nla_put_failure
;
2864 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
2865 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
2867 goto nla_put_failure
;
2868 nla_nest_end(msg
, sinfoattr
);
2870 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
2871 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
2872 sinfo
->assoc_req_ies
))
2873 goto nla_put_failure
;
2875 return genlmsg_end(msg
, hdr
);
2878 genlmsg_cancel(msg
, hdr
);
2882 static int nl80211_dump_station(struct sk_buff
*skb
,
2883 struct netlink_callback
*cb
)
2885 struct station_info sinfo
;
2886 struct cfg80211_registered_device
*dev
;
2887 struct net_device
*netdev
;
2888 u8 mac_addr
[ETH_ALEN
];
2889 int sta_idx
= cb
->args
[1];
2892 err
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
2896 if (!dev
->ops
->dump_station
) {
2902 memset(&sinfo
, 0, sizeof(sinfo
));
2903 err
= dev
->ops
->dump_station(&dev
->wiphy
, netdev
, sta_idx
,
2910 if (nl80211_send_station(skb
,
2911 NETLINK_CB(cb
->skb
).pid
,
2912 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2913 dev
, netdev
, mac_addr
,
2922 cb
->args
[1] = sta_idx
;
2925 nl80211_finish_netdev_dump(dev
);
2930 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
2932 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2933 struct net_device
*dev
= info
->user_ptr
[1];
2934 struct station_info sinfo
;
2935 struct sk_buff
*msg
;
2936 u8
*mac_addr
= NULL
;
2939 memset(&sinfo
, 0, sizeof(sinfo
));
2941 if (!info
->attrs
[NL80211_ATTR_MAC
])
2944 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2946 if (!rdev
->ops
->get_station
)
2949 err
= rdev
->ops
->get_station(&rdev
->wiphy
, dev
, mac_addr
, &sinfo
);
2953 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2957 if (nl80211_send_station(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2958 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
2963 return genlmsg_reply(msg
, info
);
2967 * Get vlan interface making sure it is running and on the right wiphy.
2969 static struct net_device
*get_vlan(struct genl_info
*info
,
2970 struct cfg80211_registered_device
*rdev
)
2972 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
2973 struct net_device
*v
;
2979 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
2981 return ERR_PTR(-ENODEV
);
2983 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
2988 if (!netif_running(v
)) {
2996 return ERR_PTR(ret
);
2999 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
3001 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3003 struct net_device
*dev
= info
->user_ptr
[1];
3004 struct station_parameters params
;
3005 u8
*mac_addr
= NULL
;
3007 memset(¶ms
, 0, sizeof(params
));
3009 params
.listen_interval
= -1;
3010 params
.plink_state
= -1;
3012 if (info
->attrs
[NL80211_ATTR_STA_AID
])
3015 if (!info
->attrs
[NL80211_ATTR_MAC
])
3018 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3020 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
3021 params
.supported_rates
=
3022 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3023 params
.supported_rates_len
=
3024 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3027 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
3028 params
.listen_interval
=
3029 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
3031 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
3033 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
3035 if (!rdev
->ops
->change_station
)
3038 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
3041 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
3042 params
.plink_action
=
3043 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
3045 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
])
3046 params
.plink_state
=
3047 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
3049 switch (dev
->ieee80211_ptr
->iftype
) {
3050 case NL80211_IFTYPE_AP
:
3051 case NL80211_IFTYPE_AP_VLAN
:
3052 case NL80211_IFTYPE_P2P_GO
:
3053 /* disallow mesh-specific things */
3054 if (params
.plink_action
)
3057 /* TDLS can't be set, ... */
3058 if (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3061 * ... but don't bother the driver with it. This works around
3062 * a hostapd/wpa_supplicant issue -- it always includes the
3063 * TLDS_PEER flag in the mask even for AP mode.
3065 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3067 /* accept only the listed bits */
3068 if (params
.sta_flags_mask
&
3069 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3070 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3071 BIT(NL80211_STA_FLAG_WME
) |
3072 BIT(NL80211_STA_FLAG_MFP
)))
3075 /* must be last in here for error handling */
3076 params
.vlan
= get_vlan(info
, rdev
);
3077 if (IS_ERR(params
.vlan
))
3078 return PTR_ERR(params
.vlan
);
3080 case NL80211_IFTYPE_P2P_CLIENT
:
3081 case NL80211_IFTYPE_STATION
:
3083 * Don't allow userspace to change the TDLS_PEER flag,
3084 * but silently ignore attempts to change it since we
3085 * don't have state here to verify that it doesn't try
3086 * to change the flag.
3088 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3090 case NL80211_IFTYPE_ADHOC
:
3091 /* disallow things sta doesn't support */
3092 if (params
.plink_action
)
3096 if (params
.listen_interval
>= 0)
3098 /* reject any changes other than AUTHORIZED */
3099 if (params
.sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
3102 case NL80211_IFTYPE_MESH_POINT
:
3103 /* disallow things mesh doesn't support */
3108 if (params
.listen_interval
>= 0)
3111 * No special handling for TDLS here -- the userspace
3112 * mesh code doesn't have this bug.
3114 if (params
.sta_flags_mask
&
3115 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3116 BIT(NL80211_STA_FLAG_MFP
) |
3117 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3124 /* be aware of params.vlan when changing code here */
3126 err
= rdev
->ops
->change_station(&rdev
->wiphy
, dev
, mac_addr
, ¶ms
);
3129 dev_put(params
.vlan
);
3134 static struct nla_policy
3135 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] __read_mostly
= {
3136 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
3137 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
3140 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
3142 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3144 struct net_device
*dev
= info
->user_ptr
[1];
3145 struct station_parameters params
;
3146 u8
*mac_addr
= NULL
;
3148 memset(¶ms
, 0, sizeof(params
));
3150 if (!info
->attrs
[NL80211_ATTR_MAC
])
3153 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
3156 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
3159 if (!info
->attrs
[NL80211_ATTR_STA_AID
])
3162 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3163 params
.supported_rates
=
3164 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3165 params
.supported_rates_len
=
3166 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3167 params
.listen_interval
=
3168 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
3170 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
3171 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
3174 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
3176 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
3178 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
3179 params
.plink_action
=
3180 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
3182 if (!rdev
->ops
->add_station
)
3185 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
3188 switch (dev
->ieee80211_ptr
->iftype
) {
3189 case NL80211_IFTYPE_AP
:
3190 case NL80211_IFTYPE_AP_VLAN
:
3191 case NL80211_IFTYPE_P2P_GO
:
3192 /* parse WME attributes if sta is WME capable */
3193 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
3194 (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)) &&
3195 info
->attrs
[NL80211_ATTR_STA_WME
]) {
3196 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
3199 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
3200 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
3201 nl80211_sta_wme_policy
);
3205 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
3206 params
.uapsd_queues
=
3207 nla_get_u8(tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
3208 if (params
.uapsd_queues
&
3209 ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
3212 if (tb
[NL80211_STA_WME_MAX_SP
])
3214 nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
3217 ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
3220 params
.sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
3222 /* TDLS peers cannot be added */
3223 if (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3225 /* but don't bother the driver with it */
3226 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3228 /* must be last in here for error handling */
3229 params
.vlan
= get_vlan(info
, rdev
);
3230 if (IS_ERR(params
.vlan
))
3231 return PTR_ERR(params
.vlan
);
3233 case NL80211_IFTYPE_MESH_POINT
:
3234 /* TDLS peers cannot be added */
3235 if (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3238 case NL80211_IFTYPE_STATION
:
3239 /* Only TDLS peers can be added */
3240 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3242 /* Can only add if TDLS ... */
3243 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
3245 /* ... with external setup is supported */
3246 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
3253 /* be aware of params.vlan when changing code here */
3255 err
= rdev
->ops
->add_station(&rdev
->wiphy
, dev
, mac_addr
, ¶ms
);
3258 dev_put(params
.vlan
);
3262 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
3264 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3265 struct net_device
*dev
= info
->user_ptr
[1];
3266 u8
*mac_addr
= NULL
;
3268 if (info
->attrs
[NL80211_ATTR_MAC
])
3269 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3271 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3272 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
3273 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
3274 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3277 if (!rdev
->ops
->del_station
)
3280 return rdev
->ops
->del_station(&rdev
->wiphy
, dev
, mac_addr
);
3283 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 pid
, u32 seq
,
3284 int flags
, struct net_device
*dev
,
3285 u8
*dst
, u8
*next_hop
,
3286 struct mpath_info
*pinfo
)
3289 struct nlattr
*pinfoattr
;
3291 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3295 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3296 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
3297 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
3298 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
3299 goto nla_put_failure
;
3301 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
3303 goto nla_put_failure
;
3304 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
3305 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
3307 goto nla_put_failure
;
3308 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
3309 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
3310 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
3311 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
3313 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
3314 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
3316 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
3317 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
3319 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
3320 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
3321 pinfo
->discovery_timeout
)) ||
3322 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
3323 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
3324 pinfo
->discovery_retries
)))
3325 goto nla_put_failure
;
3327 nla_nest_end(msg
, pinfoattr
);
3329 return genlmsg_end(msg
, hdr
);
3332 genlmsg_cancel(msg
, hdr
);
3336 static int nl80211_dump_mpath(struct sk_buff
*skb
,
3337 struct netlink_callback
*cb
)
3339 struct mpath_info pinfo
;
3340 struct cfg80211_registered_device
*dev
;
3341 struct net_device
*netdev
;
3343 u8 next_hop
[ETH_ALEN
];
3344 int path_idx
= cb
->args
[1];
3347 err
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
3351 if (!dev
->ops
->dump_mpath
) {
3356 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
3362 err
= dev
->ops
->dump_mpath(&dev
->wiphy
, netdev
, path_idx
,
3363 dst
, next_hop
, &pinfo
);
3369 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).pid
,
3370 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3371 netdev
, dst
, next_hop
,
3380 cb
->args
[1] = path_idx
;
3383 nl80211_finish_netdev_dump(dev
);
3387 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3389 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3391 struct net_device
*dev
= info
->user_ptr
[1];
3392 struct mpath_info pinfo
;
3393 struct sk_buff
*msg
;
3395 u8 next_hop
[ETH_ALEN
];
3397 memset(&pinfo
, 0, sizeof(pinfo
));
3399 if (!info
->attrs
[NL80211_ATTR_MAC
])
3402 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3404 if (!rdev
->ops
->get_mpath
)
3407 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3410 err
= rdev
->ops
->get_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
, &pinfo
);
3414 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3418 if (nl80211_send_mpath(msg
, info
->snd_pid
, info
->snd_seq
, 0,
3419 dev
, dst
, next_hop
, &pinfo
) < 0) {
3424 return genlmsg_reply(msg
, info
);
3427 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3429 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3430 struct net_device
*dev
= info
->user_ptr
[1];
3432 u8
*next_hop
= NULL
;
3434 if (!info
->attrs
[NL80211_ATTR_MAC
])
3437 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
3440 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3441 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
3443 if (!rdev
->ops
->change_mpath
)
3446 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3449 return rdev
->ops
->change_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
);
3452 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3454 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3455 struct net_device
*dev
= info
->user_ptr
[1];
3457 u8
*next_hop
= NULL
;
3459 if (!info
->attrs
[NL80211_ATTR_MAC
])
3462 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
3465 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3466 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
3468 if (!rdev
->ops
->add_mpath
)
3471 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3474 return rdev
->ops
->add_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
);
3477 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3479 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3480 struct net_device
*dev
= info
->user_ptr
[1];
3483 if (info
->attrs
[NL80211_ATTR_MAC
])
3484 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3486 if (!rdev
->ops
->del_mpath
)
3489 return rdev
->ops
->del_mpath(&rdev
->wiphy
, dev
, dst
);
3492 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
3494 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3495 struct net_device
*dev
= info
->user_ptr
[1];
3496 struct bss_parameters params
;
3498 memset(¶ms
, 0, sizeof(params
));
3499 /* default to not changing parameters */
3500 params
.use_cts_prot
= -1;
3501 params
.use_short_preamble
= -1;
3502 params
.use_short_slot_time
= -1;
3503 params
.ap_isolate
= -1;
3504 params
.ht_opmode
= -1;
3506 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
3507 params
.use_cts_prot
=
3508 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
3509 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
3510 params
.use_short_preamble
=
3511 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
3512 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
3513 params
.use_short_slot_time
=
3514 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
3515 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
3516 params
.basic_rates
=
3517 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
3518 params
.basic_rates_len
=
3519 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
3521 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
3522 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
3523 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
3525 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
3527 if (!rdev
->ops
->change_bss
)
3530 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3531 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3534 return rdev
->ops
->change_bss(&rdev
->wiphy
, dev
, ¶ms
);
3537 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
3538 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
3539 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
3540 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
3541 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
3542 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
3543 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
3546 static int parse_reg_rule(struct nlattr
*tb
[],
3547 struct ieee80211_reg_rule
*reg_rule
)
3549 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
3550 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
3552 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
3554 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
3556 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
3558 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
3560 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
3563 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
3565 freq_range
->start_freq_khz
=
3566 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
3567 freq_range
->end_freq_khz
=
3568 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
3569 freq_range
->max_bandwidth_khz
=
3570 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
3572 power_rule
->max_eirp
=
3573 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
3575 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
3576 power_rule
->max_antenna_gain
=
3577 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
3582 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
3586 enum nl80211_user_reg_hint_type user_reg_hint_type
;
3589 * You should only get this when cfg80211 hasn't yet initialized
3590 * completely when built-in to the kernel right between the time
3591 * window between nl80211_init() and regulatory_init(), if that is
3594 mutex_lock(&cfg80211_mutex
);
3595 if (unlikely(!cfg80211_regdomain
)) {
3596 mutex_unlock(&cfg80211_mutex
);
3597 return -EINPROGRESS
;
3599 mutex_unlock(&cfg80211_mutex
);
3601 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
3604 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
3606 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
3607 user_reg_hint_type
=
3608 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
3610 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
3612 switch (user_reg_hint_type
) {
3613 case NL80211_USER_REG_HINT_USER
:
3614 case NL80211_USER_REG_HINT_CELL_BASE
:
3620 r
= regulatory_hint_user(data
, user_reg_hint_type
);
3625 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
3626 struct genl_info
*info
)
3628 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3629 struct net_device
*dev
= info
->user_ptr
[1];
3630 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3631 struct mesh_config cur_params
;
3634 struct nlattr
*pinfoattr
;
3635 struct sk_buff
*msg
;
3637 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3640 if (!rdev
->ops
->get_mesh_config
)
3644 /* If not connected, get default parameters */
3645 if (!wdev
->mesh_id_len
)
3646 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
3648 err
= rdev
->ops
->get_mesh_config(&rdev
->wiphy
, dev
,
3655 /* Draw up a netlink message to send back */
3656 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3659 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
3660 NL80211_CMD_GET_MESH_CONFIG
);
3663 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
3665 goto nla_put_failure
;
3666 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3667 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
3668 cur_params
.dot11MeshRetryTimeout
) ||
3669 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
3670 cur_params
.dot11MeshConfirmTimeout
) ||
3671 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
3672 cur_params
.dot11MeshHoldingTimeout
) ||
3673 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
3674 cur_params
.dot11MeshMaxPeerLinks
) ||
3675 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
3676 cur_params
.dot11MeshMaxRetries
) ||
3677 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
3678 cur_params
.dot11MeshTTL
) ||
3679 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
3680 cur_params
.element_ttl
) ||
3681 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
3682 cur_params
.auto_open_plinks
) ||
3683 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
3684 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
3685 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
3686 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
3687 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
3688 cur_params
.path_refresh_time
) ||
3689 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
3690 cur_params
.min_discovery_timeout
) ||
3691 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
3692 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
3693 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
3694 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
3695 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
3696 cur_params
.dot11MeshHWMPperrMinInterval
) ||
3697 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
3698 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
3699 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
3700 cur_params
.dot11MeshHWMPRootMode
) ||
3701 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
3702 cur_params
.dot11MeshHWMPRannInterval
) ||
3703 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
3704 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
3705 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
3706 cur_params
.dot11MeshForwarding
) ||
3707 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
3708 cur_params
.rssi_threshold
) ||
3709 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
3710 cur_params
.ht_opmode
) ||
3711 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
3712 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
3713 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
3714 cur_params
.dot11MeshHWMProotInterval
) ||
3715 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
3716 cur_params
.dot11MeshHWMPconfirmationInterval
))
3717 goto nla_put_failure
;
3718 nla_nest_end(msg
, pinfoattr
);
3719 genlmsg_end(msg
, hdr
);
3720 return genlmsg_reply(msg
, info
);
3723 genlmsg_cancel(msg
, hdr
);
3729 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
3730 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
3731 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
3732 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
3733 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
3734 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
3735 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
3736 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
3737 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
3738 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
3739 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
3740 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
3741 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
3742 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
3743 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
3744 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
3745 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
3746 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
3747 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
3748 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
3749 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
3750 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
3751 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
3752 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
3753 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
3754 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
3757 static const struct nla_policy
3758 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
3759 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
3760 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
3761 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
3762 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
3763 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
3764 .len
= IEEE80211_MAX_DATA_LEN
},
3765 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
3768 static int nl80211_parse_mesh_config(struct genl_info
*info
,
3769 struct mesh_config
*cfg
,
3772 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
3775 #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
3777 if (table[attr_num]) {\
3778 cfg->param = nla_fn(table[attr_num]); \
3779 mask |= (1 << (attr_num - 1)); \
3784 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
3786 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
3787 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
3788 nl80211_meshconf_params_policy
))
3791 /* This makes sure that there aren't more than 32 mesh config
3792 * parameters (otherwise our bitfield scheme would not work.) */
3793 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
3795 /* Fill in the params struct */
3796 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
,
3797 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
3799 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
,
3800 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
3802 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
,
3803 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
3805 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
,
3806 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
3808 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
,
3809 mask
, NL80211_MESHCONF_MAX_RETRIES
,
3811 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
,
3812 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
3813 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
,
3814 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
3816 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
,
3817 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
3819 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
, mask
,
3820 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
3822 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
,
3823 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
3825 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
,
3826 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
3828 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
,
3829 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
3831 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
, mask
,
3832 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
3834 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
3835 mask
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
3837 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
3838 mask
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
3840 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
3841 dot11MeshHWMPnetDiameterTraversalTime
, mask
,
3842 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
3844 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, mask
,
3845 NL80211_MESHCONF_HWMP_ROOTMODE
, nla_get_u8
);
3846 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, mask
,
3847 NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
3849 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
3850 dot11MeshGateAnnouncementProtocol
, mask
,
3851 NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
3853 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
,
3854 mask
, NL80211_MESHCONF_FORWARDING
,
3856 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
,
3857 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
3859 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
,
3860 mask
, NL80211_MESHCONF_HT_OPMODE
,
3862 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
3864 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
3866 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
,
3867 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
3869 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
3870 dot11MeshHWMPconfirmationInterval
, mask
,
3871 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
3878 #undef FILL_IN_MESH_PARAM_IF_SET
3881 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
3882 struct mesh_setup
*setup
)
3884 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
3886 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
3888 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
3889 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
3890 nl80211_mesh_setup_params_policy
))
3893 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
3894 setup
->sync_method
=
3895 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
3896 IEEE80211_SYNC_METHOD_VENDOR
:
3897 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
3899 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
3900 setup
->path_sel_proto
=
3901 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
3902 IEEE80211_PATH_PROTOCOL_VENDOR
:
3903 IEEE80211_PATH_PROTOCOL_HWMP
;
3905 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
3906 setup
->path_metric
=
3907 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
3908 IEEE80211_PATH_METRIC_VENDOR
:
3909 IEEE80211_PATH_METRIC_AIRTIME
;
3912 if (tb
[NL80211_MESH_SETUP_IE
]) {
3913 struct nlattr
*ieattr
=
3914 tb
[NL80211_MESH_SETUP_IE
];
3915 if (!is_valid_ie_attr(ieattr
))
3917 setup
->ie
= nla_data(ieattr
);
3918 setup
->ie_len
= nla_len(ieattr
);
3920 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
3921 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
3926 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
3927 struct genl_info
*info
)
3929 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3930 struct net_device
*dev
= info
->user_ptr
[1];
3931 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3932 struct mesh_config cfg
;
3936 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3939 if (!rdev
->ops
->update_mesh_config
)
3942 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
3947 if (!wdev
->mesh_id_len
)
3951 err
= rdev
->ops
->update_mesh_config(&rdev
->wiphy
, dev
,
3959 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
3961 struct sk_buff
*msg
;
3963 struct nlattr
*nl_reg_rules
;
3967 mutex_lock(&cfg80211_mutex
);
3969 if (!cfg80211_regdomain
)
3972 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3978 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
3979 NL80211_CMD_GET_REG
);
3983 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
3984 cfg80211_regdomain
->alpha2
) ||
3985 (cfg80211_regdomain
->dfs_region
&&
3986 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
,
3987 cfg80211_regdomain
->dfs_region
)))
3988 goto nla_put_failure
;
3990 if (reg_last_request_cell_base() &&
3991 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
3992 NL80211_USER_REG_HINT_CELL_BASE
))
3993 goto nla_put_failure
;
3995 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
3997 goto nla_put_failure
;
3999 for (i
= 0; i
< cfg80211_regdomain
->n_reg_rules
; i
++) {
4000 struct nlattr
*nl_reg_rule
;
4001 const struct ieee80211_reg_rule
*reg_rule
;
4002 const struct ieee80211_freq_range
*freq_range
;
4003 const struct ieee80211_power_rule
*power_rule
;
4005 reg_rule
= &cfg80211_regdomain
->reg_rules
[i
];
4006 freq_range
= ®_rule
->freq_range
;
4007 power_rule
= ®_rule
->power_rule
;
4009 nl_reg_rule
= nla_nest_start(msg
, i
);
4011 goto nla_put_failure
;
4013 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
4015 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
4016 freq_range
->start_freq_khz
) ||
4017 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
4018 freq_range
->end_freq_khz
) ||
4019 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
4020 freq_range
->max_bandwidth_khz
) ||
4021 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
4022 power_rule
->max_antenna_gain
) ||
4023 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
4024 power_rule
->max_eirp
))
4025 goto nla_put_failure
;
4027 nla_nest_end(msg
, nl_reg_rule
);
4030 nla_nest_end(msg
, nl_reg_rules
);
4032 genlmsg_end(msg
, hdr
);
4033 err
= genlmsg_reply(msg
, info
);
4037 genlmsg_cancel(msg
, hdr
);
4042 mutex_unlock(&cfg80211_mutex
);
4046 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4048 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
4049 struct nlattr
*nl_reg_rule
;
4050 char *alpha2
= NULL
;
4051 int rem_reg_rules
= 0, r
= 0;
4052 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
4054 struct ieee80211_regdomain
*rd
= NULL
;
4056 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4059 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
4062 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4064 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
4065 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
4067 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
4070 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
4074 mutex_lock(&cfg80211_mutex
);
4076 if (!reg_is_valid_request(alpha2
)) {
4081 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
4082 (num_rules
* sizeof(struct ieee80211_reg_rule
));
4084 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
4090 rd
->n_reg_rules
= num_rules
;
4091 rd
->alpha2
[0] = alpha2
[0];
4092 rd
->alpha2
[1] = alpha2
[1];
4095 * Disable DFS master mode if the DFS region was
4096 * not supported or known on this kernel.
4098 if (reg_supported_dfs_region(dfs_region
))
4099 rd
->dfs_region
= dfs_region
;
4101 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
4103 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
4104 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
4106 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
4112 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
4118 BUG_ON(rule_idx
!= num_rules
);
4122 mutex_unlock(&cfg80211_mutex
);
4127 mutex_unlock(&cfg80211_mutex
);
4132 static int validate_scan_freqs(struct nlattr
*freqs
)
4134 struct nlattr
*attr1
, *attr2
;
4135 int n_channels
= 0, tmp1
, tmp2
;
4137 nla_for_each_nested(attr1
, freqs
, tmp1
) {
4140 * Some hardware has a limited channel list for
4141 * scanning, and it is pretty much nonsensical
4142 * to scan for a channel twice, so disallow that
4143 * and don't require drivers to check that the
4144 * channel list they get isn't longer than what
4145 * they can scan, as long as they can scan all
4146 * the channels they registered at once.
4148 nla_for_each_nested(attr2
, freqs
, tmp2
)
4149 if (attr1
!= attr2
&&
4150 nla_get_u32(attr1
) == nla_get_u32(attr2
))
4157 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
4159 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4160 struct wireless_dev
*wdev
= info
->user_ptr
[1];
4161 struct cfg80211_scan_request
*request
;
4162 struct nlattr
*attr
;
4163 struct wiphy
*wiphy
;
4164 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
4167 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4170 wiphy
= &rdev
->wiphy
;
4172 if (!rdev
->ops
->scan
)
4178 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4179 n_channels
= validate_scan_freqs(
4180 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
4184 enum ieee80211_band band
;
4187 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
4188 if (wiphy
->bands
[band
])
4189 n_channels
+= wiphy
->bands
[band
]->n_channels
;
4192 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
4193 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
4196 if (n_ssids
> wiphy
->max_scan_ssids
)
4199 if (info
->attrs
[NL80211_ATTR_IE
])
4200 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4204 if (ie_len
> wiphy
->max_scan_ie_len
)
4207 request
= kzalloc(sizeof(*request
)
4208 + sizeof(*request
->ssids
) * n_ssids
4209 + sizeof(*request
->channels
) * n_channels
4210 + ie_len
, GFP_KERNEL
);
4215 request
->ssids
= (void *)&request
->channels
[n_channels
];
4216 request
->n_ssids
= n_ssids
;
4219 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
4221 request
->ie
= (void *)(request
->channels
+ n_channels
);
4225 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4226 /* user specified, bail out if channel not found */
4227 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
4228 struct ieee80211_channel
*chan
;
4230 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
4237 /* ignore disabled channels */
4238 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
4241 request
->channels
[i
] = chan
;
4245 enum ieee80211_band band
;
4248 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
4250 if (!wiphy
->bands
[band
])
4252 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
4253 struct ieee80211_channel
*chan
;
4255 chan
= &wiphy
->bands
[band
]->channels
[j
];
4257 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
4260 request
->channels
[i
] = chan
;
4271 request
->n_channels
= i
;
4274 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
4275 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
4276 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
4280 request
->ssids
[i
].ssid_len
= nla_len(attr
);
4281 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
4286 if (info
->attrs
[NL80211_ATTR_IE
]) {
4287 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4288 memcpy((void *)request
->ie
,
4289 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
4293 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
4294 if (wiphy
->bands
[i
])
4296 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
4298 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
4299 nla_for_each_nested(attr
,
4300 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
4302 enum ieee80211_band band
= nla_type(attr
);
4304 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
4308 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
4311 &request
->rates
[band
]);
4318 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
4320 request
->wdev
= wdev
;
4321 request
->wiphy
= &rdev
->wiphy
;
4323 rdev
->scan_req
= request
;
4324 err
= rdev
->ops
->scan(&rdev
->wiphy
, request
);
4327 nl80211_send_scan_start(rdev
, wdev
);
4329 dev_hold(wdev
->netdev
);
4332 rdev
->scan_req
= NULL
;
4339 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
4340 struct genl_info
*info
)
4342 struct cfg80211_sched_scan_request
*request
;
4343 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4344 struct net_device
*dev
= info
->user_ptr
[1];
4345 struct nlattr
*attr
;
4346 struct wiphy
*wiphy
;
4347 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
4349 enum ieee80211_band band
;
4351 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
4353 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
4354 !rdev
->ops
->sched_scan_start
)
4357 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4360 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
4363 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
4367 wiphy
= &rdev
->wiphy
;
4369 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4370 n_channels
= validate_scan_freqs(
4371 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
4377 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
4378 if (wiphy
->bands
[band
])
4379 n_channels
+= wiphy
->bands
[band
]->n_channels
;
4382 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
4383 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
4387 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
4390 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
])
4391 nla_for_each_nested(attr
,
4392 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
4396 if (n_match_sets
> wiphy
->max_match_sets
)
4399 if (info
->attrs
[NL80211_ATTR_IE
])
4400 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4404 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
4407 mutex_lock(&rdev
->sched_scan_mtx
);
4409 if (rdev
->sched_scan_req
) {
4414 request
= kzalloc(sizeof(*request
)
4415 + sizeof(*request
->ssids
) * n_ssids
4416 + sizeof(*request
->match_sets
) * n_match_sets
4417 + sizeof(*request
->channels
) * n_channels
4418 + ie_len
, GFP_KERNEL
);
4425 request
->ssids
= (void *)&request
->channels
[n_channels
];
4426 request
->n_ssids
= n_ssids
;
4429 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
4431 request
->ie
= (void *)(request
->channels
+ n_channels
);
4436 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
4437 else if (request
->ssids
)
4438 request
->match_sets
=
4439 (void *)(request
->ssids
+ n_ssids
);
4441 request
->match_sets
=
4442 (void *)(request
->channels
+ n_channels
);
4444 request
->n_match_sets
= n_match_sets
;
4447 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4448 /* user specified, bail out if channel not found */
4449 nla_for_each_nested(attr
,
4450 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
4452 struct ieee80211_channel
*chan
;
4454 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
4461 /* ignore disabled channels */
4462 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
4465 request
->channels
[i
] = chan
;
4470 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
4472 if (!wiphy
->bands
[band
])
4474 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
4475 struct ieee80211_channel
*chan
;
4477 chan
= &wiphy
->bands
[band
]->channels
[j
];
4479 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
4482 request
->channels
[i
] = chan
;
4493 request
->n_channels
= i
;
4496 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
4497 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
4499 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
4503 request
->ssids
[i
].ssid_len
= nla_len(attr
);
4504 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
4511 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
4512 nla_for_each_nested(attr
,
4513 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
4515 struct nlattr
*ssid
, *rssi
;
4517 nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
4518 nla_data(attr
), nla_len(attr
),
4519 nl80211_match_policy
);
4520 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
4522 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
4526 memcpy(request
->match_sets
[i
].ssid
.ssid
,
4527 nla_data(ssid
), nla_len(ssid
));
4528 request
->match_sets
[i
].ssid
.ssid_len
=
4531 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
4533 request
->rssi_thold
= nla_get_u32(rssi
);
4535 request
->rssi_thold
=
4536 NL80211_SCAN_RSSI_THOLD_OFF
;
4541 if (info
->attrs
[NL80211_ATTR_IE
]) {
4542 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4543 memcpy((void *)request
->ie
,
4544 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
4549 request
->wiphy
= &rdev
->wiphy
;
4550 request
->interval
= interval
;
4552 err
= rdev
->ops
->sched_scan_start(&rdev
->wiphy
, dev
, request
);
4554 rdev
->sched_scan_req
= request
;
4555 nl80211_send_sched_scan(rdev
, dev
,
4556 NL80211_CMD_START_SCHED_SCAN
);
4563 mutex_unlock(&rdev
->sched_scan_mtx
);
4567 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
4568 struct genl_info
*info
)
4570 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4573 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
4574 !rdev
->ops
->sched_scan_stop
)
4577 mutex_lock(&rdev
->sched_scan_mtx
);
4578 err
= __cfg80211_stop_sched_scan(rdev
, false);
4579 mutex_unlock(&rdev
->sched_scan_mtx
);
4584 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
4586 struct cfg80211_registered_device
*rdev
,
4587 struct wireless_dev
*wdev
,
4588 struct cfg80211_internal_bss
*intbss
)
4590 struct cfg80211_bss
*res
= &intbss
->pub
;
4594 ASSERT_WDEV_LOCK(wdev
);
4596 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).pid
, seq
, flags
,
4597 NL80211_CMD_NEW_SCAN_RESULTS
);
4601 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
4603 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
) ||
4604 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
4605 goto nla_put_failure
;
4607 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
4609 goto nla_put_failure
;
4610 if ((!is_zero_ether_addr(res
->bssid
) &&
4611 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)) ||
4612 (res
->information_elements
&& res
->len_information_elements
&&
4613 nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
4614 res
->len_information_elements
,
4615 res
->information_elements
)) ||
4616 (res
->beacon_ies
&& res
->len_beacon_ies
&&
4617 res
->beacon_ies
!= res
->information_elements
&&
4618 nla_put(msg
, NL80211_BSS_BEACON_IES
,
4619 res
->len_beacon_ies
, res
->beacon_ies
)))
4620 goto nla_put_failure
;
4622 nla_put_u64(msg
, NL80211_BSS_TSF
, res
->tsf
))
4623 goto nla_put_failure
;
4624 if (res
->beacon_interval
&&
4625 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
4626 goto nla_put_failure
;
4627 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
4628 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
4629 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
4630 jiffies_to_msecs(jiffies
- intbss
->ts
)))
4631 goto nla_put_failure
;
4633 switch (rdev
->wiphy
.signal_type
) {
4634 case CFG80211_SIGNAL_TYPE_MBM
:
4635 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
4636 goto nla_put_failure
;
4638 case CFG80211_SIGNAL_TYPE_UNSPEC
:
4639 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
4640 goto nla_put_failure
;
4646 switch (wdev
->iftype
) {
4647 case NL80211_IFTYPE_P2P_CLIENT
:
4648 case NL80211_IFTYPE_STATION
:
4649 if (intbss
== wdev
->current_bss
&&
4650 nla_put_u32(msg
, NL80211_BSS_STATUS
,
4651 NL80211_BSS_STATUS_ASSOCIATED
))
4652 goto nla_put_failure
;
4654 case NL80211_IFTYPE_ADHOC
:
4655 if (intbss
== wdev
->current_bss
&&
4656 nla_put_u32(msg
, NL80211_BSS_STATUS
,
4657 NL80211_BSS_STATUS_IBSS_JOINED
))
4658 goto nla_put_failure
;
4664 nla_nest_end(msg
, bss
);
4666 return genlmsg_end(msg
, hdr
);
4669 genlmsg_cancel(msg
, hdr
);
4673 static int nl80211_dump_scan(struct sk_buff
*skb
,
4674 struct netlink_callback
*cb
)
4676 struct cfg80211_registered_device
*rdev
;
4677 struct net_device
*dev
;
4678 struct cfg80211_internal_bss
*scan
;
4679 struct wireless_dev
*wdev
;
4680 int start
= cb
->args
[1], idx
= 0;
4683 err
= nl80211_prepare_netdev_dump(skb
, cb
, &rdev
, &dev
);
4687 wdev
= dev
->ieee80211_ptr
;
4690 spin_lock_bh(&rdev
->bss_lock
);
4691 cfg80211_bss_expire(rdev
);
4693 cb
->seq
= rdev
->bss_generation
;
4695 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
4698 if (nl80211_send_bss(skb
, cb
,
4699 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4700 rdev
, wdev
, scan
) < 0) {
4706 spin_unlock_bh(&rdev
->bss_lock
);
4710 nl80211_finish_netdev_dump(rdev
);
4715 static int nl80211_send_survey(struct sk_buff
*msg
, u32 pid
, u32 seq
,
4716 int flags
, struct net_device
*dev
,
4717 struct survey_info
*survey
)
4720 struct nlattr
*infoattr
;
4722 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
,
4723 NL80211_CMD_NEW_SURVEY_RESULTS
);
4727 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
4728 goto nla_put_failure
;
4730 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
4732 goto nla_put_failure
;
4734 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
4735 survey
->channel
->center_freq
))
4736 goto nla_put_failure
;
4738 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
4739 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
4740 goto nla_put_failure
;
4741 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
4742 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
4743 goto nla_put_failure
;
4744 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
4745 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
4746 survey
->channel_time
))
4747 goto nla_put_failure
;
4748 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
4749 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
4750 survey
->channel_time_busy
))
4751 goto nla_put_failure
;
4752 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
4753 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
4754 survey
->channel_time_ext_busy
))
4755 goto nla_put_failure
;
4756 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
4757 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
4758 survey
->channel_time_rx
))
4759 goto nla_put_failure
;
4760 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
4761 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
4762 survey
->channel_time_tx
))
4763 goto nla_put_failure
;
4765 nla_nest_end(msg
, infoattr
);
4767 return genlmsg_end(msg
, hdr
);
4770 genlmsg_cancel(msg
, hdr
);
4774 static int nl80211_dump_survey(struct sk_buff
*skb
,
4775 struct netlink_callback
*cb
)
4777 struct survey_info survey
;
4778 struct cfg80211_registered_device
*dev
;
4779 struct net_device
*netdev
;
4780 int survey_idx
= cb
->args
[1];
4783 res
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
4787 if (!dev
->ops
->dump_survey
) {
4793 struct ieee80211_channel
*chan
;
4795 res
= dev
->ops
->dump_survey(&dev
->wiphy
, netdev
, survey_idx
,
4802 /* Survey without a channel doesn't make sense */
4803 if (!survey
.channel
) {
4808 chan
= ieee80211_get_channel(&dev
->wiphy
,
4809 survey
.channel
->center_freq
);
4810 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
4815 if (nl80211_send_survey(skb
,
4816 NETLINK_CB(cb
->skb
).pid
,
4817 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4825 cb
->args
[1] = survey_idx
;
4828 nl80211_finish_netdev_dump(dev
);
4832 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type
)
4834 return auth_type
<= NL80211_AUTHTYPE_MAX
;
4837 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
4839 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
4840 NL80211_WPA_VERSION_2
));
4843 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
4845 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4846 struct net_device
*dev
= info
->user_ptr
[1];
4847 struct ieee80211_channel
*chan
;
4848 const u8
*bssid
, *ssid
, *ie
= NULL
;
4849 int err
, ssid_len
, ie_len
= 0;
4850 enum nl80211_auth_type auth_type
;
4851 struct key_parse key
;
4852 bool local_state_change
;
4854 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4857 if (!info
->attrs
[NL80211_ATTR_MAC
])
4860 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
4863 if (!info
->attrs
[NL80211_ATTR_SSID
])
4866 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
4869 err
= nl80211_parse_key(info
, &key
);
4874 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
4876 if (!key
.p
.key
|| !key
.p
.key_len
)
4878 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
4879 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
4880 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
4881 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
4893 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
4894 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
4903 if (!rdev
->ops
->auth
)
4906 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4907 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4910 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4911 chan
= ieee80211_get_channel(&rdev
->wiphy
,
4912 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
4913 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
4916 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
4917 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
4919 if (info
->attrs
[NL80211_ATTR_IE
]) {
4920 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
4921 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4924 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
4925 if (!nl80211_valid_auth_type(auth_type
))
4928 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
4931 * Since we no longer track auth state, ignore
4932 * requests to only change local state.
4934 if (local_state_change
)
4937 return cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
4938 ssid
, ssid_len
, ie
, ie_len
,
4939 key
.p
.key
, key
.p
.key_len
, key
.idx
);
4942 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
4943 struct genl_info
*info
,
4944 struct cfg80211_crypto_settings
*settings
,
4947 memset(settings
, 0, sizeof(*settings
));
4949 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
4951 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
4953 proto
= nla_get_u16(
4954 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
4955 settings
->control_port_ethertype
= cpu_to_be16(proto
);
4956 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
4959 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
4960 settings
->control_port_no_encrypt
= true;
4962 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
4964 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
4968 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
4969 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
4970 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
4972 if (len
% sizeof(u32
))
4975 if (settings
->n_ciphers_pairwise
> cipher_limit
)
4978 memcpy(settings
->ciphers_pairwise
, data
, len
);
4980 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
4981 if (!cfg80211_supported_cipher_suite(
4983 settings
->ciphers_pairwise
[i
]))
4987 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
4988 settings
->cipher_group
=
4989 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
4990 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
4991 settings
->cipher_group
))
4995 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
4996 settings
->wpa_versions
=
4997 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
4998 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
5002 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
5006 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
5007 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
5008 settings
->n_akm_suites
= len
/ sizeof(u32
);
5010 if (len
% sizeof(u32
))
5013 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
5016 memcpy(settings
->akm_suites
, data
, len
);
5022 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
5024 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5025 struct net_device
*dev
= info
->user_ptr
[1];
5026 struct cfg80211_crypto_settings crypto
;
5027 struct ieee80211_channel
*chan
;
5028 const u8
*bssid
, *ssid
, *ie
= NULL
, *prev_bssid
= NULL
;
5029 int err
, ssid_len
, ie_len
= 0;
5030 bool use_mfp
= false;
5032 struct ieee80211_ht_cap
*ht_capa
= NULL
;
5033 struct ieee80211_ht_cap
*ht_capa_mask
= NULL
;
5035 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5038 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
5039 !info
->attrs
[NL80211_ATTR_SSID
] ||
5040 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
5043 if (!rdev
->ops
->assoc
)
5046 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5047 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5050 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5052 chan
= ieee80211_get_channel(&rdev
->wiphy
,
5053 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
5054 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
5057 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
5058 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
5060 if (info
->attrs
[NL80211_ATTR_IE
]) {
5061 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5062 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5065 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
5066 enum nl80211_mfp mfp
=
5067 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
5068 if (mfp
== NL80211_MFP_REQUIRED
)
5070 else if (mfp
!= NL80211_MFP_NO
)
5074 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
5075 prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
5077 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
5078 flags
|= ASSOC_REQ_DISABLE_HT
;
5080 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
5082 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]);
5084 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
5087 ht_capa
= nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
5090 err
= nl80211_crypto_settings(rdev
, info
, &crypto
, 1);
5092 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
, prev_bssid
,
5093 ssid
, ssid_len
, ie
, ie_len
, use_mfp
,
5094 &crypto
, flags
, ht_capa
,
5100 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
5102 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5103 struct net_device
*dev
= info
->user_ptr
[1];
5104 const u8
*ie
= NULL
, *bssid
;
5107 bool local_state_change
;
5109 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5112 if (!info
->attrs
[NL80211_ATTR_MAC
])
5115 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
5118 if (!rdev
->ops
->deauth
)
5121 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5122 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5125 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5127 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5128 if (reason_code
== 0) {
5129 /* Reason Code 0 is reserved */
5133 if (info
->attrs
[NL80211_ATTR_IE
]) {
5134 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5135 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5138 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
5140 return cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
5141 local_state_change
);
5144 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
5146 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5147 struct net_device
*dev
= info
->user_ptr
[1];
5148 const u8
*ie
= NULL
, *bssid
;
5151 bool local_state_change
;
5153 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5156 if (!info
->attrs
[NL80211_ATTR_MAC
])
5159 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
5162 if (!rdev
->ops
->disassoc
)
5165 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5166 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5169 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5171 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5172 if (reason_code
== 0) {
5173 /* Reason Code 0 is reserved */
5177 if (info
->attrs
[NL80211_ATTR_IE
]) {
5178 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5179 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5182 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
5184 return cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
5185 local_state_change
);
5189 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
5190 int mcast_rate
[IEEE80211_NUM_BANDS
],
5193 struct wiphy
*wiphy
= &rdev
->wiphy
;
5197 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5198 struct ieee80211_supported_band
*sband
;
5200 sband
= wiphy
->bands
[band
];
5204 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
5205 if (sband
->bitrates
[i
].bitrate
== rateval
) {
5206 mcast_rate
[band
] = i
+ 1;
5216 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
5218 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5219 struct net_device
*dev
= info
->user_ptr
[1];
5220 struct cfg80211_ibss_params ibss
;
5221 struct wiphy
*wiphy
;
5222 struct cfg80211_cached_keys
*connkeys
= NULL
;
5225 memset(&ibss
, 0, sizeof(ibss
));
5227 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5230 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5231 !info
->attrs
[NL80211_ATTR_SSID
] ||
5232 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
5235 ibss
.beacon_interval
= 100;
5237 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
5238 ibss
.beacon_interval
=
5239 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
5240 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
5244 if (!rdev
->ops
->join_ibss
)
5247 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
5250 wiphy
= &rdev
->wiphy
;
5252 if (info
->attrs
[NL80211_ATTR_MAC
]) {
5253 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5255 if (!is_valid_ether_addr(ibss
.bssid
))
5258 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
5259 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
5261 if (info
->attrs
[NL80211_ATTR_IE
]) {
5262 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5263 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5266 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
5267 enum nl80211_channel_type channel_type
;
5269 if (!nl80211_valid_channel_type(info
, &channel_type
))
5272 if (channel_type
!= NL80211_CHAN_NO_HT
&&
5273 !(wiphy
->features
& NL80211_FEATURE_HT_IBSS
))
5276 ibss
.channel_type
= channel_type
;
5278 ibss
.channel_type
= NL80211_CHAN_NO_HT
;
5281 ibss
.channel
= rdev_freq_to_chan(rdev
,
5282 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]),
5284 if (!ibss
.channel
||
5285 ibss
.channel
->flags
& IEEE80211_CHAN_NO_IBSS
||
5286 ibss
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
5289 /* Both channels should be able to initiate communication */
5290 if ((ibss
.channel_type
== NL80211_CHAN_HT40PLUS
||
5291 ibss
.channel_type
== NL80211_CHAN_HT40MINUS
) &&
5292 !cfg80211_can_beacon_sec_chan(&rdev
->wiphy
, ibss
.channel
,
5296 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
5297 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
5299 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
5301 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5303 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5304 struct ieee80211_supported_band
*sband
=
5305 wiphy
->bands
[ibss
.channel
->band
];
5307 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
5313 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
5314 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
5315 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
5318 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
5319 connkeys
= nl80211_parse_connkeys(rdev
,
5320 info
->attrs
[NL80211_ATTR_KEYS
]);
5321 if (IS_ERR(connkeys
))
5322 return PTR_ERR(connkeys
);
5326 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
5328 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
5334 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
5336 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5337 struct net_device
*dev
= info
->user_ptr
[1];
5339 if (!rdev
->ops
->leave_ibss
)
5342 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
5345 return cfg80211_leave_ibss(rdev
, dev
, false);
5348 #ifdef CONFIG_NL80211_TESTMODE
5349 static struct genl_multicast_group nl80211_testmode_mcgrp
= {
5353 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
5355 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5358 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
5362 if (rdev
->ops
->testmode_cmd
) {
5363 rdev
->testmode_info
= info
;
5364 err
= rdev
->ops
->testmode_cmd(&rdev
->wiphy
,
5365 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
5366 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
5367 rdev
->testmode_info
= NULL
;
5373 static int nl80211_testmode_dump(struct sk_buff
*skb
,
5374 struct netlink_callback
*cb
)
5376 struct cfg80211_registered_device
*rdev
;
5384 * 0 is a valid index, but not valid for args[0],
5385 * so we need to offset by 1.
5387 phy_idx
= cb
->args
[0] - 1;
5389 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
5390 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
5395 mutex_lock(&cfg80211_mutex
);
5396 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
5397 nl80211_fam
.attrbuf
);
5399 mutex_unlock(&cfg80211_mutex
);
5400 return PTR_ERR(rdev
);
5402 phy_idx
= rdev
->wiphy_idx
;
5404 mutex_unlock(&cfg80211_mutex
);
5406 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
5408 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
5412 data
= nla_data((void *)cb
->args
[1]);
5413 data_len
= nla_len((void *)cb
->args
[1]);
5416 mutex_lock(&cfg80211_mutex
);
5417 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
5419 mutex_unlock(&cfg80211_mutex
);
5422 cfg80211_lock_rdev(rdev
);
5423 mutex_unlock(&cfg80211_mutex
);
5425 if (!rdev
->ops
->testmode_dump
) {
5431 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).pid
,
5432 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5433 NL80211_CMD_TESTMODE
);
5434 struct nlattr
*tmdata
;
5436 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
5437 genlmsg_cancel(skb
, hdr
);
5441 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
5443 genlmsg_cancel(skb
, hdr
);
5446 err
= rdev
->ops
->testmode_dump(&rdev
->wiphy
, skb
, cb
,
5448 nla_nest_end(skb
, tmdata
);
5450 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
5451 genlmsg_cancel(skb
, hdr
);
5454 genlmsg_cancel(skb
, hdr
);
5458 genlmsg_end(skb
, hdr
);
5463 cb
->args
[0] = phy_idx
+ 1;
5465 cfg80211_unlock_rdev(rdev
);
5469 static struct sk_buff
*
5470 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device
*rdev
,
5471 int approxlen
, u32 pid
, u32 seq
, gfp_t gfp
)
5473 struct sk_buff
*skb
;
5475 struct nlattr
*data
;
5477 skb
= nlmsg_new(approxlen
+ 100, gfp
);
5481 hdr
= nl80211hdr_put(skb
, pid
, seq
, 0, NL80211_CMD_TESTMODE
);
5487 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
5488 goto nla_put_failure
;
5489 data
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
5491 ((void **)skb
->cb
)[0] = rdev
;
5492 ((void **)skb
->cb
)[1] = hdr
;
5493 ((void **)skb
->cb
)[2] = data
;
5502 struct sk_buff
*cfg80211_testmode_alloc_reply_skb(struct wiphy
*wiphy
,
5505 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
5507 if (WARN_ON(!rdev
->testmode_info
))
5510 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
,
5511 rdev
->testmode_info
->snd_pid
,
5512 rdev
->testmode_info
->snd_seq
,
5515 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb
);
5517 int cfg80211_testmode_reply(struct sk_buff
*skb
)
5519 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
5520 void *hdr
= ((void **)skb
->cb
)[1];
5521 struct nlattr
*data
= ((void **)skb
->cb
)[2];
5523 if (WARN_ON(!rdev
->testmode_info
)) {
5528 nla_nest_end(skb
, data
);
5529 genlmsg_end(skb
, hdr
);
5530 return genlmsg_reply(skb
, rdev
->testmode_info
);
5532 EXPORT_SYMBOL(cfg80211_testmode_reply
);
5534 struct sk_buff
*cfg80211_testmode_alloc_event_skb(struct wiphy
*wiphy
,
5535 int approxlen
, gfp_t gfp
)
5537 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
5539 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
, 0, 0, gfp
);
5541 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb
);
5543 void cfg80211_testmode_event(struct sk_buff
*skb
, gfp_t gfp
)
5545 void *hdr
= ((void **)skb
->cb
)[1];
5546 struct nlattr
*data
= ((void **)skb
->cb
)[2];
5548 nla_nest_end(skb
, data
);
5549 genlmsg_end(skb
, hdr
);
5550 genlmsg_multicast(skb
, 0, nl80211_testmode_mcgrp
.id
, gfp
);
5552 EXPORT_SYMBOL(cfg80211_testmode_event
);
5555 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
5557 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5558 struct net_device
*dev
= info
->user_ptr
[1];
5559 struct cfg80211_connect_params connect
;
5560 struct wiphy
*wiphy
;
5561 struct cfg80211_cached_keys
*connkeys
= NULL
;
5564 memset(&connect
, 0, sizeof(connect
));
5566 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5569 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
5570 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
5573 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
5575 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
5576 if (!nl80211_valid_auth_type(connect
.auth_type
))
5579 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
5581 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
5583 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
5584 NL80211_MAX_NR_CIPHER_SUITES
);
5588 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5589 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5592 wiphy
= &rdev
->wiphy
;
5594 connect
.bg_scan_period
= -1;
5595 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
5596 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
5597 connect
.bg_scan_period
=
5598 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
5601 if (info
->attrs
[NL80211_ATTR_MAC
])
5602 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5603 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
5604 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
5606 if (info
->attrs
[NL80211_ATTR_IE
]) {
5607 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5608 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5611 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
5613 ieee80211_get_channel(wiphy
,
5614 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
5615 if (!connect
.channel
||
5616 connect
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
5620 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
5621 connkeys
= nl80211_parse_connkeys(rdev
,
5622 info
->attrs
[NL80211_ATTR_KEYS
]);
5623 if (IS_ERR(connkeys
))
5624 return PTR_ERR(connkeys
);
5627 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
5628 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
5630 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
5631 memcpy(&connect
.ht_capa_mask
,
5632 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
5633 sizeof(connect
.ht_capa_mask
));
5635 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
5636 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
5638 memcpy(&connect
.ht_capa
,
5639 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
5640 sizeof(connect
.ht_capa
));
5643 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
);
5649 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
5651 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5652 struct net_device
*dev
= info
->user_ptr
[1];
5655 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
5656 reason
= WLAN_REASON_DEAUTH_LEAVING
;
5658 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5663 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5664 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5667 return cfg80211_disconnect(rdev
, dev
, reason
, true);
5670 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
5672 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5677 if (!info
->attrs
[NL80211_ATTR_PID
])
5680 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
5682 net
= get_net_ns_by_pid(pid
);
5684 return PTR_ERR(net
);
5688 /* check if anything to do */
5689 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
5690 err
= cfg80211_switch_netns(rdev
, net
);
5696 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
5698 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5699 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
5700 struct cfg80211_pmksa
*pmksa
) = NULL
;
5701 struct net_device
*dev
= info
->user_ptr
[1];
5702 struct cfg80211_pmksa pmksa
;
5704 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
5706 if (!info
->attrs
[NL80211_ATTR_MAC
])
5709 if (!info
->attrs
[NL80211_ATTR_PMKID
])
5712 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
5713 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5715 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5716 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5719 switch (info
->genlhdr
->cmd
) {
5720 case NL80211_CMD_SET_PMKSA
:
5721 rdev_ops
= rdev
->ops
->set_pmksa
;
5723 case NL80211_CMD_DEL_PMKSA
:
5724 rdev_ops
= rdev
->ops
->del_pmksa
;
5734 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
5737 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
5739 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5740 struct net_device
*dev
= info
->user_ptr
[1];
5742 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5743 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5746 if (!rdev
->ops
->flush_pmksa
)
5749 return rdev
->ops
->flush_pmksa(&rdev
->wiphy
, dev
);
5752 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
5754 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5755 struct net_device
*dev
= info
->user_ptr
[1];
5756 u8 action_code
, dialog_token
;
5760 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
5761 !rdev
->ops
->tdls_mgmt
)
5764 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
5765 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
5766 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
5767 !info
->attrs
[NL80211_ATTR_IE
] ||
5768 !info
->attrs
[NL80211_ATTR_MAC
])
5771 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5772 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
5773 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
5774 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
5776 return rdev
->ops
->tdls_mgmt(&rdev
->wiphy
, dev
, peer
, action_code
,
5777 dialog_token
, status_code
,
5778 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5779 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
5782 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
5784 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5785 struct net_device
*dev
= info
->user_ptr
[1];
5786 enum nl80211_tdls_operation operation
;
5789 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
5790 !rdev
->ops
->tdls_oper
)
5793 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
5794 !info
->attrs
[NL80211_ATTR_MAC
])
5797 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
5798 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5800 return rdev
->ops
->tdls_oper(&rdev
->wiphy
, dev
, peer
, operation
);
5803 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
5804 struct genl_info
*info
)
5806 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5807 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5808 struct ieee80211_channel
*chan
;
5809 struct sk_buff
*msg
;
5812 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
5816 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5817 !info
->attrs
[NL80211_ATTR_DURATION
])
5820 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
5822 if (!rdev
->ops
->remain_on_channel
||
5823 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
5827 * We should be on that channel for at least a minimum amount of
5828 * time (10ms) but no longer than the driver supports.
5830 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
5831 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
5834 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
] &&
5835 !nl80211_valid_channel_type(info
, &channel_type
))
5838 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
5839 chan
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
5843 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5847 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
5848 NL80211_CMD_REMAIN_ON_CHANNEL
);
5855 err
= rdev
->ops
->remain_on_channel(&rdev
->wiphy
, wdev
, chan
,
5856 channel_type
, duration
, &cookie
);
5861 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
5862 goto nla_put_failure
;
5864 genlmsg_end(msg
, hdr
);
5866 return genlmsg_reply(msg
, info
);
5875 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
5876 struct genl_info
*info
)
5878 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5879 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5882 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
5885 if (!rdev
->ops
->cancel_remain_on_channel
)
5888 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
5890 return rdev
->ops
->cancel_remain_on_channel(&rdev
->wiphy
, wdev
, cookie
);
5893 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
5894 u8
*rates
, u8 rates_len
)
5899 for (i
= 0; i
< rates_len
; i
++) {
5900 int rate
= (rates
[i
] & 0x7f) * 5;
5902 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
5903 struct ieee80211_rate
*srate
=
5904 &sband
->bitrates
[ridx
];
5905 if (rate
== srate
->bitrate
) {
5910 if (ridx
== sband
->n_bitrates
)
5911 return 0; /* rate not found */
5917 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
5918 u8
*rates
, u8 rates_len
,
5919 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
5923 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
5925 for (i
= 0; i
< rates_len
; i
++) {
5928 ridx
= rates
[i
] / 8;
5929 rbit
= BIT(rates
[i
] % 8);
5931 /* check validity */
5932 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
5935 /* check availability */
5936 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
5945 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
5946 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
5947 .len
= NL80211_MAX_SUPP_RATES
},
5948 [NL80211_TXRATE_MCS
] = { .type
= NLA_BINARY
,
5949 .len
= NL80211_MAX_SUPP_HT_RATES
},
5952 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
5953 struct genl_info
*info
)
5955 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
5956 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5957 struct cfg80211_bitrate_mask mask
;
5959 struct net_device
*dev
= info
->user_ptr
[1];
5960 struct nlattr
*tx_rates
;
5961 struct ieee80211_supported_band
*sband
;
5963 if (info
->attrs
[NL80211_ATTR_TX_RATES
] == NULL
)
5966 if (!rdev
->ops
->set_bitrate_mask
)
5969 memset(&mask
, 0, sizeof(mask
));
5970 /* Default to all rates enabled */
5971 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
5972 sband
= rdev
->wiphy
.bands
[i
];
5973 mask
.control
[i
].legacy
=
5974 sband
? (1 << sband
->n_bitrates
) - 1 : 0;
5976 memcpy(mask
.control
[i
].mcs
,
5977 sband
->ht_cap
.mcs
.rx_mask
,
5978 sizeof(mask
.control
[i
].mcs
));
5980 memset(mask
.control
[i
].mcs
, 0,
5981 sizeof(mask
.control
[i
].mcs
));
5985 * The nested attribute uses enum nl80211_band as the index. This maps
5986 * directly to the enum ieee80211_band values used in cfg80211.
5988 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
5989 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
)
5991 enum ieee80211_band band
= nla_type(tx_rates
);
5992 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
5994 sband
= rdev
->wiphy
.bands
[band
];
5997 nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
5998 nla_len(tx_rates
), nl80211_txattr_policy
);
5999 if (tb
[NL80211_TXRATE_LEGACY
]) {
6000 mask
.control
[band
].legacy
= rateset_to_mask(
6002 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
6003 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
6004 if ((mask
.control
[band
].legacy
== 0) &&
6005 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
6008 if (tb
[NL80211_TXRATE_MCS
]) {
6009 if (!ht_rateset_to_mask(
6011 nla_data(tb
[NL80211_TXRATE_MCS
]),
6012 nla_len(tb
[NL80211_TXRATE_MCS
]),
6013 mask
.control
[band
].mcs
))
6017 if (mask
.control
[band
].legacy
== 0) {
6018 /* don't allow empty legacy rates if HT
6019 * is not even supported. */
6020 if (!rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
)
6023 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
6024 if (mask
.control
[band
].mcs
[i
])
6027 /* legacy and mcs rates may not be both empty */
6028 if (i
== IEEE80211_HT_MCS_MASK_LEN
)
6033 return rdev
->ops
->set_bitrate_mask(&rdev
->wiphy
, dev
, NULL
, &mask
);
6036 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
6038 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6039 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6040 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
6042 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
6045 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
6046 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
6048 switch (wdev
->iftype
) {
6049 case NL80211_IFTYPE_STATION
:
6050 case NL80211_IFTYPE_ADHOC
:
6051 case NL80211_IFTYPE_P2P_CLIENT
:
6052 case NL80211_IFTYPE_AP
:
6053 case NL80211_IFTYPE_AP_VLAN
:
6054 case NL80211_IFTYPE_MESH_POINT
:
6055 case NL80211_IFTYPE_P2P_GO
:
6061 /* not much point in registering if we can't reply */
6062 if (!rdev
->ops
->mgmt_tx
)
6065 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_pid
, frame_type
,
6066 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
6067 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
6070 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
6072 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6073 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6074 struct ieee80211_channel
*chan
;
6075 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
6076 bool channel_type_valid
= false;
6081 struct sk_buff
*msg
= NULL
;
6082 unsigned int wait
= 0;
6083 bool offchan
, no_cck
, dont_wait_for_ack
;
6085 dont_wait_for_ack
= info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
];
6087 if (!info
->attrs
[NL80211_ATTR_FRAME
] ||
6088 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6091 if (!rdev
->ops
->mgmt_tx
)
6094 switch (wdev
->iftype
) {
6095 case NL80211_IFTYPE_STATION
:
6096 case NL80211_IFTYPE_ADHOC
:
6097 case NL80211_IFTYPE_P2P_CLIENT
:
6098 case NL80211_IFTYPE_AP
:
6099 case NL80211_IFTYPE_AP_VLAN
:
6100 case NL80211_IFTYPE_MESH_POINT
:
6101 case NL80211_IFTYPE_P2P_GO
:
6107 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
6108 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
6110 wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
6113 * We should wait on the channel for at least a minimum amount
6114 * of time (10ms) but no longer than the driver supports.
6116 if (wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
6117 wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
6122 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
6123 if (!nl80211_valid_channel_type(info
, &channel_type
))
6125 channel_type_valid
= true;
6128 offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
6130 if (offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
6133 no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
6135 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6136 chan
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
6140 if (!dont_wait_for_ack
) {
6141 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6145 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
6154 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, chan
, offchan
, channel_type
,
6155 channel_type_valid
, wait
,
6156 nla_data(info
->attrs
[NL80211_ATTR_FRAME
]),
6157 nla_len(info
->attrs
[NL80211_ATTR_FRAME
]),
6158 no_cck
, dont_wait_for_ack
, &cookie
);
6163 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
6164 goto nla_put_failure
;
6166 genlmsg_end(msg
, hdr
);
6167 return genlmsg_reply(msg
, info
);
6179 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
6181 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6182 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6185 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
6188 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
6191 switch (wdev
->iftype
) {
6192 case NL80211_IFTYPE_STATION
:
6193 case NL80211_IFTYPE_ADHOC
:
6194 case NL80211_IFTYPE_P2P_CLIENT
:
6195 case NL80211_IFTYPE_AP
:
6196 case NL80211_IFTYPE_AP_VLAN
:
6197 case NL80211_IFTYPE_P2P_GO
:
6203 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
6205 return rdev
->ops
->mgmt_tx_cancel_wait(&rdev
->wiphy
, wdev
, cookie
);
6208 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
6210 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6211 struct wireless_dev
*wdev
;
6212 struct net_device
*dev
= info
->user_ptr
[1];
6217 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
6220 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
6222 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
6225 wdev
= dev
->ieee80211_ptr
;
6227 if (!rdev
->ops
->set_power_mgmt
)
6230 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
6232 if (state
== wdev
->ps
)
6235 err
= rdev
->ops
->set_power_mgmt(wdev
->wiphy
, dev
, state
,
6242 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
6244 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6245 enum nl80211_ps_state ps_state
;
6246 struct wireless_dev
*wdev
;
6247 struct net_device
*dev
= info
->user_ptr
[1];
6248 struct sk_buff
*msg
;
6252 wdev
= dev
->ieee80211_ptr
;
6254 if (!rdev
->ops
->set_power_mgmt
)
6257 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6261 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
6262 NL80211_CMD_GET_POWER_SAVE
);
6269 ps_state
= NL80211_PS_ENABLED
;
6271 ps_state
= NL80211_PS_DISABLED
;
6273 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
6274 goto nla_put_failure
;
6276 genlmsg_end(msg
, hdr
);
6277 return genlmsg_reply(msg
, info
);
6286 static struct nla_policy
6287 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] __read_mostly
= {
6288 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
6289 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
6290 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
6291 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
6292 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
6293 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
6296 static int nl80211_set_cqm_txe(struct genl_info
*info
,
6297 u32 rate
, u32 pkts
, u32 intvl
)
6299 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6300 struct wireless_dev
*wdev
;
6301 struct net_device
*dev
= info
->user_ptr
[1];
6303 if ((rate
< 0 || rate
> 100) ||
6304 (intvl
< 0 || intvl
> NL80211_CQM_TXE_MAX_INTVL
))
6307 wdev
= dev
->ieee80211_ptr
;
6309 if (!rdev
->ops
->set_cqm_txe_config
)
6312 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
6313 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6316 return rdev
->ops
->set_cqm_txe_config(wdev
->wiphy
, dev
,
6320 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
6321 s32 threshold
, u32 hysteresis
)
6323 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6324 struct wireless_dev
*wdev
;
6325 struct net_device
*dev
= info
->user_ptr
[1];
6330 wdev
= dev
->ieee80211_ptr
;
6332 if (!rdev
->ops
->set_cqm_rssi_config
)
6335 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
6336 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6339 return rdev
->ops
->set_cqm_rssi_config(wdev
->wiphy
, dev
,
6340 threshold
, hysteresis
);
6343 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
6345 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
6349 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
6355 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
6356 nl80211_attr_cqm_policy
);
6360 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
6361 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
6364 threshold
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
6365 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
6366 err
= nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
6367 } else if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
6368 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
6369 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
6370 u32 rate
, pkts
, intvl
;
6371 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
6372 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
6373 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
6374 err
= nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
6382 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
6384 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6385 struct net_device
*dev
= info
->user_ptr
[1];
6386 struct mesh_config cfg
;
6387 struct mesh_setup setup
;
6390 /* start with default */
6391 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
6392 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
6394 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
6395 /* and parse parameters if given */
6396 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
6401 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
6402 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
6405 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
6406 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
6408 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
6409 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
6410 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
6413 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
6414 /* parse additional setup parameters if given */
6415 err
= nl80211_parse_mesh_setup(info
, &setup
);
6420 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
6421 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
6423 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
] &&
6424 !nl80211_valid_channel_type(info
, &channel_type
))
6427 setup
.channel
= rdev_freq_to_chan(rdev
,
6428 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]),
6432 setup
.channel_type
= channel_type
;
6434 /* cfg80211_join_mesh() will sort it out */
6435 setup
.channel
= NULL
;
6438 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
6441 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
6443 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6444 struct net_device
*dev
= info
->user_ptr
[1];
6446 return cfg80211_leave_mesh(rdev
, dev
);
6450 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
6452 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6453 struct sk_buff
*msg
;
6456 if (!rdev
->wiphy
.wowlan
.flags
&& !rdev
->wiphy
.wowlan
.n_patterns
)
6459 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6463 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
6464 NL80211_CMD_GET_WOWLAN
);
6466 goto nla_put_failure
;
6469 struct nlattr
*nl_wowlan
;
6471 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
6473 goto nla_put_failure
;
6475 if ((rdev
->wowlan
->any
&&
6476 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
6477 (rdev
->wowlan
->disconnect
&&
6478 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
6479 (rdev
->wowlan
->magic_pkt
&&
6480 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
6481 (rdev
->wowlan
->gtk_rekey_failure
&&
6482 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
6483 (rdev
->wowlan
->eap_identity_req
&&
6484 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
6485 (rdev
->wowlan
->four_way_handshake
&&
6486 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
6487 (rdev
->wowlan
->rfkill_release
&&
6488 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
6489 goto nla_put_failure
;
6490 if (rdev
->wowlan
->n_patterns
) {
6491 struct nlattr
*nl_pats
, *nl_pat
;
6494 nl_pats
= nla_nest_start(msg
,
6495 NL80211_WOWLAN_TRIG_PKT_PATTERN
);
6497 goto nla_put_failure
;
6499 for (i
= 0; i
< rdev
->wowlan
->n_patterns
; i
++) {
6500 nl_pat
= nla_nest_start(msg
, i
+ 1);
6502 goto nla_put_failure
;
6503 pat_len
= rdev
->wowlan
->patterns
[i
].pattern_len
;
6504 if (nla_put(msg
, NL80211_WOWLAN_PKTPAT_MASK
,
6505 DIV_ROUND_UP(pat_len
, 8),
6506 rdev
->wowlan
->patterns
[i
].mask
) ||
6507 nla_put(msg
, NL80211_WOWLAN_PKTPAT_PATTERN
,
6509 rdev
->wowlan
->patterns
[i
].pattern
))
6510 goto nla_put_failure
;
6511 nla_nest_end(msg
, nl_pat
);
6513 nla_nest_end(msg
, nl_pats
);
6516 nla_nest_end(msg
, nl_wowlan
);
6519 genlmsg_end(msg
, hdr
);
6520 return genlmsg_reply(msg
, info
);
6527 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
6529 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6530 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
6531 struct cfg80211_wowlan new_triggers
= {};
6532 struct cfg80211_wowlan
*ntrig
;
6533 struct wiphy_wowlan_support
*wowlan
= &rdev
->wiphy
.wowlan
;
6535 bool prev_enabled
= rdev
->wowlan
;
6537 if (!rdev
->wiphy
.wowlan
.flags
&& !rdev
->wiphy
.wowlan
.n_patterns
)
6540 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
6541 cfg80211_rdev_free_wowlan(rdev
);
6542 rdev
->wowlan
= NULL
;
6546 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
6547 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
6548 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
6549 nl80211_wowlan_policy
);
6553 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
6554 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
6556 new_triggers
.any
= true;
6559 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
6560 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
6562 new_triggers
.disconnect
= true;
6565 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
6566 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
6568 new_triggers
.magic_pkt
= true;
6571 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
6574 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
6575 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
6577 new_triggers
.gtk_rekey_failure
= true;
6580 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
6581 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
6583 new_triggers
.eap_identity_req
= true;
6586 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
6587 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
6589 new_triggers
.four_way_handshake
= true;
6592 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
6593 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
6595 new_triggers
.rfkill_release
= true;
6598 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
6601 int rem
, pat_len
, mask_len
;
6602 struct nlattr
*pat_tb
[NUM_NL80211_WOWLAN_PKTPAT
];
6604 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
6607 if (n_patterns
> wowlan
->n_patterns
)
6610 new_triggers
.patterns
= kcalloc(n_patterns
,
6611 sizeof(new_triggers
.patterns
[0]),
6613 if (!new_triggers
.patterns
)
6616 new_triggers
.n_patterns
= n_patterns
;
6619 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
6621 nla_parse(pat_tb
, MAX_NL80211_WOWLAN_PKTPAT
,
6622 nla_data(pat
), nla_len(pat
), NULL
);
6624 if (!pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
] ||
6625 !pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
])
6627 pat_len
= nla_len(pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
]);
6628 mask_len
= DIV_ROUND_UP(pat_len
, 8);
6629 if (nla_len(pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
]) !=
6632 if (pat_len
> wowlan
->pattern_max_len
||
6633 pat_len
< wowlan
->pattern_min_len
)
6636 new_triggers
.patterns
[i
].mask
=
6637 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
6638 if (!new_triggers
.patterns
[i
].mask
) {
6642 new_triggers
.patterns
[i
].pattern
=
6643 new_triggers
.patterns
[i
].mask
+ mask_len
;
6644 memcpy(new_triggers
.patterns
[i
].mask
,
6645 nla_data(pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
]),
6647 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
6648 memcpy(new_triggers
.patterns
[i
].pattern
,
6649 nla_data(pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
]),
6655 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
6660 cfg80211_rdev_free_wowlan(rdev
);
6661 rdev
->wowlan
= ntrig
;
6664 if (rdev
->ops
->set_wakeup
&& prev_enabled
!= !!rdev
->wowlan
)
6665 rdev
->ops
->set_wakeup(&rdev
->wiphy
, rdev
->wowlan
);
6669 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
6670 kfree(new_triggers
.patterns
[i
].mask
);
6671 kfree(new_triggers
.patterns
);
6676 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
6678 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6679 struct net_device
*dev
= info
->user_ptr
[1];
6680 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6681 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
6682 struct cfg80211_gtk_rekey_data rekey_data
;
6685 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
6688 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
6689 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
6690 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
6691 nl80211_rekey_policy
);
6695 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
6697 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
6699 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
6702 memcpy(rekey_data
.kek
, nla_data(tb
[NL80211_REKEY_DATA_KEK
]),
6704 memcpy(rekey_data
.kck
, nla_data(tb
[NL80211_REKEY_DATA_KCK
]),
6706 memcpy(rekey_data
.replay_ctr
,
6707 nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]),
6708 NL80211_REPLAY_CTR_LEN
);
6711 if (!wdev
->current_bss
) {
6716 if (!rdev
->ops
->set_rekey_data
) {
6721 err
= rdev
->ops
->set_rekey_data(&rdev
->wiphy
, dev
, &rekey_data
);
6727 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
6728 struct genl_info
*info
)
6730 struct net_device
*dev
= info
->user_ptr
[1];
6731 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6733 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
6734 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
6737 if (wdev
->ap_unexpected_nlpid
)
6740 wdev
->ap_unexpected_nlpid
= info
->snd_pid
;
6744 static int nl80211_probe_client(struct sk_buff
*skb
,
6745 struct genl_info
*info
)
6747 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6748 struct net_device
*dev
= info
->user_ptr
[1];
6749 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6750 struct sk_buff
*msg
;
6756 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
6757 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
6760 if (!info
->attrs
[NL80211_ATTR_MAC
])
6763 if (!rdev
->ops
->probe_client
)
6766 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6770 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
6771 NL80211_CMD_PROBE_CLIENT
);
6778 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6780 err
= rdev
->ops
->probe_client(&rdev
->wiphy
, dev
, addr
, &cookie
);
6784 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
6785 goto nla_put_failure
;
6787 genlmsg_end(msg
, hdr
);
6789 return genlmsg_reply(msg
, info
);
6798 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
6800 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6802 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
6805 if (rdev
->ap_beacons_nlpid
)
6808 rdev
->ap_beacons_nlpid
= info
->snd_pid
;
6813 #define NL80211_FLAG_NEED_WIPHY 0x01
6814 #define NL80211_FLAG_NEED_NETDEV 0x02
6815 #define NL80211_FLAG_NEED_RTNL 0x04
6816 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
6817 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
6818 NL80211_FLAG_CHECK_NETDEV_UP)
6819 #define NL80211_FLAG_NEED_WDEV 0x10
6820 /* If a netdev is associated, it must be UP */
6821 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
6822 NL80211_FLAG_CHECK_NETDEV_UP)
6824 static int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
6825 struct genl_info
*info
)
6827 struct cfg80211_registered_device
*rdev
;
6828 struct wireless_dev
*wdev
;
6829 struct net_device
*dev
;
6830 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
6835 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
6836 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
6840 return PTR_ERR(rdev
);
6842 info
->user_ptr
[0] = rdev
;
6843 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
6844 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
6845 mutex_lock(&cfg80211_mutex
);
6846 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
6849 mutex_unlock(&cfg80211_mutex
);
6852 return PTR_ERR(wdev
);
6856 rdev
= wiphy_to_dev(wdev
->wiphy
);
6858 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
6860 mutex_unlock(&cfg80211_mutex
);
6866 info
->user_ptr
[1] = dev
;
6868 info
->user_ptr
[1] = wdev
;
6872 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
6873 !netif_running(dev
)) {
6874 mutex_unlock(&cfg80211_mutex
);
6883 cfg80211_lock_rdev(rdev
);
6885 mutex_unlock(&cfg80211_mutex
);
6887 info
->user_ptr
[0] = rdev
;
6893 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
6894 struct genl_info
*info
)
6896 if (info
->user_ptr
[0])
6897 cfg80211_unlock_rdev(info
->user_ptr
[0]);
6898 if (info
->user_ptr
[1]) {
6899 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
6900 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6903 dev_put(wdev
->netdev
);
6905 dev_put(info
->user_ptr
[1]);
6908 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
6912 static struct genl_ops nl80211_ops
[] = {
6914 .cmd
= NL80211_CMD_GET_WIPHY
,
6915 .doit
= nl80211_get_wiphy
,
6916 .dumpit
= nl80211_dump_wiphy
,
6917 .policy
= nl80211_policy
,
6918 /* can be retrieved by unprivileged users */
6919 .internal_flags
= NL80211_FLAG_NEED_WIPHY
,
6922 .cmd
= NL80211_CMD_SET_WIPHY
,
6923 .doit
= nl80211_set_wiphy
,
6924 .policy
= nl80211_policy
,
6925 .flags
= GENL_ADMIN_PERM
,
6926 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
6929 .cmd
= NL80211_CMD_GET_INTERFACE
,
6930 .doit
= nl80211_get_interface
,
6931 .dumpit
= nl80211_dump_interface
,
6932 .policy
= nl80211_policy
,
6933 /* can be retrieved by unprivileged users */
6934 .internal_flags
= NL80211_FLAG_NEED_WDEV
,
6937 .cmd
= NL80211_CMD_SET_INTERFACE
,
6938 .doit
= nl80211_set_interface
,
6939 .policy
= nl80211_policy
,
6940 .flags
= GENL_ADMIN_PERM
,
6941 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
6942 NL80211_FLAG_NEED_RTNL
,
6945 .cmd
= NL80211_CMD_NEW_INTERFACE
,
6946 .doit
= nl80211_new_interface
,
6947 .policy
= nl80211_policy
,
6948 .flags
= GENL_ADMIN_PERM
,
6949 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
6950 NL80211_FLAG_NEED_RTNL
,
6953 .cmd
= NL80211_CMD_DEL_INTERFACE
,
6954 .doit
= nl80211_del_interface
,
6955 .policy
= nl80211_policy
,
6956 .flags
= GENL_ADMIN_PERM
,
6957 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
6958 NL80211_FLAG_NEED_RTNL
,
6961 .cmd
= NL80211_CMD_GET_KEY
,
6962 .doit
= nl80211_get_key
,
6963 .policy
= nl80211_policy
,
6964 .flags
= GENL_ADMIN_PERM
,
6965 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6966 NL80211_FLAG_NEED_RTNL
,
6969 .cmd
= NL80211_CMD_SET_KEY
,
6970 .doit
= nl80211_set_key
,
6971 .policy
= nl80211_policy
,
6972 .flags
= GENL_ADMIN_PERM
,
6973 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6974 NL80211_FLAG_NEED_RTNL
,
6977 .cmd
= NL80211_CMD_NEW_KEY
,
6978 .doit
= nl80211_new_key
,
6979 .policy
= nl80211_policy
,
6980 .flags
= GENL_ADMIN_PERM
,
6981 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6982 NL80211_FLAG_NEED_RTNL
,
6985 .cmd
= NL80211_CMD_DEL_KEY
,
6986 .doit
= nl80211_del_key
,
6987 .policy
= nl80211_policy
,
6988 .flags
= GENL_ADMIN_PERM
,
6989 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6990 NL80211_FLAG_NEED_RTNL
,
6993 .cmd
= NL80211_CMD_SET_BEACON
,
6994 .policy
= nl80211_policy
,
6995 .flags
= GENL_ADMIN_PERM
,
6996 .doit
= nl80211_set_beacon
,
6997 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6998 NL80211_FLAG_NEED_RTNL
,
7001 .cmd
= NL80211_CMD_START_AP
,
7002 .policy
= nl80211_policy
,
7003 .flags
= GENL_ADMIN_PERM
,
7004 .doit
= nl80211_start_ap
,
7005 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7006 NL80211_FLAG_NEED_RTNL
,
7009 .cmd
= NL80211_CMD_STOP_AP
,
7010 .policy
= nl80211_policy
,
7011 .flags
= GENL_ADMIN_PERM
,
7012 .doit
= nl80211_stop_ap
,
7013 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7014 NL80211_FLAG_NEED_RTNL
,
7017 .cmd
= NL80211_CMD_GET_STATION
,
7018 .doit
= nl80211_get_station
,
7019 .dumpit
= nl80211_dump_station
,
7020 .policy
= nl80211_policy
,
7021 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7022 NL80211_FLAG_NEED_RTNL
,
7025 .cmd
= NL80211_CMD_SET_STATION
,
7026 .doit
= nl80211_set_station
,
7027 .policy
= nl80211_policy
,
7028 .flags
= GENL_ADMIN_PERM
,
7029 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7030 NL80211_FLAG_NEED_RTNL
,
7033 .cmd
= NL80211_CMD_NEW_STATION
,
7034 .doit
= nl80211_new_station
,
7035 .policy
= nl80211_policy
,
7036 .flags
= GENL_ADMIN_PERM
,
7037 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7038 NL80211_FLAG_NEED_RTNL
,
7041 .cmd
= NL80211_CMD_DEL_STATION
,
7042 .doit
= nl80211_del_station
,
7043 .policy
= nl80211_policy
,
7044 .flags
= GENL_ADMIN_PERM
,
7045 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7046 NL80211_FLAG_NEED_RTNL
,
7049 .cmd
= NL80211_CMD_GET_MPATH
,
7050 .doit
= nl80211_get_mpath
,
7051 .dumpit
= nl80211_dump_mpath
,
7052 .policy
= nl80211_policy
,
7053 .flags
= GENL_ADMIN_PERM
,
7054 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7055 NL80211_FLAG_NEED_RTNL
,
7058 .cmd
= NL80211_CMD_SET_MPATH
,
7059 .doit
= nl80211_set_mpath
,
7060 .policy
= nl80211_policy
,
7061 .flags
= GENL_ADMIN_PERM
,
7062 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7063 NL80211_FLAG_NEED_RTNL
,
7066 .cmd
= NL80211_CMD_NEW_MPATH
,
7067 .doit
= nl80211_new_mpath
,
7068 .policy
= nl80211_policy
,
7069 .flags
= GENL_ADMIN_PERM
,
7070 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7071 NL80211_FLAG_NEED_RTNL
,
7074 .cmd
= NL80211_CMD_DEL_MPATH
,
7075 .doit
= nl80211_del_mpath
,
7076 .policy
= nl80211_policy
,
7077 .flags
= GENL_ADMIN_PERM
,
7078 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7079 NL80211_FLAG_NEED_RTNL
,
7082 .cmd
= NL80211_CMD_SET_BSS
,
7083 .doit
= nl80211_set_bss
,
7084 .policy
= nl80211_policy
,
7085 .flags
= GENL_ADMIN_PERM
,
7086 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7087 NL80211_FLAG_NEED_RTNL
,
7090 .cmd
= NL80211_CMD_GET_REG
,
7091 .doit
= nl80211_get_reg
,
7092 .policy
= nl80211_policy
,
7093 /* can be retrieved by unprivileged users */
7096 .cmd
= NL80211_CMD_SET_REG
,
7097 .doit
= nl80211_set_reg
,
7098 .policy
= nl80211_policy
,
7099 .flags
= GENL_ADMIN_PERM
,
7102 .cmd
= NL80211_CMD_REQ_SET_REG
,
7103 .doit
= nl80211_req_set_reg
,
7104 .policy
= nl80211_policy
,
7105 .flags
= GENL_ADMIN_PERM
,
7108 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
7109 .doit
= nl80211_get_mesh_config
,
7110 .policy
= nl80211_policy
,
7111 /* can be retrieved by unprivileged users */
7112 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7113 NL80211_FLAG_NEED_RTNL
,
7116 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
7117 .doit
= nl80211_update_mesh_config
,
7118 .policy
= nl80211_policy
,
7119 .flags
= GENL_ADMIN_PERM
,
7120 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7121 NL80211_FLAG_NEED_RTNL
,
7124 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
7125 .doit
= nl80211_trigger_scan
,
7126 .policy
= nl80211_policy
,
7127 .flags
= GENL_ADMIN_PERM
,
7128 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
7129 NL80211_FLAG_NEED_RTNL
,
7132 .cmd
= NL80211_CMD_GET_SCAN
,
7133 .policy
= nl80211_policy
,
7134 .dumpit
= nl80211_dump_scan
,
7137 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
7138 .doit
= nl80211_start_sched_scan
,
7139 .policy
= nl80211_policy
,
7140 .flags
= GENL_ADMIN_PERM
,
7141 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7142 NL80211_FLAG_NEED_RTNL
,
7145 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
7146 .doit
= nl80211_stop_sched_scan
,
7147 .policy
= nl80211_policy
,
7148 .flags
= GENL_ADMIN_PERM
,
7149 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7150 NL80211_FLAG_NEED_RTNL
,
7153 .cmd
= NL80211_CMD_AUTHENTICATE
,
7154 .doit
= nl80211_authenticate
,
7155 .policy
= nl80211_policy
,
7156 .flags
= GENL_ADMIN_PERM
,
7157 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7158 NL80211_FLAG_NEED_RTNL
,
7161 .cmd
= NL80211_CMD_ASSOCIATE
,
7162 .doit
= nl80211_associate
,
7163 .policy
= nl80211_policy
,
7164 .flags
= GENL_ADMIN_PERM
,
7165 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7166 NL80211_FLAG_NEED_RTNL
,
7169 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
7170 .doit
= nl80211_deauthenticate
,
7171 .policy
= nl80211_policy
,
7172 .flags
= GENL_ADMIN_PERM
,
7173 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7174 NL80211_FLAG_NEED_RTNL
,
7177 .cmd
= NL80211_CMD_DISASSOCIATE
,
7178 .doit
= nl80211_disassociate
,
7179 .policy
= nl80211_policy
,
7180 .flags
= GENL_ADMIN_PERM
,
7181 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7182 NL80211_FLAG_NEED_RTNL
,
7185 .cmd
= NL80211_CMD_JOIN_IBSS
,
7186 .doit
= nl80211_join_ibss
,
7187 .policy
= nl80211_policy
,
7188 .flags
= GENL_ADMIN_PERM
,
7189 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7190 NL80211_FLAG_NEED_RTNL
,
7193 .cmd
= NL80211_CMD_LEAVE_IBSS
,
7194 .doit
= nl80211_leave_ibss
,
7195 .policy
= nl80211_policy
,
7196 .flags
= GENL_ADMIN_PERM
,
7197 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7198 NL80211_FLAG_NEED_RTNL
,
7200 #ifdef CONFIG_NL80211_TESTMODE
7202 .cmd
= NL80211_CMD_TESTMODE
,
7203 .doit
= nl80211_testmode_do
,
7204 .dumpit
= nl80211_testmode_dump
,
7205 .policy
= nl80211_policy
,
7206 .flags
= GENL_ADMIN_PERM
,
7207 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7208 NL80211_FLAG_NEED_RTNL
,
7212 .cmd
= NL80211_CMD_CONNECT
,
7213 .doit
= nl80211_connect
,
7214 .policy
= nl80211_policy
,
7215 .flags
= GENL_ADMIN_PERM
,
7216 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7217 NL80211_FLAG_NEED_RTNL
,
7220 .cmd
= NL80211_CMD_DISCONNECT
,
7221 .doit
= nl80211_disconnect
,
7222 .policy
= nl80211_policy
,
7223 .flags
= GENL_ADMIN_PERM
,
7224 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7225 NL80211_FLAG_NEED_RTNL
,
7228 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
7229 .doit
= nl80211_wiphy_netns
,
7230 .policy
= nl80211_policy
,
7231 .flags
= GENL_ADMIN_PERM
,
7232 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7233 NL80211_FLAG_NEED_RTNL
,
7236 .cmd
= NL80211_CMD_GET_SURVEY
,
7237 .policy
= nl80211_policy
,
7238 .dumpit
= nl80211_dump_survey
,
7241 .cmd
= NL80211_CMD_SET_PMKSA
,
7242 .doit
= nl80211_setdel_pmksa
,
7243 .policy
= nl80211_policy
,
7244 .flags
= GENL_ADMIN_PERM
,
7245 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7246 NL80211_FLAG_NEED_RTNL
,
7249 .cmd
= NL80211_CMD_DEL_PMKSA
,
7250 .doit
= nl80211_setdel_pmksa
,
7251 .policy
= nl80211_policy
,
7252 .flags
= GENL_ADMIN_PERM
,
7253 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7254 NL80211_FLAG_NEED_RTNL
,
7257 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
7258 .doit
= nl80211_flush_pmksa
,
7259 .policy
= nl80211_policy
,
7260 .flags
= GENL_ADMIN_PERM
,
7261 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7262 NL80211_FLAG_NEED_RTNL
,
7265 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
7266 .doit
= nl80211_remain_on_channel
,
7267 .policy
= nl80211_policy
,
7268 .flags
= GENL_ADMIN_PERM
,
7269 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
7270 NL80211_FLAG_NEED_RTNL
,
7273 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
7274 .doit
= nl80211_cancel_remain_on_channel
,
7275 .policy
= nl80211_policy
,
7276 .flags
= GENL_ADMIN_PERM
,
7277 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
7278 NL80211_FLAG_NEED_RTNL
,
7281 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
7282 .doit
= nl80211_set_tx_bitrate_mask
,
7283 .policy
= nl80211_policy
,
7284 .flags
= GENL_ADMIN_PERM
,
7285 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7286 NL80211_FLAG_NEED_RTNL
,
7289 .cmd
= NL80211_CMD_REGISTER_FRAME
,
7290 .doit
= nl80211_register_mgmt
,
7291 .policy
= nl80211_policy
,
7292 .flags
= GENL_ADMIN_PERM
,
7293 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
7294 NL80211_FLAG_NEED_RTNL
,
7297 .cmd
= NL80211_CMD_FRAME
,
7298 .doit
= nl80211_tx_mgmt
,
7299 .policy
= nl80211_policy
,
7300 .flags
= GENL_ADMIN_PERM
,
7301 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
7302 NL80211_FLAG_NEED_RTNL
,
7305 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
7306 .doit
= nl80211_tx_mgmt_cancel_wait
,
7307 .policy
= nl80211_policy
,
7308 .flags
= GENL_ADMIN_PERM
,
7309 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
7310 NL80211_FLAG_NEED_RTNL
,
7313 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
7314 .doit
= nl80211_set_power_save
,
7315 .policy
= nl80211_policy
,
7316 .flags
= GENL_ADMIN_PERM
,
7317 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7318 NL80211_FLAG_NEED_RTNL
,
7321 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
7322 .doit
= nl80211_get_power_save
,
7323 .policy
= nl80211_policy
,
7324 /* can be retrieved by unprivileged users */
7325 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7326 NL80211_FLAG_NEED_RTNL
,
7329 .cmd
= NL80211_CMD_SET_CQM
,
7330 .doit
= nl80211_set_cqm
,
7331 .policy
= nl80211_policy
,
7332 .flags
= GENL_ADMIN_PERM
,
7333 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7334 NL80211_FLAG_NEED_RTNL
,
7337 .cmd
= NL80211_CMD_SET_CHANNEL
,
7338 .doit
= nl80211_set_channel
,
7339 .policy
= nl80211_policy
,
7340 .flags
= GENL_ADMIN_PERM
,
7341 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7342 NL80211_FLAG_NEED_RTNL
,
7345 .cmd
= NL80211_CMD_SET_WDS_PEER
,
7346 .doit
= nl80211_set_wds_peer
,
7347 .policy
= nl80211_policy
,
7348 .flags
= GENL_ADMIN_PERM
,
7349 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7350 NL80211_FLAG_NEED_RTNL
,
7353 .cmd
= NL80211_CMD_JOIN_MESH
,
7354 .doit
= nl80211_join_mesh
,
7355 .policy
= nl80211_policy
,
7356 .flags
= GENL_ADMIN_PERM
,
7357 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7358 NL80211_FLAG_NEED_RTNL
,
7361 .cmd
= NL80211_CMD_LEAVE_MESH
,
7362 .doit
= nl80211_leave_mesh
,
7363 .policy
= nl80211_policy
,
7364 .flags
= GENL_ADMIN_PERM
,
7365 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7366 NL80211_FLAG_NEED_RTNL
,
7370 .cmd
= NL80211_CMD_GET_WOWLAN
,
7371 .doit
= nl80211_get_wowlan
,
7372 .policy
= nl80211_policy
,
7373 /* can be retrieved by unprivileged users */
7374 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7375 NL80211_FLAG_NEED_RTNL
,
7378 .cmd
= NL80211_CMD_SET_WOWLAN
,
7379 .doit
= nl80211_set_wowlan
,
7380 .policy
= nl80211_policy
,
7381 .flags
= GENL_ADMIN_PERM
,
7382 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7383 NL80211_FLAG_NEED_RTNL
,
7387 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
7388 .doit
= nl80211_set_rekey_data
,
7389 .policy
= nl80211_policy
,
7390 .flags
= GENL_ADMIN_PERM
,
7391 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7392 NL80211_FLAG_NEED_RTNL
,
7395 .cmd
= NL80211_CMD_TDLS_MGMT
,
7396 .doit
= nl80211_tdls_mgmt
,
7397 .policy
= nl80211_policy
,
7398 .flags
= GENL_ADMIN_PERM
,
7399 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7400 NL80211_FLAG_NEED_RTNL
,
7403 .cmd
= NL80211_CMD_TDLS_OPER
,
7404 .doit
= nl80211_tdls_oper
,
7405 .policy
= nl80211_policy
,
7406 .flags
= GENL_ADMIN_PERM
,
7407 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7408 NL80211_FLAG_NEED_RTNL
,
7411 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
7412 .doit
= nl80211_register_unexpected_frame
,
7413 .policy
= nl80211_policy
,
7414 .flags
= GENL_ADMIN_PERM
,
7415 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7416 NL80211_FLAG_NEED_RTNL
,
7419 .cmd
= NL80211_CMD_PROBE_CLIENT
,
7420 .doit
= nl80211_probe_client
,
7421 .policy
= nl80211_policy
,
7422 .flags
= GENL_ADMIN_PERM
,
7423 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7424 NL80211_FLAG_NEED_RTNL
,
7427 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
7428 .doit
= nl80211_register_beacons
,
7429 .policy
= nl80211_policy
,
7430 .flags
= GENL_ADMIN_PERM
,
7431 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7432 NL80211_FLAG_NEED_RTNL
,
7435 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
7436 .doit
= nl80211_set_noack_map
,
7437 .policy
= nl80211_policy
,
7438 .flags
= GENL_ADMIN_PERM
,
7439 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7440 NL80211_FLAG_NEED_RTNL
,
7445 static struct genl_multicast_group nl80211_mlme_mcgrp
= {
7449 /* multicast groups */
7450 static struct genl_multicast_group nl80211_config_mcgrp
= {
7453 static struct genl_multicast_group nl80211_scan_mcgrp
= {
7456 static struct genl_multicast_group nl80211_regulatory_mcgrp
= {
7457 .name
= "regulatory",
7460 /* notification functions */
7462 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
7464 struct sk_buff
*msg
;
7466 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7470 if (nl80211_send_wiphy(msg
, 0, 0, 0, rdev
) < 0) {
7475 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7476 nl80211_config_mcgrp
.id
, GFP_KERNEL
);
7479 static int nl80211_add_scan_req(struct sk_buff
*msg
,
7480 struct cfg80211_registered_device
*rdev
)
7482 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
7483 struct nlattr
*nest
;
7486 ASSERT_RDEV_LOCK(rdev
);
7491 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
7493 goto nla_put_failure
;
7494 for (i
= 0; i
< req
->n_ssids
; i
++) {
7495 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
7496 goto nla_put_failure
;
7498 nla_nest_end(msg
, nest
);
7500 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
7502 goto nla_put_failure
;
7503 for (i
= 0; i
< req
->n_channels
; i
++) {
7504 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
7505 goto nla_put_failure
;
7507 nla_nest_end(msg
, nest
);
7510 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
7511 goto nla_put_failure
;
7518 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
7519 struct cfg80211_registered_device
*rdev
,
7520 struct wireless_dev
*wdev
,
7521 u32 pid
, u32 seq
, int flags
,
7526 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, cmd
);
7530 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7531 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
7532 wdev
->netdev
->ifindex
)) ||
7533 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
7534 goto nla_put_failure
;
7536 /* ignore errors and send incomplete event anyway */
7537 nl80211_add_scan_req(msg
, rdev
);
7539 return genlmsg_end(msg
, hdr
);
7542 genlmsg_cancel(msg
, hdr
);
7547 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
7548 struct cfg80211_registered_device
*rdev
,
7549 struct net_device
*netdev
,
7550 u32 pid
, u32 seq
, int flags
, u32 cmd
)
7554 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, cmd
);
7558 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7559 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
7560 goto nla_put_failure
;
7562 return genlmsg_end(msg
, hdr
);
7565 genlmsg_cancel(msg
, hdr
);
7569 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
7570 struct wireless_dev
*wdev
)
7572 struct sk_buff
*msg
;
7574 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7578 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
7579 NL80211_CMD_TRIGGER_SCAN
) < 0) {
7584 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7585 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7588 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
7589 struct wireless_dev
*wdev
)
7591 struct sk_buff
*msg
;
7593 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7597 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
7598 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
7603 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7604 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7607 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
7608 struct wireless_dev
*wdev
)
7610 struct sk_buff
*msg
;
7612 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7616 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
7617 NL80211_CMD_SCAN_ABORTED
) < 0) {
7622 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7623 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7626 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
7627 struct net_device
*netdev
)
7629 struct sk_buff
*msg
;
7631 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7635 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
7636 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
7641 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7642 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7645 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
7646 struct net_device
*netdev
, u32 cmd
)
7648 struct sk_buff
*msg
;
7650 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7654 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
7659 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7660 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7664 * This can happen on global regulatory changes or device specific settings
7665 * based on custom world regulatory domains.
7667 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
7669 struct sk_buff
*msg
;
7672 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7676 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
7682 /* Userspace can always count this one always being set */
7683 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
7684 goto nla_put_failure
;
7686 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
7687 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
7688 NL80211_REGDOM_TYPE_WORLD
))
7689 goto nla_put_failure
;
7690 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
7691 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
7692 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
7693 goto nla_put_failure
;
7694 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
7695 request
->intersect
) {
7696 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
7697 NL80211_REGDOM_TYPE_INTERSECTION
))
7698 goto nla_put_failure
;
7700 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
7701 NL80211_REGDOM_TYPE_COUNTRY
) ||
7702 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
7704 goto nla_put_failure
;
7707 if (wiphy_idx_valid(request
->wiphy_idx
) &&
7708 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
7709 goto nla_put_failure
;
7711 genlmsg_end(msg
, hdr
);
7714 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
7721 genlmsg_cancel(msg
, hdr
);
7725 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
7726 struct net_device
*netdev
,
7727 const u8
*buf
, size_t len
,
7728 enum nl80211_commands cmd
, gfp_t gfp
)
7730 struct sk_buff
*msg
;
7733 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7737 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
7743 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7744 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7745 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
7746 goto nla_put_failure
;
7748 genlmsg_end(msg
, hdr
);
7750 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7751 nl80211_mlme_mcgrp
.id
, gfp
);
7755 genlmsg_cancel(msg
, hdr
);
7759 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
7760 struct net_device
*netdev
, const u8
*buf
,
7761 size_t len
, gfp_t gfp
)
7763 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7764 NL80211_CMD_AUTHENTICATE
, gfp
);
7767 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
7768 struct net_device
*netdev
, const u8
*buf
,
7769 size_t len
, gfp_t gfp
)
7771 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7772 NL80211_CMD_ASSOCIATE
, gfp
);
7775 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
7776 struct net_device
*netdev
, const u8
*buf
,
7777 size_t len
, gfp_t gfp
)
7779 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7780 NL80211_CMD_DEAUTHENTICATE
, gfp
);
7783 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
7784 struct net_device
*netdev
, const u8
*buf
,
7785 size_t len
, gfp_t gfp
)
7787 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7788 NL80211_CMD_DISASSOCIATE
, gfp
);
7791 void nl80211_send_unprot_deauth(struct cfg80211_registered_device
*rdev
,
7792 struct net_device
*netdev
, const u8
*buf
,
7793 size_t len
, gfp_t gfp
)
7795 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7796 NL80211_CMD_UNPROT_DEAUTHENTICATE
, gfp
);
7799 void nl80211_send_unprot_disassoc(struct cfg80211_registered_device
*rdev
,
7800 struct net_device
*netdev
, const u8
*buf
,
7801 size_t len
, gfp_t gfp
)
7803 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7804 NL80211_CMD_UNPROT_DISASSOCIATE
, gfp
);
7807 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
7808 struct net_device
*netdev
, int cmd
,
7809 const u8
*addr
, gfp_t gfp
)
7811 struct sk_buff
*msg
;
7814 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7818 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
7824 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7825 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7826 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
7827 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
7828 goto nla_put_failure
;
7830 genlmsg_end(msg
, hdr
);
7832 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7833 nl80211_mlme_mcgrp
.id
, gfp
);
7837 genlmsg_cancel(msg
, hdr
);
7841 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
7842 struct net_device
*netdev
, const u8
*addr
,
7845 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
7849 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
7850 struct net_device
*netdev
, const u8
*addr
,
7853 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
7857 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
7858 struct net_device
*netdev
, const u8
*bssid
,
7859 const u8
*req_ie
, size_t req_ie_len
,
7860 const u8
*resp_ie
, size_t resp_ie_len
,
7861 u16 status
, gfp_t gfp
)
7863 struct sk_buff
*msg
;
7866 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7870 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
7876 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7877 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7878 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
7879 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
7881 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
7883 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
7884 goto nla_put_failure
;
7886 genlmsg_end(msg
, hdr
);
7888 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7889 nl80211_mlme_mcgrp
.id
, gfp
);
7893 genlmsg_cancel(msg
, hdr
);
7898 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
7899 struct net_device
*netdev
, const u8
*bssid
,
7900 const u8
*req_ie
, size_t req_ie_len
,
7901 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
7903 struct sk_buff
*msg
;
7906 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7910 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
7916 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7917 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7918 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
7920 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
7922 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
7923 goto nla_put_failure
;
7925 genlmsg_end(msg
, hdr
);
7927 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7928 nl80211_mlme_mcgrp
.id
, gfp
);
7932 genlmsg_cancel(msg
, hdr
);
7937 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
7938 struct net_device
*netdev
, u16 reason
,
7939 const u8
*ie
, size_t ie_len
, bool from_ap
)
7941 struct sk_buff
*msg
;
7944 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7948 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
7954 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7955 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7956 (from_ap
&& reason
&&
7957 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
7959 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
7960 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
7961 goto nla_put_failure
;
7963 genlmsg_end(msg
, hdr
);
7965 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7966 nl80211_mlme_mcgrp
.id
, GFP_KERNEL
);
7970 genlmsg_cancel(msg
, hdr
);
7975 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
7976 struct net_device
*netdev
, const u8
*bssid
,
7979 struct sk_buff
*msg
;
7982 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7986 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
7992 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7993 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7994 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
7995 goto nla_put_failure
;
7997 genlmsg_end(msg
, hdr
);
7999 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8000 nl80211_mlme_mcgrp
.id
, gfp
);
8004 genlmsg_cancel(msg
, hdr
);
8008 void nl80211_send_new_peer_candidate(struct cfg80211_registered_device
*rdev
,
8009 struct net_device
*netdev
,
8010 const u8
*macaddr
, const u8
* ie
, u8 ie_len
,
8013 struct sk_buff
*msg
;
8016 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8020 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
8026 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8027 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8028 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, macaddr
) ||
8030 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
8031 goto nla_put_failure
;
8033 genlmsg_end(msg
, hdr
);
8035 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8036 nl80211_mlme_mcgrp
.id
, gfp
);
8040 genlmsg_cancel(msg
, hdr
);
8044 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
8045 struct net_device
*netdev
, const u8
*addr
,
8046 enum nl80211_key_type key_type
, int key_id
,
8047 const u8
*tsc
, gfp_t gfp
)
8049 struct sk_buff
*msg
;
8052 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8056 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
8062 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8063 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8064 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
8065 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
8067 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
8068 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
8069 goto nla_put_failure
;
8071 genlmsg_end(msg
, hdr
);
8073 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8074 nl80211_mlme_mcgrp
.id
, gfp
);
8078 genlmsg_cancel(msg
, hdr
);
8082 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
8083 struct ieee80211_channel
*channel_before
,
8084 struct ieee80211_channel
*channel_after
)
8086 struct sk_buff
*msg
;
8088 struct nlattr
*nl_freq
;
8090 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
8094 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
8101 * Since we are applying the beacon hint to a wiphy we know its
8102 * wiphy_idx is valid
8104 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
8105 goto nla_put_failure
;
8108 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
8110 goto nla_put_failure
;
8111 if (nl80211_msg_put_channel(msg
, channel_before
))
8112 goto nla_put_failure
;
8113 nla_nest_end(msg
, nl_freq
);
8116 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
8118 goto nla_put_failure
;
8119 if (nl80211_msg_put_channel(msg
, channel_after
))
8120 goto nla_put_failure
;
8121 nla_nest_end(msg
, nl_freq
);
8123 genlmsg_end(msg
, hdr
);
8126 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
8133 genlmsg_cancel(msg
, hdr
);
8137 static void nl80211_send_remain_on_chan_event(
8138 int cmd
, struct cfg80211_registered_device
*rdev
,
8139 struct wireless_dev
*wdev
, u64 cookie
,
8140 struct ieee80211_channel
*chan
,
8141 enum nl80211_channel_type channel_type
,
8142 unsigned int duration
, gfp_t gfp
)
8144 struct sk_buff
*msg
;
8147 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8151 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
8157 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8158 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
8159 wdev
->netdev
->ifindex
)) ||
8160 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
8161 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
8162 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
, channel_type
) ||
8163 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8164 goto nla_put_failure
;
8166 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
8167 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
8168 goto nla_put_failure
;
8170 genlmsg_end(msg
, hdr
);
8172 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8173 nl80211_mlme_mcgrp
.id
, gfp
);
8177 genlmsg_cancel(msg
, hdr
);
8181 void nl80211_send_remain_on_channel(struct cfg80211_registered_device
*rdev
,
8182 struct wireless_dev
*wdev
, u64 cookie
,
8183 struct ieee80211_channel
*chan
,
8184 enum nl80211_channel_type channel_type
,
8185 unsigned int duration
, gfp_t gfp
)
8187 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
8188 rdev
, wdev
, cookie
, chan
,
8189 channel_type
, duration
, gfp
);
8192 void nl80211_send_remain_on_channel_cancel(
8193 struct cfg80211_registered_device
*rdev
,
8194 struct wireless_dev
*wdev
,
8195 u64 cookie
, struct ieee80211_channel
*chan
,
8196 enum nl80211_channel_type channel_type
, gfp_t gfp
)
8198 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
8199 rdev
, wdev
, cookie
, chan
,
8200 channel_type
, 0, gfp
);
8203 void nl80211_send_sta_event(struct cfg80211_registered_device
*rdev
,
8204 struct net_device
*dev
, const u8
*mac_addr
,
8205 struct station_info
*sinfo
, gfp_t gfp
)
8207 struct sk_buff
*msg
;
8209 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8213 if (nl80211_send_station(msg
, 0, 0, 0,
8214 rdev
, dev
, mac_addr
, sinfo
) < 0) {
8219 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8220 nl80211_mlme_mcgrp
.id
, gfp
);
8223 void nl80211_send_sta_del_event(struct cfg80211_registered_device
*rdev
,
8224 struct net_device
*dev
, const u8
*mac_addr
,
8227 struct sk_buff
*msg
;
8230 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8234 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
8240 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
8241 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
8242 goto nla_put_failure
;
8244 genlmsg_end(msg
, hdr
);
8246 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8247 nl80211_mlme_mcgrp
.id
, gfp
);
8251 genlmsg_cancel(msg
, hdr
);
8255 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
8256 const u8
*addr
, gfp_t gfp
)
8258 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8259 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
8260 struct sk_buff
*msg
;
8263 u32 nlpid
= ACCESS_ONCE(wdev
->ap_unexpected_nlpid
);
8268 msg
= nlmsg_new(100, gfp
);
8272 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
8278 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8279 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
8280 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
8281 goto nla_put_failure
;
8283 err
= genlmsg_end(msg
, hdr
);
8289 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlpid
);
8293 genlmsg_cancel(msg
, hdr
);
8298 bool nl80211_unexpected_frame(struct net_device
*dev
, const u8
*addr
, gfp_t gfp
)
8300 return __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
8304 bool nl80211_unexpected_4addr_frame(struct net_device
*dev
,
8305 const u8
*addr
, gfp_t gfp
)
8307 return __nl80211_unexpected_frame(dev
,
8308 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
8312 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
8313 struct wireless_dev
*wdev
, u32 nlpid
,
8314 int freq
, int sig_dbm
,
8315 const u8
*buf
, size_t len
, gfp_t gfp
)
8317 struct net_device
*netdev
= wdev
->netdev
;
8318 struct sk_buff
*msg
;
8321 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8325 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
8331 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8332 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
8333 netdev
->ifindex
)) ||
8334 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
8336 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
8337 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
8338 goto nla_put_failure
;
8340 genlmsg_end(msg
, hdr
);
8342 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlpid
);
8345 genlmsg_cancel(msg
, hdr
);
8350 void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device
*rdev
,
8351 struct wireless_dev
*wdev
, u64 cookie
,
8352 const u8
*buf
, size_t len
, bool ack
,
8355 struct net_device
*netdev
= wdev
->netdev
;
8356 struct sk_buff
*msg
;
8359 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8363 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
8369 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8370 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
8371 netdev
->ifindex
)) ||
8372 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
8373 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
8374 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
8375 goto nla_put_failure
;
8377 genlmsg_end(msg
, hdr
);
8379 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, gfp
);
8383 genlmsg_cancel(msg
, hdr
);
8388 nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device
*rdev
,
8389 struct net_device
*netdev
,
8390 enum nl80211_cqm_rssi_threshold_event rssi_event
,
8393 struct sk_buff
*msg
;
8394 struct nlattr
*pinfoattr
;
8397 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8401 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
8407 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8408 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
8409 goto nla_put_failure
;
8411 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
8413 goto nla_put_failure
;
8415 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
8417 goto nla_put_failure
;
8419 nla_nest_end(msg
, pinfoattr
);
8421 genlmsg_end(msg
, hdr
);
8423 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8424 nl80211_mlme_mcgrp
.id
, gfp
);
8428 genlmsg_cancel(msg
, hdr
);
8432 void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
8433 struct net_device
*netdev
, const u8
*bssid
,
8434 const u8
*replay_ctr
, gfp_t gfp
)
8436 struct sk_buff
*msg
;
8437 struct nlattr
*rekey_attr
;
8440 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8444 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
8450 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8451 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8452 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
8453 goto nla_put_failure
;
8455 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
8457 goto nla_put_failure
;
8459 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
8460 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
8461 goto nla_put_failure
;
8463 nla_nest_end(msg
, rekey_attr
);
8465 genlmsg_end(msg
, hdr
);
8467 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8468 nl80211_mlme_mcgrp
.id
, gfp
);
8472 genlmsg_cancel(msg
, hdr
);
8476 void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
8477 struct net_device
*netdev
, int index
,
8478 const u8
*bssid
, bool preauth
, gfp_t gfp
)
8480 struct sk_buff
*msg
;
8481 struct nlattr
*attr
;
8484 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8488 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
8494 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8495 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
8496 goto nla_put_failure
;
8498 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
8500 goto nla_put_failure
;
8502 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
8503 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
8505 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
8506 goto nla_put_failure
;
8508 nla_nest_end(msg
, attr
);
8510 genlmsg_end(msg
, hdr
);
8512 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8513 nl80211_mlme_mcgrp
.id
, gfp
);
8517 genlmsg_cancel(msg
, hdr
);
8521 void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
8522 struct net_device
*netdev
, int freq
,
8523 enum nl80211_channel_type type
, gfp_t gfp
)
8525 struct sk_buff
*msg
;
8528 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8532 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY
);
8538 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8539 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
8540 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
, type
))
8541 goto nla_put_failure
;
8543 genlmsg_end(msg
, hdr
);
8545 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8546 nl80211_mlme_mcgrp
.id
, gfp
);
8550 genlmsg_cancel(msg
, hdr
);
8555 nl80211_send_cqm_txe_notify(struct cfg80211_registered_device
*rdev
,
8556 struct net_device
*netdev
, const u8
*peer
,
8557 u32 num_packets
, u32 rate
, u32 intvl
, gfp_t gfp
)
8559 struct sk_buff
*msg
;
8560 struct nlattr
*pinfoattr
;
8563 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
8567 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
8573 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8574 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8575 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
8576 goto nla_put_failure
;
8578 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
8580 goto nla_put_failure
;
8582 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
8583 goto nla_put_failure
;
8585 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
8586 goto nla_put_failure
;
8588 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
8589 goto nla_put_failure
;
8591 nla_nest_end(msg
, pinfoattr
);
8593 genlmsg_end(msg
, hdr
);
8595 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8596 nl80211_mlme_mcgrp
.id
, gfp
);
8600 genlmsg_cancel(msg
, hdr
);
8605 nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device
*rdev
,
8606 struct net_device
*netdev
, const u8
*peer
,
8607 u32 num_packets
, gfp_t gfp
)
8609 struct sk_buff
*msg
;
8610 struct nlattr
*pinfoattr
;
8613 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8617 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
8623 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8624 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8625 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
8626 goto nla_put_failure
;
8628 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
8630 goto nla_put_failure
;
8632 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
8633 goto nla_put_failure
;
8635 nla_nest_end(msg
, pinfoattr
);
8637 genlmsg_end(msg
, hdr
);
8639 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8640 nl80211_mlme_mcgrp
.id
, gfp
);
8644 genlmsg_cancel(msg
, hdr
);
8648 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
8649 u64 cookie
, bool acked
, gfp_t gfp
)
8651 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8652 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
8653 struct sk_buff
*msg
;
8657 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8661 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
8667 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8668 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
8669 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
8670 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
8671 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
8672 goto nla_put_failure
;
8674 err
= genlmsg_end(msg
, hdr
);
8680 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8681 nl80211_mlme_mcgrp
.id
, gfp
);
8685 genlmsg_cancel(msg
, hdr
);
8688 EXPORT_SYMBOL(cfg80211_probe_status
);
8690 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
8691 const u8
*frame
, size_t len
,
8692 int freq
, int sig_dbm
, gfp_t gfp
)
8694 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
8695 struct sk_buff
*msg
;
8697 u32 nlpid
= ACCESS_ONCE(rdev
->ap_beacons_nlpid
);
8702 msg
= nlmsg_new(len
+ 100, gfp
);
8706 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
8712 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8714 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
8716 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
8717 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
8718 goto nla_put_failure
;
8720 genlmsg_end(msg
, hdr
);
8722 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlpid
);
8726 genlmsg_cancel(msg
, hdr
);
8729 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
8731 static int nl80211_netlink_notify(struct notifier_block
* nb
,
8732 unsigned long state
,
8735 struct netlink_notify
*notify
= _notify
;
8736 struct cfg80211_registered_device
*rdev
;
8737 struct wireless_dev
*wdev
;
8739 if (state
!= NETLINK_URELEASE
)
8744 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
8745 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
)
8746 cfg80211_mlme_unregister_socket(wdev
, notify
->pid
);
8747 if (rdev
->ap_beacons_nlpid
== notify
->pid
)
8748 rdev
->ap_beacons_nlpid
= 0;
8756 static struct notifier_block nl80211_netlink_notifier
= {
8757 .notifier_call
= nl80211_netlink_notify
,
8760 /* initialisation/exit functions */
8762 int nl80211_init(void)
8766 err
= genl_register_family_with_ops(&nl80211_fam
,
8767 nl80211_ops
, ARRAY_SIZE(nl80211_ops
));
8771 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_config_mcgrp
);
8775 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_scan_mcgrp
);
8779 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_regulatory_mcgrp
);
8783 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_mlme_mcgrp
);
8787 #ifdef CONFIG_NL80211_TESTMODE
8788 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_testmode_mcgrp
);
8793 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
8799 genl_unregister_family(&nl80211_fam
);
8803 void nl80211_exit(void)
8805 netlink_unregister_notifier(&nl80211_netlink_notifier
);
8806 genl_unregister_family(&nl80211_fam
);