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 portid
, u32 seq
,
502 /* since there is no private header just add the generic one */
503 return genlmsg_put(skb
, portid
, 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 portid
, 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
, portid
, 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
;
1103 CMD(start_p2p_device
, START_P2P_DEVICE
);
1105 #ifdef CONFIG_NL80211_TESTMODE
1106 CMD(testmode_cmd
, TESTMODE
);
1111 if (dev
->ops
->connect
|| dev
->ops
->auth
) {
1113 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1114 goto nla_put_failure
;
1117 if (dev
->ops
->disconnect
|| dev
->ops
->deauth
) {
1119 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1120 goto nla_put_failure
;
1123 nla_nest_end(msg
, nl_cmds
);
1125 if (dev
->ops
->remain_on_channel
&&
1126 (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1127 nla_put_u32(msg
, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1128 dev
->wiphy
.max_remain_on_channel_duration
))
1129 goto nla_put_failure
;
1131 if ((dev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1132 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1133 goto nla_put_failure
;
1137 struct nlattr
*nl_ftypes
, *nl_ifs
;
1138 enum nl80211_iftype ift
;
1140 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1142 goto nla_put_failure
;
1144 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1145 nl_ftypes
= nla_nest_start(msg
, ift
);
1147 goto nla_put_failure
;
1149 stypes
= mgmt_stypes
[ift
].tx
;
1152 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1153 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1154 goto nla_put_failure
;
1158 nla_nest_end(msg
, nl_ftypes
);
1161 nla_nest_end(msg
, nl_ifs
);
1163 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1165 goto nla_put_failure
;
1167 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1168 nl_ftypes
= nla_nest_start(msg
, ift
);
1170 goto nla_put_failure
;
1172 stypes
= mgmt_stypes
[ift
].rx
;
1175 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1176 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1177 goto nla_put_failure
;
1181 nla_nest_end(msg
, nl_ftypes
);
1183 nla_nest_end(msg
, nl_ifs
);
1187 if (dev
->wiphy
.wowlan
.flags
|| dev
->wiphy
.wowlan
.n_patterns
) {
1188 struct nlattr
*nl_wowlan
;
1190 nl_wowlan
= nla_nest_start(msg
,
1191 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1193 goto nla_put_failure
;
1195 if (((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_ANY
) &&
1196 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1197 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1198 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1199 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1200 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1201 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1202 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1203 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1204 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1205 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1206 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1207 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1208 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1209 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1210 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1211 goto nla_put_failure
;
1212 if (dev
->wiphy
.wowlan
.n_patterns
) {
1213 struct nl80211_wowlan_pattern_support pat
= {
1214 .max_patterns
= dev
->wiphy
.wowlan
.n_patterns
,
1216 dev
->wiphy
.wowlan
.pattern_min_len
,
1218 dev
->wiphy
.wowlan
.pattern_max_len
,
1220 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1222 goto nla_put_failure
;
1225 nla_nest_end(msg
, nl_wowlan
);
1229 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1230 dev
->wiphy
.software_iftypes
))
1231 goto nla_put_failure
;
1233 if (nl80211_put_iface_combinations(&dev
->wiphy
, msg
))
1234 goto nla_put_failure
;
1236 if ((dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1237 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1238 dev
->wiphy
.ap_sme_capa
))
1239 goto nla_put_failure
;
1241 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
,
1242 dev
->wiphy
.features
))
1243 goto nla_put_failure
;
1245 if (dev
->wiphy
.ht_capa_mod_mask
&&
1246 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1247 sizeof(*dev
->wiphy
.ht_capa_mod_mask
),
1248 dev
->wiphy
.ht_capa_mod_mask
))
1249 goto nla_put_failure
;
1251 return genlmsg_end(msg
, hdr
);
1254 genlmsg_cancel(msg
, hdr
);
1258 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1261 int start
= cb
->args
[0];
1262 struct cfg80211_registered_device
*dev
;
1264 mutex_lock(&cfg80211_mutex
);
1265 list_for_each_entry(dev
, &cfg80211_rdev_list
, list
) {
1266 if (!net_eq(wiphy_net(&dev
->wiphy
), sock_net(skb
->sk
)))
1270 if (nl80211_send_wiphy(skb
, NETLINK_CB(cb
->skb
).portid
,
1271 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1277 mutex_unlock(&cfg80211_mutex
);
1284 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1286 struct sk_buff
*msg
;
1287 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1289 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1293 if (nl80211_send_wiphy(msg
, info
->snd_portid
, info
->snd_seq
, 0, dev
) < 0) {
1298 return genlmsg_reply(msg
, info
);
1301 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1302 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1303 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1304 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1305 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1306 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1309 static int parse_txq_params(struct nlattr
*tb
[],
1310 struct ieee80211_txq_params
*txq_params
)
1312 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1313 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1314 !tb
[NL80211_TXQ_ATTR_AIFS
])
1317 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1318 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1319 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1320 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1321 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1323 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1329 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1332 * You can only set the channel explicitly for WDS interfaces,
1333 * all others have their channel managed via their respective
1334 * "establish a connection" command (connect, join, ...)
1336 * For AP/GO and mesh mode, the channel can be set with the
1337 * channel userspace API, but is only stored and passed to the
1338 * low-level driver when the AP starts or the mesh is joined.
1339 * This is for backward compatibility, userspace can also give
1340 * the channel in the start-ap or join-mesh commands instead.
1342 * Monitors are special as they are normally slaved to
1343 * whatever else is going on, so they have their own special
1344 * operation to set the monitor channel if possible.
1347 wdev
->iftype
== NL80211_IFTYPE_AP
||
1348 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1349 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1350 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1353 static bool nl80211_valid_channel_type(struct genl_info
*info
,
1354 enum nl80211_channel_type
*channel_type
)
1356 enum nl80211_channel_type tmp
;
1358 if (!info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
])
1361 tmp
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1362 if (tmp
!= NL80211_CHAN_NO_HT
&&
1363 tmp
!= NL80211_CHAN_HT20
&&
1364 tmp
!= NL80211_CHAN_HT40PLUS
&&
1365 tmp
!= NL80211_CHAN_HT40MINUS
)
1369 *channel_type
= tmp
;
1374 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1375 struct wireless_dev
*wdev
,
1376 struct genl_info
*info
)
1378 struct ieee80211_channel
*channel
;
1379 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
1382 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1385 iftype
= wdev
->iftype
;
1387 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1390 if (!nl80211_can_set_dev_channel(wdev
))
1393 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
] &&
1394 !nl80211_valid_channel_type(info
, &channel_type
))
1397 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1399 mutex_lock(&rdev
->devlist_mtx
);
1401 case NL80211_IFTYPE_AP
:
1402 case NL80211_IFTYPE_P2P_GO
:
1403 if (wdev
->beacon_interval
) {
1407 channel
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
1408 if (!channel
|| !cfg80211_can_beacon_sec_chan(&rdev
->wiphy
,
1414 wdev
->preset_chan
= channel
;
1415 wdev
->preset_chantype
= channel_type
;
1418 case NL80211_IFTYPE_MESH_POINT
:
1419 result
= cfg80211_set_mesh_freq(rdev
, wdev
, freq
, channel_type
);
1421 case NL80211_IFTYPE_MONITOR
:
1422 result
= cfg80211_set_monitor_channel(rdev
, freq
, channel_type
);
1427 mutex_unlock(&rdev
->devlist_mtx
);
1432 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
1434 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1435 struct net_device
*netdev
= info
->user_ptr
[1];
1437 return __nl80211_set_channel(rdev
, netdev
->ieee80211_ptr
, info
);
1440 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
1442 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1443 struct net_device
*dev
= info
->user_ptr
[1];
1444 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1447 if (!info
->attrs
[NL80211_ATTR_MAC
])
1450 if (netif_running(dev
))
1453 if (!rdev
->ops
->set_wds_peer
)
1456 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
1459 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1460 return rdev
->ops
->set_wds_peer(wdev
->wiphy
, dev
, bssid
);
1464 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1466 struct cfg80211_registered_device
*rdev
;
1467 struct net_device
*netdev
= NULL
;
1468 struct wireless_dev
*wdev
;
1469 int result
= 0, rem_txq_params
= 0;
1470 struct nlattr
*nl_txq_params
;
1472 u8 retry_short
= 0, retry_long
= 0;
1473 u32 frag_threshold
= 0, rts_threshold
= 0;
1474 u8 coverage_class
= 0;
1477 * Try to find the wiphy and netdev. Normally this
1478 * function shouldn't need the netdev, but this is
1479 * done for backward compatibility -- previously
1480 * setting the channel was done per wiphy, but now
1481 * it is per netdev. Previous userland like hostapd
1482 * also passed a netdev to set_wiphy, so that it is
1483 * possible to let that go to the right netdev!
1485 mutex_lock(&cfg80211_mutex
);
1487 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
1488 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
1490 netdev
= dev_get_by_index(genl_info_net(info
), ifindex
);
1491 if (netdev
&& netdev
->ieee80211_ptr
) {
1492 rdev
= wiphy_to_dev(netdev
->ieee80211_ptr
->wiphy
);
1493 mutex_lock(&rdev
->mtx
);
1499 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
1502 mutex_unlock(&cfg80211_mutex
);
1503 return PTR_ERR(rdev
);
1509 mutex_lock(&rdev
->mtx
);
1510 } else if (nl80211_can_set_dev_channel(netdev
->ieee80211_ptr
))
1511 wdev
= netdev
->ieee80211_ptr
;
1516 * end workaround code, by now the rdev is available
1517 * and locked, and wdev may or may not be NULL.
1520 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
1521 result
= cfg80211_dev_rename(
1522 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
1524 mutex_unlock(&cfg80211_mutex
);
1529 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
1530 struct ieee80211_txq_params txq_params
;
1531 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
1533 if (!rdev
->ops
->set_txq_params
) {
1534 result
= -EOPNOTSUPP
;
1543 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
1544 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
1549 if (!netif_running(netdev
)) {
1554 nla_for_each_nested(nl_txq_params
,
1555 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
1557 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
1558 nla_data(nl_txq_params
),
1559 nla_len(nl_txq_params
),
1561 result
= parse_txq_params(tb
, &txq_params
);
1565 result
= rdev
->ops
->set_txq_params(&rdev
->wiphy
,
1573 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
1574 result
= __nl80211_set_channel(rdev
, wdev
, info
);
1579 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
1580 enum nl80211_tx_power_setting type
;
1583 if (!rdev
->ops
->set_tx_power
) {
1584 result
= -EOPNOTSUPP
;
1588 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
1589 type
= nla_get_u32(info
->attrs
[idx
]);
1591 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
1592 (type
!= NL80211_TX_POWER_AUTOMATIC
)) {
1597 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
1598 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
1599 mbm
= nla_get_u32(info
->attrs
[idx
]);
1602 result
= rdev
->ops
->set_tx_power(&rdev
->wiphy
, type
, mbm
);
1607 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
1608 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
1610 if ((!rdev
->wiphy
.available_antennas_tx
&&
1611 !rdev
->wiphy
.available_antennas_rx
) ||
1612 !rdev
->ops
->set_antenna
) {
1613 result
= -EOPNOTSUPP
;
1617 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
1618 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
1620 /* reject antenna configurations which don't match the
1621 * available antenna masks, except for the "all" mask */
1622 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
1623 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
))) {
1628 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
1629 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
1631 result
= rdev
->ops
->set_antenna(&rdev
->wiphy
, tx_ant
, rx_ant
);
1638 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
1639 retry_short
= nla_get_u8(
1640 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
1641 if (retry_short
== 0) {
1645 changed
|= WIPHY_PARAM_RETRY_SHORT
;
1648 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
1649 retry_long
= nla_get_u8(
1650 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
1651 if (retry_long
== 0) {
1655 changed
|= WIPHY_PARAM_RETRY_LONG
;
1658 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
1659 frag_threshold
= nla_get_u32(
1660 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
1661 if (frag_threshold
< 256) {
1665 if (frag_threshold
!= (u32
) -1) {
1667 * Fragments (apart from the last one) are required to
1668 * have even length. Make the fragmentation code
1669 * simpler by stripping LSB should someone try to use
1670 * odd threshold value.
1672 frag_threshold
&= ~0x1;
1674 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
1677 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
1678 rts_threshold
= nla_get_u32(
1679 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
1680 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
1683 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
1684 coverage_class
= nla_get_u8(
1685 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
1686 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
1690 u8 old_retry_short
, old_retry_long
;
1691 u32 old_frag_threshold
, old_rts_threshold
;
1692 u8 old_coverage_class
;
1694 if (!rdev
->ops
->set_wiphy_params
) {
1695 result
= -EOPNOTSUPP
;
1699 old_retry_short
= rdev
->wiphy
.retry_short
;
1700 old_retry_long
= rdev
->wiphy
.retry_long
;
1701 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
1702 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
1703 old_coverage_class
= rdev
->wiphy
.coverage_class
;
1705 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1706 rdev
->wiphy
.retry_short
= retry_short
;
1707 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1708 rdev
->wiphy
.retry_long
= retry_long
;
1709 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
1710 rdev
->wiphy
.frag_threshold
= frag_threshold
;
1711 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
1712 rdev
->wiphy
.rts_threshold
= rts_threshold
;
1713 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
1714 rdev
->wiphy
.coverage_class
= coverage_class
;
1716 result
= rdev
->ops
->set_wiphy_params(&rdev
->wiphy
, changed
);
1718 rdev
->wiphy
.retry_short
= old_retry_short
;
1719 rdev
->wiphy
.retry_long
= old_retry_long
;
1720 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
1721 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
1722 rdev
->wiphy
.coverage_class
= old_coverage_class
;
1727 mutex_unlock(&rdev
->mtx
);
1733 static inline u64
wdev_id(struct wireless_dev
*wdev
)
1735 return (u64
)wdev
->identifier
|
1736 ((u64
)wiphy_to_dev(wdev
->wiphy
)->wiphy_idx
<< 32);
1739 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
1740 struct cfg80211_registered_device
*rdev
,
1741 struct wireless_dev
*wdev
)
1743 struct net_device
*dev
= wdev
->netdev
;
1746 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
1751 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
1752 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
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(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
1759 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1760 rdev
->devlist_generation
^
1761 (cfg80211_rdev_list_generation
<< 2)))
1762 goto nla_put_failure
;
1764 if (rdev
->ops
->get_channel
) {
1765 struct ieee80211_channel
*chan
;
1766 enum nl80211_channel_type channel_type
;
1768 chan
= rdev
->ops
->get_channel(&rdev
->wiphy
, wdev
,
1771 (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
1772 chan
->center_freq
) ||
1773 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
1775 goto nla_put_failure
;
1778 return genlmsg_end(msg
, hdr
);
1781 genlmsg_cancel(msg
, hdr
);
1785 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1789 int wp_start
= cb
->args
[0];
1790 int if_start
= cb
->args
[1];
1791 struct cfg80211_registered_device
*rdev
;
1792 struct wireless_dev
*wdev
;
1794 mutex_lock(&cfg80211_mutex
);
1795 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1796 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1798 if (wp_idx
< wp_start
) {
1804 mutex_lock(&rdev
->devlist_mtx
);
1805 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
1806 if (if_idx
< if_start
) {
1810 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
1811 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1813 mutex_unlock(&rdev
->devlist_mtx
);
1818 mutex_unlock(&rdev
->devlist_mtx
);
1823 mutex_unlock(&cfg80211_mutex
);
1825 cb
->args
[0] = wp_idx
;
1826 cb
->args
[1] = if_idx
;
1831 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1833 struct sk_buff
*msg
;
1834 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1835 struct wireless_dev
*wdev
= info
->user_ptr
[1];
1837 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1841 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
1847 return genlmsg_reply(msg
, info
);
1850 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
1851 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
1852 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
1853 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
1854 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
1855 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
1858 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
1860 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
1868 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
1869 nla
, mntr_flags_policy
))
1872 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
1874 *mntrflags
|= (1<<flag
);
1879 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
1880 struct net_device
*netdev
, u8 use_4addr
,
1881 enum nl80211_iftype iftype
)
1884 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
1890 case NL80211_IFTYPE_AP_VLAN
:
1891 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
1894 case NL80211_IFTYPE_STATION
:
1895 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
1905 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1907 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1908 struct vif_params params
;
1910 enum nl80211_iftype otype
, ntype
;
1911 struct net_device
*dev
= info
->user_ptr
[1];
1912 u32 _flags
, *flags
= NULL
;
1913 bool change
= false;
1915 memset(¶ms
, 0, sizeof(params
));
1917 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
1919 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
1920 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
1923 if (ntype
> NL80211_IFTYPE_MAX
)
1927 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
1928 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1930 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
1932 if (netif_running(dev
))
1936 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
1937 IEEE80211_MAX_MESH_ID_LEN
);
1938 wdev
->mesh_id_up_len
=
1939 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
1940 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
1941 wdev
->mesh_id_up_len
);
1945 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
1946 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
1948 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
1952 params
.use_4addr
= -1;
1955 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
1956 if (ntype
!= NL80211_IFTYPE_MONITOR
)
1958 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
1968 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
1972 if (!err
&& params
.use_4addr
!= -1)
1973 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
1978 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1980 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1981 struct vif_params params
;
1982 struct wireless_dev
*wdev
;
1983 struct sk_buff
*msg
;
1985 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
1988 memset(¶ms
, 0, sizeof(params
));
1990 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
1993 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
1994 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
1995 if (type
> NL80211_IFTYPE_MAX
)
1999 if (!rdev
->ops
->add_virtual_intf
||
2000 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2003 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2004 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2005 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2010 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2014 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2015 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2017 wdev
= rdev
->ops
->add_virtual_intf(&rdev
->wiphy
,
2018 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2019 type
, err
? NULL
: &flags
, ¶ms
);
2022 return PTR_ERR(wdev
);
2026 case NL80211_IFTYPE_MESH_POINT
:
2027 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2030 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2031 IEEE80211_MAX_MESH_ID_LEN
);
2032 wdev
->mesh_id_up_len
=
2033 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2034 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2035 wdev
->mesh_id_up_len
);
2038 case NL80211_IFTYPE_P2P_DEVICE
:
2040 * P2P Device doesn't have a netdev, so doesn't go
2041 * through the netdev notifier and must be added here
2043 mutex_init(&wdev
->mtx
);
2044 INIT_LIST_HEAD(&wdev
->event_list
);
2045 spin_lock_init(&wdev
->event_lock
);
2046 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2047 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2049 mutex_lock(&rdev
->devlist_mtx
);
2050 wdev
->identifier
= ++rdev
->wdev_id
;
2051 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2052 rdev
->devlist_generation
++;
2053 mutex_unlock(&rdev
->devlist_mtx
);
2059 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2065 return genlmsg_reply(msg
, info
);
2068 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2070 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2071 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2073 if (!rdev
->ops
->del_virtual_intf
)
2077 * If we remove a wireless device without a netdev then clear
2078 * user_ptr[1] so that nl80211_post_doit won't dereference it
2079 * to check if it needs to do dev_put(). Otherwise it crashes
2080 * since the wdev has been freed, unlike with a netdev where
2081 * we need the dev_put() for the netdev to really be freed.
2084 info
->user_ptr
[1] = NULL
;
2086 return rdev
->ops
->del_virtual_intf(&rdev
->wiphy
, wdev
);
2089 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2091 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2092 struct net_device
*dev
= info
->user_ptr
[1];
2095 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2098 if (!rdev
->ops
->set_noack_map
)
2101 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2103 return rdev
->ops
->set_noack_map(&rdev
->wiphy
, dev
, noack_map
);
2106 struct get_key_cookie
{
2107 struct sk_buff
*msg
;
2112 static void get_key_callback(void *c
, struct key_params
*params
)
2115 struct get_key_cookie
*cookie
= c
;
2118 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2119 params
->key_len
, params
->key
)) ||
2121 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2122 params
->seq_len
, params
->seq
)) ||
2124 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2126 goto nla_put_failure
;
2128 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2130 goto nla_put_failure
;
2133 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2134 params
->key_len
, params
->key
)) ||
2136 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2137 params
->seq_len
, params
->seq
)) ||
2139 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2141 goto nla_put_failure
;
2143 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2144 goto nla_put_failure
;
2146 nla_nest_end(cookie
->msg
, key
);
2153 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2155 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2157 struct net_device
*dev
= info
->user_ptr
[1];
2159 const u8
*mac_addr
= NULL
;
2161 struct get_key_cookie cookie
= {
2165 struct sk_buff
*msg
;
2167 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2168 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2173 if (info
->attrs
[NL80211_ATTR_MAC
])
2174 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2176 pairwise
= !!mac_addr
;
2177 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2178 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2179 if (kt
>= NUM_NL80211_KEYTYPES
)
2181 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2182 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2184 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2187 if (!rdev
->ops
->get_key
)
2190 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2194 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2195 NL80211_CMD_NEW_KEY
);
2197 return PTR_ERR(hdr
);
2200 cookie
.idx
= key_idx
;
2202 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2203 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2204 goto nla_put_failure
;
2206 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2207 goto nla_put_failure
;
2209 if (pairwise
&& mac_addr
&&
2210 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2213 err
= rdev
->ops
->get_key(&rdev
->wiphy
, dev
, key_idx
, pairwise
,
2214 mac_addr
, &cookie
, get_key_callback
);
2220 goto nla_put_failure
;
2222 genlmsg_end(msg
, hdr
);
2223 return genlmsg_reply(msg
, info
);
2232 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2234 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2235 struct key_parse key
;
2237 struct net_device
*dev
= info
->user_ptr
[1];
2239 err
= nl80211_parse_key(info
, &key
);
2246 /* only support setting default key */
2247 if (!key
.def
&& !key
.defmgmt
)
2250 wdev_lock(dev
->ieee80211_ptr
);
2253 if (!rdev
->ops
->set_default_key
) {
2258 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2262 err
= rdev
->ops
->set_default_key(&rdev
->wiphy
, dev
, key
.idx
,
2263 key
.def_uni
, key
.def_multi
);
2268 #ifdef CONFIG_CFG80211_WEXT
2269 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2272 if (key
.def_uni
|| !key
.def_multi
) {
2277 if (!rdev
->ops
->set_default_mgmt_key
) {
2282 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2286 err
= rdev
->ops
->set_default_mgmt_key(&rdev
->wiphy
,
2291 #ifdef CONFIG_CFG80211_WEXT
2292 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2297 wdev_unlock(dev
->ieee80211_ptr
);
2302 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2304 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2306 struct net_device
*dev
= info
->user_ptr
[1];
2307 struct key_parse key
;
2308 const u8
*mac_addr
= NULL
;
2310 err
= nl80211_parse_key(info
, &key
);
2317 if (info
->attrs
[NL80211_ATTR_MAC
])
2318 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2320 if (key
.type
== -1) {
2322 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2324 key
.type
= NL80211_KEYTYPE_GROUP
;
2328 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2329 key
.type
!= NL80211_KEYTYPE_GROUP
)
2332 if (!rdev
->ops
->add_key
)
2335 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
2336 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2340 wdev_lock(dev
->ieee80211_ptr
);
2341 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2343 err
= rdev
->ops
->add_key(&rdev
->wiphy
, dev
, key
.idx
,
2344 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2346 wdev_unlock(dev
->ieee80211_ptr
);
2351 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
2353 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2355 struct net_device
*dev
= info
->user_ptr
[1];
2356 u8
*mac_addr
= NULL
;
2357 struct key_parse key
;
2359 err
= nl80211_parse_key(info
, &key
);
2363 if (info
->attrs
[NL80211_ATTR_MAC
])
2364 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2366 if (key
.type
== -1) {
2368 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2370 key
.type
= NL80211_KEYTYPE_GROUP
;
2374 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2375 key
.type
!= NL80211_KEYTYPE_GROUP
)
2378 if (!rdev
->ops
->del_key
)
2381 wdev_lock(dev
->ieee80211_ptr
);
2382 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2384 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
2385 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2389 err
= rdev
->ops
->del_key(&rdev
->wiphy
, dev
, key
.idx
,
2390 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2393 #ifdef CONFIG_CFG80211_WEXT
2395 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
2396 dev
->ieee80211_ptr
->wext
.default_key
= -1;
2397 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
2398 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
2401 wdev_unlock(dev
->ieee80211_ptr
);
2406 static int nl80211_parse_beacon(struct genl_info
*info
,
2407 struct cfg80211_beacon_data
*bcn
)
2409 bool haveinfo
= false;
2411 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
2412 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]) ||
2413 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
2414 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
2417 memset(bcn
, 0, sizeof(*bcn
));
2419 if (info
->attrs
[NL80211_ATTR_BEACON_HEAD
]) {
2420 bcn
->head
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
2421 bcn
->head_len
= nla_len(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
2427 if (info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) {
2428 bcn
->tail
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
2430 nla_len(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
2437 if (info
->attrs
[NL80211_ATTR_IE
]) {
2438 bcn
->beacon_ies
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
2439 bcn
->beacon_ies_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
2442 if (info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
2443 bcn
->proberesp_ies
=
2444 nla_data(info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
2445 bcn
->proberesp_ies_len
=
2446 nla_len(info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
2449 if (info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
2450 bcn
->assocresp_ies
=
2451 nla_data(info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
2452 bcn
->assocresp_ies_len
=
2453 nla_len(info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
2456 if (info
->attrs
[NL80211_ATTR_PROBE_RESP
]) {
2458 nla_data(info
->attrs
[NL80211_ATTR_PROBE_RESP
]);
2459 bcn
->probe_resp_len
=
2460 nla_len(info
->attrs
[NL80211_ATTR_PROBE_RESP
]);
2466 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
2467 struct cfg80211_ap_settings
*params
)
2469 struct wireless_dev
*wdev
;
2472 mutex_lock(&rdev
->devlist_mtx
);
2474 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2475 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
2476 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2479 if (!wdev
->preset_chan
)
2482 params
->channel
= wdev
->preset_chan
;
2483 params
->channel_type
= wdev
->preset_chantype
;
2488 mutex_unlock(&rdev
->devlist_mtx
);
2493 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
2495 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2496 struct net_device
*dev
= info
->user_ptr
[1];
2497 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2498 struct cfg80211_ap_settings params
;
2501 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2502 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2505 if (!rdev
->ops
->start_ap
)
2508 if (wdev
->beacon_interval
)
2511 memset(¶ms
, 0, sizeof(params
));
2513 /* these are required for START_AP */
2514 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
2515 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
2516 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
2519 err
= nl80211_parse_beacon(info
, ¶ms
.beacon
);
2523 params
.beacon_interval
=
2524 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
2525 params
.dtim_period
=
2526 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
2528 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
2533 * In theory, some of these attributes should be required here
2534 * but since they were not used when the command was originally
2535 * added, keep them optional for old user space programs to let
2536 * them continue to work with drivers that do not need the
2537 * additional information -- drivers must check!
2539 if (info
->attrs
[NL80211_ATTR_SSID
]) {
2540 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
2542 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
2543 if (params
.ssid_len
== 0 ||
2544 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
2548 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
2549 params
.hidden_ssid
= nla_get_u32(
2550 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
2551 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
2552 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
2553 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
2557 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
2559 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
2560 params
.auth_type
= nla_get_u32(
2561 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
2562 if (!nl80211_valid_auth_type(params
.auth_type
))
2565 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
2567 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
2568 NL80211_MAX_NR_CIPHER_SUITES
);
2572 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
2573 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
2575 params
.inactivity_timeout
= nla_get_u16(
2576 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
2579 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2580 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
2582 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
] &&
2583 !nl80211_valid_channel_type(info
, &channel_type
))
2586 params
.channel
= rdev_freq_to_chan(rdev
,
2587 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]),
2589 if (!params
.channel
)
2591 params
.channel_type
= channel_type
;
2592 } else if (wdev
->preset_chan
) {
2593 params
.channel
= wdev
->preset_chan
;
2594 params
.channel_type
= wdev
->preset_chantype
;
2595 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
2598 if (!cfg80211_can_beacon_sec_chan(&rdev
->wiphy
, params
.channel
,
2599 params
.channel_type
))
2602 mutex_lock(&rdev
->devlist_mtx
);
2603 err
= cfg80211_can_use_chan(rdev
, wdev
, params
.channel
,
2605 mutex_unlock(&rdev
->devlist_mtx
);
2610 err
= rdev
->ops
->start_ap(&rdev
->wiphy
, dev
, ¶ms
);
2612 wdev
->preset_chan
= params
.channel
;
2613 wdev
->preset_chantype
= params
.channel_type
;
2614 wdev
->beacon_interval
= params
.beacon_interval
;
2615 wdev
->channel
= params
.channel
;
2620 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
2622 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2623 struct net_device
*dev
= info
->user_ptr
[1];
2624 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2625 struct cfg80211_beacon_data params
;
2628 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2629 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2632 if (!rdev
->ops
->change_beacon
)
2635 if (!wdev
->beacon_interval
)
2638 err
= nl80211_parse_beacon(info
, ¶ms
);
2642 return rdev
->ops
->change_beacon(&rdev
->wiphy
, dev
, ¶ms
);
2645 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
2647 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2648 struct net_device
*dev
= info
->user_ptr
[1];
2650 return cfg80211_stop_ap(rdev
, dev
);
2653 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
2654 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
2655 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
2656 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
2657 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
2658 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
2659 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
2662 static int parse_station_flags(struct genl_info
*info
,
2663 enum nl80211_iftype iftype
,
2664 struct station_parameters
*params
)
2666 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
2671 * Try parsing the new attribute first so userspace
2672 * can specify both for older kernels.
2674 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
2676 struct nl80211_sta_flag_update
*sta_flags
;
2678 sta_flags
= nla_data(nla
);
2679 params
->sta_flags_mask
= sta_flags
->mask
;
2680 params
->sta_flags_set
= sta_flags
->set
;
2681 if ((params
->sta_flags_mask
|
2682 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
2687 /* if present, parse the old attribute */
2689 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
2693 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
2694 nla
, sta_flags_policy
))
2698 * Only allow certain flags for interface types so that
2699 * other attributes are silently ignored. Remember that
2700 * this is backward compatibility code with old userspace
2701 * and shouldn't be hit in other cases anyway.
2704 case NL80211_IFTYPE_AP
:
2705 case NL80211_IFTYPE_AP_VLAN
:
2706 case NL80211_IFTYPE_P2P_GO
:
2707 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
2708 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
2709 BIT(NL80211_STA_FLAG_WME
) |
2710 BIT(NL80211_STA_FLAG_MFP
);
2712 case NL80211_IFTYPE_P2P_CLIENT
:
2713 case NL80211_IFTYPE_STATION
:
2714 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
2715 BIT(NL80211_STA_FLAG_TDLS_PEER
);
2717 case NL80211_IFTYPE_MESH_POINT
:
2718 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
2719 BIT(NL80211_STA_FLAG_MFP
) |
2720 BIT(NL80211_STA_FLAG_AUTHORIZED
);
2725 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
2727 params
->sta_flags_set
|= (1<<flag
);
2729 /* no longer support new API additions in old API */
2730 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
2738 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
2741 struct nlattr
*rate
;
2745 rate
= nla_nest_start(msg
, attr
);
2747 goto nla_put_failure
;
2749 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
2750 bitrate
= cfg80211_calculate_bitrate(info
);
2751 /* report 16-bit bitrate only if we can */
2752 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
2754 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
)) ||
2755 (bitrate_compat
> 0 &&
2756 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
)) ||
2757 ((info
->flags
& RATE_INFO_FLAGS_MCS
) &&
2758 nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
)) ||
2759 ((info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
) &&
2760 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
)) ||
2761 ((info
->flags
& RATE_INFO_FLAGS_SHORT_GI
) &&
2762 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
)))
2763 goto nla_put_failure
;
2765 nla_nest_end(msg
, rate
);
2772 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
2774 struct cfg80211_registered_device
*rdev
,
2775 struct net_device
*dev
,
2776 const u8
*mac_addr
, struct station_info
*sinfo
)
2779 struct nlattr
*sinfoattr
, *bss_param
;
2781 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
2785 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2786 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
2787 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
2788 goto nla_put_failure
;
2790 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
2792 goto nla_put_failure
;
2793 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
2794 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
2795 sinfo
->connected_time
))
2796 goto nla_put_failure
;
2797 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
2798 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
2799 sinfo
->inactive_time
))
2800 goto nla_put_failure
;
2801 if ((sinfo
->filled
& STATION_INFO_RX_BYTES
) &&
2802 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
2804 goto nla_put_failure
;
2805 if ((sinfo
->filled
& STATION_INFO_TX_BYTES
) &&
2806 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
2808 goto nla_put_failure
;
2809 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
2810 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
2811 goto nla_put_failure
;
2812 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
2813 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
2814 goto nla_put_failure
;
2815 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
2816 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
2817 sinfo
->plink_state
))
2818 goto nla_put_failure
;
2819 switch (rdev
->wiphy
.signal_type
) {
2820 case CFG80211_SIGNAL_TYPE_MBM
:
2821 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
2822 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
2824 goto nla_put_failure
;
2825 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
2826 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
2828 goto nla_put_failure
;
2833 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
2834 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
2835 NL80211_STA_INFO_TX_BITRATE
))
2836 goto nla_put_failure
;
2838 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
2839 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
2840 NL80211_STA_INFO_RX_BITRATE
))
2841 goto nla_put_failure
;
2843 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
2844 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
2846 goto nla_put_failure
;
2847 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
2848 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
2850 goto nla_put_failure
;
2851 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
2852 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
2854 goto nla_put_failure
;
2855 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
2856 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
2858 goto nla_put_failure
;
2859 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
2860 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
2861 sinfo
->beacon_loss_count
))
2862 goto nla_put_failure
;
2863 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
2864 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
2866 goto nla_put_failure
;
2868 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
2869 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
2870 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
2871 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
2872 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
2873 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
2874 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
2875 sinfo
->bss_param
.dtim_period
) ||
2876 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
2877 sinfo
->bss_param
.beacon_interval
))
2878 goto nla_put_failure
;
2880 nla_nest_end(msg
, bss_param
);
2882 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
2883 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
2884 sizeof(struct nl80211_sta_flag_update
),
2886 goto nla_put_failure
;
2887 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
2888 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
2890 goto nla_put_failure
;
2891 nla_nest_end(msg
, sinfoattr
);
2893 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
2894 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
2895 sinfo
->assoc_req_ies
))
2896 goto nla_put_failure
;
2898 return genlmsg_end(msg
, hdr
);
2901 genlmsg_cancel(msg
, hdr
);
2905 static int nl80211_dump_station(struct sk_buff
*skb
,
2906 struct netlink_callback
*cb
)
2908 struct station_info sinfo
;
2909 struct cfg80211_registered_device
*dev
;
2910 struct net_device
*netdev
;
2911 u8 mac_addr
[ETH_ALEN
];
2912 int sta_idx
= cb
->args
[1];
2915 err
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
2919 if (!dev
->ops
->dump_station
) {
2925 memset(&sinfo
, 0, sizeof(sinfo
));
2926 err
= dev
->ops
->dump_station(&dev
->wiphy
, netdev
, sta_idx
,
2933 if (nl80211_send_station(skb
,
2934 NETLINK_CB(cb
->skb
).portid
,
2935 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2936 dev
, netdev
, mac_addr
,
2945 cb
->args
[1] = sta_idx
;
2948 nl80211_finish_netdev_dump(dev
);
2953 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
2955 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2956 struct net_device
*dev
= info
->user_ptr
[1];
2957 struct station_info sinfo
;
2958 struct sk_buff
*msg
;
2959 u8
*mac_addr
= NULL
;
2962 memset(&sinfo
, 0, sizeof(sinfo
));
2964 if (!info
->attrs
[NL80211_ATTR_MAC
])
2967 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2969 if (!rdev
->ops
->get_station
)
2972 err
= rdev
->ops
->get_station(&rdev
->wiphy
, dev
, mac_addr
, &sinfo
);
2976 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2980 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2981 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
2986 return genlmsg_reply(msg
, info
);
2990 * Get vlan interface making sure it is running and on the right wiphy.
2992 static struct net_device
*get_vlan(struct genl_info
*info
,
2993 struct cfg80211_registered_device
*rdev
)
2995 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
2996 struct net_device
*v
;
3002 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
3004 return ERR_PTR(-ENODEV
);
3006 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
3011 if (!netif_running(v
)) {
3019 return ERR_PTR(ret
);
3022 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
3024 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3026 struct net_device
*dev
= info
->user_ptr
[1];
3027 struct station_parameters params
;
3028 u8
*mac_addr
= NULL
;
3030 memset(¶ms
, 0, sizeof(params
));
3032 params
.listen_interval
= -1;
3033 params
.plink_state
= -1;
3035 if (info
->attrs
[NL80211_ATTR_STA_AID
])
3038 if (!info
->attrs
[NL80211_ATTR_MAC
])
3041 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3043 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
3044 params
.supported_rates
=
3045 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3046 params
.supported_rates_len
=
3047 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3050 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
3051 params
.listen_interval
=
3052 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
3054 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
3056 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
3058 if (!rdev
->ops
->change_station
)
3061 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
3064 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
3065 params
.plink_action
=
3066 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
3068 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
])
3069 params
.plink_state
=
3070 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
3072 switch (dev
->ieee80211_ptr
->iftype
) {
3073 case NL80211_IFTYPE_AP
:
3074 case NL80211_IFTYPE_AP_VLAN
:
3075 case NL80211_IFTYPE_P2P_GO
:
3076 /* disallow mesh-specific things */
3077 if (params
.plink_action
)
3080 /* TDLS can't be set, ... */
3081 if (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3084 * ... but don't bother the driver with it. This works around
3085 * a hostapd/wpa_supplicant issue -- it always includes the
3086 * TLDS_PEER flag in the mask even for AP mode.
3088 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3090 /* accept only the listed bits */
3091 if (params
.sta_flags_mask
&
3092 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3093 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3094 BIT(NL80211_STA_FLAG_WME
) |
3095 BIT(NL80211_STA_FLAG_MFP
)))
3098 /* must be last in here for error handling */
3099 params
.vlan
= get_vlan(info
, rdev
);
3100 if (IS_ERR(params
.vlan
))
3101 return PTR_ERR(params
.vlan
);
3103 case NL80211_IFTYPE_P2P_CLIENT
:
3104 case NL80211_IFTYPE_STATION
:
3106 * Don't allow userspace to change the TDLS_PEER flag,
3107 * but silently ignore attempts to change it since we
3108 * don't have state here to verify that it doesn't try
3109 * to change the flag.
3111 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3113 case NL80211_IFTYPE_ADHOC
:
3114 /* disallow things sta doesn't support */
3115 if (params
.plink_action
)
3119 if (params
.listen_interval
>= 0)
3121 /* reject any changes other than AUTHORIZED */
3122 if (params
.sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
3125 case NL80211_IFTYPE_MESH_POINT
:
3126 /* disallow things mesh doesn't support */
3131 if (params
.listen_interval
>= 0)
3134 * No special handling for TDLS here -- the userspace
3135 * mesh code doesn't have this bug.
3137 if (params
.sta_flags_mask
&
3138 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3139 BIT(NL80211_STA_FLAG_MFP
) |
3140 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3147 /* be aware of params.vlan when changing code here */
3149 err
= rdev
->ops
->change_station(&rdev
->wiphy
, dev
, mac_addr
, ¶ms
);
3152 dev_put(params
.vlan
);
3157 static struct nla_policy
3158 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] __read_mostly
= {
3159 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
3160 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
3163 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
3165 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3167 struct net_device
*dev
= info
->user_ptr
[1];
3168 struct station_parameters params
;
3169 u8
*mac_addr
= NULL
;
3171 memset(¶ms
, 0, sizeof(params
));
3173 if (!info
->attrs
[NL80211_ATTR_MAC
])
3176 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
3179 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
3182 if (!info
->attrs
[NL80211_ATTR_STA_AID
])
3185 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3186 params
.supported_rates
=
3187 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3188 params
.supported_rates_len
=
3189 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3190 params
.listen_interval
=
3191 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
3193 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
3194 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
3197 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
3199 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
3201 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
3202 params
.plink_action
=
3203 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
3205 if (!rdev
->ops
->add_station
)
3208 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
3211 switch (dev
->ieee80211_ptr
->iftype
) {
3212 case NL80211_IFTYPE_AP
:
3213 case NL80211_IFTYPE_AP_VLAN
:
3214 case NL80211_IFTYPE_P2P_GO
:
3215 /* parse WME attributes if sta is WME capable */
3216 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
3217 (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)) &&
3218 info
->attrs
[NL80211_ATTR_STA_WME
]) {
3219 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
3222 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
3223 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
3224 nl80211_sta_wme_policy
);
3228 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
3229 params
.uapsd_queues
=
3230 nla_get_u8(tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
3231 if (params
.uapsd_queues
&
3232 ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
3235 if (tb
[NL80211_STA_WME_MAX_SP
])
3237 nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
3240 ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
3243 params
.sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
3245 /* TDLS peers cannot be added */
3246 if (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3248 /* but don't bother the driver with it */
3249 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3251 /* must be last in here for error handling */
3252 params
.vlan
= get_vlan(info
, rdev
);
3253 if (IS_ERR(params
.vlan
))
3254 return PTR_ERR(params
.vlan
);
3256 case NL80211_IFTYPE_MESH_POINT
:
3257 /* TDLS peers cannot be added */
3258 if (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3261 case NL80211_IFTYPE_STATION
:
3262 /* Only TDLS peers can be added */
3263 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3265 /* Can only add if TDLS ... */
3266 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
3268 /* ... with external setup is supported */
3269 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
3276 /* be aware of params.vlan when changing code here */
3278 err
= rdev
->ops
->add_station(&rdev
->wiphy
, dev
, mac_addr
, ¶ms
);
3281 dev_put(params
.vlan
);
3285 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
3287 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3288 struct net_device
*dev
= info
->user_ptr
[1];
3289 u8
*mac_addr
= NULL
;
3291 if (info
->attrs
[NL80211_ATTR_MAC
])
3292 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3294 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3295 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
3296 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
3297 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3300 if (!rdev
->ops
->del_station
)
3303 return rdev
->ops
->del_station(&rdev
->wiphy
, dev
, mac_addr
);
3306 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3307 int flags
, struct net_device
*dev
,
3308 u8
*dst
, u8
*next_hop
,
3309 struct mpath_info
*pinfo
)
3312 struct nlattr
*pinfoattr
;
3314 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3318 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3319 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
3320 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
3321 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
3322 goto nla_put_failure
;
3324 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
3326 goto nla_put_failure
;
3327 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
3328 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
3330 goto nla_put_failure
;
3331 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
3332 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
3333 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
3334 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
3336 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
3337 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
3339 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
3340 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
3342 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
3343 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
3344 pinfo
->discovery_timeout
)) ||
3345 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
3346 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
3347 pinfo
->discovery_retries
)))
3348 goto nla_put_failure
;
3350 nla_nest_end(msg
, pinfoattr
);
3352 return genlmsg_end(msg
, hdr
);
3355 genlmsg_cancel(msg
, hdr
);
3359 static int nl80211_dump_mpath(struct sk_buff
*skb
,
3360 struct netlink_callback
*cb
)
3362 struct mpath_info pinfo
;
3363 struct cfg80211_registered_device
*dev
;
3364 struct net_device
*netdev
;
3366 u8 next_hop
[ETH_ALEN
];
3367 int path_idx
= cb
->args
[1];
3370 err
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
3374 if (!dev
->ops
->dump_mpath
) {
3379 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
3385 err
= dev
->ops
->dump_mpath(&dev
->wiphy
, netdev
, path_idx
,
3386 dst
, next_hop
, &pinfo
);
3392 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
3393 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3394 netdev
, dst
, next_hop
,
3403 cb
->args
[1] = path_idx
;
3406 nl80211_finish_netdev_dump(dev
);
3410 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3412 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3414 struct net_device
*dev
= info
->user_ptr
[1];
3415 struct mpath_info pinfo
;
3416 struct sk_buff
*msg
;
3418 u8 next_hop
[ETH_ALEN
];
3420 memset(&pinfo
, 0, sizeof(pinfo
));
3422 if (!info
->attrs
[NL80211_ATTR_MAC
])
3425 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3427 if (!rdev
->ops
->get_mpath
)
3430 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3433 err
= rdev
->ops
->get_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
, &pinfo
);
3437 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3441 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3442 dev
, dst
, next_hop
, &pinfo
) < 0) {
3447 return genlmsg_reply(msg
, info
);
3450 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3452 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3453 struct net_device
*dev
= info
->user_ptr
[1];
3455 u8
*next_hop
= NULL
;
3457 if (!info
->attrs
[NL80211_ATTR_MAC
])
3460 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
3463 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3464 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
3466 if (!rdev
->ops
->change_mpath
)
3469 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3472 return rdev
->ops
->change_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
);
3475 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3477 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3478 struct net_device
*dev
= info
->user_ptr
[1];
3480 u8
*next_hop
= NULL
;
3482 if (!info
->attrs
[NL80211_ATTR_MAC
])
3485 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
3488 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3489 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
3491 if (!rdev
->ops
->add_mpath
)
3494 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3497 return rdev
->ops
->add_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
);
3500 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3502 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3503 struct net_device
*dev
= info
->user_ptr
[1];
3506 if (info
->attrs
[NL80211_ATTR_MAC
])
3507 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3509 if (!rdev
->ops
->del_mpath
)
3512 return rdev
->ops
->del_mpath(&rdev
->wiphy
, dev
, dst
);
3515 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
3517 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3518 struct net_device
*dev
= info
->user_ptr
[1];
3519 struct bss_parameters params
;
3521 memset(¶ms
, 0, sizeof(params
));
3522 /* default to not changing parameters */
3523 params
.use_cts_prot
= -1;
3524 params
.use_short_preamble
= -1;
3525 params
.use_short_slot_time
= -1;
3526 params
.ap_isolate
= -1;
3527 params
.ht_opmode
= -1;
3529 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
3530 params
.use_cts_prot
=
3531 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
3532 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
3533 params
.use_short_preamble
=
3534 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
3535 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
3536 params
.use_short_slot_time
=
3537 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
3538 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
3539 params
.basic_rates
=
3540 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
3541 params
.basic_rates_len
=
3542 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
3544 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
3545 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
3546 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
3548 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
3550 if (!rdev
->ops
->change_bss
)
3553 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3554 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3557 return rdev
->ops
->change_bss(&rdev
->wiphy
, dev
, ¶ms
);
3560 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
3561 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
3562 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
3563 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
3564 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
3565 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
3566 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
3569 static int parse_reg_rule(struct nlattr
*tb
[],
3570 struct ieee80211_reg_rule
*reg_rule
)
3572 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
3573 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
3575 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
3577 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
3579 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
3581 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
3583 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
3586 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
3588 freq_range
->start_freq_khz
=
3589 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
3590 freq_range
->end_freq_khz
=
3591 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
3592 freq_range
->max_bandwidth_khz
=
3593 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
3595 power_rule
->max_eirp
=
3596 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
3598 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
3599 power_rule
->max_antenna_gain
=
3600 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
3605 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
3609 enum nl80211_user_reg_hint_type user_reg_hint_type
;
3612 * You should only get this when cfg80211 hasn't yet initialized
3613 * completely when built-in to the kernel right between the time
3614 * window between nl80211_init() and regulatory_init(), if that is
3617 mutex_lock(&cfg80211_mutex
);
3618 if (unlikely(!cfg80211_regdomain
)) {
3619 mutex_unlock(&cfg80211_mutex
);
3620 return -EINPROGRESS
;
3622 mutex_unlock(&cfg80211_mutex
);
3624 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
3627 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
3629 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
3630 user_reg_hint_type
=
3631 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
3633 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
3635 switch (user_reg_hint_type
) {
3636 case NL80211_USER_REG_HINT_USER
:
3637 case NL80211_USER_REG_HINT_CELL_BASE
:
3643 r
= regulatory_hint_user(data
, user_reg_hint_type
);
3648 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
3649 struct genl_info
*info
)
3651 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3652 struct net_device
*dev
= info
->user_ptr
[1];
3653 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3654 struct mesh_config cur_params
;
3657 struct nlattr
*pinfoattr
;
3658 struct sk_buff
*msg
;
3660 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3663 if (!rdev
->ops
->get_mesh_config
)
3667 /* If not connected, get default parameters */
3668 if (!wdev
->mesh_id_len
)
3669 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
3671 err
= rdev
->ops
->get_mesh_config(&rdev
->wiphy
, dev
,
3678 /* Draw up a netlink message to send back */
3679 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3682 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3683 NL80211_CMD_GET_MESH_CONFIG
);
3686 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
3688 goto nla_put_failure
;
3689 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3690 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
3691 cur_params
.dot11MeshRetryTimeout
) ||
3692 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
3693 cur_params
.dot11MeshConfirmTimeout
) ||
3694 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
3695 cur_params
.dot11MeshHoldingTimeout
) ||
3696 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
3697 cur_params
.dot11MeshMaxPeerLinks
) ||
3698 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
3699 cur_params
.dot11MeshMaxRetries
) ||
3700 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
3701 cur_params
.dot11MeshTTL
) ||
3702 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
3703 cur_params
.element_ttl
) ||
3704 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
3705 cur_params
.auto_open_plinks
) ||
3706 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
3707 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
3708 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
3709 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
3710 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
3711 cur_params
.path_refresh_time
) ||
3712 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
3713 cur_params
.min_discovery_timeout
) ||
3714 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
3715 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
3716 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
3717 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
3718 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
3719 cur_params
.dot11MeshHWMPperrMinInterval
) ||
3720 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
3721 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
3722 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
3723 cur_params
.dot11MeshHWMPRootMode
) ||
3724 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
3725 cur_params
.dot11MeshHWMPRannInterval
) ||
3726 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
3727 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
3728 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
3729 cur_params
.dot11MeshForwarding
) ||
3730 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
3731 cur_params
.rssi_threshold
) ||
3732 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
3733 cur_params
.ht_opmode
) ||
3734 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
3735 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
3736 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
3737 cur_params
.dot11MeshHWMProotInterval
) ||
3738 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
3739 cur_params
.dot11MeshHWMPconfirmationInterval
))
3740 goto nla_put_failure
;
3741 nla_nest_end(msg
, pinfoattr
);
3742 genlmsg_end(msg
, hdr
);
3743 return genlmsg_reply(msg
, info
);
3746 genlmsg_cancel(msg
, hdr
);
3752 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
3753 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
3754 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
3755 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
3756 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
3757 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
3758 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
3759 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
3760 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
3761 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
3762 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
3763 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
3764 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
3765 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
3766 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
3767 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
3768 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
3769 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
3770 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
3771 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
3772 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
3773 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
3774 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
3775 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
3776 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
3777 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
3780 static const struct nla_policy
3781 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
3782 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
3783 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
3784 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
3785 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
3786 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
3787 .len
= IEEE80211_MAX_DATA_LEN
},
3788 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
3791 static int nl80211_parse_mesh_config(struct genl_info
*info
,
3792 struct mesh_config
*cfg
,
3795 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
3798 #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
3800 if (table[attr_num]) {\
3801 cfg->param = nla_fn(table[attr_num]); \
3802 mask |= (1 << (attr_num - 1)); \
3807 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
3809 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
3810 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
3811 nl80211_meshconf_params_policy
))
3814 /* This makes sure that there aren't more than 32 mesh config
3815 * parameters (otherwise our bitfield scheme would not work.) */
3816 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
3818 /* Fill in the params struct */
3819 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
,
3820 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
3822 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
,
3823 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
3825 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
,
3826 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
3828 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
,
3829 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
3831 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
,
3832 mask
, NL80211_MESHCONF_MAX_RETRIES
,
3834 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
,
3835 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
3836 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
,
3837 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
3839 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
,
3840 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
3842 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
, mask
,
3843 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
3845 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
,
3846 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
3848 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
,
3849 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
3851 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
,
3852 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
3854 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
, mask
,
3855 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
3857 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
3858 mask
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
3860 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
3861 mask
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
3863 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
3864 dot11MeshHWMPnetDiameterTraversalTime
, mask
,
3865 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
3867 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, mask
,
3868 NL80211_MESHCONF_HWMP_ROOTMODE
, nla_get_u8
);
3869 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, mask
,
3870 NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
3872 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
3873 dot11MeshGateAnnouncementProtocol
, mask
,
3874 NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
3876 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
,
3877 mask
, NL80211_MESHCONF_FORWARDING
,
3879 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
,
3880 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
3882 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
,
3883 mask
, NL80211_MESHCONF_HT_OPMODE
,
3885 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
3887 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
3889 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
,
3890 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
3892 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
3893 dot11MeshHWMPconfirmationInterval
, mask
,
3894 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
3901 #undef FILL_IN_MESH_PARAM_IF_SET
3904 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
3905 struct mesh_setup
*setup
)
3907 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
3909 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
3911 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
3912 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
3913 nl80211_mesh_setup_params_policy
))
3916 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
3917 setup
->sync_method
=
3918 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
3919 IEEE80211_SYNC_METHOD_VENDOR
:
3920 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
3922 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
3923 setup
->path_sel_proto
=
3924 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
3925 IEEE80211_PATH_PROTOCOL_VENDOR
:
3926 IEEE80211_PATH_PROTOCOL_HWMP
;
3928 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
3929 setup
->path_metric
=
3930 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
3931 IEEE80211_PATH_METRIC_VENDOR
:
3932 IEEE80211_PATH_METRIC_AIRTIME
;
3935 if (tb
[NL80211_MESH_SETUP_IE
]) {
3936 struct nlattr
*ieattr
=
3937 tb
[NL80211_MESH_SETUP_IE
];
3938 if (!is_valid_ie_attr(ieattr
))
3940 setup
->ie
= nla_data(ieattr
);
3941 setup
->ie_len
= nla_len(ieattr
);
3943 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
3944 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
3949 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
3950 struct genl_info
*info
)
3952 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3953 struct net_device
*dev
= info
->user_ptr
[1];
3954 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3955 struct mesh_config cfg
;
3959 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3962 if (!rdev
->ops
->update_mesh_config
)
3965 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
3970 if (!wdev
->mesh_id_len
)
3974 err
= rdev
->ops
->update_mesh_config(&rdev
->wiphy
, dev
,
3982 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
3984 struct sk_buff
*msg
;
3986 struct nlattr
*nl_reg_rules
;
3990 mutex_lock(&cfg80211_mutex
);
3992 if (!cfg80211_regdomain
)
3995 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4001 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4002 NL80211_CMD_GET_REG
);
4006 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
4007 cfg80211_regdomain
->alpha2
) ||
4008 (cfg80211_regdomain
->dfs_region
&&
4009 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
,
4010 cfg80211_regdomain
->dfs_region
)))
4011 goto nla_put_failure
;
4013 if (reg_last_request_cell_base() &&
4014 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
4015 NL80211_USER_REG_HINT_CELL_BASE
))
4016 goto nla_put_failure
;
4018 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
4020 goto nla_put_failure
;
4022 for (i
= 0; i
< cfg80211_regdomain
->n_reg_rules
; i
++) {
4023 struct nlattr
*nl_reg_rule
;
4024 const struct ieee80211_reg_rule
*reg_rule
;
4025 const struct ieee80211_freq_range
*freq_range
;
4026 const struct ieee80211_power_rule
*power_rule
;
4028 reg_rule
= &cfg80211_regdomain
->reg_rules
[i
];
4029 freq_range
= ®_rule
->freq_range
;
4030 power_rule
= ®_rule
->power_rule
;
4032 nl_reg_rule
= nla_nest_start(msg
, i
);
4034 goto nla_put_failure
;
4036 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
4038 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
4039 freq_range
->start_freq_khz
) ||
4040 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
4041 freq_range
->end_freq_khz
) ||
4042 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
4043 freq_range
->max_bandwidth_khz
) ||
4044 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
4045 power_rule
->max_antenna_gain
) ||
4046 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
4047 power_rule
->max_eirp
))
4048 goto nla_put_failure
;
4050 nla_nest_end(msg
, nl_reg_rule
);
4053 nla_nest_end(msg
, nl_reg_rules
);
4055 genlmsg_end(msg
, hdr
);
4056 err
= genlmsg_reply(msg
, info
);
4060 genlmsg_cancel(msg
, hdr
);
4065 mutex_unlock(&cfg80211_mutex
);
4069 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4071 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
4072 struct nlattr
*nl_reg_rule
;
4073 char *alpha2
= NULL
;
4074 int rem_reg_rules
= 0, r
= 0;
4075 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
4077 struct ieee80211_regdomain
*rd
= NULL
;
4079 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4082 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
4085 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4087 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
4088 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
4090 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
4093 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
4097 mutex_lock(&cfg80211_mutex
);
4099 if (!reg_is_valid_request(alpha2
)) {
4104 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
4105 (num_rules
* sizeof(struct ieee80211_reg_rule
));
4107 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
4113 rd
->n_reg_rules
= num_rules
;
4114 rd
->alpha2
[0] = alpha2
[0];
4115 rd
->alpha2
[1] = alpha2
[1];
4118 * Disable DFS master mode if the DFS region was
4119 * not supported or known on this kernel.
4121 if (reg_supported_dfs_region(dfs_region
))
4122 rd
->dfs_region
= dfs_region
;
4124 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
4126 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
4127 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
4129 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
4135 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
4141 BUG_ON(rule_idx
!= num_rules
);
4145 mutex_unlock(&cfg80211_mutex
);
4150 mutex_unlock(&cfg80211_mutex
);
4155 static int validate_scan_freqs(struct nlattr
*freqs
)
4157 struct nlattr
*attr1
, *attr2
;
4158 int n_channels
= 0, tmp1
, tmp2
;
4160 nla_for_each_nested(attr1
, freqs
, tmp1
) {
4163 * Some hardware has a limited channel list for
4164 * scanning, and it is pretty much nonsensical
4165 * to scan for a channel twice, so disallow that
4166 * and don't require drivers to check that the
4167 * channel list they get isn't longer than what
4168 * they can scan, as long as they can scan all
4169 * the channels they registered at once.
4171 nla_for_each_nested(attr2
, freqs
, tmp2
)
4172 if (attr1
!= attr2
&&
4173 nla_get_u32(attr1
) == nla_get_u32(attr2
))
4180 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
4182 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4183 struct wireless_dev
*wdev
= info
->user_ptr
[1];
4184 struct cfg80211_scan_request
*request
;
4185 struct nlattr
*attr
;
4186 struct wiphy
*wiphy
;
4187 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
4190 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4193 wiphy
= &rdev
->wiphy
;
4195 if (!rdev
->ops
->scan
)
4201 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4202 n_channels
= validate_scan_freqs(
4203 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
4207 enum ieee80211_band band
;
4210 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
4211 if (wiphy
->bands
[band
])
4212 n_channels
+= wiphy
->bands
[band
]->n_channels
;
4215 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
4216 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
4219 if (n_ssids
> wiphy
->max_scan_ssids
)
4222 if (info
->attrs
[NL80211_ATTR_IE
])
4223 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4227 if (ie_len
> wiphy
->max_scan_ie_len
)
4230 request
= kzalloc(sizeof(*request
)
4231 + sizeof(*request
->ssids
) * n_ssids
4232 + sizeof(*request
->channels
) * n_channels
4233 + ie_len
, GFP_KERNEL
);
4238 request
->ssids
= (void *)&request
->channels
[n_channels
];
4239 request
->n_ssids
= n_ssids
;
4242 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
4244 request
->ie
= (void *)(request
->channels
+ n_channels
);
4248 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4249 /* user specified, bail out if channel not found */
4250 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
4251 struct ieee80211_channel
*chan
;
4253 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
4260 /* ignore disabled channels */
4261 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
4264 request
->channels
[i
] = chan
;
4268 enum ieee80211_band band
;
4271 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
4273 if (!wiphy
->bands
[band
])
4275 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
4276 struct ieee80211_channel
*chan
;
4278 chan
= &wiphy
->bands
[band
]->channels
[j
];
4280 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
4283 request
->channels
[i
] = chan
;
4294 request
->n_channels
= i
;
4297 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
4298 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
4299 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
4303 request
->ssids
[i
].ssid_len
= nla_len(attr
);
4304 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
4309 if (info
->attrs
[NL80211_ATTR_IE
]) {
4310 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4311 memcpy((void *)request
->ie
,
4312 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
4316 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
4317 if (wiphy
->bands
[i
])
4319 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
4321 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
4322 nla_for_each_nested(attr
,
4323 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
4325 enum ieee80211_band band
= nla_type(attr
);
4327 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
4331 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
4334 &request
->rates
[band
]);
4341 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
4343 request
->wdev
= wdev
;
4344 request
->wiphy
= &rdev
->wiphy
;
4346 rdev
->scan_req
= request
;
4347 err
= rdev
->ops
->scan(&rdev
->wiphy
, request
);
4350 nl80211_send_scan_start(rdev
, wdev
);
4352 dev_hold(wdev
->netdev
);
4355 rdev
->scan_req
= NULL
;
4362 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
4363 struct genl_info
*info
)
4365 struct cfg80211_sched_scan_request
*request
;
4366 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4367 struct net_device
*dev
= info
->user_ptr
[1];
4368 struct nlattr
*attr
;
4369 struct wiphy
*wiphy
;
4370 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
4372 enum ieee80211_band band
;
4374 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
4376 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
4377 !rdev
->ops
->sched_scan_start
)
4380 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4383 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
4386 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
4390 wiphy
= &rdev
->wiphy
;
4392 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4393 n_channels
= validate_scan_freqs(
4394 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
4400 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
4401 if (wiphy
->bands
[band
])
4402 n_channels
+= wiphy
->bands
[band
]->n_channels
;
4405 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
4406 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
4410 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
4413 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
])
4414 nla_for_each_nested(attr
,
4415 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
4419 if (n_match_sets
> wiphy
->max_match_sets
)
4422 if (info
->attrs
[NL80211_ATTR_IE
])
4423 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4427 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
4430 mutex_lock(&rdev
->sched_scan_mtx
);
4432 if (rdev
->sched_scan_req
) {
4437 request
= kzalloc(sizeof(*request
)
4438 + sizeof(*request
->ssids
) * n_ssids
4439 + sizeof(*request
->match_sets
) * n_match_sets
4440 + sizeof(*request
->channels
) * n_channels
4441 + ie_len
, GFP_KERNEL
);
4448 request
->ssids
= (void *)&request
->channels
[n_channels
];
4449 request
->n_ssids
= n_ssids
;
4452 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
4454 request
->ie
= (void *)(request
->channels
+ n_channels
);
4459 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
4460 else if (request
->ssids
)
4461 request
->match_sets
=
4462 (void *)(request
->ssids
+ n_ssids
);
4464 request
->match_sets
=
4465 (void *)(request
->channels
+ n_channels
);
4467 request
->n_match_sets
= n_match_sets
;
4470 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4471 /* user specified, bail out if channel not found */
4472 nla_for_each_nested(attr
,
4473 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
4475 struct ieee80211_channel
*chan
;
4477 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
4484 /* ignore disabled channels */
4485 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
4488 request
->channels
[i
] = chan
;
4493 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
4495 if (!wiphy
->bands
[band
])
4497 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
4498 struct ieee80211_channel
*chan
;
4500 chan
= &wiphy
->bands
[band
]->channels
[j
];
4502 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
4505 request
->channels
[i
] = chan
;
4516 request
->n_channels
= i
;
4519 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
4520 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
4522 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
4526 request
->ssids
[i
].ssid_len
= nla_len(attr
);
4527 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
4534 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
4535 nla_for_each_nested(attr
,
4536 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
4538 struct nlattr
*ssid
, *rssi
;
4540 nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
4541 nla_data(attr
), nla_len(attr
),
4542 nl80211_match_policy
);
4543 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
4545 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
4549 memcpy(request
->match_sets
[i
].ssid
.ssid
,
4550 nla_data(ssid
), nla_len(ssid
));
4551 request
->match_sets
[i
].ssid
.ssid_len
=
4554 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
4556 request
->rssi_thold
= nla_get_u32(rssi
);
4558 request
->rssi_thold
=
4559 NL80211_SCAN_RSSI_THOLD_OFF
;
4564 if (info
->attrs
[NL80211_ATTR_IE
]) {
4565 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4566 memcpy((void *)request
->ie
,
4567 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
4572 request
->wiphy
= &rdev
->wiphy
;
4573 request
->interval
= interval
;
4575 err
= rdev
->ops
->sched_scan_start(&rdev
->wiphy
, dev
, request
);
4577 rdev
->sched_scan_req
= request
;
4578 nl80211_send_sched_scan(rdev
, dev
,
4579 NL80211_CMD_START_SCHED_SCAN
);
4586 mutex_unlock(&rdev
->sched_scan_mtx
);
4590 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
4591 struct genl_info
*info
)
4593 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4596 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
4597 !rdev
->ops
->sched_scan_stop
)
4600 mutex_lock(&rdev
->sched_scan_mtx
);
4601 err
= __cfg80211_stop_sched_scan(rdev
, false);
4602 mutex_unlock(&rdev
->sched_scan_mtx
);
4607 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
4609 struct cfg80211_registered_device
*rdev
,
4610 struct wireless_dev
*wdev
,
4611 struct cfg80211_internal_bss
*intbss
)
4613 struct cfg80211_bss
*res
= &intbss
->pub
;
4617 ASSERT_WDEV_LOCK(wdev
);
4619 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
4620 NL80211_CMD_NEW_SCAN_RESULTS
);
4624 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
4626 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
) ||
4627 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
4628 goto nla_put_failure
;
4630 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
4632 goto nla_put_failure
;
4633 if ((!is_zero_ether_addr(res
->bssid
) &&
4634 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)) ||
4635 (res
->information_elements
&& res
->len_information_elements
&&
4636 nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
4637 res
->len_information_elements
,
4638 res
->information_elements
)) ||
4639 (res
->beacon_ies
&& res
->len_beacon_ies
&&
4640 res
->beacon_ies
!= res
->information_elements
&&
4641 nla_put(msg
, NL80211_BSS_BEACON_IES
,
4642 res
->len_beacon_ies
, res
->beacon_ies
)))
4643 goto nla_put_failure
;
4645 nla_put_u64(msg
, NL80211_BSS_TSF
, res
->tsf
))
4646 goto nla_put_failure
;
4647 if (res
->beacon_interval
&&
4648 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
4649 goto nla_put_failure
;
4650 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
4651 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
4652 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
4653 jiffies_to_msecs(jiffies
- intbss
->ts
)))
4654 goto nla_put_failure
;
4656 switch (rdev
->wiphy
.signal_type
) {
4657 case CFG80211_SIGNAL_TYPE_MBM
:
4658 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
4659 goto nla_put_failure
;
4661 case CFG80211_SIGNAL_TYPE_UNSPEC
:
4662 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
4663 goto nla_put_failure
;
4669 switch (wdev
->iftype
) {
4670 case NL80211_IFTYPE_P2P_CLIENT
:
4671 case NL80211_IFTYPE_STATION
:
4672 if (intbss
== wdev
->current_bss
&&
4673 nla_put_u32(msg
, NL80211_BSS_STATUS
,
4674 NL80211_BSS_STATUS_ASSOCIATED
))
4675 goto nla_put_failure
;
4677 case NL80211_IFTYPE_ADHOC
:
4678 if (intbss
== wdev
->current_bss
&&
4679 nla_put_u32(msg
, NL80211_BSS_STATUS
,
4680 NL80211_BSS_STATUS_IBSS_JOINED
))
4681 goto nla_put_failure
;
4687 nla_nest_end(msg
, bss
);
4689 return genlmsg_end(msg
, hdr
);
4692 genlmsg_cancel(msg
, hdr
);
4696 static int nl80211_dump_scan(struct sk_buff
*skb
,
4697 struct netlink_callback
*cb
)
4699 struct cfg80211_registered_device
*rdev
;
4700 struct net_device
*dev
;
4701 struct cfg80211_internal_bss
*scan
;
4702 struct wireless_dev
*wdev
;
4703 int start
= cb
->args
[1], idx
= 0;
4706 err
= nl80211_prepare_netdev_dump(skb
, cb
, &rdev
, &dev
);
4710 wdev
= dev
->ieee80211_ptr
;
4713 spin_lock_bh(&rdev
->bss_lock
);
4714 cfg80211_bss_expire(rdev
);
4716 cb
->seq
= rdev
->bss_generation
;
4718 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
4721 if (nl80211_send_bss(skb
, cb
,
4722 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4723 rdev
, wdev
, scan
) < 0) {
4729 spin_unlock_bh(&rdev
->bss_lock
);
4733 nl80211_finish_netdev_dump(rdev
);
4738 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4739 int flags
, struct net_device
*dev
,
4740 struct survey_info
*survey
)
4743 struct nlattr
*infoattr
;
4745 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
4746 NL80211_CMD_NEW_SURVEY_RESULTS
);
4750 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
4751 goto nla_put_failure
;
4753 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
4755 goto nla_put_failure
;
4757 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
4758 survey
->channel
->center_freq
))
4759 goto nla_put_failure
;
4761 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
4762 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
4763 goto nla_put_failure
;
4764 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
4765 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
4766 goto nla_put_failure
;
4767 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
4768 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
4769 survey
->channel_time
))
4770 goto nla_put_failure
;
4771 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
4772 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
4773 survey
->channel_time_busy
))
4774 goto nla_put_failure
;
4775 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
4776 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
4777 survey
->channel_time_ext_busy
))
4778 goto nla_put_failure
;
4779 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
4780 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
4781 survey
->channel_time_rx
))
4782 goto nla_put_failure
;
4783 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
4784 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
4785 survey
->channel_time_tx
))
4786 goto nla_put_failure
;
4788 nla_nest_end(msg
, infoattr
);
4790 return genlmsg_end(msg
, hdr
);
4793 genlmsg_cancel(msg
, hdr
);
4797 static int nl80211_dump_survey(struct sk_buff
*skb
,
4798 struct netlink_callback
*cb
)
4800 struct survey_info survey
;
4801 struct cfg80211_registered_device
*dev
;
4802 struct net_device
*netdev
;
4803 int survey_idx
= cb
->args
[1];
4806 res
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
4810 if (!dev
->ops
->dump_survey
) {
4816 struct ieee80211_channel
*chan
;
4818 res
= dev
->ops
->dump_survey(&dev
->wiphy
, netdev
, survey_idx
,
4825 /* Survey without a channel doesn't make sense */
4826 if (!survey
.channel
) {
4831 chan
= ieee80211_get_channel(&dev
->wiphy
,
4832 survey
.channel
->center_freq
);
4833 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
4838 if (nl80211_send_survey(skb
,
4839 NETLINK_CB(cb
->skb
).portid
,
4840 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4848 cb
->args
[1] = survey_idx
;
4851 nl80211_finish_netdev_dump(dev
);
4855 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type
)
4857 return auth_type
<= NL80211_AUTHTYPE_MAX
;
4860 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
4862 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
4863 NL80211_WPA_VERSION_2
));
4866 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
4868 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4869 struct net_device
*dev
= info
->user_ptr
[1];
4870 struct ieee80211_channel
*chan
;
4871 const u8
*bssid
, *ssid
, *ie
= NULL
;
4872 int err
, ssid_len
, ie_len
= 0;
4873 enum nl80211_auth_type auth_type
;
4874 struct key_parse key
;
4875 bool local_state_change
;
4877 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4880 if (!info
->attrs
[NL80211_ATTR_MAC
])
4883 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
4886 if (!info
->attrs
[NL80211_ATTR_SSID
])
4889 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
4892 err
= nl80211_parse_key(info
, &key
);
4897 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
4899 if (!key
.p
.key
|| !key
.p
.key_len
)
4901 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
4902 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
4903 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
4904 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
4916 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
4917 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
4926 if (!rdev
->ops
->auth
)
4929 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4930 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4933 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4934 chan
= ieee80211_get_channel(&rdev
->wiphy
,
4935 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
4936 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
4939 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
4940 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
4942 if (info
->attrs
[NL80211_ATTR_IE
]) {
4943 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
4944 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4947 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
4948 if (!nl80211_valid_auth_type(auth_type
))
4951 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
4954 * Since we no longer track auth state, ignore
4955 * requests to only change local state.
4957 if (local_state_change
)
4960 return cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
4961 ssid
, ssid_len
, ie
, ie_len
,
4962 key
.p
.key
, key
.p
.key_len
, key
.idx
);
4965 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
4966 struct genl_info
*info
,
4967 struct cfg80211_crypto_settings
*settings
,
4970 memset(settings
, 0, sizeof(*settings
));
4972 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
4974 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
4976 proto
= nla_get_u16(
4977 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
4978 settings
->control_port_ethertype
= cpu_to_be16(proto
);
4979 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
4982 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
4983 settings
->control_port_no_encrypt
= true;
4985 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
4987 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
4991 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
4992 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
4993 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
4995 if (len
% sizeof(u32
))
4998 if (settings
->n_ciphers_pairwise
> cipher_limit
)
5001 memcpy(settings
->ciphers_pairwise
, data
, len
);
5003 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
5004 if (!cfg80211_supported_cipher_suite(
5006 settings
->ciphers_pairwise
[i
]))
5010 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
5011 settings
->cipher_group
=
5012 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
5013 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
5014 settings
->cipher_group
))
5018 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
5019 settings
->wpa_versions
=
5020 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
5021 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
5025 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
5029 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
5030 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
5031 settings
->n_akm_suites
= len
/ sizeof(u32
);
5033 if (len
% sizeof(u32
))
5036 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
5039 memcpy(settings
->akm_suites
, data
, len
);
5045 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
5047 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5048 struct net_device
*dev
= info
->user_ptr
[1];
5049 struct cfg80211_crypto_settings crypto
;
5050 struct ieee80211_channel
*chan
;
5051 const u8
*bssid
, *ssid
, *ie
= NULL
, *prev_bssid
= NULL
;
5052 int err
, ssid_len
, ie_len
= 0;
5053 bool use_mfp
= false;
5055 struct ieee80211_ht_cap
*ht_capa
= NULL
;
5056 struct ieee80211_ht_cap
*ht_capa_mask
= NULL
;
5058 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5061 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
5062 !info
->attrs
[NL80211_ATTR_SSID
] ||
5063 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
5066 if (!rdev
->ops
->assoc
)
5069 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5070 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5073 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5075 chan
= ieee80211_get_channel(&rdev
->wiphy
,
5076 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
5077 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
5080 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
5081 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
5083 if (info
->attrs
[NL80211_ATTR_IE
]) {
5084 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5085 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5088 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
5089 enum nl80211_mfp mfp
=
5090 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
5091 if (mfp
== NL80211_MFP_REQUIRED
)
5093 else if (mfp
!= NL80211_MFP_NO
)
5097 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
5098 prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
5100 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
5101 flags
|= ASSOC_REQ_DISABLE_HT
;
5103 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
5105 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]);
5107 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
5110 ht_capa
= nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
5113 err
= nl80211_crypto_settings(rdev
, info
, &crypto
, 1);
5115 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
, prev_bssid
,
5116 ssid
, ssid_len
, ie
, ie_len
, use_mfp
,
5117 &crypto
, flags
, ht_capa
,
5123 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
5125 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5126 struct net_device
*dev
= info
->user_ptr
[1];
5127 const u8
*ie
= NULL
, *bssid
;
5130 bool local_state_change
;
5132 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5135 if (!info
->attrs
[NL80211_ATTR_MAC
])
5138 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
5141 if (!rdev
->ops
->deauth
)
5144 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5145 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5148 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5150 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5151 if (reason_code
== 0) {
5152 /* Reason Code 0 is reserved */
5156 if (info
->attrs
[NL80211_ATTR_IE
]) {
5157 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5158 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5161 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
5163 return cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
5164 local_state_change
);
5167 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
5169 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5170 struct net_device
*dev
= info
->user_ptr
[1];
5171 const u8
*ie
= NULL
, *bssid
;
5174 bool local_state_change
;
5176 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5179 if (!info
->attrs
[NL80211_ATTR_MAC
])
5182 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
5185 if (!rdev
->ops
->disassoc
)
5188 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5189 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5192 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5194 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5195 if (reason_code
== 0) {
5196 /* Reason Code 0 is reserved */
5200 if (info
->attrs
[NL80211_ATTR_IE
]) {
5201 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5202 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5205 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
5207 return cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
5208 local_state_change
);
5212 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
5213 int mcast_rate
[IEEE80211_NUM_BANDS
],
5216 struct wiphy
*wiphy
= &rdev
->wiphy
;
5220 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5221 struct ieee80211_supported_band
*sband
;
5223 sband
= wiphy
->bands
[band
];
5227 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
5228 if (sband
->bitrates
[i
].bitrate
== rateval
) {
5229 mcast_rate
[band
] = i
+ 1;
5239 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
5241 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5242 struct net_device
*dev
= info
->user_ptr
[1];
5243 struct cfg80211_ibss_params ibss
;
5244 struct wiphy
*wiphy
;
5245 struct cfg80211_cached_keys
*connkeys
= NULL
;
5248 memset(&ibss
, 0, sizeof(ibss
));
5250 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5253 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5254 !info
->attrs
[NL80211_ATTR_SSID
] ||
5255 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
5258 ibss
.beacon_interval
= 100;
5260 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
5261 ibss
.beacon_interval
=
5262 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
5263 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
5267 if (!rdev
->ops
->join_ibss
)
5270 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
5273 wiphy
= &rdev
->wiphy
;
5275 if (info
->attrs
[NL80211_ATTR_MAC
]) {
5276 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5278 if (!is_valid_ether_addr(ibss
.bssid
))
5281 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
5282 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
5284 if (info
->attrs
[NL80211_ATTR_IE
]) {
5285 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5286 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5289 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
5290 enum nl80211_channel_type channel_type
;
5292 if (!nl80211_valid_channel_type(info
, &channel_type
))
5295 if (channel_type
!= NL80211_CHAN_NO_HT
&&
5296 !(wiphy
->features
& NL80211_FEATURE_HT_IBSS
))
5299 ibss
.channel_type
= channel_type
;
5301 ibss
.channel_type
= NL80211_CHAN_NO_HT
;
5304 ibss
.channel
= rdev_freq_to_chan(rdev
,
5305 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]),
5307 if (!ibss
.channel
||
5308 ibss
.channel
->flags
& IEEE80211_CHAN_NO_IBSS
||
5309 ibss
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
5312 /* Both channels should be able to initiate communication */
5313 if ((ibss
.channel_type
== NL80211_CHAN_HT40PLUS
||
5314 ibss
.channel_type
== NL80211_CHAN_HT40MINUS
) &&
5315 !cfg80211_can_beacon_sec_chan(&rdev
->wiphy
, ibss
.channel
,
5319 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
5320 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
5322 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
5324 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5326 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5327 struct ieee80211_supported_band
*sband
=
5328 wiphy
->bands
[ibss
.channel
->band
];
5330 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
5336 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
5337 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
5338 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
5341 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
5342 connkeys
= nl80211_parse_connkeys(rdev
,
5343 info
->attrs
[NL80211_ATTR_KEYS
]);
5344 if (IS_ERR(connkeys
))
5345 return PTR_ERR(connkeys
);
5349 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
5351 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
5357 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
5359 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5360 struct net_device
*dev
= info
->user_ptr
[1];
5362 if (!rdev
->ops
->leave_ibss
)
5365 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
5368 return cfg80211_leave_ibss(rdev
, dev
, false);
5371 #ifdef CONFIG_NL80211_TESTMODE
5372 static struct genl_multicast_group nl80211_testmode_mcgrp
= {
5376 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
5378 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5381 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
5385 if (rdev
->ops
->testmode_cmd
) {
5386 rdev
->testmode_info
= info
;
5387 err
= rdev
->ops
->testmode_cmd(&rdev
->wiphy
,
5388 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
5389 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
5390 rdev
->testmode_info
= NULL
;
5396 static int nl80211_testmode_dump(struct sk_buff
*skb
,
5397 struct netlink_callback
*cb
)
5399 struct cfg80211_registered_device
*rdev
;
5407 * 0 is a valid index, but not valid for args[0],
5408 * so we need to offset by 1.
5410 phy_idx
= cb
->args
[0] - 1;
5412 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
5413 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
5418 mutex_lock(&cfg80211_mutex
);
5419 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
5420 nl80211_fam
.attrbuf
);
5422 mutex_unlock(&cfg80211_mutex
);
5423 return PTR_ERR(rdev
);
5425 phy_idx
= rdev
->wiphy_idx
;
5427 mutex_unlock(&cfg80211_mutex
);
5429 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
5431 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
5435 data
= nla_data((void *)cb
->args
[1]);
5436 data_len
= nla_len((void *)cb
->args
[1]);
5439 mutex_lock(&cfg80211_mutex
);
5440 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
5442 mutex_unlock(&cfg80211_mutex
);
5445 cfg80211_lock_rdev(rdev
);
5446 mutex_unlock(&cfg80211_mutex
);
5448 if (!rdev
->ops
->testmode_dump
) {
5454 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
5455 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5456 NL80211_CMD_TESTMODE
);
5457 struct nlattr
*tmdata
;
5459 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
5460 genlmsg_cancel(skb
, hdr
);
5464 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
5466 genlmsg_cancel(skb
, hdr
);
5469 err
= rdev
->ops
->testmode_dump(&rdev
->wiphy
, skb
, cb
,
5471 nla_nest_end(skb
, tmdata
);
5473 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
5474 genlmsg_cancel(skb
, hdr
);
5477 genlmsg_cancel(skb
, hdr
);
5481 genlmsg_end(skb
, hdr
);
5486 cb
->args
[0] = phy_idx
+ 1;
5488 cfg80211_unlock_rdev(rdev
);
5492 static struct sk_buff
*
5493 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device
*rdev
,
5494 int approxlen
, u32 portid
, u32 seq
, gfp_t gfp
)
5496 struct sk_buff
*skb
;
5498 struct nlattr
*data
;
5500 skb
= nlmsg_new(approxlen
+ 100, gfp
);
5504 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, NL80211_CMD_TESTMODE
);
5510 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
5511 goto nla_put_failure
;
5512 data
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
5514 ((void **)skb
->cb
)[0] = rdev
;
5515 ((void **)skb
->cb
)[1] = hdr
;
5516 ((void **)skb
->cb
)[2] = data
;
5525 struct sk_buff
*cfg80211_testmode_alloc_reply_skb(struct wiphy
*wiphy
,
5528 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
5530 if (WARN_ON(!rdev
->testmode_info
))
5533 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
,
5534 rdev
->testmode_info
->snd_portid
,
5535 rdev
->testmode_info
->snd_seq
,
5538 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb
);
5540 int cfg80211_testmode_reply(struct sk_buff
*skb
)
5542 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
5543 void *hdr
= ((void **)skb
->cb
)[1];
5544 struct nlattr
*data
= ((void **)skb
->cb
)[2];
5546 if (WARN_ON(!rdev
->testmode_info
)) {
5551 nla_nest_end(skb
, data
);
5552 genlmsg_end(skb
, hdr
);
5553 return genlmsg_reply(skb
, rdev
->testmode_info
);
5555 EXPORT_SYMBOL(cfg80211_testmode_reply
);
5557 struct sk_buff
*cfg80211_testmode_alloc_event_skb(struct wiphy
*wiphy
,
5558 int approxlen
, gfp_t gfp
)
5560 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
5562 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
, 0, 0, gfp
);
5564 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb
);
5566 void cfg80211_testmode_event(struct sk_buff
*skb
, gfp_t gfp
)
5568 void *hdr
= ((void **)skb
->cb
)[1];
5569 struct nlattr
*data
= ((void **)skb
->cb
)[2];
5571 nla_nest_end(skb
, data
);
5572 genlmsg_end(skb
, hdr
);
5573 genlmsg_multicast(skb
, 0, nl80211_testmode_mcgrp
.id
, gfp
);
5575 EXPORT_SYMBOL(cfg80211_testmode_event
);
5578 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
5580 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5581 struct net_device
*dev
= info
->user_ptr
[1];
5582 struct cfg80211_connect_params connect
;
5583 struct wiphy
*wiphy
;
5584 struct cfg80211_cached_keys
*connkeys
= NULL
;
5587 memset(&connect
, 0, sizeof(connect
));
5589 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5592 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
5593 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
5596 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
5598 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
5599 if (!nl80211_valid_auth_type(connect
.auth_type
))
5602 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
5604 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
5606 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
5607 NL80211_MAX_NR_CIPHER_SUITES
);
5611 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5612 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5615 wiphy
= &rdev
->wiphy
;
5617 connect
.bg_scan_period
= -1;
5618 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
5619 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
5620 connect
.bg_scan_period
=
5621 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
5624 if (info
->attrs
[NL80211_ATTR_MAC
])
5625 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5626 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
5627 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
5629 if (info
->attrs
[NL80211_ATTR_IE
]) {
5630 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5631 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5634 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
5636 ieee80211_get_channel(wiphy
,
5637 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
5638 if (!connect
.channel
||
5639 connect
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
5643 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
5644 connkeys
= nl80211_parse_connkeys(rdev
,
5645 info
->attrs
[NL80211_ATTR_KEYS
]);
5646 if (IS_ERR(connkeys
))
5647 return PTR_ERR(connkeys
);
5650 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
5651 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
5653 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
5654 memcpy(&connect
.ht_capa_mask
,
5655 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
5656 sizeof(connect
.ht_capa_mask
));
5658 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
5659 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
5663 memcpy(&connect
.ht_capa
,
5664 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
5665 sizeof(connect
.ht_capa
));
5668 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
);
5674 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
5676 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5677 struct net_device
*dev
= info
->user_ptr
[1];
5680 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
5681 reason
= WLAN_REASON_DEAUTH_LEAVING
;
5683 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5688 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5689 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5692 return cfg80211_disconnect(rdev
, dev
, reason
, true);
5695 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
5697 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5702 if (!info
->attrs
[NL80211_ATTR_PID
])
5705 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
5707 net
= get_net_ns_by_pid(pid
);
5709 return PTR_ERR(net
);
5713 /* check if anything to do */
5714 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
5715 err
= cfg80211_switch_netns(rdev
, net
);
5721 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
5723 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5724 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
5725 struct cfg80211_pmksa
*pmksa
) = NULL
;
5726 struct net_device
*dev
= info
->user_ptr
[1];
5727 struct cfg80211_pmksa pmksa
;
5729 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
5731 if (!info
->attrs
[NL80211_ATTR_MAC
])
5734 if (!info
->attrs
[NL80211_ATTR_PMKID
])
5737 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
5738 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5740 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5741 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5744 switch (info
->genlhdr
->cmd
) {
5745 case NL80211_CMD_SET_PMKSA
:
5746 rdev_ops
= rdev
->ops
->set_pmksa
;
5748 case NL80211_CMD_DEL_PMKSA
:
5749 rdev_ops
= rdev
->ops
->del_pmksa
;
5759 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
5762 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
5764 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5765 struct net_device
*dev
= info
->user_ptr
[1];
5767 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5768 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5771 if (!rdev
->ops
->flush_pmksa
)
5774 return rdev
->ops
->flush_pmksa(&rdev
->wiphy
, dev
);
5777 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
5779 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5780 struct net_device
*dev
= info
->user_ptr
[1];
5781 u8 action_code
, dialog_token
;
5785 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
5786 !rdev
->ops
->tdls_mgmt
)
5789 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
5790 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
5791 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
5792 !info
->attrs
[NL80211_ATTR_IE
] ||
5793 !info
->attrs
[NL80211_ATTR_MAC
])
5796 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5797 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
5798 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
5799 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
5801 return rdev
->ops
->tdls_mgmt(&rdev
->wiphy
, dev
, peer
, action_code
,
5802 dialog_token
, status_code
,
5803 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5804 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
5807 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
5809 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5810 struct net_device
*dev
= info
->user_ptr
[1];
5811 enum nl80211_tdls_operation operation
;
5814 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
5815 !rdev
->ops
->tdls_oper
)
5818 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
5819 !info
->attrs
[NL80211_ATTR_MAC
])
5822 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
5823 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5825 return rdev
->ops
->tdls_oper(&rdev
->wiphy
, dev
, peer
, operation
);
5828 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
5829 struct genl_info
*info
)
5831 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5832 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5833 struct ieee80211_channel
*chan
;
5834 struct sk_buff
*msg
;
5837 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
5841 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5842 !info
->attrs
[NL80211_ATTR_DURATION
])
5845 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
5847 if (!rdev
->ops
->remain_on_channel
||
5848 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
5852 * We should be on that channel for at least a minimum amount of
5853 * time (10ms) but no longer than the driver supports.
5855 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
5856 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
5859 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
] &&
5860 !nl80211_valid_channel_type(info
, &channel_type
))
5863 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
5864 chan
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
5868 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5872 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5873 NL80211_CMD_REMAIN_ON_CHANNEL
);
5880 err
= rdev
->ops
->remain_on_channel(&rdev
->wiphy
, wdev
, chan
,
5881 channel_type
, duration
, &cookie
);
5886 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
5887 goto nla_put_failure
;
5889 genlmsg_end(msg
, hdr
);
5891 return genlmsg_reply(msg
, info
);
5900 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
5901 struct genl_info
*info
)
5903 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5904 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5907 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
5910 if (!rdev
->ops
->cancel_remain_on_channel
)
5913 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
5915 return rdev
->ops
->cancel_remain_on_channel(&rdev
->wiphy
, wdev
, cookie
);
5918 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
5919 u8
*rates
, u8 rates_len
)
5924 for (i
= 0; i
< rates_len
; i
++) {
5925 int rate
= (rates
[i
] & 0x7f) * 5;
5927 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
5928 struct ieee80211_rate
*srate
=
5929 &sband
->bitrates
[ridx
];
5930 if (rate
== srate
->bitrate
) {
5935 if (ridx
== sband
->n_bitrates
)
5936 return 0; /* rate not found */
5942 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
5943 u8
*rates
, u8 rates_len
,
5944 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
5948 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
5950 for (i
= 0; i
< rates_len
; i
++) {
5953 ridx
= rates
[i
] / 8;
5954 rbit
= BIT(rates
[i
] % 8);
5956 /* check validity */
5957 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
5960 /* check availability */
5961 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
5970 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
5971 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
5972 .len
= NL80211_MAX_SUPP_RATES
},
5973 [NL80211_TXRATE_MCS
] = { .type
= NLA_BINARY
,
5974 .len
= NL80211_MAX_SUPP_HT_RATES
},
5977 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
5978 struct genl_info
*info
)
5980 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
5981 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5982 struct cfg80211_bitrate_mask mask
;
5984 struct net_device
*dev
= info
->user_ptr
[1];
5985 struct nlattr
*tx_rates
;
5986 struct ieee80211_supported_band
*sband
;
5988 if (info
->attrs
[NL80211_ATTR_TX_RATES
] == NULL
)
5991 if (!rdev
->ops
->set_bitrate_mask
)
5994 memset(&mask
, 0, sizeof(mask
));
5995 /* Default to all rates enabled */
5996 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
5997 sband
= rdev
->wiphy
.bands
[i
];
5998 mask
.control
[i
].legacy
=
5999 sband
? (1 << sband
->n_bitrates
) - 1 : 0;
6001 memcpy(mask
.control
[i
].mcs
,
6002 sband
->ht_cap
.mcs
.rx_mask
,
6003 sizeof(mask
.control
[i
].mcs
));
6005 memset(mask
.control
[i
].mcs
, 0,
6006 sizeof(mask
.control
[i
].mcs
));
6010 * The nested attribute uses enum nl80211_band as the index. This maps
6011 * directly to the enum ieee80211_band values used in cfg80211.
6013 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
6014 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
)
6016 enum ieee80211_band band
= nla_type(tx_rates
);
6017 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
6019 sband
= rdev
->wiphy
.bands
[band
];
6022 nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
6023 nla_len(tx_rates
), nl80211_txattr_policy
);
6024 if (tb
[NL80211_TXRATE_LEGACY
]) {
6025 mask
.control
[band
].legacy
= rateset_to_mask(
6027 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
6028 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
6029 if ((mask
.control
[band
].legacy
== 0) &&
6030 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
6033 if (tb
[NL80211_TXRATE_MCS
]) {
6034 if (!ht_rateset_to_mask(
6036 nla_data(tb
[NL80211_TXRATE_MCS
]),
6037 nla_len(tb
[NL80211_TXRATE_MCS
]),
6038 mask
.control
[band
].mcs
))
6042 if (mask
.control
[band
].legacy
== 0) {
6043 /* don't allow empty legacy rates if HT
6044 * is not even supported. */
6045 if (!rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
)
6048 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
6049 if (mask
.control
[band
].mcs
[i
])
6052 /* legacy and mcs rates may not be both empty */
6053 if (i
== IEEE80211_HT_MCS_MASK_LEN
)
6058 return rdev
->ops
->set_bitrate_mask(&rdev
->wiphy
, dev
, NULL
, &mask
);
6061 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
6063 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6064 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6065 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
6067 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
6070 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
6071 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
6073 switch (wdev
->iftype
) {
6074 case NL80211_IFTYPE_STATION
:
6075 case NL80211_IFTYPE_ADHOC
:
6076 case NL80211_IFTYPE_P2P_CLIENT
:
6077 case NL80211_IFTYPE_AP
:
6078 case NL80211_IFTYPE_AP_VLAN
:
6079 case NL80211_IFTYPE_MESH_POINT
:
6080 case NL80211_IFTYPE_P2P_GO
:
6081 case NL80211_IFTYPE_P2P_DEVICE
:
6087 /* not much point in registering if we can't reply */
6088 if (!rdev
->ops
->mgmt_tx
)
6091 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
6092 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
6093 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
6096 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
6098 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6099 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6100 struct ieee80211_channel
*chan
;
6101 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
6102 bool channel_type_valid
= false;
6107 struct sk_buff
*msg
= NULL
;
6108 unsigned int wait
= 0;
6109 bool offchan
, no_cck
, dont_wait_for_ack
;
6111 dont_wait_for_ack
= info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
];
6113 if (!info
->attrs
[NL80211_ATTR_FRAME
] ||
6114 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6117 if (!rdev
->ops
->mgmt_tx
)
6120 switch (wdev
->iftype
) {
6121 case NL80211_IFTYPE_STATION
:
6122 case NL80211_IFTYPE_ADHOC
:
6123 case NL80211_IFTYPE_P2P_CLIENT
:
6124 case NL80211_IFTYPE_AP
:
6125 case NL80211_IFTYPE_AP_VLAN
:
6126 case NL80211_IFTYPE_MESH_POINT
:
6127 case NL80211_IFTYPE_P2P_GO
:
6128 case NL80211_IFTYPE_P2P_DEVICE
:
6134 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
6135 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
6137 wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
6140 * We should wait on the channel for at least a minimum amount
6141 * of time (10ms) but no longer than the driver supports.
6143 if (wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
6144 wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
6149 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
6150 if (!nl80211_valid_channel_type(info
, &channel_type
))
6152 channel_type_valid
= true;
6155 offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
6157 if (offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
6160 no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
6162 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
6163 chan
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
6167 if (!dont_wait_for_ack
) {
6168 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6172 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
6181 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, chan
, offchan
, channel_type
,
6182 channel_type_valid
, wait
,
6183 nla_data(info
->attrs
[NL80211_ATTR_FRAME
]),
6184 nla_len(info
->attrs
[NL80211_ATTR_FRAME
]),
6185 no_cck
, dont_wait_for_ack
, &cookie
);
6190 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
6191 goto nla_put_failure
;
6193 genlmsg_end(msg
, hdr
);
6194 return genlmsg_reply(msg
, info
);
6206 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
6208 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6209 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6212 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
6215 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
6218 switch (wdev
->iftype
) {
6219 case NL80211_IFTYPE_STATION
:
6220 case NL80211_IFTYPE_ADHOC
:
6221 case NL80211_IFTYPE_P2P_CLIENT
:
6222 case NL80211_IFTYPE_AP
:
6223 case NL80211_IFTYPE_AP_VLAN
:
6224 case NL80211_IFTYPE_P2P_GO
:
6225 case NL80211_IFTYPE_P2P_DEVICE
:
6231 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
6233 return rdev
->ops
->mgmt_tx_cancel_wait(&rdev
->wiphy
, wdev
, cookie
);
6236 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
6238 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6239 struct wireless_dev
*wdev
;
6240 struct net_device
*dev
= info
->user_ptr
[1];
6245 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
6248 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
6250 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
6253 wdev
= dev
->ieee80211_ptr
;
6255 if (!rdev
->ops
->set_power_mgmt
)
6258 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
6260 if (state
== wdev
->ps
)
6263 err
= rdev
->ops
->set_power_mgmt(wdev
->wiphy
, dev
, state
,
6270 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
6272 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6273 enum nl80211_ps_state ps_state
;
6274 struct wireless_dev
*wdev
;
6275 struct net_device
*dev
= info
->user_ptr
[1];
6276 struct sk_buff
*msg
;
6280 wdev
= dev
->ieee80211_ptr
;
6282 if (!rdev
->ops
->set_power_mgmt
)
6285 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6289 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
6290 NL80211_CMD_GET_POWER_SAVE
);
6297 ps_state
= NL80211_PS_ENABLED
;
6299 ps_state
= NL80211_PS_DISABLED
;
6301 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
6302 goto nla_put_failure
;
6304 genlmsg_end(msg
, hdr
);
6305 return genlmsg_reply(msg
, info
);
6314 static struct nla_policy
6315 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] __read_mostly
= {
6316 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
6317 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
6318 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
6319 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
6320 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
6321 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
6324 static int nl80211_set_cqm_txe(struct genl_info
*info
,
6325 u32 rate
, u32 pkts
, u32 intvl
)
6327 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6328 struct wireless_dev
*wdev
;
6329 struct net_device
*dev
= info
->user_ptr
[1];
6331 if ((rate
< 0 || rate
> 100) ||
6332 (intvl
< 0 || intvl
> NL80211_CQM_TXE_MAX_INTVL
))
6335 wdev
= dev
->ieee80211_ptr
;
6337 if (!rdev
->ops
->set_cqm_txe_config
)
6340 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
6341 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6344 return rdev
->ops
->set_cqm_txe_config(wdev
->wiphy
, dev
,
6348 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
6349 s32 threshold
, u32 hysteresis
)
6351 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6352 struct wireless_dev
*wdev
;
6353 struct net_device
*dev
= info
->user_ptr
[1];
6358 wdev
= dev
->ieee80211_ptr
;
6360 if (!rdev
->ops
->set_cqm_rssi_config
)
6363 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
6364 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6367 return rdev
->ops
->set_cqm_rssi_config(wdev
->wiphy
, dev
,
6368 threshold
, hysteresis
);
6371 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
6373 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
6377 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
6383 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
6384 nl80211_attr_cqm_policy
);
6388 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
6389 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
6392 threshold
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
6393 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
6394 err
= nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
6395 } else if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
6396 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
6397 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
6398 u32 rate
, pkts
, intvl
;
6399 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
6400 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
6401 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
6402 err
= nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
6410 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
6412 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6413 struct net_device
*dev
= info
->user_ptr
[1];
6414 struct mesh_config cfg
;
6415 struct mesh_setup setup
;
6418 /* start with default */
6419 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
6420 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
6422 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
6423 /* and parse parameters if given */
6424 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
6429 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
6430 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
6433 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
6434 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
6436 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
6437 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
6438 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
6441 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
6442 /* parse additional setup parameters if given */
6443 err
= nl80211_parse_mesh_setup(info
, &setup
);
6448 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
6449 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
6451 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
] &&
6452 !nl80211_valid_channel_type(info
, &channel_type
))
6455 setup
.channel
= rdev_freq_to_chan(rdev
,
6456 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]),
6460 setup
.channel_type
= channel_type
;
6462 /* cfg80211_join_mesh() will sort it out */
6463 setup
.channel
= NULL
;
6466 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
6469 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
6471 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6472 struct net_device
*dev
= info
->user_ptr
[1];
6474 return cfg80211_leave_mesh(rdev
, dev
);
6478 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
6480 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6481 struct sk_buff
*msg
;
6484 if (!rdev
->wiphy
.wowlan
.flags
&& !rdev
->wiphy
.wowlan
.n_patterns
)
6487 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6491 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
6492 NL80211_CMD_GET_WOWLAN
);
6494 goto nla_put_failure
;
6497 struct nlattr
*nl_wowlan
;
6499 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
6501 goto nla_put_failure
;
6503 if ((rdev
->wowlan
->any
&&
6504 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
6505 (rdev
->wowlan
->disconnect
&&
6506 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
6507 (rdev
->wowlan
->magic_pkt
&&
6508 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
6509 (rdev
->wowlan
->gtk_rekey_failure
&&
6510 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
6511 (rdev
->wowlan
->eap_identity_req
&&
6512 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
6513 (rdev
->wowlan
->four_way_handshake
&&
6514 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
6515 (rdev
->wowlan
->rfkill_release
&&
6516 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
6517 goto nla_put_failure
;
6518 if (rdev
->wowlan
->n_patterns
) {
6519 struct nlattr
*nl_pats
, *nl_pat
;
6522 nl_pats
= nla_nest_start(msg
,
6523 NL80211_WOWLAN_TRIG_PKT_PATTERN
);
6525 goto nla_put_failure
;
6527 for (i
= 0; i
< rdev
->wowlan
->n_patterns
; i
++) {
6528 nl_pat
= nla_nest_start(msg
, i
+ 1);
6530 goto nla_put_failure
;
6531 pat_len
= rdev
->wowlan
->patterns
[i
].pattern_len
;
6532 if (nla_put(msg
, NL80211_WOWLAN_PKTPAT_MASK
,
6533 DIV_ROUND_UP(pat_len
, 8),
6534 rdev
->wowlan
->patterns
[i
].mask
) ||
6535 nla_put(msg
, NL80211_WOWLAN_PKTPAT_PATTERN
,
6537 rdev
->wowlan
->patterns
[i
].pattern
))
6538 goto nla_put_failure
;
6539 nla_nest_end(msg
, nl_pat
);
6541 nla_nest_end(msg
, nl_pats
);
6544 nla_nest_end(msg
, nl_wowlan
);
6547 genlmsg_end(msg
, hdr
);
6548 return genlmsg_reply(msg
, info
);
6555 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
6557 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6558 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
6559 struct cfg80211_wowlan new_triggers
= {};
6560 struct cfg80211_wowlan
*ntrig
;
6561 struct wiphy_wowlan_support
*wowlan
= &rdev
->wiphy
.wowlan
;
6563 bool prev_enabled
= rdev
->wowlan
;
6565 if (!rdev
->wiphy
.wowlan
.flags
&& !rdev
->wiphy
.wowlan
.n_patterns
)
6568 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
6569 cfg80211_rdev_free_wowlan(rdev
);
6570 rdev
->wowlan
= NULL
;
6574 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
6575 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
6576 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
6577 nl80211_wowlan_policy
);
6581 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
6582 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
6584 new_triggers
.any
= true;
6587 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
6588 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
6590 new_triggers
.disconnect
= true;
6593 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
6594 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
6596 new_triggers
.magic_pkt
= true;
6599 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
6602 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
6603 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
6605 new_triggers
.gtk_rekey_failure
= true;
6608 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
6609 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
6611 new_triggers
.eap_identity_req
= true;
6614 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
6615 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
6617 new_triggers
.four_way_handshake
= true;
6620 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
6621 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
6623 new_triggers
.rfkill_release
= true;
6626 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
6629 int rem
, pat_len
, mask_len
;
6630 struct nlattr
*pat_tb
[NUM_NL80211_WOWLAN_PKTPAT
];
6632 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
6635 if (n_patterns
> wowlan
->n_patterns
)
6638 new_triggers
.patterns
= kcalloc(n_patterns
,
6639 sizeof(new_triggers
.patterns
[0]),
6641 if (!new_triggers
.patterns
)
6644 new_triggers
.n_patterns
= n_patterns
;
6647 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
6649 nla_parse(pat_tb
, MAX_NL80211_WOWLAN_PKTPAT
,
6650 nla_data(pat
), nla_len(pat
), NULL
);
6652 if (!pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
] ||
6653 !pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
])
6655 pat_len
= nla_len(pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
]);
6656 mask_len
= DIV_ROUND_UP(pat_len
, 8);
6657 if (nla_len(pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
]) !=
6660 if (pat_len
> wowlan
->pattern_max_len
||
6661 pat_len
< wowlan
->pattern_min_len
)
6664 new_triggers
.patterns
[i
].mask
=
6665 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
6666 if (!new_triggers
.patterns
[i
].mask
) {
6670 new_triggers
.patterns
[i
].pattern
=
6671 new_triggers
.patterns
[i
].mask
+ mask_len
;
6672 memcpy(new_triggers
.patterns
[i
].mask
,
6673 nla_data(pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
]),
6675 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
6676 memcpy(new_triggers
.patterns
[i
].pattern
,
6677 nla_data(pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
]),
6683 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
6688 cfg80211_rdev_free_wowlan(rdev
);
6689 rdev
->wowlan
= ntrig
;
6692 if (rdev
->ops
->set_wakeup
&& prev_enabled
!= !!rdev
->wowlan
)
6693 rdev
->ops
->set_wakeup(&rdev
->wiphy
, rdev
->wowlan
);
6697 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
6698 kfree(new_triggers
.patterns
[i
].mask
);
6699 kfree(new_triggers
.patterns
);
6704 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
6706 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6707 struct net_device
*dev
= info
->user_ptr
[1];
6708 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6709 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
6710 struct cfg80211_gtk_rekey_data rekey_data
;
6713 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
6716 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
6717 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
6718 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
6719 nl80211_rekey_policy
);
6723 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
6725 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
6727 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
6730 memcpy(rekey_data
.kek
, nla_data(tb
[NL80211_REKEY_DATA_KEK
]),
6732 memcpy(rekey_data
.kck
, nla_data(tb
[NL80211_REKEY_DATA_KCK
]),
6734 memcpy(rekey_data
.replay_ctr
,
6735 nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]),
6736 NL80211_REPLAY_CTR_LEN
);
6739 if (!wdev
->current_bss
) {
6744 if (!rdev
->ops
->set_rekey_data
) {
6749 err
= rdev
->ops
->set_rekey_data(&rdev
->wiphy
, dev
, &rekey_data
);
6755 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
6756 struct genl_info
*info
)
6758 struct net_device
*dev
= info
->user_ptr
[1];
6759 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6761 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
6762 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
6765 if (wdev
->ap_unexpected_nlportid
)
6768 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
6772 static int nl80211_probe_client(struct sk_buff
*skb
,
6773 struct genl_info
*info
)
6775 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6776 struct net_device
*dev
= info
->user_ptr
[1];
6777 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6778 struct sk_buff
*msg
;
6784 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
6785 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
6788 if (!info
->attrs
[NL80211_ATTR_MAC
])
6791 if (!rdev
->ops
->probe_client
)
6794 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6798 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
6799 NL80211_CMD_PROBE_CLIENT
);
6806 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6808 err
= rdev
->ops
->probe_client(&rdev
->wiphy
, dev
, addr
, &cookie
);
6812 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
6813 goto nla_put_failure
;
6815 genlmsg_end(msg
, hdr
);
6817 return genlmsg_reply(msg
, info
);
6826 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
6828 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6830 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
6833 if (rdev
->ap_beacons_nlportid
)
6836 rdev
->ap_beacons_nlportid
= info
->snd_portid
;
6841 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
6843 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6844 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6847 if (!rdev
->ops
->start_p2p_device
)
6850 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
6853 if (wdev
->p2p_started
)
6856 mutex_lock(&rdev
->devlist_mtx
);
6857 err
= cfg80211_can_add_interface(rdev
, wdev
->iftype
);
6858 mutex_unlock(&rdev
->devlist_mtx
);
6862 err
= rdev
->ops
->start_p2p_device(&rdev
->wiphy
, wdev
);
6866 wdev
->p2p_started
= true;
6867 mutex_lock(&rdev
->devlist_mtx
);
6869 mutex_unlock(&rdev
->devlist_mtx
);
6874 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
6876 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6877 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6879 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
6882 if (!rdev
->ops
->stop_p2p_device
)
6885 if (!wdev
->p2p_started
)
6888 rdev
->ops
->stop_p2p_device(&rdev
->wiphy
, wdev
);
6889 wdev
->p2p_started
= false;
6891 mutex_lock(&rdev
->devlist_mtx
);
6893 mutex_unlock(&rdev
->devlist_mtx
);
6895 if (WARN_ON(rdev
->scan_req
&& rdev
->scan_req
->wdev
== wdev
)) {
6896 rdev
->scan_req
->aborted
= true;
6897 ___cfg80211_scan_done(rdev
, true);
6903 #define NL80211_FLAG_NEED_WIPHY 0x01
6904 #define NL80211_FLAG_NEED_NETDEV 0x02
6905 #define NL80211_FLAG_NEED_RTNL 0x04
6906 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
6907 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
6908 NL80211_FLAG_CHECK_NETDEV_UP)
6909 #define NL80211_FLAG_NEED_WDEV 0x10
6910 /* If a netdev is associated, it must be UP, P2P must be started */
6911 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
6912 NL80211_FLAG_CHECK_NETDEV_UP)
6914 static int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
6915 struct genl_info
*info
)
6917 struct cfg80211_registered_device
*rdev
;
6918 struct wireless_dev
*wdev
;
6919 struct net_device
*dev
;
6920 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
6925 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
6926 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
6930 return PTR_ERR(rdev
);
6932 info
->user_ptr
[0] = rdev
;
6933 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
6934 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
6935 mutex_lock(&cfg80211_mutex
);
6936 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
6939 mutex_unlock(&cfg80211_mutex
);
6942 return PTR_ERR(wdev
);
6946 rdev
= wiphy_to_dev(wdev
->wiphy
);
6948 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
6950 mutex_unlock(&cfg80211_mutex
);
6956 info
->user_ptr
[1] = dev
;
6958 info
->user_ptr
[1] = wdev
;
6962 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
6963 !netif_running(dev
)) {
6964 mutex_unlock(&cfg80211_mutex
);
6971 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
6972 if (!wdev
->p2p_started
) {
6973 mutex_unlock(&cfg80211_mutex
);
6980 cfg80211_lock_rdev(rdev
);
6982 mutex_unlock(&cfg80211_mutex
);
6984 info
->user_ptr
[0] = rdev
;
6990 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
6991 struct genl_info
*info
)
6993 if (info
->user_ptr
[0])
6994 cfg80211_unlock_rdev(info
->user_ptr
[0]);
6995 if (info
->user_ptr
[1]) {
6996 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
6997 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7000 dev_put(wdev
->netdev
);
7002 dev_put(info
->user_ptr
[1]);
7005 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
7009 static struct genl_ops nl80211_ops
[] = {
7011 .cmd
= NL80211_CMD_GET_WIPHY
,
7012 .doit
= nl80211_get_wiphy
,
7013 .dumpit
= nl80211_dump_wiphy
,
7014 .policy
= nl80211_policy
,
7015 /* can be retrieved by unprivileged users */
7016 .internal_flags
= NL80211_FLAG_NEED_WIPHY
,
7019 .cmd
= NL80211_CMD_SET_WIPHY
,
7020 .doit
= nl80211_set_wiphy
,
7021 .policy
= nl80211_policy
,
7022 .flags
= GENL_ADMIN_PERM
,
7023 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
7026 .cmd
= NL80211_CMD_GET_INTERFACE
,
7027 .doit
= nl80211_get_interface
,
7028 .dumpit
= nl80211_dump_interface
,
7029 .policy
= nl80211_policy
,
7030 /* can be retrieved by unprivileged users */
7031 .internal_flags
= NL80211_FLAG_NEED_WDEV
,
7034 .cmd
= NL80211_CMD_SET_INTERFACE
,
7035 .doit
= nl80211_set_interface
,
7036 .policy
= nl80211_policy
,
7037 .flags
= GENL_ADMIN_PERM
,
7038 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7039 NL80211_FLAG_NEED_RTNL
,
7042 .cmd
= NL80211_CMD_NEW_INTERFACE
,
7043 .doit
= nl80211_new_interface
,
7044 .policy
= nl80211_policy
,
7045 .flags
= GENL_ADMIN_PERM
,
7046 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7047 NL80211_FLAG_NEED_RTNL
,
7050 .cmd
= NL80211_CMD_DEL_INTERFACE
,
7051 .doit
= nl80211_del_interface
,
7052 .policy
= nl80211_policy
,
7053 .flags
= GENL_ADMIN_PERM
,
7054 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
7055 NL80211_FLAG_NEED_RTNL
,
7058 .cmd
= NL80211_CMD_GET_KEY
,
7059 .doit
= nl80211_get_key
,
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_SET_KEY
,
7067 .doit
= nl80211_set_key
,
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_NEW_KEY
,
7075 .doit
= nl80211_new_key
,
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_DEL_KEY
,
7083 .doit
= nl80211_del_key
,
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_SET_BEACON
,
7091 .policy
= nl80211_policy
,
7092 .flags
= GENL_ADMIN_PERM
,
7093 .doit
= nl80211_set_beacon
,
7094 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7095 NL80211_FLAG_NEED_RTNL
,
7098 .cmd
= NL80211_CMD_START_AP
,
7099 .policy
= nl80211_policy
,
7100 .flags
= GENL_ADMIN_PERM
,
7101 .doit
= nl80211_start_ap
,
7102 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7103 NL80211_FLAG_NEED_RTNL
,
7106 .cmd
= NL80211_CMD_STOP_AP
,
7107 .policy
= nl80211_policy
,
7108 .flags
= GENL_ADMIN_PERM
,
7109 .doit
= nl80211_stop_ap
,
7110 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7111 NL80211_FLAG_NEED_RTNL
,
7114 .cmd
= NL80211_CMD_GET_STATION
,
7115 .doit
= nl80211_get_station
,
7116 .dumpit
= nl80211_dump_station
,
7117 .policy
= nl80211_policy
,
7118 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7119 NL80211_FLAG_NEED_RTNL
,
7122 .cmd
= NL80211_CMD_SET_STATION
,
7123 .doit
= nl80211_set_station
,
7124 .policy
= nl80211_policy
,
7125 .flags
= GENL_ADMIN_PERM
,
7126 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7127 NL80211_FLAG_NEED_RTNL
,
7130 .cmd
= NL80211_CMD_NEW_STATION
,
7131 .doit
= nl80211_new_station
,
7132 .policy
= nl80211_policy
,
7133 .flags
= GENL_ADMIN_PERM
,
7134 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7135 NL80211_FLAG_NEED_RTNL
,
7138 .cmd
= NL80211_CMD_DEL_STATION
,
7139 .doit
= nl80211_del_station
,
7140 .policy
= nl80211_policy
,
7141 .flags
= GENL_ADMIN_PERM
,
7142 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7143 NL80211_FLAG_NEED_RTNL
,
7146 .cmd
= NL80211_CMD_GET_MPATH
,
7147 .doit
= nl80211_get_mpath
,
7148 .dumpit
= nl80211_dump_mpath
,
7149 .policy
= nl80211_policy
,
7150 .flags
= GENL_ADMIN_PERM
,
7151 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7152 NL80211_FLAG_NEED_RTNL
,
7155 .cmd
= NL80211_CMD_SET_MPATH
,
7156 .doit
= nl80211_set_mpath
,
7157 .policy
= nl80211_policy
,
7158 .flags
= GENL_ADMIN_PERM
,
7159 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7160 NL80211_FLAG_NEED_RTNL
,
7163 .cmd
= NL80211_CMD_NEW_MPATH
,
7164 .doit
= nl80211_new_mpath
,
7165 .policy
= nl80211_policy
,
7166 .flags
= GENL_ADMIN_PERM
,
7167 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7168 NL80211_FLAG_NEED_RTNL
,
7171 .cmd
= NL80211_CMD_DEL_MPATH
,
7172 .doit
= nl80211_del_mpath
,
7173 .policy
= nl80211_policy
,
7174 .flags
= GENL_ADMIN_PERM
,
7175 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7176 NL80211_FLAG_NEED_RTNL
,
7179 .cmd
= NL80211_CMD_SET_BSS
,
7180 .doit
= nl80211_set_bss
,
7181 .policy
= nl80211_policy
,
7182 .flags
= GENL_ADMIN_PERM
,
7183 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7184 NL80211_FLAG_NEED_RTNL
,
7187 .cmd
= NL80211_CMD_GET_REG
,
7188 .doit
= nl80211_get_reg
,
7189 .policy
= nl80211_policy
,
7190 /* can be retrieved by unprivileged users */
7193 .cmd
= NL80211_CMD_SET_REG
,
7194 .doit
= nl80211_set_reg
,
7195 .policy
= nl80211_policy
,
7196 .flags
= GENL_ADMIN_PERM
,
7199 .cmd
= NL80211_CMD_REQ_SET_REG
,
7200 .doit
= nl80211_req_set_reg
,
7201 .policy
= nl80211_policy
,
7202 .flags
= GENL_ADMIN_PERM
,
7205 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
7206 .doit
= nl80211_get_mesh_config
,
7207 .policy
= nl80211_policy
,
7208 /* can be retrieved by unprivileged users */
7209 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7210 NL80211_FLAG_NEED_RTNL
,
7213 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
7214 .doit
= nl80211_update_mesh_config
,
7215 .policy
= nl80211_policy
,
7216 .flags
= GENL_ADMIN_PERM
,
7217 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7218 NL80211_FLAG_NEED_RTNL
,
7221 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
7222 .doit
= nl80211_trigger_scan
,
7223 .policy
= nl80211_policy
,
7224 .flags
= GENL_ADMIN_PERM
,
7225 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
7226 NL80211_FLAG_NEED_RTNL
,
7229 .cmd
= NL80211_CMD_GET_SCAN
,
7230 .policy
= nl80211_policy
,
7231 .dumpit
= nl80211_dump_scan
,
7234 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
7235 .doit
= nl80211_start_sched_scan
,
7236 .policy
= nl80211_policy
,
7237 .flags
= GENL_ADMIN_PERM
,
7238 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7239 NL80211_FLAG_NEED_RTNL
,
7242 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
7243 .doit
= nl80211_stop_sched_scan
,
7244 .policy
= nl80211_policy
,
7245 .flags
= GENL_ADMIN_PERM
,
7246 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7247 NL80211_FLAG_NEED_RTNL
,
7250 .cmd
= NL80211_CMD_AUTHENTICATE
,
7251 .doit
= nl80211_authenticate
,
7252 .policy
= nl80211_policy
,
7253 .flags
= GENL_ADMIN_PERM
,
7254 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7255 NL80211_FLAG_NEED_RTNL
,
7258 .cmd
= NL80211_CMD_ASSOCIATE
,
7259 .doit
= nl80211_associate
,
7260 .policy
= nl80211_policy
,
7261 .flags
= GENL_ADMIN_PERM
,
7262 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7263 NL80211_FLAG_NEED_RTNL
,
7266 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
7267 .doit
= nl80211_deauthenticate
,
7268 .policy
= nl80211_policy
,
7269 .flags
= GENL_ADMIN_PERM
,
7270 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7271 NL80211_FLAG_NEED_RTNL
,
7274 .cmd
= NL80211_CMD_DISASSOCIATE
,
7275 .doit
= nl80211_disassociate
,
7276 .policy
= nl80211_policy
,
7277 .flags
= GENL_ADMIN_PERM
,
7278 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7279 NL80211_FLAG_NEED_RTNL
,
7282 .cmd
= NL80211_CMD_JOIN_IBSS
,
7283 .doit
= nl80211_join_ibss
,
7284 .policy
= nl80211_policy
,
7285 .flags
= GENL_ADMIN_PERM
,
7286 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7287 NL80211_FLAG_NEED_RTNL
,
7290 .cmd
= NL80211_CMD_LEAVE_IBSS
,
7291 .doit
= nl80211_leave_ibss
,
7292 .policy
= nl80211_policy
,
7293 .flags
= GENL_ADMIN_PERM
,
7294 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7295 NL80211_FLAG_NEED_RTNL
,
7297 #ifdef CONFIG_NL80211_TESTMODE
7299 .cmd
= NL80211_CMD_TESTMODE
,
7300 .doit
= nl80211_testmode_do
,
7301 .dumpit
= nl80211_testmode_dump
,
7302 .policy
= nl80211_policy
,
7303 .flags
= GENL_ADMIN_PERM
,
7304 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7305 NL80211_FLAG_NEED_RTNL
,
7309 .cmd
= NL80211_CMD_CONNECT
,
7310 .doit
= nl80211_connect
,
7311 .policy
= nl80211_policy
,
7312 .flags
= GENL_ADMIN_PERM
,
7313 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7314 NL80211_FLAG_NEED_RTNL
,
7317 .cmd
= NL80211_CMD_DISCONNECT
,
7318 .doit
= nl80211_disconnect
,
7319 .policy
= nl80211_policy
,
7320 .flags
= GENL_ADMIN_PERM
,
7321 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7322 NL80211_FLAG_NEED_RTNL
,
7325 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
7326 .doit
= nl80211_wiphy_netns
,
7327 .policy
= nl80211_policy
,
7328 .flags
= GENL_ADMIN_PERM
,
7329 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7330 NL80211_FLAG_NEED_RTNL
,
7333 .cmd
= NL80211_CMD_GET_SURVEY
,
7334 .policy
= nl80211_policy
,
7335 .dumpit
= nl80211_dump_survey
,
7338 .cmd
= NL80211_CMD_SET_PMKSA
,
7339 .doit
= nl80211_setdel_pmksa
,
7340 .policy
= nl80211_policy
,
7341 .flags
= GENL_ADMIN_PERM
,
7342 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7343 NL80211_FLAG_NEED_RTNL
,
7346 .cmd
= NL80211_CMD_DEL_PMKSA
,
7347 .doit
= nl80211_setdel_pmksa
,
7348 .policy
= nl80211_policy
,
7349 .flags
= GENL_ADMIN_PERM
,
7350 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7351 NL80211_FLAG_NEED_RTNL
,
7354 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
7355 .doit
= nl80211_flush_pmksa
,
7356 .policy
= nl80211_policy
,
7357 .flags
= GENL_ADMIN_PERM
,
7358 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7359 NL80211_FLAG_NEED_RTNL
,
7362 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
7363 .doit
= nl80211_remain_on_channel
,
7364 .policy
= nl80211_policy
,
7365 .flags
= GENL_ADMIN_PERM
,
7366 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
7367 NL80211_FLAG_NEED_RTNL
,
7370 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
7371 .doit
= nl80211_cancel_remain_on_channel
,
7372 .policy
= nl80211_policy
,
7373 .flags
= GENL_ADMIN_PERM
,
7374 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
7375 NL80211_FLAG_NEED_RTNL
,
7378 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
7379 .doit
= nl80211_set_tx_bitrate_mask
,
7380 .policy
= nl80211_policy
,
7381 .flags
= GENL_ADMIN_PERM
,
7382 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7383 NL80211_FLAG_NEED_RTNL
,
7386 .cmd
= NL80211_CMD_REGISTER_FRAME
,
7387 .doit
= nl80211_register_mgmt
,
7388 .policy
= nl80211_policy
,
7389 .flags
= GENL_ADMIN_PERM
,
7390 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
7391 NL80211_FLAG_NEED_RTNL
,
7394 .cmd
= NL80211_CMD_FRAME
,
7395 .doit
= nl80211_tx_mgmt
,
7396 .policy
= nl80211_policy
,
7397 .flags
= GENL_ADMIN_PERM
,
7398 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
7399 NL80211_FLAG_NEED_RTNL
,
7402 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
7403 .doit
= nl80211_tx_mgmt_cancel_wait
,
7404 .policy
= nl80211_policy
,
7405 .flags
= GENL_ADMIN_PERM
,
7406 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
7407 NL80211_FLAG_NEED_RTNL
,
7410 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
7411 .doit
= nl80211_set_power_save
,
7412 .policy
= nl80211_policy
,
7413 .flags
= GENL_ADMIN_PERM
,
7414 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7415 NL80211_FLAG_NEED_RTNL
,
7418 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
7419 .doit
= nl80211_get_power_save
,
7420 .policy
= nl80211_policy
,
7421 /* can be retrieved by unprivileged users */
7422 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7423 NL80211_FLAG_NEED_RTNL
,
7426 .cmd
= NL80211_CMD_SET_CQM
,
7427 .doit
= nl80211_set_cqm
,
7428 .policy
= nl80211_policy
,
7429 .flags
= GENL_ADMIN_PERM
,
7430 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7431 NL80211_FLAG_NEED_RTNL
,
7434 .cmd
= NL80211_CMD_SET_CHANNEL
,
7435 .doit
= nl80211_set_channel
,
7436 .policy
= nl80211_policy
,
7437 .flags
= GENL_ADMIN_PERM
,
7438 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7439 NL80211_FLAG_NEED_RTNL
,
7442 .cmd
= NL80211_CMD_SET_WDS_PEER
,
7443 .doit
= nl80211_set_wds_peer
,
7444 .policy
= nl80211_policy
,
7445 .flags
= GENL_ADMIN_PERM
,
7446 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7447 NL80211_FLAG_NEED_RTNL
,
7450 .cmd
= NL80211_CMD_JOIN_MESH
,
7451 .doit
= nl80211_join_mesh
,
7452 .policy
= nl80211_policy
,
7453 .flags
= GENL_ADMIN_PERM
,
7454 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7455 NL80211_FLAG_NEED_RTNL
,
7458 .cmd
= NL80211_CMD_LEAVE_MESH
,
7459 .doit
= nl80211_leave_mesh
,
7460 .policy
= nl80211_policy
,
7461 .flags
= GENL_ADMIN_PERM
,
7462 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7463 NL80211_FLAG_NEED_RTNL
,
7467 .cmd
= NL80211_CMD_GET_WOWLAN
,
7468 .doit
= nl80211_get_wowlan
,
7469 .policy
= nl80211_policy
,
7470 /* can be retrieved by unprivileged users */
7471 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7472 NL80211_FLAG_NEED_RTNL
,
7475 .cmd
= NL80211_CMD_SET_WOWLAN
,
7476 .doit
= nl80211_set_wowlan
,
7477 .policy
= nl80211_policy
,
7478 .flags
= GENL_ADMIN_PERM
,
7479 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7480 NL80211_FLAG_NEED_RTNL
,
7484 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
7485 .doit
= nl80211_set_rekey_data
,
7486 .policy
= nl80211_policy
,
7487 .flags
= GENL_ADMIN_PERM
,
7488 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7489 NL80211_FLAG_NEED_RTNL
,
7492 .cmd
= NL80211_CMD_TDLS_MGMT
,
7493 .doit
= nl80211_tdls_mgmt
,
7494 .policy
= nl80211_policy
,
7495 .flags
= GENL_ADMIN_PERM
,
7496 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7497 NL80211_FLAG_NEED_RTNL
,
7500 .cmd
= NL80211_CMD_TDLS_OPER
,
7501 .doit
= nl80211_tdls_oper
,
7502 .policy
= nl80211_policy
,
7503 .flags
= GENL_ADMIN_PERM
,
7504 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7505 NL80211_FLAG_NEED_RTNL
,
7508 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
7509 .doit
= nl80211_register_unexpected_frame
,
7510 .policy
= nl80211_policy
,
7511 .flags
= GENL_ADMIN_PERM
,
7512 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7513 NL80211_FLAG_NEED_RTNL
,
7516 .cmd
= NL80211_CMD_PROBE_CLIENT
,
7517 .doit
= nl80211_probe_client
,
7518 .policy
= nl80211_policy
,
7519 .flags
= GENL_ADMIN_PERM
,
7520 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7521 NL80211_FLAG_NEED_RTNL
,
7524 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
7525 .doit
= nl80211_register_beacons
,
7526 .policy
= nl80211_policy
,
7527 .flags
= GENL_ADMIN_PERM
,
7528 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7529 NL80211_FLAG_NEED_RTNL
,
7532 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
7533 .doit
= nl80211_set_noack_map
,
7534 .policy
= nl80211_policy
,
7535 .flags
= GENL_ADMIN_PERM
,
7536 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7537 NL80211_FLAG_NEED_RTNL
,
7540 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
7541 .doit
= nl80211_start_p2p_device
,
7542 .policy
= nl80211_policy
,
7543 .flags
= GENL_ADMIN_PERM
,
7544 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
7545 NL80211_FLAG_NEED_RTNL
,
7548 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
7549 .doit
= nl80211_stop_p2p_device
,
7550 .policy
= nl80211_policy
,
7551 .flags
= GENL_ADMIN_PERM
,
7552 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
7553 NL80211_FLAG_NEED_RTNL
,
7557 static struct genl_multicast_group nl80211_mlme_mcgrp
= {
7561 /* multicast groups */
7562 static struct genl_multicast_group nl80211_config_mcgrp
= {
7565 static struct genl_multicast_group nl80211_scan_mcgrp
= {
7568 static struct genl_multicast_group nl80211_regulatory_mcgrp
= {
7569 .name
= "regulatory",
7572 /* notification functions */
7574 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
7576 struct sk_buff
*msg
;
7578 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7582 if (nl80211_send_wiphy(msg
, 0, 0, 0, rdev
) < 0) {
7587 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7588 nl80211_config_mcgrp
.id
, GFP_KERNEL
);
7591 static int nl80211_add_scan_req(struct sk_buff
*msg
,
7592 struct cfg80211_registered_device
*rdev
)
7594 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
7595 struct nlattr
*nest
;
7598 ASSERT_RDEV_LOCK(rdev
);
7603 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
7605 goto nla_put_failure
;
7606 for (i
= 0; i
< req
->n_ssids
; i
++) {
7607 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
7608 goto nla_put_failure
;
7610 nla_nest_end(msg
, nest
);
7612 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
7614 goto nla_put_failure
;
7615 for (i
= 0; i
< req
->n_channels
; i
++) {
7616 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
7617 goto nla_put_failure
;
7619 nla_nest_end(msg
, nest
);
7622 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
7623 goto nla_put_failure
;
7630 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
7631 struct cfg80211_registered_device
*rdev
,
7632 struct wireless_dev
*wdev
,
7633 u32 portid
, u32 seq
, int flags
,
7638 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
7642 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7643 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
7644 wdev
->netdev
->ifindex
)) ||
7645 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
7646 goto nla_put_failure
;
7648 /* ignore errors and send incomplete event anyway */
7649 nl80211_add_scan_req(msg
, rdev
);
7651 return genlmsg_end(msg
, hdr
);
7654 genlmsg_cancel(msg
, hdr
);
7659 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
7660 struct cfg80211_registered_device
*rdev
,
7661 struct net_device
*netdev
,
7662 u32 portid
, u32 seq
, int flags
, u32 cmd
)
7666 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
7670 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7671 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
7672 goto nla_put_failure
;
7674 return genlmsg_end(msg
, hdr
);
7677 genlmsg_cancel(msg
, hdr
);
7681 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
7682 struct wireless_dev
*wdev
)
7684 struct sk_buff
*msg
;
7686 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7690 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
7691 NL80211_CMD_TRIGGER_SCAN
) < 0) {
7696 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7697 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7700 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
7701 struct wireless_dev
*wdev
)
7703 struct sk_buff
*msg
;
7705 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7709 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
7710 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
7715 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7716 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7719 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
7720 struct wireless_dev
*wdev
)
7722 struct sk_buff
*msg
;
7724 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7728 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
7729 NL80211_CMD_SCAN_ABORTED
) < 0) {
7734 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7735 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7738 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
7739 struct net_device
*netdev
)
7741 struct sk_buff
*msg
;
7743 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7747 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
7748 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
7753 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7754 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7757 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
7758 struct net_device
*netdev
, u32 cmd
)
7760 struct sk_buff
*msg
;
7762 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7766 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
7771 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7772 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7776 * This can happen on global regulatory changes or device specific settings
7777 * based on custom world regulatory domains.
7779 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
7781 struct sk_buff
*msg
;
7784 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7788 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
7794 /* Userspace can always count this one always being set */
7795 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
7796 goto nla_put_failure
;
7798 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
7799 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
7800 NL80211_REGDOM_TYPE_WORLD
))
7801 goto nla_put_failure
;
7802 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
7803 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
7804 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
7805 goto nla_put_failure
;
7806 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
7807 request
->intersect
) {
7808 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
7809 NL80211_REGDOM_TYPE_INTERSECTION
))
7810 goto nla_put_failure
;
7812 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
7813 NL80211_REGDOM_TYPE_COUNTRY
) ||
7814 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
7816 goto nla_put_failure
;
7819 if (wiphy_idx_valid(request
->wiphy_idx
) &&
7820 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
7821 goto nla_put_failure
;
7823 genlmsg_end(msg
, hdr
);
7826 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
7833 genlmsg_cancel(msg
, hdr
);
7837 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
7838 struct net_device
*netdev
,
7839 const u8
*buf
, size_t len
,
7840 enum nl80211_commands cmd
, gfp_t gfp
)
7842 struct sk_buff
*msg
;
7845 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7849 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
7855 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7856 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7857 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
7858 goto nla_put_failure
;
7860 genlmsg_end(msg
, hdr
);
7862 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7863 nl80211_mlme_mcgrp
.id
, gfp
);
7867 genlmsg_cancel(msg
, hdr
);
7871 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
7872 struct net_device
*netdev
, const u8
*buf
,
7873 size_t len
, gfp_t gfp
)
7875 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7876 NL80211_CMD_AUTHENTICATE
, gfp
);
7879 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
7880 struct net_device
*netdev
, const u8
*buf
,
7881 size_t len
, gfp_t gfp
)
7883 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7884 NL80211_CMD_ASSOCIATE
, gfp
);
7887 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
7888 struct net_device
*netdev
, const u8
*buf
,
7889 size_t len
, gfp_t gfp
)
7891 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7892 NL80211_CMD_DEAUTHENTICATE
, gfp
);
7895 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
7896 struct net_device
*netdev
, const u8
*buf
,
7897 size_t len
, gfp_t gfp
)
7899 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7900 NL80211_CMD_DISASSOCIATE
, gfp
);
7903 void nl80211_send_unprot_deauth(struct cfg80211_registered_device
*rdev
,
7904 struct net_device
*netdev
, const u8
*buf
,
7905 size_t len
, gfp_t gfp
)
7907 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7908 NL80211_CMD_UNPROT_DEAUTHENTICATE
, gfp
);
7911 void nl80211_send_unprot_disassoc(struct cfg80211_registered_device
*rdev
,
7912 struct net_device
*netdev
, const u8
*buf
,
7913 size_t len
, gfp_t gfp
)
7915 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7916 NL80211_CMD_UNPROT_DISASSOCIATE
, gfp
);
7919 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
7920 struct net_device
*netdev
, int cmd
,
7921 const u8
*addr
, gfp_t gfp
)
7923 struct sk_buff
*msg
;
7926 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7930 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
7936 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7937 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7938 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
7939 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
7940 goto nla_put_failure
;
7942 genlmsg_end(msg
, hdr
);
7944 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7945 nl80211_mlme_mcgrp
.id
, gfp
);
7949 genlmsg_cancel(msg
, hdr
);
7953 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
7954 struct net_device
*netdev
, const u8
*addr
,
7957 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
7961 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
7962 struct net_device
*netdev
, const u8
*addr
,
7965 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
7969 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
7970 struct net_device
*netdev
, const u8
*bssid
,
7971 const u8
*req_ie
, size_t req_ie_len
,
7972 const u8
*resp_ie
, size_t resp_ie_len
,
7973 u16 status
, gfp_t gfp
)
7975 struct sk_buff
*msg
;
7978 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7982 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
7988 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7989 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7990 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
7991 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
7993 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
7995 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
7996 goto nla_put_failure
;
7998 genlmsg_end(msg
, hdr
);
8000 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8001 nl80211_mlme_mcgrp
.id
, gfp
);
8005 genlmsg_cancel(msg
, hdr
);
8010 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
8011 struct net_device
*netdev
, const u8
*bssid
,
8012 const u8
*req_ie
, size_t req_ie_len
,
8013 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
8015 struct sk_buff
*msg
;
8018 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8022 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
8028 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8029 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8030 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
8032 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
8034 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
8035 goto nla_put_failure
;
8037 genlmsg_end(msg
, hdr
);
8039 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8040 nl80211_mlme_mcgrp
.id
, gfp
);
8044 genlmsg_cancel(msg
, hdr
);
8049 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
8050 struct net_device
*netdev
, u16 reason
,
8051 const u8
*ie
, size_t ie_len
, bool from_ap
)
8053 struct sk_buff
*msg
;
8056 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8060 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
8066 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8067 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8068 (from_ap
&& reason
&&
8069 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
8071 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
8072 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
8073 goto nla_put_failure
;
8075 genlmsg_end(msg
, hdr
);
8077 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8078 nl80211_mlme_mcgrp
.id
, GFP_KERNEL
);
8082 genlmsg_cancel(msg
, hdr
);
8087 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
8088 struct net_device
*netdev
, const u8
*bssid
,
8091 struct sk_buff
*msg
;
8094 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8098 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
8104 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8105 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8106 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
8107 goto nla_put_failure
;
8109 genlmsg_end(msg
, hdr
);
8111 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8112 nl80211_mlme_mcgrp
.id
, gfp
);
8116 genlmsg_cancel(msg
, hdr
);
8120 void nl80211_send_new_peer_candidate(struct cfg80211_registered_device
*rdev
,
8121 struct net_device
*netdev
,
8122 const u8
*macaddr
, const u8
* ie
, u8 ie_len
,
8125 struct sk_buff
*msg
;
8128 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8132 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
8138 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8139 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8140 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, macaddr
) ||
8142 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
8143 goto nla_put_failure
;
8145 genlmsg_end(msg
, hdr
);
8147 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8148 nl80211_mlme_mcgrp
.id
, gfp
);
8152 genlmsg_cancel(msg
, hdr
);
8156 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
8157 struct net_device
*netdev
, const u8
*addr
,
8158 enum nl80211_key_type key_type
, int key_id
,
8159 const u8
*tsc
, gfp_t gfp
)
8161 struct sk_buff
*msg
;
8164 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8168 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
8174 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8175 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8176 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
8177 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
8179 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
8180 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
8181 goto nla_put_failure
;
8183 genlmsg_end(msg
, hdr
);
8185 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8186 nl80211_mlme_mcgrp
.id
, gfp
);
8190 genlmsg_cancel(msg
, hdr
);
8194 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
8195 struct ieee80211_channel
*channel_before
,
8196 struct ieee80211_channel
*channel_after
)
8198 struct sk_buff
*msg
;
8200 struct nlattr
*nl_freq
;
8202 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
8206 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
8213 * Since we are applying the beacon hint to a wiphy we know its
8214 * wiphy_idx is valid
8216 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
8217 goto nla_put_failure
;
8220 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
8222 goto nla_put_failure
;
8223 if (nl80211_msg_put_channel(msg
, channel_before
))
8224 goto nla_put_failure
;
8225 nla_nest_end(msg
, nl_freq
);
8228 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
8230 goto nla_put_failure
;
8231 if (nl80211_msg_put_channel(msg
, channel_after
))
8232 goto nla_put_failure
;
8233 nla_nest_end(msg
, nl_freq
);
8235 genlmsg_end(msg
, hdr
);
8238 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
8245 genlmsg_cancel(msg
, hdr
);
8249 static void nl80211_send_remain_on_chan_event(
8250 int cmd
, struct cfg80211_registered_device
*rdev
,
8251 struct wireless_dev
*wdev
, u64 cookie
,
8252 struct ieee80211_channel
*chan
,
8253 enum nl80211_channel_type channel_type
,
8254 unsigned int duration
, gfp_t gfp
)
8256 struct sk_buff
*msg
;
8259 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8263 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
8269 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8270 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
8271 wdev
->netdev
->ifindex
)) ||
8272 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
8273 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
8274 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
, channel_type
) ||
8275 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8276 goto nla_put_failure
;
8278 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
8279 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
8280 goto nla_put_failure
;
8282 genlmsg_end(msg
, hdr
);
8284 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8285 nl80211_mlme_mcgrp
.id
, gfp
);
8289 genlmsg_cancel(msg
, hdr
);
8293 void nl80211_send_remain_on_channel(struct cfg80211_registered_device
*rdev
,
8294 struct wireless_dev
*wdev
, u64 cookie
,
8295 struct ieee80211_channel
*chan
,
8296 enum nl80211_channel_type channel_type
,
8297 unsigned int duration
, gfp_t gfp
)
8299 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
8300 rdev
, wdev
, cookie
, chan
,
8301 channel_type
, duration
, gfp
);
8304 void nl80211_send_remain_on_channel_cancel(
8305 struct cfg80211_registered_device
*rdev
,
8306 struct wireless_dev
*wdev
,
8307 u64 cookie
, struct ieee80211_channel
*chan
,
8308 enum nl80211_channel_type channel_type
, gfp_t gfp
)
8310 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
8311 rdev
, wdev
, cookie
, chan
,
8312 channel_type
, 0, gfp
);
8315 void nl80211_send_sta_event(struct cfg80211_registered_device
*rdev
,
8316 struct net_device
*dev
, const u8
*mac_addr
,
8317 struct station_info
*sinfo
, gfp_t gfp
)
8319 struct sk_buff
*msg
;
8321 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8325 if (nl80211_send_station(msg
, 0, 0, 0,
8326 rdev
, dev
, mac_addr
, sinfo
) < 0) {
8331 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8332 nl80211_mlme_mcgrp
.id
, gfp
);
8335 void nl80211_send_sta_del_event(struct cfg80211_registered_device
*rdev
,
8336 struct net_device
*dev
, const u8
*mac_addr
,
8339 struct sk_buff
*msg
;
8342 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8346 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
8352 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
8353 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
8354 goto nla_put_failure
;
8356 genlmsg_end(msg
, hdr
);
8358 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8359 nl80211_mlme_mcgrp
.id
, gfp
);
8363 genlmsg_cancel(msg
, hdr
);
8367 void nl80211_send_conn_failed_event(struct cfg80211_registered_device
*rdev
,
8368 struct net_device
*dev
, const u8
*mac_addr
,
8369 enum nl80211_connect_failed_reason reason
,
8372 struct sk_buff
*msg
;
8375 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
8379 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
8385 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
8386 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
8387 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
8388 goto nla_put_failure
;
8390 genlmsg_end(msg
, hdr
);
8392 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8393 nl80211_mlme_mcgrp
.id
, gfp
);
8397 genlmsg_cancel(msg
, hdr
);
8401 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
8402 const u8
*addr
, gfp_t gfp
)
8404 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8405 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
8406 struct sk_buff
*msg
;
8409 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
8414 msg
= nlmsg_new(100, gfp
);
8418 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
8424 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8425 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
8426 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
8427 goto nla_put_failure
;
8429 err
= genlmsg_end(msg
, hdr
);
8435 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
8439 genlmsg_cancel(msg
, hdr
);
8444 bool nl80211_unexpected_frame(struct net_device
*dev
, const u8
*addr
, gfp_t gfp
)
8446 return __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
8450 bool nl80211_unexpected_4addr_frame(struct net_device
*dev
,
8451 const u8
*addr
, gfp_t gfp
)
8453 return __nl80211_unexpected_frame(dev
,
8454 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
8458 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
8459 struct wireless_dev
*wdev
, u32 nlportid
,
8460 int freq
, int sig_dbm
,
8461 const u8
*buf
, size_t len
, gfp_t gfp
)
8463 struct net_device
*netdev
= wdev
->netdev
;
8464 struct sk_buff
*msg
;
8467 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8471 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
8477 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8478 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
8479 netdev
->ifindex
)) ||
8480 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
8482 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
8483 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
8484 goto nla_put_failure
;
8486 genlmsg_end(msg
, hdr
);
8488 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
8491 genlmsg_cancel(msg
, hdr
);
8496 void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device
*rdev
,
8497 struct wireless_dev
*wdev
, u64 cookie
,
8498 const u8
*buf
, size_t len
, bool ack
,
8501 struct net_device
*netdev
= wdev
->netdev
;
8502 struct sk_buff
*msg
;
8505 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8509 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
8515 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8516 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
8517 netdev
->ifindex
)) ||
8518 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
8519 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
8520 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
8521 goto nla_put_failure
;
8523 genlmsg_end(msg
, hdr
);
8525 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, gfp
);
8529 genlmsg_cancel(msg
, hdr
);
8534 nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device
*rdev
,
8535 struct net_device
*netdev
,
8536 enum nl80211_cqm_rssi_threshold_event rssi_event
,
8539 struct sk_buff
*msg
;
8540 struct nlattr
*pinfoattr
;
8543 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8547 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
8553 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8554 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
8555 goto nla_put_failure
;
8557 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
8559 goto nla_put_failure
;
8561 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
8563 goto nla_put_failure
;
8565 nla_nest_end(msg
, pinfoattr
);
8567 genlmsg_end(msg
, hdr
);
8569 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8570 nl80211_mlme_mcgrp
.id
, gfp
);
8574 genlmsg_cancel(msg
, hdr
);
8578 void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
8579 struct net_device
*netdev
, const u8
*bssid
,
8580 const u8
*replay_ctr
, gfp_t gfp
)
8582 struct sk_buff
*msg
;
8583 struct nlattr
*rekey_attr
;
8586 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8590 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
8596 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8597 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8598 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
8599 goto nla_put_failure
;
8601 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
8603 goto nla_put_failure
;
8605 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
8606 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
8607 goto nla_put_failure
;
8609 nla_nest_end(msg
, rekey_attr
);
8611 genlmsg_end(msg
, hdr
);
8613 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8614 nl80211_mlme_mcgrp
.id
, gfp
);
8618 genlmsg_cancel(msg
, hdr
);
8622 void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
8623 struct net_device
*netdev
, int index
,
8624 const u8
*bssid
, bool preauth
, gfp_t gfp
)
8626 struct sk_buff
*msg
;
8627 struct nlattr
*attr
;
8630 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8634 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
8640 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8641 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
8642 goto nla_put_failure
;
8644 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
8646 goto nla_put_failure
;
8648 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
8649 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
8651 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
8652 goto nla_put_failure
;
8654 nla_nest_end(msg
, attr
);
8656 genlmsg_end(msg
, hdr
);
8658 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8659 nl80211_mlme_mcgrp
.id
, gfp
);
8663 genlmsg_cancel(msg
, hdr
);
8667 void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
8668 struct net_device
*netdev
, int freq
,
8669 enum nl80211_channel_type type
, gfp_t gfp
)
8671 struct sk_buff
*msg
;
8674 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8678 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY
);
8684 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8685 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
8686 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
, type
))
8687 goto nla_put_failure
;
8689 genlmsg_end(msg
, hdr
);
8691 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8692 nl80211_mlme_mcgrp
.id
, gfp
);
8696 genlmsg_cancel(msg
, hdr
);
8701 nl80211_send_cqm_txe_notify(struct cfg80211_registered_device
*rdev
,
8702 struct net_device
*netdev
, const u8
*peer
,
8703 u32 num_packets
, u32 rate
, u32 intvl
, gfp_t gfp
)
8705 struct sk_buff
*msg
;
8706 struct nlattr
*pinfoattr
;
8709 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
8713 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
8719 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8720 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8721 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
8722 goto nla_put_failure
;
8724 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
8726 goto nla_put_failure
;
8728 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
8729 goto nla_put_failure
;
8731 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
8732 goto nla_put_failure
;
8734 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
8735 goto nla_put_failure
;
8737 nla_nest_end(msg
, pinfoattr
);
8739 genlmsg_end(msg
, hdr
);
8741 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8742 nl80211_mlme_mcgrp
.id
, gfp
);
8746 genlmsg_cancel(msg
, hdr
);
8751 nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device
*rdev
,
8752 struct net_device
*netdev
, const u8
*peer
,
8753 u32 num_packets
, gfp_t gfp
)
8755 struct sk_buff
*msg
;
8756 struct nlattr
*pinfoattr
;
8759 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8763 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
8769 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8770 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8771 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
8772 goto nla_put_failure
;
8774 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
8776 goto nla_put_failure
;
8778 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
8779 goto nla_put_failure
;
8781 nla_nest_end(msg
, pinfoattr
);
8783 genlmsg_end(msg
, hdr
);
8785 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8786 nl80211_mlme_mcgrp
.id
, gfp
);
8790 genlmsg_cancel(msg
, hdr
);
8794 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
8795 u64 cookie
, bool acked
, gfp_t gfp
)
8797 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8798 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
8799 struct sk_buff
*msg
;
8803 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8807 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
8813 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8814 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
8815 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
8816 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
8817 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
8818 goto nla_put_failure
;
8820 err
= genlmsg_end(msg
, hdr
);
8826 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8827 nl80211_mlme_mcgrp
.id
, gfp
);
8831 genlmsg_cancel(msg
, hdr
);
8834 EXPORT_SYMBOL(cfg80211_probe_status
);
8836 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
8837 const u8
*frame
, size_t len
,
8838 int freq
, int sig_dbm
, gfp_t gfp
)
8840 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
8841 struct sk_buff
*msg
;
8843 u32 nlportid
= ACCESS_ONCE(rdev
->ap_beacons_nlportid
);
8848 msg
= nlmsg_new(len
+ 100, gfp
);
8852 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
8858 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8860 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
8862 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
8863 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
8864 goto nla_put_failure
;
8866 genlmsg_end(msg
, hdr
);
8868 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
8872 genlmsg_cancel(msg
, hdr
);
8875 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
8877 static int nl80211_netlink_notify(struct notifier_block
* nb
,
8878 unsigned long state
,
8881 struct netlink_notify
*notify
= _notify
;
8882 struct cfg80211_registered_device
*rdev
;
8883 struct wireless_dev
*wdev
;
8885 if (state
!= NETLINK_URELEASE
)
8890 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
8891 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
)
8892 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
8893 if (rdev
->ap_beacons_nlportid
== notify
->portid
)
8894 rdev
->ap_beacons_nlportid
= 0;
8902 static struct notifier_block nl80211_netlink_notifier
= {
8903 .notifier_call
= nl80211_netlink_notify
,
8906 /* initialisation/exit functions */
8908 int nl80211_init(void)
8912 err
= genl_register_family_with_ops(&nl80211_fam
,
8913 nl80211_ops
, ARRAY_SIZE(nl80211_ops
));
8917 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_config_mcgrp
);
8921 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_scan_mcgrp
);
8925 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_regulatory_mcgrp
);
8929 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_mlme_mcgrp
);
8933 #ifdef CONFIG_NL80211_TESTMODE
8934 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_testmode_mcgrp
);
8939 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
8945 genl_unregister_family(&nl80211_fam
);
8949 void nl80211_exit(void)
8951 netlink_unregister_notifier(&nl80211_netlink_notifier
);
8952 genl_unregister_family(&nl80211_fam
);