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>
22 #include <net/inet_connection_sock.h>
28 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
29 struct genl_info
*info
,
30 struct cfg80211_crypto_settings
*settings
,
33 static int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
34 struct genl_info
*info
);
35 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
36 struct genl_info
*info
);
38 /* the netlink family */
39 static struct genl_family nl80211_fam
= {
40 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
41 .name
= "nl80211", /* have users key off the name instead */
42 .hdrsize
= 0, /* no private header */
43 .version
= 1, /* no particular meaning now */
44 .maxattr
= NL80211_ATTR_MAX
,
46 .pre_doit
= nl80211_pre_doit
,
47 .post_doit
= nl80211_post_doit
,
50 /* returns ERR_PTR values */
51 static struct wireless_dev
*
52 __cfg80211_wdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
54 struct cfg80211_registered_device
*rdev
;
55 struct wireless_dev
*result
= NULL
;
56 bool have_ifidx
= attrs
[NL80211_ATTR_IFINDEX
];
57 bool have_wdev_id
= attrs
[NL80211_ATTR_WDEV
];
62 assert_cfg80211_lock();
64 if (!have_ifidx
&& !have_wdev_id
)
65 return ERR_PTR(-EINVAL
);
68 ifidx
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
70 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
71 wiphy_idx
= wdev_id
>> 32;
74 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
75 struct wireless_dev
*wdev
;
77 if (wiphy_net(&rdev
->wiphy
) != netns
)
80 if (have_wdev_id
&& rdev
->wiphy_idx
!= wiphy_idx
)
83 mutex_lock(&rdev
->devlist_mtx
);
84 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
85 if (have_ifidx
&& wdev
->netdev
&&
86 wdev
->netdev
->ifindex
== ifidx
) {
90 if (have_wdev_id
&& wdev
->identifier
== (u32
)wdev_id
) {
95 mutex_unlock(&rdev
->devlist_mtx
);
103 return ERR_PTR(-ENODEV
);
106 static struct cfg80211_registered_device
*
107 __cfg80211_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
109 struct cfg80211_registered_device
*rdev
= NULL
, *tmp
;
110 struct net_device
*netdev
;
112 assert_cfg80211_lock();
114 if (!attrs
[NL80211_ATTR_WIPHY
] &&
115 !attrs
[NL80211_ATTR_IFINDEX
] &&
116 !attrs
[NL80211_ATTR_WDEV
])
117 return ERR_PTR(-EINVAL
);
119 if (attrs
[NL80211_ATTR_WIPHY
])
120 rdev
= cfg80211_rdev_by_wiphy_idx(
121 nla_get_u32(attrs
[NL80211_ATTR_WIPHY
]));
123 if (attrs
[NL80211_ATTR_WDEV
]) {
124 u64 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
125 struct wireless_dev
*wdev
;
128 tmp
= cfg80211_rdev_by_wiphy_idx(wdev_id
>> 32);
130 /* make sure wdev exists */
131 mutex_lock(&tmp
->devlist_mtx
);
132 list_for_each_entry(wdev
, &tmp
->wdev_list
, list
) {
133 if (wdev
->identifier
!= (u32
)wdev_id
)
138 mutex_unlock(&tmp
->devlist_mtx
);
143 if (rdev
&& tmp
!= rdev
)
144 return ERR_PTR(-EINVAL
);
149 if (attrs
[NL80211_ATTR_IFINDEX
]) {
150 int ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
151 netdev
= dev_get_by_index(netns
, ifindex
);
153 if (netdev
->ieee80211_ptr
)
155 netdev
->ieee80211_ptr
->wiphy
);
161 /* not wireless device -- return error */
163 return ERR_PTR(-EINVAL
);
165 /* mismatch -- return error */
166 if (rdev
&& tmp
!= rdev
)
167 return ERR_PTR(-EINVAL
);
174 return ERR_PTR(-ENODEV
);
176 if (netns
!= wiphy_net(&rdev
->wiphy
))
177 return ERR_PTR(-ENODEV
);
183 * This function returns a pointer to the driver
184 * that the genl_info item that is passed refers to.
185 * If successful, it returns non-NULL and also locks
186 * the driver's mutex!
188 * This means that you need to call cfg80211_unlock_rdev()
189 * before being allowed to acquire &cfg80211_mutex!
191 * This is necessary because we need to lock the global
192 * mutex to get an item off the list safely, and then
193 * we lock the rdev mutex so it doesn't go away under us.
195 * We don't want to keep cfg80211_mutex locked
196 * for all the time in order to allow requests on
197 * other interfaces to go through at the same time.
199 * The result of this can be a PTR_ERR and hence must
200 * be checked with IS_ERR() for errors.
202 static struct cfg80211_registered_device
*
203 cfg80211_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
205 struct cfg80211_registered_device
*rdev
;
207 mutex_lock(&cfg80211_mutex
);
208 rdev
= __cfg80211_rdev_from_attrs(netns
, info
->attrs
);
210 /* if it is not an error we grab the lock on
211 * it to assure it won't be going away while
212 * we operate on it */
214 mutex_lock(&rdev
->mtx
);
216 mutex_unlock(&cfg80211_mutex
);
221 /* policy for the attributes */
222 static const struct nla_policy nl80211_policy
[NL80211_ATTR_MAX
+1] = {
223 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
224 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
226 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
228 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
229 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
230 [NL80211_ATTR_CHANNEL_WIDTH
] = { .type
= NLA_U32
},
231 [NL80211_ATTR_CENTER_FREQ1
] = { .type
= NLA_U32
},
232 [NL80211_ATTR_CENTER_FREQ2
] = { .type
= NLA_U32
},
234 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
235 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
236 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
237 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
238 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
240 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
241 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
242 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
244 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
245 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
247 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
248 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
249 .len
= WLAN_MAX_KEY_LEN
},
250 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
251 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
252 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
253 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
254 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
256 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
257 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
258 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
259 .len
= IEEE80211_MAX_DATA_LEN
},
260 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
261 .len
= IEEE80211_MAX_DATA_LEN
},
262 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
263 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
264 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
265 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
266 .len
= NL80211_MAX_SUPP_RATES
},
267 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
268 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
269 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
270 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
271 .len
= IEEE80211_MAX_MESH_ID_LEN
},
272 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
274 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
275 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
277 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
278 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
279 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
280 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
281 .len
= NL80211_MAX_SUPP_RATES
},
282 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
284 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
285 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
287 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
289 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
290 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
291 .len
= IEEE80211_MAX_DATA_LEN
},
292 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
293 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
295 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
296 .len
= IEEE80211_MAX_SSID_LEN
},
297 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
298 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
299 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
300 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
301 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
302 [NL80211_ATTR_STA_FLAGS2
] = {
303 .len
= sizeof(struct nl80211_sta_flag_update
),
305 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
306 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
307 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
308 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
309 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
310 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
311 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
312 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
313 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
314 .len
= WLAN_PMKID_LEN
},
315 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
316 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
317 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
318 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
319 .len
= IEEE80211_MAX_DATA_LEN
},
320 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
321 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
322 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
323 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
324 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
325 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
326 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
327 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
328 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
329 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
330 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
331 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
332 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
333 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
334 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
335 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
336 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
337 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
338 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
339 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
340 .len
= IEEE80211_MAX_DATA_LEN
},
341 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
342 .len
= IEEE80211_MAX_DATA_LEN
},
343 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
344 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
345 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
346 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
347 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
348 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
349 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
350 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
351 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
352 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
353 .len
= IEEE80211_MAX_DATA_LEN
},
354 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
355 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
356 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
357 .len
= NL80211_HT_CAPABILITY_LEN
359 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
360 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
361 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
362 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
363 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
364 [NL80211_ATTR_SAE_DATA
] = { .type
= NLA_BINARY
, },
365 [NL80211_ATTR_VHT_CAPABILITY
] = { .len
= NL80211_VHT_CAPABILITY_LEN
},
366 [NL80211_ATTR_SCAN_FLAGS
] = { .type
= NLA_U32
},
367 [NL80211_ATTR_P2P_CTWINDOW
] = { .type
= NLA_U8
},
368 [NL80211_ATTR_P2P_OPPPS
] = { .type
= NLA_U8
},
369 [NL80211_ATTR_ACL_POLICY
] = {. type
= NLA_U32
},
370 [NL80211_ATTR_MAC_ADDRS
] = { .type
= NLA_NESTED
},
371 [NL80211_ATTR_STA_CAPABILITY
] = { .type
= NLA_U16
},
372 [NL80211_ATTR_STA_EXT_CAPABILITY
] = { .type
= NLA_BINARY
, },
375 /* policy for the key attributes */
376 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
377 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
378 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
379 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
380 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
381 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
382 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
383 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
384 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
387 /* policy for the key default flags */
388 static const struct nla_policy
389 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
390 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
391 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
394 /* policy for WoWLAN attributes */
395 static const struct nla_policy
396 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
397 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
398 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
399 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
400 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
401 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
402 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
403 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
404 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
405 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
408 static const struct nla_policy
409 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
410 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
411 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
412 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
413 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
414 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
415 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
416 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
417 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
419 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
420 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
422 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
423 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
424 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
427 /* policy for GTK rekey offload attributes */
428 static const struct nla_policy
429 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
430 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
431 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
432 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
435 static const struct nla_policy
436 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
437 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
438 .len
= IEEE80211_MAX_SSID_LEN
},
439 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
442 /* ifidx get helper */
443 static int nl80211_get_ifidx(struct netlink_callback
*cb
)
447 res
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
448 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
453 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
456 res
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
462 static int nl80211_prepare_netdev_dump(struct sk_buff
*skb
,
463 struct netlink_callback
*cb
,
464 struct cfg80211_registered_device
**rdev
,
465 struct net_device
**dev
)
467 int ifidx
= cb
->args
[0];
471 ifidx
= nl80211_get_ifidx(cb
);
479 *dev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
485 *rdev
= cfg80211_get_dev_from_ifindex(sock_net(skb
->sk
), ifidx
);
487 err
= PTR_ERR(*rdev
);
497 static void nl80211_finish_netdev_dump(struct cfg80211_registered_device
*rdev
)
499 cfg80211_unlock_rdev(rdev
);
504 static bool is_valid_ie_attr(const struct nlattr
*attr
)
512 pos
= nla_data(attr
);
533 /* message building helper */
534 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
537 /* since there is no private header just add the generic one */
538 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
541 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
542 struct ieee80211_channel
*chan
)
544 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
546 goto nla_put_failure
;
548 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
549 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
550 goto nla_put_failure
;
551 if ((chan
->flags
& IEEE80211_CHAN_PASSIVE_SCAN
) &&
552 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
))
553 goto nla_put_failure
;
554 if ((chan
->flags
& IEEE80211_CHAN_NO_IBSS
) &&
555 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IBSS
))
556 goto nla_put_failure
;
557 if ((chan
->flags
& IEEE80211_CHAN_RADAR
) &&
558 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
559 goto nla_put_failure
;
561 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
562 DBM_TO_MBM(chan
->max_power
)))
563 goto nla_put_failure
;
571 /* netlink command implementations */
578 bool def_uni
, def_multi
;
581 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
583 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
584 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
589 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
590 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
599 if (tb
[NL80211_KEY_IDX
])
600 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
602 if (tb
[NL80211_KEY_DATA
]) {
603 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
604 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
607 if (tb
[NL80211_KEY_SEQ
]) {
608 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
609 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
612 if (tb
[NL80211_KEY_CIPHER
])
613 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
615 if (tb
[NL80211_KEY_TYPE
]) {
616 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
617 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
621 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
622 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
623 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
624 tb
[NL80211_KEY_DEFAULT_TYPES
],
625 nl80211_key_default_policy
);
629 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
630 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
636 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
638 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
639 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
640 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
643 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
644 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
645 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
648 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
649 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
651 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
652 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
654 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
655 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
664 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
665 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
666 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
670 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
671 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
672 int err
= nla_parse_nested(
673 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
674 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
675 nl80211_key_default_policy
);
679 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
680 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
686 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
690 memset(k
, 0, sizeof(*k
));
694 if (info
->attrs
[NL80211_ATTR_KEY
])
695 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
697 err
= nl80211_parse_key_old(info
, k
);
702 if (k
->def
&& k
->defmgmt
)
706 if (k
->def_uni
|| !k
->def_multi
)
712 if (k
->idx
< 4 || k
->idx
> 5)
715 if (k
->idx
< 0 || k
->idx
> 3)
718 if (k
->idx
< 0 || k
->idx
> 5)
726 static struct cfg80211_cached_keys
*
727 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
728 struct nlattr
*keys
, bool *no_ht
)
730 struct key_parse parse
;
732 struct cfg80211_cached_keys
*result
;
733 int rem
, err
, def
= 0;
735 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
737 return ERR_PTR(-ENOMEM
);
740 result
->defmgmt
= -1;
742 nla_for_each_nested(key
, keys
, rem
) {
743 memset(&parse
, 0, sizeof(parse
));
746 err
= nl80211_parse_key_new(key
, &parse
);
752 if (parse
.idx
< 0 || parse
.idx
> 4)
758 result
->def
= parse
.idx
;
759 if (!parse
.def_uni
|| !parse
.def_multi
)
761 } else if (parse
.defmgmt
)
763 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
764 parse
.idx
, false, NULL
);
767 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
768 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
769 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
770 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
772 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
773 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
785 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
787 ASSERT_WDEV_LOCK(wdev
);
789 switch (wdev
->iftype
) {
790 case NL80211_IFTYPE_AP
:
791 case NL80211_IFTYPE_AP_VLAN
:
792 case NL80211_IFTYPE_P2P_GO
:
793 case NL80211_IFTYPE_MESH_POINT
:
795 case NL80211_IFTYPE_ADHOC
:
796 if (!wdev
->current_bss
)
799 case NL80211_IFTYPE_STATION
:
800 case NL80211_IFTYPE_P2P_CLIENT
:
801 if (wdev
->sme_state
!= CFG80211_SME_CONNECTED
)
811 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
813 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
817 goto nla_put_failure
;
821 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
822 goto nla_put_failure
;
827 nla_nest_end(msg
, nl_modes
);
834 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
837 struct nlattr
*nl_combis
;
840 nl_combis
= nla_nest_start(msg
,
841 NL80211_ATTR_INTERFACE_COMBINATIONS
);
843 goto nla_put_failure
;
845 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
846 const struct ieee80211_iface_combination
*c
;
847 struct nlattr
*nl_combi
, *nl_limits
;
849 c
= &wiphy
->iface_combinations
[i
];
851 nl_combi
= nla_nest_start(msg
, i
+ 1);
853 goto nla_put_failure
;
855 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
857 goto nla_put_failure
;
859 for (j
= 0; j
< c
->n_limits
; j
++) {
860 struct nlattr
*nl_limit
;
862 nl_limit
= nla_nest_start(msg
, j
+ 1);
864 goto nla_put_failure
;
865 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
867 goto nla_put_failure
;
868 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
870 goto nla_put_failure
;
871 nla_nest_end(msg
, nl_limit
);
874 nla_nest_end(msg
, nl_limits
);
876 if (c
->beacon_int_infra_match
&&
877 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
878 goto nla_put_failure
;
879 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
880 c
->num_different_channels
) ||
881 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
883 goto nla_put_failure
;
885 nla_nest_end(msg
, nl_combi
);
888 nla_nest_end(msg
, nl_combis
);
895 static int nl80211_send_wiphy(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
896 struct cfg80211_registered_device
*dev
)
899 struct nlattr
*nl_bands
, *nl_band
;
900 struct nlattr
*nl_freqs
, *nl_freq
;
901 struct nlattr
*nl_rates
, *nl_rate
;
902 struct nlattr
*nl_cmds
;
903 enum ieee80211_band band
;
904 struct ieee80211_channel
*chan
;
905 struct ieee80211_rate
*rate
;
907 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
908 dev
->wiphy
.mgmt_stypes
;
910 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_WIPHY
);
914 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, dev
->wiphy_idx
) ||
915 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
, wiphy_name(&dev
->wiphy
)) ||
916 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
917 cfg80211_rdev_list_generation
) ||
918 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
919 dev
->wiphy
.retry_short
) ||
920 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
921 dev
->wiphy
.retry_long
) ||
922 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
923 dev
->wiphy
.frag_threshold
) ||
924 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
925 dev
->wiphy
.rts_threshold
) ||
926 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
927 dev
->wiphy
.coverage_class
) ||
928 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
929 dev
->wiphy
.max_scan_ssids
) ||
930 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
931 dev
->wiphy
.max_sched_scan_ssids
) ||
932 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
933 dev
->wiphy
.max_scan_ie_len
) ||
934 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
935 dev
->wiphy
.max_sched_scan_ie_len
) ||
936 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
937 dev
->wiphy
.max_match_sets
))
938 goto nla_put_failure
;
940 if ((dev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
941 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
942 goto nla_put_failure
;
943 if ((dev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
944 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
945 goto nla_put_failure
;
946 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
947 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
948 goto nla_put_failure
;
949 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
950 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
951 goto nla_put_failure
;
952 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
953 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
954 goto nla_put_failure
;
955 if ((dev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
956 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
957 goto nla_put_failure
;
959 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
960 sizeof(u32
) * dev
->wiphy
.n_cipher_suites
,
961 dev
->wiphy
.cipher_suites
))
962 goto nla_put_failure
;
964 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
965 dev
->wiphy
.max_num_pmkids
))
966 goto nla_put_failure
;
968 if ((dev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
969 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
970 goto nla_put_failure
;
972 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
973 dev
->wiphy
.available_antennas_tx
) ||
974 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
975 dev
->wiphy
.available_antennas_rx
))
976 goto nla_put_failure
;
978 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
979 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
980 dev
->wiphy
.probe_resp_offload
))
981 goto nla_put_failure
;
983 if ((dev
->wiphy
.available_antennas_tx
||
984 dev
->wiphy
.available_antennas_rx
) && dev
->ops
->get_antenna
) {
985 u32 tx_ant
= 0, rx_ant
= 0;
987 res
= rdev_get_antenna(dev
, &tx_ant
, &rx_ant
);
989 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_TX
,
991 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_RX
,
993 goto nla_put_failure
;
997 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
998 dev
->wiphy
.interface_modes
))
999 goto nla_put_failure
;
1001 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1003 goto nla_put_failure
;
1005 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
1006 if (!dev
->wiphy
.bands
[band
])
1009 nl_band
= nla_nest_start(msg
, band
);
1011 goto nla_put_failure
;
1014 if (dev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
&&
1015 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1016 sizeof(dev
->wiphy
.bands
[band
]->ht_cap
.mcs
),
1017 &dev
->wiphy
.bands
[band
]->ht_cap
.mcs
) ||
1018 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1019 dev
->wiphy
.bands
[band
]->ht_cap
.cap
) ||
1020 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1021 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_factor
) ||
1022 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1023 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_density
)))
1024 goto nla_put_failure
;
1027 if (dev
->wiphy
.bands
[band
]->vht_cap
.vht_supported
&&
1028 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1029 sizeof(dev
->wiphy
.bands
[band
]->vht_cap
.vht_mcs
),
1030 &dev
->wiphy
.bands
[band
]->vht_cap
.vht_mcs
) ||
1031 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1032 dev
->wiphy
.bands
[band
]->vht_cap
.cap
)))
1033 goto nla_put_failure
;
1035 /* add frequencies */
1036 nl_freqs
= nla_nest_start(msg
, NL80211_BAND_ATTR_FREQS
);
1038 goto nla_put_failure
;
1040 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_channels
; i
++) {
1041 nl_freq
= nla_nest_start(msg
, i
);
1043 goto nla_put_failure
;
1045 chan
= &dev
->wiphy
.bands
[band
]->channels
[i
];
1047 if (nl80211_msg_put_channel(msg
, chan
))
1048 goto nla_put_failure
;
1050 nla_nest_end(msg
, nl_freq
);
1053 nla_nest_end(msg
, nl_freqs
);
1056 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1058 goto nla_put_failure
;
1060 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_bitrates
; i
++) {
1061 nl_rate
= nla_nest_start(msg
, i
);
1063 goto nla_put_failure
;
1065 rate
= &dev
->wiphy
.bands
[band
]->bitrates
[i
];
1066 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1068 goto nla_put_failure
;
1069 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1071 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1072 goto nla_put_failure
;
1074 nla_nest_end(msg
, nl_rate
);
1077 nla_nest_end(msg
, nl_rates
);
1079 nla_nest_end(msg
, nl_band
);
1081 nla_nest_end(msg
, nl_bands
);
1083 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1085 goto nla_put_failure
;
1088 #define CMD(op, n) \
1090 if (dev->ops->op) { \
1092 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1093 goto nla_put_failure; \
1097 CMD(add_virtual_intf
, NEW_INTERFACE
);
1098 CMD(change_virtual_intf
, SET_INTERFACE
);
1099 CMD(add_key
, NEW_KEY
);
1100 CMD(start_ap
, START_AP
);
1101 CMD(add_station
, NEW_STATION
);
1102 CMD(add_mpath
, NEW_MPATH
);
1103 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1104 CMD(change_bss
, SET_BSS
);
1105 CMD(auth
, AUTHENTICATE
);
1106 CMD(assoc
, ASSOCIATE
);
1107 CMD(deauth
, DEAUTHENTICATE
);
1108 CMD(disassoc
, DISASSOCIATE
);
1109 CMD(join_ibss
, JOIN_IBSS
);
1110 CMD(join_mesh
, JOIN_MESH
);
1111 CMD(set_pmksa
, SET_PMKSA
);
1112 CMD(del_pmksa
, DEL_PMKSA
);
1113 CMD(flush_pmksa
, FLUSH_PMKSA
);
1114 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1115 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1116 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1117 CMD(mgmt_tx
, FRAME
);
1118 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1119 if (dev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1121 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1122 goto nla_put_failure
;
1124 if (dev
->ops
->set_monitor_channel
|| dev
->ops
->start_ap
||
1125 dev
->ops
->join_mesh
) {
1127 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1128 goto nla_put_failure
;
1130 CMD(set_wds_peer
, SET_WDS_PEER
);
1131 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1132 CMD(tdls_mgmt
, TDLS_MGMT
);
1133 CMD(tdls_oper
, TDLS_OPER
);
1135 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1136 CMD(sched_scan_start
, START_SCHED_SCAN
);
1137 CMD(probe_client
, PROBE_CLIENT
);
1138 CMD(set_noack_map
, SET_NOACK_MAP
);
1139 if (dev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1141 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1142 goto nla_put_failure
;
1144 CMD(start_p2p_device
, START_P2P_DEVICE
);
1145 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1147 #ifdef CONFIG_NL80211_TESTMODE
1148 CMD(testmode_cmd
, TESTMODE
);
1153 if (dev
->ops
->connect
|| dev
->ops
->auth
) {
1155 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1156 goto nla_put_failure
;
1159 if (dev
->ops
->disconnect
|| dev
->ops
->deauth
) {
1161 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1162 goto nla_put_failure
;
1165 nla_nest_end(msg
, nl_cmds
);
1167 if (dev
->ops
->remain_on_channel
&&
1168 (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1169 nla_put_u32(msg
, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1170 dev
->wiphy
.max_remain_on_channel_duration
))
1171 goto nla_put_failure
;
1173 if ((dev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1174 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1175 goto nla_put_failure
;
1179 struct nlattr
*nl_ftypes
, *nl_ifs
;
1180 enum nl80211_iftype ift
;
1182 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1184 goto nla_put_failure
;
1186 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1187 nl_ftypes
= nla_nest_start(msg
, ift
);
1189 goto nla_put_failure
;
1191 stypes
= mgmt_stypes
[ift
].tx
;
1194 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1195 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1196 goto nla_put_failure
;
1200 nla_nest_end(msg
, nl_ftypes
);
1203 nla_nest_end(msg
, nl_ifs
);
1205 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1207 goto nla_put_failure
;
1209 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1210 nl_ftypes
= nla_nest_start(msg
, ift
);
1212 goto nla_put_failure
;
1214 stypes
= mgmt_stypes
[ift
].rx
;
1217 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1218 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1219 goto nla_put_failure
;
1223 nla_nest_end(msg
, nl_ftypes
);
1225 nla_nest_end(msg
, nl_ifs
);
1229 if (dev
->wiphy
.wowlan
.flags
|| dev
->wiphy
.wowlan
.n_patterns
) {
1230 struct nlattr
*nl_wowlan
;
1232 nl_wowlan
= nla_nest_start(msg
,
1233 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1235 goto nla_put_failure
;
1237 if (((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_ANY
) &&
1238 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1239 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1240 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1241 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1242 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1243 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1244 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1245 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1246 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1247 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1248 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1249 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1250 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1251 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1252 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1253 goto nla_put_failure
;
1254 if (dev
->wiphy
.wowlan
.n_patterns
) {
1255 struct nl80211_wowlan_pattern_support pat
= {
1256 .max_patterns
= dev
->wiphy
.wowlan
.n_patterns
,
1258 dev
->wiphy
.wowlan
.pattern_min_len
,
1260 dev
->wiphy
.wowlan
.pattern_max_len
,
1262 dev
->wiphy
.wowlan
.max_pkt_offset
,
1264 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1266 goto nla_put_failure
;
1269 nla_nest_end(msg
, nl_wowlan
);
1273 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1274 dev
->wiphy
.software_iftypes
))
1275 goto nla_put_failure
;
1277 if (nl80211_put_iface_combinations(&dev
->wiphy
, msg
))
1278 goto nla_put_failure
;
1280 if ((dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1281 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1282 dev
->wiphy
.ap_sme_capa
))
1283 goto nla_put_failure
;
1285 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
,
1286 dev
->wiphy
.features
))
1287 goto nla_put_failure
;
1289 if (dev
->wiphy
.ht_capa_mod_mask
&&
1290 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1291 sizeof(*dev
->wiphy
.ht_capa_mod_mask
),
1292 dev
->wiphy
.ht_capa_mod_mask
))
1293 goto nla_put_failure
;
1295 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1296 dev
->wiphy
.max_acl_mac_addrs
&&
1297 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1298 dev
->wiphy
.max_acl_mac_addrs
))
1299 goto nla_put_failure
;
1301 return genlmsg_end(msg
, hdr
);
1304 genlmsg_cancel(msg
, hdr
);
1308 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1311 int start
= cb
->args
[0];
1312 struct cfg80211_registered_device
*dev
;
1314 mutex_lock(&cfg80211_mutex
);
1315 list_for_each_entry(dev
, &cfg80211_rdev_list
, list
) {
1316 if (!net_eq(wiphy_net(&dev
->wiphy
), sock_net(skb
->sk
)))
1320 ret
= nl80211_send_wiphy(skb
, NETLINK_CB(cb
->skb
).portid
,
1321 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1325 * If sending the wiphy data didn't fit (ENOBUFS or
1326 * EMSGSIZE returned), this SKB is still empty (so
1327 * it's not too big because another wiphy dataset is
1328 * already in the skb) and we've not tried to adjust
1329 * the dump allocation yet ... then adjust the alloc
1330 * size to be bigger, and return 1 but with the empty
1331 * skb. This results in an empty message being RX'ed
1332 * in userspace, but that is ignored.
1334 * We can then retry with the larger buffer.
1336 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1338 cb
->min_dump_alloc
< 4096) {
1339 cb
->min_dump_alloc
= 4096;
1340 mutex_unlock(&cfg80211_mutex
);
1347 mutex_unlock(&cfg80211_mutex
);
1354 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1356 struct sk_buff
*msg
;
1357 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1359 msg
= nlmsg_new(4096, GFP_KERNEL
);
1363 if (nl80211_send_wiphy(msg
, info
->snd_portid
, info
->snd_seq
, 0, dev
) < 0) {
1368 return genlmsg_reply(msg
, info
);
1371 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1372 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1373 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1374 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1375 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1376 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1379 static int parse_txq_params(struct nlattr
*tb
[],
1380 struct ieee80211_txq_params
*txq_params
)
1382 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1383 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1384 !tb
[NL80211_TXQ_ATTR_AIFS
])
1387 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1388 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1389 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1390 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1391 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1393 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1399 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1402 * You can only set the channel explicitly for WDS interfaces,
1403 * all others have their channel managed via their respective
1404 * "establish a connection" command (connect, join, ...)
1406 * For AP/GO and mesh mode, the channel can be set with the
1407 * channel userspace API, but is only stored and passed to the
1408 * low-level driver when the AP starts or the mesh is joined.
1409 * This is for backward compatibility, userspace can also give
1410 * the channel in the start-ap or join-mesh commands instead.
1412 * Monitors are special as they are normally slaved to
1413 * whatever else is going on, so they have their own special
1414 * operation to set the monitor channel if possible.
1417 wdev
->iftype
== NL80211_IFTYPE_AP
||
1418 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1419 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1420 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1423 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1424 struct genl_info
*info
,
1425 struct cfg80211_chan_def
*chandef
)
1429 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1432 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1434 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1435 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1436 chandef
->center_freq1
= control_freq
;
1437 chandef
->center_freq2
= 0;
1439 /* Primary channel not allowed */
1440 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1443 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1444 enum nl80211_channel_type chantype
;
1446 chantype
= nla_get_u32(
1447 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1450 case NL80211_CHAN_NO_HT
:
1451 case NL80211_CHAN_HT20
:
1452 case NL80211_CHAN_HT40PLUS
:
1453 case NL80211_CHAN_HT40MINUS
:
1454 cfg80211_chandef_create(chandef
, chandef
->chan
,
1460 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
1462 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
1463 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
1464 chandef
->center_freq1
=
1466 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
1467 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
1468 chandef
->center_freq2
=
1470 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
1473 if (!cfg80211_chandef_valid(chandef
))
1476 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
1477 IEEE80211_CHAN_DISABLED
))
1483 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1484 struct wireless_dev
*wdev
,
1485 struct genl_info
*info
)
1487 struct cfg80211_chan_def chandef
;
1489 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1492 iftype
= wdev
->iftype
;
1494 if (!nl80211_can_set_dev_channel(wdev
))
1497 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
1501 mutex_lock(&rdev
->devlist_mtx
);
1503 case NL80211_IFTYPE_AP
:
1504 case NL80211_IFTYPE_P2P_GO
:
1505 if (wdev
->beacon_interval
) {
1509 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
)) {
1513 wdev
->preset_chandef
= chandef
;
1516 case NL80211_IFTYPE_MESH_POINT
:
1517 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
1519 case NL80211_IFTYPE_MONITOR
:
1520 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
1525 mutex_unlock(&rdev
->devlist_mtx
);
1530 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
1532 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1533 struct net_device
*netdev
= info
->user_ptr
[1];
1535 return __nl80211_set_channel(rdev
, netdev
->ieee80211_ptr
, info
);
1538 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
1540 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1541 struct net_device
*dev
= info
->user_ptr
[1];
1542 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1545 if (!info
->attrs
[NL80211_ATTR_MAC
])
1548 if (netif_running(dev
))
1551 if (!rdev
->ops
->set_wds_peer
)
1554 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
1557 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1558 return rdev_set_wds_peer(rdev
, dev
, bssid
);
1562 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1564 struct cfg80211_registered_device
*rdev
;
1565 struct net_device
*netdev
= NULL
;
1566 struct wireless_dev
*wdev
;
1567 int result
= 0, rem_txq_params
= 0;
1568 struct nlattr
*nl_txq_params
;
1570 u8 retry_short
= 0, retry_long
= 0;
1571 u32 frag_threshold
= 0, rts_threshold
= 0;
1572 u8 coverage_class
= 0;
1575 * Try to find the wiphy and netdev. Normally this
1576 * function shouldn't need the netdev, but this is
1577 * done for backward compatibility -- previously
1578 * setting the channel was done per wiphy, but now
1579 * it is per netdev. Previous userland like hostapd
1580 * also passed a netdev to set_wiphy, so that it is
1581 * possible to let that go to the right netdev!
1583 mutex_lock(&cfg80211_mutex
);
1585 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
1586 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
1588 netdev
= dev_get_by_index(genl_info_net(info
), ifindex
);
1589 if (netdev
&& netdev
->ieee80211_ptr
) {
1590 rdev
= wiphy_to_dev(netdev
->ieee80211_ptr
->wiphy
);
1591 mutex_lock(&rdev
->mtx
);
1597 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
1600 mutex_unlock(&cfg80211_mutex
);
1601 return PTR_ERR(rdev
);
1607 mutex_lock(&rdev
->mtx
);
1609 wdev
= netdev
->ieee80211_ptr
;
1612 * end workaround code, by now the rdev is available
1613 * and locked, and wdev may or may not be NULL.
1616 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
1617 result
= cfg80211_dev_rename(
1618 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
1620 mutex_unlock(&cfg80211_mutex
);
1625 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
1626 struct ieee80211_txq_params txq_params
;
1627 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
1629 if (!rdev
->ops
->set_txq_params
) {
1630 result
= -EOPNOTSUPP
;
1639 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
1640 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
1645 if (!netif_running(netdev
)) {
1650 nla_for_each_nested(nl_txq_params
,
1651 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
1653 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
1654 nla_data(nl_txq_params
),
1655 nla_len(nl_txq_params
),
1657 result
= parse_txq_params(tb
, &txq_params
);
1661 result
= rdev_set_txq_params(rdev
, netdev
,
1668 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
1669 result
= __nl80211_set_channel(rdev
,
1670 nl80211_can_set_dev_channel(wdev
) ? wdev
: NULL
,
1676 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
1677 struct wireless_dev
*txp_wdev
= wdev
;
1678 enum nl80211_tx_power_setting type
;
1681 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
1684 if (!rdev
->ops
->set_tx_power
) {
1685 result
= -EOPNOTSUPP
;
1689 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
1690 type
= nla_get_u32(info
->attrs
[idx
]);
1692 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
1693 (type
!= NL80211_TX_POWER_AUTOMATIC
)) {
1698 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
1699 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
1700 mbm
= nla_get_u32(info
->attrs
[idx
]);
1703 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
1708 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
1709 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
1711 if ((!rdev
->wiphy
.available_antennas_tx
&&
1712 !rdev
->wiphy
.available_antennas_rx
) ||
1713 !rdev
->ops
->set_antenna
) {
1714 result
= -EOPNOTSUPP
;
1718 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
1719 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
1721 /* reject antenna configurations which don't match the
1722 * available antenna masks, except for the "all" mask */
1723 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
1724 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
))) {
1729 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
1730 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
1732 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
1739 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
1740 retry_short
= nla_get_u8(
1741 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
1742 if (retry_short
== 0) {
1746 changed
|= WIPHY_PARAM_RETRY_SHORT
;
1749 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
1750 retry_long
= nla_get_u8(
1751 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
1752 if (retry_long
== 0) {
1756 changed
|= WIPHY_PARAM_RETRY_LONG
;
1759 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
1760 frag_threshold
= nla_get_u32(
1761 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
1762 if (frag_threshold
< 256) {
1766 if (frag_threshold
!= (u32
) -1) {
1768 * Fragments (apart from the last one) are required to
1769 * have even length. Make the fragmentation code
1770 * simpler by stripping LSB should someone try to use
1771 * odd threshold value.
1773 frag_threshold
&= ~0x1;
1775 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
1778 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
1779 rts_threshold
= nla_get_u32(
1780 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
1781 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
1784 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
1785 coverage_class
= nla_get_u8(
1786 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
1787 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
1791 u8 old_retry_short
, old_retry_long
;
1792 u32 old_frag_threshold
, old_rts_threshold
;
1793 u8 old_coverage_class
;
1795 if (!rdev
->ops
->set_wiphy_params
) {
1796 result
= -EOPNOTSUPP
;
1800 old_retry_short
= rdev
->wiphy
.retry_short
;
1801 old_retry_long
= rdev
->wiphy
.retry_long
;
1802 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
1803 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
1804 old_coverage_class
= rdev
->wiphy
.coverage_class
;
1806 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1807 rdev
->wiphy
.retry_short
= retry_short
;
1808 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1809 rdev
->wiphy
.retry_long
= retry_long
;
1810 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
1811 rdev
->wiphy
.frag_threshold
= frag_threshold
;
1812 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
1813 rdev
->wiphy
.rts_threshold
= rts_threshold
;
1814 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
1815 rdev
->wiphy
.coverage_class
= coverage_class
;
1817 result
= rdev_set_wiphy_params(rdev
, changed
);
1819 rdev
->wiphy
.retry_short
= old_retry_short
;
1820 rdev
->wiphy
.retry_long
= old_retry_long
;
1821 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
1822 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
1823 rdev
->wiphy
.coverage_class
= old_coverage_class
;
1828 mutex_unlock(&rdev
->mtx
);
1834 static inline u64
wdev_id(struct wireless_dev
*wdev
)
1836 return (u64
)wdev
->identifier
|
1837 ((u64
)wiphy_to_dev(wdev
->wiphy
)->wiphy_idx
<< 32);
1840 static int nl80211_send_chandef(struct sk_buff
*msg
,
1841 struct cfg80211_chan_def
*chandef
)
1843 WARN_ON(!cfg80211_chandef_valid(chandef
));
1845 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
1846 chandef
->chan
->center_freq
))
1848 switch (chandef
->width
) {
1849 case NL80211_CHAN_WIDTH_20_NOHT
:
1850 case NL80211_CHAN_WIDTH_20
:
1851 case NL80211_CHAN_WIDTH_40
:
1852 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
1853 cfg80211_get_chandef_type(chandef
)))
1859 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
1861 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
1863 if (chandef
->center_freq2
&&
1864 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
1869 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
1870 struct cfg80211_registered_device
*rdev
,
1871 struct wireless_dev
*wdev
)
1873 struct net_device
*dev
= wdev
->netdev
;
1876 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
1881 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
1882 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
1883 goto nla_put_failure
;
1885 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1886 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
1887 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
1888 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
1889 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1890 rdev
->devlist_generation
^
1891 (cfg80211_rdev_list_generation
<< 2)))
1892 goto nla_put_failure
;
1894 if (rdev
->ops
->get_channel
) {
1896 struct cfg80211_chan_def chandef
;
1898 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
1900 if (nl80211_send_chandef(msg
, &chandef
))
1901 goto nla_put_failure
;
1905 if (wdev
->ssid_len
) {
1906 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
1907 goto nla_put_failure
;
1910 return genlmsg_end(msg
, hdr
);
1913 genlmsg_cancel(msg
, hdr
);
1917 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1921 int wp_start
= cb
->args
[0];
1922 int if_start
= cb
->args
[1];
1923 struct cfg80211_registered_device
*rdev
;
1924 struct wireless_dev
*wdev
;
1926 mutex_lock(&cfg80211_mutex
);
1927 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1928 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1930 if (wp_idx
< wp_start
) {
1936 mutex_lock(&rdev
->devlist_mtx
);
1937 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
1938 if (if_idx
< if_start
) {
1942 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
1943 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1945 mutex_unlock(&rdev
->devlist_mtx
);
1950 mutex_unlock(&rdev
->devlist_mtx
);
1955 mutex_unlock(&cfg80211_mutex
);
1957 cb
->args
[0] = wp_idx
;
1958 cb
->args
[1] = if_idx
;
1963 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1965 struct sk_buff
*msg
;
1966 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1967 struct wireless_dev
*wdev
= info
->user_ptr
[1];
1969 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1973 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
1979 return genlmsg_reply(msg
, info
);
1982 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
1983 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
1984 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
1985 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
1986 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
1987 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
1990 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
1992 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2000 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2001 nla
, mntr_flags_policy
))
2004 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2006 *mntrflags
|= (1<<flag
);
2011 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2012 struct net_device
*netdev
, u8 use_4addr
,
2013 enum nl80211_iftype iftype
)
2016 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2022 case NL80211_IFTYPE_AP_VLAN
:
2023 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2026 case NL80211_IFTYPE_STATION
:
2027 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2037 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2039 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2040 struct vif_params params
;
2042 enum nl80211_iftype otype
, ntype
;
2043 struct net_device
*dev
= info
->user_ptr
[1];
2044 u32 _flags
, *flags
= NULL
;
2045 bool change
= false;
2047 memset(¶ms
, 0, sizeof(params
));
2049 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2051 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2052 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2055 if (ntype
> NL80211_IFTYPE_MAX
)
2059 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2060 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2062 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2064 if (netif_running(dev
))
2068 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2069 IEEE80211_MAX_MESH_ID_LEN
);
2070 wdev
->mesh_id_up_len
=
2071 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2072 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2073 wdev
->mesh_id_up_len
);
2077 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2078 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2080 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2084 params
.use_4addr
= -1;
2087 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2088 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2090 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2100 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2104 if (!err
&& params
.use_4addr
!= -1)
2105 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2110 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2112 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2113 struct vif_params params
;
2114 struct wireless_dev
*wdev
;
2115 struct sk_buff
*msg
;
2117 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2120 memset(¶ms
, 0, sizeof(params
));
2122 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2125 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2126 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2127 if (type
> NL80211_IFTYPE_MAX
)
2131 if (!rdev
->ops
->add_virtual_intf
||
2132 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2135 if (type
== NL80211_IFTYPE_P2P_DEVICE
&& info
->attrs
[NL80211_ATTR_MAC
]) {
2136 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2138 if (!is_valid_ether_addr(params
.macaddr
))
2139 return -EADDRNOTAVAIL
;
2142 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2143 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2144 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2149 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2153 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2154 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2156 wdev
= rdev_add_virtual_intf(rdev
,
2157 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2158 type
, err
? NULL
: &flags
, ¶ms
);
2161 return PTR_ERR(wdev
);
2165 case NL80211_IFTYPE_MESH_POINT
:
2166 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2169 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2170 IEEE80211_MAX_MESH_ID_LEN
);
2171 wdev
->mesh_id_up_len
=
2172 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2173 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2174 wdev
->mesh_id_up_len
);
2177 case NL80211_IFTYPE_P2P_DEVICE
:
2179 * P2P Device doesn't have a netdev, so doesn't go
2180 * through the netdev notifier and must be added here
2182 mutex_init(&wdev
->mtx
);
2183 INIT_LIST_HEAD(&wdev
->event_list
);
2184 spin_lock_init(&wdev
->event_lock
);
2185 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2186 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2188 mutex_lock(&rdev
->devlist_mtx
);
2189 wdev
->identifier
= ++rdev
->wdev_id
;
2190 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2191 rdev
->devlist_generation
++;
2192 mutex_unlock(&rdev
->devlist_mtx
);
2198 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2204 return genlmsg_reply(msg
, info
);
2207 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2209 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2210 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2212 if (!rdev
->ops
->del_virtual_intf
)
2216 * If we remove a wireless device without a netdev then clear
2217 * user_ptr[1] so that nl80211_post_doit won't dereference it
2218 * to check if it needs to do dev_put(). Otherwise it crashes
2219 * since the wdev has been freed, unlike with a netdev where
2220 * we need the dev_put() for the netdev to really be freed.
2223 info
->user_ptr
[1] = NULL
;
2225 return rdev_del_virtual_intf(rdev
, wdev
);
2228 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2230 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2231 struct net_device
*dev
= info
->user_ptr
[1];
2234 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2237 if (!rdev
->ops
->set_noack_map
)
2240 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2242 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2245 struct get_key_cookie
{
2246 struct sk_buff
*msg
;
2251 static void get_key_callback(void *c
, struct key_params
*params
)
2254 struct get_key_cookie
*cookie
= c
;
2257 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2258 params
->key_len
, params
->key
)) ||
2260 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2261 params
->seq_len
, params
->seq
)) ||
2263 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2265 goto nla_put_failure
;
2267 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2269 goto nla_put_failure
;
2272 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2273 params
->key_len
, params
->key
)) ||
2275 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2276 params
->seq_len
, params
->seq
)) ||
2278 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2280 goto nla_put_failure
;
2282 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2283 goto nla_put_failure
;
2285 nla_nest_end(cookie
->msg
, key
);
2292 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2294 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2296 struct net_device
*dev
= info
->user_ptr
[1];
2298 const u8
*mac_addr
= NULL
;
2300 struct get_key_cookie cookie
= {
2304 struct sk_buff
*msg
;
2306 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2307 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2312 if (info
->attrs
[NL80211_ATTR_MAC
])
2313 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2315 pairwise
= !!mac_addr
;
2316 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2317 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2318 if (kt
>= NUM_NL80211_KEYTYPES
)
2320 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2321 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2323 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2326 if (!rdev
->ops
->get_key
)
2329 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2333 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2334 NL80211_CMD_NEW_KEY
);
2336 return PTR_ERR(hdr
);
2339 cookie
.idx
= key_idx
;
2341 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2342 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2343 goto nla_put_failure
;
2345 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2346 goto nla_put_failure
;
2348 if (pairwise
&& mac_addr
&&
2349 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2352 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2359 goto nla_put_failure
;
2361 genlmsg_end(msg
, hdr
);
2362 return genlmsg_reply(msg
, info
);
2371 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2373 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2374 struct key_parse key
;
2376 struct net_device
*dev
= info
->user_ptr
[1];
2378 err
= nl80211_parse_key(info
, &key
);
2385 /* only support setting default key */
2386 if (!key
.def
&& !key
.defmgmt
)
2389 wdev_lock(dev
->ieee80211_ptr
);
2392 if (!rdev
->ops
->set_default_key
) {
2397 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2401 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2402 key
.def_uni
, key
.def_multi
);
2407 #ifdef CONFIG_CFG80211_WEXT
2408 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2411 if (key
.def_uni
|| !key
.def_multi
) {
2416 if (!rdev
->ops
->set_default_mgmt_key
) {
2421 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2425 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2429 #ifdef CONFIG_CFG80211_WEXT
2430 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2435 wdev_unlock(dev
->ieee80211_ptr
);
2440 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2442 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2444 struct net_device
*dev
= info
->user_ptr
[1];
2445 struct key_parse key
;
2446 const u8
*mac_addr
= NULL
;
2448 err
= nl80211_parse_key(info
, &key
);
2455 if (info
->attrs
[NL80211_ATTR_MAC
])
2456 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2458 if (key
.type
== -1) {
2460 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2462 key
.type
= NL80211_KEYTYPE_GROUP
;
2466 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2467 key
.type
!= NL80211_KEYTYPE_GROUP
)
2470 if (!rdev
->ops
->add_key
)
2473 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
2474 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2478 wdev_lock(dev
->ieee80211_ptr
);
2479 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2481 err
= rdev_add_key(rdev
, dev
, key
.idx
,
2482 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2484 wdev_unlock(dev
->ieee80211_ptr
);
2489 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
2491 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2493 struct net_device
*dev
= info
->user_ptr
[1];
2494 u8
*mac_addr
= NULL
;
2495 struct key_parse key
;
2497 err
= nl80211_parse_key(info
, &key
);
2501 if (info
->attrs
[NL80211_ATTR_MAC
])
2502 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2504 if (key
.type
== -1) {
2506 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2508 key
.type
= NL80211_KEYTYPE_GROUP
;
2512 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2513 key
.type
!= NL80211_KEYTYPE_GROUP
)
2516 if (!rdev
->ops
->del_key
)
2519 wdev_lock(dev
->ieee80211_ptr
);
2520 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2522 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
2523 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2527 err
= rdev_del_key(rdev
, dev
, key
.idx
,
2528 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2531 #ifdef CONFIG_CFG80211_WEXT
2533 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
2534 dev
->ieee80211_ptr
->wext
.default_key
= -1;
2535 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
2536 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
2539 wdev_unlock(dev
->ieee80211_ptr
);
2544 /* This function returns an error or the number of nested attributes */
2545 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
2547 struct nlattr
*attr
;
2548 int n_entries
= 0, tmp
;
2550 nla_for_each_nested(attr
, nl_attr
, tmp
) {
2551 if (nla_len(attr
) != ETH_ALEN
)
2561 * This function parses ACL information and allocates memory for ACL data.
2562 * On successful return, the calling function is responsible to free the
2563 * ACL buffer returned by this function.
2565 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
2566 struct genl_info
*info
)
2568 enum nl80211_acl_policy acl_policy
;
2569 struct nlattr
*attr
;
2570 struct cfg80211_acl_data
*acl
;
2571 int i
= 0, n_entries
, tmp
;
2573 if (!wiphy
->max_acl_mac_addrs
)
2574 return ERR_PTR(-EOPNOTSUPP
);
2576 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
2577 return ERR_PTR(-EINVAL
);
2579 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
2580 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
2581 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
2582 return ERR_PTR(-EINVAL
);
2584 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
2585 return ERR_PTR(-EINVAL
);
2587 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
2589 return ERR_PTR(n_entries
);
2591 if (n_entries
> wiphy
->max_acl_mac_addrs
)
2592 return ERR_PTR(-ENOTSUPP
);
2594 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
2597 return ERR_PTR(-ENOMEM
);
2599 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
2600 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
2604 acl
->n_acl_entries
= n_entries
;
2605 acl
->acl_policy
= acl_policy
;
2610 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
2612 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2613 struct net_device
*dev
= info
->user_ptr
[1];
2614 struct cfg80211_acl_data
*acl
;
2617 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2618 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2621 if (!dev
->ieee80211_ptr
->beacon_interval
)
2624 acl
= parse_acl_data(&rdev
->wiphy
, info
);
2626 return PTR_ERR(acl
);
2628 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
2635 static int nl80211_parse_beacon(struct genl_info
*info
,
2636 struct cfg80211_beacon_data
*bcn
)
2638 bool haveinfo
= false;
2640 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
2641 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]) ||
2642 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
2643 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
2646 memset(bcn
, 0, sizeof(*bcn
));
2648 if (info
->attrs
[NL80211_ATTR_BEACON_HEAD
]) {
2649 bcn
->head
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
2650 bcn
->head_len
= nla_len(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
2656 if (info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) {
2657 bcn
->tail
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
2659 nla_len(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
2666 if (info
->attrs
[NL80211_ATTR_IE
]) {
2667 bcn
->beacon_ies
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
2668 bcn
->beacon_ies_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
2671 if (info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
2672 bcn
->proberesp_ies
=
2673 nla_data(info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
2674 bcn
->proberesp_ies_len
=
2675 nla_len(info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
2678 if (info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
2679 bcn
->assocresp_ies
=
2680 nla_data(info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
2681 bcn
->assocresp_ies_len
=
2682 nla_len(info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
2685 if (info
->attrs
[NL80211_ATTR_PROBE_RESP
]) {
2687 nla_data(info
->attrs
[NL80211_ATTR_PROBE_RESP
]);
2688 bcn
->probe_resp_len
=
2689 nla_len(info
->attrs
[NL80211_ATTR_PROBE_RESP
]);
2695 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
2696 struct cfg80211_ap_settings
*params
)
2698 struct wireless_dev
*wdev
;
2701 mutex_lock(&rdev
->devlist_mtx
);
2703 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2704 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
2705 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2708 if (!wdev
->preset_chandef
.chan
)
2711 params
->chandef
= wdev
->preset_chandef
;
2716 mutex_unlock(&rdev
->devlist_mtx
);
2721 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
2722 enum nl80211_auth_type auth_type
,
2723 enum nl80211_commands cmd
)
2725 if (auth_type
> NL80211_AUTHTYPE_MAX
)
2729 case NL80211_CMD_AUTHENTICATE
:
2730 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
2731 auth_type
== NL80211_AUTHTYPE_SAE
)
2734 case NL80211_CMD_CONNECT
:
2735 case NL80211_CMD_START_AP
:
2736 /* SAE not supported yet */
2737 if (auth_type
== NL80211_AUTHTYPE_SAE
)
2745 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
2747 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2748 struct net_device
*dev
= info
->user_ptr
[1];
2749 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2750 struct cfg80211_ap_settings params
;
2752 u8 radar_detect_width
= 0;
2754 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2755 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2758 if (!rdev
->ops
->start_ap
)
2761 if (wdev
->beacon_interval
)
2764 memset(¶ms
, 0, sizeof(params
));
2766 /* these are required for START_AP */
2767 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
2768 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
2769 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
2772 err
= nl80211_parse_beacon(info
, ¶ms
.beacon
);
2776 params
.beacon_interval
=
2777 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
2778 params
.dtim_period
=
2779 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
2781 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
2786 * In theory, some of these attributes should be required here
2787 * but since they were not used when the command was originally
2788 * added, keep them optional for old user space programs to let
2789 * them continue to work with drivers that do not need the
2790 * additional information -- drivers must check!
2792 if (info
->attrs
[NL80211_ATTR_SSID
]) {
2793 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
2795 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
2796 if (params
.ssid_len
== 0 ||
2797 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
2801 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
2802 params
.hidden_ssid
= nla_get_u32(
2803 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
2804 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
2805 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
2806 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
2810 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
2812 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
2813 params
.auth_type
= nla_get_u32(
2814 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
2815 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
2816 NL80211_CMD_START_AP
))
2819 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
2821 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
2822 NL80211_MAX_NR_CIPHER_SUITES
);
2826 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
2827 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
2829 params
.inactivity_timeout
= nla_get_u16(
2830 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
2833 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
2834 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2836 params
.p2p_ctwindow
=
2837 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
2838 if (params
.p2p_ctwindow
> 127)
2840 if (params
.p2p_ctwindow
!= 0 &&
2841 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
2845 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
2848 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2850 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
2853 params
.p2p_opp_ps
= tmp
;
2854 if (params
.p2p_opp_ps
!= 0 &&
2855 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
2859 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2860 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
2863 } else if (wdev
->preset_chandef
.chan
) {
2864 params
.chandef
= wdev
->preset_chandef
;
2865 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
2868 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
))
2871 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, ¶ms
.chandef
);
2875 radar_detect_width
= BIT(params
.chandef
.width
);
2876 params
.radar_required
= true;
2879 mutex_lock(&rdev
->devlist_mtx
);
2880 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
2881 params
.chandef
.chan
,
2883 radar_detect_width
);
2884 mutex_unlock(&rdev
->devlist_mtx
);
2889 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
2890 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
2891 if (IS_ERR(params
.acl
))
2892 return PTR_ERR(params
.acl
);
2895 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
2897 wdev
->preset_chandef
= params
.chandef
;
2898 wdev
->beacon_interval
= params
.beacon_interval
;
2899 wdev
->channel
= params
.chandef
.chan
;
2900 wdev
->ssid_len
= params
.ssid_len
;
2901 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
2909 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
2911 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2912 struct net_device
*dev
= info
->user_ptr
[1];
2913 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2914 struct cfg80211_beacon_data params
;
2917 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2918 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2921 if (!rdev
->ops
->change_beacon
)
2924 if (!wdev
->beacon_interval
)
2927 err
= nl80211_parse_beacon(info
, ¶ms
);
2931 return rdev_change_beacon(rdev
, dev
, ¶ms
);
2934 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
2936 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2937 struct net_device
*dev
= info
->user_ptr
[1];
2939 return cfg80211_stop_ap(rdev
, dev
);
2942 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
2943 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
2944 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
2945 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
2946 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
2947 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
2948 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
2951 static int parse_station_flags(struct genl_info
*info
,
2952 enum nl80211_iftype iftype
,
2953 struct station_parameters
*params
)
2955 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
2960 * Try parsing the new attribute first so userspace
2961 * can specify both for older kernels.
2963 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
2965 struct nl80211_sta_flag_update
*sta_flags
;
2967 sta_flags
= nla_data(nla
);
2968 params
->sta_flags_mask
= sta_flags
->mask
;
2969 params
->sta_flags_set
= sta_flags
->set
;
2970 if ((params
->sta_flags_mask
|
2971 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
2976 /* if present, parse the old attribute */
2978 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
2982 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
2983 nla
, sta_flags_policy
))
2987 * Only allow certain flags for interface types so that
2988 * other attributes are silently ignored. Remember that
2989 * this is backward compatibility code with old userspace
2990 * and shouldn't be hit in other cases anyway.
2993 case NL80211_IFTYPE_AP
:
2994 case NL80211_IFTYPE_AP_VLAN
:
2995 case NL80211_IFTYPE_P2P_GO
:
2996 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
2997 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
2998 BIT(NL80211_STA_FLAG_WME
) |
2999 BIT(NL80211_STA_FLAG_MFP
);
3001 case NL80211_IFTYPE_P2P_CLIENT
:
3002 case NL80211_IFTYPE_STATION
:
3003 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3004 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3006 case NL80211_IFTYPE_MESH_POINT
:
3007 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3008 BIT(NL80211_STA_FLAG_MFP
) |
3009 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3014 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3016 params
->sta_flags_set
|= (1<<flag
);
3018 /* no longer support new API additions in old API */
3019 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3027 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3030 struct nlattr
*rate
;
3034 rate
= nla_nest_start(msg
, attr
);
3038 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3039 bitrate
= cfg80211_calculate_bitrate(info
);
3040 /* report 16-bit bitrate only if we can */
3041 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3043 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3045 if (bitrate_compat
> 0 &&
3046 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3049 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3050 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3052 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3053 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3055 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3056 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3058 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3059 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3061 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3063 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3064 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3066 if (info
->flags
& RATE_INFO_FLAGS_80_MHZ_WIDTH
&&
3067 nla_put_flag(msg
, NL80211_RATE_INFO_80_MHZ_WIDTH
))
3069 if (info
->flags
& RATE_INFO_FLAGS_80P80_MHZ_WIDTH
&&
3070 nla_put_flag(msg
, NL80211_RATE_INFO_80P80_MHZ_WIDTH
))
3072 if (info
->flags
& RATE_INFO_FLAGS_160_MHZ_WIDTH
&&
3073 nla_put_flag(msg
, NL80211_RATE_INFO_160_MHZ_WIDTH
))
3075 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3076 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3080 nla_nest_end(msg
, rate
);
3084 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3086 struct cfg80211_registered_device
*rdev
,
3087 struct net_device
*dev
,
3088 const u8
*mac_addr
, struct station_info
*sinfo
)
3091 struct nlattr
*sinfoattr
, *bss_param
;
3093 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3097 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3098 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3099 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3100 goto nla_put_failure
;
3102 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3104 goto nla_put_failure
;
3105 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
3106 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
3107 sinfo
->connected_time
))
3108 goto nla_put_failure
;
3109 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
3110 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
3111 sinfo
->inactive_time
))
3112 goto nla_put_failure
;
3113 if ((sinfo
->filled
& (STATION_INFO_RX_BYTES
|
3114 STATION_INFO_RX_BYTES64
)) &&
3115 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3116 (u32
)sinfo
->rx_bytes
))
3117 goto nla_put_failure
;
3118 if ((sinfo
->filled
& (STATION_INFO_TX_BYTES
|
3119 NL80211_STA_INFO_TX_BYTES64
)) &&
3120 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3121 (u32
)sinfo
->tx_bytes
))
3122 goto nla_put_failure
;
3123 if ((sinfo
->filled
& STATION_INFO_RX_BYTES64
) &&
3124 nla_put_u64(msg
, NL80211_STA_INFO_RX_BYTES64
,
3126 goto nla_put_failure
;
3127 if ((sinfo
->filled
& STATION_INFO_TX_BYTES64
) &&
3128 nla_put_u64(msg
, NL80211_STA_INFO_TX_BYTES64
,
3130 goto nla_put_failure
;
3131 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
3132 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
3133 goto nla_put_failure
;
3134 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
3135 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
3136 goto nla_put_failure
;
3137 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
3138 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
3139 sinfo
->plink_state
))
3140 goto nla_put_failure
;
3141 switch (rdev
->wiphy
.signal_type
) {
3142 case CFG80211_SIGNAL_TYPE_MBM
:
3143 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
3144 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
3146 goto nla_put_failure
;
3147 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
3148 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
3150 goto nla_put_failure
;
3155 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
3156 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3157 NL80211_STA_INFO_TX_BITRATE
))
3158 goto nla_put_failure
;
3160 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
3161 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3162 NL80211_STA_INFO_RX_BITRATE
))
3163 goto nla_put_failure
;
3165 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
3166 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
3168 goto nla_put_failure
;
3169 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
3170 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
3172 goto nla_put_failure
;
3173 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
3174 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
3176 goto nla_put_failure
;
3177 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
3178 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
3180 goto nla_put_failure
;
3181 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
3182 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
3183 sinfo
->beacon_loss_count
))
3184 goto nla_put_failure
;
3185 if ((sinfo
->filled
& STATION_INFO_LOCAL_PM
) &&
3186 nla_put_u32(msg
, NL80211_STA_INFO_LOCAL_PM
,
3188 goto nla_put_failure
;
3189 if ((sinfo
->filled
& STATION_INFO_PEER_PM
) &&
3190 nla_put_u32(msg
, NL80211_STA_INFO_PEER_PM
,
3192 goto nla_put_failure
;
3193 if ((sinfo
->filled
& STATION_INFO_NONPEER_PM
) &&
3194 nla_put_u32(msg
, NL80211_STA_INFO_NONPEER_PM
,
3196 goto nla_put_failure
;
3197 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
3198 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3200 goto nla_put_failure
;
3202 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3203 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3204 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3205 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3206 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3207 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3208 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3209 sinfo
->bss_param
.dtim_period
) ||
3210 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3211 sinfo
->bss_param
.beacon_interval
))
3212 goto nla_put_failure
;
3214 nla_nest_end(msg
, bss_param
);
3216 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
3217 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3218 sizeof(struct nl80211_sta_flag_update
),
3220 goto nla_put_failure
;
3221 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
3222 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
3224 goto nla_put_failure
;
3225 nla_nest_end(msg
, sinfoattr
);
3227 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
3228 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3229 sinfo
->assoc_req_ies
))
3230 goto nla_put_failure
;
3232 return genlmsg_end(msg
, hdr
);
3235 genlmsg_cancel(msg
, hdr
);
3239 static int nl80211_dump_station(struct sk_buff
*skb
,
3240 struct netlink_callback
*cb
)
3242 struct station_info sinfo
;
3243 struct cfg80211_registered_device
*dev
;
3244 struct net_device
*netdev
;
3245 u8 mac_addr
[ETH_ALEN
];
3246 int sta_idx
= cb
->args
[1];
3249 err
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
3253 if (!dev
->ops
->dump_station
) {
3259 memset(&sinfo
, 0, sizeof(sinfo
));
3260 err
= rdev_dump_station(dev
, netdev
, sta_idx
,
3267 if (nl80211_send_station(skb
,
3268 NETLINK_CB(cb
->skb
).portid
,
3269 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3270 dev
, netdev
, mac_addr
,
3279 cb
->args
[1] = sta_idx
;
3282 nl80211_finish_netdev_dump(dev
);
3287 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3289 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3290 struct net_device
*dev
= info
->user_ptr
[1];
3291 struct station_info sinfo
;
3292 struct sk_buff
*msg
;
3293 u8
*mac_addr
= NULL
;
3296 memset(&sinfo
, 0, sizeof(sinfo
));
3298 if (!info
->attrs
[NL80211_ATTR_MAC
])
3301 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3303 if (!rdev
->ops
->get_station
)
3306 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3310 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3314 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3315 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3320 return genlmsg_reply(msg
, info
);
3324 * Get vlan interface making sure it is running and on the right wiphy.
3326 static struct net_device
*get_vlan(struct genl_info
*info
,
3327 struct cfg80211_registered_device
*rdev
)
3329 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
3330 struct net_device
*v
;
3336 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
3338 return ERR_PTR(-ENODEV
);
3340 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
3345 if (!netif_running(v
)) {
3353 return ERR_PTR(ret
);
3356 static struct nla_policy
3357 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] __read_mostly
= {
3358 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
3359 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
3362 static int nl80211_set_station_tdls(struct genl_info
*info
,
3363 struct station_parameters
*params
)
3365 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
3369 /* Dummy STA entry gets updated once the peer capabilities are known */
3370 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
3372 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
3373 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
3375 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
3377 /* parse WME attributes if present */
3378 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
3381 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
3382 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
3383 nl80211_sta_wme_policy
);
3387 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
3388 params
->uapsd_queues
= nla_get_u8(
3389 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
3390 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
3393 if (tb
[NL80211_STA_WME_MAX_SP
])
3394 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
3396 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
3399 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
3404 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
3406 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3408 struct net_device
*dev
= info
->user_ptr
[1];
3409 struct station_parameters params
;
3410 u8
*mac_addr
= NULL
;
3412 memset(¶ms
, 0, sizeof(params
));
3414 params
.listen_interval
= -1;
3415 params
.plink_state
= -1;
3417 if (info
->attrs
[NL80211_ATTR_STA_AID
])
3420 if (!info
->attrs
[NL80211_ATTR_MAC
])
3423 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3425 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
3426 params
.supported_rates
=
3427 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3428 params
.supported_rates_len
=
3429 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3432 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
3434 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
3435 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
3438 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
3440 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
3441 params
.ext_capab_len
=
3442 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
3445 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
3448 if (!rdev
->ops
->change_station
)
3451 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
3454 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
3455 params
.plink_action
=
3456 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
3458 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
])
3459 params
.plink_state
=
3460 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
3462 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
3463 enum nl80211_mesh_power_mode pm
= nla_get_u32(
3464 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
3466 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
3467 pm
> NL80211_MESH_POWER_MAX
)
3470 params
.local_pm
= pm
;
3473 switch (dev
->ieee80211_ptr
->iftype
) {
3474 case NL80211_IFTYPE_AP
:
3475 case NL80211_IFTYPE_AP_VLAN
:
3476 case NL80211_IFTYPE_P2P_GO
:
3477 /* disallow mesh-specific things */
3478 if (params
.plink_action
)
3480 if (params
.local_pm
)
3483 /* TDLS can't be set, ... */
3484 if (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3487 * ... but don't bother the driver with it. This works around
3488 * a hostapd/wpa_supplicant issue -- it always includes the
3489 * TLDS_PEER flag in the mask even for AP mode.
3491 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3493 /* accept only the listed bits */
3494 if (params
.sta_flags_mask
&
3495 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3496 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3497 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3498 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3499 BIT(NL80211_STA_FLAG_WME
) |
3500 BIT(NL80211_STA_FLAG_MFP
)))
3503 /* but authenticated/associated only if driver handles it */
3504 if (!(rdev
->wiphy
.features
&
3505 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
3506 params
.sta_flags_mask
&
3507 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3508 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
3511 /* reject other things that can't change */
3512 if (params
.supported_rates
)
3514 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
])
3516 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
])
3518 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
] ||
3519 info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
3522 /* must be last in here for error handling */
3523 params
.vlan
= get_vlan(info
, rdev
);
3524 if (IS_ERR(params
.vlan
))
3525 return PTR_ERR(params
.vlan
);
3527 case NL80211_IFTYPE_P2P_CLIENT
:
3528 case NL80211_IFTYPE_STATION
:
3530 * Don't allow userspace to change the TDLS_PEER flag,
3531 * but silently ignore attempts to change it since we
3532 * don't have state here to verify that it doesn't try
3533 * to change the flag.
3535 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3536 /* Include parameters for TDLS peer (driver will check) */
3537 err
= nl80211_set_station_tdls(info
, ¶ms
);
3540 /* disallow things sta doesn't support */
3541 if (params
.plink_action
)
3543 if (params
.local_pm
)
3545 /* reject any changes other than AUTHORIZED or WME (for TDLS) */
3546 if (params
.sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3547 BIT(NL80211_STA_FLAG_WME
)))
3550 case NL80211_IFTYPE_ADHOC
:
3551 /* disallow things sta doesn't support */
3552 if (params
.plink_action
)
3554 if (params
.local_pm
)
3556 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
] ||
3557 info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
3559 /* reject any changes other than AUTHORIZED */
3560 if (params
.sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
3563 case NL80211_IFTYPE_MESH_POINT
:
3564 /* disallow things mesh doesn't support */
3567 if (params
.supported_rates
)
3569 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
])
3571 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
])
3573 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
] ||
3574 info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
3577 * No special handling for TDLS here -- the userspace
3578 * mesh code doesn't have this bug.
3580 if (params
.sta_flags_mask
&
3581 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3582 BIT(NL80211_STA_FLAG_MFP
) |
3583 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3590 /* be aware of params.vlan when changing code here */
3592 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
3595 dev_put(params
.vlan
);
3600 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
3602 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3604 struct net_device
*dev
= info
->user_ptr
[1];
3605 struct station_parameters params
;
3606 u8
*mac_addr
= NULL
;
3608 memset(¶ms
, 0, sizeof(params
));
3610 if (!info
->attrs
[NL80211_ATTR_MAC
])
3613 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
3616 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
3619 if (!info
->attrs
[NL80211_ATTR_STA_AID
])
3622 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3623 params
.supported_rates
=
3624 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3625 params
.supported_rates_len
=
3626 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3627 params
.listen_interval
=
3628 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
3630 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
3631 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
3634 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
3636 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
3637 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
3640 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
3642 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
3643 params
.ext_capab_len
=
3644 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
3647 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
3649 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
3651 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
3653 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
3655 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
3656 params
.plink_action
=
3657 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
3659 if (!rdev
->ops
->add_station
)
3662 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
3665 switch (dev
->ieee80211_ptr
->iftype
) {
3666 case NL80211_IFTYPE_AP
:
3667 case NL80211_IFTYPE_AP_VLAN
:
3668 case NL80211_IFTYPE_P2P_GO
:
3669 /* parse WME attributes if sta is WME capable */
3670 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
3671 (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)) &&
3672 info
->attrs
[NL80211_ATTR_STA_WME
]) {
3673 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
3676 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
3677 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
3678 nl80211_sta_wme_policy
);
3682 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
3683 params
.uapsd_queues
=
3684 nla_get_u8(tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
3685 if (params
.uapsd_queues
&
3686 ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
3689 if (tb
[NL80211_STA_WME_MAX_SP
])
3691 nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
3694 ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
3697 params
.sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
3699 /* TDLS peers cannot be added */
3700 if (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3702 /* but don't bother the driver with it */
3703 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3705 /* allow authenticated/associated only if driver handles it */
3706 if (!(rdev
->wiphy
.features
&
3707 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
3708 params
.sta_flags_mask
&
3709 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3710 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
3713 /* must be last in here for error handling */
3714 params
.vlan
= get_vlan(info
, rdev
);
3715 if (IS_ERR(params
.vlan
))
3716 return PTR_ERR(params
.vlan
);
3718 case NL80211_IFTYPE_MESH_POINT
:
3719 /* associated is disallowed */
3720 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
3722 /* TDLS peers cannot be added */
3723 if (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3726 case NL80211_IFTYPE_STATION
:
3727 /* associated is disallowed */
3728 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
3730 /* Only TDLS peers can be added */
3731 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3733 /* Can only add if TDLS ... */
3734 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
3736 /* ... with external setup is supported */
3737 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
3744 /* be aware of params.vlan when changing code here */
3746 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
3749 dev_put(params
.vlan
);
3753 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
3755 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3756 struct net_device
*dev
= info
->user_ptr
[1];
3757 u8
*mac_addr
= NULL
;
3759 if (info
->attrs
[NL80211_ATTR_MAC
])
3760 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3762 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3763 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
3764 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
3765 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3768 if (!rdev
->ops
->del_station
)
3771 return rdev_del_station(rdev
, dev
, mac_addr
);
3774 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3775 int flags
, struct net_device
*dev
,
3776 u8
*dst
, u8
*next_hop
,
3777 struct mpath_info
*pinfo
)
3780 struct nlattr
*pinfoattr
;
3782 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3786 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3787 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
3788 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
3789 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
3790 goto nla_put_failure
;
3792 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
3794 goto nla_put_failure
;
3795 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
3796 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
3798 goto nla_put_failure
;
3799 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
3800 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
3801 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
3802 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
3804 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
3805 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
3807 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
3808 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
3810 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
3811 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
3812 pinfo
->discovery_timeout
)) ||
3813 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
3814 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
3815 pinfo
->discovery_retries
)))
3816 goto nla_put_failure
;
3818 nla_nest_end(msg
, pinfoattr
);
3820 return genlmsg_end(msg
, hdr
);
3823 genlmsg_cancel(msg
, hdr
);
3827 static int nl80211_dump_mpath(struct sk_buff
*skb
,
3828 struct netlink_callback
*cb
)
3830 struct mpath_info pinfo
;
3831 struct cfg80211_registered_device
*dev
;
3832 struct net_device
*netdev
;
3834 u8 next_hop
[ETH_ALEN
];
3835 int path_idx
= cb
->args
[1];
3838 err
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
3842 if (!dev
->ops
->dump_mpath
) {
3847 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
3853 err
= rdev_dump_mpath(dev
, netdev
, path_idx
, dst
, next_hop
,
3860 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
3861 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3862 netdev
, dst
, next_hop
,
3871 cb
->args
[1] = path_idx
;
3874 nl80211_finish_netdev_dump(dev
);
3878 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3880 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3882 struct net_device
*dev
= info
->user_ptr
[1];
3883 struct mpath_info pinfo
;
3884 struct sk_buff
*msg
;
3886 u8 next_hop
[ETH_ALEN
];
3888 memset(&pinfo
, 0, sizeof(pinfo
));
3890 if (!info
->attrs
[NL80211_ATTR_MAC
])
3893 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3895 if (!rdev
->ops
->get_mpath
)
3898 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3901 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
3905 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3909 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3910 dev
, dst
, next_hop
, &pinfo
) < 0) {
3915 return genlmsg_reply(msg
, info
);
3918 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3920 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3921 struct net_device
*dev
= info
->user_ptr
[1];
3923 u8
*next_hop
= NULL
;
3925 if (!info
->attrs
[NL80211_ATTR_MAC
])
3928 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
3931 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3932 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
3934 if (!rdev
->ops
->change_mpath
)
3937 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3940 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
3943 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3945 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3946 struct net_device
*dev
= info
->user_ptr
[1];
3948 u8
*next_hop
= NULL
;
3950 if (!info
->attrs
[NL80211_ATTR_MAC
])
3953 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
3956 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3957 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
3959 if (!rdev
->ops
->add_mpath
)
3962 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3965 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
3968 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3970 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3971 struct net_device
*dev
= info
->user_ptr
[1];
3974 if (info
->attrs
[NL80211_ATTR_MAC
])
3975 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3977 if (!rdev
->ops
->del_mpath
)
3980 return rdev_del_mpath(rdev
, dev
, dst
);
3983 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
3985 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3986 struct net_device
*dev
= info
->user_ptr
[1];
3987 struct bss_parameters params
;
3989 memset(¶ms
, 0, sizeof(params
));
3990 /* default to not changing parameters */
3991 params
.use_cts_prot
= -1;
3992 params
.use_short_preamble
= -1;
3993 params
.use_short_slot_time
= -1;
3994 params
.ap_isolate
= -1;
3995 params
.ht_opmode
= -1;
3996 params
.p2p_ctwindow
= -1;
3997 params
.p2p_opp_ps
= -1;
3999 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4000 params
.use_cts_prot
=
4001 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4002 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4003 params
.use_short_preamble
=
4004 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4005 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4006 params
.use_short_slot_time
=
4007 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4008 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4009 params
.basic_rates
=
4010 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4011 params
.basic_rates_len
=
4012 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4014 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4015 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4016 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4018 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4020 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4021 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4023 params
.p2p_ctwindow
=
4024 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4025 if (params
.p2p_ctwindow
< 0)
4027 if (params
.p2p_ctwindow
!= 0 &&
4028 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4032 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4035 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4037 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4040 params
.p2p_opp_ps
= tmp
;
4041 if (params
.p2p_opp_ps
&&
4042 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4046 if (!rdev
->ops
->change_bss
)
4049 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4050 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4053 return rdev_change_bss(rdev
, dev
, ¶ms
);
4056 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4057 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4058 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4059 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4060 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4061 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4062 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4065 static int parse_reg_rule(struct nlattr
*tb
[],
4066 struct ieee80211_reg_rule
*reg_rule
)
4068 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4069 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4071 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4073 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4075 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4077 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4079 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4082 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4084 freq_range
->start_freq_khz
=
4085 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4086 freq_range
->end_freq_khz
=
4087 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4088 freq_range
->max_bandwidth_khz
=
4089 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4091 power_rule
->max_eirp
=
4092 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4094 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4095 power_rule
->max_antenna_gain
=
4096 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4101 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4105 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4108 * You should only get this when cfg80211 hasn't yet initialized
4109 * completely when built-in to the kernel right between the time
4110 * window between nl80211_init() and regulatory_init(), if that is
4113 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4114 return -EINPROGRESS
;
4116 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4119 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4121 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4122 user_reg_hint_type
=
4123 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4125 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4127 switch (user_reg_hint_type
) {
4128 case NL80211_USER_REG_HINT_USER
:
4129 case NL80211_USER_REG_HINT_CELL_BASE
:
4135 r
= regulatory_hint_user(data
, user_reg_hint_type
);
4140 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4141 struct genl_info
*info
)
4143 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4144 struct net_device
*dev
= info
->user_ptr
[1];
4145 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4146 struct mesh_config cur_params
;
4149 struct nlattr
*pinfoattr
;
4150 struct sk_buff
*msg
;
4152 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4155 if (!rdev
->ops
->get_mesh_config
)
4159 /* If not connected, get default parameters */
4160 if (!wdev
->mesh_id_len
)
4161 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4163 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4169 /* Draw up a netlink message to send back */
4170 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4173 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4174 NL80211_CMD_GET_MESH_CONFIG
);
4177 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
4179 goto nla_put_failure
;
4180 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4181 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4182 cur_params
.dot11MeshRetryTimeout
) ||
4183 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4184 cur_params
.dot11MeshConfirmTimeout
) ||
4185 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4186 cur_params
.dot11MeshHoldingTimeout
) ||
4187 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4188 cur_params
.dot11MeshMaxPeerLinks
) ||
4189 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
4190 cur_params
.dot11MeshMaxRetries
) ||
4191 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
4192 cur_params
.dot11MeshTTL
) ||
4193 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
4194 cur_params
.element_ttl
) ||
4195 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4196 cur_params
.auto_open_plinks
) ||
4197 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4198 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
4199 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4200 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
4201 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4202 cur_params
.path_refresh_time
) ||
4203 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4204 cur_params
.min_discovery_timeout
) ||
4205 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4206 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
4207 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4208 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
4209 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4210 cur_params
.dot11MeshHWMPperrMinInterval
) ||
4211 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4212 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
4213 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4214 cur_params
.dot11MeshHWMPRootMode
) ||
4215 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4216 cur_params
.dot11MeshHWMPRannInterval
) ||
4217 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4218 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
4219 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
4220 cur_params
.dot11MeshForwarding
) ||
4221 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4222 cur_params
.rssi_threshold
) ||
4223 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
4224 cur_params
.ht_opmode
) ||
4225 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4226 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
4227 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4228 cur_params
.dot11MeshHWMProotInterval
) ||
4229 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4230 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
4231 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
4232 cur_params
.power_mode
) ||
4233 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
4234 cur_params
.dot11MeshAwakeWindowDuration
))
4235 goto nla_put_failure
;
4236 nla_nest_end(msg
, pinfoattr
);
4237 genlmsg_end(msg
, hdr
);
4238 return genlmsg_reply(msg
, info
);
4241 genlmsg_cancel(msg
, hdr
);
4247 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
4248 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
4249 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
4250 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
4251 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
4252 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
4253 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
4254 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
4255 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
4256 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
4257 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
4258 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
4259 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
4260 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
4261 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
4262 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
4263 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
4264 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
4265 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
4266 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
4267 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
4268 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
4269 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
4270 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
4271 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
4272 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
4273 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
4274 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
4277 static const struct nla_policy
4278 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
4279 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
4280 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
4281 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
4282 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
4283 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
4284 .len
= IEEE80211_MAX_DATA_LEN
},
4285 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
4288 static int nl80211_parse_mesh_config(struct genl_info
*info
,
4289 struct mesh_config
*cfg
,
4292 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
4295 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
4298 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
4300 cfg->param = fn(tb[attr]); \
4301 mask |= (1 << (attr - 1)); \
4306 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
4308 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
4309 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
4310 nl80211_meshconf_params_policy
))
4313 /* This makes sure that there aren't more than 32 mesh config
4314 * parameters (otherwise our bitfield scheme would not work.) */
4315 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
4317 /* Fill in the params struct */
4318 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
4319 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4321 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
4322 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4324 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
4325 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4327 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
4328 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4330 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
4331 mask
, NL80211_MESHCONF_MAX_RETRIES
,
4333 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
4334 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
4335 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
4336 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
4338 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
4339 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4341 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
4343 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4345 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
4346 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4348 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
4349 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4351 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
4352 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4354 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
4356 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4358 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
4360 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4362 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
4364 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4366 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4367 dot11MeshHWMPnetDiameterTraversalTime
,
4369 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4371 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
4372 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4374 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
4375 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4377 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4378 dot11MeshGateAnnouncementProtocol
, 0, 1,
4379 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4381 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
4382 mask
, NL80211_MESHCONF_FORWARDING
,
4384 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, 1, 255,
4385 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4387 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
4388 mask
, NL80211_MESHCONF_HT_OPMODE
,
4390 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
4392 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4394 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
4395 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4397 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4398 dot11MeshHWMPconfirmationInterval
,
4400 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4402 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
4403 NL80211_MESH_POWER_ACTIVE
,
4404 NL80211_MESH_POWER_MAX
,
4405 mask
, NL80211_MESHCONF_POWER_MODE
,
4407 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
4409 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
4415 #undef FILL_IN_MESH_PARAM_IF_SET
4418 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
4419 struct mesh_setup
*setup
)
4421 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
4423 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
4425 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
4426 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
4427 nl80211_mesh_setup_params_policy
))
4430 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
4431 setup
->sync_method
=
4432 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
4433 IEEE80211_SYNC_METHOD_VENDOR
:
4434 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
4436 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
4437 setup
->path_sel_proto
=
4438 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
4439 IEEE80211_PATH_PROTOCOL_VENDOR
:
4440 IEEE80211_PATH_PROTOCOL_HWMP
;
4442 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
4443 setup
->path_metric
=
4444 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
4445 IEEE80211_PATH_METRIC_VENDOR
:
4446 IEEE80211_PATH_METRIC_AIRTIME
;
4449 if (tb
[NL80211_MESH_SETUP_IE
]) {
4450 struct nlattr
*ieattr
=
4451 tb
[NL80211_MESH_SETUP_IE
];
4452 if (!is_valid_ie_attr(ieattr
))
4454 setup
->ie
= nla_data(ieattr
);
4455 setup
->ie_len
= nla_len(ieattr
);
4457 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
4458 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
4463 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
4464 struct genl_info
*info
)
4466 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4467 struct net_device
*dev
= info
->user_ptr
[1];
4468 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4469 struct mesh_config cfg
;
4473 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4476 if (!rdev
->ops
->update_mesh_config
)
4479 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
4484 if (!wdev
->mesh_id_len
)
4488 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
4495 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4497 const struct ieee80211_regdomain
*regdom
;
4498 struct sk_buff
*msg
;
4500 struct nlattr
*nl_reg_rules
;
4504 mutex_lock(&cfg80211_mutex
);
4506 if (!cfg80211_regdomain
)
4509 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4515 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4516 NL80211_CMD_GET_REG
);
4520 if (reg_last_request_cell_base() &&
4521 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
4522 NL80211_USER_REG_HINT_CELL_BASE
))
4523 goto nla_put_failure
;
4526 regdom
= rcu_dereference(cfg80211_regdomain
);
4528 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
4529 (regdom
->dfs_region
&&
4530 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
4531 goto nla_put_failure_rcu
;
4533 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
4535 goto nla_put_failure_rcu
;
4537 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
4538 struct nlattr
*nl_reg_rule
;
4539 const struct ieee80211_reg_rule
*reg_rule
;
4540 const struct ieee80211_freq_range
*freq_range
;
4541 const struct ieee80211_power_rule
*power_rule
;
4543 reg_rule
= ®dom
->reg_rules
[i
];
4544 freq_range
= ®_rule
->freq_range
;
4545 power_rule
= ®_rule
->power_rule
;
4547 nl_reg_rule
= nla_nest_start(msg
, i
);
4549 goto nla_put_failure_rcu
;
4551 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
4553 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
4554 freq_range
->start_freq_khz
) ||
4555 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
4556 freq_range
->end_freq_khz
) ||
4557 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
4558 freq_range
->max_bandwidth_khz
) ||
4559 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
4560 power_rule
->max_antenna_gain
) ||
4561 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
4562 power_rule
->max_eirp
))
4563 goto nla_put_failure_rcu
;
4565 nla_nest_end(msg
, nl_reg_rule
);
4569 nla_nest_end(msg
, nl_reg_rules
);
4571 genlmsg_end(msg
, hdr
);
4572 err
= genlmsg_reply(msg
, info
);
4575 nla_put_failure_rcu
:
4578 genlmsg_cancel(msg
, hdr
);
4583 mutex_unlock(&cfg80211_mutex
);
4587 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4589 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
4590 struct nlattr
*nl_reg_rule
;
4591 char *alpha2
= NULL
;
4592 int rem_reg_rules
= 0, r
= 0;
4593 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
4595 struct ieee80211_regdomain
*rd
= NULL
;
4597 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4600 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
4603 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4605 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
4606 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
4608 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
4611 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
4615 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
4616 num_rules
* sizeof(struct ieee80211_reg_rule
);
4618 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
4622 rd
->n_reg_rules
= num_rules
;
4623 rd
->alpha2
[0] = alpha2
[0];
4624 rd
->alpha2
[1] = alpha2
[1];
4627 * Disable DFS master mode if the DFS region was
4628 * not supported or known on this kernel.
4630 if (reg_supported_dfs_region(dfs_region
))
4631 rd
->dfs_region
= dfs_region
;
4633 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
4635 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
4636 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
4638 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
4644 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
4650 mutex_lock(&cfg80211_mutex
);
4653 /* set_regdom took ownership */
4655 mutex_unlock(&cfg80211_mutex
);
4662 static int validate_scan_freqs(struct nlattr
*freqs
)
4664 struct nlattr
*attr1
, *attr2
;
4665 int n_channels
= 0, tmp1
, tmp2
;
4667 nla_for_each_nested(attr1
, freqs
, tmp1
) {
4670 * Some hardware has a limited channel list for
4671 * scanning, and it is pretty much nonsensical
4672 * to scan for a channel twice, so disallow that
4673 * and don't require drivers to check that the
4674 * channel list they get isn't longer than what
4675 * they can scan, as long as they can scan all
4676 * the channels they registered at once.
4678 nla_for_each_nested(attr2
, freqs
, tmp2
)
4679 if (attr1
!= attr2
&&
4680 nla_get_u32(attr1
) == nla_get_u32(attr2
))
4687 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
4689 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4690 struct wireless_dev
*wdev
= info
->user_ptr
[1];
4691 struct cfg80211_scan_request
*request
;
4692 struct nlattr
*attr
;
4693 struct wiphy
*wiphy
;
4694 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
4697 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4700 wiphy
= &rdev
->wiphy
;
4702 if (!rdev
->ops
->scan
)
4708 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4709 n_channels
= validate_scan_freqs(
4710 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
4714 enum ieee80211_band band
;
4717 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
4718 if (wiphy
->bands
[band
])
4719 n_channels
+= wiphy
->bands
[band
]->n_channels
;
4722 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
4723 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
4726 if (n_ssids
> wiphy
->max_scan_ssids
)
4729 if (info
->attrs
[NL80211_ATTR_IE
])
4730 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4734 if (ie_len
> wiphy
->max_scan_ie_len
)
4737 request
= kzalloc(sizeof(*request
)
4738 + sizeof(*request
->ssids
) * n_ssids
4739 + sizeof(*request
->channels
) * n_channels
4740 + ie_len
, GFP_KERNEL
);
4745 request
->ssids
= (void *)&request
->channels
[n_channels
];
4746 request
->n_ssids
= n_ssids
;
4749 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
4751 request
->ie
= (void *)(request
->channels
+ n_channels
);
4755 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4756 /* user specified, bail out if channel not found */
4757 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
4758 struct ieee80211_channel
*chan
;
4760 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
4767 /* ignore disabled channels */
4768 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
4771 request
->channels
[i
] = chan
;
4775 enum ieee80211_band band
;
4778 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
4780 if (!wiphy
->bands
[band
])
4782 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
4783 struct ieee80211_channel
*chan
;
4785 chan
= &wiphy
->bands
[band
]->channels
[j
];
4787 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
4790 request
->channels
[i
] = chan
;
4801 request
->n_channels
= i
;
4804 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
4805 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
4806 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
4810 request
->ssids
[i
].ssid_len
= nla_len(attr
);
4811 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
4816 if (info
->attrs
[NL80211_ATTR_IE
]) {
4817 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4818 memcpy((void *)request
->ie
,
4819 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
4823 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
4824 if (wiphy
->bands
[i
])
4826 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
4828 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
4829 nla_for_each_nested(attr
,
4830 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
4832 enum ieee80211_band band
= nla_type(attr
);
4834 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
4838 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
4841 &request
->rates
[band
]);
4847 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
4848 request
->flags
= nla_get_u32(
4849 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
4850 if (((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
4851 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) ||
4852 ((request
->flags
& NL80211_SCAN_FLAG_FLUSH
) &&
4853 !(wiphy
->features
& NL80211_FEATURE_SCAN_FLUSH
))) {
4860 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
4862 request
->wdev
= wdev
;
4863 request
->wiphy
= &rdev
->wiphy
;
4864 request
->scan_start
= jiffies
;
4866 rdev
->scan_req
= request
;
4867 err
= rdev_scan(rdev
, request
);
4870 nl80211_send_scan_start(rdev
, wdev
);
4872 dev_hold(wdev
->netdev
);
4875 rdev
->scan_req
= NULL
;
4882 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
4883 struct genl_info
*info
)
4885 struct cfg80211_sched_scan_request
*request
;
4886 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4887 struct net_device
*dev
= info
->user_ptr
[1];
4888 struct nlattr
*attr
;
4889 struct wiphy
*wiphy
;
4890 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
4892 enum ieee80211_band band
;
4894 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
4896 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
4897 !rdev
->ops
->sched_scan_start
)
4900 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4903 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
4906 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
4910 wiphy
= &rdev
->wiphy
;
4912 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4913 n_channels
= validate_scan_freqs(
4914 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
4920 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
4921 if (wiphy
->bands
[band
])
4922 n_channels
+= wiphy
->bands
[band
]->n_channels
;
4925 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
4926 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
4930 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
4933 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
])
4934 nla_for_each_nested(attr
,
4935 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
4939 if (n_match_sets
> wiphy
->max_match_sets
)
4942 if (info
->attrs
[NL80211_ATTR_IE
])
4943 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4947 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
4950 mutex_lock(&rdev
->sched_scan_mtx
);
4952 if (rdev
->sched_scan_req
) {
4957 request
= kzalloc(sizeof(*request
)
4958 + sizeof(*request
->ssids
) * n_ssids
4959 + sizeof(*request
->match_sets
) * n_match_sets
4960 + sizeof(*request
->channels
) * n_channels
4961 + ie_len
, GFP_KERNEL
);
4968 request
->ssids
= (void *)&request
->channels
[n_channels
];
4969 request
->n_ssids
= n_ssids
;
4972 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
4974 request
->ie
= (void *)(request
->channels
+ n_channels
);
4979 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
4980 else if (request
->ssids
)
4981 request
->match_sets
=
4982 (void *)(request
->ssids
+ n_ssids
);
4984 request
->match_sets
=
4985 (void *)(request
->channels
+ n_channels
);
4987 request
->n_match_sets
= n_match_sets
;
4990 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4991 /* user specified, bail out if channel not found */
4992 nla_for_each_nested(attr
,
4993 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
4995 struct ieee80211_channel
*chan
;
4997 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5004 /* ignore disabled channels */
5005 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5008 request
->channels
[i
] = chan
;
5013 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5015 if (!wiphy
->bands
[band
])
5017 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5018 struct ieee80211_channel
*chan
;
5020 chan
= &wiphy
->bands
[band
]->channels
[j
];
5022 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5025 request
->channels
[i
] = chan
;
5036 request
->n_channels
= i
;
5039 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5040 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5042 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5046 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5047 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
5054 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5055 nla_for_each_nested(attr
,
5056 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5058 struct nlattr
*ssid
, *rssi
;
5060 nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5061 nla_data(attr
), nla_len(attr
),
5062 nl80211_match_policy
);
5063 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
5065 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
5069 memcpy(request
->match_sets
[i
].ssid
.ssid
,
5070 nla_data(ssid
), nla_len(ssid
));
5071 request
->match_sets
[i
].ssid
.ssid_len
=
5074 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5076 request
->rssi_thold
= nla_get_u32(rssi
);
5078 request
->rssi_thold
=
5079 NL80211_SCAN_RSSI_THOLD_OFF
;
5084 if (info
->attrs
[NL80211_ATTR_IE
]) {
5085 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5086 memcpy((void *)request
->ie
,
5087 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5091 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5092 request
->flags
= nla_get_u32(
5093 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5094 if (((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5095 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) ||
5096 ((request
->flags
& NL80211_SCAN_FLAG_FLUSH
) &&
5097 !(wiphy
->features
& NL80211_FEATURE_SCAN_FLUSH
))) {
5104 request
->wiphy
= &rdev
->wiphy
;
5105 request
->interval
= interval
;
5106 request
->scan_start
= jiffies
;
5108 err
= rdev_sched_scan_start(rdev
, dev
, request
);
5110 rdev
->sched_scan_req
= request
;
5111 nl80211_send_sched_scan(rdev
, dev
,
5112 NL80211_CMD_START_SCHED_SCAN
);
5119 mutex_unlock(&rdev
->sched_scan_mtx
);
5123 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
5124 struct genl_info
*info
)
5126 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5129 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5130 !rdev
->ops
->sched_scan_stop
)
5133 mutex_lock(&rdev
->sched_scan_mtx
);
5134 err
= __cfg80211_stop_sched_scan(rdev
, false);
5135 mutex_unlock(&rdev
->sched_scan_mtx
);
5140 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
5141 struct genl_info
*info
)
5143 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5144 struct net_device
*dev
= info
->user_ptr
[1];
5145 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5146 struct cfg80211_chan_def chandef
;
5149 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
5153 if (wdev
->cac_started
)
5156 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
);
5163 if (chandef
.chan
->dfs_state
!= NL80211_DFS_USABLE
)
5166 if (!rdev
->ops
->start_radar_detection
)
5169 mutex_lock(&rdev
->devlist_mtx
);
5170 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
5171 chandef
.chan
, CHAN_MODE_SHARED
,
5172 BIT(chandef
.width
));
5176 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
);
5178 wdev
->channel
= chandef
.chan
;
5179 wdev
->cac_started
= true;
5180 wdev
->cac_start_time
= jiffies
;
5183 mutex_unlock(&rdev
->devlist_mtx
);
5188 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
5190 struct cfg80211_registered_device
*rdev
,
5191 struct wireless_dev
*wdev
,
5192 struct cfg80211_internal_bss
*intbss
)
5194 struct cfg80211_bss
*res
= &intbss
->pub
;
5195 const struct cfg80211_bss_ies
*ies
;
5200 ASSERT_WDEV_LOCK(wdev
);
5202 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
5203 NL80211_CMD_NEW_SCAN_RESULTS
);
5207 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
5209 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
) ||
5210 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
5211 goto nla_put_failure
;
5213 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
5215 goto nla_put_failure
;
5216 if ((!is_zero_ether_addr(res
->bssid
) &&
5217 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
5218 goto nla_put_failure
;
5221 ies
= rcu_dereference(res
->ies
);
5223 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
5224 goto fail_unlock_rcu
;
5226 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
5227 ies
->len
, ies
->data
))
5228 goto fail_unlock_rcu
;
5230 ies
= rcu_dereference(res
->beacon_ies
);
5232 if (!tsf
&& nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
5233 goto fail_unlock_rcu
;
5234 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
5235 ies
->len
, ies
->data
))
5236 goto fail_unlock_rcu
;
5240 if (res
->beacon_interval
&&
5241 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
5242 goto nla_put_failure
;
5243 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
5244 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
5245 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
5246 jiffies_to_msecs(jiffies
- intbss
->ts
)))
5247 goto nla_put_failure
;
5249 switch (rdev
->wiphy
.signal_type
) {
5250 case CFG80211_SIGNAL_TYPE_MBM
:
5251 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
5252 goto nla_put_failure
;
5254 case CFG80211_SIGNAL_TYPE_UNSPEC
:
5255 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
5256 goto nla_put_failure
;
5262 switch (wdev
->iftype
) {
5263 case NL80211_IFTYPE_P2P_CLIENT
:
5264 case NL80211_IFTYPE_STATION
:
5265 if (intbss
== wdev
->current_bss
&&
5266 nla_put_u32(msg
, NL80211_BSS_STATUS
,
5267 NL80211_BSS_STATUS_ASSOCIATED
))
5268 goto nla_put_failure
;
5270 case NL80211_IFTYPE_ADHOC
:
5271 if (intbss
== wdev
->current_bss
&&
5272 nla_put_u32(msg
, NL80211_BSS_STATUS
,
5273 NL80211_BSS_STATUS_IBSS_JOINED
))
5274 goto nla_put_failure
;
5280 nla_nest_end(msg
, bss
);
5282 return genlmsg_end(msg
, hdr
);
5287 genlmsg_cancel(msg
, hdr
);
5291 static int nl80211_dump_scan(struct sk_buff
*skb
,
5292 struct netlink_callback
*cb
)
5294 struct cfg80211_registered_device
*rdev
;
5295 struct net_device
*dev
;
5296 struct cfg80211_internal_bss
*scan
;
5297 struct wireless_dev
*wdev
;
5298 int start
= cb
->args
[1], idx
= 0;
5301 err
= nl80211_prepare_netdev_dump(skb
, cb
, &rdev
, &dev
);
5305 wdev
= dev
->ieee80211_ptr
;
5308 spin_lock_bh(&rdev
->bss_lock
);
5309 cfg80211_bss_expire(rdev
);
5311 cb
->seq
= rdev
->bss_generation
;
5313 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
5316 if (nl80211_send_bss(skb
, cb
,
5317 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5318 rdev
, wdev
, scan
) < 0) {
5324 spin_unlock_bh(&rdev
->bss_lock
);
5328 nl80211_finish_netdev_dump(rdev
);
5333 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
5334 int flags
, struct net_device
*dev
,
5335 struct survey_info
*survey
)
5338 struct nlattr
*infoattr
;
5340 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
5341 NL80211_CMD_NEW_SURVEY_RESULTS
);
5345 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
5346 goto nla_put_failure
;
5348 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
5350 goto nla_put_failure
;
5352 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
5353 survey
->channel
->center_freq
))
5354 goto nla_put_failure
;
5356 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
5357 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
5358 goto nla_put_failure
;
5359 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
5360 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
5361 goto nla_put_failure
;
5362 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
5363 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
5364 survey
->channel_time
))
5365 goto nla_put_failure
;
5366 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
5367 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
5368 survey
->channel_time_busy
))
5369 goto nla_put_failure
;
5370 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
5371 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
5372 survey
->channel_time_ext_busy
))
5373 goto nla_put_failure
;
5374 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
5375 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
5376 survey
->channel_time_rx
))
5377 goto nla_put_failure
;
5378 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
5379 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
5380 survey
->channel_time_tx
))
5381 goto nla_put_failure
;
5383 nla_nest_end(msg
, infoattr
);
5385 return genlmsg_end(msg
, hdr
);
5388 genlmsg_cancel(msg
, hdr
);
5392 static int nl80211_dump_survey(struct sk_buff
*skb
,
5393 struct netlink_callback
*cb
)
5395 struct survey_info survey
;
5396 struct cfg80211_registered_device
*dev
;
5397 struct net_device
*netdev
;
5398 int survey_idx
= cb
->args
[1];
5401 res
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
5405 if (!dev
->ops
->dump_survey
) {
5411 struct ieee80211_channel
*chan
;
5413 res
= rdev_dump_survey(dev
, netdev
, survey_idx
, &survey
);
5419 /* Survey without a channel doesn't make sense */
5420 if (!survey
.channel
) {
5425 chan
= ieee80211_get_channel(&dev
->wiphy
,
5426 survey
.channel
->center_freq
);
5427 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
5432 if (nl80211_send_survey(skb
,
5433 NETLINK_CB(cb
->skb
).portid
,
5434 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5442 cb
->args
[1] = survey_idx
;
5445 nl80211_finish_netdev_dump(dev
);
5449 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
5451 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
5452 NL80211_WPA_VERSION_2
));
5455 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
5457 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5458 struct net_device
*dev
= info
->user_ptr
[1];
5459 struct ieee80211_channel
*chan
;
5460 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
5461 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
5462 enum nl80211_auth_type auth_type
;
5463 struct key_parse key
;
5464 bool local_state_change
;
5466 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5469 if (!info
->attrs
[NL80211_ATTR_MAC
])
5472 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
5475 if (!info
->attrs
[NL80211_ATTR_SSID
])
5478 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
5481 err
= nl80211_parse_key(info
, &key
);
5486 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
5488 if (!key
.p
.key
|| !key
.p
.key_len
)
5490 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
5491 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
5492 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
5493 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
5505 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
5506 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
5515 if (!rdev
->ops
->auth
)
5518 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5519 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5522 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5523 chan
= ieee80211_get_channel(&rdev
->wiphy
,
5524 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
5525 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
5528 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
5529 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
5531 if (info
->attrs
[NL80211_ATTR_IE
]) {
5532 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5533 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5536 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
5537 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
5540 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
5541 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
5544 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
5545 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
5547 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
5548 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
5549 /* need to include at least Auth Transaction and Status Code */
5550 if (sae_data_len
< 4)
5554 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
5557 * Since we no longer track auth state, ignore
5558 * requests to only change local state.
5560 if (local_state_change
)
5563 return cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
5564 ssid
, ssid_len
, ie
, ie_len
,
5565 key
.p
.key
, key
.p
.key_len
, key
.idx
,
5566 sae_data
, sae_data_len
);
5569 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
5570 struct genl_info
*info
,
5571 struct cfg80211_crypto_settings
*settings
,
5574 memset(settings
, 0, sizeof(*settings
));
5576 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
5578 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
5580 proto
= nla_get_u16(
5581 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
5582 settings
->control_port_ethertype
= cpu_to_be16(proto
);
5583 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
5586 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
5587 settings
->control_port_no_encrypt
= true;
5589 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
5591 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
5595 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
5596 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
5597 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
5599 if (len
% sizeof(u32
))
5602 if (settings
->n_ciphers_pairwise
> cipher_limit
)
5605 memcpy(settings
->ciphers_pairwise
, data
, len
);
5607 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
5608 if (!cfg80211_supported_cipher_suite(
5610 settings
->ciphers_pairwise
[i
]))
5614 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
5615 settings
->cipher_group
=
5616 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
5617 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
5618 settings
->cipher_group
))
5622 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
5623 settings
->wpa_versions
=
5624 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
5625 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
5629 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
5633 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
5634 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
5635 settings
->n_akm_suites
= len
/ sizeof(u32
);
5637 if (len
% sizeof(u32
))
5640 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
5643 memcpy(settings
->akm_suites
, data
, len
);
5649 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
5651 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5652 struct net_device
*dev
= info
->user_ptr
[1];
5653 struct cfg80211_crypto_settings crypto
;
5654 struct ieee80211_channel
*chan
;
5655 const u8
*bssid
, *ssid
, *ie
= NULL
, *prev_bssid
= NULL
;
5656 int err
, ssid_len
, ie_len
= 0;
5657 bool use_mfp
= false;
5659 struct ieee80211_ht_cap
*ht_capa
= NULL
;
5660 struct ieee80211_ht_cap
*ht_capa_mask
= NULL
;
5662 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5665 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
5666 !info
->attrs
[NL80211_ATTR_SSID
] ||
5667 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
5670 if (!rdev
->ops
->assoc
)
5673 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5674 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5677 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5679 chan
= ieee80211_get_channel(&rdev
->wiphy
,
5680 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
5681 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
5684 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
5685 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
5687 if (info
->attrs
[NL80211_ATTR_IE
]) {
5688 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5689 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5692 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
5693 enum nl80211_mfp mfp
=
5694 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
5695 if (mfp
== NL80211_MFP_REQUIRED
)
5697 else if (mfp
!= NL80211_MFP_NO
)
5701 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
5702 prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
5704 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
5705 flags
|= ASSOC_REQ_DISABLE_HT
;
5707 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
5709 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]);
5711 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
5714 ht_capa
= nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
5717 err
= nl80211_crypto_settings(rdev
, info
, &crypto
, 1);
5719 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
, prev_bssid
,
5720 ssid
, ssid_len
, ie
, ie_len
, use_mfp
,
5721 &crypto
, flags
, ht_capa
,
5727 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
5729 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5730 struct net_device
*dev
= info
->user_ptr
[1];
5731 const u8
*ie
= NULL
, *bssid
;
5734 bool local_state_change
;
5736 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5739 if (!info
->attrs
[NL80211_ATTR_MAC
])
5742 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
5745 if (!rdev
->ops
->deauth
)
5748 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5749 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5752 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5754 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5755 if (reason_code
== 0) {
5756 /* Reason Code 0 is reserved */
5760 if (info
->attrs
[NL80211_ATTR_IE
]) {
5761 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5762 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5765 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
5767 return cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
5768 local_state_change
);
5771 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
5773 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5774 struct net_device
*dev
= info
->user_ptr
[1];
5775 const u8
*ie
= NULL
, *bssid
;
5778 bool local_state_change
;
5780 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5783 if (!info
->attrs
[NL80211_ATTR_MAC
])
5786 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
5789 if (!rdev
->ops
->disassoc
)
5792 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5793 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5796 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5798 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5799 if (reason_code
== 0) {
5800 /* Reason Code 0 is reserved */
5804 if (info
->attrs
[NL80211_ATTR_IE
]) {
5805 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5806 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5809 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
5811 return cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
5812 local_state_change
);
5816 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
5817 int mcast_rate
[IEEE80211_NUM_BANDS
],
5820 struct wiphy
*wiphy
= &rdev
->wiphy
;
5824 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5825 struct ieee80211_supported_band
*sband
;
5827 sband
= wiphy
->bands
[band
];
5831 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
5832 if (sband
->bitrates
[i
].bitrate
== rateval
) {
5833 mcast_rate
[band
] = i
+ 1;
5843 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
5845 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5846 struct net_device
*dev
= info
->user_ptr
[1];
5847 struct cfg80211_ibss_params ibss
;
5848 struct wiphy
*wiphy
;
5849 struct cfg80211_cached_keys
*connkeys
= NULL
;
5852 memset(&ibss
, 0, sizeof(ibss
));
5854 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5857 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
5858 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
5861 ibss
.beacon_interval
= 100;
5863 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
5864 ibss
.beacon_interval
=
5865 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
5866 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
5870 if (!rdev
->ops
->join_ibss
)
5873 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
5876 wiphy
= &rdev
->wiphy
;
5878 if (info
->attrs
[NL80211_ATTR_MAC
]) {
5879 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5881 if (!is_valid_ether_addr(ibss
.bssid
))
5884 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
5885 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
5887 if (info
->attrs
[NL80211_ATTR_IE
]) {
5888 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5889 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5892 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
5896 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
))
5899 if (ibss
.chandef
.width
> NL80211_CHAN_WIDTH_40
)
5901 if (ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
&&
5902 !(rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
))
5905 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
5906 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
5908 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
5910 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5912 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
5913 struct ieee80211_supported_band
*sband
=
5914 wiphy
->bands
[ibss
.chandef
.chan
->band
];
5916 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
5922 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
5923 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
5924 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
5927 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
5930 connkeys
= nl80211_parse_connkeys(rdev
,
5931 info
->attrs
[NL80211_ATTR_KEYS
],
5933 if (IS_ERR(connkeys
))
5934 return PTR_ERR(connkeys
);
5936 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
5944 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
5946 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
5952 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
5954 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5955 struct net_device
*dev
= info
->user_ptr
[1];
5957 if (!rdev
->ops
->leave_ibss
)
5960 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
5963 return cfg80211_leave_ibss(rdev
, dev
, false);
5966 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
5968 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5969 struct net_device
*dev
= info
->user_ptr
[1];
5970 int mcast_rate
[IEEE80211_NUM_BANDS
];
5974 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
5975 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5978 if (!rdev
->ops
->set_mcast_rate
)
5981 memset(mcast_rate
, 0, sizeof(mcast_rate
));
5983 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
5986 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
5987 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
5990 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
5996 #ifdef CONFIG_NL80211_TESTMODE
5997 static struct genl_multicast_group nl80211_testmode_mcgrp
= {
6001 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
6003 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6006 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
6010 if (rdev
->ops
->testmode_cmd
) {
6011 rdev
->testmode_info
= info
;
6012 err
= rdev_testmode_cmd(rdev
,
6013 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
6014 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
6015 rdev
->testmode_info
= NULL
;
6021 static int nl80211_testmode_dump(struct sk_buff
*skb
,
6022 struct netlink_callback
*cb
)
6024 struct cfg80211_registered_device
*rdev
;
6032 * 0 is a valid index, but not valid for args[0],
6033 * so we need to offset by 1.
6035 phy_idx
= cb
->args
[0] - 1;
6037 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
6038 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
6043 mutex_lock(&cfg80211_mutex
);
6044 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
6045 nl80211_fam
.attrbuf
);
6047 mutex_unlock(&cfg80211_mutex
);
6048 return PTR_ERR(rdev
);
6050 phy_idx
= rdev
->wiphy_idx
;
6052 mutex_unlock(&cfg80211_mutex
);
6054 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
6056 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
6060 data
= nla_data((void *)cb
->args
[1]);
6061 data_len
= nla_len((void *)cb
->args
[1]);
6064 mutex_lock(&cfg80211_mutex
);
6065 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
6067 mutex_unlock(&cfg80211_mutex
);
6070 cfg80211_lock_rdev(rdev
);
6071 mutex_unlock(&cfg80211_mutex
);
6073 if (!rdev
->ops
->testmode_dump
) {
6079 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
6080 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6081 NL80211_CMD_TESTMODE
);
6082 struct nlattr
*tmdata
;
6084 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
6085 genlmsg_cancel(skb
, hdr
);
6089 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
6091 genlmsg_cancel(skb
, hdr
);
6094 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
6095 nla_nest_end(skb
, tmdata
);
6097 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
6098 genlmsg_cancel(skb
, hdr
);
6101 genlmsg_cancel(skb
, hdr
);
6105 genlmsg_end(skb
, hdr
);
6110 cb
->args
[0] = phy_idx
+ 1;
6112 cfg80211_unlock_rdev(rdev
);
6116 static struct sk_buff
*
6117 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device
*rdev
,
6118 int approxlen
, u32 portid
, u32 seq
, gfp_t gfp
)
6120 struct sk_buff
*skb
;
6122 struct nlattr
*data
;
6124 skb
= nlmsg_new(approxlen
+ 100, gfp
);
6128 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, NL80211_CMD_TESTMODE
);
6134 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
6135 goto nla_put_failure
;
6136 data
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
6138 ((void **)skb
->cb
)[0] = rdev
;
6139 ((void **)skb
->cb
)[1] = hdr
;
6140 ((void **)skb
->cb
)[2] = data
;
6149 struct sk_buff
*cfg80211_testmode_alloc_reply_skb(struct wiphy
*wiphy
,
6152 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
6154 if (WARN_ON(!rdev
->testmode_info
))
6157 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
,
6158 rdev
->testmode_info
->snd_portid
,
6159 rdev
->testmode_info
->snd_seq
,
6162 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb
);
6164 int cfg80211_testmode_reply(struct sk_buff
*skb
)
6166 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
6167 void *hdr
= ((void **)skb
->cb
)[1];
6168 struct nlattr
*data
= ((void **)skb
->cb
)[2];
6170 if (WARN_ON(!rdev
->testmode_info
)) {
6175 nla_nest_end(skb
, data
);
6176 genlmsg_end(skb
, hdr
);
6177 return genlmsg_reply(skb
, rdev
->testmode_info
);
6179 EXPORT_SYMBOL(cfg80211_testmode_reply
);
6181 struct sk_buff
*cfg80211_testmode_alloc_event_skb(struct wiphy
*wiphy
,
6182 int approxlen
, gfp_t gfp
)
6184 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
6186 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
, 0, 0, gfp
);
6188 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb
);
6190 void cfg80211_testmode_event(struct sk_buff
*skb
, gfp_t gfp
)
6192 void *hdr
= ((void **)skb
->cb
)[1];
6193 struct nlattr
*data
= ((void **)skb
->cb
)[2];
6195 nla_nest_end(skb
, data
);
6196 genlmsg_end(skb
, hdr
);
6197 genlmsg_multicast(skb
, 0, nl80211_testmode_mcgrp
.id
, gfp
);
6199 EXPORT_SYMBOL(cfg80211_testmode_event
);
6202 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
6204 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6205 struct net_device
*dev
= info
->user_ptr
[1];
6206 struct cfg80211_connect_params connect
;
6207 struct wiphy
*wiphy
;
6208 struct cfg80211_cached_keys
*connkeys
= NULL
;
6211 memset(&connect
, 0, sizeof(connect
));
6213 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6216 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6217 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6220 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
6222 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6223 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
6224 NL80211_CMD_CONNECT
))
6227 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
6229 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
6231 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
6232 NL80211_MAX_NR_CIPHER_SUITES
);
6236 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6237 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6240 wiphy
= &rdev
->wiphy
;
6242 connect
.bg_scan_period
= -1;
6243 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
6244 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
6245 connect
.bg_scan_period
=
6246 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
6249 if (info
->attrs
[NL80211_ATTR_MAC
])
6250 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6251 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6252 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6254 if (info
->attrs
[NL80211_ATTR_IE
]) {
6255 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6256 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6259 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6260 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6261 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
6262 connect
.mfp
!= NL80211_MFP_NO
)
6265 connect
.mfp
= NL80211_MFP_NO
;
6268 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
6270 ieee80211_get_channel(wiphy
,
6271 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6272 if (!connect
.channel
||
6273 connect
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
6277 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
6278 connkeys
= nl80211_parse_connkeys(rdev
,
6279 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
6280 if (IS_ERR(connkeys
))
6281 return PTR_ERR(connkeys
);
6284 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6285 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
6287 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6288 memcpy(&connect
.ht_capa_mask
,
6289 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6290 sizeof(connect
.ht_capa_mask
));
6292 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6293 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
6297 memcpy(&connect
.ht_capa
,
6298 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6299 sizeof(connect
.ht_capa
));
6302 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
);
6308 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
6310 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6311 struct net_device
*dev
= info
->user_ptr
[1];
6314 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6315 reason
= WLAN_REASON_DEAUTH_LEAVING
;
6317 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6322 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6323 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6326 return cfg80211_disconnect(rdev
, dev
, reason
, true);
6329 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
6331 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6336 if (!info
->attrs
[NL80211_ATTR_PID
])
6339 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
6341 net
= get_net_ns_by_pid(pid
);
6343 return PTR_ERR(net
);
6347 /* check if anything to do */
6348 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
6349 err
= cfg80211_switch_netns(rdev
, net
);
6355 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
6357 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6358 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
6359 struct cfg80211_pmksa
*pmksa
) = NULL
;
6360 struct net_device
*dev
= info
->user_ptr
[1];
6361 struct cfg80211_pmksa pmksa
;
6363 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
6365 if (!info
->attrs
[NL80211_ATTR_MAC
])
6368 if (!info
->attrs
[NL80211_ATTR_PMKID
])
6371 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
6372 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6374 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6375 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6378 switch (info
->genlhdr
->cmd
) {
6379 case NL80211_CMD_SET_PMKSA
:
6380 rdev_ops
= rdev
->ops
->set_pmksa
;
6382 case NL80211_CMD_DEL_PMKSA
:
6383 rdev_ops
= rdev
->ops
->del_pmksa
;
6393 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
6396 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
6398 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6399 struct net_device
*dev
= info
->user_ptr
[1];
6401 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6402 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6405 if (!rdev
->ops
->flush_pmksa
)
6408 return rdev_flush_pmksa(rdev
, dev
);
6411 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
6413 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6414 struct net_device
*dev
= info
->user_ptr
[1];
6415 u8 action_code
, dialog_token
;
6419 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
6420 !rdev
->ops
->tdls_mgmt
)
6423 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
6424 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
6425 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
6426 !info
->attrs
[NL80211_ATTR_IE
] ||
6427 !info
->attrs
[NL80211_ATTR_MAC
])
6430 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6431 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
6432 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
6433 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
6435 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
6436 dialog_token
, status_code
,
6437 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
6438 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
6441 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
6443 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6444 struct net_device
*dev
= info
->user_ptr
[1];
6445 enum nl80211_tdls_operation operation
;
6448 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
6449 !rdev
->ops
->tdls_oper
)
6452 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
6453 !info
->attrs
[NL80211_ATTR_MAC
])
6456 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
6457 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6459 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
6462 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
6463 struct genl_info
*info
)
6465 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6466 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6467 struct cfg80211_chan_def chandef
;
6468 struct sk_buff
*msg
;
6474 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
6475 !info
->attrs
[NL80211_ATTR_DURATION
])
6478 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
6480 if (!rdev
->ops
->remain_on_channel
||
6481 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
6485 * We should be on that channel for at least a minimum amount of
6486 * time (10ms) but no longer than the driver supports.
6488 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
6489 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
6492 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
6496 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6500 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
6501 NL80211_CMD_REMAIN_ON_CHANNEL
);
6508 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
6514 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
6515 goto nla_put_failure
;
6517 genlmsg_end(msg
, hdr
);
6519 return genlmsg_reply(msg
, info
);
6528 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
6529 struct genl_info
*info
)
6531 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6532 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6535 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
6538 if (!rdev
->ops
->cancel_remain_on_channel
)
6541 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
6543 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
6546 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
6547 u8
*rates
, u8 rates_len
)
6552 for (i
= 0; i
< rates_len
; i
++) {
6553 int rate
= (rates
[i
] & 0x7f) * 5;
6555 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
6556 struct ieee80211_rate
*srate
=
6557 &sband
->bitrates
[ridx
];
6558 if (rate
== srate
->bitrate
) {
6563 if (ridx
== sband
->n_bitrates
)
6564 return 0; /* rate not found */
6570 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
6571 u8
*rates
, u8 rates_len
,
6572 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
6576 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
6578 for (i
= 0; i
< rates_len
; i
++) {
6581 ridx
= rates
[i
] / 8;
6582 rbit
= BIT(rates
[i
] % 8);
6584 /* check validity */
6585 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
6588 /* check availability */
6589 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
6598 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
6599 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
6600 .len
= NL80211_MAX_SUPP_RATES
},
6601 [NL80211_TXRATE_MCS
] = { .type
= NLA_BINARY
,
6602 .len
= NL80211_MAX_SUPP_HT_RATES
},
6605 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
6606 struct genl_info
*info
)
6608 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
6609 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6610 struct cfg80211_bitrate_mask mask
;
6612 struct net_device
*dev
= info
->user_ptr
[1];
6613 struct nlattr
*tx_rates
;
6614 struct ieee80211_supported_band
*sband
;
6616 if (info
->attrs
[NL80211_ATTR_TX_RATES
] == NULL
)
6619 if (!rdev
->ops
->set_bitrate_mask
)
6622 memset(&mask
, 0, sizeof(mask
));
6623 /* Default to all rates enabled */
6624 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
6625 sband
= rdev
->wiphy
.bands
[i
];
6626 mask
.control
[i
].legacy
=
6627 sband
? (1 << sband
->n_bitrates
) - 1 : 0;
6629 memcpy(mask
.control
[i
].mcs
,
6630 sband
->ht_cap
.mcs
.rx_mask
,
6631 sizeof(mask
.control
[i
].mcs
));
6633 memset(mask
.control
[i
].mcs
, 0,
6634 sizeof(mask
.control
[i
].mcs
));
6638 * The nested attribute uses enum nl80211_band as the index. This maps
6639 * directly to the enum ieee80211_band values used in cfg80211.
6641 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
6642 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
)
6644 enum ieee80211_band band
= nla_type(tx_rates
);
6645 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
6647 sband
= rdev
->wiphy
.bands
[band
];
6650 nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
6651 nla_len(tx_rates
), nl80211_txattr_policy
);
6652 if (tb
[NL80211_TXRATE_LEGACY
]) {
6653 mask
.control
[band
].legacy
= rateset_to_mask(
6655 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
6656 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
6657 if ((mask
.control
[band
].legacy
== 0) &&
6658 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
6661 if (tb
[NL80211_TXRATE_MCS
]) {
6662 if (!ht_rateset_to_mask(
6664 nla_data(tb
[NL80211_TXRATE_MCS
]),
6665 nla_len(tb
[NL80211_TXRATE_MCS
]),
6666 mask
.control
[band
].mcs
))
6670 if (mask
.control
[band
].legacy
== 0) {
6671 /* don't allow empty legacy rates if HT
6672 * is not even supported. */
6673 if (!rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
)
6676 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
6677 if (mask
.control
[band
].mcs
[i
])
6680 /* legacy and mcs rates may not be both empty */
6681 if (i
== IEEE80211_HT_MCS_MASK_LEN
)
6686 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
6689 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
6691 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6692 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6693 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
6695 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
6698 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
6699 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
6701 switch (wdev
->iftype
) {
6702 case NL80211_IFTYPE_STATION
:
6703 case NL80211_IFTYPE_ADHOC
:
6704 case NL80211_IFTYPE_P2P_CLIENT
:
6705 case NL80211_IFTYPE_AP
:
6706 case NL80211_IFTYPE_AP_VLAN
:
6707 case NL80211_IFTYPE_MESH_POINT
:
6708 case NL80211_IFTYPE_P2P_GO
:
6709 case NL80211_IFTYPE_P2P_DEVICE
:
6715 /* not much point in registering if we can't reply */
6716 if (!rdev
->ops
->mgmt_tx
)
6719 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
6720 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
6721 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
6724 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
6726 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6727 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6728 struct cfg80211_chan_def chandef
;
6732 struct sk_buff
*msg
= NULL
;
6733 unsigned int wait
= 0;
6734 bool offchan
, no_cck
, dont_wait_for_ack
;
6736 dont_wait_for_ack
= info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
];
6738 if (!info
->attrs
[NL80211_ATTR_FRAME
])
6741 if (!rdev
->ops
->mgmt_tx
)
6744 switch (wdev
->iftype
) {
6745 case NL80211_IFTYPE_STATION
:
6746 case NL80211_IFTYPE_ADHOC
:
6747 case NL80211_IFTYPE_P2P_CLIENT
:
6748 case NL80211_IFTYPE_AP
:
6749 case NL80211_IFTYPE_AP_VLAN
:
6750 case NL80211_IFTYPE_MESH_POINT
:
6751 case NL80211_IFTYPE_P2P_GO
:
6752 case NL80211_IFTYPE_P2P_DEVICE
:
6758 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
6759 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
6761 wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
6764 * We should wait on the channel for at least a minimum amount
6765 * of time (10ms) but no longer than the driver supports.
6767 if (wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
6768 wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
6773 offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
6775 if (offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
6778 no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
6780 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
6784 if (!dont_wait_for_ack
) {
6785 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6789 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
6798 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, chandef
.chan
, offchan
, wait
,
6799 nla_data(info
->attrs
[NL80211_ATTR_FRAME
]),
6800 nla_len(info
->attrs
[NL80211_ATTR_FRAME
]),
6801 no_cck
, dont_wait_for_ack
, &cookie
);
6806 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
6807 goto nla_put_failure
;
6809 genlmsg_end(msg
, hdr
);
6810 return genlmsg_reply(msg
, info
);
6822 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
6824 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6825 struct wireless_dev
*wdev
= info
->user_ptr
[1];
6828 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
6831 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
6834 switch (wdev
->iftype
) {
6835 case NL80211_IFTYPE_STATION
:
6836 case NL80211_IFTYPE_ADHOC
:
6837 case NL80211_IFTYPE_P2P_CLIENT
:
6838 case NL80211_IFTYPE_AP
:
6839 case NL80211_IFTYPE_AP_VLAN
:
6840 case NL80211_IFTYPE_P2P_GO
:
6841 case NL80211_IFTYPE_P2P_DEVICE
:
6847 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
6849 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
6852 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
6854 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6855 struct wireless_dev
*wdev
;
6856 struct net_device
*dev
= info
->user_ptr
[1];
6861 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
6864 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
6866 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
6869 wdev
= dev
->ieee80211_ptr
;
6871 if (!rdev
->ops
->set_power_mgmt
)
6874 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
6876 if (state
== wdev
->ps
)
6879 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
6885 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
6887 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6888 enum nl80211_ps_state ps_state
;
6889 struct wireless_dev
*wdev
;
6890 struct net_device
*dev
= info
->user_ptr
[1];
6891 struct sk_buff
*msg
;
6895 wdev
= dev
->ieee80211_ptr
;
6897 if (!rdev
->ops
->set_power_mgmt
)
6900 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6904 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
6905 NL80211_CMD_GET_POWER_SAVE
);
6912 ps_state
= NL80211_PS_ENABLED
;
6914 ps_state
= NL80211_PS_DISABLED
;
6916 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
6917 goto nla_put_failure
;
6919 genlmsg_end(msg
, hdr
);
6920 return genlmsg_reply(msg
, info
);
6929 static struct nla_policy
6930 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] __read_mostly
= {
6931 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
6932 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
6933 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
6934 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
6935 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
6936 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
6939 static int nl80211_set_cqm_txe(struct genl_info
*info
,
6940 u32 rate
, u32 pkts
, u32 intvl
)
6942 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6943 struct wireless_dev
*wdev
;
6944 struct net_device
*dev
= info
->user_ptr
[1];
6946 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
6949 wdev
= dev
->ieee80211_ptr
;
6951 if (!rdev
->ops
->set_cqm_txe_config
)
6954 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
6955 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6958 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
6961 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
6962 s32 threshold
, u32 hysteresis
)
6964 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6965 struct wireless_dev
*wdev
;
6966 struct net_device
*dev
= info
->user_ptr
[1];
6971 wdev
= dev
->ieee80211_ptr
;
6973 if (!rdev
->ops
->set_cqm_rssi_config
)
6976 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
6977 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6980 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
6983 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
6985 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
6989 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
6995 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
6996 nl80211_attr_cqm_policy
);
7000 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
7001 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
7004 threshold
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
7005 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
7006 err
= nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
7007 } else if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
7008 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
7009 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
7010 u32 rate
, pkts
, intvl
;
7011 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
7012 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
7013 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
7014 err
= nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
7022 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
7024 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7025 struct net_device
*dev
= info
->user_ptr
[1];
7026 struct mesh_config cfg
;
7027 struct mesh_setup setup
;
7030 /* start with default */
7031 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
7032 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
7034 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
7035 /* and parse parameters if given */
7036 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
7041 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
7042 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
7045 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
7046 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
7048 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7049 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
7050 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7053 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7054 setup
.beacon_interval
=
7055 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7056 if (setup
.beacon_interval
< 10 ||
7057 setup
.beacon_interval
> 10000)
7061 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
7063 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
7064 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
7068 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
7069 /* parse additional setup parameters if given */
7070 err
= nl80211_parse_mesh_setup(info
, &setup
);
7075 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7076 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
7080 /* cfg80211_join_mesh() will sort it out */
7081 setup
.chandef
.chan
= NULL
;
7084 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
7087 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
7089 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7090 struct net_device
*dev
= info
->user_ptr
[1];
7092 return cfg80211_leave_mesh(rdev
, dev
);
7096 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
7097 struct cfg80211_registered_device
*rdev
)
7099 struct nlattr
*nl_pats
, *nl_pat
;
7102 if (!rdev
->wowlan
->n_patterns
)
7105 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
7109 for (i
= 0; i
< rdev
->wowlan
->n_patterns
; i
++) {
7110 nl_pat
= nla_nest_start(msg
, i
+ 1);
7113 pat_len
= rdev
->wowlan
->patterns
[i
].pattern_len
;
7114 if (nla_put(msg
, NL80211_WOWLAN_PKTPAT_MASK
,
7115 DIV_ROUND_UP(pat_len
, 8),
7116 rdev
->wowlan
->patterns
[i
].mask
) ||
7117 nla_put(msg
, NL80211_WOWLAN_PKTPAT_PATTERN
,
7118 pat_len
, rdev
->wowlan
->patterns
[i
].pattern
) ||
7119 nla_put_u32(msg
, NL80211_WOWLAN_PKTPAT_OFFSET
,
7120 rdev
->wowlan
->patterns
[i
].pkt_offset
))
7122 nla_nest_end(msg
, nl_pat
);
7124 nla_nest_end(msg
, nl_pats
);
7129 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
7130 struct cfg80211_wowlan_tcp
*tcp
)
7132 struct nlattr
*nl_tcp
;
7137 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
7141 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
7142 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
7143 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
7144 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
7145 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
7146 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
7147 tcp
->payload_len
, tcp
->payload
) ||
7148 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
7149 tcp
->data_interval
) ||
7150 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
7151 tcp
->wake_len
, tcp
->wake_data
) ||
7152 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
7153 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
7156 if (tcp
->payload_seq
.len
&&
7157 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
7158 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
7161 if (tcp
->payload_tok
.len
&&
7162 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
7163 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
7170 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
7172 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7173 struct sk_buff
*msg
;
7175 u32 size
= NLMSG_DEFAULT_SIZE
;
7177 if (!rdev
->wiphy
.wowlan
.flags
&& !rdev
->wiphy
.wowlan
.n_patterns
&&
7178 !rdev
->wiphy
.wowlan
.tcp
)
7181 if (rdev
->wowlan
&& rdev
->wowlan
->tcp
) {
7182 /* adjust size to have room for all the data */
7183 size
+= rdev
->wowlan
->tcp
->tokens_size
+
7184 rdev
->wowlan
->tcp
->payload_len
+
7185 rdev
->wowlan
->tcp
->wake_len
+
7186 rdev
->wowlan
->tcp
->wake_len
/ 8;
7189 msg
= nlmsg_new(size
, GFP_KERNEL
);
7193 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7194 NL80211_CMD_GET_WOWLAN
);
7196 goto nla_put_failure
;
7199 struct nlattr
*nl_wowlan
;
7201 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
7203 goto nla_put_failure
;
7205 if ((rdev
->wowlan
->any
&&
7206 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
7207 (rdev
->wowlan
->disconnect
&&
7208 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
7209 (rdev
->wowlan
->magic_pkt
&&
7210 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
7211 (rdev
->wowlan
->gtk_rekey_failure
&&
7212 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
7213 (rdev
->wowlan
->eap_identity_req
&&
7214 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
7215 (rdev
->wowlan
->four_way_handshake
&&
7216 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
7217 (rdev
->wowlan
->rfkill_release
&&
7218 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
7219 goto nla_put_failure
;
7221 if (nl80211_send_wowlan_patterns(msg
, rdev
))
7222 goto nla_put_failure
;
7224 if (nl80211_send_wowlan_tcp(msg
, rdev
->wowlan
->tcp
))
7225 goto nla_put_failure
;
7227 nla_nest_end(msg
, nl_wowlan
);
7230 genlmsg_end(msg
, hdr
);
7231 return genlmsg_reply(msg
, info
);
7238 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
7239 struct nlattr
*attr
,
7240 struct cfg80211_wowlan
*trig
)
7242 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
7243 struct cfg80211_wowlan_tcp
*cfg
;
7244 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
7245 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
7247 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
7250 if (!rdev
->wiphy
.wowlan
.tcp
)
7253 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
7254 nla_data(attr
), nla_len(attr
),
7255 nl80211_wowlan_tcp_policy
);
7259 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
7260 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
7261 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
7262 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
7263 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
7264 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
7265 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
7266 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
7269 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
7270 if (data_size
> rdev
->wiphy
.wowlan
.tcp
->data_payload_max
)
7273 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
7274 rdev
->wiphy
.wowlan
.tcp
->data_interval_max
)
7277 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
7278 if (wake_size
> rdev
->wiphy
.wowlan
.tcp
->wake_payload_max
)
7281 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
7282 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
7285 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
7286 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
7288 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
7289 tokens_size
= tokln
- sizeof(*tok
);
7291 if (!tok
->len
|| tokens_size
% tok
->len
)
7293 if (!rdev
->wiphy
.wowlan
.tcp
->tok
)
7295 if (tok
->len
> rdev
->wiphy
.wowlan
.tcp
->tok
->max_len
)
7297 if (tok
->len
< rdev
->wiphy
.wowlan
.tcp
->tok
->min_len
)
7299 if (tokens_size
> rdev
->wiphy
.wowlan
.tcp
->tok
->bufsize
)
7301 if (tok
->offset
+ tok
->len
> data_size
)
7305 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
7306 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
7307 if (!rdev
->wiphy
.wowlan
.tcp
->seq
)
7309 if (seq
->len
== 0 || seq
->len
> 4)
7311 if (seq
->len
+ seq
->offset
> data_size
)
7315 size
= sizeof(*cfg
);
7317 size
+= wake_size
+ wake_mask_size
;
7318 size
+= tokens_size
;
7320 cfg
= kzalloc(size
, GFP_KERNEL
);
7323 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
7324 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
7325 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
7327 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
7328 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
7332 /* allocate a socket and port for it and use it */
7333 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
7334 IPPROTO_TCP
, &cfg
->sock
, 1);
7339 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
7340 sock_release(cfg
->sock
);
7344 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
7350 cfg
->src_port
= port
;
7353 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
7354 cfg
->payload_len
= data_size
;
7355 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
7356 memcpy((void *)cfg
->payload
,
7357 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
7360 cfg
->payload_seq
= *seq
;
7361 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
7362 cfg
->wake_len
= wake_size
;
7363 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
7364 memcpy((void *)cfg
->wake_data
,
7365 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
7367 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
7368 data_size
+ wake_size
;
7369 memcpy((void *)cfg
->wake_mask
,
7370 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
7373 cfg
->tokens_size
= tokens_size
;
7374 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
7382 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
7384 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7385 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
7386 struct cfg80211_wowlan new_triggers
= {};
7387 struct cfg80211_wowlan
*ntrig
;
7388 struct wiphy_wowlan_support
*wowlan
= &rdev
->wiphy
.wowlan
;
7390 bool prev_enabled
= rdev
->wowlan
;
7392 if (!rdev
->wiphy
.wowlan
.flags
&& !rdev
->wiphy
.wowlan
.n_patterns
&&
7393 !rdev
->wiphy
.wowlan
.tcp
)
7396 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
7397 cfg80211_rdev_free_wowlan(rdev
);
7398 rdev
->wowlan
= NULL
;
7402 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
7403 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
7404 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
7405 nl80211_wowlan_policy
);
7409 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
7410 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
7412 new_triggers
.any
= true;
7415 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
7416 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
7418 new_triggers
.disconnect
= true;
7421 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
7422 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
7424 new_triggers
.magic_pkt
= true;
7427 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
7430 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
7431 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
7433 new_triggers
.gtk_rekey_failure
= true;
7436 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
7437 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
7439 new_triggers
.eap_identity_req
= true;
7442 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
7443 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
7445 new_triggers
.four_way_handshake
= true;
7448 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
7449 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
7451 new_triggers
.rfkill_release
= true;
7454 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
7457 int rem
, pat_len
, mask_len
, pkt_offset
;
7458 struct nlattr
*pat_tb
[NUM_NL80211_WOWLAN_PKTPAT
];
7460 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
7463 if (n_patterns
> wowlan
->n_patterns
)
7466 new_triggers
.patterns
= kcalloc(n_patterns
,
7467 sizeof(new_triggers
.patterns
[0]),
7469 if (!new_triggers
.patterns
)
7472 new_triggers
.n_patterns
= n_patterns
;
7475 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
7477 nla_parse(pat_tb
, MAX_NL80211_WOWLAN_PKTPAT
,
7478 nla_data(pat
), nla_len(pat
), NULL
);
7480 if (!pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
] ||
7481 !pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
])
7483 pat_len
= nla_len(pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
]);
7484 mask_len
= DIV_ROUND_UP(pat_len
, 8);
7485 if (nla_len(pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
]) !=
7488 if (pat_len
> wowlan
->pattern_max_len
||
7489 pat_len
< wowlan
->pattern_min_len
)
7492 if (!pat_tb
[NL80211_WOWLAN_PKTPAT_OFFSET
])
7495 pkt_offset
= nla_get_u32(
7496 pat_tb
[NL80211_WOWLAN_PKTPAT_OFFSET
]);
7497 if (pkt_offset
> wowlan
->max_pkt_offset
)
7499 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
7501 new_triggers
.patterns
[i
].mask
=
7502 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
7503 if (!new_triggers
.patterns
[i
].mask
) {
7507 new_triggers
.patterns
[i
].pattern
=
7508 new_triggers
.patterns
[i
].mask
+ mask_len
;
7509 memcpy(new_triggers
.patterns
[i
].mask
,
7510 nla_data(pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
]),
7512 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
7513 memcpy(new_triggers
.patterns
[i
].pattern
,
7514 nla_data(pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
]),
7520 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
7521 err
= nl80211_parse_wowlan_tcp(
7522 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
7528 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
7533 cfg80211_rdev_free_wowlan(rdev
);
7534 rdev
->wowlan
= ntrig
;
7537 if (rdev
->ops
->set_wakeup
&& prev_enabled
!= !!rdev
->wowlan
)
7538 rdev_set_wakeup(rdev
, rdev
->wowlan
);
7542 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
7543 kfree(new_triggers
.patterns
[i
].mask
);
7544 kfree(new_triggers
.patterns
);
7545 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
7546 sock_release(new_triggers
.tcp
->sock
);
7547 kfree(new_triggers
.tcp
);
7552 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
7554 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7555 struct net_device
*dev
= info
->user_ptr
[1];
7556 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7557 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
7558 struct cfg80211_gtk_rekey_data rekey_data
;
7561 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
7564 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
7565 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
7566 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
7567 nl80211_rekey_policy
);
7571 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
7573 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
7575 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
7578 memcpy(rekey_data
.kek
, nla_data(tb
[NL80211_REKEY_DATA_KEK
]),
7580 memcpy(rekey_data
.kck
, nla_data(tb
[NL80211_REKEY_DATA_KCK
]),
7582 memcpy(rekey_data
.replay_ctr
,
7583 nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]),
7584 NL80211_REPLAY_CTR_LEN
);
7587 if (!wdev
->current_bss
) {
7592 if (!rdev
->ops
->set_rekey_data
) {
7597 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
7603 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
7604 struct genl_info
*info
)
7606 struct net_device
*dev
= info
->user_ptr
[1];
7607 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7609 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
7610 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
7613 if (wdev
->ap_unexpected_nlportid
)
7616 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
7620 static int nl80211_probe_client(struct sk_buff
*skb
,
7621 struct genl_info
*info
)
7623 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7624 struct net_device
*dev
= info
->user_ptr
[1];
7625 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7626 struct sk_buff
*msg
;
7632 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
7633 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
7636 if (!info
->attrs
[NL80211_ATTR_MAC
])
7639 if (!rdev
->ops
->probe_client
)
7642 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7646 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7647 NL80211_CMD_PROBE_CLIENT
);
7654 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7656 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
7660 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7661 goto nla_put_failure
;
7663 genlmsg_end(msg
, hdr
);
7665 return genlmsg_reply(msg
, info
);
7674 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
7676 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7677 struct cfg80211_beacon_registration
*reg
, *nreg
;
7680 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
7683 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
7687 /* First, check if already registered. */
7688 spin_lock_bh(&rdev
->beacon_registrations_lock
);
7689 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
7690 if (reg
->nlportid
== info
->snd_portid
) {
7695 /* Add it to the list */
7696 nreg
->nlportid
= info
->snd_portid
;
7697 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
7699 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
7703 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
7708 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
7710 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7711 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7714 if (!rdev
->ops
->start_p2p_device
)
7717 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
7720 if (wdev
->p2p_started
)
7723 mutex_lock(&rdev
->devlist_mtx
);
7724 err
= cfg80211_can_add_interface(rdev
, wdev
->iftype
);
7725 mutex_unlock(&rdev
->devlist_mtx
);
7729 err
= rdev_start_p2p_device(rdev
, wdev
);
7733 wdev
->p2p_started
= true;
7734 mutex_lock(&rdev
->devlist_mtx
);
7736 mutex_unlock(&rdev
->devlist_mtx
);
7741 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
7743 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7744 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7746 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
7749 if (!rdev
->ops
->stop_p2p_device
)
7752 if (!wdev
->p2p_started
)
7755 rdev_stop_p2p_device(rdev
, wdev
);
7756 wdev
->p2p_started
= false;
7758 mutex_lock(&rdev
->devlist_mtx
);
7760 mutex_unlock(&rdev
->devlist_mtx
);
7762 if (WARN_ON(rdev
->scan_req
&& rdev
->scan_req
->wdev
== wdev
)) {
7763 rdev
->scan_req
->aborted
= true;
7764 ___cfg80211_scan_done(rdev
, true);
7770 #define NL80211_FLAG_NEED_WIPHY 0x01
7771 #define NL80211_FLAG_NEED_NETDEV 0x02
7772 #define NL80211_FLAG_NEED_RTNL 0x04
7773 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
7774 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
7775 NL80211_FLAG_CHECK_NETDEV_UP)
7776 #define NL80211_FLAG_NEED_WDEV 0x10
7777 /* If a netdev is associated, it must be UP, P2P must be started */
7778 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
7779 NL80211_FLAG_CHECK_NETDEV_UP)
7781 static int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
7782 struct genl_info
*info
)
7784 struct cfg80211_registered_device
*rdev
;
7785 struct wireless_dev
*wdev
;
7786 struct net_device
*dev
;
7787 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
7792 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
7793 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
7797 return PTR_ERR(rdev
);
7799 info
->user_ptr
[0] = rdev
;
7800 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
7801 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
7802 mutex_lock(&cfg80211_mutex
);
7803 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
7806 mutex_unlock(&cfg80211_mutex
);
7809 return PTR_ERR(wdev
);
7813 rdev
= wiphy_to_dev(wdev
->wiphy
);
7815 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
7817 mutex_unlock(&cfg80211_mutex
);
7823 info
->user_ptr
[1] = dev
;
7825 info
->user_ptr
[1] = wdev
;
7829 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
7830 !netif_running(dev
)) {
7831 mutex_unlock(&cfg80211_mutex
);
7838 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
7839 if (!wdev
->p2p_started
) {
7840 mutex_unlock(&cfg80211_mutex
);
7847 cfg80211_lock_rdev(rdev
);
7849 mutex_unlock(&cfg80211_mutex
);
7851 info
->user_ptr
[0] = rdev
;
7857 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
7858 struct genl_info
*info
)
7860 if (info
->user_ptr
[0])
7861 cfg80211_unlock_rdev(info
->user_ptr
[0]);
7862 if (info
->user_ptr
[1]) {
7863 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
7864 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7867 dev_put(wdev
->netdev
);
7869 dev_put(info
->user_ptr
[1]);
7872 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
7876 static struct genl_ops nl80211_ops
[] = {
7878 .cmd
= NL80211_CMD_GET_WIPHY
,
7879 .doit
= nl80211_get_wiphy
,
7880 .dumpit
= nl80211_dump_wiphy
,
7881 .policy
= nl80211_policy
,
7882 /* can be retrieved by unprivileged users */
7883 .internal_flags
= NL80211_FLAG_NEED_WIPHY
,
7886 .cmd
= NL80211_CMD_SET_WIPHY
,
7887 .doit
= nl80211_set_wiphy
,
7888 .policy
= nl80211_policy
,
7889 .flags
= GENL_ADMIN_PERM
,
7890 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
7893 .cmd
= NL80211_CMD_GET_INTERFACE
,
7894 .doit
= nl80211_get_interface
,
7895 .dumpit
= nl80211_dump_interface
,
7896 .policy
= nl80211_policy
,
7897 /* can be retrieved by unprivileged users */
7898 .internal_flags
= NL80211_FLAG_NEED_WDEV
,
7901 .cmd
= NL80211_CMD_SET_INTERFACE
,
7902 .doit
= nl80211_set_interface
,
7903 .policy
= nl80211_policy
,
7904 .flags
= GENL_ADMIN_PERM
,
7905 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7906 NL80211_FLAG_NEED_RTNL
,
7909 .cmd
= NL80211_CMD_NEW_INTERFACE
,
7910 .doit
= nl80211_new_interface
,
7911 .policy
= nl80211_policy
,
7912 .flags
= GENL_ADMIN_PERM
,
7913 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
7914 NL80211_FLAG_NEED_RTNL
,
7917 .cmd
= NL80211_CMD_DEL_INTERFACE
,
7918 .doit
= nl80211_del_interface
,
7919 .policy
= nl80211_policy
,
7920 .flags
= GENL_ADMIN_PERM
,
7921 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
7922 NL80211_FLAG_NEED_RTNL
,
7925 .cmd
= NL80211_CMD_GET_KEY
,
7926 .doit
= nl80211_get_key
,
7927 .policy
= nl80211_policy
,
7928 .flags
= GENL_ADMIN_PERM
,
7929 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7930 NL80211_FLAG_NEED_RTNL
,
7933 .cmd
= NL80211_CMD_SET_KEY
,
7934 .doit
= nl80211_set_key
,
7935 .policy
= nl80211_policy
,
7936 .flags
= GENL_ADMIN_PERM
,
7937 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7938 NL80211_FLAG_NEED_RTNL
,
7941 .cmd
= NL80211_CMD_NEW_KEY
,
7942 .doit
= nl80211_new_key
,
7943 .policy
= nl80211_policy
,
7944 .flags
= GENL_ADMIN_PERM
,
7945 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7946 NL80211_FLAG_NEED_RTNL
,
7949 .cmd
= NL80211_CMD_DEL_KEY
,
7950 .doit
= nl80211_del_key
,
7951 .policy
= nl80211_policy
,
7952 .flags
= GENL_ADMIN_PERM
,
7953 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7954 NL80211_FLAG_NEED_RTNL
,
7957 .cmd
= NL80211_CMD_SET_BEACON
,
7958 .policy
= nl80211_policy
,
7959 .flags
= GENL_ADMIN_PERM
,
7960 .doit
= nl80211_set_beacon
,
7961 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7962 NL80211_FLAG_NEED_RTNL
,
7965 .cmd
= NL80211_CMD_START_AP
,
7966 .policy
= nl80211_policy
,
7967 .flags
= GENL_ADMIN_PERM
,
7968 .doit
= nl80211_start_ap
,
7969 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7970 NL80211_FLAG_NEED_RTNL
,
7973 .cmd
= NL80211_CMD_STOP_AP
,
7974 .policy
= nl80211_policy
,
7975 .flags
= GENL_ADMIN_PERM
,
7976 .doit
= nl80211_stop_ap
,
7977 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7978 NL80211_FLAG_NEED_RTNL
,
7981 .cmd
= NL80211_CMD_GET_STATION
,
7982 .doit
= nl80211_get_station
,
7983 .dumpit
= nl80211_dump_station
,
7984 .policy
= nl80211_policy
,
7985 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
7986 NL80211_FLAG_NEED_RTNL
,
7989 .cmd
= NL80211_CMD_SET_STATION
,
7990 .doit
= nl80211_set_station
,
7991 .policy
= nl80211_policy
,
7992 .flags
= GENL_ADMIN_PERM
,
7993 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
7994 NL80211_FLAG_NEED_RTNL
,
7997 .cmd
= NL80211_CMD_NEW_STATION
,
7998 .doit
= nl80211_new_station
,
7999 .policy
= nl80211_policy
,
8000 .flags
= GENL_ADMIN_PERM
,
8001 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8002 NL80211_FLAG_NEED_RTNL
,
8005 .cmd
= NL80211_CMD_DEL_STATION
,
8006 .doit
= nl80211_del_station
,
8007 .policy
= nl80211_policy
,
8008 .flags
= GENL_ADMIN_PERM
,
8009 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8010 NL80211_FLAG_NEED_RTNL
,
8013 .cmd
= NL80211_CMD_GET_MPATH
,
8014 .doit
= nl80211_get_mpath
,
8015 .dumpit
= nl80211_dump_mpath
,
8016 .policy
= nl80211_policy
,
8017 .flags
= GENL_ADMIN_PERM
,
8018 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8019 NL80211_FLAG_NEED_RTNL
,
8022 .cmd
= NL80211_CMD_SET_MPATH
,
8023 .doit
= nl80211_set_mpath
,
8024 .policy
= nl80211_policy
,
8025 .flags
= GENL_ADMIN_PERM
,
8026 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8027 NL80211_FLAG_NEED_RTNL
,
8030 .cmd
= NL80211_CMD_NEW_MPATH
,
8031 .doit
= nl80211_new_mpath
,
8032 .policy
= nl80211_policy
,
8033 .flags
= GENL_ADMIN_PERM
,
8034 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8035 NL80211_FLAG_NEED_RTNL
,
8038 .cmd
= NL80211_CMD_DEL_MPATH
,
8039 .doit
= nl80211_del_mpath
,
8040 .policy
= nl80211_policy
,
8041 .flags
= GENL_ADMIN_PERM
,
8042 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8043 NL80211_FLAG_NEED_RTNL
,
8046 .cmd
= NL80211_CMD_SET_BSS
,
8047 .doit
= nl80211_set_bss
,
8048 .policy
= nl80211_policy
,
8049 .flags
= GENL_ADMIN_PERM
,
8050 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8051 NL80211_FLAG_NEED_RTNL
,
8054 .cmd
= NL80211_CMD_GET_REG
,
8055 .doit
= nl80211_get_reg
,
8056 .policy
= nl80211_policy
,
8057 /* can be retrieved by unprivileged users */
8060 .cmd
= NL80211_CMD_SET_REG
,
8061 .doit
= nl80211_set_reg
,
8062 .policy
= nl80211_policy
,
8063 .flags
= GENL_ADMIN_PERM
,
8066 .cmd
= NL80211_CMD_REQ_SET_REG
,
8067 .doit
= nl80211_req_set_reg
,
8068 .policy
= nl80211_policy
,
8069 .flags
= GENL_ADMIN_PERM
,
8072 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
8073 .doit
= nl80211_get_mesh_config
,
8074 .policy
= nl80211_policy
,
8075 /* can be retrieved by unprivileged users */
8076 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8077 NL80211_FLAG_NEED_RTNL
,
8080 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
8081 .doit
= nl80211_update_mesh_config
,
8082 .policy
= nl80211_policy
,
8083 .flags
= GENL_ADMIN_PERM
,
8084 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8085 NL80211_FLAG_NEED_RTNL
,
8088 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
8089 .doit
= nl80211_trigger_scan
,
8090 .policy
= nl80211_policy
,
8091 .flags
= GENL_ADMIN_PERM
,
8092 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
8093 NL80211_FLAG_NEED_RTNL
,
8096 .cmd
= NL80211_CMD_GET_SCAN
,
8097 .policy
= nl80211_policy
,
8098 .dumpit
= nl80211_dump_scan
,
8101 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
8102 .doit
= nl80211_start_sched_scan
,
8103 .policy
= nl80211_policy
,
8104 .flags
= GENL_ADMIN_PERM
,
8105 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8106 NL80211_FLAG_NEED_RTNL
,
8109 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
8110 .doit
= nl80211_stop_sched_scan
,
8111 .policy
= nl80211_policy
,
8112 .flags
= GENL_ADMIN_PERM
,
8113 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8114 NL80211_FLAG_NEED_RTNL
,
8117 .cmd
= NL80211_CMD_AUTHENTICATE
,
8118 .doit
= nl80211_authenticate
,
8119 .policy
= nl80211_policy
,
8120 .flags
= GENL_ADMIN_PERM
,
8121 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8122 NL80211_FLAG_NEED_RTNL
,
8125 .cmd
= NL80211_CMD_ASSOCIATE
,
8126 .doit
= nl80211_associate
,
8127 .policy
= nl80211_policy
,
8128 .flags
= GENL_ADMIN_PERM
,
8129 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8130 NL80211_FLAG_NEED_RTNL
,
8133 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
8134 .doit
= nl80211_deauthenticate
,
8135 .policy
= nl80211_policy
,
8136 .flags
= GENL_ADMIN_PERM
,
8137 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8138 NL80211_FLAG_NEED_RTNL
,
8141 .cmd
= NL80211_CMD_DISASSOCIATE
,
8142 .doit
= nl80211_disassociate
,
8143 .policy
= nl80211_policy
,
8144 .flags
= GENL_ADMIN_PERM
,
8145 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8146 NL80211_FLAG_NEED_RTNL
,
8149 .cmd
= NL80211_CMD_JOIN_IBSS
,
8150 .doit
= nl80211_join_ibss
,
8151 .policy
= nl80211_policy
,
8152 .flags
= GENL_ADMIN_PERM
,
8153 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8154 NL80211_FLAG_NEED_RTNL
,
8157 .cmd
= NL80211_CMD_LEAVE_IBSS
,
8158 .doit
= nl80211_leave_ibss
,
8159 .policy
= nl80211_policy
,
8160 .flags
= GENL_ADMIN_PERM
,
8161 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8162 NL80211_FLAG_NEED_RTNL
,
8164 #ifdef CONFIG_NL80211_TESTMODE
8166 .cmd
= NL80211_CMD_TESTMODE
,
8167 .doit
= nl80211_testmode_do
,
8168 .dumpit
= nl80211_testmode_dump
,
8169 .policy
= nl80211_policy
,
8170 .flags
= GENL_ADMIN_PERM
,
8171 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
8172 NL80211_FLAG_NEED_RTNL
,
8176 .cmd
= NL80211_CMD_CONNECT
,
8177 .doit
= nl80211_connect
,
8178 .policy
= nl80211_policy
,
8179 .flags
= GENL_ADMIN_PERM
,
8180 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8181 NL80211_FLAG_NEED_RTNL
,
8184 .cmd
= NL80211_CMD_DISCONNECT
,
8185 .doit
= nl80211_disconnect
,
8186 .policy
= nl80211_policy
,
8187 .flags
= GENL_ADMIN_PERM
,
8188 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8189 NL80211_FLAG_NEED_RTNL
,
8192 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
8193 .doit
= nl80211_wiphy_netns
,
8194 .policy
= nl80211_policy
,
8195 .flags
= GENL_ADMIN_PERM
,
8196 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
8197 NL80211_FLAG_NEED_RTNL
,
8200 .cmd
= NL80211_CMD_GET_SURVEY
,
8201 .policy
= nl80211_policy
,
8202 .dumpit
= nl80211_dump_survey
,
8205 .cmd
= NL80211_CMD_SET_PMKSA
,
8206 .doit
= nl80211_setdel_pmksa
,
8207 .policy
= nl80211_policy
,
8208 .flags
= GENL_ADMIN_PERM
,
8209 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8210 NL80211_FLAG_NEED_RTNL
,
8213 .cmd
= NL80211_CMD_DEL_PMKSA
,
8214 .doit
= nl80211_setdel_pmksa
,
8215 .policy
= nl80211_policy
,
8216 .flags
= GENL_ADMIN_PERM
,
8217 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8218 NL80211_FLAG_NEED_RTNL
,
8221 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
8222 .doit
= nl80211_flush_pmksa
,
8223 .policy
= nl80211_policy
,
8224 .flags
= GENL_ADMIN_PERM
,
8225 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8226 NL80211_FLAG_NEED_RTNL
,
8229 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
8230 .doit
= nl80211_remain_on_channel
,
8231 .policy
= nl80211_policy
,
8232 .flags
= GENL_ADMIN_PERM
,
8233 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
8234 NL80211_FLAG_NEED_RTNL
,
8237 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
8238 .doit
= nl80211_cancel_remain_on_channel
,
8239 .policy
= nl80211_policy
,
8240 .flags
= GENL_ADMIN_PERM
,
8241 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
8242 NL80211_FLAG_NEED_RTNL
,
8245 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
8246 .doit
= nl80211_set_tx_bitrate_mask
,
8247 .policy
= nl80211_policy
,
8248 .flags
= GENL_ADMIN_PERM
,
8249 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
8250 NL80211_FLAG_NEED_RTNL
,
8253 .cmd
= NL80211_CMD_REGISTER_FRAME
,
8254 .doit
= nl80211_register_mgmt
,
8255 .policy
= nl80211_policy
,
8256 .flags
= GENL_ADMIN_PERM
,
8257 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
8258 NL80211_FLAG_NEED_RTNL
,
8261 .cmd
= NL80211_CMD_FRAME
,
8262 .doit
= nl80211_tx_mgmt
,
8263 .policy
= nl80211_policy
,
8264 .flags
= GENL_ADMIN_PERM
,
8265 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
8266 NL80211_FLAG_NEED_RTNL
,
8269 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
8270 .doit
= nl80211_tx_mgmt_cancel_wait
,
8271 .policy
= nl80211_policy
,
8272 .flags
= GENL_ADMIN_PERM
,
8273 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
8274 NL80211_FLAG_NEED_RTNL
,
8277 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
8278 .doit
= nl80211_set_power_save
,
8279 .policy
= nl80211_policy
,
8280 .flags
= GENL_ADMIN_PERM
,
8281 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
8282 NL80211_FLAG_NEED_RTNL
,
8285 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
8286 .doit
= nl80211_get_power_save
,
8287 .policy
= nl80211_policy
,
8288 /* can be retrieved by unprivileged users */
8289 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
8290 NL80211_FLAG_NEED_RTNL
,
8293 .cmd
= NL80211_CMD_SET_CQM
,
8294 .doit
= nl80211_set_cqm
,
8295 .policy
= nl80211_policy
,
8296 .flags
= GENL_ADMIN_PERM
,
8297 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
8298 NL80211_FLAG_NEED_RTNL
,
8301 .cmd
= NL80211_CMD_SET_CHANNEL
,
8302 .doit
= nl80211_set_channel
,
8303 .policy
= nl80211_policy
,
8304 .flags
= GENL_ADMIN_PERM
,
8305 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
8306 NL80211_FLAG_NEED_RTNL
,
8309 .cmd
= NL80211_CMD_SET_WDS_PEER
,
8310 .doit
= nl80211_set_wds_peer
,
8311 .policy
= nl80211_policy
,
8312 .flags
= GENL_ADMIN_PERM
,
8313 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
8314 NL80211_FLAG_NEED_RTNL
,
8317 .cmd
= NL80211_CMD_JOIN_MESH
,
8318 .doit
= nl80211_join_mesh
,
8319 .policy
= nl80211_policy
,
8320 .flags
= GENL_ADMIN_PERM
,
8321 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8322 NL80211_FLAG_NEED_RTNL
,
8325 .cmd
= NL80211_CMD_LEAVE_MESH
,
8326 .doit
= nl80211_leave_mesh
,
8327 .policy
= nl80211_policy
,
8328 .flags
= GENL_ADMIN_PERM
,
8329 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8330 NL80211_FLAG_NEED_RTNL
,
8334 .cmd
= NL80211_CMD_GET_WOWLAN
,
8335 .doit
= nl80211_get_wowlan
,
8336 .policy
= nl80211_policy
,
8337 /* can be retrieved by unprivileged users */
8338 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
8339 NL80211_FLAG_NEED_RTNL
,
8342 .cmd
= NL80211_CMD_SET_WOWLAN
,
8343 .doit
= nl80211_set_wowlan
,
8344 .policy
= nl80211_policy
,
8345 .flags
= GENL_ADMIN_PERM
,
8346 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
8347 NL80211_FLAG_NEED_RTNL
,
8351 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
8352 .doit
= nl80211_set_rekey_data
,
8353 .policy
= nl80211_policy
,
8354 .flags
= GENL_ADMIN_PERM
,
8355 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8356 NL80211_FLAG_NEED_RTNL
,
8359 .cmd
= NL80211_CMD_TDLS_MGMT
,
8360 .doit
= nl80211_tdls_mgmt
,
8361 .policy
= nl80211_policy
,
8362 .flags
= GENL_ADMIN_PERM
,
8363 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8364 NL80211_FLAG_NEED_RTNL
,
8367 .cmd
= NL80211_CMD_TDLS_OPER
,
8368 .doit
= nl80211_tdls_oper
,
8369 .policy
= nl80211_policy
,
8370 .flags
= GENL_ADMIN_PERM
,
8371 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8372 NL80211_FLAG_NEED_RTNL
,
8375 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
8376 .doit
= nl80211_register_unexpected_frame
,
8377 .policy
= nl80211_policy
,
8378 .flags
= GENL_ADMIN_PERM
,
8379 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
8380 NL80211_FLAG_NEED_RTNL
,
8383 .cmd
= NL80211_CMD_PROBE_CLIENT
,
8384 .doit
= nl80211_probe_client
,
8385 .policy
= nl80211_policy
,
8386 .flags
= GENL_ADMIN_PERM
,
8387 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8388 NL80211_FLAG_NEED_RTNL
,
8391 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
8392 .doit
= nl80211_register_beacons
,
8393 .policy
= nl80211_policy
,
8394 .flags
= GENL_ADMIN_PERM
,
8395 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
8396 NL80211_FLAG_NEED_RTNL
,
8399 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
8400 .doit
= nl80211_set_noack_map
,
8401 .policy
= nl80211_policy
,
8402 .flags
= GENL_ADMIN_PERM
,
8403 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
8404 NL80211_FLAG_NEED_RTNL
,
8407 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
8408 .doit
= nl80211_start_p2p_device
,
8409 .policy
= nl80211_policy
,
8410 .flags
= GENL_ADMIN_PERM
,
8411 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
8412 NL80211_FLAG_NEED_RTNL
,
8415 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
8416 .doit
= nl80211_stop_p2p_device
,
8417 .policy
= nl80211_policy
,
8418 .flags
= GENL_ADMIN_PERM
,
8419 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
8420 NL80211_FLAG_NEED_RTNL
,
8423 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
8424 .doit
= nl80211_set_mcast_rate
,
8425 .policy
= nl80211_policy
,
8426 .flags
= GENL_ADMIN_PERM
,
8427 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
8428 NL80211_FLAG_NEED_RTNL
,
8431 .cmd
= NL80211_CMD_SET_MAC_ACL
,
8432 .doit
= nl80211_set_mac_acl
,
8433 .policy
= nl80211_policy
,
8434 .flags
= GENL_ADMIN_PERM
,
8435 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
8436 NL80211_FLAG_NEED_RTNL
,
8439 .cmd
= NL80211_CMD_RADAR_DETECT
,
8440 .doit
= nl80211_start_radar_detection
,
8441 .policy
= nl80211_policy
,
8442 .flags
= GENL_ADMIN_PERM
,
8443 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8444 NL80211_FLAG_NEED_RTNL
,
8448 static struct genl_multicast_group nl80211_mlme_mcgrp
= {
8452 /* multicast groups */
8453 static struct genl_multicast_group nl80211_config_mcgrp
= {
8456 static struct genl_multicast_group nl80211_scan_mcgrp
= {
8459 static struct genl_multicast_group nl80211_regulatory_mcgrp
= {
8460 .name
= "regulatory",
8463 /* notification functions */
8465 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
8467 struct sk_buff
*msg
;
8469 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8473 if (nl80211_send_wiphy(msg
, 0, 0, 0, rdev
) < 0) {
8478 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8479 nl80211_config_mcgrp
.id
, GFP_KERNEL
);
8482 static int nl80211_add_scan_req(struct sk_buff
*msg
,
8483 struct cfg80211_registered_device
*rdev
)
8485 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
8486 struct nlattr
*nest
;
8489 ASSERT_RDEV_LOCK(rdev
);
8494 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
8496 goto nla_put_failure
;
8497 for (i
= 0; i
< req
->n_ssids
; i
++) {
8498 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
8499 goto nla_put_failure
;
8501 nla_nest_end(msg
, nest
);
8503 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
8505 goto nla_put_failure
;
8506 for (i
= 0; i
< req
->n_channels
; i
++) {
8507 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
8508 goto nla_put_failure
;
8510 nla_nest_end(msg
, nest
);
8513 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
8514 goto nla_put_failure
;
8517 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
);
8524 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
8525 struct cfg80211_registered_device
*rdev
,
8526 struct wireless_dev
*wdev
,
8527 u32 portid
, u32 seq
, int flags
,
8532 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
8536 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8537 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
8538 wdev
->netdev
->ifindex
)) ||
8539 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
8540 goto nla_put_failure
;
8542 /* ignore errors and send incomplete event anyway */
8543 nl80211_add_scan_req(msg
, rdev
);
8545 return genlmsg_end(msg
, hdr
);
8548 genlmsg_cancel(msg
, hdr
);
8553 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
8554 struct cfg80211_registered_device
*rdev
,
8555 struct net_device
*netdev
,
8556 u32 portid
, u32 seq
, int flags
, u32 cmd
)
8560 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
8564 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8565 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
8566 goto nla_put_failure
;
8568 return genlmsg_end(msg
, hdr
);
8571 genlmsg_cancel(msg
, hdr
);
8575 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
8576 struct wireless_dev
*wdev
)
8578 struct sk_buff
*msg
;
8580 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8584 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
8585 NL80211_CMD_TRIGGER_SCAN
) < 0) {
8590 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8591 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
8594 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
8595 struct wireless_dev
*wdev
)
8597 struct sk_buff
*msg
;
8599 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8603 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
8604 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
8609 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8610 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
8613 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
8614 struct wireless_dev
*wdev
)
8616 struct sk_buff
*msg
;
8618 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8622 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
8623 NL80211_CMD_SCAN_ABORTED
) < 0) {
8628 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8629 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
8632 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
8633 struct net_device
*netdev
)
8635 struct sk_buff
*msg
;
8637 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8641 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
8642 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
8647 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8648 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
8651 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
8652 struct net_device
*netdev
, u32 cmd
)
8654 struct sk_buff
*msg
;
8656 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8660 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
8665 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8666 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
8670 * This can happen on global regulatory changes or device specific settings
8671 * based on custom world regulatory domains.
8673 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
8675 struct sk_buff
*msg
;
8678 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8682 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
8688 /* Userspace can always count this one always being set */
8689 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
8690 goto nla_put_failure
;
8692 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
8693 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
8694 NL80211_REGDOM_TYPE_WORLD
))
8695 goto nla_put_failure
;
8696 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
8697 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
8698 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
8699 goto nla_put_failure
;
8700 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
8701 request
->intersect
) {
8702 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
8703 NL80211_REGDOM_TYPE_INTERSECTION
))
8704 goto nla_put_failure
;
8706 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
8707 NL80211_REGDOM_TYPE_COUNTRY
) ||
8708 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
8710 goto nla_put_failure
;
8713 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
&&
8714 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
8715 goto nla_put_failure
;
8717 genlmsg_end(msg
, hdr
);
8720 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
8727 genlmsg_cancel(msg
, hdr
);
8731 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
8732 struct net_device
*netdev
,
8733 const u8
*buf
, size_t len
,
8734 enum nl80211_commands cmd
, gfp_t gfp
)
8736 struct sk_buff
*msg
;
8739 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8743 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
8749 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8750 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8751 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
8752 goto nla_put_failure
;
8754 genlmsg_end(msg
, hdr
);
8756 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8757 nl80211_mlme_mcgrp
.id
, gfp
);
8761 genlmsg_cancel(msg
, hdr
);
8765 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
8766 struct net_device
*netdev
, const u8
*buf
,
8767 size_t len
, gfp_t gfp
)
8769 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
8770 NL80211_CMD_AUTHENTICATE
, gfp
);
8773 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
8774 struct net_device
*netdev
, const u8
*buf
,
8775 size_t len
, gfp_t gfp
)
8777 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
8778 NL80211_CMD_ASSOCIATE
, gfp
);
8781 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
8782 struct net_device
*netdev
, const u8
*buf
,
8783 size_t len
, gfp_t gfp
)
8785 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
8786 NL80211_CMD_DEAUTHENTICATE
, gfp
);
8789 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
8790 struct net_device
*netdev
, const u8
*buf
,
8791 size_t len
, gfp_t gfp
)
8793 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
8794 NL80211_CMD_DISASSOCIATE
, gfp
);
8797 void nl80211_send_unprot_deauth(struct cfg80211_registered_device
*rdev
,
8798 struct net_device
*netdev
, const u8
*buf
,
8799 size_t len
, gfp_t gfp
)
8801 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
8802 NL80211_CMD_UNPROT_DEAUTHENTICATE
, gfp
);
8805 void nl80211_send_unprot_disassoc(struct cfg80211_registered_device
*rdev
,
8806 struct net_device
*netdev
, const u8
*buf
,
8807 size_t len
, gfp_t gfp
)
8809 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
8810 NL80211_CMD_UNPROT_DISASSOCIATE
, gfp
);
8813 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
8814 struct net_device
*netdev
, int cmd
,
8815 const u8
*addr
, gfp_t gfp
)
8817 struct sk_buff
*msg
;
8820 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8824 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
8830 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8831 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8832 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
8833 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
8834 goto nla_put_failure
;
8836 genlmsg_end(msg
, hdr
);
8838 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8839 nl80211_mlme_mcgrp
.id
, gfp
);
8843 genlmsg_cancel(msg
, hdr
);
8847 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
8848 struct net_device
*netdev
, const u8
*addr
,
8851 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
8855 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
8856 struct net_device
*netdev
, const u8
*addr
,
8859 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
8863 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
8864 struct net_device
*netdev
, const u8
*bssid
,
8865 const u8
*req_ie
, size_t req_ie_len
,
8866 const u8
*resp_ie
, size_t resp_ie_len
,
8867 u16 status
, gfp_t gfp
)
8869 struct sk_buff
*msg
;
8872 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8876 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
8882 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8883 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8884 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
8885 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
8887 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
8889 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
8890 goto nla_put_failure
;
8892 genlmsg_end(msg
, hdr
);
8894 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8895 nl80211_mlme_mcgrp
.id
, gfp
);
8899 genlmsg_cancel(msg
, hdr
);
8904 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
8905 struct net_device
*netdev
, const u8
*bssid
,
8906 const u8
*req_ie
, size_t req_ie_len
,
8907 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
8909 struct sk_buff
*msg
;
8912 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8916 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
8922 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8923 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8924 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
8926 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
8928 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
8929 goto nla_put_failure
;
8931 genlmsg_end(msg
, hdr
);
8933 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8934 nl80211_mlme_mcgrp
.id
, gfp
);
8938 genlmsg_cancel(msg
, hdr
);
8943 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
8944 struct net_device
*netdev
, u16 reason
,
8945 const u8
*ie
, size_t ie_len
, bool from_ap
)
8947 struct sk_buff
*msg
;
8950 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8954 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
8960 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8961 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8962 (from_ap
&& reason
&&
8963 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
8965 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
8966 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
8967 goto nla_put_failure
;
8969 genlmsg_end(msg
, hdr
);
8971 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8972 nl80211_mlme_mcgrp
.id
, GFP_KERNEL
);
8976 genlmsg_cancel(msg
, hdr
);
8981 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
8982 struct net_device
*netdev
, const u8
*bssid
,
8985 struct sk_buff
*msg
;
8988 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
8992 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
8998 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8999 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
9000 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
9001 goto nla_put_failure
;
9003 genlmsg_end(msg
, hdr
);
9005 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9006 nl80211_mlme_mcgrp
.id
, gfp
);
9010 genlmsg_cancel(msg
, hdr
);
9014 void nl80211_send_new_peer_candidate(struct cfg80211_registered_device
*rdev
,
9015 struct net_device
*netdev
,
9016 const u8
*macaddr
, const u8
* ie
, u8 ie_len
,
9019 struct sk_buff
*msg
;
9022 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9026 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
9032 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9033 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
9034 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, macaddr
) ||
9036 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
9037 goto nla_put_failure
;
9039 genlmsg_end(msg
, hdr
);
9041 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9042 nl80211_mlme_mcgrp
.id
, gfp
);
9046 genlmsg_cancel(msg
, hdr
);
9050 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
9051 struct net_device
*netdev
, const u8
*addr
,
9052 enum nl80211_key_type key_type
, int key_id
,
9053 const u8
*tsc
, gfp_t gfp
)
9055 struct sk_buff
*msg
;
9058 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9062 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
9068 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9069 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
9070 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
9071 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
9073 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
9074 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
9075 goto nla_put_failure
;
9077 genlmsg_end(msg
, hdr
);
9079 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9080 nl80211_mlme_mcgrp
.id
, gfp
);
9084 genlmsg_cancel(msg
, hdr
);
9088 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
9089 struct ieee80211_channel
*channel_before
,
9090 struct ieee80211_channel
*channel_after
)
9092 struct sk_buff
*msg
;
9094 struct nlattr
*nl_freq
;
9096 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
9100 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
9107 * Since we are applying the beacon hint to a wiphy we know its
9108 * wiphy_idx is valid
9110 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
9111 goto nla_put_failure
;
9114 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
9116 goto nla_put_failure
;
9117 if (nl80211_msg_put_channel(msg
, channel_before
))
9118 goto nla_put_failure
;
9119 nla_nest_end(msg
, nl_freq
);
9122 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
9124 goto nla_put_failure
;
9125 if (nl80211_msg_put_channel(msg
, channel_after
))
9126 goto nla_put_failure
;
9127 nla_nest_end(msg
, nl_freq
);
9129 genlmsg_end(msg
, hdr
);
9132 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
9139 genlmsg_cancel(msg
, hdr
);
9143 static void nl80211_send_remain_on_chan_event(
9144 int cmd
, struct cfg80211_registered_device
*rdev
,
9145 struct wireless_dev
*wdev
, u64 cookie
,
9146 struct ieee80211_channel
*chan
,
9147 unsigned int duration
, gfp_t gfp
)
9149 struct sk_buff
*msg
;
9152 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9156 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
9162 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9163 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
9164 wdev
->netdev
->ifindex
)) ||
9165 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
9166 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
9167 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
9168 NL80211_CHAN_NO_HT
) ||
9169 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
9170 goto nla_put_failure
;
9172 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
9173 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
9174 goto nla_put_failure
;
9176 genlmsg_end(msg
, hdr
);
9178 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9179 nl80211_mlme_mcgrp
.id
, gfp
);
9183 genlmsg_cancel(msg
, hdr
);
9187 void nl80211_send_remain_on_channel(struct cfg80211_registered_device
*rdev
,
9188 struct wireless_dev
*wdev
, u64 cookie
,
9189 struct ieee80211_channel
*chan
,
9190 unsigned int duration
, gfp_t gfp
)
9192 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
9193 rdev
, wdev
, cookie
, chan
,
9197 void nl80211_send_remain_on_channel_cancel(
9198 struct cfg80211_registered_device
*rdev
,
9199 struct wireless_dev
*wdev
,
9200 u64 cookie
, struct ieee80211_channel
*chan
, gfp_t gfp
)
9202 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
9203 rdev
, wdev
, cookie
, chan
, 0, gfp
);
9206 void nl80211_send_sta_event(struct cfg80211_registered_device
*rdev
,
9207 struct net_device
*dev
, const u8
*mac_addr
,
9208 struct station_info
*sinfo
, gfp_t gfp
)
9210 struct sk_buff
*msg
;
9212 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9216 if (nl80211_send_station(msg
, 0, 0, 0,
9217 rdev
, dev
, mac_addr
, sinfo
) < 0) {
9222 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9223 nl80211_mlme_mcgrp
.id
, gfp
);
9226 void nl80211_send_sta_del_event(struct cfg80211_registered_device
*rdev
,
9227 struct net_device
*dev
, const u8
*mac_addr
,
9230 struct sk_buff
*msg
;
9233 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9237 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
9243 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
9244 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
9245 goto nla_put_failure
;
9247 genlmsg_end(msg
, hdr
);
9249 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9250 nl80211_mlme_mcgrp
.id
, gfp
);
9254 genlmsg_cancel(msg
, hdr
);
9258 void nl80211_send_conn_failed_event(struct cfg80211_registered_device
*rdev
,
9259 struct net_device
*dev
, const u8
*mac_addr
,
9260 enum nl80211_connect_failed_reason reason
,
9263 struct sk_buff
*msg
;
9266 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
9270 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
9276 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
9277 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
9278 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
9279 goto nla_put_failure
;
9281 genlmsg_end(msg
, hdr
);
9283 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9284 nl80211_mlme_mcgrp
.id
, gfp
);
9288 genlmsg_cancel(msg
, hdr
);
9292 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
9293 const u8
*addr
, gfp_t gfp
)
9295 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9296 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
9297 struct sk_buff
*msg
;
9300 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
9305 msg
= nlmsg_new(100, gfp
);
9309 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
9315 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9316 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
9317 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
9318 goto nla_put_failure
;
9320 err
= genlmsg_end(msg
, hdr
);
9326 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
9330 genlmsg_cancel(msg
, hdr
);
9335 bool nl80211_unexpected_frame(struct net_device
*dev
, const u8
*addr
, gfp_t gfp
)
9337 return __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
9341 bool nl80211_unexpected_4addr_frame(struct net_device
*dev
,
9342 const u8
*addr
, gfp_t gfp
)
9344 return __nl80211_unexpected_frame(dev
,
9345 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
9349 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
9350 struct wireless_dev
*wdev
, u32 nlportid
,
9351 int freq
, int sig_dbm
,
9352 const u8
*buf
, size_t len
, gfp_t gfp
)
9354 struct net_device
*netdev
= wdev
->netdev
;
9355 struct sk_buff
*msg
;
9358 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9362 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
9368 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9369 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
9370 netdev
->ifindex
)) ||
9371 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
9373 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
9374 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
9375 goto nla_put_failure
;
9377 genlmsg_end(msg
, hdr
);
9379 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
9382 genlmsg_cancel(msg
, hdr
);
9387 void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device
*rdev
,
9388 struct wireless_dev
*wdev
, u64 cookie
,
9389 const u8
*buf
, size_t len
, bool ack
,
9392 struct net_device
*netdev
= wdev
->netdev
;
9393 struct sk_buff
*msg
;
9396 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9400 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
9406 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9407 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
9408 netdev
->ifindex
)) ||
9409 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
9410 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
9411 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
9412 goto nla_put_failure
;
9414 genlmsg_end(msg
, hdr
);
9416 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, gfp
);
9420 genlmsg_cancel(msg
, hdr
);
9425 nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device
*rdev
,
9426 struct net_device
*netdev
,
9427 enum nl80211_cqm_rssi_threshold_event rssi_event
,
9430 struct sk_buff
*msg
;
9431 struct nlattr
*pinfoattr
;
9434 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9438 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
9444 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9445 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
9446 goto nla_put_failure
;
9448 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
9450 goto nla_put_failure
;
9452 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
9454 goto nla_put_failure
;
9456 nla_nest_end(msg
, pinfoattr
);
9458 genlmsg_end(msg
, hdr
);
9460 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9461 nl80211_mlme_mcgrp
.id
, gfp
);
9465 genlmsg_cancel(msg
, hdr
);
9469 void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
9470 struct net_device
*netdev
, const u8
*bssid
,
9471 const u8
*replay_ctr
, gfp_t gfp
)
9473 struct sk_buff
*msg
;
9474 struct nlattr
*rekey_attr
;
9477 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9481 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
9487 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9488 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
9489 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
9490 goto nla_put_failure
;
9492 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
9494 goto nla_put_failure
;
9496 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
9497 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
9498 goto nla_put_failure
;
9500 nla_nest_end(msg
, rekey_attr
);
9502 genlmsg_end(msg
, hdr
);
9504 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9505 nl80211_mlme_mcgrp
.id
, gfp
);
9509 genlmsg_cancel(msg
, hdr
);
9513 void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
9514 struct net_device
*netdev
, int index
,
9515 const u8
*bssid
, bool preauth
, gfp_t gfp
)
9517 struct sk_buff
*msg
;
9518 struct nlattr
*attr
;
9521 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9525 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
9531 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9532 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
9533 goto nla_put_failure
;
9535 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
9537 goto nla_put_failure
;
9539 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
9540 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
9542 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
9543 goto nla_put_failure
;
9545 nla_nest_end(msg
, attr
);
9547 genlmsg_end(msg
, hdr
);
9549 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9550 nl80211_mlme_mcgrp
.id
, gfp
);
9554 genlmsg_cancel(msg
, hdr
);
9558 void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
9559 struct net_device
*netdev
,
9560 struct cfg80211_chan_def
*chandef
, gfp_t gfp
)
9562 struct sk_buff
*msg
;
9565 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9569 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY
);
9575 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
9576 goto nla_put_failure
;
9578 if (nl80211_send_chandef(msg
, chandef
))
9579 goto nla_put_failure
;
9581 genlmsg_end(msg
, hdr
);
9583 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9584 nl80211_mlme_mcgrp
.id
, gfp
);
9588 genlmsg_cancel(msg
, hdr
);
9593 nl80211_send_cqm_txe_notify(struct cfg80211_registered_device
*rdev
,
9594 struct net_device
*netdev
, const u8
*peer
,
9595 u32 num_packets
, u32 rate
, u32 intvl
, gfp_t gfp
)
9597 struct sk_buff
*msg
;
9598 struct nlattr
*pinfoattr
;
9601 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
9605 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
9611 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9612 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
9613 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
9614 goto nla_put_failure
;
9616 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
9618 goto nla_put_failure
;
9620 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
9621 goto nla_put_failure
;
9623 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
9624 goto nla_put_failure
;
9626 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
9627 goto nla_put_failure
;
9629 nla_nest_end(msg
, pinfoattr
);
9631 genlmsg_end(msg
, hdr
);
9633 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9634 nl80211_mlme_mcgrp
.id
, gfp
);
9638 genlmsg_cancel(msg
, hdr
);
9643 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
9644 struct cfg80211_chan_def
*chandef
,
9645 enum nl80211_radar_event event
,
9646 struct net_device
*netdev
, gfp_t gfp
)
9648 struct sk_buff
*msg
;
9651 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9655 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
9661 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
9662 goto nla_put_failure
;
9664 /* NOP and radar events don't need a netdev parameter */
9666 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
9668 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
9669 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
9670 goto nla_put_failure
;
9673 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
9674 goto nla_put_failure
;
9676 if (nl80211_send_chandef(msg
, chandef
))
9677 goto nla_put_failure
;
9679 if (genlmsg_end(msg
, hdr
) < 0) {
9684 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9685 nl80211_mlme_mcgrp
.id
, gfp
);
9689 genlmsg_cancel(msg
, hdr
);
9694 nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device
*rdev
,
9695 struct net_device
*netdev
, const u8
*peer
,
9696 u32 num_packets
, gfp_t gfp
)
9698 struct sk_buff
*msg
;
9699 struct nlattr
*pinfoattr
;
9702 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9706 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
9712 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9713 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
9714 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
9715 goto nla_put_failure
;
9717 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
9719 goto nla_put_failure
;
9721 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
9722 goto nla_put_failure
;
9724 nla_nest_end(msg
, pinfoattr
);
9726 genlmsg_end(msg
, hdr
);
9728 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9729 nl80211_mlme_mcgrp
.id
, gfp
);
9733 genlmsg_cancel(msg
, hdr
);
9737 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
9738 u64 cookie
, bool acked
, gfp_t gfp
)
9740 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9741 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
9742 struct sk_buff
*msg
;
9746 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
9748 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9753 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
9759 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9760 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
9761 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
9762 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
9763 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
9764 goto nla_put_failure
;
9766 err
= genlmsg_end(msg
, hdr
);
9772 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9773 nl80211_mlme_mcgrp
.id
, gfp
);
9777 genlmsg_cancel(msg
, hdr
);
9780 EXPORT_SYMBOL(cfg80211_probe_status
);
9782 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
9783 const u8
*frame
, size_t len
,
9784 int freq
, int sig_dbm
)
9786 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
9787 struct sk_buff
*msg
;
9789 struct cfg80211_beacon_registration
*reg
;
9791 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
9793 spin_lock_bh(&rdev
->beacon_registrations_lock
);
9794 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
9795 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
9797 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9801 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
9803 goto nla_put_failure
;
9805 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9807 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
9809 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
9810 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
9811 goto nla_put_failure
;
9813 genlmsg_end(msg
, hdr
);
9815 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
9817 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9821 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
9823 genlmsg_cancel(msg
, hdr
);
9826 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
9829 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
9830 struct cfg80211_wowlan_wakeup
*wakeup
,
9833 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
9834 struct sk_buff
*msg
;
9836 int err
, size
= 200;
9838 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
9841 size
+= wakeup
->packet_present_len
;
9843 msg
= nlmsg_new(size
, gfp
);
9847 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
9851 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9852 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
9855 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
9856 wdev
->netdev
->ifindex
))
9860 struct nlattr
*reasons
;
9862 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
9864 if (wakeup
->disconnect
&&
9865 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
9867 if (wakeup
->magic_pkt
&&
9868 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
9870 if (wakeup
->gtk_rekey_failure
&&
9871 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
9873 if (wakeup
->eap_identity_req
&&
9874 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
9876 if (wakeup
->four_way_handshake
&&
9877 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
9879 if (wakeup
->rfkill_release
&&
9880 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
9883 if (wakeup
->pattern_idx
>= 0 &&
9884 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
9885 wakeup
->pattern_idx
))
9888 if (wakeup
->tcp_match
)
9889 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
);
9891 if (wakeup
->tcp_connlost
)
9893 NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
);
9895 if (wakeup
->tcp_nomoretokens
)
9897 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
);
9899 if (wakeup
->packet
) {
9900 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
9901 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
9903 if (!wakeup
->packet_80211
) {
9905 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
9907 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
9910 if (wakeup
->packet_len
&&
9911 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
9914 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
9919 nla_nest_end(msg
, reasons
);
9922 err
= genlmsg_end(msg
, hdr
);
9926 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9927 nl80211_mlme_mcgrp
.id
, gfp
);
9933 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
9936 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
9937 enum nl80211_tdls_operation oper
,
9938 u16 reason_code
, gfp_t gfp
)
9940 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9941 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
9942 struct sk_buff
*msg
;
9946 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
9949 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9953 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
9959 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9960 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
9961 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
9962 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
9964 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
9965 goto nla_put_failure
;
9967 err
= genlmsg_end(msg
, hdr
);
9973 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9974 nl80211_mlme_mcgrp
.id
, gfp
);
9978 genlmsg_cancel(msg
, hdr
);
9981 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
9983 static int nl80211_netlink_notify(struct notifier_block
* nb
,
9984 unsigned long state
,
9987 struct netlink_notify
*notify
= _notify
;
9988 struct cfg80211_registered_device
*rdev
;
9989 struct wireless_dev
*wdev
;
9990 struct cfg80211_beacon_registration
*reg
, *tmp
;
9992 if (state
!= NETLINK_URELEASE
)
9997 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
9998 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
)
9999 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
10001 spin_lock_bh(&rdev
->beacon_registrations_lock
);
10002 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
10004 if (reg
->nlportid
== notify
->portid
) {
10005 list_del(®
->list
);
10010 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
10015 return NOTIFY_DONE
;
10018 static struct notifier_block nl80211_netlink_notifier
= {
10019 .notifier_call
= nl80211_netlink_notify
,
10022 /* initialisation/exit functions */
10024 int nl80211_init(void)
10028 err
= genl_register_family_with_ops(&nl80211_fam
,
10029 nl80211_ops
, ARRAY_SIZE(nl80211_ops
));
10033 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_config_mcgrp
);
10037 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_scan_mcgrp
);
10041 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_regulatory_mcgrp
);
10045 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_mlme_mcgrp
);
10049 #ifdef CONFIG_NL80211_TESTMODE
10050 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_testmode_mcgrp
);
10055 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
10061 genl_unregister_family(&nl80211_fam
);
10065 void nl80211_exit(void)
10067 netlink_unregister_notifier(&nl80211_netlink_notifier
);
10068 genl_unregister_family(&nl80211_fam
);