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_GENL_NAME
, /* 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
];
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 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
84 if (have_ifidx
&& wdev
->netdev
&&
85 wdev
->netdev
->ifindex
== ifidx
) {
89 if (have_wdev_id
&& wdev
->identifier
== (u32
)wdev_id
) {
101 return ERR_PTR(-ENODEV
);
104 static struct cfg80211_registered_device
*
105 __cfg80211_rdev_from_attrs(struct net
*netns
, struct nlattr
**attrs
)
107 struct cfg80211_registered_device
*rdev
= NULL
, *tmp
;
108 struct net_device
*netdev
;
112 if (!attrs
[NL80211_ATTR_WIPHY
] &&
113 !attrs
[NL80211_ATTR_IFINDEX
] &&
114 !attrs
[NL80211_ATTR_WDEV
])
115 return ERR_PTR(-EINVAL
);
117 if (attrs
[NL80211_ATTR_WIPHY
])
118 rdev
= cfg80211_rdev_by_wiphy_idx(
119 nla_get_u32(attrs
[NL80211_ATTR_WIPHY
]));
121 if (attrs
[NL80211_ATTR_WDEV
]) {
122 u64 wdev_id
= nla_get_u64(attrs
[NL80211_ATTR_WDEV
]);
123 struct wireless_dev
*wdev
;
126 tmp
= cfg80211_rdev_by_wiphy_idx(wdev_id
>> 32);
128 /* make sure wdev exists */
129 list_for_each_entry(wdev
, &tmp
->wdev_list
, list
) {
130 if (wdev
->identifier
!= (u32
)wdev_id
)
139 if (rdev
&& tmp
!= rdev
)
140 return ERR_PTR(-EINVAL
);
145 if (attrs
[NL80211_ATTR_IFINDEX
]) {
146 int ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
147 netdev
= dev_get_by_index(netns
, ifindex
);
149 if (netdev
->ieee80211_ptr
)
151 netdev
->ieee80211_ptr
->wiphy
);
157 /* not wireless device -- return error */
159 return ERR_PTR(-EINVAL
);
161 /* mismatch -- return error */
162 if (rdev
&& tmp
!= rdev
)
163 return ERR_PTR(-EINVAL
);
170 return ERR_PTR(-ENODEV
);
172 if (netns
!= wiphy_net(&rdev
->wiphy
))
173 return ERR_PTR(-ENODEV
);
179 * This function returns a pointer to the driver
180 * that the genl_info item that is passed refers to.
182 * The result of this can be a PTR_ERR and hence must
183 * be checked with IS_ERR() for errors.
185 static struct cfg80211_registered_device
*
186 cfg80211_get_dev_from_info(struct net
*netns
, struct genl_info
*info
)
188 return __cfg80211_rdev_from_attrs(netns
, info
->attrs
);
191 /* policy for the attributes */
192 static const struct nla_policy nl80211_policy
[NL80211_ATTR_MAX
+1] = {
193 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
194 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
196 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
198 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
199 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
200 [NL80211_ATTR_CHANNEL_WIDTH
] = { .type
= NLA_U32
},
201 [NL80211_ATTR_CENTER_FREQ1
] = { .type
= NLA_U32
},
202 [NL80211_ATTR_CENTER_FREQ2
] = { .type
= NLA_U32
},
204 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
205 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
206 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
207 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
208 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
210 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
211 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
212 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
214 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
215 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
217 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
218 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
219 .len
= WLAN_MAX_KEY_LEN
},
220 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
221 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
222 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
223 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
224 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
226 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
227 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
228 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
229 .len
= IEEE80211_MAX_DATA_LEN
},
230 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
231 .len
= IEEE80211_MAX_DATA_LEN
},
232 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
233 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
234 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
235 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
236 .len
= NL80211_MAX_SUPP_RATES
},
237 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
238 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
239 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
240 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
241 .len
= IEEE80211_MAX_MESH_ID_LEN
},
242 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
244 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
245 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
247 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
248 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
249 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
250 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
251 .len
= NL80211_MAX_SUPP_RATES
},
252 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
254 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
255 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
257 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
259 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
260 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
261 .len
= IEEE80211_MAX_DATA_LEN
},
262 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
263 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
265 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
266 .len
= IEEE80211_MAX_SSID_LEN
},
267 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
268 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
269 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
270 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
271 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
272 [NL80211_ATTR_STA_FLAGS2
] = {
273 .len
= sizeof(struct nl80211_sta_flag_update
),
275 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
276 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
277 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
278 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
279 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
280 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
281 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
282 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
283 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
284 .len
= WLAN_PMKID_LEN
},
285 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
286 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
287 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
288 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
289 .len
= IEEE80211_MAX_DATA_LEN
},
290 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
291 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
292 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
293 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
294 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
295 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
296 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
297 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
298 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
299 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
300 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
301 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
302 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
303 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
304 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
305 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
306 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
307 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
308 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
309 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
310 .len
= IEEE80211_MAX_DATA_LEN
},
311 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
312 .len
= IEEE80211_MAX_DATA_LEN
},
313 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
314 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
315 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
316 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
317 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
318 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
319 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
320 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
321 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
322 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
323 .len
= IEEE80211_MAX_DATA_LEN
},
324 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
325 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
326 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
327 .len
= NL80211_HT_CAPABILITY_LEN
329 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
330 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
331 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
332 [NL80211_ATTR_WDEV
] = { .type
= NLA_U64
},
333 [NL80211_ATTR_USER_REG_HINT_TYPE
] = { .type
= NLA_U32
},
334 [NL80211_ATTR_SAE_DATA
] = { .type
= NLA_BINARY
, },
335 [NL80211_ATTR_VHT_CAPABILITY
] = { .len
= NL80211_VHT_CAPABILITY_LEN
},
336 [NL80211_ATTR_SCAN_FLAGS
] = { .type
= NLA_U32
},
337 [NL80211_ATTR_P2P_CTWINDOW
] = { .type
= NLA_U8
},
338 [NL80211_ATTR_P2P_OPPPS
] = { .type
= NLA_U8
},
339 [NL80211_ATTR_ACL_POLICY
] = {. type
= NLA_U32
},
340 [NL80211_ATTR_MAC_ADDRS
] = { .type
= NLA_NESTED
},
341 [NL80211_ATTR_STA_CAPABILITY
] = { .type
= NLA_U16
},
342 [NL80211_ATTR_STA_EXT_CAPABILITY
] = { .type
= NLA_BINARY
, },
343 [NL80211_ATTR_SPLIT_WIPHY_DUMP
] = { .type
= NLA_FLAG
, },
344 [NL80211_ATTR_DISABLE_VHT
] = { .type
= NLA_FLAG
},
345 [NL80211_ATTR_VHT_CAPABILITY_MASK
] = {
346 .len
= NL80211_VHT_CAPABILITY_LEN
,
348 [NL80211_ATTR_MDID
] = { .type
= NLA_U16
},
349 [NL80211_ATTR_IE_RIC
] = { .type
= NLA_BINARY
,
350 .len
= IEEE80211_MAX_DATA_LEN
},
351 [NL80211_ATTR_PEER_AID
] = { .type
= NLA_U16
},
352 [NL80211_ATTR_CH_SWITCH_COUNT
] = { .type
= NLA_U32
},
353 [NL80211_ATTR_CH_SWITCH_BLOCK_TX
] = { .type
= NLA_FLAG
},
354 [NL80211_ATTR_CSA_IES
] = { .type
= NLA_NESTED
},
355 [NL80211_ATTR_CSA_C_OFF_BEACON
] = { .type
= NLA_U16
},
356 [NL80211_ATTR_CSA_C_OFF_PRESP
] = { .type
= NLA_U16
},
357 [NL80211_ATTR_STA_SUPPORTED_CHANNELS
] = { .type
= NLA_BINARY
},
358 [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
] = { .type
= NLA_BINARY
},
359 [NL80211_ATTR_HANDLE_DFS
] = { .type
= NLA_FLAG
},
360 [NL80211_ATTR_OPMODE_NOTIF
] = { .type
= NLA_U8
},
363 /* policy for the key attributes */
364 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
365 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
366 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
367 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
368 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
369 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
370 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
371 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
372 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
375 /* policy for the key default flags */
376 static const struct nla_policy
377 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
378 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
379 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
382 /* policy for WoWLAN attributes */
383 static const struct nla_policy
384 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
385 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
386 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
387 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
388 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
389 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
390 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
391 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
392 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
393 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
396 static const struct nla_policy
397 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
398 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
399 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
400 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
401 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
402 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
403 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
404 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
405 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
407 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
408 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
410 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
411 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
412 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
415 /* policy for coalesce rule attributes */
416 static const struct nla_policy
417 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
418 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
419 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
420 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
423 /* policy for GTK rekey offload attributes */
424 static const struct nla_policy
425 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
426 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
427 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
428 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
431 static const struct nla_policy
432 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
433 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
434 .len
= IEEE80211_MAX_SSID_LEN
},
435 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
438 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
439 struct netlink_callback
*cb
,
440 struct cfg80211_registered_device
**rdev
,
441 struct wireless_dev
**wdev
)
448 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
449 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
454 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
455 nl80211_fam
.attrbuf
);
457 err
= PTR_ERR(*wdev
);
460 *rdev
= wiphy_to_dev((*wdev
)->wiphy
);
461 /* 0 is the first index - add 1 to parse only once */
462 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
463 cb
->args
[1] = (*wdev
)->identifier
;
465 /* subtract the 1 again here */
466 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
467 struct wireless_dev
*tmp
;
473 *rdev
= wiphy_to_dev(wiphy
);
476 list_for_each_entry(tmp
, &(*rdev
)->wdev_list
, list
) {
477 if (tmp
->identifier
== cb
->args
[1]) {
495 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
501 static bool is_valid_ie_attr(const struct nlattr
*attr
)
509 pos
= nla_data(attr
);
530 /* message building helper */
531 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
534 /* since there is no private header just add the generic one */
535 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
538 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
539 struct ieee80211_channel
*chan
,
542 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
544 goto nla_put_failure
;
546 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
547 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
548 goto nla_put_failure
;
549 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
550 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
551 goto nla_put_failure
;
552 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
553 goto nla_put_failure
;
555 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
556 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
557 goto nla_put_failure
;
561 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
563 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
565 goto nla_put_failure
;
566 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
568 goto nla_put_failure
;
573 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
574 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
575 goto nla_put_failure
;
576 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
577 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
578 goto nla_put_failure
;
579 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
580 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
581 goto nla_put_failure
;
582 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
583 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
584 goto nla_put_failure
;
587 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
588 DBM_TO_MBM(chan
->max_power
)))
589 goto nla_put_failure
;
597 /* netlink command implementations */
604 bool def_uni
, def_multi
;
607 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
609 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
610 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
615 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
616 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
625 if (tb
[NL80211_KEY_IDX
])
626 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
628 if (tb
[NL80211_KEY_DATA
]) {
629 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
630 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
633 if (tb
[NL80211_KEY_SEQ
]) {
634 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
635 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
638 if (tb
[NL80211_KEY_CIPHER
])
639 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
641 if (tb
[NL80211_KEY_TYPE
]) {
642 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
643 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
647 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
648 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
649 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
650 tb
[NL80211_KEY_DEFAULT_TYPES
],
651 nl80211_key_default_policy
);
655 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
656 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
662 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
664 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
665 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
666 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
669 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
670 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
671 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
674 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
675 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
677 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
678 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
680 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
681 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
690 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
691 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
692 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
696 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
697 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
698 int err
= nla_parse_nested(
699 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
700 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
701 nl80211_key_default_policy
);
705 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
706 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
712 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
716 memset(k
, 0, sizeof(*k
));
720 if (info
->attrs
[NL80211_ATTR_KEY
])
721 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
723 err
= nl80211_parse_key_old(info
, k
);
728 if (k
->def
&& k
->defmgmt
)
732 if (k
->def_uni
|| !k
->def_multi
)
738 if (k
->idx
< 4 || k
->idx
> 5)
741 if (k
->idx
< 0 || k
->idx
> 3)
744 if (k
->idx
< 0 || k
->idx
> 5)
752 static struct cfg80211_cached_keys
*
753 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
754 struct nlattr
*keys
, bool *no_ht
)
756 struct key_parse parse
;
758 struct cfg80211_cached_keys
*result
;
759 int rem
, err
, def
= 0;
761 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
763 return ERR_PTR(-ENOMEM
);
766 result
->defmgmt
= -1;
768 nla_for_each_nested(key
, keys
, rem
) {
769 memset(&parse
, 0, sizeof(parse
));
772 err
= nl80211_parse_key_new(key
, &parse
);
778 if (parse
.idx
< 0 || parse
.idx
> 4)
784 result
->def
= parse
.idx
;
785 if (!parse
.def_uni
|| !parse
.def_multi
)
787 } else if (parse
.defmgmt
)
789 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
790 parse
.idx
, false, NULL
);
793 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
794 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
795 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
796 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
798 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
799 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
811 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
813 ASSERT_WDEV_LOCK(wdev
);
815 switch (wdev
->iftype
) {
816 case NL80211_IFTYPE_AP
:
817 case NL80211_IFTYPE_AP_VLAN
:
818 case NL80211_IFTYPE_P2P_GO
:
819 case NL80211_IFTYPE_MESH_POINT
:
821 case NL80211_IFTYPE_ADHOC
:
822 case NL80211_IFTYPE_STATION
:
823 case NL80211_IFTYPE_P2P_CLIENT
:
824 if (!wdev
->current_bss
)
834 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
836 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
840 goto nla_put_failure
;
844 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
845 goto nla_put_failure
;
850 nla_nest_end(msg
, nl_modes
);
857 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
861 struct nlattr
*nl_combis
;
864 nl_combis
= nla_nest_start(msg
,
865 NL80211_ATTR_INTERFACE_COMBINATIONS
);
867 goto nla_put_failure
;
869 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
870 const struct ieee80211_iface_combination
*c
;
871 struct nlattr
*nl_combi
, *nl_limits
;
873 c
= &wiphy
->iface_combinations
[i
];
875 nl_combi
= nla_nest_start(msg
, i
+ 1);
877 goto nla_put_failure
;
879 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
881 goto nla_put_failure
;
883 for (j
= 0; j
< c
->n_limits
; j
++) {
884 struct nlattr
*nl_limit
;
886 nl_limit
= nla_nest_start(msg
, j
+ 1);
888 goto nla_put_failure
;
889 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
891 goto nla_put_failure
;
892 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
894 goto nla_put_failure
;
895 nla_nest_end(msg
, nl_limit
);
898 nla_nest_end(msg
, nl_limits
);
900 if (c
->beacon_int_infra_match
&&
901 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
902 goto nla_put_failure
;
903 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
904 c
->num_different_channels
) ||
905 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
907 goto nla_put_failure
;
909 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
910 c
->radar_detect_widths
))
911 goto nla_put_failure
;
913 nla_nest_end(msg
, nl_combi
);
916 nla_nest_end(msg
, nl_combis
);
924 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
927 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
928 struct nlattr
*nl_tcp
;
933 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
937 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
938 tcp
->data_payload_max
))
941 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
942 tcp
->data_payload_max
))
945 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
948 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
949 sizeof(*tcp
->tok
), tcp
->tok
))
952 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
953 tcp
->data_interval_max
))
956 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
957 tcp
->wake_payload_max
))
960 nla_nest_end(msg
, nl_tcp
);
964 static int nl80211_send_wowlan(struct sk_buff
*msg
,
965 struct cfg80211_registered_device
*dev
,
968 struct nlattr
*nl_wowlan
;
970 if (!dev
->wiphy
.wowlan
)
973 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
977 if (((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
978 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
979 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
980 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
981 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
982 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
983 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
984 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
985 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
986 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
987 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
988 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
989 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
990 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
991 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
992 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
995 if (dev
->wiphy
.wowlan
->n_patterns
) {
996 struct nl80211_pattern_support pat
= {
997 .max_patterns
= dev
->wiphy
.wowlan
->n_patterns
,
998 .min_pattern_len
= dev
->wiphy
.wowlan
->pattern_min_len
,
999 .max_pattern_len
= dev
->wiphy
.wowlan
->pattern_max_len
,
1000 .max_pkt_offset
= dev
->wiphy
.wowlan
->max_pkt_offset
,
1003 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1008 if (large
&& nl80211_send_wowlan_tcp_caps(dev
, msg
))
1011 nla_nest_end(msg
, nl_wowlan
);
1017 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1018 struct cfg80211_registered_device
*dev
)
1020 struct nl80211_coalesce_rule_support rule
;
1022 if (!dev
->wiphy
.coalesce
)
1025 rule
.max_rules
= dev
->wiphy
.coalesce
->n_rules
;
1026 rule
.max_delay
= dev
->wiphy
.coalesce
->max_delay
;
1027 rule
.pat
.max_patterns
= dev
->wiphy
.coalesce
->n_patterns
;
1028 rule
.pat
.min_pattern_len
= dev
->wiphy
.coalesce
->pattern_min_len
;
1029 rule
.pat
.max_pattern_len
= dev
->wiphy
.coalesce
->pattern_max_len
;
1030 rule
.pat
.max_pkt_offset
= dev
->wiphy
.coalesce
->max_pkt_offset
;
1032 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1038 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1039 struct ieee80211_supported_band
*sband
)
1041 struct nlattr
*nl_rates
, *nl_rate
;
1042 struct ieee80211_rate
*rate
;
1046 if (sband
->ht_cap
.ht_supported
&&
1047 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1048 sizeof(sband
->ht_cap
.mcs
),
1049 &sband
->ht_cap
.mcs
) ||
1050 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1051 sband
->ht_cap
.cap
) ||
1052 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1053 sband
->ht_cap
.ampdu_factor
) ||
1054 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1055 sband
->ht_cap
.ampdu_density
)))
1059 if (sband
->vht_cap
.vht_supported
&&
1060 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1061 sizeof(sband
->vht_cap
.vht_mcs
),
1062 &sband
->vht_cap
.vht_mcs
) ||
1063 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1064 sband
->vht_cap
.cap
)))
1068 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1072 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1073 nl_rate
= nla_nest_start(msg
, i
);
1077 rate
= &sband
->bitrates
[i
];
1078 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1081 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1083 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1086 nla_nest_end(msg
, nl_rate
);
1089 nla_nest_end(msg
, nl_rates
);
1095 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1096 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1099 struct nlattr
*nl_ftypes
, *nl_ifs
;
1100 enum nl80211_iftype ift
;
1106 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1110 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1111 nl_ftypes
= nla_nest_start(msg
, ift
);
1115 stypes
= mgmt_stypes
[ift
].tx
;
1118 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1119 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1124 nla_nest_end(msg
, nl_ftypes
);
1127 nla_nest_end(msg
, nl_ifs
);
1129 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1133 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1134 nl_ftypes
= nla_nest_start(msg
, ift
);
1138 stypes
= mgmt_stypes
[ift
].rx
;
1141 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1142 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1147 nla_nest_end(msg
, nl_ftypes
);
1149 nla_nest_end(msg
, nl_ifs
);
1154 struct nl80211_dump_wiphy_state
{
1157 long split_start
, band_start
, chan_start
;
1161 static int nl80211_send_wiphy(struct cfg80211_registered_device
*dev
,
1162 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1163 int flags
, struct nl80211_dump_wiphy_state
*state
)
1166 struct nlattr
*nl_bands
, *nl_band
;
1167 struct nlattr
*nl_freqs
, *nl_freq
;
1168 struct nlattr
*nl_cmds
;
1169 enum ieee80211_band band
;
1170 struct ieee80211_channel
*chan
;
1172 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1173 dev
->wiphy
.mgmt_stypes
;
1176 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_WIPHY
);
1180 if (WARN_ON(!state
))
1183 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, dev
->wiphy_idx
) ||
1184 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1185 wiphy_name(&dev
->wiphy
)) ||
1186 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1187 cfg80211_rdev_list_generation
))
1188 goto nla_put_failure
;
1190 switch (state
->split_start
) {
1192 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1193 dev
->wiphy
.retry_short
) ||
1194 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1195 dev
->wiphy
.retry_long
) ||
1196 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1197 dev
->wiphy
.frag_threshold
) ||
1198 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1199 dev
->wiphy
.rts_threshold
) ||
1200 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1201 dev
->wiphy
.coverage_class
) ||
1202 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1203 dev
->wiphy
.max_scan_ssids
) ||
1204 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1205 dev
->wiphy
.max_sched_scan_ssids
) ||
1206 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1207 dev
->wiphy
.max_scan_ie_len
) ||
1208 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1209 dev
->wiphy
.max_sched_scan_ie_len
) ||
1210 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1211 dev
->wiphy
.max_match_sets
))
1212 goto nla_put_failure
;
1214 if ((dev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1215 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1216 goto nla_put_failure
;
1217 if ((dev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1218 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1219 goto nla_put_failure
;
1220 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1221 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1222 goto nla_put_failure
;
1223 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1224 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1225 goto nla_put_failure
;
1226 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1227 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1228 goto nla_put_failure
;
1229 if ((dev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1230 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1231 goto nla_put_failure
;
1232 state
->split_start
++;
1236 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1237 sizeof(u32
) * dev
->wiphy
.n_cipher_suites
,
1238 dev
->wiphy
.cipher_suites
))
1239 goto nla_put_failure
;
1241 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1242 dev
->wiphy
.max_num_pmkids
))
1243 goto nla_put_failure
;
1245 if ((dev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1246 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1247 goto nla_put_failure
;
1249 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1250 dev
->wiphy
.available_antennas_tx
) ||
1251 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1252 dev
->wiphy
.available_antennas_rx
))
1253 goto nla_put_failure
;
1255 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1256 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1257 dev
->wiphy
.probe_resp_offload
))
1258 goto nla_put_failure
;
1260 if ((dev
->wiphy
.available_antennas_tx
||
1261 dev
->wiphy
.available_antennas_rx
) &&
1262 dev
->ops
->get_antenna
) {
1263 u32 tx_ant
= 0, rx_ant
= 0;
1265 res
= rdev_get_antenna(dev
, &tx_ant
, &rx_ant
);
1267 if (nla_put_u32(msg
,
1268 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1271 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1273 goto nla_put_failure
;
1277 state
->split_start
++;
1281 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1282 dev
->wiphy
.interface_modes
))
1283 goto nla_put_failure
;
1284 state
->split_start
++;
1288 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1290 goto nla_put_failure
;
1292 for (band
= state
->band_start
;
1293 band
< IEEE80211_NUM_BANDS
; band
++) {
1294 struct ieee80211_supported_band
*sband
;
1296 sband
= dev
->wiphy
.bands
[band
];
1301 nl_band
= nla_nest_start(msg
, band
);
1303 goto nla_put_failure
;
1305 switch (state
->chan_start
) {
1307 if (nl80211_send_band_rateinfo(msg
, sband
))
1308 goto nla_put_failure
;
1309 state
->chan_start
++;
1313 /* add frequencies */
1314 nl_freqs
= nla_nest_start(
1315 msg
, NL80211_BAND_ATTR_FREQS
);
1317 goto nla_put_failure
;
1319 for (i
= state
->chan_start
- 1;
1320 i
< sband
->n_channels
;
1322 nl_freq
= nla_nest_start(msg
, i
);
1324 goto nla_put_failure
;
1326 chan
= &sband
->channels
[i
];
1328 if (nl80211_msg_put_channel(
1331 goto nla_put_failure
;
1333 nla_nest_end(msg
, nl_freq
);
1337 if (i
< sband
->n_channels
)
1338 state
->chan_start
= i
+ 2;
1340 state
->chan_start
= 0;
1341 nla_nest_end(msg
, nl_freqs
);
1344 nla_nest_end(msg
, nl_band
);
1347 /* start again here */
1348 if (state
->chan_start
)
1353 nla_nest_end(msg
, nl_bands
);
1355 if (band
< IEEE80211_NUM_BANDS
)
1356 state
->band_start
= band
+ 1;
1358 state
->band_start
= 0;
1360 /* if bands & channels are done, continue outside */
1361 if (state
->band_start
== 0 && state
->chan_start
== 0)
1362 state
->split_start
++;
1366 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1368 goto nla_put_failure
;
1371 #define CMD(op, n) \
1373 if (dev->ops->op) { \
1375 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1376 goto nla_put_failure; \
1380 CMD(add_virtual_intf
, NEW_INTERFACE
);
1381 CMD(change_virtual_intf
, SET_INTERFACE
);
1382 CMD(add_key
, NEW_KEY
);
1383 CMD(start_ap
, START_AP
);
1384 CMD(add_station
, NEW_STATION
);
1385 CMD(add_mpath
, NEW_MPATH
);
1386 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1387 CMD(change_bss
, SET_BSS
);
1388 CMD(auth
, AUTHENTICATE
);
1389 CMD(assoc
, ASSOCIATE
);
1390 CMD(deauth
, DEAUTHENTICATE
);
1391 CMD(disassoc
, DISASSOCIATE
);
1392 CMD(join_ibss
, JOIN_IBSS
);
1393 CMD(join_mesh
, JOIN_MESH
);
1394 CMD(set_pmksa
, SET_PMKSA
);
1395 CMD(del_pmksa
, DEL_PMKSA
);
1396 CMD(flush_pmksa
, FLUSH_PMKSA
);
1397 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1398 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1399 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1400 CMD(mgmt_tx
, FRAME
);
1401 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1402 if (dev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1404 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1405 goto nla_put_failure
;
1407 if (dev
->ops
->set_monitor_channel
|| dev
->ops
->start_ap
||
1408 dev
->ops
->join_mesh
) {
1410 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1411 goto nla_put_failure
;
1413 CMD(set_wds_peer
, SET_WDS_PEER
);
1414 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1415 CMD(tdls_mgmt
, TDLS_MGMT
);
1416 CMD(tdls_oper
, TDLS_OPER
);
1418 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1419 CMD(sched_scan_start
, START_SCHED_SCAN
);
1420 CMD(probe_client
, PROBE_CLIENT
);
1421 CMD(set_noack_map
, SET_NOACK_MAP
);
1422 if (dev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1424 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1425 goto nla_put_failure
;
1427 CMD(start_p2p_device
, START_P2P_DEVICE
);
1428 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1430 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1431 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1432 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1433 CMD(channel_switch
, CHANNEL_SWITCH
);
1436 #ifdef CONFIG_NL80211_TESTMODE
1437 CMD(testmode_cmd
, TESTMODE
);
1442 if (dev
->ops
->connect
|| dev
->ops
->auth
) {
1444 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1445 goto nla_put_failure
;
1448 if (dev
->ops
->disconnect
|| dev
->ops
->deauth
) {
1450 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1451 goto nla_put_failure
;
1454 nla_nest_end(msg
, nl_cmds
);
1455 state
->split_start
++;
1459 if (dev
->ops
->remain_on_channel
&&
1460 (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1462 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1463 dev
->wiphy
.max_remain_on_channel_duration
))
1464 goto nla_put_failure
;
1466 if ((dev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1467 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1468 goto nla_put_failure
;
1470 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1471 goto nla_put_failure
;
1472 state
->split_start
++;
1477 if (nl80211_send_wowlan(msg
, dev
, state
->split
))
1478 goto nla_put_failure
;
1479 state
->split_start
++;
1483 state
->split_start
++;
1486 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1487 dev
->wiphy
.software_iftypes
))
1488 goto nla_put_failure
;
1490 if (nl80211_put_iface_combinations(&dev
->wiphy
, msg
,
1492 goto nla_put_failure
;
1494 state
->split_start
++;
1498 if ((dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1499 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1500 dev
->wiphy
.ap_sme_capa
))
1501 goto nla_put_failure
;
1503 features
= dev
->wiphy
.features
;
1505 * We can only add the per-channel limit information if the
1506 * dump is split, otherwise it makes it too big. Therefore
1507 * only advertise it in that case.
1510 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1511 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1512 goto nla_put_failure
;
1514 if (dev
->wiphy
.ht_capa_mod_mask
&&
1515 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1516 sizeof(*dev
->wiphy
.ht_capa_mod_mask
),
1517 dev
->wiphy
.ht_capa_mod_mask
))
1518 goto nla_put_failure
;
1520 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1521 dev
->wiphy
.max_acl_mac_addrs
&&
1522 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1523 dev
->wiphy
.max_acl_mac_addrs
))
1524 goto nla_put_failure
;
1527 * Any information below this point is only available to
1528 * applications that can deal with it being split. This
1529 * helps ensure that newly added capabilities don't break
1530 * older tools by overrunning their buffers.
1532 * We still increment split_start so that in the split
1533 * case we'll continue with more data in the next round,
1534 * but break unconditionally so unsplit data stops here.
1536 state
->split_start
++;
1539 if (dev
->wiphy
.extended_capabilities
&&
1540 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1541 dev
->wiphy
.extended_capabilities_len
,
1542 dev
->wiphy
.extended_capabilities
) ||
1543 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1544 dev
->wiphy
.extended_capabilities_len
,
1545 dev
->wiphy
.extended_capabilities_mask
)))
1546 goto nla_put_failure
;
1548 if (dev
->wiphy
.vht_capa_mod_mask
&&
1549 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1550 sizeof(*dev
->wiphy
.vht_capa_mod_mask
),
1551 dev
->wiphy
.vht_capa_mod_mask
))
1552 goto nla_put_failure
;
1554 state
->split_start
++;
1557 if (nl80211_send_coalesce(msg
, dev
))
1558 goto nla_put_failure
;
1560 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1561 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
1562 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
1563 goto nla_put_failure
;
1566 state
->split_start
= 0;
1569 return genlmsg_end(msg
, hdr
);
1572 genlmsg_cancel(msg
, hdr
);
1576 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1577 struct netlink_callback
*cb
,
1578 struct nl80211_dump_wiphy_state
*state
)
1580 struct nlattr
**tb
= nl80211_fam
.attrbuf
;
1581 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1582 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1583 /* ignore parse errors for backward compatibility */
1587 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1588 if (tb
[NL80211_ATTR_WIPHY
])
1589 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1590 if (tb
[NL80211_ATTR_WDEV
])
1591 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1592 if (tb
[NL80211_ATTR_IFINDEX
]) {
1593 struct net_device
*netdev
;
1594 struct cfg80211_registered_device
*rdev
;
1595 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1597 netdev
= dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1600 if (netdev
->ieee80211_ptr
) {
1601 rdev
= wiphy_to_dev(
1602 netdev
->ieee80211_ptr
->wiphy
);
1603 state
->filter_wiphy
= rdev
->wiphy_idx
;
1611 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1614 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1615 struct cfg80211_registered_device
*dev
;
1619 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1624 state
->filter_wiphy
= -1;
1625 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1631 cb
->args
[0] = (long)state
;
1634 list_for_each_entry(dev
, &cfg80211_rdev_list
, list
) {
1635 if (!net_eq(wiphy_net(&dev
->wiphy
), sock_net(skb
->sk
)))
1637 if (++idx
<= state
->start
)
1639 if (state
->filter_wiphy
!= -1 &&
1640 state
->filter_wiphy
!= dev
->wiphy_idx
)
1642 /* attempt to fit multiple wiphy data chunks into the skb */
1644 ret
= nl80211_send_wiphy(dev
, skb
,
1645 NETLINK_CB(cb
->skb
).portid
,
1647 NLM_F_MULTI
, state
);
1650 * If sending the wiphy data didn't fit (ENOBUFS
1651 * or EMSGSIZE returned), this SKB is still
1652 * empty (so it's not too big because another
1653 * wiphy dataset is already in the skb) and
1654 * we've not tried to adjust the dump allocation
1655 * yet ... then adjust the alloc size to be
1656 * bigger, and return 1 but with the empty skb.
1657 * This results in an empty message being RX'ed
1658 * in userspace, but that is ignored.
1660 * We can then retry with the larger buffer.
1662 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1664 cb
->min_dump_alloc
< 4096) {
1665 cb
->min_dump_alloc
= 4096;
1672 } while (state
->split_start
> 0);
1682 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1684 kfree((void *)cb
->args
[0]);
1688 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1690 struct sk_buff
*msg
;
1691 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1692 struct nl80211_dump_wiphy_state state
= {};
1694 msg
= nlmsg_new(4096, GFP_KERNEL
);
1698 if (nl80211_send_wiphy(dev
, msg
, info
->snd_portid
, info
->snd_seq
, 0,
1704 return genlmsg_reply(msg
, info
);
1707 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1708 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1709 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1710 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1711 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1712 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1715 static int parse_txq_params(struct nlattr
*tb
[],
1716 struct ieee80211_txq_params
*txq_params
)
1718 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1719 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1720 !tb
[NL80211_TXQ_ATTR_AIFS
])
1723 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1724 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1725 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1726 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1727 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1729 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1735 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1738 * You can only set the channel explicitly for WDS interfaces,
1739 * all others have their channel managed via their respective
1740 * "establish a connection" command (connect, join, ...)
1742 * For AP/GO and mesh mode, the channel can be set with the
1743 * channel userspace API, but is only stored and passed to the
1744 * low-level driver when the AP starts or the mesh is joined.
1745 * This is for backward compatibility, userspace can also give
1746 * the channel in the start-ap or join-mesh commands instead.
1748 * Monitors are special as they are normally slaved to
1749 * whatever else is going on, so they have their own special
1750 * operation to set the monitor channel if possible.
1753 wdev
->iftype
== NL80211_IFTYPE_AP
||
1754 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1755 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1756 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1759 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1760 struct genl_info
*info
,
1761 struct cfg80211_chan_def
*chandef
)
1765 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1768 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1770 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1771 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1772 chandef
->center_freq1
= control_freq
;
1773 chandef
->center_freq2
= 0;
1775 /* Primary channel not allowed */
1776 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1779 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1780 enum nl80211_channel_type chantype
;
1782 chantype
= nla_get_u32(
1783 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1786 case NL80211_CHAN_NO_HT
:
1787 case NL80211_CHAN_HT20
:
1788 case NL80211_CHAN_HT40PLUS
:
1789 case NL80211_CHAN_HT40MINUS
:
1790 cfg80211_chandef_create(chandef
, chandef
->chan
,
1796 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
1798 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
1799 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
1800 chandef
->center_freq1
=
1802 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
1803 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
1804 chandef
->center_freq2
=
1806 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
1809 if (!cfg80211_chandef_valid(chandef
))
1812 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
1813 IEEE80211_CHAN_DISABLED
))
1816 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
1817 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
1818 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1824 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1825 struct wireless_dev
*wdev
,
1826 struct genl_info
*info
)
1828 struct cfg80211_chan_def chandef
;
1830 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1833 iftype
= wdev
->iftype
;
1835 if (!nl80211_can_set_dev_channel(wdev
))
1838 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
1843 case NL80211_IFTYPE_AP
:
1844 case NL80211_IFTYPE_P2P_GO
:
1845 if (wdev
->beacon_interval
) {
1849 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
)) {
1853 wdev
->preset_chandef
= chandef
;
1856 case NL80211_IFTYPE_MESH_POINT
:
1857 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
1859 case NL80211_IFTYPE_MONITOR
:
1860 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
1869 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
1871 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1872 struct net_device
*netdev
= info
->user_ptr
[1];
1874 return __nl80211_set_channel(rdev
, netdev
->ieee80211_ptr
, info
);
1877 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
1879 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1880 struct net_device
*dev
= info
->user_ptr
[1];
1881 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1884 if (!info
->attrs
[NL80211_ATTR_MAC
])
1887 if (netif_running(dev
))
1890 if (!rdev
->ops
->set_wds_peer
)
1893 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
1896 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1897 return rdev_set_wds_peer(rdev
, dev
, bssid
);
1901 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1903 struct cfg80211_registered_device
*rdev
;
1904 struct net_device
*netdev
= NULL
;
1905 struct wireless_dev
*wdev
;
1906 int result
= 0, rem_txq_params
= 0;
1907 struct nlattr
*nl_txq_params
;
1909 u8 retry_short
= 0, retry_long
= 0;
1910 u32 frag_threshold
= 0, rts_threshold
= 0;
1911 u8 coverage_class
= 0;
1916 * Try to find the wiphy and netdev. Normally this
1917 * function shouldn't need the netdev, but this is
1918 * done for backward compatibility -- previously
1919 * setting the channel was done per wiphy, but now
1920 * it is per netdev. Previous userland like hostapd
1921 * also passed a netdev to set_wiphy, so that it is
1922 * possible to let that go to the right netdev!
1925 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
1926 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
1928 netdev
= dev_get_by_index(genl_info_net(info
), ifindex
);
1929 if (netdev
&& netdev
->ieee80211_ptr
)
1930 rdev
= wiphy_to_dev(netdev
->ieee80211_ptr
->wiphy
);
1936 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
1939 return PTR_ERR(rdev
);
1944 wdev
= netdev
->ieee80211_ptr
;
1947 * end workaround code, by now the rdev is available
1948 * and locked, and wdev may or may not be NULL.
1951 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
1952 result
= cfg80211_dev_rename(
1953 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
1958 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
1959 struct ieee80211_txq_params txq_params
;
1960 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
1962 if (!rdev
->ops
->set_txq_params
) {
1963 result
= -EOPNOTSUPP
;
1972 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
1973 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
1978 if (!netif_running(netdev
)) {
1983 nla_for_each_nested(nl_txq_params
,
1984 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
1986 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
1987 nla_data(nl_txq_params
),
1988 nla_len(nl_txq_params
),
1990 result
= parse_txq_params(tb
, &txq_params
);
1994 result
= rdev_set_txq_params(rdev
, netdev
,
2001 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2002 result
= __nl80211_set_channel(rdev
,
2003 nl80211_can_set_dev_channel(wdev
) ? wdev
: NULL
,
2009 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2010 struct wireless_dev
*txp_wdev
= wdev
;
2011 enum nl80211_tx_power_setting type
;
2014 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2017 if (!rdev
->ops
->set_tx_power
) {
2018 result
= -EOPNOTSUPP
;
2022 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2023 type
= nla_get_u32(info
->attrs
[idx
]);
2025 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2026 (type
!= NL80211_TX_POWER_AUTOMATIC
)) {
2031 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2032 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2033 mbm
= nla_get_u32(info
->attrs
[idx
]);
2036 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2041 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2042 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2044 if ((!rdev
->wiphy
.available_antennas_tx
&&
2045 !rdev
->wiphy
.available_antennas_rx
) ||
2046 !rdev
->ops
->set_antenna
) {
2047 result
= -EOPNOTSUPP
;
2051 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2052 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2054 /* reject antenna configurations which don't match the
2055 * available antenna masks, except for the "all" mask */
2056 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2057 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
))) {
2062 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2063 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2065 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2072 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2073 retry_short
= nla_get_u8(
2074 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2075 if (retry_short
== 0) {
2079 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2082 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2083 retry_long
= nla_get_u8(
2084 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2085 if (retry_long
== 0) {
2089 changed
|= WIPHY_PARAM_RETRY_LONG
;
2092 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2093 frag_threshold
= nla_get_u32(
2094 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2095 if (frag_threshold
< 256) {
2099 if (frag_threshold
!= (u32
) -1) {
2101 * Fragments (apart from the last one) are required to
2102 * have even length. Make the fragmentation code
2103 * simpler by stripping LSB should someone try to use
2104 * odd threshold value.
2106 frag_threshold
&= ~0x1;
2108 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2111 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2112 rts_threshold
= nla_get_u32(
2113 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2114 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2117 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2118 coverage_class
= nla_get_u8(
2119 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2120 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2124 u8 old_retry_short
, old_retry_long
;
2125 u32 old_frag_threshold
, old_rts_threshold
;
2126 u8 old_coverage_class
;
2128 if (!rdev
->ops
->set_wiphy_params
) {
2129 result
= -EOPNOTSUPP
;
2133 old_retry_short
= rdev
->wiphy
.retry_short
;
2134 old_retry_long
= rdev
->wiphy
.retry_long
;
2135 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2136 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2137 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2139 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2140 rdev
->wiphy
.retry_short
= retry_short
;
2141 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2142 rdev
->wiphy
.retry_long
= retry_long
;
2143 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2144 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2145 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2146 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2147 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2148 rdev
->wiphy
.coverage_class
= coverage_class
;
2150 result
= rdev_set_wiphy_params(rdev
, changed
);
2152 rdev
->wiphy
.retry_short
= old_retry_short
;
2153 rdev
->wiphy
.retry_long
= old_retry_long
;
2154 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2155 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2156 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2166 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2168 return (u64
)wdev
->identifier
|
2169 ((u64
)wiphy_to_dev(wdev
->wiphy
)->wiphy_idx
<< 32);
2172 static int nl80211_send_chandef(struct sk_buff
*msg
,
2173 const struct cfg80211_chan_def
*chandef
)
2175 WARN_ON(!cfg80211_chandef_valid(chandef
));
2177 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2178 chandef
->chan
->center_freq
))
2180 switch (chandef
->width
) {
2181 case NL80211_CHAN_WIDTH_20_NOHT
:
2182 case NL80211_CHAN_WIDTH_20
:
2183 case NL80211_CHAN_WIDTH_40
:
2184 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2185 cfg80211_get_chandef_type(chandef
)))
2191 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2193 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2195 if (chandef
->center_freq2
&&
2196 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2201 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2202 struct cfg80211_registered_device
*rdev
,
2203 struct wireless_dev
*wdev
)
2205 struct net_device
*dev
= wdev
->netdev
;
2208 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
2213 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2214 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2215 goto nla_put_failure
;
2217 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2218 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2219 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
2220 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2221 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2222 rdev
->devlist_generation
^
2223 (cfg80211_rdev_list_generation
<< 2)))
2224 goto nla_put_failure
;
2226 if (rdev
->ops
->get_channel
) {
2228 struct cfg80211_chan_def chandef
;
2230 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2232 if (nl80211_send_chandef(msg
, &chandef
))
2233 goto nla_put_failure
;
2237 if (wdev
->ssid_len
) {
2238 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2239 goto nla_put_failure
;
2242 return genlmsg_end(msg
, hdr
);
2245 genlmsg_cancel(msg
, hdr
);
2249 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2253 int wp_start
= cb
->args
[0];
2254 int if_start
= cb
->args
[1];
2255 struct cfg80211_registered_device
*rdev
;
2256 struct wireless_dev
*wdev
;
2259 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2260 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2262 if (wp_idx
< wp_start
) {
2268 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2269 if (if_idx
< if_start
) {
2273 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2274 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2286 cb
->args
[0] = wp_idx
;
2287 cb
->args
[1] = if_idx
;
2292 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2294 struct sk_buff
*msg
;
2295 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
2296 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2298 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2302 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2308 return genlmsg_reply(msg
, info
);
2311 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2312 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2313 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2314 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2315 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2316 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2317 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2320 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2322 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2330 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2331 nla
, mntr_flags_policy
))
2334 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2336 *mntrflags
|= (1<<flag
);
2341 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2342 struct net_device
*netdev
, u8 use_4addr
,
2343 enum nl80211_iftype iftype
)
2346 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2352 case NL80211_IFTYPE_AP_VLAN
:
2353 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2356 case NL80211_IFTYPE_STATION
:
2357 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2367 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2369 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2370 struct vif_params params
;
2372 enum nl80211_iftype otype
, ntype
;
2373 struct net_device
*dev
= info
->user_ptr
[1];
2374 u32 _flags
, *flags
= NULL
;
2375 bool change
= false;
2377 memset(¶ms
, 0, sizeof(params
));
2379 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2381 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2382 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2385 if (ntype
> NL80211_IFTYPE_MAX
)
2389 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2390 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2392 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2394 if (netif_running(dev
))
2398 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2399 IEEE80211_MAX_MESH_ID_LEN
);
2400 wdev
->mesh_id_up_len
=
2401 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2402 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2403 wdev
->mesh_id_up_len
);
2407 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2408 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2410 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2414 params
.use_4addr
= -1;
2417 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2418 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2420 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2429 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2430 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2434 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2438 if (!err
&& params
.use_4addr
!= -1)
2439 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2444 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2446 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2447 struct vif_params params
;
2448 struct wireless_dev
*wdev
;
2449 struct sk_buff
*msg
;
2451 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2454 memset(¶ms
, 0, sizeof(params
));
2456 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2459 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2460 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2461 if (type
> NL80211_IFTYPE_MAX
)
2465 if (!rdev
->ops
->add_virtual_intf
||
2466 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2469 if (type
== NL80211_IFTYPE_P2P_DEVICE
&& info
->attrs
[NL80211_ATTR_MAC
]) {
2470 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2472 if (!is_valid_ether_addr(params
.macaddr
))
2473 return -EADDRNOTAVAIL
;
2476 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2477 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2478 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2483 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2487 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2488 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2491 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2492 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2495 wdev
= rdev_add_virtual_intf(rdev
,
2496 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2497 type
, err
? NULL
: &flags
, ¶ms
);
2500 return PTR_ERR(wdev
);
2504 case NL80211_IFTYPE_MESH_POINT
:
2505 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2508 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2509 IEEE80211_MAX_MESH_ID_LEN
);
2510 wdev
->mesh_id_up_len
=
2511 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2512 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2513 wdev
->mesh_id_up_len
);
2516 case NL80211_IFTYPE_P2P_DEVICE
:
2518 * P2P Device doesn't have a netdev, so doesn't go
2519 * through the netdev notifier and must be added here
2521 mutex_init(&wdev
->mtx
);
2522 INIT_LIST_HEAD(&wdev
->event_list
);
2523 spin_lock_init(&wdev
->event_lock
);
2524 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2525 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2527 wdev
->identifier
= ++rdev
->wdev_id
;
2528 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2529 rdev
->devlist_generation
++;
2535 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2541 return genlmsg_reply(msg
, info
);
2544 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2546 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2547 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2549 if (!rdev
->ops
->del_virtual_intf
)
2553 * If we remove a wireless device without a netdev then clear
2554 * user_ptr[1] so that nl80211_post_doit won't dereference it
2555 * to check if it needs to do dev_put(). Otherwise it crashes
2556 * since the wdev has been freed, unlike with a netdev where
2557 * we need the dev_put() for the netdev to really be freed.
2560 info
->user_ptr
[1] = NULL
;
2562 return rdev_del_virtual_intf(rdev
, wdev
);
2565 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2567 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2568 struct net_device
*dev
= info
->user_ptr
[1];
2571 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2574 if (!rdev
->ops
->set_noack_map
)
2577 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2579 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2582 struct get_key_cookie
{
2583 struct sk_buff
*msg
;
2588 static void get_key_callback(void *c
, struct key_params
*params
)
2591 struct get_key_cookie
*cookie
= c
;
2594 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2595 params
->key_len
, params
->key
)) ||
2597 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2598 params
->seq_len
, params
->seq
)) ||
2600 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2602 goto nla_put_failure
;
2604 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2606 goto nla_put_failure
;
2609 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2610 params
->key_len
, params
->key
)) ||
2612 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2613 params
->seq_len
, params
->seq
)) ||
2615 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2617 goto nla_put_failure
;
2619 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2620 goto nla_put_failure
;
2622 nla_nest_end(cookie
->msg
, key
);
2629 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2631 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2633 struct net_device
*dev
= info
->user_ptr
[1];
2635 const u8
*mac_addr
= NULL
;
2637 struct get_key_cookie cookie
= {
2641 struct sk_buff
*msg
;
2643 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2644 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2649 if (info
->attrs
[NL80211_ATTR_MAC
])
2650 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2652 pairwise
= !!mac_addr
;
2653 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2654 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2655 if (kt
>= NUM_NL80211_KEYTYPES
)
2657 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2658 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2660 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2663 if (!rdev
->ops
->get_key
)
2666 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2670 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2671 NL80211_CMD_NEW_KEY
);
2676 cookie
.idx
= key_idx
;
2678 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2679 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2680 goto nla_put_failure
;
2682 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2683 goto nla_put_failure
;
2685 if (pairwise
&& mac_addr
&&
2686 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2689 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2696 goto nla_put_failure
;
2698 genlmsg_end(msg
, hdr
);
2699 return genlmsg_reply(msg
, info
);
2708 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2710 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2711 struct key_parse key
;
2713 struct net_device
*dev
= info
->user_ptr
[1];
2715 err
= nl80211_parse_key(info
, &key
);
2722 /* only support setting default key */
2723 if (!key
.def
&& !key
.defmgmt
)
2726 wdev_lock(dev
->ieee80211_ptr
);
2729 if (!rdev
->ops
->set_default_key
) {
2734 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2738 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2739 key
.def_uni
, key
.def_multi
);
2744 #ifdef CONFIG_CFG80211_WEXT
2745 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2748 if (key
.def_uni
|| !key
.def_multi
) {
2753 if (!rdev
->ops
->set_default_mgmt_key
) {
2758 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2762 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2766 #ifdef CONFIG_CFG80211_WEXT
2767 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2772 wdev_unlock(dev
->ieee80211_ptr
);
2777 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2779 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2781 struct net_device
*dev
= info
->user_ptr
[1];
2782 struct key_parse key
;
2783 const u8
*mac_addr
= NULL
;
2785 err
= nl80211_parse_key(info
, &key
);
2792 if (info
->attrs
[NL80211_ATTR_MAC
])
2793 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2795 if (key
.type
== -1) {
2797 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2799 key
.type
= NL80211_KEYTYPE_GROUP
;
2803 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2804 key
.type
!= NL80211_KEYTYPE_GROUP
)
2807 if (!rdev
->ops
->add_key
)
2810 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
2811 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2815 wdev_lock(dev
->ieee80211_ptr
);
2816 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2818 err
= rdev_add_key(rdev
, dev
, key
.idx
,
2819 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2821 wdev_unlock(dev
->ieee80211_ptr
);
2826 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
2828 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2830 struct net_device
*dev
= info
->user_ptr
[1];
2831 u8
*mac_addr
= NULL
;
2832 struct key_parse key
;
2834 err
= nl80211_parse_key(info
, &key
);
2838 if (info
->attrs
[NL80211_ATTR_MAC
])
2839 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2841 if (key
.type
== -1) {
2843 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2845 key
.type
= NL80211_KEYTYPE_GROUP
;
2849 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2850 key
.type
!= NL80211_KEYTYPE_GROUP
)
2853 if (!rdev
->ops
->del_key
)
2856 wdev_lock(dev
->ieee80211_ptr
);
2857 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2859 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
2860 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2864 err
= rdev_del_key(rdev
, dev
, key
.idx
,
2865 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2868 #ifdef CONFIG_CFG80211_WEXT
2870 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
2871 dev
->ieee80211_ptr
->wext
.default_key
= -1;
2872 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
2873 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
2876 wdev_unlock(dev
->ieee80211_ptr
);
2881 /* This function returns an error or the number of nested attributes */
2882 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
2884 struct nlattr
*attr
;
2885 int n_entries
= 0, tmp
;
2887 nla_for_each_nested(attr
, nl_attr
, tmp
) {
2888 if (nla_len(attr
) != ETH_ALEN
)
2898 * This function parses ACL information and allocates memory for ACL data.
2899 * On successful return, the calling function is responsible to free the
2900 * ACL buffer returned by this function.
2902 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
2903 struct genl_info
*info
)
2905 enum nl80211_acl_policy acl_policy
;
2906 struct nlattr
*attr
;
2907 struct cfg80211_acl_data
*acl
;
2908 int i
= 0, n_entries
, tmp
;
2910 if (!wiphy
->max_acl_mac_addrs
)
2911 return ERR_PTR(-EOPNOTSUPP
);
2913 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
2914 return ERR_PTR(-EINVAL
);
2916 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
2917 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
2918 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
2919 return ERR_PTR(-EINVAL
);
2921 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
2922 return ERR_PTR(-EINVAL
);
2924 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
2926 return ERR_PTR(n_entries
);
2928 if (n_entries
> wiphy
->max_acl_mac_addrs
)
2929 return ERR_PTR(-ENOTSUPP
);
2931 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
2934 return ERR_PTR(-ENOMEM
);
2936 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
2937 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
2941 acl
->n_acl_entries
= n_entries
;
2942 acl
->acl_policy
= acl_policy
;
2947 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
2949 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2950 struct net_device
*dev
= info
->user_ptr
[1];
2951 struct cfg80211_acl_data
*acl
;
2954 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2955 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2958 if (!dev
->ieee80211_ptr
->beacon_interval
)
2961 acl
= parse_acl_data(&rdev
->wiphy
, info
);
2963 return PTR_ERR(acl
);
2965 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
2972 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
2973 struct cfg80211_beacon_data
*bcn
)
2975 bool haveinfo
= false;
2977 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
2978 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
2979 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
2980 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
2983 memset(bcn
, 0, sizeof(*bcn
));
2985 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
2986 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
2987 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
2993 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
2994 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
2995 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3002 if (attrs
[NL80211_ATTR_IE
]) {
3003 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3004 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3007 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3008 bcn
->proberesp_ies
=
3009 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3010 bcn
->proberesp_ies_len
=
3011 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3014 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3015 bcn
->assocresp_ies
=
3016 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3017 bcn
->assocresp_ies_len
=
3018 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3021 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3022 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3023 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3029 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3030 struct cfg80211_ap_settings
*params
)
3032 struct wireless_dev
*wdev
;
3035 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3036 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3037 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3040 if (!wdev
->preset_chandef
.chan
)
3043 params
->chandef
= wdev
->preset_chandef
;
3051 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3052 enum nl80211_auth_type auth_type
,
3053 enum nl80211_commands cmd
)
3055 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3059 case NL80211_CMD_AUTHENTICATE
:
3060 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3061 auth_type
== NL80211_AUTHTYPE_SAE
)
3064 case NL80211_CMD_CONNECT
:
3065 case NL80211_CMD_START_AP
:
3066 /* SAE not supported yet */
3067 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3075 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3077 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3078 struct net_device
*dev
= info
->user_ptr
[1];
3079 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3080 struct cfg80211_ap_settings params
;
3082 u8 radar_detect_width
= 0;
3084 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3085 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3088 if (!rdev
->ops
->start_ap
)
3091 if (wdev
->beacon_interval
)
3094 memset(¶ms
, 0, sizeof(params
));
3096 /* these are required for START_AP */
3097 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3098 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3099 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3102 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3106 params
.beacon_interval
=
3107 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3108 params
.dtim_period
=
3109 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3111 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3116 * In theory, some of these attributes should be required here
3117 * but since they were not used when the command was originally
3118 * added, keep them optional for old user space programs to let
3119 * them continue to work with drivers that do not need the
3120 * additional information -- drivers must check!
3122 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3123 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3125 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3126 if (params
.ssid_len
== 0 ||
3127 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3131 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3132 params
.hidden_ssid
= nla_get_u32(
3133 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3134 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3135 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3136 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3140 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3142 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3143 params
.auth_type
= nla_get_u32(
3144 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3145 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3146 NL80211_CMD_START_AP
))
3149 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3151 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3152 NL80211_MAX_NR_CIPHER_SUITES
);
3156 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3157 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3159 params
.inactivity_timeout
= nla_get_u16(
3160 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3163 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3164 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3166 params
.p2p_ctwindow
=
3167 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3168 if (params
.p2p_ctwindow
> 127)
3170 if (params
.p2p_ctwindow
!= 0 &&
3171 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3175 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3178 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3180 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3183 params
.p2p_opp_ps
= tmp
;
3184 if (params
.p2p_opp_ps
!= 0 &&
3185 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3189 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3190 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3193 } else if (wdev
->preset_chandef
.chan
) {
3194 params
.chandef
= wdev
->preset_chandef
;
3195 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3198 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
))
3201 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, ¶ms
.chandef
);
3205 radar_detect_width
= BIT(params
.chandef
.width
);
3206 params
.radar_required
= true;
3209 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
3210 params
.chandef
.chan
,
3212 radar_detect_width
);
3216 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3217 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3218 if (IS_ERR(params
.acl
))
3219 return PTR_ERR(params
.acl
);
3223 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3225 wdev
->preset_chandef
= params
.chandef
;
3226 wdev
->beacon_interval
= params
.beacon_interval
;
3227 wdev
->channel
= params
.chandef
.chan
;
3228 wdev
->ssid_len
= params
.ssid_len
;
3229 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3238 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3240 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3241 struct net_device
*dev
= info
->user_ptr
[1];
3242 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3243 struct cfg80211_beacon_data params
;
3246 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3247 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3250 if (!rdev
->ops
->change_beacon
)
3253 if (!wdev
->beacon_interval
)
3256 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3261 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3267 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3269 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3270 struct net_device
*dev
= info
->user_ptr
[1];
3272 return cfg80211_stop_ap(rdev
, dev
);
3275 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3276 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3277 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3278 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3279 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3280 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3281 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3284 static int parse_station_flags(struct genl_info
*info
,
3285 enum nl80211_iftype iftype
,
3286 struct station_parameters
*params
)
3288 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3293 * Try parsing the new attribute first so userspace
3294 * can specify both for older kernels.
3296 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3298 struct nl80211_sta_flag_update
*sta_flags
;
3300 sta_flags
= nla_data(nla
);
3301 params
->sta_flags_mask
= sta_flags
->mask
;
3302 params
->sta_flags_set
= sta_flags
->set
;
3303 params
->sta_flags_set
&= params
->sta_flags_mask
;
3304 if ((params
->sta_flags_mask
|
3305 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3310 /* if present, parse the old attribute */
3312 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3316 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3317 nla
, sta_flags_policy
))
3321 * Only allow certain flags for interface types so that
3322 * other attributes are silently ignored. Remember that
3323 * this is backward compatibility code with old userspace
3324 * and shouldn't be hit in other cases anyway.
3327 case NL80211_IFTYPE_AP
:
3328 case NL80211_IFTYPE_AP_VLAN
:
3329 case NL80211_IFTYPE_P2P_GO
:
3330 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3331 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3332 BIT(NL80211_STA_FLAG_WME
) |
3333 BIT(NL80211_STA_FLAG_MFP
);
3335 case NL80211_IFTYPE_P2P_CLIENT
:
3336 case NL80211_IFTYPE_STATION
:
3337 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3338 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3340 case NL80211_IFTYPE_MESH_POINT
:
3341 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3342 BIT(NL80211_STA_FLAG_MFP
) |
3343 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3348 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3350 params
->sta_flags_set
|= (1<<flag
);
3352 /* no longer support new API additions in old API */
3353 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3361 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3364 struct nlattr
*rate
;
3368 rate
= nla_nest_start(msg
, attr
);
3372 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3373 bitrate
= cfg80211_calculate_bitrate(info
);
3374 /* report 16-bit bitrate only if we can */
3375 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3377 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3379 if (bitrate_compat
> 0 &&
3380 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3383 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3384 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3386 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3387 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3389 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3390 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3392 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3393 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3395 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3397 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3398 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3400 if (info
->flags
& RATE_INFO_FLAGS_80_MHZ_WIDTH
&&
3401 nla_put_flag(msg
, NL80211_RATE_INFO_80_MHZ_WIDTH
))
3403 if (info
->flags
& RATE_INFO_FLAGS_80P80_MHZ_WIDTH
&&
3404 nla_put_flag(msg
, NL80211_RATE_INFO_80P80_MHZ_WIDTH
))
3406 if (info
->flags
& RATE_INFO_FLAGS_160_MHZ_WIDTH
&&
3407 nla_put_flag(msg
, NL80211_RATE_INFO_160_MHZ_WIDTH
))
3409 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3410 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3414 nla_nest_end(msg
, rate
);
3418 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3427 attr
= nla_nest_start(msg
, id
);
3431 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3432 if (!(mask
& BIT(i
)))
3435 if (nla_put_u8(msg
, i
, signal
[i
]))
3439 nla_nest_end(msg
, attr
);
3444 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3446 struct cfg80211_registered_device
*rdev
,
3447 struct net_device
*dev
,
3448 const u8
*mac_addr
, struct station_info
*sinfo
)
3451 struct nlattr
*sinfoattr
, *bss_param
;
3453 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3457 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3458 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3459 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3460 goto nla_put_failure
;
3462 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3464 goto nla_put_failure
;
3465 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
3466 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
3467 sinfo
->connected_time
))
3468 goto nla_put_failure
;
3469 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
3470 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
3471 sinfo
->inactive_time
))
3472 goto nla_put_failure
;
3473 if ((sinfo
->filled
& (STATION_INFO_RX_BYTES
|
3474 STATION_INFO_RX_BYTES64
)) &&
3475 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3476 (u32
)sinfo
->rx_bytes
))
3477 goto nla_put_failure
;
3478 if ((sinfo
->filled
& (STATION_INFO_TX_BYTES
|
3479 STATION_INFO_TX_BYTES64
)) &&
3480 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3481 (u32
)sinfo
->tx_bytes
))
3482 goto nla_put_failure
;
3483 if ((sinfo
->filled
& STATION_INFO_RX_BYTES64
) &&
3484 nla_put_u64(msg
, NL80211_STA_INFO_RX_BYTES64
,
3486 goto nla_put_failure
;
3487 if ((sinfo
->filled
& STATION_INFO_TX_BYTES64
) &&
3488 nla_put_u64(msg
, NL80211_STA_INFO_TX_BYTES64
,
3490 goto nla_put_failure
;
3491 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
3492 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
3493 goto nla_put_failure
;
3494 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
3495 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
3496 goto nla_put_failure
;
3497 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
3498 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
3499 sinfo
->plink_state
))
3500 goto nla_put_failure
;
3501 switch (rdev
->wiphy
.signal_type
) {
3502 case CFG80211_SIGNAL_TYPE_MBM
:
3503 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
3504 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
3506 goto nla_put_failure
;
3507 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
3508 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
3510 goto nla_put_failure
;
3515 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL
) {
3516 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3517 sinfo
->chain_signal
,
3518 NL80211_STA_INFO_CHAIN_SIGNAL
))
3519 goto nla_put_failure
;
3521 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL_AVG
) {
3522 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3523 sinfo
->chain_signal_avg
,
3524 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3525 goto nla_put_failure
;
3527 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
3528 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3529 NL80211_STA_INFO_TX_BITRATE
))
3530 goto nla_put_failure
;
3532 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
3533 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3534 NL80211_STA_INFO_RX_BITRATE
))
3535 goto nla_put_failure
;
3537 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
3538 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
3540 goto nla_put_failure
;
3541 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
3542 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
3544 goto nla_put_failure
;
3545 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
3546 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
3548 goto nla_put_failure
;
3549 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
3550 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
3552 goto nla_put_failure
;
3553 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
3554 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
3555 sinfo
->beacon_loss_count
))
3556 goto nla_put_failure
;
3557 if ((sinfo
->filled
& STATION_INFO_LOCAL_PM
) &&
3558 nla_put_u32(msg
, NL80211_STA_INFO_LOCAL_PM
,
3560 goto nla_put_failure
;
3561 if ((sinfo
->filled
& STATION_INFO_PEER_PM
) &&
3562 nla_put_u32(msg
, NL80211_STA_INFO_PEER_PM
,
3564 goto nla_put_failure
;
3565 if ((sinfo
->filled
& STATION_INFO_NONPEER_PM
) &&
3566 nla_put_u32(msg
, NL80211_STA_INFO_NONPEER_PM
,
3568 goto nla_put_failure
;
3569 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
3570 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3572 goto nla_put_failure
;
3574 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3575 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3576 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3577 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3578 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3579 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3580 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3581 sinfo
->bss_param
.dtim_period
) ||
3582 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3583 sinfo
->bss_param
.beacon_interval
))
3584 goto nla_put_failure
;
3586 nla_nest_end(msg
, bss_param
);
3588 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
3589 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3590 sizeof(struct nl80211_sta_flag_update
),
3592 goto nla_put_failure
;
3593 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
3594 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
3596 goto nla_put_failure
;
3597 nla_nest_end(msg
, sinfoattr
);
3599 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
3600 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3601 sinfo
->assoc_req_ies
))
3602 goto nla_put_failure
;
3604 return genlmsg_end(msg
, hdr
);
3607 genlmsg_cancel(msg
, hdr
);
3611 static int nl80211_dump_station(struct sk_buff
*skb
,
3612 struct netlink_callback
*cb
)
3614 struct station_info sinfo
;
3615 struct cfg80211_registered_device
*dev
;
3616 struct wireless_dev
*wdev
;
3617 u8 mac_addr
[ETH_ALEN
];
3618 int sta_idx
= cb
->args
[2];
3621 err
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
3625 if (!wdev
->netdev
) {
3630 if (!dev
->ops
->dump_station
) {
3636 memset(&sinfo
, 0, sizeof(sinfo
));
3637 err
= rdev_dump_station(dev
, wdev
->netdev
, sta_idx
,
3644 if (nl80211_send_station(skb
,
3645 NETLINK_CB(cb
->skb
).portid
,
3646 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3647 dev
, wdev
->netdev
, mac_addr
,
3656 cb
->args
[2] = sta_idx
;
3659 nl80211_finish_wdev_dump(dev
);
3664 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3666 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3667 struct net_device
*dev
= info
->user_ptr
[1];
3668 struct station_info sinfo
;
3669 struct sk_buff
*msg
;
3670 u8
*mac_addr
= NULL
;
3673 memset(&sinfo
, 0, sizeof(sinfo
));
3675 if (!info
->attrs
[NL80211_ATTR_MAC
])
3678 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3680 if (!rdev
->ops
->get_station
)
3683 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3687 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3691 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3692 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3697 return genlmsg_reply(msg
, info
);
3700 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3701 struct station_parameters
*params
,
3702 enum cfg80211_station_type statype
)
3704 if (params
->listen_interval
!= -1)
3709 /* When you run into this, adjust the code below for the new flag */
3710 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3713 case CFG80211_STA_MESH_PEER_KERNEL
:
3714 case CFG80211_STA_MESH_PEER_USER
:
3716 * No ignoring the TDLS flag here -- the userspace mesh
3717 * code doesn't have the bug of including TDLS in the
3720 if (params
->sta_flags_mask
&
3721 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3722 BIT(NL80211_STA_FLAG_MFP
) |
3723 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3726 case CFG80211_STA_TDLS_PEER_SETUP
:
3727 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3728 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3730 /* ignore since it can't change */
3731 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3734 /* disallow mesh-specific things */
3735 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3737 if (params
->local_pm
)
3739 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3743 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3744 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3745 /* TDLS can't be set, ... */
3746 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3749 * ... but don't bother the driver with it. This works around
3750 * a hostapd/wpa_supplicant issue -- it always includes the
3751 * TLDS_PEER flag in the mask even for AP mode.
3753 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3756 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
3757 /* reject other things that can't change */
3758 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
3760 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
3762 if (params
->supported_rates
)
3764 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
3768 if (statype
!= CFG80211_STA_AP_CLIENT
) {
3774 case CFG80211_STA_AP_MLME_CLIENT
:
3775 /* Use this only for authorizing/unauthorizing a station */
3776 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3779 case CFG80211_STA_AP_CLIENT
:
3780 /* accept only the listed bits */
3781 if (params
->sta_flags_mask
&
3782 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3783 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3784 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3785 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3786 BIT(NL80211_STA_FLAG_WME
) |
3787 BIT(NL80211_STA_FLAG_MFP
)))
3790 /* but authenticated/associated only if driver handles it */
3791 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
3792 params
->sta_flags_mask
&
3793 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3794 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
3797 case CFG80211_STA_IBSS
:
3798 case CFG80211_STA_AP_STA
:
3799 /* reject any changes other than AUTHORIZED */
3800 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
3803 case CFG80211_STA_TDLS_PEER_SETUP
:
3804 /* reject any changes other than AUTHORIZED or WME */
3805 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3806 BIT(NL80211_STA_FLAG_WME
)))
3808 /* force (at least) rates when authorizing */
3809 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
3810 !params
->supported_rates
)
3813 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3814 /* reject any changes */
3816 case CFG80211_STA_MESH_PEER_KERNEL
:
3817 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3820 case CFG80211_STA_MESH_PEER_USER
:
3821 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3828 EXPORT_SYMBOL(cfg80211_check_station_change
);
3831 * Get vlan interface making sure it is running and on the right wiphy.
3833 static struct net_device
*get_vlan(struct genl_info
*info
,
3834 struct cfg80211_registered_device
*rdev
)
3836 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
3837 struct net_device
*v
;
3843 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
3845 return ERR_PTR(-ENODEV
);
3847 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
3852 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
3853 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3854 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
3859 if (!netif_running(v
)) {
3867 return ERR_PTR(ret
);
3870 static struct nla_policy
3871 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] __read_mostly
= {
3872 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
3873 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
3876 static int nl80211_parse_sta_wme(struct genl_info
*info
,
3877 struct station_parameters
*params
)
3879 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
3883 /* parse WME attributes if present */
3884 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
3887 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
3888 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
3889 nl80211_sta_wme_policy
);
3893 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
3894 params
->uapsd_queues
= nla_get_u8(
3895 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
3896 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
3899 if (tb
[NL80211_STA_WME_MAX_SP
])
3900 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
3902 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
3905 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
3910 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
3911 struct station_parameters
*params
)
3913 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
3914 params
->supported_channels
=
3915 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
3916 params
->supported_channels_len
=
3917 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
3919 * Need to include at least one (first channel, number of
3920 * channels) tuple for each subband, and must have proper
3921 * tuples for the rest of the data as well.
3923 if (params
->supported_channels_len
< 2)
3925 if (params
->supported_channels_len
% 2)
3929 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
3930 params
->supported_oper_classes
=
3931 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
3932 params
->supported_oper_classes_len
=
3933 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
3935 * The value of the Length field of the Supported Operating
3936 * Classes element is between 2 and 253.
3938 if (params
->supported_oper_classes_len
< 2 ||
3939 params
->supported_oper_classes_len
> 253)
3945 static int nl80211_set_station_tdls(struct genl_info
*info
,
3946 struct station_parameters
*params
)
3949 /* Dummy STA entry gets updated once the peer capabilities are known */
3950 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
3951 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
3952 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
3954 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
3955 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
3957 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
3959 err
= nl80211_parse_sta_channel_info(info
, params
);
3963 return nl80211_parse_sta_wme(info
, params
);
3966 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
3968 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3969 struct net_device
*dev
= info
->user_ptr
[1];
3970 struct station_parameters params
;
3974 memset(¶ms
, 0, sizeof(params
));
3976 params
.listen_interval
= -1;
3978 if (!rdev
->ops
->change_station
)
3981 if (info
->attrs
[NL80211_ATTR_STA_AID
])
3984 if (!info
->attrs
[NL80211_ATTR_MAC
])
3987 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3989 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
3990 params
.supported_rates
=
3991 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3992 params
.supported_rates_len
=
3993 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3996 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
3998 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
3999 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4002 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4004 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4005 params
.ext_capab_len
=
4006 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4009 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4012 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4015 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4016 params
.plink_action
=
4017 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4018 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4022 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4023 params
.plink_state
=
4024 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4025 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4027 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4030 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4031 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4032 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4034 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4035 pm
> NL80211_MESH_POWER_MAX
)
4038 params
.local_pm
= pm
;
4041 /* Include parameters for TDLS peer (will check later) */
4042 err
= nl80211_set_station_tdls(info
, ¶ms
);
4046 params
.vlan
= get_vlan(info
, rdev
);
4047 if (IS_ERR(params
.vlan
))
4048 return PTR_ERR(params
.vlan
);
4050 switch (dev
->ieee80211_ptr
->iftype
) {
4051 case NL80211_IFTYPE_AP
:
4052 case NL80211_IFTYPE_AP_VLAN
:
4053 case NL80211_IFTYPE_P2P_GO
:
4054 case NL80211_IFTYPE_P2P_CLIENT
:
4055 case NL80211_IFTYPE_STATION
:
4056 case NL80211_IFTYPE_ADHOC
:
4057 case NL80211_IFTYPE_MESH_POINT
:
4064 /* driver will call cfg80211_check_station_change() */
4065 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4069 dev_put(params
.vlan
);
4074 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4076 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4078 struct net_device
*dev
= info
->user_ptr
[1];
4079 struct station_parameters params
;
4080 u8
*mac_addr
= NULL
;
4082 memset(¶ms
, 0, sizeof(params
));
4084 if (!rdev
->ops
->add_station
)
4087 if (!info
->attrs
[NL80211_ATTR_MAC
])
4090 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4093 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4096 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4097 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4100 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4101 params
.supported_rates
=
4102 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4103 params
.supported_rates_len
=
4104 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4105 params
.listen_interval
=
4106 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4108 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4109 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4111 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4112 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4115 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4117 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4118 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4121 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4123 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4124 params
.ext_capab_len
=
4125 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4128 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4130 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4132 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4134 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4136 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4137 params
.opmode_notif_used
= true;
4138 params
.opmode_notif
=
4139 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4142 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4143 params
.plink_action
=
4144 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4145 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4149 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4153 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4157 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4160 /* When you run into this, adjust the code below for the new flag */
4161 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4163 switch (dev
->ieee80211_ptr
->iftype
) {
4164 case NL80211_IFTYPE_AP
:
4165 case NL80211_IFTYPE_AP_VLAN
:
4166 case NL80211_IFTYPE_P2P_GO
:
4167 /* ignore WME attributes if iface/sta is not capable */
4168 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4169 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4170 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4172 /* TDLS peers cannot be added */
4173 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4174 info
->attrs
[NL80211_ATTR_PEER_AID
])
4176 /* but don't bother the driver with it */
4177 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4179 /* allow authenticated/associated only if driver handles it */
4180 if (!(rdev
->wiphy
.features
&
4181 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4182 params
.sta_flags_mask
&
4183 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4184 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4187 /* must be last in here for error handling */
4188 params
.vlan
= get_vlan(info
, rdev
);
4189 if (IS_ERR(params
.vlan
))
4190 return PTR_ERR(params
.vlan
);
4192 case NL80211_IFTYPE_MESH_POINT
:
4193 /* ignore uAPSD data */
4194 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4196 /* associated is disallowed */
4197 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4199 /* TDLS peers cannot be added */
4200 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4201 info
->attrs
[NL80211_ATTR_PEER_AID
])
4204 case NL80211_IFTYPE_STATION
:
4205 case NL80211_IFTYPE_P2P_CLIENT
:
4206 /* ignore uAPSD data */
4207 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4209 /* these are disallowed */
4210 if (params
.sta_flags_mask
&
4211 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4212 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4214 /* Only TDLS peers can be added */
4215 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4217 /* Can only add if TDLS ... */
4218 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4220 /* ... with external setup is supported */
4221 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4224 * Older wpa_supplicant versions always mark the TDLS peer
4225 * as authorized, but it shouldn't yet be.
4227 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4233 /* be aware of params.vlan when changing code here */
4235 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4238 dev_put(params
.vlan
);
4242 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4244 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4245 struct net_device
*dev
= info
->user_ptr
[1];
4246 u8
*mac_addr
= NULL
;
4248 if (info
->attrs
[NL80211_ATTR_MAC
])
4249 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4251 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4252 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4253 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4254 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4257 if (!rdev
->ops
->del_station
)
4260 return rdev_del_station(rdev
, dev
, mac_addr
);
4263 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4264 int flags
, struct net_device
*dev
,
4265 u8
*dst
, u8
*next_hop
,
4266 struct mpath_info
*pinfo
)
4269 struct nlattr
*pinfoattr
;
4271 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
4275 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4276 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4277 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4278 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4279 goto nla_put_failure
;
4281 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4283 goto nla_put_failure
;
4284 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4285 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4287 goto nla_put_failure
;
4288 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4289 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4290 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4291 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4293 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4294 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4296 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4297 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4299 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4300 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4301 pinfo
->discovery_timeout
)) ||
4302 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4303 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4304 pinfo
->discovery_retries
)))
4305 goto nla_put_failure
;
4307 nla_nest_end(msg
, pinfoattr
);
4309 return genlmsg_end(msg
, hdr
);
4312 genlmsg_cancel(msg
, hdr
);
4316 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4317 struct netlink_callback
*cb
)
4319 struct mpath_info pinfo
;
4320 struct cfg80211_registered_device
*dev
;
4321 struct wireless_dev
*wdev
;
4323 u8 next_hop
[ETH_ALEN
];
4324 int path_idx
= cb
->args
[2];
4327 err
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
4331 if (!dev
->ops
->dump_mpath
) {
4336 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4342 err
= rdev_dump_mpath(dev
, wdev
->netdev
, path_idx
, dst
,
4349 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4350 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4351 wdev
->netdev
, dst
, next_hop
,
4360 cb
->args
[2] = path_idx
;
4363 nl80211_finish_wdev_dump(dev
);
4367 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4369 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4371 struct net_device
*dev
= info
->user_ptr
[1];
4372 struct mpath_info pinfo
;
4373 struct sk_buff
*msg
;
4375 u8 next_hop
[ETH_ALEN
];
4377 memset(&pinfo
, 0, sizeof(pinfo
));
4379 if (!info
->attrs
[NL80211_ATTR_MAC
])
4382 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4384 if (!rdev
->ops
->get_mpath
)
4387 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4390 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4394 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4398 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4399 dev
, dst
, next_hop
, &pinfo
) < 0) {
4404 return genlmsg_reply(msg
, info
);
4407 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4409 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4410 struct net_device
*dev
= info
->user_ptr
[1];
4412 u8
*next_hop
= NULL
;
4414 if (!info
->attrs
[NL80211_ATTR_MAC
])
4417 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4420 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4421 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4423 if (!rdev
->ops
->change_mpath
)
4426 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4429 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4432 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4434 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4435 struct net_device
*dev
= info
->user_ptr
[1];
4437 u8
*next_hop
= NULL
;
4439 if (!info
->attrs
[NL80211_ATTR_MAC
])
4442 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4445 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4446 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4448 if (!rdev
->ops
->add_mpath
)
4451 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4454 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4457 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4459 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4460 struct net_device
*dev
= info
->user_ptr
[1];
4463 if (info
->attrs
[NL80211_ATTR_MAC
])
4464 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4466 if (!rdev
->ops
->del_mpath
)
4469 return rdev_del_mpath(rdev
, dev
, dst
);
4472 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4474 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4475 struct net_device
*dev
= info
->user_ptr
[1];
4476 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4477 struct bss_parameters params
;
4480 memset(¶ms
, 0, sizeof(params
));
4481 /* default to not changing parameters */
4482 params
.use_cts_prot
= -1;
4483 params
.use_short_preamble
= -1;
4484 params
.use_short_slot_time
= -1;
4485 params
.ap_isolate
= -1;
4486 params
.ht_opmode
= -1;
4487 params
.p2p_ctwindow
= -1;
4488 params
.p2p_opp_ps
= -1;
4490 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4491 params
.use_cts_prot
=
4492 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4493 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4494 params
.use_short_preamble
=
4495 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4496 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4497 params
.use_short_slot_time
=
4498 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4499 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4500 params
.basic_rates
=
4501 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4502 params
.basic_rates_len
=
4503 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4505 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4506 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4507 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4509 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4511 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4512 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4514 params
.p2p_ctwindow
=
4515 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4516 if (params
.p2p_ctwindow
< 0)
4518 if (params
.p2p_ctwindow
!= 0 &&
4519 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4523 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4526 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4528 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4531 params
.p2p_opp_ps
= tmp
;
4532 if (params
.p2p_opp_ps
&&
4533 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4537 if (!rdev
->ops
->change_bss
)
4540 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4541 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4545 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4551 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4552 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4553 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4554 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4555 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4556 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4557 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4560 static int parse_reg_rule(struct nlattr
*tb
[],
4561 struct ieee80211_reg_rule
*reg_rule
)
4563 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4564 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4566 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4568 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4570 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4572 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4574 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4577 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4579 freq_range
->start_freq_khz
=
4580 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4581 freq_range
->end_freq_khz
=
4582 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4583 freq_range
->max_bandwidth_khz
=
4584 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4586 power_rule
->max_eirp
=
4587 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4589 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4590 power_rule
->max_antenna_gain
=
4591 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4596 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4600 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4603 * You should only get this when cfg80211 hasn't yet initialized
4604 * completely when built-in to the kernel right between the time
4605 * window between nl80211_init() and regulatory_init(), if that is
4608 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4609 return -EINPROGRESS
;
4611 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4614 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4616 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4617 user_reg_hint_type
=
4618 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4620 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4622 switch (user_reg_hint_type
) {
4623 case NL80211_USER_REG_HINT_USER
:
4624 case NL80211_USER_REG_HINT_CELL_BASE
:
4630 r
= regulatory_hint_user(data
, user_reg_hint_type
);
4635 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4636 struct genl_info
*info
)
4638 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4639 struct net_device
*dev
= info
->user_ptr
[1];
4640 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4641 struct mesh_config cur_params
;
4644 struct nlattr
*pinfoattr
;
4645 struct sk_buff
*msg
;
4647 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4650 if (!rdev
->ops
->get_mesh_config
)
4654 /* If not connected, get default parameters */
4655 if (!wdev
->mesh_id_len
)
4656 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4658 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4664 /* Draw up a netlink message to send back */
4665 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4668 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4669 NL80211_CMD_GET_MESH_CONFIG
);
4672 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
4674 goto nla_put_failure
;
4675 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4676 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4677 cur_params
.dot11MeshRetryTimeout
) ||
4678 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4679 cur_params
.dot11MeshConfirmTimeout
) ||
4680 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4681 cur_params
.dot11MeshHoldingTimeout
) ||
4682 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4683 cur_params
.dot11MeshMaxPeerLinks
) ||
4684 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
4685 cur_params
.dot11MeshMaxRetries
) ||
4686 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
4687 cur_params
.dot11MeshTTL
) ||
4688 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
4689 cur_params
.element_ttl
) ||
4690 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4691 cur_params
.auto_open_plinks
) ||
4692 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4693 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
4694 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4695 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
4696 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4697 cur_params
.path_refresh_time
) ||
4698 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4699 cur_params
.min_discovery_timeout
) ||
4700 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4701 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
4702 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4703 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
4704 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4705 cur_params
.dot11MeshHWMPperrMinInterval
) ||
4706 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4707 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
4708 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4709 cur_params
.dot11MeshHWMPRootMode
) ||
4710 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4711 cur_params
.dot11MeshHWMPRannInterval
) ||
4712 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4713 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
4714 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
4715 cur_params
.dot11MeshForwarding
) ||
4716 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4717 cur_params
.rssi_threshold
) ||
4718 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
4719 cur_params
.ht_opmode
) ||
4720 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4721 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
4722 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4723 cur_params
.dot11MeshHWMProotInterval
) ||
4724 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4725 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
4726 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
4727 cur_params
.power_mode
) ||
4728 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
4729 cur_params
.dot11MeshAwakeWindowDuration
) ||
4730 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4731 cur_params
.plink_timeout
))
4732 goto nla_put_failure
;
4733 nla_nest_end(msg
, pinfoattr
);
4734 genlmsg_end(msg
, hdr
);
4735 return genlmsg_reply(msg
, info
);
4738 genlmsg_cancel(msg
, hdr
);
4744 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
4745 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
4746 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
4747 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
4748 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
4749 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
4750 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
4751 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
4752 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
4753 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
4754 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
4755 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
4756 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
4757 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
4758 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
4759 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
4760 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
4761 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
4762 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
4763 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
4764 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
4765 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
4766 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
4767 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
4768 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
4769 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
4770 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
4771 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
4772 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
4775 static const struct nla_policy
4776 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
4777 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
4778 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
4779 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
4780 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
4781 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
4782 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
4783 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
4784 .len
= IEEE80211_MAX_DATA_LEN
},
4785 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
4788 static int nl80211_parse_mesh_config(struct genl_info
*info
,
4789 struct mesh_config
*cfg
,
4792 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
4795 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
4798 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
4800 cfg->param = fn(tb[attr]); \
4801 mask |= (1 << (attr - 1)); \
4806 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
4808 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
4809 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
4810 nl80211_meshconf_params_policy
))
4813 /* This makes sure that there aren't more than 32 mesh config
4814 * parameters (otherwise our bitfield scheme would not work.) */
4815 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
4817 /* Fill in the params struct */
4818 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
4819 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4821 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
4822 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4824 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
4825 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4827 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
4828 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4830 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
4831 mask
, NL80211_MESHCONF_MAX_RETRIES
,
4833 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
4834 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
4835 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
4836 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
4838 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
4839 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4841 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
4843 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4845 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
4846 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4848 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
4849 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4851 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
4852 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4854 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
4856 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4858 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
4860 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4862 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
4864 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4866 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4867 dot11MeshHWMPnetDiameterTraversalTime
,
4869 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4871 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
4872 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4874 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
4875 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4877 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4878 dot11MeshGateAnnouncementProtocol
, 0, 1,
4879 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4881 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
4882 mask
, NL80211_MESHCONF_FORWARDING
,
4884 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
4885 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4887 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
4888 mask
, NL80211_MESHCONF_HT_OPMODE
,
4890 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
4892 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4894 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
4895 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4897 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4898 dot11MeshHWMPconfirmationInterval
,
4900 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4902 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
4903 NL80211_MESH_POWER_ACTIVE
,
4904 NL80211_MESH_POWER_MAX
,
4905 mask
, NL80211_MESHCONF_POWER_MODE
,
4907 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
4909 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
4910 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
4911 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4918 #undef FILL_IN_MESH_PARAM_IF_SET
4921 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
4922 struct mesh_setup
*setup
)
4924 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4925 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
4927 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
4929 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
4930 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
4931 nl80211_mesh_setup_params_policy
))
4934 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
4935 setup
->sync_method
=
4936 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
4937 IEEE80211_SYNC_METHOD_VENDOR
:
4938 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
4940 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
4941 setup
->path_sel_proto
=
4942 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
4943 IEEE80211_PATH_PROTOCOL_VENDOR
:
4944 IEEE80211_PATH_PROTOCOL_HWMP
;
4946 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
4947 setup
->path_metric
=
4948 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
4949 IEEE80211_PATH_METRIC_VENDOR
:
4950 IEEE80211_PATH_METRIC_AIRTIME
;
4953 if (tb
[NL80211_MESH_SETUP_IE
]) {
4954 struct nlattr
*ieattr
=
4955 tb
[NL80211_MESH_SETUP_IE
];
4956 if (!is_valid_ie_attr(ieattr
))
4958 setup
->ie
= nla_data(ieattr
);
4959 setup
->ie_len
= nla_len(ieattr
);
4961 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
4962 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
4964 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
4965 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
4966 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
4967 if (setup
->is_secure
)
4968 setup
->user_mpm
= true;
4970 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
4971 if (!setup
->user_mpm
)
4974 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
4980 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
4981 struct genl_info
*info
)
4983 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4984 struct net_device
*dev
= info
->user_ptr
[1];
4985 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4986 struct mesh_config cfg
;
4990 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4993 if (!rdev
->ops
->update_mesh_config
)
4996 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5001 if (!wdev
->mesh_id_len
)
5005 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5012 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5014 const struct ieee80211_regdomain
*regdom
;
5015 struct sk_buff
*msg
;
5017 struct nlattr
*nl_reg_rules
;
5020 if (!cfg80211_regdomain
)
5023 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5027 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5028 NL80211_CMD_GET_REG
);
5032 if (reg_last_request_cell_base() &&
5033 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5034 NL80211_USER_REG_HINT_CELL_BASE
))
5035 goto nla_put_failure
;
5038 regdom
= rcu_dereference(cfg80211_regdomain
);
5040 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5041 (regdom
->dfs_region
&&
5042 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5043 goto nla_put_failure_rcu
;
5045 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5047 goto nla_put_failure_rcu
;
5049 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5050 struct nlattr
*nl_reg_rule
;
5051 const struct ieee80211_reg_rule
*reg_rule
;
5052 const struct ieee80211_freq_range
*freq_range
;
5053 const struct ieee80211_power_rule
*power_rule
;
5055 reg_rule
= ®dom
->reg_rules
[i
];
5056 freq_range
= ®_rule
->freq_range
;
5057 power_rule
= ®_rule
->power_rule
;
5059 nl_reg_rule
= nla_nest_start(msg
, i
);
5061 goto nla_put_failure_rcu
;
5063 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5065 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5066 freq_range
->start_freq_khz
) ||
5067 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5068 freq_range
->end_freq_khz
) ||
5069 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5070 freq_range
->max_bandwidth_khz
) ||
5071 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5072 power_rule
->max_antenna_gain
) ||
5073 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5074 power_rule
->max_eirp
))
5075 goto nla_put_failure_rcu
;
5077 nla_nest_end(msg
, nl_reg_rule
);
5081 nla_nest_end(msg
, nl_reg_rules
);
5083 genlmsg_end(msg
, hdr
);
5084 return genlmsg_reply(msg
, info
);
5086 nla_put_failure_rcu
:
5089 genlmsg_cancel(msg
, hdr
);
5095 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5097 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5098 struct nlattr
*nl_reg_rule
;
5099 char *alpha2
= NULL
;
5100 int rem_reg_rules
= 0, r
= 0;
5101 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5102 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5103 struct ieee80211_regdomain
*rd
= NULL
;
5105 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5108 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5111 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5113 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5114 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5116 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5119 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5123 if (!reg_is_valid_request(alpha2
))
5126 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5127 num_rules
* sizeof(struct ieee80211_reg_rule
);
5129 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5133 rd
->n_reg_rules
= num_rules
;
5134 rd
->alpha2
[0] = alpha2
[0];
5135 rd
->alpha2
[1] = alpha2
[1];
5138 * Disable DFS master mode if the DFS region was
5139 * not supported or known on this kernel.
5141 if (reg_supported_dfs_region(dfs_region
))
5142 rd
->dfs_region
= dfs_region
;
5144 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5146 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5147 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5149 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5155 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5162 /* set_regdom took ownership */
5170 static int validate_scan_freqs(struct nlattr
*freqs
)
5172 struct nlattr
*attr1
, *attr2
;
5173 int n_channels
= 0, tmp1
, tmp2
;
5175 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5178 * Some hardware has a limited channel list for
5179 * scanning, and it is pretty much nonsensical
5180 * to scan for a channel twice, so disallow that
5181 * and don't require drivers to check that the
5182 * channel list they get isn't longer than what
5183 * they can scan, as long as they can scan all
5184 * the channels they registered at once.
5186 nla_for_each_nested(attr2
, freqs
, tmp2
)
5187 if (attr1
!= attr2
&&
5188 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5195 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5197 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5198 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5199 struct cfg80211_scan_request
*request
;
5200 struct nlattr
*attr
;
5201 struct wiphy
*wiphy
;
5202 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5205 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5208 wiphy
= &rdev
->wiphy
;
5210 if (!rdev
->ops
->scan
)
5213 if (rdev
->scan_req
) {
5218 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5219 n_channels
= validate_scan_freqs(
5220 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5226 enum ieee80211_band band
;
5229 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
5230 if (wiphy
->bands
[band
])
5231 n_channels
+= wiphy
->bands
[band
]->n_channels
;
5234 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5235 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5238 if (n_ssids
> wiphy
->max_scan_ssids
) {
5243 if (info
->attrs
[NL80211_ATTR_IE
])
5244 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5248 if (ie_len
> wiphy
->max_scan_ie_len
) {
5253 request
= kzalloc(sizeof(*request
)
5254 + sizeof(*request
->ssids
) * n_ssids
5255 + sizeof(*request
->channels
) * n_channels
5256 + ie_len
, GFP_KERNEL
);
5263 request
->ssids
= (void *)&request
->channels
[n_channels
];
5264 request
->n_ssids
= n_ssids
;
5267 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5269 request
->ie
= (void *)(request
->channels
+ n_channels
);
5273 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5274 /* user specified, bail out if channel not found */
5275 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5276 struct ieee80211_channel
*chan
;
5278 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5285 /* ignore disabled channels */
5286 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5289 request
->channels
[i
] = chan
;
5293 enum ieee80211_band band
;
5296 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5298 if (!wiphy
->bands
[band
])
5300 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5301 struct ieee80211_channel
*chan
;
5303 chan
= &wiphy
->bands
[band
]->channels
[j
];
5305 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5308 request
->channels
[i
] = chan
;
5319 request
->n_channels
= i
;
5322 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5323 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5324 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5328 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5329 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5334 if (info
->attrs
[NL80211_ATTR_IE
]) {
5335 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5336 memcpy((void *)request
->ie
,
5337 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5341 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5342 if (wiphy
->bands
[i
])
5344 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5346 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5347 nla_for_each_nested(attr
,
5348 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5350 enum ieee80211_band band
= nla_type(attr
);
5352 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5356 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5359 &request
->rates
[band
]);
5365 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5366 request
->flags
= nla_get_u32(
5367 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5368 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5369 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5376 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5378 request
->wdev
= wdev
;
5379 request
->wiphy
= &rdev
->wiphy
;
5380 request
->scan_start
= jiffies
;
5382 rdev
->scan_req
= request
;
5383 err
= rdev_scan(rdev
, request
);
5386 nl80211_send_scan_start(rdev
, wdev
);
5388 dev_hold(wdev
->netdev
);
5391 rdev
->scan_req
= NULL
;
5399 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
5400 struct genl_info
*info
)
5402 struct cfg80211_sched_scan_request
*request
;
5403 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5404 struct net_device
*dev
= info
->user_ptr
[1];
5405 struct nlattr
*attr
;
5406 struct wiphy
*wiphy
;
5407 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5409 enum ieee80211_band band
;
5411 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5413 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5414 !rdev
->ops
->sched_scan_start
)
5417 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5420 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5423 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5427 wiphy
= &rdev
->wiphy
;
5429 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5430 n_channels
= validate_scan_freqs(
5431 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5437 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
5438 if (wiphy
->bands
[band
])
5439 n_channels
+= wiphy
->bands
[band
]->n_channels
;
5442 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5443 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5447 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5450 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
])
5451 nla_for_each_nested(attr
,
5452 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5456 if (n_match_sets
> wiphy
->max_match_sets
)
5459 if (info
->attrs
[NL80211_ATTR_IE
])
5460 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5464 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5467 if (rdev
->sched_scan_req
) {
5472 request
= kzalloc(sizeof(*request
)
5473 + sizeof(*request
->ssids
) * n_ssids
5474 + sizeof(*request
->match_sets
) * n_match_sets
5475 + sizeof(*request
->channels
) * n_channels
5476 + ie_len
, GFP_KERNEL
);
5483 request
->ssids
= (void *)&request
->channels
[n_channels
];
5484 request
->n_ssids
= n_ssids
;
5487 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5489 request
->ie
= (void *)(request
->channels
+ n_channels
);
5494 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
5495 else if (request
->ssids
)
5496 request
->match_sets
=
5497 (void *)(request
->ssids
+ n_ssids
);
5499 request
->match_sets
=
5500 (void *)(request
->channels
+ n_channels
);
5502 request
->n_match_sets
= n_match_sets
;
5505 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5506 /* user specified, bail out if channel not found */
5507 nla_for_each_nested(attr
,
5508 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
5510 struct ieee80211_channel
*chan
;
5512 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5519 /* ignore disabled channels */
5520 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5523 request
->channels
[i
] = chan
;
5528 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5530 if (!wiphy
->bands
[band
])
5532 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5533 struct ieee80211_channel
*chan
;
5535 chan
= &wiphy
->bands
[band
]->channels
[j
];
5537 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5540 request
->channels
[i
] = chan
;
5551 request
->n_channels
= i
;
5554 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5555 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5557 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5561 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5562 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
5569 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5570 nla_for_each_nested(attr
,
5571 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5573 struct nlattr
*ssid
, *rssi
;
5575 nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5576 nla_data(attr
), nla_len(attr
),
5577 nl80211_match_policy
);
5578 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
5580 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
5584 memcpy(request
->match_sets
[i
].ssid
.ssid
,
5585 nla_data(ssid
), nla_len(ssid
));
5586 request
->match_sets
[i
].ssid
.ssid_len
=
5589 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5591 request
->rssi_thold
= nla_get_u32(rssi
);
5593 request
->rssi_thold
=
5594 NL80211_SCAN_RSSI_THOLD_OFF
;
5599 if (info
->attrs
[NL80211_ATTR_IE
]) {
5600 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5601 memcpy((void *)request
->ie
,
5602 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5606 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5607 request
->flags
= nla_get_u32(
5608 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5609 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5610 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5617 request
->wiphy
= &rdev
->wiphy
;
5618 request
->interval
= interval
;
5619 request
->scan_start
= jiffies
;
5621 err
= rdev_sched_scan_start(rdev
, dev
, request
);
5623 rdev
->sched_scan_req
= request
;
5624 nl80211_send_sched_scan(rdev
, dev
,
5625 NL80211_CMD_START_SCHED_SCAN
);
5635 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
5636 struct genl_info
*info
)
5638 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5640 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5641 !rdev
->ops
->sched_scan_stop
)
5644 return __cfg80211_stop_sched_scan(rdev
, false);
5647 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
5648 struct genl_info
*info
)
5650 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5651 struct net_device
*dev
= info
->user_ptr
[1];
5652 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5653 struct cfg80211_chan_def chandef
;
5654 enum nl80211_dfs_regions dfs_region
;
5657 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
5658 if (dfs_region
== NL80211_DFS_UNSET
)
5661 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
5665 if (netif_carrier_ok(dev
))
5668 if (wdev
->cac_started
)
5671 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
);
5678 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
5681 if (!rdev
->ops
->start_radar_detection
)
5684 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
5685 chandef
.chan
, CHAN_MODE_SHARED
,
5686 BIT(chandef
.width
));
5690 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
);
5692 wdev
->channel
= chandef
.chan
;
5693 wdev
->cac_started
= true;
5694 wdev
->cac_start_time
= jiffies
;
5699 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
5701 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5702 struct net_device
*dev
= info
->user_ptr
[1];
5703 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5704 struct cfg80211_csa_settings params
;
5705 /* csa_attrs is defined static to avoid waste of stack size - this
5706 * function is called under RTNL lock, so this should not be a problem.
5708 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
5709 u8 radar_detect_width
= 0;
5711 bool need_new_beacon
= false;
5713 if (!rdev
->ops
->channel_switch
||
5714 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
5717 switch (dev
->ieee80211_ptr
->iftype
) {
5718 case NL80211_IFTYPE_AP
:
5719 case NL80211_IFTYPE_P2P_GO
:
5720 need_new_beacon
= true;
5722 /* useless if AP is not running */
5723 if (!wdev
->beacon_interval
)
5726 case NL80211_IFTYPE_ADHOC
:
5727 case NL80211_IFTYPE_MESH_POINT
:
5733 memset(¶ms
, 0, sizeof(params
));
5735 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5736 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
5739 /* only important for AP, IBSS and mesh create IEs internally */
5740 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
5743 params
.count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
5745 if (!need_new_beacon
)
5748 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
5752 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
5753 info
->attrs
[NL80211_ATTR_CSA_IES
],
5758 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
5762 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
5765 params
.counter_offset_beacon
=
5766 nla_get_u16(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
5767 if (params
.counter_offset_beacon
>= params
.beacon_csa
.tail_len
)
5770 /* sanity check - counters should be the same */
5771 if (params
.beacon_csa
.tail
[params
.counter_offset_beacon
] !=
5775 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
5776 params
.counter_offset_presp
=
5777 nla_get_u16(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
5778 if (params
.counter_offset_presp
>=
5779 params
.beacon_csa
.probe_resp_len
)
5782 if (params
.beacon_csa
.probe_resp
[params
.counter_offset_presp
] !=
5788 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
5792 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
))
5795 if (dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_AP
||
5796 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
||
5797 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_ADHOC
) {
5798 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
5803 radar_detect_width
= BIT(params
.chandef
.width
);
5804 params
.radar_required
= true;
5808 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
5809 params
.chandef
.chan
,
5811 radar_detect_width
);
5815 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
5816 params
.block_tx
= true;
5819 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
5825 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
5827 struct cfg80211_registered_device
*rdev
,
5828 struct wireless_dev
*wdev
,
5829 struct cfg80211_internal_bss
*intbss
)
5831 struct cfg80211_bss
*res
= &intbss
->pub
;
5832 const struct cfg80211_bss_ies
*ies
;
5837 ASSERT_WDEV_LOCK(wdev
);
5839 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
5840 NL80211_CMD_NEW_SCAN_RESULTS
);
5844 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
5846 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
5847 goto nla_put_failure
;
5849 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
5850 goto nla_put_failure
;
5851 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
5852 goto nla_put_failure
;
5854 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
5856 goto nla_put_failure
;
5857 if ((!is_zero_ether_addr(res
->bssid
) &&
5858 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
5859 goto nla_put_failure
;
5862 ies
= rcu_dereference(res
->ies
);
5864 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
5865 goto fail_unlock_rcu
;
5867 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
5868 ies
->len
, ies
->data
))
5869 goto fail_unlock_rcu
;
5871 ies
= rcu_dereference(res
->beacon_ies
);
5873 if (!tsf
&& nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
5874 goto fail_unlock_rcu
;
5875 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
5876 ies
->len
, ies
->data
))
5877 goto fail_unlock_rcu
;
5881 if (res
->beacon_interval
&&
5882 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
5883 goto nla_put_failure
;
5884 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
5885 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
5886 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
5887 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
5888 jiffies_to_msecs(jiffies
- intbss
->ts
)))
5889 goto nla_put_failure
;
5891 switch (rdev
->wiphy
.signal_type
) {
5892 case CFG80211_SIGNAL_TYPE_MBM
:
5893 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
5894 goto nla_put_failure
;
5896 case CFG80211_SIGNAL_TYPE_UNSPEC
:
5897 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
5898 goto nla_put_failure
;
5904 switch (wdev
->iftype
) {
5905 case NL80211_IFTYPE_P2P_CLIENT
:
5906 case NL80211_IFTYPE_STATION
:
5907 if (intbss
== wdev
->current_bss
&&
5908 nla_put_u32(msg
, NL80211_BSS_STATUS
,
5909 NL80211_BSS_STATUS_ASSOCIATED
))
5910 goto nla_put_failure
;
5912 case NL80211_IFTYPE_ADHOC
:
5913 if (intbss
== wdev
->current_bss
&&
5914 nla_put_u32(msg
, NL80211_BSS_STATUS
,
5915 NL80211_BSS_STATUS_IBSS_JOINED
))
5916 goto nla_put_failure
;
5922 nla_nest_end(msg
, bss
);
5924 return genlmsg_end(msg
, hdr
);
5929 genlmsg_cancel(msg
, hdr
);
5933 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
5935 struct cfg80211_registered_device
*rdev
;
5936 struct cfg80211_internal_bss
*scan
;
5937 struct wireless_dev
*wdev
;
5938 int start
= cb
->args
[2], idx
= 0;
5941 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5946 spin_lock_bh(&rdev
->bss_lock
);
5947 cfg80211_bss_expire(rdev
);
5949 cb
->seq
= rdev
->bss_generation
;
5951 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
5954 if (nl80211_send_bss(skb
, cb
,
5955 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5956 rdev
, wdev
, scan
) < 0) {
5962 spin_unlock_bh(&rdev
->bss_lock
);
5966 nl80211_finish_wdev_dump(rdev
);
5971 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
5972 int flags
, struct net_device
*dev
,
5973 struct survey_info
*survey
)
5976 struct nlattr
*infoattr
;
5978 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
5979 NL80211_CMD_NEW_SURVEY_RESULTS
);
5983 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
5984 goto nla_put_failure
;
5986 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
5988 goto nla_put_failure
;
5990 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
5991 survey
->channel
->center_freq
))
5992 goto nla_put_failure
;
5994 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
5995 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
5996 goto nla_put_failure
;
5997 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
5998 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
5999 goto nla_put_failure
;
6000 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
6001 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
6002 survey
->channel_time
))
6003 goto nla_put_failure
;
6004 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
6005 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
6006 survey
->channel_time_busy
))
6007 goto nla_put_failure
;
6008 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
6009 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
6010 survey
->channel_time_ext_busy
))
6011 goto nla_put_failure
;
6012 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
6013 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
6014 survey
->channel_time_rx
))
6015 goto nla_put_failure
;
6016 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
6017 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
6018 survey
->channel_time_tx
))
6019 goto nla_put_failure
;
6021 nla_nest_end(msg
, infoattr
);
6023 return genlmsg_end(msg
, hdr
);
6026 genlmsg_cancel(msg
, hdr
);
6030 static int nl80211_dump_survey(struct sk_buff
*skb
,
6031 struct netlink_callback
*cb
)
6033 struct survey_info survey
;
6034 struct cfg80211_registered_device
*dev
;
6035 struct wireless_dev
*wdev
;
6036 int survey_idx
= cb
->args
[2];
6039 res
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
6043 if (!wdev
->netdev
) {
6048 if (!dev
->ops
->dump_survey
) {
6054 struct ieee80211_channel
*chan
;
6056 res
= rdev_dump_survey(dev
, wdev
->netdev
, survey_idx
, &survey
);
6062 /* Survey without a channel doesn't make sense */
6063 if (!survey
.channel
) {
6068 chan
= ieee80211_get_channel(&dev
->wiphy
,
6069 survey
.channel
->center_freq
);
6070 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
6075 if (nl80211_send_survey(skb
,
6076 NETLINK_CB(cb
->skb
).portid
,
6077 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6078 wdev
->netdev
, &survey
) < 0)
6084 cb
->args
[2] = survey_idx
;
6087 nl80211_finish_wdev_dump(dev
);
6091 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6093 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6094 NL80211_WPA_VERSION_2
));
6097 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6099 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6100 struct net_device
*dev
= info
->user_ptr
[1];
6101 struct ieee80211_channel
*chan
;
6102 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6103 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6104 enum nl80211_auth_type auth_type
;
6105 struct key_parse key
;
6106 bool local_state_change
;
6108 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6111 if (!info
->attrs
[NL80211_ATTR_MAC
])
6114 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6117 if (!info
->attrs
[NL80211_ATTR_SSID
])
6120 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6123 err
= nl80211_parse_key(info
, &key
);
6128 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6130 if (!key
.p
.key
|| !key
.p
.key_len
)
6132 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6133 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6134 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6135 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6147 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6148 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6157 if (!rdev
->ops
->auth
)
6160 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6161 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6164 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6165 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6166 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6167 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
6170 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6171 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6173 if (info
->attrs
[NL80211_ATTR_IE
]) {
6174 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6175 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6178 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6179 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6182 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6183 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6186 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6187 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6189 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6190 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6191 /* need to include at least Auth Transaction and Status Code */
6192 if (sae_data_len
< 4)
6196 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6199 * Since we no longer track auth state, ignore
6200 * requests to only change local state.
6202 if (local_state_change
)
6205 wdev_lock(dev
->ieee80211_ptr
);
6206 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6207 ssid
, ssid_len
, ie
, ie_len
,
6208 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6209 sae_data
, sae_data_len
);
6210 wdev_unlock(dev
->ieee80211_ptr
);
6214 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6215 struct genl_info
*info
,
6216 struct cfg80211_crypto_settings
*settings
,
6219 memset(settings
, 0, sizeof(*settings
));
6221 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6223 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6225 proto
= nla_get_u16(
6226 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6227 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6228 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6231 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6232 settings
->control_port_no_encrypt
= true;
6234 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6236 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6240 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6241 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6242 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6244 if (len
% sizeof(u32
))
6247 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6250 memcpy(settings
->ciphers_pairwise
, data
, len
);
6252 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6253 if (!cfg80211_supported_cipher_suite(
6255 settings
->ciphers_pairwise
[i
]))
6259 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6260 settings
->cipher_group
=
6261 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6262 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6263 settings
->cipher_group
))
6267 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6268 settings
->wpa_versions
=
6269 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6270 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6274 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6278 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6279 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6280 settings
->n_akm_suites
= len
/ sizeof(u32
);
6282 if (len
% sizeof(u32
))
6285 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6288 memcpy(settings
->akm_suites
, data
, len
);
6294 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6296 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6297 struct net_device
*dev
= info
->user_ptr
[1];
6298 struct ieee80211_channel
*chan
;
6299 struct cfg80211_assoc_request req
= {};
6300 const u8
*bssid
, *ssid
;
6301 int err
, ssid_len
= 0;
6303 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6306 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6307 !info
->attrs
[NL80211_ATTR_SSID
] ||
6308 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6311 if (!rdev
->ops
->assoc
)
6314 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6315 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6318 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6320 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6321 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6322 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
6325 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6326 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6328 if (info
->attrs
[NL80211_ATTR_IE
]) {
6329 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6330 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6333 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6334 enum nl80211_mfp mfp
=
6335 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6336 if (mfp
== NL80211_MFP_REQUIRED
)
6338 else if (mfp
!= NL80211_MFP_NO
)
6342 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6343 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6345 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6346 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6348 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6349 memcpy(&req
.ht_capa_mask
,
6350 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6351 sizeof(req
.ht_capa_mask
));
6353 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6354 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6356 memcpy(&req
.ht_capa
,
6357 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6358 sizeof(req
.ht_capa
));
6361 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6362 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6364 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6365 memcpy(&req
.vht_capa_mask
,
6366 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6367 sizeof(req
.vht_capa_mask
));
6369 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
6370 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6372 memcpy(&req
.vht_capa
,
6373 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
6374 sizeof(req
.vht_capa
));
6377 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
6379 wdev_lock(dev
->ieee80211_ptr
);
6380 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
6381 ssid
, ssid_len
, &req
);
6382 wdev_unlock(dev
->ieee80211_ptr
);
6388 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6390 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6391 struct net_device
*dev
= info
->user_ptr
[1];
6392 const u8
*ie
= NULL
, *bssid
;
6393 int ie_len
= 0, err
;
6395 bool local_state_change
;
6397 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6400 if (!info
->attrs
[NL80211_ATTR_MAC
])
6403 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6406 if (!rdev
->ops
->deauth
)
6409 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6410 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6413 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6415 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6416 if (reason_code
== 0) {
6417 /* Reason Code 0 is reserved */
6421 if (info
->attrs
[NL80211_ATTR_IE
]) {
6422 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6423 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6426 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6428 wdev_lock(dev
->ieee80211_ptr
);
6429 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6430 local_state_change
);
6431 wdev_unlock(dev
->ieee80211_ptr
);
6435 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
6437 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6438 struct net_device
*dev
= info
->user_ptr
[1];
6439 const u8
*ie
= NULL
, *bssid
;
6440 int ie_len
= 0, err
;
6442 bool local_state_change
;
6444 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6447 if (!info
->attrs
[NL80211_ATTR_MAC
])
6450 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6453 if (!rdev
->ops
->disassoc
)
6456 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6457 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6460 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6462 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6463 if (reason_code
== 0) {
6464 /* Reason Code 0 is reserved */
6468 if (info
->attrs
[NL80211_ATTR_IE
]) {
6469 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6470 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6473 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6475 wdev_lock(dev
->ieee80211_ptr
);
6476 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6477 local_state_change
);
6478 wdev_unlock(dev
->ieee80211_ptr
);
6483 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
6484 int mcast_rate
[IEEE80211_NUM_BANDS
],
6487 struct wiphy
*wiphy
= &rdev
->wiphy
;
6491 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6492 struct ieee80211_supported_band
*sband
;
6494 sband
= wiphy
->bands
[band
];
6498 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
6499 if (sband
->bitrates
[i
].bitrate
== rateval
) {
6500 mcast_rate
[band
] = i
+ 1;
6510 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6512 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6513 struct net_device
*dev
= info
->user_ptr
[1];
6514 struct cfg80211_ibss_params ibss
;
6515 struct wiphy
*wiphy
;
6516 struct cfg80211_cached_keys
*connkeys
= NULL
;
6519 memset(&ibss
, 0, sizeof(ibss
));
6521 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6524 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6525 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6528 ibss
.beacon_interval
= 100;
6530 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
6531 ibss
.beacon_interval
=
6532 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
6533 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
6537 if (!rdev
->ops
->join_ibss
)
6540 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6543 wiphy
= &rdev
->wiphy
;
6545 if (info
->attrs
[NL80211_ATTR_MAC
]) {
6546 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6548 if (!is_valid_ether_addr(ibss
.bssid
))
6551 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6552 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6554 if (info
->attrs
[NL80211_ATTR_IE
]) {
6555 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6556 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6559 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
6563 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
))
6566 switch (ibss
.chandef
.width
) {
6567 case NL80211_CHAN_WIDTH_5
:
6568 case NL80211_CHAN_WIDTH_10
:
6569 case NL80211_CHAN_WIDTH_20_NOHT
:
6571 case NL80211_CHAN_WIDTH_20
:
6572 case NL80211_CHAN_WIDTH_40
:
6573 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
6579 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
6580 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
6582 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
6584 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6586 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6587 struct ieee80211_supported_band
*sband
=
6588 wiphy
->bands
[ibss
.chandef
.chan
->band
];
6590 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
6596 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6597 memcpy(&ibss
.ht_capa_mask
,
6598 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6599 sizeof(ibss
.ht_capa_mask
));
6601 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6602 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6604 memcpy(&ibss
.ht_capa
,
6605 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6606 sizeof(ibss
.ht_capa
));
6609 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
6610 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
6611 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
6614 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
6617 connkeys
= nl80211_parse_connkeys(rdev
,
6618 info
->attrs
[NL80211_ATTR_KEYS
],
6620 if (IS_ERR(connkeys
))
6621 return PTR_ERR(connkeys
);
6623 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
6631 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
6633 ibss
.userspace_handles_dfs
=
6634 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
6636 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
6642 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6644 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6645 struct net_device
*dev
= info
->user_ptr
[1];
6647 if (!rdev
->ops
->leave_ibss
)
6650 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6653 return cfg80211_leave_ibss(rdev
, dev
, false);
6656 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
6658 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6659 struct net_device
*dev
= info
->user_ptr
[1];
6660 int mcast_rate
[IEEE80211_NUM_BANDS
];
6664 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
6665 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6668 if (!rdev
->ops
->set_mcast_rate
)
6671 memset(mcast_rate
, 0, sizeof(mcast_rate
));
6673 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
6676 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
6677 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
6680 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
6686 #ifdef CONFIG_NL80211_TESTMODE
6687 static struct genl_multicast_group nl80211_testmode_mcgrp
= {
6691 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
6693 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6694 struct wireless_dev
*wdev
=
6695 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
6698 if (!rdev
->ops
->testmode_cmd
)
6702 err
= PTR_ERR(wdev
);
6706 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
6710 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
6713 rdev
->testmode_info
= info
;
6714 err
= rdev_testmode_cmd(rdev
, wdev
,
6715 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
6716 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
6717 rdev
->testmode_info
= NULL
;
6722 static int nl80211_testmode_dump(struct sk_buff
*skb
,
6723 struct netlink_callback
*cb
)
6725 struct cfg80211_registered_device
*rdev
;
6735 * 0 is a valid index, but not valid for args[0],
6736 * so we need to offset by 1.
6738 phy_idx
= cb
->args
[0] - 1;
6740 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
6741 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
6746 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
6747 nl80211_fam
.attrbuf
);
6749 err
= PTR_ERR(rdev
);
6752 phy_idx
= rdev
->wiphy_idx
;
6755 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
6757 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
6761 data
= nla_data((void *)cb
->args
[1]);
6762 data_len
= nla_len((void *)cb
->args
[1]);
6765 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
6771 if (!rdev
->ops
->testmode_dump
) {
6777 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
6778 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6779 NL80211_CMD_TESTMODE
);
6780 struct nlattr
*tmdata
;
6785 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
6786 genlmsg_cancel(skb
, hdr
);
6790 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
6792 genlmsg_cancel(skb
, hdr
);
6795 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
6796 nla_nest_end(skb
, tmdata
);
6798 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
6799 genlmsg_cancel(skb
, hdr
);
6802 genlmsg_cancel(skb
, hdr
);
6806 genlmsg_end(skb
, hdr
);
6811 cb
->args
[0] = phy_idx
+ 1;
6817 static struct sk_buff
*
6818 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device
*rdev
,
6819 int approxlen
, u32 portid
, u32 seq
, gfp_t gfp
)
6821 struct sk_buff
*skb
;
6823 struct nlattr
*data
;
6825 skb
= nlmsg_new(approxlen
+ 100, gfp
);
6829 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, NL80211_CMD_TESTMODE
);
6835 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
6836 goto nla_put_failure
;
6837 data
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
6839 ((void **)skb
->cb
)[0] = rdev
;
6840 ((void **)skb
->cb
)[1] = hdr
;
6841 ((void **)skb
->cb
)[2] = data
;
6850 struct sk_buff
*cfg80211_testmode_alloc_reply_skb(struct wiphy
*wiphy
,
6853 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
6855 if (WARN_ON(!rdev
->testmode_info
))
6858 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
,
6859 rdev
->testmode_info
->snd_portid
,
6860 rdev
->testmode_info
->snd_seq
,
6863 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb
);
6865 int cfg80211_testmode_reply(struct sk_buff
*skb
)
6867 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
6868 void *hdr
= ((void **)skb
->cb
)[1];
6869 struct nlattr
*data
= ((void **)skb
->cb
)[2];
6871 if (WARN_ON(!rdev
->testmode_info
)) {
6876 nla_nest_end(skb
, data
);
6877 genlmsg_end(skb
, hdr
);
6878 return genlmsg_reply(skb
, rdev
->testmode_info
);
6880 EXPORT_SYMBOL(cfg80211_testmode_reply
);
6882 struct sk_buff
*cfg80211_testmode_alloc_event_skb(struct wiphy
*wiphy
,
6883 int approxlen
, gfp_t gfp
)
6885 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
6887 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
, 0, 0, gfp
);
6889 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb
);
6891 void cfg80211_testmode_event(struct sk_buff
*skb
, gfp_t gfp
)
6893 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
6894 void *hdr
= ((void **)skb
->cb
)[1];
6895 struct nlattr
*data
= ((void **)skb
->cb
)[2];
6897 nla_nest_end(skb
, data
);
6898 genlmsg_end(skb
, hdr
);
6899 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), skb
, 0,
6900 nl80211_testmode_mcgrp
.id
, gfp
);
6902 EXPORT_SYMBOL(cfg80211_testmode_event
);
6905 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
6907 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6908 struct net_device
*dev
= info
->user_ptr
[1];
6909 struct cfg80211_connect_params connect
;
6910 struct wiphy
*wiphy
;
6911 struct cfg80211_cached_keys
*connkeys
= NULL
;
6914 memset(&connect
, 0, sizeof(connect
));
6916 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6919 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6920 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6923 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
6925 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6926 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
6927 NL80211_CMD_CONNECT
))
6930 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
6932 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
6934 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
6935 NL80211_MAX_NR_CIPHER_SUITES
);
6939 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6940 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6943 wiphy
= &rdev
->wiphy
;
6945 connect
.bg_scan_period
= -1;
6946 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
6947 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
6948 connect
.bg_scan_period
=
6949 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
6952 if (info
->attrs
[NL80211_ATTR_MAC
])
6953 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6954 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6955 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6957 if (info
->attrs
[NL80211_ATTR_IE
]) {
6958 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6959 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6962 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6963 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6964 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
6965 connect
.mfp
!= NL80211_MFP_NO
)
6968 connect
.mfp
= NL80211_MFP_NO
;
6971 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
6973 ieee80211_get_channel(wiphy
,
6974 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6975 if (!connect
.channel
||
6976 connect
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
6980 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
6981 connkeys
= nl80211_parse_connkeys(rdev
,
6982 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
6983 if (IS_ERR(connkeys
))
6984 return PTR_ERR(connkeys
);
6987 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6988 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
6990 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6991 memcpy(&connect
.ht_capa_mask
,
6992 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6993 sizeof(connect
.ht_capa_mask
));
6995 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6996 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
7000 memcpy(&connect
.ht_capa
,
7001 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
7002 sizeof(connect
.ht_capa
));
7005 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
7006 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
7008 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
7009 memcpy(&connect
.vht_capa_mask
,
7010 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
7011 sizeof(connect
.vht_capa_mask
));
7013 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7014 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7018 memcpy(&connect
.vht_capa
,
7019 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7020 sizeof(connect
.vht_capa
));
7023 wdev_lock(dev
->ieee80211_ptr
);
7024 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7025 wdev_unlock(dev
->ieee80211_ptr
);
7031 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7033 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7034 struct net_device
*dev
= info
->user_ptr
[1];
7038 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7039 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7041 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7046 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7047 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7050 wdev_lock(dev
->ieee80211_ptr
);
7051 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7052 wdev_unlock(dev
->ieee80211_ptr
);
7056 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7058 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7063 if (!info
->attrs
[NL80211_ATTR_PID
])
7066 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7068 net
= get_net_ns_by_pid(pid
);
7070 return PTR_ERR(net
);
7074 /* check if anything to do */
7075 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7076 err
= cfg80211_switch_netns(rdev
, net
);
7082 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7084 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7085 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7086 struct cfg80211_pmksa
*pmksa
) = NULL
;
7087 struct net_device
*dev
= info
->user_ptr
[1];
7088 struct cfg80211_pmksa pmksa
;
7090 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7092 if (!info
->attrs
[NL80211_ATTR_MAC
])
7095 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7098 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7099 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7101 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7102 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7105 switch (info
->genlhdr
->cmd
) {
7106 case NL80211_CMD_SET_PMKSA
:
7107 rdev_ops
= rdev
->ops
->set_pmksa
;
7109 case NL80211_CMD_DEL_PMKSA
:
7110 rdev_ops
= rdev
->ops
->del_pmksa
;
7120 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7123 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7125 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7126 struct net_device
*dev
= info
->user_ptr
[1];
7128 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7129 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7132 if (!rdev
->ops
->flush_pmksa
)
7135 return rdev_flush_pmksa(rdev
, dev
);
7138 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7140 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7141 struct net_device
*dev
= info
->user_ptr
[1];
7142 u8 action_code
, dialog_token
;
7146 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7147 !rdev
->ops
->tdls_mgmt
)
7150 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7151 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7152 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7153 !info
->attrs
[NL80211_ATTR_IE
] ||
7154 !info
->attrs
[NL80211_ATTR_MAC
])
7157 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7158 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7159 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7160 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7162 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7163 dialog_token
, status_code
,
7164 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7165 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7168 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7170 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7171 struct net_device
*dev
= info
->user_ptr
[1];
7172 enum nl80211_tdls_operation operation
;
7175 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7176 !rdev
->ops
->tdls_oper
)
7179 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7180 !info
->attrs
[NL80211_ATTR_MAC
])
7183 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7184 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7186 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7189 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7190 struct genl_info
*info
)
7192 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7193 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7194 struct cfg80211_chan_def chandef
;
7195 struct sk_buff
*msg
;
7201 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7202 !info
->attrs
[NL80211_ATTR_DURATION
])
7205 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7207 if (!rdev
->ops
->remain_on_channel
||
7208 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7212 * We should be on that channel for at least a minimum amount of
7213 * time (10ms) but no longer than the driver supports.
7215 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7216 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7219 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7223 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7227 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7228 NL80211_CMD_REMAIN_ON_CHANNEL
);
7234 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7240 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7241 goto nla_put_failure
;
7243 genlmsg_end(msg
, hdr
);
7245 return genlmsg_reply(msg
, info
);
7254 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7255 struct genl_info
*info
)
7257 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7258 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7261 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7264 if (!rdev
->ops
->cancel_remain_on_channel
)
7267 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7269 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7272 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7273 u8
*rates
, u8 rates_len
)
7278 for (i
= 0; i
< rates_len
; i
++) {
7279 int rate
= (rates
[i
] & 0x7f) * 5;
7281 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7282 struct ieee80211_rate
*srate
=
7283 &sband
->bitrates
[ridx
];
7284 if (rate
== srate
->bitrate
) {
7289 if (ridx
== sband
->n_bitrates
)
7290 return 0; /* rate not found */
7296 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7297 u8
*rates
, u8 rates_len
,
7298 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7302 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7304 for (i
= 0; i
< rates_len
; i
++) {
7307 ridx
= rates
[i
] / 8;
7308 rbit
= BIT(rates
[i
] % 8);
7310 /* check validity */
7311 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7314 /* check availability */
7315 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
7324 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
7325 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
7326 .len
= NL80211_MAX_SUPP_RATES
},
7327 [NL80211_TXRATE_MCS
] = { .type
= NLA_BINARY
,
7328 .len
= NL80211_MAX_SUPP_HT_RATES
},
7331 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
7332 struct genl_info
*info
)
7334 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
7335 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7336 struct cfg80211_bitrate_mask mask
;
7338 struct net_device
*dev
= info
->user_ptr
[1];
7339 struct nlattr
*tx_rates
;
7340 struct ieee80211_supported_band
*sband
;
7342 if (info
->attrs
[NL80211_ATTR_TX_RATES
] == NULL
)
7345 if (!rdev
->ops
->set_bitrate_mask
)
7348 memset(&mask
, 0, sizeof(mask
));
7349 /* Default to all rates enabled */
7350 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
7351 sband
= rdev
->wiphy
.bands
[i
];
7352 mask
.control
[i
].legacy
=
7353 sband
? (1 << sband
->n_bitrates
) - 1 : 0;
7355 memcpy(mask
.control
[i
].mcs
,
7356 sband
->ht_cap
.mcs
.rx_mask
,
7357 sizeof(mask
.control
[i
].mcs
));
7359 memset(mask
.control
[i
].mcs
, 0,
7360 sizeof(mask
.control
[i
].mcs
));
7364 * The nested attribute uses enum nl80211_band as the index. This maps
7365 * directly to the enum ieee80211_band values used in cfg80211.
7367 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
7368 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
)
7370 enum ieee80211_band band
= nla_type(tx_rates
);
7371 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
7373 sband
= rdev
->wiphy
.bands
[band
];
7376 nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
7377 nla_len(tx_rates
), nl80211_txattr_policy
);
7378 if (tb
[NL80211_TXRATE_LEGACY
]) {
7379 mask
.control
[band
].legacy
= rateset_to_mask(
7381 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
7382 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
7383 if ((mask
.control
[band
].legacy
== 0) &&
7384 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
7387 if (tb
[NL80211_TXRATE_MCS
]) {
7388 if (!ht_rateset_to_mask(
7390 nla_data(tb
[NL80211_TXRATE_MCS
]),
7391 nla_len(tb
[NL80211_TXRATE_MCS
]),
7392 mask
.control
[band
].mcs
))
7396 if (mask
.control
[band
].legacy
== 0) {
7397 /* don't allow empty legacy rates if HT
7398 * is not even supported. */
7399 if (!rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
)
7402 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
7403 if (mask
.control
[band
].mcs
[i
])
7406 /* legacy and mcs rates may not be both empty */
7407 if (i
== IEEE80211_HT_MCS_MASK_LEN
)
7412 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
7415 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7417 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7418 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7419 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
7421 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
7424 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
7425 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
7427 switch (wdev
->iftype
) {
7428 case NL80211_IFTYPE_STATION
:
7429 case NL80211_IFTYPE_ADHOC
:
7430 case NL80211_IFTYPE_P2P_CLIENT
:
7431 case NL80211_IFTYPE_AP
:
7432 case NL80211_IFTYPE_AP_VLAN
:
7433 case NL80211_IFTYPE_MESH_POINT
:
7434 case NL80211_IFTYPE_P2P_GO
:
7435 case NL80211_IFTYPE_P2P_DEVICE
:
7441 /* not much point in registering if we can't reply */
7442 if (!rdev
->ops
->mgmt_tx
)
7445 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
7446 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
7447 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
7450 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7452 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7453 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7454 struct cfg80211_chan_def chandef
;
7458 struct sk_buff
*msg
= NULL
;
7459 struct cfg80211_mgmt_tx_params params
= {
7460 .dont_wait_for_ack
=
7461 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
7464 if (!info
->attrs
[NL80211_ATTR_FRAME
])
7467 if (!rdev
->ops
->mgmt_tx
)
7470 switch (wdev
->iftype
) {
7471 case NL80211_IFTYPE_P2P_DEVICE
:
7472 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7474 case NL80211_IFTYPE_STATION
:
7475 case NL80211_IFTYPE_ADHOC
:
7476 case NL80211_IFTYPE_P2P_CLIENT
:
7477 case NL80211_IFTYPE_AP
:
7478 case NL80211_IFTYPE_AP_VLAN
:
7479 case NL80211_IFTYPE_MESH_POINT
:
7480 case NL80211_IFTYPE_P2P_GO
:
7486 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
7487 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7489 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7492 * We should wait on the channel for at least a minimum amount
7493 * of time (10ms) but no longer than the driver supports.
7495 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7496 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
7501 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
7503 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7506 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
7508 /* get the channel if any has been specified, otherwise pass NULL to
7509 * the driver. The latter will use the current one
7511 chandef
.chan
= NULL
;
7512 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7513 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7518 if (!chandef
.chan
&& params
.offchan
)
7521 if (!params
.dont_wait_for_ack
) {
7522 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7526 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7534 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
7535 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
7536 params
.chan
= chandef
.chan
;
7537 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
7542 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7543 goto nla_put_failure
;
7545 genlmsg_end(msg
, hdr
);
7546 return genlmsg_reply(msg
, info
);
7558 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
7560 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7561 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7564 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7567 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
7570 switch (wdev
->iftype
) {
7571 case NL80211_IFTYPE_STATION
:
7572 case NL80211_IFTYPE_ADHOC
:
7573 case NL80211_IFTYPE_P2P_CLIENT
:
7574 case NL80211_IFTYPE_AP
:
7575 case NL80211_IFTYPE_AP_VLAN
:
7576 case NL80211_IFTYPE_P2P_GO
:
7577 case NL80211_IFTYPE_P2P_DEVICE
:
7583 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7585 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
7588 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7590 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7591 struct wireless_dev
*wdev
;
7592 struct net_device
*dev
= info
->user_ptr
[1];
7597 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
7600 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
7602 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
7605 wdev
= dev
->ieee80211_ptr
;
7607 if (!rdev
->ops
->set_power_mgmt
)
7610 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
7612 if (state
== wdev
->ps
)
7615 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
7621 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7623 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7624 enum nl80211_ps_state ps_state
;
7625 struct wireless_dev
*wdev
;
7626 struct net_device
*dev
= info
->user_ptr
[1];
7627 struct sk_buff
*msg
;
7631 wdev
= dev
->ieee80211_ptr
;
7633 if (!rdev
->ops
->set_power_mgmt
)
7636 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7640 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7641 NL80211_CMD_GET_POWER_SAVE
);
7648 ps_state
= NL80211_PS_ENABLED
;
7650 ps_state
= NL80211_PS_DISABLED
;
7652 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
7653 goto nla_put_failure
;
7655 genlmsg_end(msg
, hdr
);
7656 return genlmsg_reply(msg
, info
);
7665 static struct nla_policy
7666 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] __read_mostly
= {
7667 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
7668 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
7669 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
7670 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
7671 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
7672 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
7675 static int nl80211_set_cqm_txe(struct genl_info
*info
,
7676 u32 rate
, u32 pkts
, u32 intvl
)
7678 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7679 struct net_device
*dev
= info
->user_ptr
[1];
7680 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7682 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
7685 if (!rdev
->ops
->set_cqm_txe_config
)
7688 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
7689 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7692 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
7695 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
7696 s32 threshold
, u32 hysteresis
)
7698 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7699 struct net_device
*dev
= info
->user_ptr
[1];
7700 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7705 /* disabling - hysteresis should also be zero then */
7709 if (!rdev
->ops
->set_cqm_rssi_config
)
7712 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
7713 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7716 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
7719 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
7721 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
7725 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
7729 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
7730 nl80211_attr_cqm_policy
);
7734 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
7735 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
7736 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
7737 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
7739 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
7742 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
7743 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
7744 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
7745 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
7746 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
7747 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
7749 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
7755 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
7757 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7758 struct net_device
*dev
= info
->user_ptr
[1];
7759 struct mesh_config cfg
;
7760 struct mesh_setup setup
;
7763 /* start with default */
7764 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
7765 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
7767 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
7768 /* and parse parameters if given */
7769 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
7774 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
7775 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
7778 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
7779 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
7781 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7782 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
7783 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7786 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7787 setup
.beacon_interval
=
7788 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7789 if (setup
.beacon_interval
< 10 ||
7790 setup
.beacon_interval
> 10000)
7794 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
7796 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
7797 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
7801 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
7802 /* parse additional setup parameters if given */
7803 err
= nl80211_parse_mesh_setup(info
, &setup
);
7809 cfg
.auto_open_plinks
= false;
7811 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7812 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
7816 /* cfg80211_join_mesh() will sort it out */
7817 setup
.chandef
.chan
= NULL
;
7820 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7821 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7823 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7824 struct ieee80211_supported_band
*sband
;
7826 if (!setup
.chandef
.chan
)
7829 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
7831 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7832 &setup
.basic_rates
);
7837 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
7840 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
7842 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7843 struct net_device
*dev
= info
->user_ptr
[1];
7845 return cfg80211_leave_mesh(rdev
, dev
);
7849 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
7850 struct cfg80211_registered_device
*rdev
)
7852 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
7853 struct nlattr
*nl_pats
, *nl_pat
;
7856 if (!wowlan
->n_patterns
)
7859 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
7863 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
7864 nl_pat
= nla_nest_start(msg
, i
+ 1);
7867 pat_len
= wowlan
->patterns
[i
].pattern_len
;
7868 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
7869 wowlan
->patterns
[i
].mask
) ||
7870 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
7871 wowlan
->patterns
[i
].pattern
) ||
7872 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
7873 wowlan
->patterns
[i
].pkt_offset
))
7875 nla_nest_end(msg
, nl_pat
);
7877 nla_nest_end(msg
, nl_pats
);
7882 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
7883 struct cfg80211_wowlan_tcp
*tcp
)
7885 struct nlattr
*nl_tcp
;
7890 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
7894 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
7895 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
7896 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
7897 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
7898 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
7899 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
7900 tcp
->payload_len
, tcp
->payload
) ||
7901 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
7902 tcp
->data_interval
) ||
7903 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
7904 tcp
->wake_len
, tcp
->wake_data
) ||
7905 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
7906 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
7909 if (tcp
->payload_seq
.len
&&
7910 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
7911 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
7914 if (tcp
->payload_tok
.len
&&
7915 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
7916 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
7920 nla_nest_end(msg
, nl_tcp
);
7925 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
7927 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7928 struct sk_buff
*msg
;
7930 u32 size
= NLMSG_DEFAULT_SIZE
;
7932 if (!rdev
->wiphy
.wowlan
)
7935 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
7936 /* adjust size to have room for all the data */
7937 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
7938 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
7939 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
7940 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
7943 msg
= nlmsg_new(size
, GFP_KERNEL
);
7947 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7948 NL80211_CMD_GET_WOWLAN
);
7950 goto nla_put_failure
;
7952 if (rdev
->wiphy
.wowlan_config
) {
7953 struct nlattr
*nl_wowlan
;
7955 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
7957 goto nla_put_failure
;
7959 if ((rdev
->wiphy
.wowlan_config
->any
&&
7960 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
7961 (rdev
->wiphy
.wowlan_config
->disconnect
&&
7962 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
7963 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
7964 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
7965 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
7966 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
7967 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
7968 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
7969 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
7970 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
7971 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
7972 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
7973 goto nla_put_failure
;
7975 if (nl80211_send_wowlan_patterns(msg
, rdev
))
7976 goto nla_put_failure
;
7978 if (nl80211_send_wowlan_tcp(msg
,
7979 rdev
->wiphy
.wowlan_config
->tcp
))
7980 goto nla_put_failure
;
7982 nla_nest_end(msg
, nl_wowlan
);
7985 genlmsg_end(msg
, hdr
);
7986 return genlmsg_reply(msg
, info
);
7993 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
7994 struct nlattr
*attr
,
7995 struct cfg80211_wowlan
*trig
)
7997 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
7998 struct cfg80211_wowlan_tcp
*cfg
;
7999 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
8000 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
8002 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
8005 if (!rdev
->wiphy
.wowlan
->tcp
)
8008 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
8009 nla_data(attr
), nla_len(attr
),
8010 nl80211_wowlan_tcp_policy
);
8014 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8015 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8016 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8017 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8018 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8019 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8020 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8021 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8024 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8025 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8028 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8029 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8030 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8033 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8034 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8037 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8038 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8041 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8042 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8044 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8045 tokens_size
= tokln
- sizeof(*tok
);
8047 if (!tok
->len
|| tokens_size
% tok
->len
)
8049 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8051 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8053 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8055 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8057 if (tok
->offset
+ tok
->len
> data_size
)
8061 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8062 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8063 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8065 if (seq
->len
== 0 || seq
->len
> 4)
8067 if (seq
->len
+ seq
->offset
> data_size
)
8071 size
= sizeof(*cfg
);
8073 size
+= wake_size
+ wake_mask_size
;
8074 size
+= tokens_size
;
8076 cfg
= kzalloc(size
, GFP_KERNEL
);
8079 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8080 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8081 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8083 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8084 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8088 /* allocate a socket and port for it and use it */
8089 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8090 IPPROTO_TCP
, &cfg
->sock
, 1);
8095 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8096 sock_release(cfg
->sock
);
8100 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8106 cfg
->src_port
= port
;
8109 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8110 cfg
->payload_len
= data_size
;
8111 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8112 memcpy((void *)cfg
->payload
,
8113 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8116 cfg
->payload_seq
= *seq
;
8117 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8118 cfg
->wake_len
= wake_size
;
8119 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8120 memcpy((void *)cfg
->wake_data
,
8121 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8123 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8124 data_size
+ wake_size
;
8125 memcpy((void *)cfg
->wake_mask
,
8126 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8129 cfg
->tokens_size
= tokens_size
;
8130 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8138 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8140 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8141 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8142 struct cfg80211_wowlan new_triggers
= {};
8143 struct cfg80211_wowlan
*ntrig
;
8144 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8146 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8151 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8152 cfg80211_rdev_free_wowlan(rdev
);
8153 rdev
->wiphy
.wowlan_config
= NULL
;
8157 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
8158 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8159 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8160 nl80211_wowlan_policy
);
8164 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
8165 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
8167 new_triggers
.any
= true;
8170 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
8171 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
8173 new_triggers
.disconnect
= true;
8176 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
8177 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
8179 new_triggers
.magic_pkt
= true;
8182 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
8185 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
8186 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
8188 new_triggers
.gtk_rekey_failure
= true;
8191 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
8192 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
8194 new_triggers
.eap_identity_req
= true;
8197 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
8198 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
8200 new_triggers
.four_way_handshake
= true;
8203 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
8204 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
8206 new_triggers
.rfkill_release
= true;
8209 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
8212 int rem
, pat_len
, mask_len
, pkt_offset
;
8213 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8215 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8218 if (n_patterns
> wowlan
->n_patterns
)
8221 new_triggers
.patterns
= kcalloc(n_patterns
,
8222 sizeof(new_triggers
.patterns
[0]),
8224 if (!new_triggers
.patterns
)
8227 new_triggers
.n_patterns
= n_patterns
;
8230 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8232 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8233 nla_len(pat
), NULL
);
8235 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8236 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8238 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8239 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8240 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8242 if (pat_len
> wowlan
->pattern_max_len
||
8243 pat_len
< wowlan
->pattern_min_len
)
8246 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8249 pkt_offset
= nla_get_u32(
8250 pat_tb
[NL80211_PKTPAT_OFFSET
]);
8251 if (pkt_offset
> wowlan
->max_pkt_offset
)
8253 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
8255 new_triggers
.patterns
[i
].mask
=
8256 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8257 if (!new_triggers
.patterns
[i
].mask
) {
8261 new_triggers
.patterns
[i
].pattern
=
8262 new_triggers
.patterns
[i
].mask
+ mask_len
;
8263 memcpy(new_triggers
.patterns
[i
].mask
,
8264 nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8266 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
8267 memcpy(new_triggers
.patterns
[i
].pattern
,
8268 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8274 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
8275 err
= nl80211_parse_wowlan_tcp(
8276 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
8282 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
8287 cfg80211_rdev_free_wowlan(rdev
);
8288 rdev
->wiphy
.wowlan_config
= ntrig
;
8291 if (rdev
->ops
->set_wakeup
&&
8292 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
8293 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
8297 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
8298 kfree(new_triggers
.patterns
[i
].mask
);
8299 kfree(new_triggers
.patterns
);
8300 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
8301 sock_release(new_triggers
.tcp
->sock
);
8302 kfree(new_triggers
.tcp
);
8307 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
8308 struct cfg80211_registered_device
*rdev
)
8310 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
8312 struct cfg80211_coalesce_rules
*rule
;
8314 if (!rdev
->coalesce
->n_rules
)
8317 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
8321 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
8322 nl_rule
= nla_nest_start(msg
, i
+ 1);
8326 rule
= &rdev
->coalesce
->rules
[i
];
8327 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
8331 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
8335 nl_pats
= nla_nest_start(msg
,
8336 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
8340 for (j
= 0; j
< rule
->n_patterns
; j
++) {
8341 nl_pat
= nla_nest_start(msg
, j
+ 1);
8344 pat_len
= rule
->patterns
[j
].pattern_len
;
8345 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
8346 DIV_ROUND_UP(pat_len
, 8),
8347 rule
->patterns
[j
].mask
) ||
8348 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8349 rule
->patterns
[j
].pattern
) ||
8350 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8351 rule
->patterns
[j
].pkt_offset
))
8353 nla_nest_end(msg
, nl_pat
);
8355 nla_nest_end(msg
, nl_pats
);
8356 nla_nest_end(msg
, nl_rule
);
8358 nla_nest_end(msg
, nl_rules
);
8363 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8365 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8366 struct sk_buff
*msg
;
8369 if (!rdev
->wiphy
.coalesce
)
8372 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8376 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8377 NL80211_CMD_GET_COALESCE
);
8379 goto nla_put_failure
;
8381 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
8382 goto nla_put_failure
;
8384 genlmsg_end(msg
, hdr
);
8385 return genlmsg_reply(msg
, info
);
8392 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
8394 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
8396 struct cfg80211_coalesce_rules
*rule
;
8401 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
8402 rule
= &coalesce
->rules
[i
];
8403 for (j
= 0; j
< rule
->n_patterns
; j
++)
8404 kfree(rule
->patterns
[j
].mask
);
8405 kfree(rule
->patterns
);
8407 kfree(coalesce
->rules
);
8409 rdev
->coalesce
= NULL
;
8412 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
8413 struct nlattr
*rule
,
8414 struct cfg80211_coalesce_rules
*new_rule
)
8417 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8418 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
8419 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
8420 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8422 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
8423 nla_len(rule
), nl80211_coalesce_policy
);
8427 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
8429 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
8430 if (new_rule
->delay
> coalesce
->max_delay
)
8433 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
8434 new_rule
->condition
=
8435 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
8436 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
8437 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
8440 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
8443 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8446 if (n_patterns
> coalesce
->n_patterns
)
8449 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
8451 if (!new_rule
->patterns
)
8454 new_rule
->n_patterns
= n_patterns
;
8457 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8459 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8460 nla_len(pat
), NULL
);
8461 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8462 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8464 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8465 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8466 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8468 if (pat_len
> coalesce
->pattern_max_len
||
8469 pat_len
< coalesce
->pattern_min_len
)
8472 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8475 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
8476 if (pkt_offset
> coalesce
->max_pkt_offset
)
8478 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
8480 new_rule
->patterns
[i
].mask
=
8481 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8482 if (!new_rule
->patterns
[i
].mask
)
8484 new_rule
->patterns
[i
].pattern
=
8485 new_rule
->patterns
[i
].mask
+ mask_len
;
8486 memcpy(new_rule
->patterns
[i
].mask
,
8487 nla_data(pat_tb
[NL80211_PKTPAT_MASK
]), mask_len
);
8488 new_rule
->patterns
[i
].pattern_len
= pat_len
;
8489 memcpy(new_rule
->patterns
[i
].pattern
,
8490 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]), pat_len
);
8497 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8499 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8500 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8501 struct cfg80211_coalesce new_coalesce
= {};
8502 struct cfg80211_coalesce
*n_coalesce
;
8503 int err
, rem_rule
, n_rules
= 0, i
, j
;
8504 struct nlattr
*rule
;
8505 struct cfg80211_coalesce_rules
*tmp_rule
;
8507 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
8510 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
8511 cfg80211_rdev_free_coalesce(rdev
);
8512 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
8516 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8519 if (n_rules
> coalesce
->n_rules
)
8522 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
8524 if (!new_coalesce
.rules
)
8527 new_coalesce
.n_rules
= n_rules
;
8530 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8532 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
8533 &new_coalesce
.rules
[i
]);
8540 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
8544 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
8549 cfg80211_rdev_free_coalesce(rdev
);
8550 rdev
->coalesce
= n_coalesce
;
8554 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
8555 tmp_rule
= &new_coalesce
.rules
[i
];
8556 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
8557 kfree(tmp_rule
->patterns
[j
].mask
);
8558 kfree(tmp_rule
->patterns
);
8560 kfree(new_coalesce
.rules
);
8565 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
8567 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8568 struct net_device
*dev
= info
->user_ptr
[1];
8569 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8570 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
8571 struct cfg80211_gtk_rekey_data rekey_data
;
8574 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
8577 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
8578 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8579 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8580 nl80211_rekey_policy
);
8584 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
8586 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
8588 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
8591 memcpy(rekey_data
.kek
, nla_data(tb
[NL80211_REKEY_DATA_KEK
]),
8593 memcpy(rekey_data
.kck
, nla_data(tb
[NL80211_REKEY_DATA_KCK
]),
8595 memcpy(rekey_data
.replay_ctr
,
8596 nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]),
8597 NL80211_REPLAY_CTR_LEN
);
8600 if (!wdev
->current_bss
) {
8605 if (!rdev
->ops
->set_rekey_data
) {
8610 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
8616 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
8617 struct genl_info
*info
)
8619 struct net_device
*dev
= info
->user_ptr
[1];
8620 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8622 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8623 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8626 if (wdev
->ap_unexpected_nlportid
)
8629 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
8633 static int nl80211_probe_client(struct sk_buff
*skb
,
8634 struct genl_info
*info
)
8636 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8637 struct net_device
*dev
= info
->user_ptr
[1];
8638 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8639 struct sk_buff
*msg
;
8645 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8646 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8649 if (!info
->attrs
[NL80211_ATTR_MAC
])
8652 if (!rdev
->ops
->probe_client
)
8655 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8659 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8660 NL80211_CMD_PROBE_CLIENT
);
8666 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8668 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
8672 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8673 goto nla_put_failure
;
8675 genlmsg_end(msg
, hdr
);
8677 return genlmsg_reply(msg
, info
);
8686 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
8688 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8689 struct cfg80211_beacon_registration
*reg
, *nreg
;
8692 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
8695 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
8699 /* First, check if already registered. */
8700 spin_lock_bh(&rdev
->beacon_registrations_lock
);
8701 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
8702 if (reg
->nlportid
== info
->snd_portid
) {
8707 /* Add it to the list */
8708 nreg
->nlportid
= info
->snd_portid
;
8709 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
8711 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
8715 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
8720 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
8722 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8723 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8726 if (!rdev
->ops
->start_p2p_device
)
8729 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
8732 if (wdev
->p2p_started
)
8735 err
= cfg80211_can_add_interface(rdev
, wdev
->iftype
);
8739 err
= rdev_start_p2p_device(rdev
, wdev
);
8743 wdev
->p2p_started
= true;
8749 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
8751 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8752 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8754 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
8757 if (!rdev
->ops
->stop_p2p_device
)
8760 cfg80211_stop_p2p_device(rdev
, wdev
);
8765 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
8766 struct genl_info
*info
)
8769 struct sk_buff
*msg
;
8771 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8775 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8776 NL80211_CMD_GET_PROTOCOL_FEATURES
);
8778 goto nla_put_failure
;
8780 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
8781 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
8782 goto nla_put_failure
;
8784 genlmsg_end(msg
, hdr
);
8785 return genlmsg_reply(msg
, info
);
8792 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
8794 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8795 struct cfg80211_update_ft_ies_params ft_params
;
8796 struct net_device
*dev
= info
->user_ptr
[1];
8798 if (!rdev
->ops
->update_ft_ies
)
8801 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
8802 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8805 memset(&ft_params
, 0, sizeof(ft_params
));
8806 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
8807 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8808 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8810 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
8813 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
8814 struct genl_info
*info
)
8816 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8817 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8818 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
8822 if (!rdev
->ops
->crit_proto_start
)
8825 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
8828 if (rdev
->crit_proto_nlportid
)
8831 /* determine protocol if provided */
8832 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
8833 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
8835 if (proto
>= NUM_NL80211_CRIT_PROTO
)
8838 /* timeout must be provided */
8839 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
8843 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
8845 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
8848 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
8850 rdev
->crit_proto_nlportid
= info
->snd_portid
;
8855 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
8856 struct genl_info
*info
)
8858 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8859 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8861 if (!rdev
->ops
->crit_proto_stop
)
8864 if (rdev
->crit_proto_nlportid
) {
8865 rdev
->crit_proto_nlportid
= 0;
8866 rdev_crit_proto_stop(rdev
, wdev
);
8871 #define NL80211_FLAG_NEED_WIPHY 0x01
8872 #define NL80211_FLAG_NEED_NETDEV 0x02
8873 #define NL80211_FLAG_NEED_RTNL 0x04
8874 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
8875 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
8876 NL80211_FLAG_CHECK_NETDEV_UP)
8877 #define NL80211_FLAG_NEED_WDEV 0x10
8878 /* If a netdev is associated, it must be UP, P2P must be started */
8879 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
8880 NL80211_FLAG_CHECK_NETDEV_UP)
8882 static int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
8883 struct genl_info
*info
)
8885 struct cfg80211_registered_device
*rdev
;
8886 struct wireless_dev
*wdev
;
8887 struct net_device
*dev
;
8888 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
8893 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
8894 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
8898 return PTR_ERR(rdev
);
8900 info
->user_ptr
[0] = rdev
;
8901 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
8902 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
8905 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
8910 return PTR_ERR(wdev
);
8914 rdev
= wiphy_to_dev(wdev
->wiphy
);
8916 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
8923 info
->user_ptr
[1] = dev
;
8925 info
->user_ptr
[1] = wdev
;
8929 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
8930 !netif_running(dev
)) {
8937 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
8938 if (!wdev
->p2p_started
) {
8945 info
->user_ptr
[0] = rdev
;
8951 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
8952 struct genl_info
*info
)
8954 if (info
->user_ptr
[1]) {
8955 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
8956 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8959 dev_put(wdev
->netdev
);
8961 dev_put(info
->user_ptr
[1]);
8964 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
8968 static struct genl_ops nl80211_ops
[] = {
8970 .cmd
= NL80211_CMD_GET_WIPHY
,
8971 .doit
= nl80211_get_wiphy
,
8972 .dumpit
= nl80211_dump_wiphy
,
8973 .done
= nl80211_dump_wiphy_done
,
8974 .policy
= nl80211_policy
,
8975 /* can be retrieved by unprivileged users */
8976 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
8977 NL80211_FLAG_NEED_RTNL
,
8980 .cmd
= NL80211_CMD_SET_WIPHY
,
8981 .doit
= nl80211_set_wiphy
,
8982 .policy
= nl80211_policy
,
8983 .flags
= GENL_ADMIN_PERM
,
8984 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
8987 .cmd
= NL80211_CMD_GET_INTERFACE
,
8988 .doit
= nl80211_get_interface
,
8989 .dumpit
= nl80211_dump_interface
,
8990 .policy
= nl80211_policy
,
8991 /* can be retrieved by unprivileged users */
8992 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
8993 NL80211_FLAG_NEED_RTNL
,
8996 .cmd
= NL80211_CMD_SET_INTERFACE
,
8997 .doit
= nl80211_set_interface
,
8998 .policy
= nl80211_policy
,
8999 .flags
= GENL_ADMIN_PERM
,
9000 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9001 NL80211_FLAG_NEED_RTNL
,
9004 .cmd
= NL80211_CMD_NEW_INTERFACE
,
9005 .doit
= nl80211_new_interface
,
9006 .policy
= nl80211_policy
,
9007 .flags
= GENL_ADMIN_PERM
,
9008 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9009 NL80211_FLAG_NEED_RTNL
,
9012 .cmd
= NL80211_CMD_DEL_INTERFACE
,
9013 .doit
= nl80211_del_interface
,
9014 .policy
= nl80211_policy
,
9015 .flags
= GENL_ADMIN_PERM
,
9016 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9017 NL80211_FLAG_NEED_RTNL
,
9020 .cmd
= NL80211_CMD_GET_KEY
,
9021 .doit
= nl80211_get_key
,
9022 .policy
= nl80211_policy
,
9023 .flags
= GENL_ADMIN_PERM
,
9024 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9025 NL80211_FLAG_NEED_RTNL
,
9028 .cmd
= NL80211_CMD_SET_KEY
,
9029 .doit
= nl80211_set_key
,
9030 .policy
= nl80211_policy
,
9031 .flags
= GENL_ADMIN_PERM
,
9032 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9033 NL80211_FLAG_NEED_RTNL
,
9036 .cmd
= NL80211_CMD_NEW_KEY
,
9037 .doit
= nl80211_new_key
,
9038 .policy
= nl80211_policy
,
9039 .flags
= GENL_ADMIN_PERM
,
9040 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9041 NL80211_FLAG_NEED_RTNL
,
9044 .cmd
= NL80211_CMD_DEL_KEY
,
9045 .doit
= nl80211_del_key
,
9046 .policy
= nl80211_policy
,
9047 .flags
= GENL_ADMIN_PERM
,
9048 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9049 NL80211_FLAG_NEED_RTNL
,
9052 .cmd
= NL80211_CMD_SET_BEACON
,
9053 .policy
= nl80211_policy
,
9054 .flags
= GENL_ADMIN_PERM
,
9055 .doit
= nl80211_set_beacon
,
9056 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9057 NL80211_FLAG_NEED_RTNL
,
9060 .cmd
= NL80211_CMD_START_AP
,
9061 .policy
= nl80211_policy
,
9062 .flags
= GENL_ADMIN_PERM
,
9063 .doit
= nl80211_start_ap
,
9064 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9065 NL80211_FLAG_NEED_RTNL
,
9068 .cmd
= NL80211_CMD_STOP_AP
,
9069 .policy
= nl80211_policy
,
9070 .flags
= GENL_ADMIN_PERM
,
9071 .doit
= nl80211_stop_ap
,
9072 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9073 NL80211_FLAG_NEED_RTNL
,
9076 .cmd
= NL80211_CMD_GET_STATION
,
9077 .doit
= nl80211_get_station
,
9078 .dumpit
= nl80211_dump_station
,
9079 .policy
= nl80211_policy
,
9080 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9081 NL80211_FLAG_NEED_RTNL
,
9084 .cmd
= NL80211_CMD_SET_STATION
,
9085 .doit
= nl80211_set_station
,
9086 .policy
= nl80211_policy
,
9087 .flags
= GENL_ADMIN_PERM
,
9088 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9089 NL80211_FLAG_NEED_RTNL
,
9092 .cmd
= NL80211_CMD_NEW_STATION
,
9093 .doit
= nl80211_new_station
,
9094 .policy
= nl80211_policy
,
9095 .flags
= GENL_ADMIN_PERM
,
9096 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9097 NL80211_FLAG_NEED_RTNL
,
9100 .cmd
= NL80211_CMD_DEL_STATION
,
9101 .doit
= nl80211_del_station
,
9102 .policy
= nl80211_policy
,
9103 .flags
= GENL_ADMIN_PERM
,
9104 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9105 NL80211_FLAG_NEED_RTNL
,
9108 .cmd
= NL80211_CMD_GET_MPATH
,
9109 .doit
= nl80211_get_mpath
,
9110 .dumpit
= nl80211_dump_mpath
,
9111 .policy
= nl80211_policy
,
9112 .flags
= GENL_ADMIN_PERM
,
9113 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9114 NL80211_FLAG_NEED_RTNL
,
9117 .cmd
= NL80211_CMD_SET_MPATH
,
9118 .doit
= nl80211_set_mpath
,
9119 .policy
= nl80211_policy
,
9120 .flags
= GENL_ADMIN_PERM
,
9121 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9122 NL80211_FLAG_NEED_RTNL
,
9125 .cmd
= NL80211_CMD_NEW_MPATH
,
9126 .doit
= nl80211_new_mpath
,
9127 .policy
= nl80211_policy
,
9128 .flags
= GENL_ADMIN_PERM
,
9129 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9130 NL80211_FLAG_NEED_RTNL
,
9133 .cmd
= NL80211_CMD_DEL_MPATH
,
9134 .doit
= nl80211_del_mpath
,
9135 .policy
= nl80211_policy
,
9136 .flags
= GENL_ADMIN_PERM
,
9137 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9138 NL80211_FLAG_NEED_RTNL
,
9141 .cmd
= NL80211_CMD_SET_BSS
,
9142 .doit
= nl80211_set_bss
,
9143 .policy
= nl80211_policy
,
9144 .flags
= GENL_ADMIN_PERM
,
9145 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9146 NL80211_FLAG_NEED_RTNL
,
9149 .cmd
= NL80211_CMD_GET_REG
,
9150 .doit
= nl80211_get_reg
,
9151 .policy
= nl80211_policy
,
9152 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9153 /* can be retrieved by unprivileged users */
9156 .cmd
= NL80211_CMD_SET_REG
,
9157 .doit
= nl80211_set_reg
,
9158 .policy
= nl80211_policy
,
9159 .flags
= GENL_ADMIN_PERM
,
9160 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9163 .cmd
= NL80211_CMD_REQ_SET_REG
,
9164 .doit
= nl80211_req_set_reg
,
9165 .policy
= nl80211_policy
,
9166 .flags
= GENL_ADMIN_PERM
,
9169 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
9170 .doit
= nl80211_get_mesh_config
,
9171 .policy
= nl80211_policy
,
9172 /* can be retrieved by unprivileged users */
9173 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9174 NL80211_FLAG_NEED_RTNL
,
9177 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
9178 .doit
= nl80211_update_mesh_config
,
9179 .policy
= nl80211_policy
,
9180 .flags
= GENL_ADMIN_PERM
,
9181 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9182 NL80211_FLAG_NEED_RTNL
,
9185 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
9186 .doit
= nl80211_trigger_scan
,
9187 .policy
= nl80211_policy
,
9188 .flags
= GENL_ADMIN_PERM
,
9189 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9190 NL80211_FLAG_NEED_RTNL
,
9193 .cmd
= NL80211_CMD_GET_SCAN
,
9194 .policy
= nl80211_policy
,
9195 .dumpit
= nl80211_dump_scan
,
9198 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
9199 .doit
= nl80211_start_sched_scan
,
9200 .policy
= nl80211_policy
,
9201 .flags
= GENL_ADMIN_PERM
,
9202 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9203 NL80211_FLAG_NEED_RTNL
,
9206 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
9207 .doit
= nl80211_stop_sched_scan
,
9208 .policy
= nl80211_policy
,
9209 .flags
= GENL_ADMIN_PERM
,
9210 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9211 NL80211_FLAG_NEED_RTNL
,
9214 .cmd
= NL80211_CMD_AUTHENTICATE
,
9215 .doit
= nl80211_authenticate
,
9216 .policy
= nl80211_policy
,
9217 .flags
= GENL_ADMIN_PERM
,
9218 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9219 NL80211_FLAG_NEED_RTNL
,
9222 .cmd
= NL80211_CMD_ASSOCIATE
,
9223 .doit
= nl80211_associate
,
9224 .policy
= nl80211_policy
,
9225 .flags
= GENL_ADMIN_PERM
,
9226 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9227 NL80211_FLAG_NEED_RTNL
,
9230 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
9231 .doit
= nl80211_deauthenticate
,
9232 .policy
= nl80211_policy
,
9233 .flags
= GENL_ADMIN_PERM
,
9234 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9235 NL80211_FLAG_NEED_RTNL
,
9238 .cmd
= NL80211_CMD_DISASSOCIATE
,
9239 .doit
= nl80211_disassociate
,
9240 .policy
= nl80211_policy
,
9241 .flags
= GENL_ADMIN_PERM
,
9242 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9243 NL80211_FLAG_NEED_RTNL
,
9246 .cmd
= NL80211_CMD_JOIN_IBSS
,
9247 .doit
= nl80211_join_ibss
,
9248 .policy
= nl80211_policy
,
9249 .flags
= GENL_ADMIN_PERM
,
9250 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9251 NL80211_FLAG_NEED_RTNL
,
9254 .cmd
= NL80211_CMD_LEAVE_IBSS
,
9255 .doit
= nl80211_leave_ibss
,
9256 .policy
= nl80211_policy
,
9257 .flags
= GENL_ADMIN_PERM
,
9258 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9259 NL80211_FLAG_NEED_RTNL
,
9261 #ifdef CONFIG_NL80211_TESTMODE
9263 .cmd
= NL80211_CMD_TESTMODE
,
9264 .doit
= nl80211_testmode_do
,
9265 .dumpit
= nl80211_testmode_dump
,
9266 .policy
= nl80211_policy
,
9267 .flags
= GENL_ADMIN_PERM
,
9268 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9269 NL80211_FLAG_NEED_RTNL
,
9273 .cmd
= NL80211_CMD_CONNECT
,
9274 .doit
= nl80211_connect
,
9275 .policy
= nl80211_policy
,
9276 .flags
= GENL_ADMIN_PERM
,
9277 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9278 NL80211_FLAG_NEED_RTNL
,
9281 .cmd
= NL80211_CMD_DISCONNECT
,
9282 .doit
= nl80211_disconnect
,
9283 .policy
= nl80211_policy
,
9284 .flags
= GENL_ADMIN_PERM
,
9285 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9286 NL80211_FLAG_NEED_RTNL
,
9289 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
9290 .doit
= nl80211_wiphy_netns
,
9291 .policy
= nl80211_policy
,
9292 .flags
= GENL_ADMIN_PERM
,
9293 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9294 NL80211_FLAG_NEED_RTNL
,
9297 .cmd
= NL80211_CMD_GET_SURVEY
,
9298 .policy
= nl80211_policy
,
9299 .dumpit
= nl80211_dump_survey
,
9302 .cmd
= NL80211_CMD_SET_PMKSA
,
9303 .doit
= nl80211_setdel_pmksa
,
9304 .policy
= nl80211_policy
,
9305 .flags
= GENL_ADMIN_PERM
,
9306 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9307 NL80211_FLAG_NEED_RTNL
,
9310 .cmd
= NL80211_CMD_DEL_PMKSA
,
9311 .doit
= nl80211_setdel_pmksa
,
9312 .policy
= nl80211_policy
,
9313 .flags
= GENL_ADMIN_PERM
,
9314 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9315 NL80211_FLAG_NEED_RTNL
,
9318 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
9319 .doit
= nl80211_flush_pmksa
,
9320 .policy
= nl80211_policy
,
9321 .flags
= GENL_ADMIN_PERM
,
9322 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9323 NL80211_FLAG_NEED_RTNL
,
9326 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
9327 .doit
= nl80211_remain_on_channel
,
9328 .policy
= nl80211_policy
,
9329 .flags
= GENL_ADMIN_PERM
,
9330 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9331 NL80211_FLAG_NEED_RTNL
,
9334 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
9335 .doit
= nl80211_cancel_remain_on_channel
,
9336 .policy
= nl80211_policy
,
9337 .flags
= GENL_ADMIN_PERM
,
9338 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9339 NL80211_FLAG_NEED_RTNL
,
9342 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
9343 .doit
= nl80211_set_tx_bitrate_mask
,
9344 .policy
= nl80211_policy
,
9345 .flags
= GENL_ADMIN_PERM
,
9346 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9347 NL80211_FLAG_NEED_RTNL
,
9350 .cmd
= NL80211_CMD_REGISTER_FRAME
,
9351 .doit
= nl80211_register_mgmt
,
9352 .policy
= nl80211_policy
,
9353 .flags
= GENL_ADMIN_PERM
,
9354 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9355 NL80211_FLAG_NEED_RTNL
,
9358 .cmd
= NL80211_CMD_FRAME
,
9359 .doit
= nl80211_tx_mgmt
,
9360 .policy
= nl80211_policy
,
9361 .flags
= GENL_ADMIN_PERM
,
9362 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9363 NL80211_FLAG_NEED_RTNL
,
9366 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
9367 .doit
= nl80211_tx_mgmt_cancel_wait
,
9368 .policy
= nl80211_policy
,
9369 .flags
= GENL_ADMIN_PERM
,
9370 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9371 NL80211_FLAG_NEED_RTNL
,
9374 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
9375 .doit
= nl80211_set_power_save
,
9376 .policy
= nl80211_policy
,
9377 .flags
= GENL_ADMIN_PERM
,
9378 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9379 NL80211_FLAG_NEED_RTNL
,
9382 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
9383 .doit
= nl80211_get_power_save
,
9384 .policy
= nl80211_policy
,
9385 /* can be retrieved by unprivileged users */
9386 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9387 NL80211_FLAG_NEED_RTNL
,
9390 .cmd
= NL80211_CMD_SET_CQM
,
9391 .doit
= nl80211_set_cqm
,
9392 .policy
= nl80211_policy
,
9393 .flags
= GENL_ADMIN_PERM
,
9394 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9395 NL80211_FLAG_NEED_RTNL
,
9398 .cmd
= NL80211_CMD_SET_CHANNEL
,
9399 .doit
= nl80211_set_channel
,
9400 .policy
= nl80211_policy
,
9401 .flags
= GENL_ADMIN_PERM
,
9402 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9403 NL80211_FLAG_NEED_RTNL
,
9406 .cmd
= NL80211_CMD_SET_WDS_PEER
,
9407 .doit
= nl80211_set_wds_peer
,
9408 .policy
= nl80211_policy
,
9409 .flags
= GENL_ADMIN_PERM
,
9410 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9411 NL80211_FLAG_NEED_RTNL
,
9414 .cmd
= NL80211_CMD_JOIN_MESH
,
9415 .doit
= nl80211_join_mesh
,
9416 .policy
= nl80211_policy
,
9417 .flags
= GENL_ADMIN_PERM
,
9418 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9419 NL80211_FLAG_NEED_RTNL
,
9422 .cmd
= NL80211_CMD_LEAVE_MESH
,
9423 .doit
= nl80211_leave_mesh
,
9424 .policy
= nl80211_policy
,
9425 .flags
= GENL_ADMIN_PERM
,
9426 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9427 NL80211_FLAG_NEED_RTNL
,
9431 .cmd
= NL80211_CMD_GET_WOWLAN
,
9432 .doit
= nl80211_get_wowlan
,
9433 .policy
= nl80211_policy
,
9434 /* can be retrieved by unprivileged users */
9435 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9436 NL80211_FLAG_NEED_RTNL
,
9439 .cmd
= NL80211_CMD_SET_WOWLAN
,
9440 .doit
= nl80211_set_wowlan
,
9441 .policy
= nl80211_policy
,
9442 .flags
= GENL_ADMIN_PERM
,
9443 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9444 NL80211_FLAG_NEED_RTNL
,
9448 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
9449 .doit
= nl80211_set_rekey_data
,
9450 .policy
= nl80211_policy
,
9451 .flags
= GENL_ADMIN_PERM
,
9452 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9453 NL80211_FLAG_NEED_RTNL
,
9456 .cmd
= NL80211_CMD_TDLS_MGMT
,
9457 .doit
= nl80211_tdls_mgmt
,
9458 .policy
= nl80211_policy
,
9459 .flags
= GENL_ADMIN_PERM
,
9460 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9461 NL80211_FLAG_NEED_RTNL
,
9464 .cmd
= NL80211_CMD_TDLS_OPER
,
9465 .doit
= nl80211_tdls_oper
,
9466 .policy
= nl80211_policy
,
9467 .flags
= GENL_ADMIN_PERM
,
9468 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9469 NL80211_FLAG_NEED_RTNL
,
9472 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
9473 .doit
= nl80211_register_unexpected_frame
,
9474 .policy
= nl80211_policy
,
9475 .flags
= GENL_ADMIN_PERM
,
9476 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9477 NL80211_FLAG_NEED_RTNL
,
9480 .cmd
= NL80211_CMD_PROBE_CLIENT
,
9481 .doit
= nl80211_probe_client
,
9482 .policy
= nl80211_policy
,
9483 .flags
= GENL_ADMIN_PERM
,
9484 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9485 NL80211_FLAG_NEED_RTNL
,
9488 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
9489 .doit
= nl80211_register_beacons
,
9490 .policy
= nl80211_policy
,
9491 .flags
= GENL_ADMIN_PERM
,
9492 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9493 NL80211_FLAG_NEED_RTNL
,
9496 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
9497 .doit
= nl80211_set_noack_map
,
9498 .policy
= nl80211_policy
,
9499 .flags
= GENL_ADMIN_PERM
,
9500 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9501 NL80211_FLAG_NEED_RTNL
,
9504 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
9505 .doit
= nl80211_start_p2p_device
,
9506 .policy
= nl80211_policy
,
9507 .flags
= GENL_ADMIN_PERM
,
9508 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9509 NL80211_FLAG_NEED_RTNL
,
9512 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
9513 .doit
= nl80211_stop_p2p_device
,
9514 .policy
= nl80211_policy
,
9515 .flags
= GENL_ADMIN_PERM
,
9516 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9517 NL80211_FLAG_NEED_RTNL
,
9520 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
9521 .doit
= nl80211_set_mcast_rate
,
9522 .policy
= nl80211_policy
,
9523 .flags
= GENL_ADMIN_PERM
,
9524 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9525 NL80211_FLAG_NEED_RTNL
,
9528 .cmd
= NL80211_CMD_SET_MAC_ACL
,
9529 .doit
= nl80211_set_mac_acl
,
9530 .policy
= nl80211_policy
,
9531 .flags
= GENL_ADMIN_PERM
,
9532 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9533 NL80211_FLAG_NEED_RTNL
,
9536 .cmd
= NL80211_CMD_RADAR_DETECT
,
9537 .doit
= nl80211_start_radar_detection
,
9538 .policy
= nl80211_policy
,
9539 .flags
= GENL_ADMIN_PERM
,
9540 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9541 NL80211_FLAG_NEED_RTNL
,
9544 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
9545 .doit
= nl80211_get_protocol_features
,
9546 .policy
= nl80211_policy
,
9549 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
9550 .doit
= nl80211_update_ft_ies
,
9551 .policy
= nl80211_policy
,
9552 .flags
= GENL_ADMIN_PERM
,
9553 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9554 NL80211_FLAG_NEED_RTNL
,
9557 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
9558 .doit
= nl80211_crit_protocol_start
,
9559 .policy
= nl80211_policy
,
9560 .flags
= GENL_ADMIN_PERM
,
9561 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9562 NL80211_FLAG_NEED_RTNL
,
9565 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
9566 .doit
= nl80211_crit_protocol_stop
,
9567 .policy
= nl80211_policy
,
9568 .flags
= GENL_ADMIN_PERM
,
9569 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9570 NL80211_FLAG_NEED_RTNL
,
9573 .cmd
= NL80211_CMD_GET_COALESCE
,
9574 .doit
= nl80211_get_coalesce
,
9575 .policy
= nl80211_policy
,
9576 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9577 NL80211_FLAG_NEED_RTNL
,
9580 .cmd
= NL80211_CMD_SET_COALESCE
,
9581 .doit
= nl80211_set_coalesce
,
9582 .policy
= nl80211_policy
,
9583 .flags
= GENL_ADMIN_PERM
,
9584 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9585 NL80211_FLAG_NEED_RTNL
,
9588 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
9589 .doit
= nl80211_channel_switch
,
9590 .policy
= nl80211_policy
,
9591 .flags
= GENL_ADMIN_PERM
,
9592 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9593 NL80211_FLAG_NEED_RTNL
,
9597 static struct genl_multicast_group nl80211_mlme_mcgrp
= {
9601 /* multicast groups */
9602 static struct genl_multicast_group nl80211_config_mcgrp
= {
9605 static struct genl_multicast_group nl80211_scan_mcgrp
= {
9608 static struct genl_multicast_group nl80211_regulatory_mcgrp
= {
9609 .name
= "regulatory",
9612 /* notification functions */
9614 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
9616 struct sk_buff
*msg
;
9617 struct nl80211_dump_wiphy_state state
= {};
9619 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9623 if (nl80211_send_wiphy(rdev
, msg
, 0, 0, 0, &state
) < 0) {
9628 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9629 nl80211_config_mcgrp
.id
, GFP_KERNEL
);
9632 static int nl80211_add_scan_req(struct sk_buff
*msg
,
9633 struct cfg80211_registered_device
*rdev
)
9635 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
9636 struct nlattr
*nest
;
9642 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
9644 goto nla_put_failure
;
9645 for (i
= 0; i
< req
->n_ssids
; i
++) {
9646 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
9647 goto nla_put_failure
;
9649 nla_nest_end(msg
, nest
);
9651 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
9653 goto nla_put_failure
;
9654 for (i
= 0; i
< req
->n_channels
; i
++) {
9655 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
9656 goto nla_put_failure
;
9658 nla_nest_end(msg
, nest
);
9661 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
9662 goto nla_put_failure
;
9665 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
);
9672 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
9673 struct cfg80211_registered_device
*rdev
,
9674 struct wireless_dev
*wdev
,
9675 u32 portid
, u32 seq
, int flags
,
9680 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
9684 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9685 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
9686 wdev
->netdev
->ifindex
)) ||
9687 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
9688 goto nla_put_failure
;
9690 /* ignore errors and send incomplete event anyway */
9691 nl80211_add_scan_req(msg
, rdev
);
9693 return genlmsg_end(msg
, hdr
);
9696 genlmsg_cancel(msg
, hdr
);
9701 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
9702 struct cfg80211_registered_device
*rdev
,
9703 struct net_device
*netdev
,
9704 u32 portid
, u32 seq
, int flags
, u32 cmd
)
9708 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
9712 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9713 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
9714 goto nla_put_failure
;
9716 return genlmsg_end(msg
, hdr
);
9719 genlmsg_cancel(msg
, hdr
);
9723 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
9724 struct wireless_dev
*wdev
)
9726 struct sk_buff
*msg
;
9728 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9732 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
9733 NL80211_CMD_TRIGGER_SCAN
) < 0) {
9738 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9739 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
9742 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
9743 struct wireless_dev
*wdev
)
9745 struct sk_buff
*msg
;
9747 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9751 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
9752 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
9757 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9758 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
9761 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
9762 struct wireless_dev
*wdev
)
9764 struct sk_buff
*msg
;
9766 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9770 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
9771 NL80211_CMD_SCAN_ABORTED
) < 0) {
9776 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9777 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
9780 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
9781 struct net_device
*netdev
)
9783 struct sk_buff
*msg
;
9785 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9789 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
9790 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
9795 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9796 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
9799 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
9800 struct net_device
*netdev
, u32 cmd
)
9802 struct sk_buff
*msg
;
9804 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9808 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
9813 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9814 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
9818 * This can happen on global regulatory changes or device specific settings
9819 * based on custom world regulatory domains.
9821 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
9823 struct sk_buff
*msg
;
9826 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9830 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
9836 /* Userspace can always count this one always being set */
9837 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
9838 goto nla_put_failure
;
9840 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
9841 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
9842 NL80211_REGDOM_TYPE_WORLD
))
9843 goto nla_put_failure
;
9844 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
9845 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
9846 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
9847 goto nla_put_failure
;
9848 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
9849 request
->intersect
) {
9850 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
9851 NL80211_REGDOM_TYPE_INTERSECTION
))
9852 goto nla_put_failure
;
9854 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
9855 NL80211_REGDOM_TYPE_COUNTRY
) ||
9856 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
9858 goto nla_put_failure
;
9861 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
&&
9862 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
9863 goto nla_put_failure
;
9865 genlmsg_end(msg
, hdr
);
9868 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
9875 genlmsg_cancel(msg
, hdr
);
9879 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
9880 struct net_device
*netdev
,
9881 const u8
*buf
, size_t len
,
9882 enum nl80211_commands cmd
, gfp_t gfp
)
9884 struct sk_buff
*msg
;
9887 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9891 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
9897 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9898 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
9899 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
9900 goto nla_put_failure
;
9902 genlmsg_end(msg
, hdr
);
9904 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9905 nl80211_mlme_mcgrp
.id
, gfp
);
9909 genlmsg_cancel(msg
, hdr
);
9913 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
9914 struct net_device
*netdev
, const u8
*buf
,
9915 size_t len
, gfp_t gfp
)
9917 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
9918 NL80211_CMD_AUTHENTICATE
, gfp
);
9921 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
9922 struct net_device
*netdev
, const u8
*buf
,
9923 size_t len
, gfp_t gfp
)
9925 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
9926 NL80211_CMD_ASSOCIATE
, gfp
);
9929 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
9930 struct net_device
*netdev
, const u8
*buf
,
9931 size_t len
, gfp_t gfp
)
9933 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
9934 NL80211_CMD_DEAUTHENTICATE
, gfp
);
9937 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
9938 struct net_device
*netdev
, const u8
*buf
,
9939 size_t len
, gfp_t gfp
)
9941 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
9942 NL80211_CMD_DISASSOCIATE
, gfp
);
9945 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
9948 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9949 struct wiphy
*wiphy
= wdev
->wiphy
;
9950 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
9951 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
9954 if (WARN_ON(len
< 2))
9957 if (ieee80211_is_deauth(mgmt
->frame_control
))
9958 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
9960 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
9962 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
9963 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
);
9965 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
9967 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
9968 struct net_device
*netdev
, int cmd
,
9969 const u8
*addr
, gfp_t gfp
)
9971 struct sk_buff
*msg
;
9974 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9978 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
9984 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9985 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
9986 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
9987 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
9988 goto nla_put_failure
;
9990 genlmsg_end(msg
, hdr
);
9992 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9993 nl80211_mlme_mcgrp
.id
, gfp
);
9997 genlmsg_cancel(msg
, hdr
);
10001 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
10002 struct net_device
*netdev
, const u8
*addr
,
10005 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
10009 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
10010 struct net_device
*netdev
, const u8
*addr
,
10013 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
10017 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
10018 struct net_device
*netdev
, const u8
*bssid
,
10019 const u8
*req_ie
, size_t req_ie_len
,
10020 const u8
*resp_ie
, size_t resp_ie_len
,
10021 u16 status
, gfp_t gfp
)
10023 struct sk_buff
*msg
;
10026 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10030 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
10036 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10037 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10038 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
10039 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
10041 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10043 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10044 goto nla_put_failure
;
10046 genlmsg_end(msg
, hdr
);
10048 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10049 nl80211_mlme_mcgrp
.id
, gfp
);
10053 genlmsg_cancel(msg
, hdr
);
10058 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
10059 struct net_device
*netdev
, const u8
*bssid
,
10060 const u8
*req_ie
, size_t req_ie_len
,
10061 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
10063 struct sk_buff
*msg
;
10066 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10070 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
10076 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10077 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10078 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
10080 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10082 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10083 goto nla_put_failure
;
10085 genlmsg_end(msg
, hdr
);
10087 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10088 nl80211_mlme_mcgrp
.id
, gfp
);
10092 genlmsg_cancel(msg
, hdr
);
10097 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
10098 struct net_device
*netdev
, u16 reason
,
10099 const u8
*ie
, size_t ie_len
, bool from_ap
)
10101 struct sk_buff
*msg
;
10104 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10108 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
10114 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10115 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10116 (from_ap
&& reason
&&
10117 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
10119 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
10120 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10121 goto nla_put_failure
;
10123 genlmsg_end(msg
, hdr
);
10125 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10126 nl80211_mlme_mcgrp
.id
, GFP_KERNEL
);
10130 genlmsg_cancel(msg
, hdr
);
10135 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
10136 struct net_device
*netdev
, const u8
*bssid
,
10139 struct sk_buff
*msg
;
10142 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10146 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
10152 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10153 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10154 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10155 goto nla_put_failure
;
10157 genlmsg_end(msg
, hdr
);
10159 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10160 nl80211_mlme_mcgrp
.id
, gfp
);
10164 genlmsg_cancel(msg
, hdr
);
10168 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
10169 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
10171 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10172 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
10173 struct sk_buff
*msg
;
10176 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
10179 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
10181 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10185 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
10191 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10192 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10193 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
10195 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10196 goto nla_put_failure
;
10198 genlmsg_end(msg
, hdr
);
10200 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10201 nl80211_mlme_mcgrp
.id
, gfp
);
10205 genlmsg_cancel(msg
, hdr
);
10208 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
10210 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
10211 struct net_device
*netdev
, const u8
*addr
,
10212 enum nl80211_key_type key_type
, int key_id
,
10213 const u8
*tsc
, gfp_t gfp
)
10215 struct sk_buff
*msg
;
10218 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10222 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
10228 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10229 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10230 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
10231 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
10233 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
10234 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
10235 goto nla_put_failure
;
10237 genlmsg_end(msg
, hdr
);
10239 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10240 nl80211_mlme_mcgrp
.id
, gfp
);
10244 genlmsg_cancel(msg
, hdr
);
10248 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
10249 struct ieee80211_channel
*channel_before
,
10250 struct ieee80211_channel
*channel_after
)
10252 struct sk_buff
*msg
;
10254 struct nlattr
*nl_freq
;
10256 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
10260 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
10267 * Since we are applying the beacon hint to a wiphy we know its
10268 * wiphy_idx is valid
10270 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
10271 goto nla_put_failure
;
10274 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
10276 goto nla_put_failure
;
10277 if (nl80211_msg_put_channel(msg
, channel_before
, false))
10278 goto nla_put_failure
;
10279 nla_nest_end(msg
, nl_freq
);
10282 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
10284 goto nla_put_failure
;
10285 if (nl80211_msg_put_channel(msg
, channel_after
, false))
10286 goto nla_put_failure
;
10287 nla_nest_end(msg
, nl_freq
);
10289 genlmsg_end(msg
, hdr
);
10292 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
10299 genlmsg_cancel(msg
, hdr
);
10303 static void nl80211_send_remain_on_chan_event(
10304 int cmd
, struct cfg80211_registered_device
*rdev
,
10305 struct wireless_dev
*wdev
, u64 cookie
,
10306 struct ieee80211_channel
*chan
,
10307 unsigned int duration
, gfp_t gfp
)
10309 struct sk_buff
*msg
;
10312 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10316 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10322 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10323 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10324 wdev
->netdev
->ifindex
)) ||
10325 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10326 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
10327 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
10328 NL80211_CHAN_NO_HT
) ||
10329 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
10330 goto nla_put_failure
;
10332 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
10333 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
10334 goto nla_put_failure
;
10336 genlmsg_end(msg
, hdr
);
10338 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10339 nl80211_mlme_mcgrp
.id
, gfp
);
10343 genlmsg_cancel(msg
, hdr
);
10347 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
10348 struct ieee80211_channel
*chan
,
10349 unsigned int duration
, gfp_t gfp
)
10351 struct wiphy
*wiphy
= wdev
->wiphy
;
10352 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10354 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
10355 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
10356 rdev
, wdev
, cookie
, chan
,
10359 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
10361 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
10362 struct ieee80211_channel
*chan
,
10365 struct wiphy
*wiphy
= wdev
->wiphy
;
10366 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10368 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
10369 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10370 rdev
, wdev
, cookie
, chan
, 0, gfp
);
10372 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
10374 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
10375 struct station_info
*sinfo
, gfp_t gfp
)
10377 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10378 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10379 struct sk_buff
*msg
;
10381 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
10383 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10387 if (nl80211_send_station(msg
, 0, 0, 0,
10388 rdev
, dev
, mac_addr
, sinfo
) < 0) {
10393 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10394 nl80211_mlme_mcgrp
.id
, gfp
);
10396 EXPORT_SYMBOL(cfg80211_new_sta
);
10398 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
10400 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10401 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10402 struct sk_buff
*msg
;
10405 trace_cfg80211_del_sta(dev
, mac_addr
);
10407 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10411 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
10417 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10418 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
10419 goto nla_put_failure
;
10421 genlmsg_end(msg
, hdr
);
10423 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10424 nl80211_mlme_mcgrp
.id
, gfp
);
10428 genlmsg_cancel(msg
, hdr
);
10431 EXPORT_SYMBOL(cfg80211_del_sta
);
10433 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
10434 enum nl80211_connect_failed_reason reason
,
10437 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10438 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10439 struct sk_buff
*msg
;
10442 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
10446 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
10452 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10453 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
10454 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
10455 goto nla_put_failure
;
10457 genlmsg_end(msg
, hdr
);
10459 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10460 nl80211_mlme_mcgrp
.id
, gfp
);
10464 genlmsg_cancel(msg
, hdr
);
10467 EXPORT_SYMBOL(cfg80211_conn_failed
);
10469 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
10470 const u8
*addr
, gfp_t gfp
)
10472 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10473 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
10474 struct sk_buff
*msg
;
10476 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
10481 msg
= nlmsg_new(100, gfp
);
10485 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10491 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10492 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10493 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10494 goto nla_put_failure
;
10496 genlmsg_end(msg
, hdr
);
10497 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
10501 genlmsg_cancel(msg
, hdr
);
10506 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
10507 const u8
*addr
, gfp_t gfp
)
10509 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10512 trace_cfg80211_rx_spurious_frame(dev
, addr
);
10514 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10515 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
10516 trace_cfg80211_return_bool(false);
10519 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
10521 trace_cfg80211_return_bool(ret
);
10524 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
10526 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
10527 const u8
*addr
, gfp_t gfp
)
10529 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10532 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
10534 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10535 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
10536 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
10537 trace_cfg80211_return_bool(false);
10540 ret
= __nl80211_unexpected_frame(dev
,
10541 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
10543 trace_cfg80211_return_bool(ret
);
10546 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
10548 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
10549 struct wireless_dev
*wdev
, u32 nlportid
,
10550 int freq
, int sig_dbm
,
10551 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
10553 struct net_device
*netdev
= wdev
->netdev
;
10554 struct sk_buff
*msg
;
10557 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10561 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
10567 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10568 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10569 netdev
->ifindex
)) ||
10570 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10571 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
10573 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
10574 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
10576 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
10577 goto nla_put_failure
;
10579 genlmsg_end(msg
, hdr
);
10581 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
10584 genlmsg_cancel(msg
, hdr
);
10589 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
10590 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
10592 struct wiphy
*wiphy
= wdev
->wiphy
;
10593 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10594 struct net_device
*netdev
= wdev
->netdev
;
10595 struct sk_buff
*msg
;
10598 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
10600 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10604 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
10610 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10611 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10612 netdev
->ifindex
)) ||
10613 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10614 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
10615 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
10616 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
10617 goto nla_put_failure
;
10619 genlmsg_end(msg
, hdr
);
10621 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10622 nl80211_mlme_mcgrp
.id
, gfp
);
10626 genlmsg_cancel(msg
, hdr
);
10629 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
10631 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
10632 enum nl80211_cqm_rssi_threshold_event rssi_event
,
10635 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10636 struct wiphy
*wiphy
= wdev
->wiphy
;
10637 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10638 struct sk_buff
*msg
;
10639 struct nlattr
*pinfoattr
;
10642 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
10644 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10648 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
10654 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10655 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
10656 goto nla_put_failure
;
10658 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
10660 goto nla_put_failure
;
10662 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
10664 goto nla_put_failure
;
10666 nla_nest_end(msg
, pinfoattr
);
10668 genlmsg_end(msg
, hdr
);
10670 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10671 nl80211_mlme_mcgrp
.id
, gfp
);
10675 genlmsg_cancel(msg
, hdr
);
10678 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
10680 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
10681 struct net_device
*netdev
, const u8
*bssid
,
10682 const u8
*replay_ctr
, gfp_t gfp
)
10684 struct sk_buff
*msg
;
10685 struct nlattr
*rekey_attr
;
10688 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10692 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
10698 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10699 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10700 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10701 goto nla_put_failure
;
10703 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
10705 goto nla_put_failure
;
10707 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
10708 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
10709 goto nla_put_failure
;
10711 nla_nest_end(msg
, rekey_attr
);
10713 genlmsg_end(msg
, hdr
);
10715 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10716 nl80211_mlme_mcgrp
.id
, gfp
);
10720 genlmsg_cancel(msg
, hdr
);
10724 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
10725 const u8
*replay_ctr
, gfp_t gfp
)
10727 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10728 struct wiphy
*wiphy
= wdev
->wiphy
;
10729 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10731 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
10732 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
10734 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
10737 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
10738 struct net_device
*netdev
, int index
,
10739 const u8
*bssid
, bool preauth
, gfp_t gfp
)
10741 struct sk_buff
*msg
;
10742 struct nlattr
*attr
;
10745 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10749 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
10755 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10756 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10757 goto nla_put_failure
;
10759 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
10761 goto nla_put_failure
;
10763 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
10764 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
10766 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
10767 goto nla_put_failure
;
10769 nla_nest_end(msg
, attr
);
10771 genlmsg_end(msg
, hdr
);
10773 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10774 nl80211_mlme_mcgrp
.id
, gfp
);
10778 genlmsg_cancel(msg
, hdr
);
10782 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
10783 const u8
*bssid
, bool preauth
, gfp_t gfp
)
10785 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10786 struct wiphy
*wiphy
= wdev
->wiphy
;
10787 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10789 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
10790 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
10792 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
10794 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
10795 struct net_device
*netdev
,
10796 struct cfg80211_chan_def
*chandef
,
10799 struct sk_buff
*msg
;
10802 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10806 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY
);
10812 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10813 goto nla_put_failure
;
10815 if (nl80211_send_chandef(msg
, chandef
))
10816 goto nla_put_failure
;
10818 genlmsg_end(msg
, hdr
);
10820 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10821 nl80211_mlme_mcgrp
.id
, gfp
);
10825 genlmsg_cancel(msg
, hdr
);
10829 void cfg80211_ch_switch_notify(struct net_device
*dev
,
10830 struct cfg80211_chan_def
*chandef
)
10832 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10833 struct wiphy
*wiphy
= wdev
->wiphy
;
10834 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10836 ASSERT_WDEV_LOCK(wdev
);
10838 trace_cfg80211_ch_switch_notify(dev
, chandef
);
10840 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10841 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
10842 wdev
->iftype
!= NL80211_IFTYPE_ADHOC
&&
10843 wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
10846 wdev
->channel
= chandef
->chan
;
10847 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
);
10849 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
10851 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
10852 const u8
*peer
, u32 num_packets
,
10853 u32 rate
, u32 intvl
, gfp_t gfp
)
10855 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10856 struct wiphy
*wiphy
= wdev
->wiphy
;
10857 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10858 struct sk_buff
*msg
;
10859 struct nlattr
*pinfoattr
;
10862 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
10866 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
10872 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10873 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10874 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
10875 goto nla_put_failure
;
10877 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
10879 goto nla_put_failure
;
10881 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
10882 goto nla_put_failure
;
10884 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
10885 goto nla_put_failure
;
10887 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
10888 goto nla_put_failure
;
10890 nla_nest_end(msg
, pinfoattr
);
10892 genlmsg_end(msg
, hdr
);
10894 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10895 nl80211_mlme_mcgrp
.id
, gfp
);
10899 genlmsg_cancel(msg
, hdr
);
10902 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
10905 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
10906 const struct cfg80211_chan_def
*chandef
,
10907 enum nl80211_radar_event event
,
10908 struct net_device
*netdev
, gfp_t gfp
)
10910 struct sk_buff
*msg
;
10913 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10917 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
10923 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
10924 goto nla_put_failure
;
10926 /* NOP and radar events don't need a netdev parameter */
10928 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
10930 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10931 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
10932 goto nla_put_failure
;
10935 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
10936 goto nla_put_failure
;
10938 if (nl80211_send_chandef(msg
, chandef
))
10939 goto nla_put_failure
;
10941 genlmsg_end(msg
, hdr
);
10943 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10944 nl80211_mlme_mcgrp
.id
, gfp
);
10948 genlmsg_cancel(msg
, hdr
);
10952 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
10953 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
10955 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10956 struct wiphy
*wiphy
= wdev
->wiphy
;
10957 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10958 struct sk_buff
*msg
;
10959 struct nlattr
*pinfoattr
;
10962 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
10964 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10968 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
10974 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10975 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10976 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
10977 goto nla_put_failure
;
10979 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
10981 goto nla_put_failure
;
10983 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
10984 goto nla_put_failure
;
10986 nla_nest_end(msg
, pinfoattr
);
10988 genlmsg_end(msg
, hdr
);
10990 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10991 nl80211_mlme_mcgrp
.id
, gfp
);
10995 genlmsg_cancel(msg
, hdr
);
10998 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
11000 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
11001 u64 cookie
, bool acked
, gfp_t gfp
)
11003 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11004 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11005 struct sk_buff
*msg
;
11008 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
11010 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11015 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
11021 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11022 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11023 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11024 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11025 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11026 goto nla_put_failure
;
11028 genlmsg_end(msg
, hdr
);
11030 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
11031 nl80211_mlme_mcgrp
.id
, gfp
);
11035 genlmsg_cancel(msg
, hdr
);
11038 EXPORT_SYMBOL(cfg80211_probe_status
);
11040 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
11041 const u8
*frame
, size_t len
,
11042 int freq
, int sig_dbm
)
11044 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11045 struct sk_buff
*msg
;
11047 struct cfg80211_beacon_registration
*reg
;
11049 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
11051 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11052 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11053 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
11055 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11059 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11061 goto nla_put_failure
;
11063 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11065 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
11067 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11068 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
11069 goto nla_put_failure
;
11071 genlmsg_end(msg
, hdr
);
11073 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
11075 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11079 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11081 genlmsg_cancel(msg
, hdr
);
11084 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
11087 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
11088 struct cfg80211_wowlan_wakeup
*wakeup
,
11091 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11092 struct sk_buff
*msg
;
11096 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
11099 size
+= wakeup
->packet_present_len
;
11101 msg
= nlmsg_new(size
, gfp
);
11105 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
11109 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11110 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11113 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11114 wdev
->netdev
->ifindex
))
11118 struct nlattr
*reasons
;
11120 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
11122 if (wakeup
->disconnect
&&
11123 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
11125 if (wakeup
->magic_pkt
&&
11126 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
11128 if (wakeup
->gtk_rekey_failure
&&
11129 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
11131 if (wakeup
->eap_identity_req
&&
11132 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
11134 if (wakeup
->four_way_handshake
&&
11135 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
11137 if (wakeup
->rfkill_release
&&
11138 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
11141 if (wakeup
->pattern_idx
>= 0 &&
11142 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
11143 wakeup
->pattern_idx
))
11146 if (wakeup
->tcp_match
)
11147 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
);
11149 if (wakeup
->tcp_connlost
)
11151 NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
);
11153 if (wakeup
->tcp_nomoretokens
)
11155 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
);
11157 if (wakeup
->packet
) {
11158 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
11159 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
11161 if (!wakeup
->packet_80211
) {
11163 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
11165 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
11168 if (wakeup
->packet_len
&&
11169 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
11172 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
11177 nla_nest_end(msg
, reasons
);
11180 genlmsg_end(msg
, hdr
);
11182 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
11183 nl80211_mlme_mcgrp
.id
, gfp
);
11189 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
11192 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
11193 enum nl80211_tdls_operation oper
,
11194 u16 reason_code
, gfp_t gfp
)
11196 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11197 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11198 struct sk_buff
*msg
;
11201 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
11204 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11208 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
11214 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11215 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11216 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
11217 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
11218 (reason_code
> 0 &&
11219 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
11220 goto nla_put_failure
;
11222 genlmsg_end(msg
, hdr
);
11224 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
11225 nl80211_mlme_mcgrp
.id
, gfp
);
11229 genlmsg_cancel(msg
, hdr
);
11232 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
11234 static int nl80211_netlink_notify(struct notifier_block
* nb
,
11235 unsigned long state
,
11238 struct netlink_notify
*notify
= _notify
;
11239 struct cfg80211_registered_device
*rdev
;
11240 struct wireless_dev
*wdev
;
11241 struct cfg80211_beacon_registration
*reg
, *tmp
;
11243 if (state
!= NETLINK_URELEASE
)
11244 return NOTIFY_DONE
;
11248 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
11249 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
)
11250 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
11252 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11253 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
11255 if (reg
->nlportid
== notify
->portid
) {
11256 list_del(®
->list
);
11261 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11266 return NOTIFY_DONE
;
11269 static struct notifier_block nl80211_netlink_notifier
= {
11270 .notifier_call
= nl80211_netlink_notify
,
11273 void cfg80211_ft_event(struct net_device
*netdev
,
11274 struct cfg80211_ft_event_params
*ft_event
)
11276 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
11277 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11278 struct sk_buff
*msg
;
11281 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
11283 if (!ft_event
->target_ap
)
11286 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11290 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
11296 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
11297 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
11298 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
);
11300 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
);
11301 if (ft_event
->ric_ies
)
11302 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
11303 ft_event
->ric_ies
);
11305 genlmsg_end(msg
, hdr
);
11307 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
11308 nl80211_mlme_mcgrp
.id
, GFP_KERNEL
);
11310 EXPORT_SYMBOL(cfg80211_ft_event
);
11312 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
11314 struct cfg80211_registered_device
*rdev
;
11315 struct sk_buff
*msg
;
11319 rdev
= wiphy_to_dev(wdev
->wiphy
);
11320 if (!rdev
->crit_proto_nlportid
)
11323 nlportid
= rdev
->crit_proto_nlportid
;
11324 rdev
->crit_proto_nlportid
= 0;
11326 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11330 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
11332 goto nla_put_failure
;
11334 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11335 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11336 goto nla_put_failure
;
11338 genlmsg_end(msg
, hdr
);
11340 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11345 genlmsg_cancel(msg
, hdr
);
11349 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
11351 /* initialisation/exit functions */
11353 int nl80211_init(void)
11357 err
= genl_register_family_with_ops(&nl80211_fam
,
11358 nl80211_ops
, ARRAY_SIZE(nl80211_ops
));
11362 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_config_mcgrp
);
11366 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_scan_mcgrp
);
11370 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_regulatory_mcgrp
);
11374 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_mlme_mcgrp
);
11378 #ifdef CONFIG_NL80211_TESTMODE
11379 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_testmode_mcgrp
);
11384 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
11390 genl_unregister_family(&nl80211_fam
);
11394 void nl80211_exit(void)
11396 netlink_unregister_notifier(&nl80211_netlink_notifier
);
11397 genl_unregister_family(&nl80211_fam
);