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
},
361 [NL80211_ATTR_VENDOR_ID
] = { .type
= NLA_U32
},
362 [NL80211_ATTR_VENDOR_SUBCMD
] = { .type
= NLA_U32
},
363 [NL80211_ATTR_VENDOR_DATA
] = { .type
= NLA_BINARY
},
366 /* policy for the key attributes */
367 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
368 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
369 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
370 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
371 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
372 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
373 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
374 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
375 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
378 /* policy for the key default flags */
379 static const struct nla_policy
380 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
381 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
382 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
385 /* policy for WoWLAN attributes */
386 static const struct nla_policy
387 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
388 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
389 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
390 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
391 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
392 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
393 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
394 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
395 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
396 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
399 static const struct nla_policy
400 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
401 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
402 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
403 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
404 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
405 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
406 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
407 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
408 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
410 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
411 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
413 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
414 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
415 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
418 /* policy for coalesce rule attributes */
419 static const struct nla_policy
420 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
421 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
422 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
423 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
426 /* policy for GTK rekey offload attributes */
427 static const struct nla_policy
428 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
429 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
430 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
431 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
434 static const struct nla_policy
435 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
436 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
437 .len
= IEEE80211_MAX_SSID_LEN
},
438 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
441 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
442 struct netlink_callback
*cb
,
443 struct cfg80211_registered_device
**rdev
,
444 struct wireless_dev
**wdev
)
451 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
452 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
457 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
458 nl80211_fam
.attrbuf
);
460 err
= PTR_ERR(*wdev
);
463 *rdev
= wiphy_to_dev((*wdev
)->wiphy
);
464 /* 0 is the first index - add 1 to parse only once */
465 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
466 cb
->args
[1] = (*wdev
)->identifier
;
468 /* subtract the 1 again here */
469 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
470 struct wireless_dev
*tmp
;
476 *rdev
= wiphy_to_dev(wiphy
);
479 list_for_each_entry(tmp
, &(*rdev
)->wdev_list
, list
) {
480 if (tmp
->identifier
== cb
->args
[1]) {
498 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
504 static bool is_valid_ie_attr(const struct nlattr
*attr
)
512 pos
= nla_data(attr
);
533 /* message building helper */
534 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
537 /* since there is no private header just add the generic one */
538 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
541 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
542 struct ieee80211_channel
*chan
,
545 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
547 goto nla_put_failure
;
549 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
550 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
551 goto nla_put_failure
;
552 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
553 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
554 goto nla_put_failure
;
555 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
556 goto nla_put_failure
;
558 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
559 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
560 goto nla_put_failure
;
564 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
566 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
568 goto nla_put_failure
;
569 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
571 goto nla_put_failure
;
576 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
577 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
578 goto nla_put_failure
;
579 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
580 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
581 goto nla_put_failure
;
582 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
583 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
584 goto nla_put_failure
;
585 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
586 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
587 goto nla_put_failure
;
590 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
591 DBM_TO_MBM(chan
->max_power
)))
592 goto nla_put_failure
;
600 /* netlink command implementations */
607 bool def_uni
, def_multi
;
610 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
612 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
613 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
618 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
619 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
628 if (tb
[NL80211_KEY_IDX
])
629 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
631 if (tb
[NL80211_KEY_DATA
]) {
632 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
633 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
636 if (tb
[NL80211_KEY_SEQ
]) {
637 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
638 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
641 if (tb
[NL80211_KEY_CIPHER
])
642 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
644 if (tb
[NL80211_KEY_TYPE
]) {
645 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
646 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
650 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
651 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
652 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
653 tb
[NL80211_KEY_DEFAULT_TYPES
],
654 nl80211_key_default_policy
);
658 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
659 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
665 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
667 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
668 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
669 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
672 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
673 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
674 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
677 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
678 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
680 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
681 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
683 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
684 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
693 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
694 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
695 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
699 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
700 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
701 int err
= nla_parse_nested(
702 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
703 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
704 nl80211_key_default_policy
);
708 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
709 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
715 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
719 memset(k
, 0, sizeof(*k
));
723 if (info
->attrs
[NL80211_ATTR_KEY
])
724 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
726 err
= nl80211_parse_key_old(info
, k
);
731 if (k
->def
&& k
->defmgmt
)
735 if (k
->def_uni
|| !k
->def_multi
)
741 if (k
->idx
< 4 || k
->idx
> 5)
744 if (k
->idx
< 0 || k
->idx
> 3)
747 if (k
->idx
< 0 || k
->idx
> 5)
755 static struct cfg80211_cached_keys
*
756 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
757 struct nlattr
*keys
, bool *no_ht
)
759 struct key_parse parse
;
761 struct cfg80211_cached_keys
*result
;
762 int rem
, err
, def
= 0;
764 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
766 return ERR_PTR(-ENOMEM
);
769 result
->defmgmt
= -1;
771 nla_for_each_nested(key
, keys
, rem
) {
772 memset(&parse
, 0, sizeof(parse
));
775 err
= nl80211_parse_key_new(key
, &parse
);
781 if (parse
.idx
< 0 || parse
.idx
> 4)
787 result
->def
= parse
.idx
;
788 if (!parse
.def_uni
|| !parse
.def_multi
)
790 } else if (parse
.defmgmt
)
792 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
793 parse
.idx
, false, NULL
);
796 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
797 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
798 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
799 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
801 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
802 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
814 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
816 ASSERT_WDEV_LOCK(wdev
);
818 switch (wdev
->iftype
) {
819 case NL80211_IFTYPE_AP
:
820 case NL80211_IFTYPE_AP_VLAN
:
821 case NL80211_IFTYPE_P2P_GO
:
822 case NL80211_IFTYPE_MESH_POINT
:
824 case NL80211_IFTYPE_ADHOC
:
825 case NL80211_IFTYPE_STATION
:
826 case NL80211_IFTYPE_P2P_CLIENT
:
827 if (!wdev
->current_bss
)
837 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
839 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
843 goto nla_put_failure
;
847 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
848 goto nla_put_failure
;
853 nla_nest_end(msg
, nl_modes
);
860 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
864 struct nlattr
*nl_combis
;
867 nl_combis
= nla_nest_start(msg
,
868 NL80211_ATTR_INTERFACE_COMBINATIONS
);
870 goto nla_put_failure
;
872 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
873 const struct ieee80211_iface_combination
*c
;
874 struct nlattr
*nl_combi
, *nl_limits
;
876 c
= &wiphy
->iface_combinations
[i
];
878 nl_combi
= nla_nest_start(msg
, i
+ 1);
880 goto nla_put_failure
;
882 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
884 goto nla_put_failure
;
886 for (j
= 0; j
< c
->n_limits
; j
++) {
887 struct nlattr
*nl_limit
;
889 nl_limit
= nla_nest_start(msg
, j
+ 1);
891 goto nla_put_failure
;
892 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
894 goto nla_put_failure
;
895 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
897 goto nla_put_failure
;
898 nla_nest_end(msg
, nl_limit
);
901 nla_nest_end(msg
, nl_limits
);
903 if (c
->beacon_int_infra_match
&&
904 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
905 goto nla_put_failure
;
906 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
907 c
->num_different_channels
) ||
908 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
910 goto nla_put_failure
;
912 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
913 c
->radar_detect_widths
))
914 goto nla_put_failure
;
916 nla_nest_end(msg
, nl_combi
);
919 nla_nest_end(msg
, nl_combis
);
927 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
930 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
931 struct nlattr
*nl_tcp
;
936 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
940 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
941 tcp
->data_payload_max
))
944 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
945 tcp
->data_payload_max
))
948 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
951 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
952 sizeof(*tcp
->tok
), tcp
->tok
))
955 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
956 tcp
->data_interval_max
))
959 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
960 tcp
->wake_payload_max
))
963 nla_nest_end(msg
, nl_tcp
);
967 static int nl80211_send_wowlan(struct sk_buff
*msg
,
968 struct cfg80211_registered_device
*dev
,
971 struct nlattr
*nl_wowlan
;
973 if (!dev
->wiphy
.wowlan
)
976 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
980 if (((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
981 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
982 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
983 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
984 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
985 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
986 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
987 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
988 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
989 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
990 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
991 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
992 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
993 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
994 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
995 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
998 if (dev
->wiphy
.wowlan
->n_patterns
) {
999 struct nl80211_pattern_support pat
= {
1000 .max_patterns
= dev
->wiphy
.wowlan
->n_patterns
,
1001 .min_pattern_len
= dev
->wiphy
.wowlan
->pattern_min_len
,
1002 .max_pattern_len
= dev
->wiphy
.wowlan
->pattern_max_len
,
1003 .max_pkt_offset
= dev
->wiphy
.wowlan
->max_pkt_offset
,
1006 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1011 if (large
&& nl80211_send_wowlan_tcp_caps(dev
, msg
))
1014 nla_nest_end(msg
, nl_wowlan
);
1020 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1021 struct cfg80211_registered_device
*dev
)
1023 struct nl80211_coalesce_rule_support rule
;
1025 if (!dev
->wiphy
.coalesce
)
1028 rule
.max_rules
= dev
->wiphy
.coalesce
->n_rules
;
1029 rule
.max_delay
= dev
->wiphy
.coalesce
->max_delay
;
1030 rule
.pat
.max_patterns
= dev
->wiphy
.coalesce
->n_patterns
;
1031 rule
.pat
.min_pattern_len
= dev
->wiphy
.coalesce
->pattern_min_len
;
1032 rule
.pat
.max_pattern_len
= dev
->wiphy
.coalesce
->pattern_max_len
;
1033 rule
.pat
.max_pkt_offset
= dev
->wiphy
.coalesce
->max_pkt_offset
;
1035 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1041 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1042 struct ieee80211_supported_band
*sband
)
1044 struct nlattr
*nl_rates
, *nl_rate
;
1045 struct ieee80211_rate
*rate
;
1049 if (sband
->ht_cap
.ht_supported
&&
1050 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1051 sizeof(sband
->ht_cap
.mcs
),
1052 &sband
->ht_cap
.mcs
) ||
1053 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1054 sband
->ht_cap
.cap
) ||
1055 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1056 sband
->ht_cap
.ampdu_factor
) ||
1057 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1058 sband
->ht_cap
.ampdu_density
)))
1062 if (sband
->vht_cap
.vht_supported
&&
1063 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1064 sizeof(sband
->vht_cap
.vht_mcs
),
1065 &sband
->vht_cap
.vht_mcs
) ||
1066 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1067 sband
->vht_cap
.cap
)))
1071 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1075 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1076 nl_rate
= nla_nest_start(msg
, i
);
1080 rate
= &sband
->bitrates
[i
];
1081 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1084 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1086 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1089 nla_nest_end(msg
, nl_rate
);
1092 nla_nest_end(msg
, nl_rates
);
1098 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1099 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1102 struct nlattr
*nl_ftypes
, *nl_ifs
;
1103 enum nl80211_iftype ift
;
1109 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1113 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1114 nl_ftypes
= nla_nest_start(msg
, ift
);
1118 stypes
= mgmt_stypes
[ift
].tx
;
1121 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1122 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1127 nla_nest_end(msg
, nl_ftypes
);
1130 nla_nest_end(msg
, nl_ifs
);
1132 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1136 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1137 nl_ftypes
= nla_nest_start(msg
, ift
);
1141 stypes
= mgmt_stypes
[ift
].rx
;
1144 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1145 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1150 nla_nest_end(msg
, nl_ftypes
);
1152 nla_nest_end(msg
, nl_ifs
);
1157 struct nl80211_dump_wiphy_state
{
1160 long split_start
, band_start
, chan_start
;
1164 static int nl80211_send_wiphy(struct cfg80211_registered_device
*dev
,
1165 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1166 int flags
, struct nl80211_dump_wiphy_state
*state
)
1169 struct nlattr
*nl_bands
, *nl_band
;
1170 struct nlattr
*nl_freqs
, *nl_freq
;
1171 struct nlattr
*nl_cmds
;
1172 struct nlattr
*nl_vendor_cmds
;
1173 enum ieee80211_band band
;
1174 struct ieee80211_channel
*chan
;
1176 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1177 dev
->wiphy
.mgmt_stypes
;
1180 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_WIPHY
);
1184 if (WARN_ON(!state
))
1187 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, dev
->wiphy_idx
) ||
1188 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1189 wiphy_name(&dev
->wiphy
)) ||
1190 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1191 cfg80211_rdev_list_generation
))
1192 goto nla_put_failure
;
1194 switch (state
->split_start
) {
1196 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1197 dev
->wiphy
.retry_short
) ||
1198 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1199 dev
->wiphy
.retry_long
) ||
1200 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1201 dev
->wiphy
.frag_threshold
) ||
1202 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1203 dev
->wiphy
.rts_threshold
) ||
1204 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1205 dev
->wiphy
.coverage_class
) ||
1206 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1207 dev
->wiphy
.max_scan_ssids
) ||
1208 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1209 dev
->wiphy
.max_sched_scan_ssids
) ||
1210 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1211 dev
->wiphy
.max_scan_ie_len
) ||
1212 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1213 dev
->wiphy
.max_sched_scan_ie_len
) ||
1214 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1215 dev
->wiphy
.max_match_sets
))
1216 goto nla_put_failure
;
1218 if ((dev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1219 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1220 goto nla_put_failure
;
1221 if ((dev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1222 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1223 goto nla_put_failure
;
1224 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1225 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1226 goto nla_put_failure
;
1227 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1228 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1229 goto nla_put_failure
;
1230 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1231 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1232 goto nla_put_failure
;
1233 if ((dev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1234 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1235 goto nla_put_failure
;
1236 state
->split_start
++;
1240 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1241 sizeof(u32
) * dev
->wiphy
.n_cipher_suites
,
1242 dev
->wiphy
.cipher_suites
))
1243 goto nla_put_failure
;
1245 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1246 dev
->wiphy
.max_num_pmkids
))
1247 goto nla_put_failure
;
1249 if ((dev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1250 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1251 goto nla_put_failure
;
1253 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1254 dev
->wiphy
.available_antennas_tx
) ||
1255 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1256 dev
->wiphy
.available_antennas_rx
))
1257 goto nla_put_failure
;
1259 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1260 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1261 dev
->wiphy
.probe_resp_offload
))
1262 goto nla_put_failure
;
1264 if ((dev
->wiphy
.available_antennas_tx
||
1265 dev
->wiphy
.available_antennas_rx
) &&
1266 dev
->ops
->get_antenna
) {
1267 u32 tx_ant
= 0, rx_ant
= 0;
1269 res
= rdev_get_antenna(dev
, &tx_ant
, &rx_ant
);
1271 if (nla_put_u32(msg
,
1272 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1275 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1277 goto nla_put_failure
;
1281 state
->split_start
++;
1285 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1286 dev
->wiphy
.interface_modes
))
1287 goto nla_put_failure
;
1288 state
->split_start
++;
1292 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1294 goto nla_put_failure
;
1296 for (band
= state
->band_start
;
1297 band
< IEEE80211_NUM_BANDS
; band
++) {
1298 struct ieee80211_supported_band
*sband
;
1300 sband
= dev
->wiphy
.bands
[band
];
1305 nl_band
= nla_nest_start(msg
, band
);
1307 goto nla_put_failure
;
1309 switch (state
->chan_start
) {
1311 if (nl80211_send_band_rateinfo(msg
, sband
))
1312 goto nla_put_failure
;
1313 state
->chan_start
++;
1317 /* add frequencies */
1318 nl_freqs
= nla_nest_start(
1319 msg
, NL80211_BAND_ATTR_FREQS
);
1321 goto nla_put_failure
;
1323 for (i
= state
->chan_start
- 1;
1324 i
< sband
->n_channels
;
1326 nl_freq
= nla_nest_start(msg
, i
);
1328 goto nla_put_failure
;
1330 chan
= &sband
->channels
[i
];
1332 if (nl80211_msg_put_channel(
1335 goto nla_put_failure
;
1337 nla_nest_end(msg
, nl_freq
);
1341 if (i
< sband
->n_channels
)
1342 state
->chan_start
= i
+ 2;
1344 state
->chan_start
= 0;
1345 nla_nest_end(msg
, nl_freqs
);
1348 nla_nest_end(msg
, nl_band
);
1351 /* start again here */
1352 if (state
->chan_start
)
1357 nla_nest_end(msg
, nl_bands
);
1359 if (band
< IEEE80211_NUM_BANDS
)
1360 state
->band_start
= band
+ 1;
1362 state
->band_start
= 0;
1364 /* if bands & channels are done, continue outside */
1365 if (state
->band_start
== 0 && state
->chan_start
== 0)
1366 state
->split_start
++;
1370 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1372 goto nla_put_failure
;
1375 #define CMD(op, n) \
1377 if (dev->ops->op) { \
1379 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1380 goto nla_put_failure; \
1384 CMD(add_virtual_intf
, NEW_INTERFACE
);
1385 CMD(change_virtual_intf
, SET_INTERFACE
);
1386 CMD(add_key
, NEW_KEY
);
1387 CMD(start_ap
, START_AP
);
1388 CMD(add_station
, NEW_STATION
);
1389 CMD(add_mpath
, NEW_MPATH
);
1390 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1391 CMD(change_bss
, SET_BSS
);
1392 CMD(auth
, AUTHENTICATE
);
1393 CMD(assoc
, ASSOCIATE
);
1394 CMD(deauth
, DEAUTHENTICATE
);
1395 CMD(disassoc
, DISASSOCIATE
);
1396 CMD(join_ibss
, JOIN_IBSS
);
1397 CMD(join_mesh
, JOIN_MESH
);
1398 CMD(set_pmksa
, SET_PMKSA
);
1399 CMD(del_pmksa
, DEL_PMKSA
);
1400 CMD(flush_pmksa
, FLUSH_PMKSA
);
1401 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1402 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1403 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1404 CMD(mgmt_tx
, FRAME
);
1405 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1406 if (dev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1408 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1409 goto nla_put_failure
;
1411 if (dev
->ops
->set_monitor_channel
|| dev
->ops
->start_ap
||
1412 dev
->ops
->join_mesh
) {
1414 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1415 goto nla_put_failure
;
1417 CMD(set_wds_peer
, SET_WDS_PEER
);
1418 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1419 CMD(tdls_mgmt
, TDLS_MGMT
);
1420 CMD(tdls_oper
, TDLS_OPER
);
1422 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1423 CMD(sched_scan_start
, START_SCHED_SCAN
);
1424 CMD(probe_client
, PROBE_CLIENT
);
1425 CMD(set_noack_map
, SET_NOACK_MAP
);
1426 if (dev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1428 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1429 goto nla_put_failure
;
1431 CMD(start_p2p_device
, START_P2P_DEVICE
);
1432 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1434 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1435 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1436 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1437 CMD(channel_switch
, CHANNEL_SWITCH
);
1440 #ifdef CONFIG_NL80211_TESTMODE
1441 CMD(testmode_cmd
, TESTMODE
);
1446 if (dev
->ops
->connect
|| dev
->ops
->auth
) {
1448 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1449 goto nla_put_failure
;
1452 if (dev
->ops
->disconnect
|| dev
->ops
->deauth
) {
1454 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1455 goto nla_put_failure
;
1458 nla_nest_end(msg
, nl_cmds
);
1459 state
->split_start
++;
1463 if (dev
->ops
->remain_on_channel
&&
1464 (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1466 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1467 dev
->wiphy
.max_remain_on_channel_duration
))
1468 goto nla_put_failure
;
1470 if ((dev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1471 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1472 goto nla_put_failure
;
1474 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1475 goto nla_put_failure
;
1476 state
->split_start
++;
1481 if (nl80211_send_wowlan(msg
, dev
, state
->split
))
1482 goto nla_put_failure
;
1483 state
->split_start
++;
1487 state
->split_start
++;
1490 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1491 dev
->wiphy
.software_iftypes
))
1492 goto nla_put_failure
;
1494 if (nl80211_put_iface_combinations(&dev
->wiphy
, msg
,
1496 goto nla_put_failure
;
1498 state
->split_start
++;
1502 if ((dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1503 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1504 dev
->wiphy
.ap_sme_capa
))
1505 goto nla_put_failure
;
1507 features
= dev
->wiphy
.features
;
1509 * We can only add the per-channel limit information if the
1510 * dump is split, otherwise it makes it too big. Therefore
1511 * only advertise it in that case.
1514 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1515 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1516 goto nla_put_failure
;
1518 if (dev
->wiphy
.ht_capa_mod_mask
&&
1519 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1520 sizeof(*dev
->wiphy
.ht_capa_mod_mask
),
1521 dev
->wiphy
.ht_capa_mod_mask
))
1522 goto nla_put_failure
;
1524 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1525 dev
->wiphy
.max_acl_mac_addrs
&&
1526 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1527 dev
->wiphy
.max_acl_mac_addrs
))
1528 goto nla_put_failure
;
1531 * Any information below this point is only available to
1532 * applications that can deal with it being split. This
1533 * helps ensure that newly added capabilities don't break
1534 * older tools by overrunning their buffers.
1536 * We still increment split_start so that in the split
1537 * case we'll continue with more data in the next round,
1538 * but break unconditionally so unsplit data stops here.
1540 state
->split_start
++;
1543 if (dev
->wiphy
.extended_capabilities
&&
1544 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1545 dev
->wiphy
.extended_capabilities_len
,
1546 dev
->wiphy
.extended_capabilities
) ||
1547 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1548 dev
->wiphy
.extended_capabilities_len
,
1549 dev
->wiphy
.extended_capabilities_mask
)))
1550 goto nla_put_failure
;
1552 if (dev
->wiphy
.vht_capa_mod_mask
&&
1553 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1554 sizeof(*dev
->wiphy
.vht_capa_mod_mask
),
1555 dev
->wiphy
.vht_capa_mod_mask
))
1556 goto nla_put_failure
;
1558 state
->split_start
++;
1561 if (nl80211_send_coalesce(msg
, dev
))
1562 goto nla_put_failure
;
1564 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1565 (nla_put_flag(msg
, NL80211_ATTR_SUPPORT_5_MHZ
) ||
1566 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_10_MHZ
)))
1567 goto nla_put_failure
;
1568 state
->split_start
++;
1571 nl_vendor_cmds
= nla_nest_start(msg
, NL80211_ATTR_VENDOR_DATA
);
1572 if (!nl_vendor_cmds
)
1573 goto nla_put_failure
;
1575 for (i
= 0; i
< dev
->wiphy
.n_vendor_commands
; i
++)
1576 if (nla_put(msg
, i
+ 1,
1577 sizeof(struct nl80211_vendor_cmd_info
),
1578 &dev
->wiphy
.vendor_commands
[i
].info
))
1579 goto nla_put_failure
;
1580 nla_nest_end(msg
, nl_vendor_cmds
);
1583 state
->split_start
= 0;
1586 return genlmsg_end(msg
, hdr
);
1589 genlmsg_cancel(msg
, hdr
);
1593 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1594 struct netlink_callback
*cb
,
1595 struct nl80211_dump_wiphy_state
*state
)
1597 struct nlattr
**tb
= nl80211_fam
.attrbuf
;
1598 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1599 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1600 /* ignore parse errors for backward compatibility */
1604 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1605 if (tb
[NL80211_ATTR_WIPHY
])
1606 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1607 if (tb
[NL80211_ATTR_WDEV
])
1608 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1609 if (tb
[NL80211_ATTR_IFINDEX
]) {
1610 struct net_device
*netdev
;
1611 struct cfg80211_registered_device
*rdev
;
1612 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1614 netdev
= dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1617 if (netdev
->ieee80211_ptr
) {
1618 rdev
= wiphy_to_dev(
1619 netdev
->ieee80211_ptr
->wiphy
);
1620 state
->filter_wiphy
= rdev
->wiphy_idx
;
1628 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1631 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1632 struct cfg80211_registered_device
*dev
;
1636 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1641 state
->filter_wiphy
= -1;
1642 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1648 cb
->args
[0] = (long)state
;
1651 list_for_each_entry(dev
, &cfg80211_rdev_list
, list
) {
1652 if (!net_eq(wiphy_net(&dev
->wiphy
), sock_net(skb
->sk
)))
1654 if (++idx
<= state
->start
)
1656 if (state
->filter_wiphy
!= -1 &&
1657 state
->filter_wiphy
!= dev
->wiphy_idx
)
1659 /* attempt to fit multiple wiphy data chunks into the skb */
1661 ret
= nl80211_send_wiphy(dev
, skb
,
1662 NETLINK_CB(cb
->skb
).portid
,
1664 NLM_F_MULTI
, state
);
1667 * If sending the wiphy data didn't fit (ENOBUFS
1668 * or EMSGSIZE returned), this SKB is still
1669 * empty (so it's not too big because another
1670 * wiphy dataset is already in the skb) and
1671 * we've not tried to adjust the dump allocation
1672 * yet ... then adjust the alloc size to be
1673 * bigger, and return 1 but with the empty skb.
1674 * This results in an empty message being RX'ed
1675 * in userspace, but that is ignored.
1677 * We can then retry with the larger buffer.
1679 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1681 cb
->min_dump_alloc
< 4096) {
1682 cb
->min_dump_alloc
= 4096;
1689 } while (state
->split_start
> 0);
1699 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1701 kfree((void *)cb
->args
[0]);
1705 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1707 struct sk_buff
*msg
;
1708 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1709 struct nl80211_dump_wiphy_state state
= {};
1711 msg
= nlmsg_new(4096, GFP_KERNEL
);
1715 if (nl80211_send_wiphy(dev
, msg
, info
->snd_portid
, info
->snd_seq
, 0,
1721 return genlmsg_reply(msg
, info
);
1724 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1725 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1726 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1727 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1728 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1729 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1732 static int parse_txq_params(struct nlattr
*tb
[],
1733 struct ieee80211_txq_params
*txq_params
)
1735 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1736 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1737 !tb
[NL80211_TXQ_ATTR_AIFS
])
1740 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1741 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1742 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1743 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1744 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1746 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1752 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1755 * You can only set the channel explicitly for WDS interfaces,
1756 * all others have their channel managed via their respective
1757 * "establish a connection" command (connect, join, ...)
1759 * For AP/GO and mesh mode, the channel can be set with the
1760 * channel userspace API, but is only stored and passed to the
1761 * low-level driver when the AP starts or the mesh is joined.
1762 * This is for backward compatibility, userspace can also give
1763 * the channel in the start-ap or join-mesh commands instead.
1765 * Monitors are special as they are normally slaved to
1766 * whatever else is going on, so they have their own special
1767 * operation to set the monitor channel if possible.
1770 wdev
->iftype
== NL80211_IFTYPE_AP
||
1771 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1772 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1773 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1776 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1777 struct genl_info
*info
,
1778 struct cfg80211_chan_def
*chandef
)
1782 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1785 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1787 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1788 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1789 chandef
->center_freq1
= control_freq
;
1790 chandef
->center_freq2
= 0;
1792 /* Primary channel not allowed */
1793 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1796 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1797 enum nl80211_channel_type chantype
;
1799 chantype
= nla_get_u32(
1800 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1803 case NL80211_CHAN_NO_HT
:
1804 case NL80211_CHAN_HT20
:
1805 case NL80211_CHAN_HT40PLUS
:
1806 case NL80211_CHAN_HT40MINUS
:
1807 cfg80211_chandef_create(chandef
, chandef
->chan
,
1813 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
1815 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
1816 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
1817 chandef
->center_freq1
=
1819 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
1820 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
1821 chandef
->center_freq2
=
1823 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
1826 if (!cfg80211_chandef_valid(chandef
))
1829 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
1830 IEEE80211_CHAN_DISABLED
))
1833 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
1834 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
1835 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1841 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1842 struct wireless_dev
*wdev
,
1843 struct genl_info
*info
)
1845 struct cfg80211_chan_def chandef
;
1847 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1850 iftype
= wdev
->iftype
;
1852 if (!nl80211_can_set_dev_channel(wdev
))
1855 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
1860 case NL80211_IFTYPE_AP
:
1861 case NL80211_IFTYPE_P2P_GO
:
1862 if (wdev
->beacon_interval
) {
1866 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
)) {
1870 wdev
->preset_chandef
= chandef
;
1873 case NL80211_IFTYPE_MESH_POINT
:
1874 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
1876 case NL80211_IFTYPE_MONITOR
:
1877 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
1886 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
1888 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1889 struct net_device
*netdev
= info
->user_ptr
[1];
1891 return __nl80211_set_channel(rdev
, netdev
->ieee80211_ptr
, info
);
1894 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
1896 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1897 struct net_device
*dev
= info
->user_ptr
[1];
1898 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1901 if (!info
->attrs
[NL80211_ATTR_MAC
])
1904 if (netif_running(dev
))
1907 if (!rdev
->ops
->set_wds_peer
)
1910 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
1913 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1914 return rdev_set_wds_peer(rdev
, dev
, bssid
);
1918 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1920 struct cfg80211_registered_device
*rdev
;
1921 struct net_device
*netdev
= NULL
;
1922 struct wireless_dev
*wdev
;
1923 int result
= 0, rem_txq_params
= 0;
1924 struct nlattr
*nl_txq_params
;
1926 u8 retry_short
= 0, retry_long
= 0;
1927 u32 frag_threshold
= 0, rts_threshold
= 0;
1928 u8 coverage_class
= 0;
1933 * Try to find the wiphy and netdev. Normally this
1934 * function shouldn't need the netdev, but this is
1935 * done for backward compatibility -- previously
1936 * setting the channel was done per wiphy, but now
1937 * it is per netdev. Previous userland like hostapd
1938 * also passed a netdev to set_wiphy, so that it is
1939 * possible to let that go to the right netdev!
1942 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
1943 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
1945 netdev
= dev_get_by_index(genl_info_net(info
), ifindex
);
1946 if (netdev
&& netdev
->ieee80211_ptr
)
1947 rdev
= wiphy_to_dev(netdev
->ieee80211_ptr
->wiphy
);
1953 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
1956 return PTR_ERR(rdev
);
1961 wdev
= netdev
->ieee80211_ptr
;
1964 * end workaround code, by now the rdev is available
1965 * and locked, and wdev may or may not be NULL.
1968 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
1969 result
= cfg80211_dev_rename(
1970 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
1975 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
1976 struct ieee80211_txq_params txq_params
;
1977 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
1979 if (!rdev
->ops
->set_txq_params
) {
1980 result
= -EOPNOTSUPP
;
1989 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
1990 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
1995 if (!netif_running(netdev
)) {
2000 nla_for_each_nested(nl_txq_params
,
2001 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
2003 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
2004 nla_data(nl_txq_params
),
2005 nla_len(nl_txq_params
),
2007 result
= parse_txq_params(tb
, &txq_params
);
2011 result
= rdev_set_txq_params(rdev
, netdev
,
2018 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2019 result
= __nl80211_set_channel(rdev
,
2020 nl80211_can_set_dev_channel(wdev
) ? wdev
: NULL
,
2026 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2027 struct wireless_dev
*txp_wdev
= wdev
;
2028 enum nl80211_tx_power_setting type
;
2031 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2034 if (!rdev
->ops
->set_tx_power
) {
2035 result
= -EOPNOTSUPP
;
2039 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2040 type
= nla_get_u32(info
->attrs
[idx
]);
2042 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2043 (type
!= NL80211_TX_POWER_AUTOMATIC
)) {
2048 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2049 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2050 mbm
= nla_get_u32(info
->attrs
[idx
]);
2053 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2058 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2059 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2061 if ((!rdev
->wiphy
.available_antennas_tx
&&
2062 !rdev
->wiphy
.available_antennas_rx
) ||
2063 !rdev
->ops
->set_antenna
) {
2064 result
= -EOPNOTSUPP
;
2068 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2069 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2071 /* reject antenna configurations which don't match the
2072 * available antenna masks, except for the "all" mask */
2073 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2074 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
))) {
2079 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2080 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2082 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2089 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2090 retry_short
= nla_get_u8(
2091 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2092 if (retry_short
== 0) {
2096 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2099 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2100 retry_long
= nla_get_u8(
2101 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2102 if (retry_long
== 0) {
2106 changed
|= WIPHY_PARAM_RETRY_LONG
;
2109 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2110 frag_threshold
= nla_get_u32(
2111 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2112 if (frag_threshold
< 256) {
2116 if (frag_threshold
!= (u32
) -1) {
2118 * Fragments (apart from the last one) are required to
2119 * have even length. Make the fragmentation code
2120 * simpler by stripping LSB should someone try to use
2121 * odd threshold value.
2123 frag_threshold
&= ~0x1;
2125 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2128 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2129 rts_threshold
= nla_get_u32(
2130 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2131 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2134 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2135 coverage_class
= nla_get_u8(
2136 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2137 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2141 u8 old_retry_short
, old_retry_long
;
2142 u32 old_frag_threshold
, old_rts_threshold
;
2143 u8 old_coverage_class
;
2145 if (!rdev
->ops
->set_wiphy_params
) {
2146 result
= -EOPNOTSUPP
;
2150 old_retry_short
= rdev
->wiphy
.retry_short
;
2151 old_retry_long
= rdev
->wiphy
.retry_long
;
2152 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2153 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2154 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2156 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2157 rdev
->wiphy
.retry_short
= retry_short
;
2158 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2159 rdev
->wiphy
.retry_long
= retry_long
;
2160 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2161 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2162 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2163 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2164 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2165 rdev
->wiphy
.coverage_class
= coverage_class
;
2167 result
= rdev_set_wiphy_params(rdev
, changed
);
2169 rdev
->wiphy
.retry_short
= old_retry_short
;
2170 rdev
->wiphy
.retry_long
= old_retry_long
;
2171 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2172 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2173 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2183 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2185 return (u64
)wdev
->identifier
|
2186 ((u64
)wiphy_to_dev(wdev
->wiphy
)->wiphy_idx
<< 32);
2189 static int nl80211_send_chandef(struct sk_buff
*msg
,
2190 const struct cfg80211_chan_def
*chandef
)
2192 WARN_ON(!cfg80211_chandef_valid(chandef
));
2194 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2195 chandef
->chan
->center_freq
))
2197 switch (chandef
->width
) {
2198 case NL80211_CHAN_WIDTH_20_NOHT
:
2199 case NL80211_CHAN_WIDTH_20
:
2200 case NL80211_CHAN_WIDTH_40
:
2201 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2202 cfg80211_get_chandef_type(chandef
)))
2208 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2210 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2212 if (chandef
->center_freq2
&&
2213 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2218 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2219 struct cfg80211_registered_device
*rdev
,
2220 struct wireless_dev
*wdev
)
2222 struct net_device
*dev
= wdev
->netdev
;
2225 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
2230 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2231 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2232 goto nla_put_failure
;
2234 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2235 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2236 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
2237 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2238 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2239 rdev
->devlist_generation
^
2240 (cfg80211_rdev_list_generation
<< 2)))
2241 goto nla_put_failure
;
2243 if (rdev
->ops
->get_channel
) {
2245 struct cfg80211_chan_def chandef
;
2247 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2249 if (nl80211_send_chandef(msg
, &chandef
))
2250 goto nla_put_failure
;
2254 if (wdev
->ssid_len
) {
2255 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2256 goto nla_put_failure
;
2259 return genlmsg_end(msg
, hdr
);
2262 genlmsg_cancel(msg
, hdr
);
2266 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2270 int wp_start
= cb
->args
[0];
2271 int if_start
= cb
->args
[1];
2272 struct cfg80211_registered_device
*rdev
;
2273 struct wireless_dev
*wdev
;
2276 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2277 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2279 if (wp_idx
< wp_start
) {
2285 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2286 if (if_idx
< if_start
) {
2290 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2291 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2303 cb
->args
[0] = wp_idx
;
2304 cb
->args
[1] = if_idx
;
2309 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2311 struct sk_buff
*msg
;
2312 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
2313 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2315 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2319 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2325 return genlmsg_reply(msg
, info
);
2328 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2329 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2330 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2331 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2332 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2333 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2334 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2337 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2339 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2347 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2348 nla
, mntr_flags_policy
))
2351 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2353 *mntrflags
|= (1<<flag
);
2358 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2359 struct net_device
*netdev
, u8 use_4addr
,
2360 enum nl80211_iftype iftype
)
2363 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2369 case NL80211_IFTYPE_AP_VLAN
:
2370 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2373 case NL80211_IFTYPE_STATION
:
2374 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2384 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2386 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2387 struct vif_params params
;
2389 enum nl80211_iftype otype
, ntype
;
2390 struct net_device
*dev
= info
->user_ptr
[1];
2391 u32 _flags
, *flags
= NULL
;
2392 bool change
= false;
2394 memset(¶ms
, 0, sizeof(params
));
2396 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2398 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2399 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2402 if (ntype
> NL80211_IFTYPE_MAX
)
2406 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2407 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2409 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2411 if (netif_running(dev
))
2415 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2416 IEEE80211_MAX_MESH_ID_LEN
);
2417 wdev
->mesh_id_up_len
=
2418 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2419 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2420 wdev
->mesh_id_up_len
);
2424 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2425 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2427 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2431 params
.use_4addr
= -1;
2434 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2435 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2437 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2446 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2447 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2451 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2455 if (!err
&& params
.use_4addr
!= -1)
2456 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2461 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2463 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2464 struct vif_params params
;
2465 struct wireless_dev
*wdev
;
2466 struct sk_buff
*msg
;
2468 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2471 memset(¶ms
, 0, sizeof(params
));
2473 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2476 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2477 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2478 if (type
> NL80211_IFTYPE_MAX
)
2482 if (!rdev
->ops
->add_virtual_intf
||
2483 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2486 if (type
== NL80211_IFTYPE_P2P_DEVICE
&& info
->attrs
[NL80211_ATTR_MAC
]) {
2487 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2489 if (!is_valid_ether_addr(params
.macaddr
))
2490 return -EADDRNOTAVAIL
;
2493 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2494 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2495 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2500 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2504 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2505 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2508 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2509 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2512 wdev
= rdev_add_virtual_intf(rdev
,
2513 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2514 type
, err
? NULL
: &flags
, ¶ms
);
2517 return PTR_ERR(wdev
);
2521 case NL80211_IFTYPE_MESH_POINT
:
2522 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2525 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2526 IEEE80211_MAX_MESH_ID_LEN
);
2527 wdev
->mesh_id_up_len
=
2528 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2529 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2530 wdev
->mesh_id_up_len
);
2533 case NL80211_IFTYPE_P2P_DEVICE
:
2535 * P2P Device doesn't have a netdev, so doesn't go
2536 * through the netdev notifier and must be added here
2538 mutex_init(&wdev
->mtx
);
2539 INIT_LIST_HEAD(&wdev
->event_list
);
2540 spin_lock_init(&wdev
->event_lock
);
2541 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2542 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2544 wdev
->identifier
= ++rdev
->wdev_id
;
2545 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2546 rdev
->devlist_generation
++;
2552 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2558 return genlmsg_reply(msg
, info
);
2561 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2563 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2564 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2566 if (!rdev
->ops
->del_virtual_intf
)
2570 * If we remove a wireless device without a netdev then clear
2571 * user_ptr[1] so that nl80211_post_doit won't dereference it
2572 * to check if it needs to do dev_put(). Otherwise it crashes
2573 * since the wdev has been freed, unlike with a netdev where
2574 * we need the dev_put() for the netdev to really be freed.
2577 info
->user_ptr
[1] = NULL
;
2579 return rdev_del_virtual_intf(rdev
, wdev
);
2582 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2584 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2585 struct net_device
*dev
= info
->user_ptr
[1];
2588 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2591 if (!rdev
->ops
->set_noack_map
)
2594 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2596 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2599 struct get_key_cookie
{
2600 struct sk_buff
*msg
;
2605 static void get_key_callback(void *c
, struct key_params
*params
)
2608 struct get_key_cookie
*cookie
= c
;
2611 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2612 params
->key_len
, params
->key
)) ||
2614 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2615 params
->seq_len
, params
->seq
)) ||
2617 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2619 goto nla_put_failure
;
2621 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2623 goto nla_put_failure
;
2626 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2627 params
->key_len
, params
->key
)) ||
2629 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2630 params
->seq_len
, params
->seq
)) ||
2632 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2634 goto nla_put_failure
;
2636 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2637 goto nla_put_failure
;
2639 nla_nest_end(cookie
->msg
, key
);
2646 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2648 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2650 struct net_device
*dev
= info
->user_ptr
[1];
2652 const u8
*mac_addr
= NULL
;
2654 struct get_key_cookie cookie
= {
2658 struct sk_buff
*msg
;
2660 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2661 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2666 if (info
->attrs
[NL80211_ATTR_MAC
])
2667 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2669 pairwise
= !!mac_addr
;
2670 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2671 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2672 if (kt
>= NUM_NL80211_KEYTYPES
)
2674 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2675 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2677 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2680 if (!rdev
->ops
->get_key
)
2683 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2687 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2688 NL80211_CMD_NEW_KEY
);
2693 cookie
.idx
= key_idx
;
2695 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2696 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2697 goto nla_put_failure
;
2699 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2700 goto nla_put_failure
;
2702 if (pairwise
&& mac_addr
&&
2703 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2706 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2713 goto nla_put_failure
;
2715 genlmsg_end(msg
, hdr
);
2716 return genlmsg_reply(msg
, info
);
2725 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2727 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2728 struct key_parse key
;
2730 struct net_device
*dev
= info
->user_ptr
[1];
2732 err
= nl80211_parse_key(info
, &key
);
2739 /* only support setting default key */
2740 if (!key
.def
&& !key
.defmgmt
)
2743 wdev_lock(dev
->ieee80211_ptr
);
2746 if (!rdev
->ops
->set_default_key
) {
2751 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2755 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2756 key
.def_uni
, key
.def_multi
);
2761 #ifdef CONFIG_CFG80211_WEXT
2762 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2765 if (key
.def_uni
|| !key
.def_multi
) {
2770 if (!rdev
->ops
->set_default_mgmt_key
) {
2775 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2779 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2783 #ifdef CONFIG_CFG80211_WEXT
2784 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2789 wdev_unlock(dev
->ieee80211_ptr
);
2794 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2796 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2798 struct net_device
*dev
= info
->user_ptr
[1];
2799 struct key_parse key
;
2800 const u8
*mac_addr
= NULL
;
2802 err
= nl80211_parse_key(info
, &key
);
2809 if (info
->attrs
[NL80211_ATTR_MAC
])
2810 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2812 if (key
.type
== -1) {
2814 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2816 key
.type
= NL80211_KEYTYPE_GROUP
;
2820 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2821 key
.type
!= NL80211_KEYTYPE_GROUP
)
2824 if (!rdev
->ops
->add_key
)
2827 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
2828 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2832 wdev_lock(dev
->ieee80211_ptr
);
2833 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2835 err
= rdev_add_key(rdev
, dev
, key
.idx
,
2836 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2838 wdev_unlock(dev
->ieee80211_ptr
);
2843 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
2845 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2847 struct net_device
*dev
= info
->user_ptr
[1];
2848 u8
*mac_addr
= NULL
;
2849 struct key_parse key
;
2851 err
= nl80211_parse_key(info
, &key
);
2855 if (info
->attrs
[NL80211_ATTR_MAC
])
2856 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2858 if (key
.type
== -1) {
2860 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2862 key
.type
= NL80211_KEYTYPE_GROUP
;
2866 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2867 key
.type
!= NL80211_KEYTYPE_GROUP
)
2870 if (!rdev
->ops
->del_key
)
2873 wdev_lock(dev
->ieee80211_ptr
);
2874 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2876 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
2877 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2881 err
= rdev_del_key(rdev
, dev
, key
.idx
,
2882 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2885 #ifdef CONFIG_CFG80211_WEXT
2887 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
2888 dev
->ieee80211_ptr
->wext
.default_key
= -1;
2889 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
2890 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
2893 wdev_unlock(dev
->ieee80211_ptr
);
2898 /* This function returns an error or the number of nested attributes */
2899 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
2901 struct nlattr
*attr
;
2902 int n_entries
= 0, tmp
;
2904 nla_for_each_nested(attr
, nl_attr
, tmp
) {
2905 if (nla_len(attr
) != ETH_ALEN
)
2915 * This function parses ACL information and allocates memory for ACL data.
2916 * On successful return, the calling function is responsible to free the
2917 * ACL buffer returned by this function.
2919 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
2920 struct genl_info
*info
)
2922 enum nl80211_acl_policy acl_policy
;
2923 struct nlattr
*attr
;
2924 struct cfg80211_acl_data
*acl
;
2925 int i
= 0, n_entries
, tmp
;
2927 if (!wiphy
->max_acl_mac_addrs
)
2928 return ERR_PTR(-EOPNOTSUPP
);
2930 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
2931 return ERR_PTR(-EINVAL
);
2933 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
2934 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
2935 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
2936 return ERR_PTR(-EINVAL
);
2938 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
2939 return ERR_PTR(-EINVAL
);
2941 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
2943 return ERR_PTR(n_entries
);
2945 if (n_entries
> wiphy
->max_acl_mac_addrs
)
2946 return ERR_PTR(-ENOTSUPP
);
2948 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
2951 return ERR_PTR(-ENOMEM
);
2953 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
2954 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
2958 acl
->n_acl_entries
= n_entries
;
2959 acl
->acl_policy
= acl_policy
;
2964 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
2966 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2967 struct net_device
*dev
= info
->user_ptr
[1];
2968 struct cfg80211_acl_data
*acl
;
2971 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2972 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2975 if (!dev
->ieee80211_ptr
->beacon_interval
)
2978 acl
= parse_acl_data(&rdev
->wiphy
, info
);
2980 return PTR_ERR(acl
);
2982 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
2989 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
2990 struct cfg80211_beacon_data
*bcn
)
2992 bool haveinfo
= false;
2994 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
2995 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
2996 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
2997 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
3000 memset(bcn
, 0, sizeof(*bcn
));
3002 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
3003 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3004 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
3010 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
3011 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3012 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3019 if (attrs
[NL80211_ATTR_IE
]) {
3020 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3021 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3024 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3025 bcn
->proberesp_ies
=
3026 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3027 bcn
->proberesp_ies_len
=
3028 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3031 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3032 bcn
->assocresp_ies
=
3033 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3034 bcn
->assocresp_ies_len
=
3035 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3038 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3039 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3040 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3046 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3047 struct cfg80211_ap_settings
*params
)
3049 struct wireless_dev
*wdev
;
3052 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3053 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3054 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3057 if (!wdev
->preset_chandef
.chan
)
3060 params
->chandef
= wdev
->preset_chandef
;
3068 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3069 enum nl80211_auth_type auth_type
,
3070 enum nl80211_commands cmd
)
3072 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3076 case NL80211_CMD_AUTHENTICATE
:
3077 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3078 auth_type
== NL80211_AUTHTYPE_SAE
)
3081 case NL80211_CMD_CONNECT
:
3082 case NL80211_CMD_START_AP
:
3083 /* SAE not supported yet */
3084 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3092 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3094 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3095 struct net_device
*dev
= info
->user_ptr
[1];
3096 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3097 struct cfg80211_ap_settings params
;
3099 u8 radar_detect_width
= 0;
3101 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3102 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3105 if (!rdev
->ops
->start_ap
)
3108 if (wdev
->beacon_interval
)
3111 memset(¶ms
, 0, sizeof(params
));
3113 /* these are required for START_AP */
3114 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3115 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3116 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3119 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3123 params
.beacon_interval
=
3124 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3125 params
.dtim_period
=
3126 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3128 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3133 * In theory, some of these attributes should be required here
3134 * but since they were not used when the command was originally
3135 * added, keep them optional for old user space programs to let
3136 * them continue to work with drivers that do not need the
3137 * additional information -- drivers must check!
3139 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3140 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3142 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3143 if (params
.ssid_len
== 0 ||
3144 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3148 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3149 params
.hidden_ssid
= nla_get_u32(
3150 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3151 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3152 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3153 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3157 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3159 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3160 params
.auth_type
= nla_get_u32(
3161 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3162 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3163 NL80211_CMD_START_AP
))
3166 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3168 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3169 NL80211_MAX_NR_CIPHER_SUITES
);
3173 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3174 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3176 params
.inactivity_timeout
= nla_get_u16(
3177 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3180 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3181 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3183 params
.p2p_ctwindow
=
3184 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3185 if (params
.p2p_ctwindow
> 127)
3187 if (params
.p2p_ctwindow
!= 0 &&
3188 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3192 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3195 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3197 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3200 params
.p2p_opp_ps
= tmp
;
3201 if (params
.p2p_opp_ps
!= 0 &&
3202 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3206 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3207 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3210 } else if (wdev
->preset_chandef
.chan
) {
3211 params
.chandef
= wdev
->preset_chandef
;
3212 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3215 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
))
3218 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, ¶ms
.chandef
);
3222 radar_detect_width
= BIT(params
.chandef
.width
);
3223 params
.radar_required
= true;
3226 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
3227 params
.chandef
.chan
,
3229 radar_detect_width
);
3233 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3234 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3235 if (IS_ERR(params
.acl
))
3236 return PTR_ERR(params
.acl
);
3240 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3242 wdev
->preset_chandef
= params
.chandef
;
3243 wdev
->beacon_interval
= params
.beacon_interval
;
3244 wdev
->channel
= params
.chandef
.chan
;
3245 wdev
->ssid_len
= params
.ssid_len
;
3246 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3255 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3257 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3258 struct net_device
*dev
= info
->user_ptr
[1];
3259 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3260 struct cfg80211_beacon_data params
;
3263 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3264 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3267 if (!rdev
->ops
->change_beacon
)
3270 if (!wdev
->beacon_interval
)
3273 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3278 err
= rdev_change_beacon(rdev
, dev
, ¶ms
);
3284 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3286 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3287 struct net_device
*dev
= info
->user_ptr
[1];
3289 return cfg80211_stop_ap(rdev
, dev
);
3292 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3293 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3294 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3295 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3296 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3297 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3298 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3301 static int parse_station_flags(struct genl_info
*info
,
3302 enum nl80211_iftype iftype
,
3303 struct station_parameters
*params
)
3305 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3310 * Try parsing the new attribute first so userspace
3311 * can specify both for older kernels.
3313 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3315 struct nl80211_sta_flag_update
*sta_flags
;
3317 sta_flags
= nla_data(nla
);
3318 params
->sta_flags_mask
= sta_flags
->mask
;
3319 params
->sta_flags_set
= sta_flags
->set
;
3320 params
->sta_flags_set
&= params
->sta_flags_mask
;
3321 if ((params
->sta_flags_mask
|
3322 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3327 /* if present, parse the old attribute */
3329 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3333 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3334 nla
, sta_flags_policy
))
3338 * Only allow certain flags for interface types so that
3339 * other attributes are silently ignored. Remember that
3340 * this is backward compatibility code with old userspace
3341 * and shouldn't be hit in other cases anyway.
3344 case NL80211_IFTYPE_AP
:
3345 case NL80211_IFTYPE_AP_VLAN
:
3346 case NL80211_IFTYPE_P2P_GO
:
3347 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3348 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3349 BIT(NL80211_STA_FLAG_WME
) |
3350 BIT(NL80211_STA_FLAG_MFP
);
3352 case NL80211_IFTYPE_P2P_CLIENT
:
3353 case NL80211_IFTYPE_STATION
:
3354 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3355 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3357 case NL80211_IFTYPE_MESH_POINT
:
3358 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3359 BIT(NL80211_STA_FLAG_MFP
) |
3360 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3365 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3367 params
->sta_flags_set
|= (1<<flag
);
3369 /* no longer support new API additions in old API */
3370 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3378 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3381 struct nlattr
*rate
;
3385 rate
= nla_nest_start(msg
, attr
);
3389 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3390 bitrate
= cfg80211_calculate_bitrate(info
);
3391 /* report 16-bit bitrate only if we can */
3392 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3394 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3396 if (bitrate_compat
> 0 &&
3397 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3400 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3401 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3403 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3404 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3406 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3407 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3409 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3410 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3412 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3414 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3415 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3417 if (info
->flags
& RATE_INFO_FLAGS_80_MHZ_WIDTH
&&
3418 nla_put_flag(msg
, NL80211_RATE_INFO_80_MHZ_WIDTH
))
3420 if (info
->flags
& RATE_INFO_FLAGS_80P80_MHZ_WIDTH
&&
3421 nla_put_flag(msg
, NL80211_RATE_INFO_80P80_MHZ_WIDTH
))
3423 if (info
->flags
& RATE_INFO_FLAGS_160_MHZ_WIDTH
&&
3424 nla_put_flag(msg
, NL80211_RATE_INFO_160_MHZ_WIDTH
))
3426 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3427 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3431 nla_nest_end(msg
, rate
);
3435 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3444 attr
= nla_nest_start(msg
, id
);
3448 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3449 if (!(mask
& BIT(i
)))
3452 if (nla_put_u8(msg
, i
, signal
[i
]))
3456 nla_nest_end(msg
, attr
);
3461 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3463 struct cfg80211_registered_device
*rdev
,
3464 struct net_device
*dev
,
3465 const u8
*mac_addr
, struct station_info
*sinfo
)
3468 struct nlattr
*sinfoattr
, *bss_param
;
3470 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3474 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3475 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3476 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3477 goto nla_put_failure
;
3479 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3481 goto nla_put_failure
;
3482 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
3483 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
3484 sinfo
->connected_time
))
3485 goto nla_put_failure
;
3486 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
3487 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
3488 sinfo
->inactive_time
))
3489 goto nla_put_failure
;
3490 if ((sinfo
->filled
& (STATION_INFO_RX_BYTES
|
3491 STATION_INFO_RX_BYTES64
)) &&
3492 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3493 (u32
)sinfo
->rx_bytes
))
3494 goto nla_put_failure
;
3495 if ((sinfo
->filled
& (STATION_INFO_TX_BYTES
|
3496 STATION_INFO_TX_BYTES64
)) &&
3497 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3498 (u32
)sinfo
->tx_bytes
))
3499 goto nla_put_failure
;
3500 if ((sinfo
->filled
& STATION_INFO_RX_BYTES64
) &&
3501 nla_put_u64(msg
, NL80211_STA_INFO_RX_BYTES64
,
3503 goto nla_put_failure
;
3504 if ((sinfo
->filled
& STATION_INFO_TX_BYTES64
) &&
3505 nla_put_u64(msg
, NL80211_STA_INFO_TX_BYTES64
,
3507 goto nla_put_failure
;
3508 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
3509 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
3510 goto nla_put_failure
;
3511 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
3512 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
3513 goto nla_put_failure
;
3514 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
3515 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
3516 sinfo
->plink_state
))
3517 goto nla_put_failure
;
3518 switch (rdev
->wiphy
.signal_type
) {
3519 case CFG80211_SIGNAL_TYPE_MBM
:
3520 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
3521 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
3523 goto nla_put_failure
;
3524 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
3525 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
3527 goto nla_put_failure
;
3532 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL
) {
3533 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3534 sinfo
->chain_signal
,
3535 NL80211_STA_INFO_CHAIN_SIGNAL
))
3536 goto nla_put_failure
;
3538 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL_AVG
) {
3539 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3540 sinfo
->chain_signal_avg
,
3541 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3542 goto nla_put_failure
;
3544 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
3545 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3546 NL80211_STA_INFO_TX_BITRATE
))
3547 goto nla_put_failure
;
3549 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
3550 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3551 NL80211_STA_INFO_RX_BITRATE
))
3552 goto nla_put_failure
;
3554 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
3555 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
3557 goto nla_put_failure
;
3558 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
3559 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
3561 goto nla_put_failure
;
3562 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
3563 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
3565 goto nla_put_failure
;
3566 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
3567 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
3569 goto nla_put_failure
;
3570 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
3571 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
3572 sinfo
->beacon_loss_count
))
3573 goto nla_put_failure
;
3574 if ((sinfo
->filled
& STATION_INFO_LOCAL_PM
) &&
3575 nla_put_u32(msg
, NL80211_STA_INFO_LOCAL_PM
,
3577 goto nla_put_failure
;
3578 if ((sinfo
->filled
& STATION_INFO_PEER_PM
) &&
3579 nla_put_u32(msg
, NL80211_STA_INFO_PEER_PM
,
3581 goto nla_put_failure
;
3582 if ((sinfo
->filled
& STATION_INFO_NONPEER_PM
) &&
3583 nla_put_u32(msg
, NL80211_STA_INFO_NONPEER_PM
,
3585 goto nla_put_failure
;
3586 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
3587 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3589 goto nla_put_failure
;
3591 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3592 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3593 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3594 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3595 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3596 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3597 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3598 sinfo
->bss_param
.dtim_period
) ||
3599 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3600 sinfo
->bss_param
.beacon_interval
))
3601 goto nla_put_failure
;
3603 nla_nest_end(msg
, bss_param
);
3605 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
3606 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3607 sizeof(struct nl80211_sta_flag_update
),
3609 goto nla_put_failure
;
3610 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
3611 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
3613 goto nla_put_failure
;
3614 nla_nest_end(msg
, sinfoattr
);
3616 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
3617 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3618 sinfo
->assoc_req_ies
))
3619 goto nla_put_failure
;
3621 return genlmsg_end(msg
, hdr
);
3624 genlmsg_cancel(msg
, hdr
);
3628 static int nl80211_dump_station(struct sk_buff
*skb
,
3629 struct netlink_callback
*cb
)
3631 struct station_info sinfo
;
3632 struct cfg80211_registered_device
*dev
;
3633 struct wireless_dev
*wdev
;
3634 u8 mac_addr
[ETH_ALEN
];
3635 int sta_idx
= cb
->args
[2];
3638 err
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
3642 if (!wdev
->netdev
) {
3647 if (!dev
->ops
->dump_station
) {
3653 memset(&sinfo
, 0, sizeof(sinfo
));
3654 err
= rdev_dump_station(dev
, wdev
->netdev
, sta_idx
,
3661 if (nl80211_send_station(skb
,
3662 NETLINK_CB(cb
->skb
).portid
,
3663 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3664 dev
, wdev
->netdev
, mac_addr
,
3673 cb
->args
[2] = sta_idx
;
3676 nl80211_finish_wdev_dump(dev
);
3681 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3683 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3684 struct net_device
*dev
= info
->user_ptr
[1];
3685 struct station_info sinfo
;
3686 struct sk_buff
*msg
;
3687 u8
*mac_addr
= NULL
;
3690 memset(&sinfo
, 0, sizeof(sinfo
));
3692 if (!info
->attrs
[NL80211_ATTR_MAC
])
3695 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3697 if (!rdev
->ops
->get_station
)
3700 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3704 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3708 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3709 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3714 return genlmsg_reply(msg
, info
);
3717 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3718 struct station_parameters
*params
,
3719 enum cfg80211_station_type statype
)
3721 if (params
->listen_interval
!= -1)
3726 /* When you run into this, adjust the code below for the new flag */
3727 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3730 case CFG80211_STA_MESH_PEER_KERNEL
:
3731 case CFG80211_STA_MESH_PEER_USER
:
3733 * No ignoring the TDLS flag here -- the userspace mesh
3734 * code doesn't have the bug of including TDLS in the
3737 if (params
->sta_flags_mask
&
3738 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3739 BIT(NL80211_STA_FLAG_MFP
) |
3740 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3743 case CFG80211_STA_TDLS_PEER_SETUP
:
3744 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3745 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3747 /* ignore since it can't change */
3748 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3751 /* disallow mesh-specific things */
3752 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3754 if (params
->local_pm
)
3756 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3760 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3761 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3762 /* TDLS can't be set, ... */
3763 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3766 * ... but don't bother the driver with it. This works around
3767 * a hostapd/wpa_supplicant issue -- it always includes the
3768 * TLDS_PEER flag in the mask even for AP mode.
3770 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3773 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
3774 /* reject other things that can't change */
3775 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
3777 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
3779 if (params
->supported_rates
)
3781 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
3785 if (statype
!= CFG80211_STA_AP_CLIENT
) {
3791 case CFG80211_STA_AP_MLME_CLIENT
:
3792 /* Use this only for authorizing/unauthorizing a station */
3793 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3796 case CFG80211_STA_AP_CLIENT
:
3797 /* accept only the listed bits */
3798 if (params
->sta_flags_mask
&
3799 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3800 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3801 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3802 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3803 BIT(NL80211_STA_FLAG_WME
) |
3804 BIT(NL80211_STA_FLAG_MFP
)))
3807 /* but authenticated/associated only if driver handles it */
3808 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
3809 params
->sta_flags_mask
&
3810 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3811 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
3814 case CFG80211_STA_IBSS
:
3815 case CFG80211_STA_AP_STA
:
3816 /* reject any changes other than AUTHORIZED */
3817 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
3820 case CFG80211_STA_TDLS_PEER_SETUP
:
3821 /* reject any changes other than AUTHORIZED or WME */
3822 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3823 BIT(NL80211_STA_FLAG_WME
)))
3825 /* force (at least) rates when authorizing */
3826 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
3827 !params
->supported_rates
)
3830 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3831 /* reject any changes */
3833 case CFG80211_STA_MESH_PEER_KERNEL
:
3834 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3837 case CFG80211_STA_MESH_PEER_USER
:
3838 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3845 EXPORT_SYMBOL(cfg80211_check_station_change
);
3848 * Get vlan interface making sure it is running and on the right wiphy.
3850 static struct net_device
*get_vlan(struct genl_info
*info
,
3851 struct cfg80211_registered_device
*rdev
)
3853 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
3854 struct net_device
*v
;
3860 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
3862 return ERR_PTR(-ENODEV
);
3864 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
3869 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
3870 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3871 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
3876 if (!netif_running(v
)) {
3884 return ERR_PTR(ret
);
3887 static struct nla_policy
3888 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] __read_mostly
= {
3889 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
3890 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
3893 static int nl80211_parse_sta_wme(struct genl_info
*info
,
3894 struct station_parameters
*params
)
3896 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
3900 /* parse WME attributes if present */
3901 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
3904 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
3905 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
3906 nl80211_sta_wme_policy
);
3910 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
3911 params
->uapsd_queues
= nla_get_u8(
3912 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
3913 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
3916 if (tb
[NL80211_STA_WME_MAX_SP
])
3917 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
3919 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
3922 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
3927 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
3928 struct station_parameters
*params
)
3930 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
3931 params
->supported_channels
=
3932 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
3933 params
->supported_channels_len
=
3934 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
3936 * Need to include at least one (first channel, number of
3937 * channels) tuple for each subband, and must have proper
3938 * tuples for the rest of the data as well.
3940 if (params
->supported_channels_len
< 2)
3942 if (params
->supported_channels_len
% 2)
3946 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
3947 params
->supported_oper_classes
=
3948 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
3949 params
->supported_oper_classes_len
=
3950 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
3952 * The value of the Length field of the Supported Operating
3953 * Classes element is between 2 and 253.
3955 if (params
->supported_oper_classes_len
< 2 ||
3956 params
->supported_oper_classes_len
> 253)
3962 static int nl80211_set_station_tdls(struct genl_info
*info
,
3963 struct station_parameters
*params
)
3966 /* Dummy STA entry gets updated once the peer capabilities are known */
3967 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
3968 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
3969 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
3971 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
3972 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
3974 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
3976 err
= nl80211_parse_sta_channel_info(info
, params
);
3980 return nl80211_parse_sta_wme(info
, params
);
3983 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
3985 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3986 struct net_device
*dev
= info
->user_ptr
[1];
3987 struct station_parameters params
;
3991 memset(¶ms
, 0, sizeof(params
));
3993 params
.listen_interval
= -1;
3995 if (!rdev
->ops
->change_station
)
3998 if (info
->attrs
[NL80211_ATTR_STA_AID
])
4001 if (!info
->attrs
[NL80211_ATTR_MAC
])
4004 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4006 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
4007 params
.supported_rates
=
4008 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4009 params
.supported_rates_len
=
4010 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4013 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4015 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4016 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4019 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4021 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4022 params
.ext_capab_len
=
4023 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4026 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4029 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4032 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4033 params
.plink_action
=
4034 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4035 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4039 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4040 params
.plink_state
=
4041 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4042 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4044 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4047 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4048 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4049 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4051 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4052 pm
> NL80211_MESH_POWER_MAX
)
4055 params
.local_pm
= pm
;
4058 /* Include parameters for TDLS peer (will check later) */
4059 err
= nl80211_set_station_tdls(info
, ¶ms
);
4063 params
.vlan
= get_vlan(info
, rdev
);
4064 if (IS_ERR(params
.vlan
))
4065 return PTR_ERR(params
.vlan
);
4067 switch (dev
->ieee80211_ptr
->iftype
) {
4068 case NL80211_IFTYPE_AP
:
4069 case NL80211_IFTYPE_AP_VLAN
:
4070 case NL80211_IFTYPE_P2P_GO
:
4071 case NL80211_IFTYPE_P2P_CLIENT
:
4072 case NL80211_IFTYPE_STATION
:
4073 case NL80211_IFTYPE_ADHOC
:
4074 case NL80211_IFTYPE_MESH_POINT
:
4081 /* driver will call cfg80211_check_station_change() */
4082 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4086 dev_put(params
.vlan
);
4091 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4093 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4095 struct net_device
*dev
= info
->user_ptr
[1];
4096 struct station_parameters params
;
4097 u8
*mac_addr
= NULL
;
4099 memset(¶ms
, 0, sizeof(params
));
4101 if (!rdev
->ops
->add_station
)
4104 if (!info
->attrs
[NL80211_ATTR_MAC
])
4107 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4110 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4113 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4114 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4117 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4118 params
.supported_rates
=
4119 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4120 params
.supported_rates_len
=
4121 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4122 params
.listen_interval
=
4123 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4125 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4126 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4128 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4129 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4132 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4134 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4135 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4138 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4140 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4141 params
.ext_capab_len
=
4142 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4145 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4147 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4149 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4151 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4153 if (info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]) {
4154 params
.opmode_notif_used
= true;
4155 params
.opmode_notif
=
4156 nla_get_u8(info
->attrs
[NL80211_ATTR_OPMODE_NOTIF
]);
4159 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4160 params
.plink_action
=
4161 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4162 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4166 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4170 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4174 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4177 /* When you run into this, adjust the code below for the new flag */
4178 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4180 switch (dev
->ieee80211_ptr
->iftype
) {
4181 case NL80211_IFTYPE_AP
:
4182 case NL80211_IFTYPE_AP_VLAN
:
4183 case NL80211_IFTYPE_P2P_GO
:
4184 /* ignore WME attributes if iface/sta is not capable */
4185 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4186 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4187 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4189 /* TDLS peers cannot be added */
4190 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4191 info
->attrs
[NL80211_ATTR_PEER_AID
])
4193 /* but don't bother the driver with it */
4194 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4196 /* allow authenticated/associated only if driver handles it */
4197 if (!(rdev
->wiphy
.features
&
4198 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4199 params
.sta_flags_mask
&
4200 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4201 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4204 /* must be last in here for error handling */
4205 params
.vlan
= get_vlan(info
, rdev
);
4206 if (IS_ERR(params
.vlan
))
4207 return PTR_ERR(params
.vlan
);
4209 case NL80211_IFTYPE_MESH_POINT
:
4210 /* ignore uAPSD data */
4211 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4213 /* associated is disallowed */
4214 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4216 /* TDLS peers cannot be added */
4217 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4218 info
->attrs
[NL80211_ATTR_PEER_AID
])
4221 case NL80211_IFTYPE_STATION
:
4222 case NL80211_IFTYPE_P2P_CLIENT
:
4223 /* ignore uAPSD data */
4224 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4226 /* these are disallowed */
4227 if (params
.sta_flags_mask
&
4228 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4229 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4231 /* Only TDLS peers can be added */
4232 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4234 /* Can only add if TDLS ... */
4235 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4237 /* ... with external setup is supported */
4238 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4241 * Older wpa_supplicant versions always mark the TDLS peer
4242 * as authorized, but it shouldn't yet be.
4244 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4250 /* be aware of params.vlan when changing code here */
4252 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4255 dev_put(params
.vlan
);
4259 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4261 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4262 struct net_device
*dev
= info
->user_ptr
[1];
4263 u8
*mac_addr
= NULL
;
4265 if (info
->attrs
[NL80211_ATTR_MAC
])
4266 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4268 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4269 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4270 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4271 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4274 if (!rdev
->ops
->del_station
)
4277 return rdev_del_station(rdev
, dev
, mac_addr
);
4280 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4281 int flags
, struct net_device
*dev
,
4282 u8
*dst
, u8
*next_hop
,
4283 struct mpath_info
*pinfo
)
4286 struct nlattr
*pinfoattr
;
4288 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
4292 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4293 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4294 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4295 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4296 goto nla_put_failure
;
4298 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4300 goto nla_put_failure
;
4301 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4302 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4304 goto nla_put_failure
;
4305 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4306 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4307 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4308 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4310 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4311 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4313 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4314 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4316 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4317 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4318 pinfo
->discovery_timeout
)) ||
4319 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4320 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4321 pinfo
->discovery_retries
)))
4322 goto nla_put_failure
;
4324 nla_nest_end(msg
, pinfoattr
);
4326 return genlmsg_end(msg
, hdr
);
4329 genlmsg_cancel(msg
, hdr
);
4333 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4334 struct netlink_callback
*cb
)
4336 struct mpath_info pinfo
;
4337 struct cfg80211_registered_device
*dev
;
4338 struct wireless_dev
*wdev
;
4340 u8 next_hop
[ETH_ALEN
];
4341 int path_idx
= cb
->args
[2];
4344 err
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
4348 if (!dev
->ops
->dump_mpath
) {
4353 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4359 err
= rdev_dump_mpath(dev
, wdev
->netdev
, path_idx
, dst
,
4366 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4367 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4368 wdev
->netdev
, dst
, next_hop
,
4377 cb
->args
[2] = path_idx
;
4380 nl80211_finish_wdev_dump(dev
);
4384 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4386 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4388 struct net_device
*dev
= info
->user_ptr
[1];
4389 struct mpath_info pinfo
;
4390 struct sk_buff
*msg
;
4392 u8 next_hop
[ETH_ALEN
];
4394 memset(&pinfo
, 0, sizeof(pinfo
));
4396 if (!info
->attrs
[NL80211_ATTR_MAC
])
4399 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4401 if (!rdev
->ops
->get_mpath
)
4404 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4407 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4411 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4415 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4416 dev
, dst
, next_hop
, &pinfo
) < 0) {
4421 return genlmsg_reply(msg
, info
);
4424 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4426 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4427 struct net_device
*dev
= info
->user_ptr
[1];
4429 u8
*next_hop
= NULL
;
4431 if (!info
->attrs
[NL80211_ATTR_MAC
])
4434 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4437 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4438 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4440 if (!rdev
->ops
->change_mpath
)
4443 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4446 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4449 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4451 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4452 struct net_device
*dev
= info
->user_ptr
[1];
4454 u8
*next_hop
= NULL
;
4456 if (!info
->attrs
[NL80211_ATTR_MAC
])
4459 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4462 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4463 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4465 if (!rdev
->ops
->add_mpath
)
4468 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4471 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4474 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4476 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4477 struct net_device
*dev
= info
->user_ptr
[1];
4480 if (info
->attrs
[NL80211_ATTR_MAC
])
4481 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4483 if (!rdev
->ops
->del_mpath
)
4486 return rdev_del_mpath(rdev
, dev
, dst
);
4489 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4491 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4492 struct net_device
*dev
= info
->user_ptr
[1];
4493 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4494 struct bss_parameters params
;
4497 memset(¶ms
, 0, sizeof(params
));
4498 /* default to not changing parameters */
4499 params
.use_cts_prot
= -1;
4500 params
.use_short_preamble
= -1;
4501 params
.use_short_slot_time
= -1;
4502 params
.ap_isolate
= -1;
4503 params
.ht_opmode
= -1;
4504 params
.p2p_ctwindow
= -1;
4505 params
.p2p_opp_ps
= -1;
4507 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4508 params
.use_cts_prot
=
4509 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4510 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4511 params
.use_short_preamble
=
4512 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4513 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4514 params
.use_short_slot_time
=
4515 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4516 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4517 params
.basic_rates
=
4518 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4519 params
.basic_rates_len
=
4520 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4522 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4523 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4524 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4526 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4528 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4529 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4531 params
.p2p_ctwindow
=
4532 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4533 if (params
.p2p_ctwindow
< 0)
4535 if (params
.p2p_ctwindow
!= 0 &&
4536 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4540 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4543 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4545 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4548 params
.p2p_opp_ps
= tmp
;
4549 if (params
.p2p_opp_ps
&&
4550 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4554 if (!rdev
->ops
->change_bss
)
4557 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4558 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4562 err
= rdev_change_bss(rdev
, dev
, ¶ms
);
4568 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4569 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4570 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4571 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4572 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4573 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4574 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4577 static int parse_reg_rule(struct nlattr
*tb
[],
4578 struct ieee80211_reg_rule
*reg_rule
)
4580 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4581 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4583 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4585 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4587 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4589 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4591 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4594 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4596 freq_range
->start_freq_khz
=
4597 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4598 freq_range
->end_freq_khz
=
4599 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4600 freq_range
->max_bandwidth_khz
=
4601 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4603 power_rule
->max_eirp
=
4604 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4606 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4607 power_rule
->max_antenna_gain
=
4608 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4613 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4617 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4620 * You should only get this when cfg80211 hasn't yet initialized
4621 * completely when built-in to the kernel right between the time
4622 * window between nl80211_init() and regulatory_init(), if that is
4625 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4626 return -EINPROGRESS
;
4628 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4631 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4633 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4634 user_reg_hint_type
=
4635 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4637 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4639 switch (user_reg_hint_type
) {
4640 case NL80211_USER_REG_HINT_USER
:
4641 case NL80211_USER_REG_HINT_CELL_BASE
:
4647 r
= regulatory_hint_user(data
, user_reg_hint_type
);
4652 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4653 struct genl_info
*info
)
4655 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4656 struct net_device
*dev
= info
->user_ptr
[1];
4657 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4658 struct mesh_config cur_params
;
4661 struct nlattr
*pinfoattr
;
4662 struct sk_buff
*msg
;
4664 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4667 if (!rdev
->ops
->get_mesh_config
)
4671 /* If not connected, get default parameters */
4672 if (!wdev
->mesh_id_len
)
4673 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4675 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4681 /* Draw up a netlink message to send back */
4682 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4685 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4686 NL80211_CMD_GET_MESH_CONFIG
);
4689 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
4691 goto nla_put_failure
;
4692 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4693 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4694 cur_params
.dot11MeshRetryTimeout
) ||
4695 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4696 cur_params
.dot11MeshConfirmTimeout
) ||
4697 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4698 cur_params
.dot11MeshHoldingTimeout
) ||
4699 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4700 cur_params
.dot11MeshMaxPeerLinks
) ||
4701 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
4702 cur_params
.dot11MeshMaxRetries
) ||
4703 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
4704 cur_params
.dot11MeshTTL
) ||
4705 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
4706 cur_params
.element_ttl
) ||
4707 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4708 cur_params
.auto_open_plinks
) ||
4709 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4710 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
4711 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4712 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
4713 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4714 cur_params
.path_refresh_time
) ||
4715 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4716 cur_params
.min_discovery_timeout
) ||
4717 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4718 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
4719 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4720 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
4721 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4722 cur_params
.dot11MeshHWMPperrMinInterval
) ||
4723 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4724 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
4725 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4726 cur_params
.dot11MeshHWMPRootMode
) ||
4727 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4728 cur_params
.dot11MeshHWMPRannInterval
) ||
4729 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4730 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
4731 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
4732 cur_params
.dot11MeshForwarding
) ||
4733 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4734 cur_params
.rssi_threshold
) ||
4735 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
4736 cur_params
.ht_opmode
) ||
4737 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4738 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
4739 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4740 cur_params
.dot11MeshHWMProotInterval
) ||
4741 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4742 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
4743 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
4744 cur_params
.power_mode
) ||
4745 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
4746 cur_params
.dot11MeshAwakeWindowDuration
) ||
4747 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4748 cur_params
.plink_timeout
))
4749 goto nla_put_failure
;
4750 nla_nest_end(msg
, pinfoattr
);
4751 genlmsg_end(msg
, hdr
);
4752 return genlmsg_reply(msg
, info
);
4755 genlmsg_cancel(msg
, hdr
);
4761 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
4762 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
4763 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
4764 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
4765 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
4766 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
4767 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
4768 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
4769 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
4770 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
4771 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
4772 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
4773 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
4774 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
4775 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
4776 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
4777 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
4778 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
4779 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
4780 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
4781 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
4782 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
4783 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
4784 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
4785 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
4786 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
4787 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
4788 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
4789 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
4792 static const struct nla_policy
4793 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
4794 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
4795 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
4796 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
4797 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
4798 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
4799 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
4800 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
4801 .len
= IEEE80211_MAX_DATA_LEN
},
4802 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
4805 static int nl80211_parse_mesh_config(struct genl_info
*info
,
4806 struct mesh_config
*cfg
,
4809 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
4812 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
4815 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
4817 cfg->param = fn(tb[attr]); \
4818 mask |= (1 << (attr - 1)); \
4823 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
4825 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
4826 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
4827 nl80211_meshconf_params_policy
))
4830 /* This makes sure that there aren't more than 32 mesh config
4831 * parameters (otherwise our bitfield scheme would not work.) */
4832 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
4834 /* Fill in the params struct */
4835 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
4836 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4838 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
4839 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4841 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
4842 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4844 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
4845 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4847 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
4848 mask
, NL80211_MESHCONF_MAX_RETRIES
,
4850 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
4851 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
4852 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
4853 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
4855 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
4856 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4858 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
4860 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4862 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
4863 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4865 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
4866 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4868 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
4869 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4871 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
4873 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4875 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
4877 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4879 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
4881 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4883 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4884 dot11MeshHWMPnetDiameterTraversalTime
,
4886 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4888 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
4889 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4891 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
4892 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4894 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4895 dot11MeshGateAnnouncementProtocol
, 0, 1,
4896 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4898 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
4899 mask
, NL80211_MESHCONF_FORWARDING
,
4901 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
4902 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4904 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
4905 mask
, NL80211_MESHCONF_HT_OPMODE
,
4907 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
4909 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4911 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
4912 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4914 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4915 dot11MeshHWMPconfirmationInterval
,
4917 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4919 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
4920 NL80211_MESH_POWER_ACTIVE
,
4921 NL80211_MESH_POWER_MAX
,
4922 mask
, NL80211_MESHCONF_POWER_MODE
,
4924 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
4926 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
4927 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
4928 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4935 #undef FILL_IN_MESH_PARAM_IF_SET
4938 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
4939 struct mesh_setup
*setup
)
4941 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4942 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
4944 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
4946 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
4947 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
4948 nl80211_mesh_setup_params_policy
))
4951 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
4952 setup
->sync_method
=
4953 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
4954 IEEE80211_SYNC_METHOD_VENDOR
:
4955 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
4957 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
4958 setup
->path_sel_proto
=
4959 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
4960 IEEE80211_PATH_PROTOCOL_VENDOR
:
4961 IEEE80211_PATH_PROTOCOL_HWMP
;
4963 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
4964 setup
->path_metric
=
4965 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
4966 IEEE80211_PATH_METRIC_VENDOR
:
4967 IEEE80211_PATH_METRIC_AIRTIME
;
4970 if (tb
[NL80211_MESH_SETUP_IE
]) {
4971 struct nlattr
*ieattr
=
4972 tb
[NL80211_MESH_SETUP_IE
];
4973 if (!is_valid_ie_attr(ieattr
))
4975 setup
->ie
= nla_data(ieattr
);
4976 setup
->ie_len
= nla_len(ieattr
);
4978 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
4979 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
4981 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
4982 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
4983 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
4984 if (setup
->is_secure
)
4985 setup
->user_mpm
= true;
4987 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
4988 if (!setup
->user_mpm
)
4991 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
4997 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
4998 struct genl_info
*info
)
5000 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5001 struct net_device
*dev
= info
->user_ptr
[1];
5002 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5003 struct mesh_config cfg
;
5007 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
5010 if (!rdev
->ops
->update_mesh_config
)
5013 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
5018 if (!wdev
->mesh_id_len
)
5022 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
5029 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5031 const struct ieee80211_regdomain
*regdom
;
5032 struct sk_buff
*msg
;
5034 struct nlattr
*nl_reg_rules
;
5037 if (!cfg80211_regdomain
)
5040 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5044 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5045 NL80211_CMD_GET_REG
);
5049 if (reg_last_request_cell_base() &&
5050 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5051 NL80211_USER_REG_HINT_CELL_BASE
))
5052 goto nla_put_failure
;
5055 regdom
= rcu_dereference(cfg80211_regdomain
);
5057 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5058 (regdom
->dfs_region
&&
5059 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5060 goto nla_put_failure_rcu
;
5062 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5064 goto nla_put_failure_rcu
;
5066 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5067 struct nlattr
*nl_reg_rule
;
5068 const struct ieee80211_reg_rule
*reg_rule
;
5069 const struct ieee80211_freq_range
*freq_range
;
5070 const struct ieee80211_power_rule
*power_rule
;
5072 reg_rule
= ®dom
->reg_rules
[i
];
5073 freq_range
= ®_rule
->freq_range
;
5074 power_rule
= ®_rule
->power_rule
;
5076 nl_reg_rule
= nla_nest_start(msg
, i
);
5078 goto nla_put_failure_rcu
;
5080 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5082 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5083 freq_range
->start_freq_khz
) ||
5084 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5085 freq_range
->end_freq_khz
) ||
5086 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5087 freq_range
->max_bandwidth_khz
) ||
5088 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5089 power_rule
->max_antenna_gain
) ||
5090 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5091 power_rule
->max_eirp
))
5092 goto nla_put_failure_rcu
;
5094 nla_nest_end(msg
, nl_reg_rule
);
5098 nla_nest_end(msg
, nl_reg_rules
);
5100 genlmsg_end(msg
, hdr
);
5101 return genlmsg_reply(msg
, info
);
5103 nla_put_failure_rcu
:
5106 genlmsg_cancel(msg
, hdr
);
5112 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5114 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5115 struct nlattr
*nl_reg_rule
;
5116 char *alpha2
= NULL
;
5117 int rem_reg_rules
= 0, r
= 0;
5118 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5119 enum nl80211_dfs_regions dfs_region
= NL80211_DFS_UNSET
;
5120 struct ieee80211_regdomain
*rd
= NULL
;
5122 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5125 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5128 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5130 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5131 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5133 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5136 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5140 if (!reg_is_valid_request(alpha2
))
5143 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5144 num_rules
* sizeof(struct ieee80211_reg_rule
);
5146 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5150 rd
->n_reg_rules
= num_rules
;
5151 rd
->alpha2
[0] = alpha2
[0];
5152 rd
->alpha2
[1] = alpha2
[1];
5155 * Disable DFS master mode if the DFS region was
5156 * not supported or known on this kernel.
5158 if (reg_supported_dfs_region(dfs_region
))
5159 rd
->dfs_region
= dfs_region
;
5161 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5163 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5164 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5166 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5172 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5179 /* set_regdom took ownership */
5187 static int validate_scan_freqs(struct nlattr
*freqs
)
5189 struct nlattr
*attr1
, *attr2
;
5190 int n_channels
= 0, tmp1
, tmp2
;
5192 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5195 * Some hardware has a limited channel list for
5196 * scanning, and it is pretty much nonsensical
5197 * to scan for a channel twice, so disallow that
5198 * and don't require drivers to check that the
5199 * channel list they get isn't longer than what
5200 * they can scan, as long as they can scan all
5201 * the channels they registered at once.
5203 nla_for_each_nested(attr2
, freqs
, tmp2
)
5204 if (attr1
!= attr2
&&
5205 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5212 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5214 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5215 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5216 struct cfg80211_scan_request
*request
;
5217 struct nlattr
*attr
;
5218 struct wiphy
*wiphy
;
5219 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5222 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5225 wiphy
= &rdev
->wiphy
;
5227 if (!rdev
->ops
->scan
)
5230 if (rdev
->scan_req
) {
5235 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5236 n_channels
= validate_scan_freqs(
5237 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5243 enum ieee80211_band band
;
5246 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
5247 if (wiphy
->bands
[band
])
5248 n_channels
+= wiphy
->bands
[band
]->n_channels
;
5251 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5252 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5255 if (n_ssids
> wiphy
->max_scan_ssids
) {
5260 if (info
->attrs
[NL80211_ATTR_IE
])
5261 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5265 if (ie_len
> wiphy
->max_scan_ie_len
) {
5270 request
= kzalloc(sizeof(*request
)
5271 + sizeof(*request
->ssids
) * n_ssids
5272 + sizeof(*request
->channels
) * n_channels
5273 + ie_len
, GFP_KERNEL
);
5280 request
->ssids
= (void *)&request
->channels
[n_channels
];
5281 request
->n_ssids
= n_ssids
;
5284 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5286 request
->ie
= (void *)(request
->channels
+ n_channels
);
5290 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5291 /* user specified, bail out if channel not found */
5292 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5293 struct ieee80211_channel
*chan
;
5295 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5302 /* ignore disabled channels */
5303 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5306 request
->channels
[i
] = chan
;
5310 enum ieee80211_band band
;
5313 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5315 if (!wiphy
->bands
[band
])
5317 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5318 struct ieee80211_channel
*chan
;
5320 chan
= &wiphy
->bands
[band
]->channels
[j
];
5322 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5325 request
->channels
[i
] = chan
;
5336 request
->n_channels
= i
;
5339 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5340 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5341 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5345 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5346 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5351 if (info
->attrs
[NL80211_ATTR_IE
]) {
5352 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5353 memcpy((void *)request
->ie
,
5354 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5358 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5359 if (wiphy
->bands
[i
])
5361 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5363 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5364 nla_for_each_nested(attr
,
5365 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5367 enum ieee80211_band band
= nla_type(attr
);
5369 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5373 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5376 &request
->rates
[band
]);
5382 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5383 request
->flags
= nla_get_u32(
5384 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5385 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5386 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5393 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5395 request
->wdev
= wdev
;
5396 request
->wiphy
= &rdev
->wiphy
;
5397 request
->scan_start
= jiffies
;
5399 rdev
->scan_req
= request
;
5400 err
= rdev_scan(rdev
, request
);
5403 nl80211_send_scan_start(rdev
, wdev
);
5405 dev_hold(wdev
->netdev
);
5408 rdev
->scan_req
= NULL
;
5416 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
5417 struct genl_info
*info
)
5419 struct cfg80211_sched_scan_request
*request
;
5420 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5421 struct net_device
*dev
= info
->user_ptr
[1];
5422 struct nlattr
*attr
;
5423 struct wiphy
*wiphy
;
5424 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5426 enum ieee80211_band band
;
5428 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5430 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5431 !rdev
->ops
->sched_scan_start
)
5434 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5437 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5440 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5444 wiphy
= &rdev
->wiphy
;
5446 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5447 n_channels
= validate_scan_freqs(
5448 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5454 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
5455 if (wiphy
->bands
[band
])
5456 n_channels
+= wiphy
->bands
[band
]->n_channels
;
5459 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5460 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5464 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5467 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
])
5468 nla_for_each_nested(attr
,
5469 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5473 if (n_match_sets
> wiphy
->max_match_sets
)
5476 if (info
->attrs
[NL80211_ATTR_IE
])
5477 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5481 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5484 if (rdev
->sched_scan_req
) {
5489 request
= kzalloc(sizeof(*request
)
5490 + sizeof(*request
->ssids
) * n_ssids
5491 + sizeof(*request
->match_sets
) * n_match_sets
5492 + sizeof(*request
->channels
) * n_channels
5493 + ie_len
, GFP_KERNEL
);
5500 request
->ssids
= (void *)&request
->channels
[n_channels
];
5501 request
->n_ssids
= n_ssids
;
5504 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5506 request
->ie
= (void *)(request
->channels
+ n_channels
);
5511 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
5512 else if (request
->ssids
)
5513 request
->match_sets
=
5514 (void *)(request
->ssids
+ n_ssids
);
5516 request
->match_sets
=
5517 (void *)(request
->channels
+ n_channels
);
5519 request
->n_match_sets
= n_match_sets
;
5522 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5523 /* user specified, bail out if channel not found */
5524 nla_for_each_nested(attr
,
5525 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
5527 struct ieee80211_channel
*chan
;
5529 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5536 /* ignore disabled channels */
5537 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5540 request
->channels
[i
] = chan
;
5545 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5547 if (!wiphy
->bands
[band
])
5549 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5550 struct ieee80211_channel
*chan
;
5552 chan
= &wiphy
->bands
[band
]->channels
[j
];
5554 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5557 request
->channels
[i
] = chan
;
5568 request
->n_channels
= i
;
5571 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5572 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5574 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5578 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5579 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
5586 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5587 nla_for_each_nested(attr
,
5588 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5590 struct nlattr
*ssid
, *rssi
;
5592 nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5593 nla_data(attr
), nla_len(attr
),
5594 nl80211_match_policy
);
5595 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
5597 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
5601 memcpy(request
->match_sets
[i
].ssid
.ssid
,
5602 nla_data(ssid
), nla_len(ssid
));
5603 request
->match_sets
[i
].ssid
.ssid_len
=
5606 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5608 request
->rssi_thold
= nla_get_u32(rssi
);
5610 request
->rssi_thold
=
5611 NL80211_SCAN_RSSI_THOLD_OFF
;
5616 if (info
->attrs
[NL80211_ATTR_IE
]) {
5617 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5618 memcpy((void *)request
->ie
,
5619 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5623 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5624 request
->flags
= nla_get_u32(
5625 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5626 if ((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5627 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) {
5634 request
->wiphy
= &rdev
->wiphy
;
5635 request
->interval
= interval
;
5636 request
->scan_start
= jiffies
;
5638 err
= rdev_sched_scan_start(rdev
, dev
, request
);
5640 rdev
->sched_scan_req
= request
;
5641 nl80211_send_sched_scan(rdev
, dev
,
5642 NL80211_CMD_START_SCHED_SCAN
);
5652 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
5653 struct genl_info
*info
)
5655 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5657 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5658 !rdev
->ops
->sched_scan_stop
)
5661 return __cfg80211_stop_sched_scan(rdev
, false);
5664 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
5665 struct genl_info
*info
)
5667 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5668 struct net_device
*dev
= info
->user_ptr
[1];
5669 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5670 struct cfg80211_chan_def chandef
;
5671 enum nl80211_dfs_regions dfs_region
;
5674 dfs_region
= reg_get_dfs_region(wdev
->wiphy
);
5675 if (dfs_region
== NL80211_DFS_UNSET
)
5678 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
5682 if (netif_carrier_ok(dev
))
5685 if (wdev
->cac_started
)
5688 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
);
5695 if (!cfg80211_chandef_dfs_usable(wdev
->wiphy
, &chandef
))
5698 if (!rdev
->ops
->start_radar_detection
)
5701 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
5702 chandef
.chan
, CHAN_MODE_SHARED
,
5703 BIT(chandef
.width
));
5707 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
);
5709 wdev
->channel
= chandef
.chan
;
5710 wdev
->cac_started
= true;
5711 wdev
->cac_start_time
= jiffies
;
5716 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
5718 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5719 struct net_device
*dev
= info
->user_ptr
[1];
5720 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5721 struct cfg80211_csa_settings params
;
5722 /* csa_attrs is defined static to avoid waste of stack size - this
5723 * function is called under RTNL lock, so this should not be a problem.
5725 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
5726 u8 radar_detect_width
= 0;
5728 bool need_new_beacon
= false;
5730 if (!rdev
->ops
->channel_switch
||
5731 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
5734 switch (dev
->ieee80211_ptr
->iftype
) {
5735 case NL80211_IFTYPE_AP
:
5736 case NL80211_IFTYPE_P2P_GO
:
5737 need_new_beacon
= true;
5739 /* useless if AP is not running */
5740 if (!wdev
->beacon_interval
)
5743 case NL80211_IFTYPE_ADHOC
:
5744 case NL80211_IFTYPE_MESH_POINT
:
5750 memset(¶ms
, 0, sizeof(params
));
5752 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5753 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
5756 /* only important for AP, IBSS and mesh create IEs internally */
5757 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
5760 params
.count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
5762 if (!need_new_beacon
)
5765 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
5769 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
5770 info
->attrs
[NL80211_ATTR_CSA_IES
],
5775 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
5779 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
5782 params
.counter_offset_beacon
=
5783 nla_get_u16(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
5784 if (params
.counter_offset_beacon
>= params
.beacon_csa
.tail_len
)
5787 /* sanity check - counters should be the same */
5788 if (params
.beacon_csa
.tail
[params
.counter_offset_beacon
] !=
5792 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
5793 params
.counter_offset_presp
=
5794 nla_get_u16(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
5795 if (params
.counter_offset_presp
>=
5796 params
.beacon_csa
.probe_resp_len
)
5799 if (params
.beacon_csa
.probe_resp
[params
.counter_offset_presp
] !=
5805 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
5809 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
))
5812 if (dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_AP
||
5813 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
||
5814 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_ADHOC
) {
5815 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
5820 radar_detect_width
= BIT(params
.chandef
.width
);
5821 params
.radar_required
= true;
5825 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
5826 params
.chandef
.chan
,
5828 radar_detect_width
);
5832 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
5833 params
.block_tx
= true;
5836 err
= rdev_channel_switch(rdev
, dev
, ¶ms
);
5842 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
5844 struct cfg80211_registered_device
*rdev
,
5845 struct wireless_dev
*wdev
,
5846 struct cfg80211_internal_bss
*intbss
)
5848 struct cfg80211_bss
*res
= &intbss
->pub
;
5849 const struct cfg80211_bss_ies
*ies
;
5854 ASSERT_WDEV_LOCK(wdev
);
5856 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
5857 NL80211_CMD_NEW_SCAN_RESULTS
);
5861 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
5863 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
5864 goto nla_put_failure
;
5866 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
5867 goto nla_put_failure
;
5868 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
5869 goto nla_put_failure
;
5871 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
5873 goto nla_put_failure
;
5874 if ((!is_zero_ether_addr(res
->bssid
) &&
5875 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
5876 goto nla_put_failure
;
5879 ies
= rcu_dereference(res
->ies
);
5881 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
5882 goto fail_unlock_rcu
;
5884 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
5885 ies
->len
, ies
->data
))
5886 goto fail_unlock_rcu
;
5888 ies
= rcu_dereference(res
->beacon_ies
);
5890 if (!tsf
&& nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
5891 goto fail_unlock_rcu
;
5892 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
5893 ies
->len
, ies
->data
))
5894 goto fail_unlock_rcu
;
5898 if (res
->beacon_interval
&&
5899 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
5900 goto nla_put_failure
;
5901 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
5902 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
5903 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
5904 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
5905 jiffies_to_msecs(jiffies
- intbss
->ts
)))
5906 goto nla_put_failure
;
5908 switch (rdev
->wiphy
.signal_type
) {
5909 case CFG80211_SIGNAL_TYPE_MBM
:
5910 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
5911 goto nla_put_failure
;
5913 case CFG80211_SIGNAL_TYPE_UNSPEC
:
5914 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
5915 goto nla_put_failure
;
5921 switch (wdev
->iftype
) {
5922 case NL80211_IFTYPE_P2P_CLIENT
:
5923 case NL80211_IFTYPE_STATION
:
5924 if (intbss
== wdev
->current_bss
&&
5925 nla_put_u32(msg
, NL80211_BSS_STATUS
,
5926 NL80211_BSS_STATUS_ASSOCIATED
))
5927 goto nla_put_failure
;
5929 case NL80211_IFTYPE_ADHOC
:
5930 if (intbss
== wdev
->current_bss
&&
5931 nla_put_u32(msg
, NL80211_BSS_STATUS
,
5932 NL80211_BSS_STATUS_IBSS_JOINED
))
5933 goto nla_put_failure
;
5939 nla_nest_end(msg
, bss
);
5941 return genlmsg_end(msg
, hdr
);
5946 genlmsg_cancel(msg
, hdr
);
5950 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
5952 struct cfg80211_registered_device
*rdev
;
5953 struct cfg80211_internal_bss
*scan
;
5954 struct wireless_dev
*wdev
;
5955 int start
= cb
->args
[2], idx
= 0;
5958 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5963 spin_lock_bh(&rdev
->bss_lock
);
5964 cfg80211_bss_expire(rdev
);
5966 cb
->seq
= rdev
->bss_generation
;
5968 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
5971 if (nl80211_send_bss(skb
, cb
,
5972 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5973 rdev
, wdev
, scan
) < 0) {
5979 spin_unlock_bh(&rdev
->bss_lock
);
5983 nl80211_finish_wdev_dump(rdev
);
5988 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
5989 int flags
, struct net_device
*dev
,
5990 struct survey_info
*survey
)
5993 struct nlattr
*infoattr
;
5995 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
5996 NL80211_CMD_NEW_SURVEY_RESULTS
);
6000 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
6001 goto nla_put_failure
;
6003 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
6005 goto nla_put_failure
;
6007 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
6008 survey
->channel
->center_freq
))
6009 goto nla_put_failure
;
6011 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
6012 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
6013 goto nla_put_failure
;
6014 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
6015 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
6016 goto nla_put_failure
;
6017 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
6018 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
6019 survey
->channel_time
))
6020 goto nla_put_failure
;
6021 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
6022 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
6023 survey
->channel_time_busy
))
6024 goto nla_put_failure
;
6025 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
6026 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
6027 survey
->channel_time_ext_busy
))
6028 goto nla_put_failure
;
6029 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
6030 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
6031 survey
->channel_time_rx
))
6032 goto nla_put_failure
;
6033 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
6034 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
6035 survey
->channel_time_tx
))
6036 goto nla_put_failure
;
6038 nla_nest_end(msg
, infoattr
);
6040 return genlmsg_end(msg
, hdr
);
6043 genlmsg_cancel(msg
, hdr
);
6047 static int nl80211_dump_survey(struct sk_buff
*skb
,
6048 struct netlink_callback
*cb
)
6050 struct survey_info survey
;
6051 struct cfg80211_registered_device
*dev
;
6052 struct wireless_dev
*wdev
;
6053 int survey_idx
= cb
->args
[2];
6056 res
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
6060 if (!wdev
->netdev
) {
6065 if (!dev
->ops
->dump_survey
) {
6071 struct ieee80211_channel
*chan
;
6073 res
= rdev_dump_survey(dev
, wdev
->netdev
, survey_idx
, &survey
);
6079 /* Survey without a channel doesn't make sense */
6080 if (!survey
.channel
) {
6085 chan
= ieee80211_get_channel(&dev
->wiphy
,
6086 survey
.channel
->center_freq
);
6087 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
6092 if (nl80211_send_survey(skb
,
6093 NETLINK_CB(cb
->skb
).portid
,
6094 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6095 wdev
->netdev
, &survey
) < 0)
6101 cb
->args
[2] = survey_idx
;
6104 nl80211_finish_wdev_dump(dev
);
6108 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6110 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6111 NL80211_WPA_VERSION_2
));
6114 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6116 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6117 struct net_device
*dev
= info
->user_ptr
[1];
6118 struct ieee80211_channel
*chan
;
6119 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6120 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6121 enum nl80211_auth_type auth_type
;
6122 struct key_parse key
;
6123 bool local_state_change
;
6125 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6128 if (!info
->attrs
[NL80211_ATTR_MAC
])
6131 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6134 if (!info
->attrs
[NL80211_ATTR_SSID
])
6137 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6140 err
= nl80211_parse_key(info
, &key
);
6145 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6147 if (!key
.p
.key
|| !key
.p
.key_len
)
6149 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6150 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6151 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6152 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6164 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6165 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6174 if (!rdev
->ops
->auth
)
6177 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6178 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6181 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6182 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6183 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6184 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
6187 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6188 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6190 if (info
->attrs
[NL80211_ATTR_IE
]) {
6191 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6192 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6195 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6196 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6199 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6200 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6203 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6204 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6206 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6207 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6208 /* need to include at least Auth Transaction and Status Code */
6209 if (sae_data_len
< 4)
6213 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6216 * Since we no longer track auth state, ignore
6217 * requests to only change local state.
6219 if (local_state_change
)
6222 wdev_lock(dev
->ieee80211_ptr
);
6223 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6224 ssid
, ssid_len
, ie
, ie_len
,
6225 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6226 sae_data
, sae_data_len
);
6227 wdev_unlock(dev
->ieee80211_ptr
);
6231 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6232 struct genl_info
*info
,
6233 struct cfg80211_crypto_settings
*settings
,
6236 memset(settings
, 0, sizeof(*settings
));
6238 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6240 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6242 proto
= nla_get_u16(
6243 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6244 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6245 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6248 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6249 settings
->control_port_no_encrypt
= true;
6251 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6253 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6257 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6258 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6259 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6261 if (len
% sizeof(u32
))
6264 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6267 memcpy(settings
->ciphers_pairwise
, data
, len
);
6269 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6270 if (!cfg80211_supported_cipher_suite(
6272 settings
->ciphers_pairwise
[i
]))
6276 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6277 settings
->cipher_group
=
6278 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6279 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6280 settings
->cipher_group
))
6284 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6285 settings
->wpa_versions
=
6286 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6287 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6291 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6295 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6296 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6297 settings
->n_akm_suites
= len
/ sizeof(u32
);
6299 if (len
% sizeof(u32
))
6302 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6305 memcpy(settings
->akm_suites
, data
, len
);
6311 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6313 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6314 struct net_device
*dev
= info
->user_ptr
[1];
6315 struct ieee80211_channel
*chan
;
6316 struct cfg80211_assoc_request req
= {};
6317 const u8
*bssid
, *ssid
;
6318 int err
, ssid_len
= 0;
6320 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6323 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6324 !info
->attrs
[NL80211_ATTR_SSID
] ||
6325 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6328 if (!rdev
->ops
->assoc
)
6331 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6332 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6335 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6337 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6338 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6339 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
6342 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6343 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6345 if (info
->attrs
[NL80211_ATTR_IE
]) {
6346 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6347 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6350 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6351 enum nl80211_mfp mfp
=
6352 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6353 if (mfp
== NL80211_MFP_REQUIRED
)
6355 else if (mfp
!= NL80211_MFP_NO
)
6359 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6360 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6362 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6363 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6365 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6366 memcpy(&req
.ht_capa_mask
,
6367 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6368 sizeof(req
.ht_capa_mask
));
6370 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6371 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6373 memcpy(&req
.ht_capa
,
6374 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6375 sizeof(req
.ht_capa
));
6378 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6379 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6381 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6382 memcpy(&req
.vht_capa_mask
,
6383 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6384 sizeof(req
.vht_capa_mask
));
6386 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
6387 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6389 memcpy(&req
.vht_capa
,
6390 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
6391 sizeof(req
.vht_capa
));
6394 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
6396 wdev_lock(dev
->ieee80211_ptr
);
6397 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
6398 ssid
, ssid_len
, &req
);
6399 wdev_unlock(dev
->ieee80211_ptr
);
6405 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6407 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6408 struct net_device
*dev
= info
->user_ptr
[1];
6409 const u8
*ie
= NULL
, *bssid
;
6410 int ie_len
= 0, err
;
6412 bool local_state_change
;
6414 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6417 if (!info
->attrs
[NL80211_ATTR_MAC
])
6420 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6423 if (!rdev
->ops
->deauth
)
6426 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6427 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6430 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6432 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6433 if (reason_code
== 0) {
6434 /* Reason Code 0 is reserved */
6438 if (info
->attrs
[NL80211_ATTR_IE
]) {
6439 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6440 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6443 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6445 wdev_lock(dev
->ieee80211_ptr
);
6446 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6447 local_state_change
);
6448 wdev_unlock(dev
->ieee80211_ptr
);
6452 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
6454 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6455 struct net_device
*dev
= info
->user_ptr
[1];
6456 const u8
*ie
= NULL
, *bssid
;
6457 int ie_len
= 0, err
;
6459 bool local_state_change
;
6461 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6464 if (!info
->attrs
[NL80211_ATTR_MAC
])
6467 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6470 if (!rdev
->ops
->disassoc
)
6473 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6474 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6477 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6479 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6480 if (reason_code
== 0) {
6481 /* Reason Code 0 is reserved */
6485 if (info
->attrs
[NL80211_ATTR_IE
]) {
6486 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6487 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6490 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6492 wdev_lock(dev
->ieee80211_ptr
);
6493 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6494 local_state_change
);
6495 wdev_unlock(dev
->ieee80211_ptr
);
6500 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
6501 int mcast_rate
[IEEE80211_NUM_BANDS
],
6504 struct wiphy
*wiphy
= &rdev
->wiphy
;
6508 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6509 struct ieee80211_supported_band
*sband
;
6511 sband
= wiphy
->bands
[band
];
6515 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
6516 if (sband
->bitrates
[i
].bitrate
== rateval
) {
6517 mcast_rate
[band
] = i
+ 1;
6527 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6529 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6530 struct net_device
*dev
= info
->user_ptr
[1];
6531 struct cfg80211_ibss_params ibss
;
6532 struct wiphy
*wiphy
;
6533 struct cfg80211_cached_keys
*connkeys
= NULL
;
6536 memset(&ibss
, 0, sizeof(ibss
));
6538 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6541 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6542 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6545 ibss
.beacon_interval
= 100;
6547 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
6548 ibss
.beacon_interval
=
6549 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
6550 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
6554 if (!rdev
->ops
->join_ibss
)
6557 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6560 wiphy
= &rdev
->wiphy
;
6562 if (info
->attrs
[NL80211_ATTR_MAC
]) {
6563 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6565 if (!is_valid_ether_addr(ibss
.bssid
))
6568 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6569 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6571 if (info
->attrs
[NL80211_ATTR_IE
]) {
6572 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6573 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6576 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
6580 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
))
6583 switch (ibss
.chandef
.width
) {
6584 case NL80211_CHAN_WIDTH_5
:
6585 case NL80211_CHAN_WIDTH_10
:
6586 case NL80211_CHAN_WIDTH_20_NOHT
:
6588 case NL80211_CHAN_WIDTH_20
:
6589 case NL80211_CHAN_WIDTH_40
:
6590 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
6596 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
6597 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
6599 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
6601 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6603 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6604 struct ieee80211_supported_band
*sband
=
6605 wiphy
->bands
[ibss
.chandef
.chan
->band
];
6607 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
6613 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6614 memcpy(&ibss
.ht_capa_mask
,
6615 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6616 sizeof(ibss
.ht_capa_mask
));
6618 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6619 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6621 memcpy(&ibss
.ht_capa
,
6622 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6623 sizeof(ibss
.ht_capa
));
6626 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
6627 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
6628 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
6631 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
6634 connkeys
= nl80211_parse_connkeys(rdev
,
6635 info
->attrs
[NL80211_ATTR_KEYS
],
6637 if (IS_ERR(connkeys
))
6638 return PTR_ERR(connkeys
);
6640 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
6648 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
6650 ibss
.userspace_handles_dfs
=
6651 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
6653 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
6659 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6661 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6662 struct net_device
*dev
= info
->user_ptr
[1];
6664 if (!rdev
->ops
->leave_ibss
)
6667 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6670 return cfg80211_leave_ibss(rdev
, dev
, false);
6673 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
6675 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6676 struct net_device
*dev
= info
->user_ptr
[1];
6677 int mcast_rate
[IEEE80211_NUM_BANDS
];
6681 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
6682 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6685 if (!rdev
->ops
->set_mcast_rate
)
6688 memset(mcast_rate
, 0, sizeof(mcast_rate
));
6690 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
6693 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
6694 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
6697 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
6702 static struct sk_buff
*
6703 __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device
*rdev
,
6704 int approxlen
, u32 portid
, u32 seq
,
6705 enum nl80211_commands cmd
,
6706 enum nl80211_attrs attr
, gfp_t gfp
)
6708 struct sk_buff
*skb
;
6710 struct nlattr
*data
;
6712 skb
= nlmsg_new(approxlen
+ 100, gfp
);
6716 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, cmd
);
6722 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
6723 goto nla_put_failure
;
6724 data
= nla_nest_start(skb
, attr
);
6726 ((void **)skb
->cb
)[0] = rdev
;
6727 ((void **)skb
->cb
)[1] = hdr
;
6728 ((void **)skb
->cb
)[2] = data
;
6737 #ifdef CONFIG_NL80211_TESTMODE
6738 static struct genl_multicast_group nl80211_testmode_mcgrp
= {
6742 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
6744 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6745 struct wireless_dev
*wdev
=
6746 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
6749 if (!rdev
->ops
->testmode_cmd
)
6753 err
= PTR_ERR(wdev
);
6757 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
6761 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
6764 rdev
->cur_cmd_info
= info
;
6765 err
= rdev_testmode_cmd(rdev
, wdev
,
6766 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
6767 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
6768 rdev
->cur_cmd_info
= NULL
;
6773 static int nl80211_testmode_dump(struct sk_buff
*skb
,
6774 struct netlink_callback
*cb
)
6776 struct cfg80211_registered_device
*rdev
;
6786 * 0 is a valid index, but not valid for args[0],
6787 * so we need to offset by 1.
6789 phy_idx
= cb
->args
[0] - 1;
6791 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
6792 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
6797 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
6798 nl80211_fam
.attrbuf
);
6800 err
= PTR_ERR(rdev
);
6803 phy_idx
= rdev
->wiphy_idx
;
6806 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
6808 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
6812 data
= nla_data((void *)cb
->args
[1]);
6813 data_len
= nla_len((void *)cb
->args
[1]);
6816 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
6822 if (!rdev
->ops
->testmode_dump
) {
6828 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
6829 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6830 NL80211_CMD_TESTMODE
);
6831 struct nlattr
*tmdata
;
6836 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
6837 genlmsg_cancel(skb
, hdr
);
6841 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
6843 genlmsg_cancel(skb
, hdr
);
6846 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
6847 nla_nest_end(skb
, tmdata
);
6849 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
6850 genlmsg_cancel(skb
, hdr
);
6853 genlmsg_cancel(skb
, hdr
);
6857 genlmsg_end(skb
, hdr
);
6862 cb
->args
[0] = phy_idx
+ 1;
6868 struct sk_buff
*cfg80211_testmode_alloc_event_skb(struct wiphy
*wiphy
,
6869 int approxlen
, gfp_t gfp
)
6871 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
6873 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
, 0, 0,
6874 NL80211_CMD_TESTMODE
,
6875 NL80211_ATTR_TESTDATA
, gfp
);
6877 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb
);
6879 void cfg80211_testmode_event(struct sk_buff
*skb
, gfp_t gfp
)
6881 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
6882 void *hdr
= ((void **)skb
->cb
)[1];
6883 struct nlattr
*data
= ((void **)skb
->cb
)[2];
6885 nla_nest_end(skb
, data
);
6886 genlmsg_end(skb
, hdr
);
6887 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), skb
, 0,
6888 nl80211_testmode_mcgrp
.id
, gfp
);
6890 EXPORT_SYMBOL(cfg80211_testmode_event
);
6893 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
6895 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6896 struct net_device
*dev
= info
->user_ptr
[1];
6897 struct cfg80211_connect_params connect
;
6898 struct wiphy
*wiphy
;
6899 struct cfg80211_cached_keys
*connkeys
= NULL
;
6902 memset(&connect
, 0, sizeof(connect
));
6904 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6907 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6908 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6911 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
6913 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6914 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
6915 NL80211_CMD_CONNECT
))
6918 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
6920 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
6922 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
6923 NL80211_MAX_NR_CIPHER_SUITES
);
6927 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6928 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6931 wiphy
= &rdev
->wiphy
;
6933 connect
.bg_scan_period
= -1;
6934 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
6935 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
6936 connect
.bg_scan_period
=
6937 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
6940 if (info
->attrs
[NL80211_ATTR_MAC
])
6941 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6942 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6943 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6945 if (info
->attrs
[NL80211_ATTR_IE
]) {
6946 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6947 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6950 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6951 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6952 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
6953 connect
.mfp
!= NL80211_MFP_NO
)
6956 connect
.mfp
= NL80211_MFP_NO
;
6959 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
6961 ieee80211_get_channel(wiphy
,
6962 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6963 if (!connect
.channel
||
6964 connect
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
6968 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
6969 connkeys
= nl80211_parse_connkeys(rdev
,
6970 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
6971 if (IS_ERR(connkeys
))
6972 return PTR_ERR(connkeys
);
6975 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6976 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
6978 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6979 memcpy(&connect
.ht_capa_mask
,
6980 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6981 sizeof(connect
.ht_capa_mask
));
6983 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6984 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
6988 memcpy(&connect
.ht_capa
,
6989 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6990 sizeof(connect
.ht_capa
));
6993 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6994 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6996 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6997 memcpy(&connect
.vht_capa_mask
,
6998 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6999 sizeof(connect
.vht_capa_mask
));
7001 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
7002 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
7006 memcpy(&connect
.vht_capa
,
7007 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
7008 sizeof(connect
.vht_capa
));
7011 wdev_lock(dev
->ieee80211_ptr
);
7012 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
7013 wdev_unlock(dev
->ieee80211_ptr
);
7019 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7021 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7022 struct net_device
*dev
= info
->user_ptr
[1];
7026 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7027 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7029 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7034 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7035 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7038 wdev_lock(dev
->ieee80211_ptr
);
7039 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7040 wdev_unlock(dev
->ieee80211_ptr
);
7044 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7046 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7051 if (!info
->attrs
[NL80211_ATTR_PID
])
7054 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7056 net
= get_net_ns_by_pid(pid
);
7058 return PTR_ERR(net
);
7062 /* check if anything to do */
7063 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7064 err
= cfg80211_switch_netns(rdev
, net
);
7070 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7072 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7073 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7074 struct cfg80211_pmksa
*pmksa
) = NULL
;
7075 struct net_device
*dev
= info
->user_ptr
[1];
7076 struct cfg80211_pmksa pmksa
;
7078 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7080 if (!info
->attrs
[NL80211_ATTR_MAC
])
7083 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7086 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7087 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7089 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7090 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7093 switch (info
->genlhdr
->cmd
) {
7094 case NL80211_CMD_SET_PMKSA
:
7095 rdev_ops
= rdev
->ops
->set_pmksa
;
7097 case NL80211_CMD_DEL_PMKSA
:
7098 rdev_ops
= rdev
->ops
->del_pmksa
;
7108 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7111 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7113 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7114 struct net_device
*dev
= info
->user_ptr
[1];
7116 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7117 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7120 if (!rdev
->ops
->flush_pmksa
)
7123 return rdev_flush_pmksa(rdev
, dev
);
7126 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7128 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7129 struct net_device
*dev
= info
->user_ptr
[1];
7130 u8 action_code
, dialog_token
;
7134 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7135 !rdev
->ops
->tdls_mgmt
)
7138 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7139 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7140 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7141 !info
->attrs
[NL80211_ATTR_IE
] ||
7142 !info
->attrs
[NL80211_ATTR_MAC
])
7145 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7146 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7147 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7148 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7150 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7151 dialog_token
, status_code
,
7152 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7153 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7156 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7158 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7159 struct net_device
*dev
= info
->user_ptr
[1];
7160 enum nl80211_tdls_operation operation
;
7163 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7164 !rdev
->ops
->tdls_oper
)
7167 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7168 !info
->attrs
[NL80211_ATTR_MAC
])
7171 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7172 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7174 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7177 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7178 struct genl_info
*info
)
7180 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7181 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7182 struct cfg80211_chan_def chandef
;
7183 struct sk_buff
*msg
;
7189 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7190 !info
->attrs
[NL80211_ATTR_DURATION
])
7193 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7195 if (!rdev
->ops
->remain_on_channel
||
7196 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7200 * We should be on that channel for at least a minimum amount of
7201 * time (10ms) but no longer than the driver supports.
7203 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7204 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7207 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7211 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7215 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7216 NL80211_CMD_REMAIN_ON_CHANNEL
);
7222 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7228 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7229 goto nla_put_failure
;
7231 genlmsg_end(msg
, hdr
);
7233 return genlmsg_reply(msg
, info
);
7242 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7243 struct genl_info
*info
)
7245 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7246 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7249 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7252 if (!rdev
->ops
->cancel_remain_on_channel
)
7255 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7257 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7260 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7261 u8
*rates
, u8 rates_len
)
7266 for (i
= 0; i
< rates_len
; i
++) {
7267 int rate
= (rates
[i
] & 0x7f) * 5;
7269 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7270 struct ieee80211_rate
*srate
=
7271 &sband
->bitrates
[ridx
];
7272 if (rate
== srate
->bitrate
) {
7277 if (ridx
== sband
->n_bitrates
)
7278 return 0; /* rate not found */
7284 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7285 u8
*rates
, u8 rates_len
,
7286 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7290 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7292 for (i
= 0; i
< rates_len
; i
++) {
7295 ridx
= rates
[i
] / 8;
7296 rbit
= BIT(rates
[i
] % 8);
7298 /* check validity */
7299 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7302 /* check availability */
7303 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
7312 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
7313 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
7314 .len
= NL80211_MAX_SUPP_RATES
},
7315 [NL80211_TXRATE_HT
] = { .type
= NLA_BINARY
,
7316 .len
= NL80211_MAX_SUPP_HT_RATES
},
7319 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
7320 struct genl_info
*info
)
7322 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
7323 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7324 struct cfg80211_bitrate_mask mask
;
7326 struct net_device
*dev
= info
->user_ptr
[1];
7327 struct nlattr
*tx_rates
;
7328 struct ieee80211_supported_band
*sband
;
7330 if (!rdev
->ops
->set_bitrate_mask
)
7333 memset(&mask
, 0, sizeof(mask
));
7334 /* Default to all rates enabled */
7335 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
7336 sband
= rdev
->wiphy
.bands
[i
];
7341 mask
.control
[i
].legacy
= (1 << sband
->n_bitrates
) - 1;
7342 memcpy(mask
.control
[i
].ht_mcs
,
7343 sband
->ht_cap
.mcs
.rx_mask
,
7344 sizeof(mask
.control
[i
].ht_mcs
));
7347 /* if no rates are given set it back to the defaults */
7348 if (!info
->attrs
[NL80211_ATTR_TX_RATES
])
7352 * The nested attribute uses enum nl80211_band as the index. This maps
7353 * directly to the enum ieee80211_band values used in cfg80211.
7355 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
7356 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
)
7358 enum ieee80211_band band
= nla_type(tx_rates
);
7359 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
7361 sband
= rdev
->wiphy
.bands
[band
];
7364 nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
7365 nla_len(tx_rates
), nl80211_txattr_policy
);
7366 if (tb
[NL80211_TXRATE_LEGACY
]) {
7367 mask
.control
[band
].legacy
= rateset_to_mask(
7369 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
7370 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
7371 if ((mask
.control
[band
].legacy
== 0) &&
7372 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
7375 if (tb
[NL80211_TXRATE_HT
]) {
7376 if (!ht_rateset_to_mask(
7378 nla_data(tb
[NL80211_TXRATE_HT
]),
7379 nla_len(tb
[NL80211_TXRATE_HT
]),
7380 mask
.control
[band
].ht_mcs
))
7384 if (mask
.control
[band
].legacy
== 0) {
7385 /* don't allow empty legacy rates if HT
7386 * is not even supported. */
7387 if (!rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
)
7390 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
7391 if (mask
.control
[band
].ht_mcs
[i
])
7394 /* legacy and mcs rates may not be both empty */
7395 if (i
== IEEE80211_HT_MCS_MASK_LEN
)
7401 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
7404 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7406 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7407 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7408 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
7410 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
7413 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
7414 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
7416 switch (wdev
->iftype
) {
7417 case NL80211_IFTYPE_STATION
:
7418 case NL80211_IFTYPE_ADHOC
:
7419 case NL80211_IFTYPE_P2P_CLIENT
:
7420 case NL80211_IFTYPE_AP
:
7421 case NL80211_IFTYPE_AP_VLAN
:
7422 case NL80211_IFTYPE_MESH_POINT
:
7423 case NL80211_IFTYPE_P2P_GO
:
7424 case NL80211_IFTYPE_P2P_DEVICE
:
7430 /* not much point in registering if we can't reply */
7431 if (!rdev
->ops
->mgmt_tx
)
7434 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
7435 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
7436 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
7439 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7441 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7442 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7443 struct cfg80211_chan_def chandef
;
7447 struct sk_buff
*msg
= NULL
;
7448 struct cfg80211_mgmt_tx_params params
= {
7449 .dont_wait_for_ack
=
7450 info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
],
7453 if (!info
->attrs
[NL80211_ATTR_FRAME
])
7456 if (!rdev
->ops
->mgmt_tx
)
7459 switch (wdev
->iftype
) {
7460 case NL80211_IFTYPE_P2P_DEVICE
:
7461 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7463 case NL80211_IFTYPE_STATION
:
7464 case NL80211_IFTYPE_ADHOC
:
7465 case NL80211_IFTYPE_P2P_CLIENT
:
7466 case NL80211_IFTYPE_AP
:
7467 case NL80211_IFTYPE_AP_VLAN
:
7468 case NL80211_IFTYPE_MESH_POINT
:
7469 case NL80211_IFTYPE_P2P_GO
:
7475 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
7476 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7478 params
.wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7481 * We should wait on the channel for at least a minimum amount
7482 * of time (10ms) but no longer than the driver supports.
7484 if (params
.wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7485 params
.wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
7490 params
.offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
7492 if (params
.offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7495 params
.no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
7497 /* get the channel if any has been specified, otherwise pass NULL to
7498 * the driver. The latter will use the current one
7500 chandef
.chan
= NULL
;
7501 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7502 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7507 if (!chandef
.chan
&& params
.offchan
)
7510 if (!params
.dont_wait_for_ack
) {
7511 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7515 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7523 params
.buf
= nla_data(info
->attrs
[NL80211_ATTR_FRAME
]);
7524 params
.len
= nla_len(info
->attrs
[NL80211_ATTR_FRAME
]);
7525 params
.chan
= chandef
.chan
;
7526 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, ¶ms
, &cookie
);
7531 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7532 goto nla_put_failure
;
7534 genlmsg_end(msg
, hdr
);
7535 return genlmsg_reply(msg
, info
);
7547 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
7549 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7550 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7553 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7556 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
7559 switch (wdev
->iftype
) {
7560 case NL80211_IFTYPE_STATION
:
7561 case NL80211_IFTYPE_ADHOC
:
7562 case NL80211_IFTYPE_P2P_CLIENT
:
7563 case NL80211_IFTYPE_AP
:
7564 case NL80211_IFTYPE_AP_VLAN
:
7565 case NL80211_IFTYPE_P2P_GO
:
7566 case NL80211_IFTYPE_P2P_DEVICE
:
7572 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7574 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
7577 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7579 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7580 struct wireless_dev
*wdev
;
7581 struct net_device
*dev
= info
->user_ptr
[1];
7586 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
7589 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
7591 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
7594 wdev
= dev
->ieee80211_ptr
;
7596 if (!rdev
->ops
->set_power_mgmt
)
7599 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
7601 if (state
== wdev
->ps
)
7604 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
7610 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7612 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7613 enum nl80211_ps_state ps_state
;
7614 struct wireless_dev
*wdev
;
7615 struct net_device
*dev
= info
->user_ptr
[1];
7616 struct sk_buff
*msg
;
7620 wdev
= dev
->ieee80211_ptr
;
7622 if (!rdev
->ops
->set_power_mgmt
)
7625 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7629 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7630 NL80211_CMD_GET_POWER_SAVE
);
7637 ps_state
= NL80211_PS_ENABLED
;
7639 ps_state
= NL80211_PS_DISABLED
;
7641 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
7642 goto nla_put_failure
;
7644 genlmsg_end(msg
, hdr
);
7645 return genlmsg_reply(msg
, info
);
7654 static struct nla_policy
7655 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] __read_mostly
= {
7656 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
7657 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
7658 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
7659 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
7660 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
7661 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
7664 static int nl80211_set_cqm_txe(struct genl_info
*info
,
7665 u32 rate
, u32 pkts
, u32 intvl
)
7667 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7668 struct net_device
*dev
= info
->user_ptr
[1];
7669 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7671 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
7674 if (!rdev
->ops
->set_cqm_txe_config
)
7677 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
7678 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7681 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
7684 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
7685 s32 threshold
, u32 hysteresis
)
7687 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7688 struct net_device
*dev
= info
->user_ptr
[1];
7689 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7694 /* disabling - hysteresis should also be zero then */
7698 if (!rdev
->ops
->set_cqm_rssi_config
)
7701 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
7702 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7705 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
7708 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
7710 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
7714 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
7718 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
7719 nl80211_attr_cqm_policy
);
7723 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
7724 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
7725 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
7726 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
7728 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
7731 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
7732 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
7733 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
7734 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
7735 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
7736 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
7738 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
7744 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
7746 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7747 struct net_device
*dev
= info
->user_ptr
[1];
7748 struct mesh_config cfg
;
7749 struct mesh_setup setup
;
7752 /* start with default */
7753 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
7754 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
7756 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
7757 /* and parse parameters if given */
7758 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
7763 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
7764 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
7767 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
7768 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
7770 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7771 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
7772 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7775 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7776 setup
.beacon_interval
=
7777 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7778 if (setup
.beacon_interval
< 10 ||
7779 setup
.beacon_interval
> 10000)
7783 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
7785 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
7786 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
7790 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
7791 /* parse additional setup parameters if given */
7792 err
= nl80211_parse_mesh_setup(info
, &setup
);
7798 cfg
.auto_open_plinks
= false;
7800 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7801 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
7805 /* cfg80211_join_mesh() will sort it out */
7806 setup
.chandef
.chan
= NULL
;
7809 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7810 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7812 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7813 struct ieee80211_supported_band
*sband
;
7815 if (!setup
.chandef
.chan
)
7818 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
7820 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7821 &setup
.basic_rates
);
7826 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
7829 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
7831 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7832 struct net_device
*dev
= info
->user_ptr
[1];
7834 return cfg80211_leave_mesh(rdev
, dev
);
7838 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
7839 struct cfg80211_registered_device
*rdev
)
7841 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
7842 struct nlattr
*nl_pats
, *nl_pat
;
7845 if (!wowlan
->n_patterns
)
7848 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
7852 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
7853 nl_pat
= nla_nest_start(msg
, i
+ 1);
7856 pat_len
= wowlan
->patterns
[i
].pattern_len
;
7857 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
7858 wowlan
->patterns
[i
].mask
) ||
7859 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
7860 wowlan
->patterns
[i
].pattern
) ||
7861 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
7862 wowlan
->patterns
[i
].pkt_offset
))
7864 nla_nest_end(msg
, nl_pat
);
7866 nla_nest_end(msg
, nl_pats
);
7871 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
7872 struct cfg80211_wowlan_tcp
*tcp
)
7874 struct nlattr
*nl_tcp
;
7879 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
7883 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
7884 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
7885 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
7886 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
7887 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
7888 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
7889 tcp
->payload_len
, tcp
->payload
) ||
7890 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
7891 tcp
->data_interval
) ||
7892 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
7893 tcp
->wake_len
, tcp
->wake_data
) ||
7894 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
7895 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
7898 if (tcp
->payload_seq
.len
&&
7899 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
7900 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
7903 if (tcp
->payload_tok
.len
&&
7904 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
7905 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
7909 nla_nest_end(msg
, nl_tcp
);
7914 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
7916 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7917 struct sk_buff
*msg
;
7919 u32 size
= NLMSG_DEFAULT_SIZE
;
7921 if (!rdev
->wiphy
.wowlan
)
7924 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
7925 /* adjust size to have room for all the data */
7926 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
7927 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
7928 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
7929 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
7932 msg
= nlmsg_new(size
, GFP_KERNEL
);
7936 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7937 NL80211_CMD_GET_WOWLAN
);
7939 goto nla_put_failure
;
7941 if (rdev
->wiphy
.wowlan_config
) {
7942 struct nlattr
*nl_wowlan
;
7944 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
7946 goto nla_put_failure
;
7948 if ((rdev
->wiphy
.wowlan_config
->any
&&
7949 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
7950 (rdev
->wiphy
.wowlan_config
->disconnect
&&
7951 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
7952 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
7953 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
7954 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
7955 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
7956 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
7957 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
7958 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
7959 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
7960 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
7961 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
7962 goto nla_put_failure
;
7964 if (nl80211_send_wowlan_patterns(msg
, rdev
))
7965 goto nla_put_failure
;
7967 if (nl80211_send_wowlan_tcp(msg
,
7968 rdev
->wiphy
.wowlan_config
->tcp
))
7969 goto nla_put_failure
;
7971 nla_nest_end(msg
, nl_wowlan
);
7974 genlmsg_end(msg
, hdr
);
7975 return genlmsg_reply(msg
, info
);
7982 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
7983 struct nlattr
*attr
,
7984 struct cfg80211_wowlan
*trig
)
7986 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
7987 struct cfg80211_wowlan_tcp
*cfg
;
7988 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
7989 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
7991 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
7994 if (!rdev
->wiphy
.wowlan
->tcp
)
7997 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
7998 nla_data(attr
), nla_len(attr
),
7999 nl80211_wowlan_tcp_policy
);
8003 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
8004 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
8005 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
8006 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
8007 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
8008 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
8009 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
8010 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
8013 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
8014 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8017 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8018 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8019 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8022 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8023 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8026 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8027 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8030 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8031 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8033 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8034 tokens_size
= tokln
- sizeof(*tok
);
8036 if (!tok
->len
|| tokens_size
% tok
->len
)
8038 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8040 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8042 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8044 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8046 if (tok
->offset
+ tok
->len
> data_size
)
8050 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8051 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8052 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8054 if (seq
->len
== 0 || seq
->len
> 4)
8056 if (seq
->len
+ seq
->offset
> data_size
)
8060 size
= sizeof(*cfg
);
8062 size
+= wake_size
+ wake_mask_size
;
8063 size
+= tokens_size
;
8065 cfg
= kzalloc(size
, GFP_KERNEL
);
8068 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8069 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8070 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8072 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8073 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8077 /* allocate a socket and port for it and use it */
8078 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8079 IPPROTO_TCP
, &cfg
->sock
, 1);
8084 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8085 sock_release(cfg
->sock
);
8089 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8095 cfg
->src_port
= port
;
8098 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8099 cfg
->payload_len
= data_size
;
8100 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8101 memcpy((void *)cfg
->payload
,
8102 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8105 cfg
->payload_seq
= *seq
;
8106 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8107 cfg
->wake_len
= wake_size
;
8108 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8109 memcpy((void *)cfg
->wake_data
,
8110 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8112 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8113 data_size
+ wake_size
;
8114 memcpy((void *)cfg
->wake_mask
,
8115 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8118 cfg
->tokens_size
= tokens_size
;
8119 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8127 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8129 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8130 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8131 struct cfg80211_wowlan new_triggers
= {};
8132 struct cfg80211_wowlan
*ntrig
;
8133 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8135 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8140 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8141 cfg80211_rdev_free_wowlan(rdev
);
8142 rdev
->wiphy
.wowlan_config
= NULL
;
8146 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
8147 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8148 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8149 nl80211_wowlan_policy
);
8153 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
8154 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
8156 new_triggers
.any
= true;
8159 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
8160 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
8162 new_triggers
.disconnect
= true;
8165 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
8166 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
8168 new_triggers
.magic_pkt
= true;
8171 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
8174 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
8175 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
8177 new_triggers
.gtk_rekey_failure
= true;
8180 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
8181 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
8183 new_triggers
.eap_identity_req
= true;
8186 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
8187 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
8189 new_triggers
.four_way_handshake
= true;
8192 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
8193 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
8195 new_triggers
.rfkill_release
= true;
8198 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
8201 int rem
, pat_len
, mask_len
, pkt_offset
;
8202 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8204 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8207 if (n_patterns
> wowlan
->n_patterns
)
8210 new_triggers
.patterns
= kcalloc(n_patterns
,
8211 sizeof(new_triggers
.patterns
[0]),
8213 if (!new_triggers
.patterns
)
8216 new_triggers
.n_patterns
= n_patterns
;
8219 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8221 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8222 nla_len(pat
), NULL
);
8224 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8225 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8227 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8228 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8229 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8231 if (pat_len
> wowlan
->pattern_max_len
||
8232 pat_len
< wowlan
->pattern_min_len
)
8235 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8238 pkt_offset
= nla_get_u32(
8239 pat_tb
[NL80211_PKTPAT_OFFSET
]);
8240 if (pkt_offset
> wowlan
->max_pkt_offset
)
8242 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
8244 new_triggers
.patterns
[i
].mask
=
8245 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8246 if (!new_triggers
.patterns
[i
].mask
) {
8250 new_triggers
.patterns
[i
].pattern
=
8251 new_triggers
.patterns
[i
].mask
+ mask_len
;
8252 memcpy(new_triggers
.patterns
[i
].mask
,
8253 nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8255 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
8256 memcpy(new_triggers
.patterns
[i
].pattern
,
8257 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8263 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
8264 err
= nl80211_parse_wowlan_tcp(
8265 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
8271 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
8276 cfg80211_rdev_free_wowlan(rdev
);
8277 rdev
->wiphy
.wowlan_config
= ntrig
;
8280 if (rdev
->ops
->set_wakeup
&&
8281 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
8282 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
8286 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
8287 kfree(new_triggers
.patterns
[i
].mask
);
8288 kfree(new_triggers
.patterns
);
8289 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
8290 sock_release(new_triggers
.tcp
->sock
);
8291 kfree(new_triggers
.tcp
);
8296 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
8297 struct cfg80211_registered_device
*rdev
)
8299 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
8301 struct cfg80211_coalesce_rules
*rule
;
8303 if (!rdev
->coalesce
->n_rules
)
8306 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
8310 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
8311 nl_rule
= nla_nest_start(msg
, i
+ 1);
8315 rule
= &rdev
->coalesce
->rules
[i
];
8316 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
8320 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
8324 nl_pats
= nla_nest_start(msg
,
8325 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
8329 for (j
= 0; j
< rule
->n_patterns
; j
++) {
8330 nl_pat
= nla_nest_start(msg
, j
+ 1);
8333 pat_len
= rule
->patterns
[j
].pattern_len
;
8334 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
8335 DIV_ROUND_UP(pat_len
, 8),
8336 rule
->patterns
[j
].mask
) ||
8337 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8338 rule
->patterns
[j
].pattern
) ||
8339 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8340 rule
->patterns
[j
].pkt_offset
))
8342 nla_nest_end(msg
, nl_pat
);
8344 nla_nest_end(msg
, nl_pats
);
8345 nla_nest_end(msg
, nl_rule
);
8347 nla_nest_end(msg
, nl_rules
);
8352 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8354 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8355 struct sk_buff
*msg
;
8358 if (!rdev
->wiphy
.coalesce
)
8361 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8365 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8366 NL80211_CMD_GET_COALESCE
);
8368 goto nla_put_failure
;
8370 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
8371 goto nla_put_failure
;
8373 genlmsg_end(msg
, hdr
);
8374 return genlmsg_reply(msg
, info
);
8381 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
8383 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
8385 struct cfg80211_coalesce_rules
*rule
;
8390 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
8391 rule
= &coalesce
->rules
[i
];
8392 for (j
= 0; j
< rule
->n_patterns
; j
++)
8393 kfree(rule
->patterns
[j
].mask
);
8394 kfree(rule
->patterns
);
8396 kfree(coalesce
->rules
);
8398 rdev
->coalesce
= NULL
;
8401 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
8402 struct nlattr
*rule
,
8403 struct cfg80211_coalesce_rules
*new_rule
)
8406 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8407 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
8408 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
8409 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8411 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
8412 nla_len(rule
), nl80211_coalesce_policy
);
8416 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
8418 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
8419 if (new_rule
->delay
> coalesce
->max_delay
)
8422 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
8423 new_rule
->condition
=
8424 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
8425 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
8426 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
8429 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
8432 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8435 if (n_patterns
> coalesce
->n_patterns
)
8438 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
8440 if (!new_rule
->patterns
)
8443 new_rule
->n_patterns
= n_patterns
;
8446 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8448 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8449 nla_len(pat
), NULL
);
8450 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8451 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8453 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8454 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8455 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8457 if (pat_len
> coalesce
->pattern_max_len
||
8458 pat_len
< coalesce
->pattern_min_len
)
8461 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8464 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
8465 if (pkt_offset
> coalesce
->max_pkt_offset
)
8467 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
8469 new_rule
->patterns
[i
].mask
=
8470 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8471 if (!new_rule
->patterns
[i
].mask
)
8473 new_rule
->patterns
[i
].pattern
=
8474 new_rule
->patterns
[i
].mask
+ mask_len
;
8475 memcpy(new_rule
->patterns
[i
].mask
,
8476 nla_data(pat_tb
[NL80211_PKTPAT_MASK
]), mask_len
);
8477 new_rule
->patterns
[i
].pattern_len
= pat_len
;
8478 memcpy(new_rule
->patterns
[i
].pattern
,
8479 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]), pat_len
);
8486 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8488 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8489 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8490 struct cfg80211_coalesce new_coalesce
= {};
8491 struct cfg80211_coalesce
*n_coalesce
;
8492 int err
, rem_rule
, n_rules
= 0, i
, j
;
8493 struct nlattr
*rule
;
8494 struct cfg80211_coalesce_rules
*tmp_rule
;
8496 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
8499 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
8500 cfg80211_rdev_free_coalesce(rdev
);
8501 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
8505 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8508 if (n_rules
> coalesce
->n_rules
)
8511 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
8513 if (!new_coalesce
.rules
)
8516 new_coalesce
.n_rules
= n_rules
;
8519 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8521 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
8522 &new_coalesce
.rules
[i
]);
8529 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
8533 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
8538 cfg80211_rdev_free_coalesce(rdev
);
8539 rdev
->coalesce
= n_coalesce
;
8543 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
8544 tmp_rule
= &new_coalesce
.rules
[i
];
8545 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
8546 kfree(tmp_rule
->patterns
[j
].mask
);
8547 kfree(tmp_rule
->patterns
);
8549 kfree(new_coalesce
.rules
);
8554 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
8556 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8557 struct net_device
*dev
= info
->user_ptr
[1];
8558 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8559 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
8560 struct cfg80211_gtk_rekey_data rekey_data
;
8563 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
8566 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
8567 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8568 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8569 nl80211_rekey_policy
);
8573 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
8575 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
8577 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
8580 memcpy(rekey_data
.kek
, nla_data(tb
[NL80211_REKEY_DATA_KEK
]),
8582 memcpy(rekey_data
.kck
, nla_data(tb
[NL80211_REKEY_DATA_KCK
]),
8584 memcpy(rekey_data
.replay_ctr
,
8585 nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]),
8586 NL80211_REPLAY_CTR_LEN
);
8589 if (!wdev
->current_bss
) {
8594 if (!rdev
->ops
->set_rekey_data
) {
8599 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
8605 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
8606 struct genl_info
*info
)
8608 struct net_device
*dev
= info
->user_ptr
[1];
8609 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8611 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8612 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8615 if (wdev
->ap_unexpected_nlportid
)
8618 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
8622 static int nl80211_probe_client(struct sk_buff
*skb
,
8623 struct genl_info
*info
)
8625 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8626 struct net_device
*dev
= info
->user_ptr
[1];
8627 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8628 struct sk_buff
*msg
;
8634 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8635 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8638 if (!info
->attrs
[NL80211_ATTR_MAC
])
8641 if (!rdev
->ops
->probe_client
)
8644 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8648 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8649 NL80211_CMD_PROBE_CLIENT
);
8655 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8657 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
8661 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8662 goto nla_put_failure
;
8664 genlmsg_end(msg
, hdr
);
8666 return genlmsg_reply(msg
, info
);
8675 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
8677 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8678 struct cfg80211_beacon_registration
*reg
, *nreg
;
8681 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
8684 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
8688 /* First, check if already registered. */
8689 spin_lock_bh(&rdev
->beacon_registrations_lock
);
8690 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
8691 if (reg
->nlportid
== info
->snd_portid
) {
8696 /* Add it to the list */
8697 nreg
->nlportid
= info
->snd_portid
;
8698 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
8700 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
8704 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
8709 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
8711 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8712 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8715 if (!rdev
->ops
->start_p2p_device
)
8718 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
8721 if (wdev
->p2p_started
)
8724 err
= cfg80211_can_add_interface(rdev
, wdev
->iftype
);
8728 err
= rdev_start_p2p_device(rdev
, wdev
);
8732 wdev
->p2p_started
= true;
8738 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
8740 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8741 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8743 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
8746 if (!rdev
->ops
->stop_p2p_device
)
8749 cfg80211_stop_p2p_device(rdev
, wdev
);
8754 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
8755 struct genl_info
*info
)
8758 struct sk_buff
*msg
;
8760 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8764 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8765 NL80211_CMD_GET_PROTOCOL_FEATURES
);
8767 goto nla_put_failure
;
8769 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
8770 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
8771 goto nla_put_failure
;
8773 genlmsg_end(msg
, hdr
);
8774 return genlmsg_reply(msg
, info
);
8781 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
8783 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8784 struct cfg80211_update_ft_ies_params ft_params
;
8785 struct net_device
*dev
= info
->user_ptr
[1];
8787 if (!rdev
->ops
->update_ft_ies
)
8790 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
8791 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8794 memset(&ft_params
, 0, sizeof(ft_params
));
8795 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
8796 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8797 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8799 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
8802 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
8803 struct genl_info
*info
)
8805 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8806 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8807 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
8811 if (!rdev
->ops
->crit_proto_start
)
8814 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
8817 if (rdev
->crit_proto_nlportid
)
8820 /* determine protocol if provided */
8821 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
8822 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
8824 if (proto
>= NUM_NL80211_CRIT_PROTO
)
8827 /* timeout must be provided */
8828 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
8832 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
8834 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
8837 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
8839 rdev
->crit_proto_nlportid
= info
->snd_portid
;
8844 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
8845 struct genl_info
*info
)
8847 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8848 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8850 if (!rdev
->ops
->crit_proto_stop
)
8853 if (rdev
->crit_proto_nlportid
) {
8854 rdev
->crit_proto_nlportid
= 0;
8855 rdev_crit_proto_stop(rdev
, wdev
);
8860 static int nl80211_vendor_cmd(struct sk_buff
*skb
, struct genl_info
*info
)
8862 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8863 struct wireless_dev
*wdev
=
8864 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
8868 if (!rdev
->wiphy
.vendor_commands
)
8872 err
= PTR_ERR(wdev
);
8876 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
8880 if (!info
->attrs
[NL80211_ATTR_VENDOR_ID
] ||
8881 !info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
])
8884 vid
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_ID
]);
8885 subcmd
= nla_get_u32(info
->attrs
[NL80211_ATTR_VENDOR_SUBCMD
]);
8886 for (i
= 0; i
< rdev
->wiphy
.n_vendor_commands
; i
++) {
8887 const struct wiphy_vendor_command
*vcmd
;
8891 vcmd
= &rdev
->wiphy
.vendor_commands
[i
];
8893 if (vcmd
->info
.vendor_id
!= vid
|| vcmd
->info
.subcmd
!= subcmd
)
8896 if (vcmd
->flags
& (WIPHY_VENDOR_CMD_NEED_WDEV
|
8897 WIPHY_VENDOR_CMD_NEED_NETDEV
)) {
8900 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_NETDEV
&&
8904 if (vcmd
->flags
& WIPHY_VENDOR_CMD_NEED_RUNNING
) {
8906 !netif_running(wdev
->netdev
))
8908 if (!wdev
->netdev
&& !wdev
->p2p_started
)
8915 if (info
->attrs
[NL80211_ATTR_VENDOR_DATA
]) {
8916 data
= nla_data(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
8917 len
= nla_len(info
->attrs
[NL80211_ATTR_VENDOR_DATA
]);
8920 rdev
->cur_cmd_info
= info
;
8921 err
= rdev
->wiphy
.vendor_commands
[i
].doit(&rdev
->wiphy
, wdev
,
8923 rdev
->cur_cmd_info
= NULL
;
8930 struct sk_buff
*__cfg80211_alloc_reply_skb(struct wiphy
*wiphy
,
8931 enum nl80211_commands cmd
,
8932 enum nl80211_attrs attr
,
8935 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
8937 if (WARN_ON(!rdev
->cur_cmd_info
))
8940 return __cfg80211_alloc_vendor_skb(rdev
, approxlen
,
8941 rdev
->cur_cmd_info
->snd_portid
,
8942 rdev
->cur_cmd_info
->snd_seq
,
8943 cmd
, attr
, GFP_KERNEL
);
8945 EXPORT_SYMBOL(__cfg80211_alloc_reply_skb
);
8947 int cfg80211_vendor_cmd_reply(struct sk_buff
*skb
)
8949 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
8950 void *hdr
= ((void **)skb
->cb
)[1];
8951 struct nlattr
*data
= ((void **)skb
->cb
)[2];
8953 if (WARN_ON(!rdev
->cur_cmd_info
)) {
8958 nla_nest_end(skb
, data
);
8959 genlmsg_end(skb
, hdr
);
8960 return genlmsg_reply(skb
, rdev
->cur_cmd_info
);
8962 EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply
);
8965 #define NL80211_FLAG_NEED_WIPHY 0x01
8966 #define NL80211_FLAG_NEED_NETDEV 0x02
8967 #define NL80211_FLAG_NEED_RTNL 0x04
8968 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
8969 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
8970 NL80211_FLAG_CHECK_NETDEV_UP)
8971 #define NL80211_FLAG_NEED_WDEV 0x10
8972 /* If a netdev is associated, it must be UP, P2P must be started */
8973 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
8974 NL80211_FLAG_CHECK_NETDEV_UP)
8976 static int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
8977 struct genl_info
*info
)
8979 struct cfg80211_registered_device
*rdev
;
8980 struct wireless_dev
*wdev
;
8981 struct net_device
*dev
;
8982 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
8987 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
8988 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
8992 return PTR_ERR(rdev
);
8994 info
->user_ptr
[0] = rdev
;
8995 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
8996 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
8999 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
9004 return PTR_ERR(wdev
);
9008 rdev
= wiphy_to_dev(wdev
->wiphy
);
9010 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
9017 info
->user_ptr
[1] = dev
;
9019 info
->user_ptr
[1] = wdev
;
9023 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
9024 !netif_running(dev
)) {
9031 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
9032 if (!wdev
->p2p_started
) {
9039 info
->user_ptr
[0] = rdev
;
9045 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
9046 struct genl_info
*info
)
9048 if (info
->user_ptr
[1]) {
9049 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
9050 struct wireless_dev
*wdev
= info
->user_ptr
[1];
9053 dev_put(wdev
->netdev
);
9055 dev_put(info
->user_ptr
[1]);
9058 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
9062 static struct genl_ops nl80211_ops
[] = {
9064 .cmd
= NL80211_CMD_GET_WIPHY
,
9065 .doit
= nl80211_get_wiphy
,
9066 .dumpit
= nl80211_dump_wiphy
,
9067 .done
= nl80211_dump_wiphy_done
,
9068 .policy
= nl80211_policy
,
9069 /* can be retrieved by unprivileged users */
9070 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9071 NL80211_FLAG_NEED_RTNL
,
9074 .cmd
= NL80211_CMD_SET_WIPHY
,
9075 .doit
= nl80211_set_wiphy
,
9076 .policy
= nl80211_policy
,
9077 .flags
= GENL_ADMIN_PERM
,
9078 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9081 .cmd
= NL80211_CMD_GET_INTERFACE
,
9082 .doit
= nl80211_get_interface
,
9083 .dumpit
= nl80211_dump_interface
,
9084 .policy
= nl80211_policy
,
9085 /* can be retrieved by unprivileged users */
9086 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9087 NL80211_FLAG_NEED_RTNL
,
9090 .cmd
= NL80211_CMD_SET_INTERFACE
,
9091 .doit
= nl80211_set_interface
,
9092 .policy
= nl80211_policy
,
9093 .flags
= GENL_ADMIN_PERM
,
9094 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9095 NL80211_FLAG_NEED_RTNL
,
9098 .cmd
= NL80211_CMD_NEW_INTERFACE
,
9099 .doit
= nl80211_new_interface
,
9100 .policy
= nl80211_policy
,
9101 .flags
= GENL_ADMIN_PERM
,
9102 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9103 NL80211_FLAG_NEED_RTNL
,
9106 .cmd
= NL80211_CMD_DEL_INTERFACE
,
9107 .doit
= nl80211_del_interface
,
9108 .policy
= nl80211_policy
,
9109 .flags
= GENL_ADMIN_PERM
,
9110 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9111 NL80211_FLAG_NEED_RTNL
,
9114 .cmd
= NL80211_CMD_GET_KEY
,
9115 .doit
= nl80211_get_key
,
9116 .policy
= nl80211_policy
,
9117 .flags
= GENL_ADMIN_PERM
,
9118 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9119 NL80211_FLAG_NEED_RTNL
,
9122 .cmd
= NL80211_CMD_SET_KEY
,
9123 .doit
= nl80211_set_key
,
9124 .policy
= nl80211_policy
,
9125 .flags
= GENL_ADMIN_PERM
,
9126 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9127 NL80211_FLAG_NEED_RTNL
,
9130 .cmd
= NL80211_CMD_NEW_KEY
,
9131 .doit
= nl80211_new_key
,
9132 .policy
= nl80211_policy
,
9133 .flags
= GENL_ADMIN_PERM
,
9134 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9135 NL80211_FLAG_NEED_RTNL
,
9138 .cmd
= NL80211_CMD_DEL_KEY
,
9139 .doit
= nl80211_del_key
,
9140 .policy
= nl80211_policy
,
9141 .flags
= GENL_ADMIN_PERM
,
9142 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9143 NL80211_FLAG_NEED_RTNL
,
9146 .cmd
= NL80211_CMD_SET_BEACON
,
9147 .policy
= nl80211_policy
,
9148 .flags
= GENL_ADMIN_PERM
,
9149 .doit
= nl80211_set_beacon
,
9150 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9151 NL80211_FLAG_NEED_RTNL
,
9154 .cmd
= NL80211_CMD_START_AP
,
9155 .policy
= nl80211_policy
,
9156 .flags
= GENL_ADMIN_PERM
,
9157 .doit
= nl80211_start_ap
,
9158 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9159 NL80211_FLAG_NEED_RTNL
,
9162 .cmd
= NL80211_CMD_STOP_AP
,
9163 .policy
= nl80211_policy
,
9164 .flags
= GENL_ADMIN_PERM
,
9165 .doit
= nl80211_stop_ap
,
9166 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9167 NL80211_FLAG_NEED_RTNL
,
9170 .cmd
= NL80211_CMD_GET_STATION
,
9171 .doit
= nl80211_get_station
,
9172 .dumpit
= nl80211_dump_station
,
9173 .policy
= nl80211_policy
,
9174 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9175 NL80211_FLAG_NEED_RTNL
,
9178 .cmd
= NL80211_CMD_SET_STATION
,
9179 .doit
= nl80211_set_station
,
9180 .policy
= nl80211_policy
,
9181 .flags
= GENL_ADMIN_PERM
,
9182 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9183 NL80211_FLAG_NEED_RTNL
,
9186 .cmd
= NL80211_CMD_NEW_STATION
,
9187 .doit
= nl80211_new_station
,
9188 .policy
= nl80211_policy
,
9189 .flags
= GENL_ADMIN_PERM
,
9190 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9191 NL80211_FLAG_NEED_RTNL
,
9194 .cmd
= NL80211_CMD_DEL_STATION
,
9195 .doit
= nl80211_del_station
,
9196 .policy
= nl80211_policy
,
9197 .flags
= GENL_ADMIN_PERM
,
9198 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9199 NL80211_FLAG_NEED_RTNL
,
9202 .cmd
= NL80211_CMD_GET_MPATH
,
9203 .doit
= nl80211_get_mpath
,
9204 .dumpit
= nl80211_dump_mpath
,
9205 .policy
= nl80211_policy
,
9206 .flags
= GENL_ADMIN_PERM
,
9207 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9208 NL80211_FLAG_NEED_RTNL
,
9211 .cmd
= NL80211_CMD_SET_MPATH
,
9212 .doit
= nl80211_set_mpath
,
9213 .policy
= nl80211_policy
,
9214 .flags
= GENL_ADMIN_PERM
,
9215 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9216 NL80211_FLAG_NEED_RTNL
,
9219 .cmd
= NL80211_CMD_NEW_MPATH
,
9220 .doit
= nl80211_new_mpath
,
9221 .policy
= nl80211_policy
,
9222 .flags
= GENL_ADMIN_PERM
,
9223 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9224 NL80211_FLAG_NEED_RTNL
,
9227 .cmd
= NL80211_CMD_DEL_MPATH
,
9228 .doit
= nl80211_del_mpath
,
9229 .policy
= nl80211_policy
,
9230 .flags
= GENL_ADMIN_PERM
,
9231 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9232 NL80211_FLAG_NEED_RTNL
,
9235 .cmd
= NL80211_CMD_SET_BSS
,
9236 .doit
= nl80211_set_bss
,
9237 .policy
= nl80211_policy
,
9238 .flags
= GENL_ADMIN_PERM
,
9239 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9240 NL80211_FLAG_NEED_RTNL
,
9243 .cmd
= NL80211_CMD_GET_REG
,
9244 .doit
= nl80211_get_reg
,
9245 .policy
= nl80211_policy
,
9246 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9247 /* can be retrieved by unprivileged users */
9250 .cmd
= NL80211_CMD_SET_REG
,
9251 .doit
= nl80211_set_reg
,
9252 .policy
= nl80211_policy
,
9253 .flags
= GENL_ADMIN_PERM
,
9254 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9257 .cmd
= NL80211_CMD_REQ_SET_REG
,
9258 .doit
= nl80211_req_set_reg
,
9259 .policy
= nl80211_policy
,
9260 .flags
= GENL_ADMIN_PERM
,
9263 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
9264 .doit
= nl80211_get_mesh_config
,
9265 .policy
= nl80211_policy
,
9266 /* can be retrieved by unprivileged users */
9267 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9268 NL80211_FLAG_NEED_RTNL
,
9271 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
9272 .doit
= nl80211_update_mesh_config
,
9273 .policy
= nl80211_policy
,
9274 .flags
= GENL_ADMIN_PERM
,
9275 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9276 NL80211_FLAG_NEED_RTNL
,
9279 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
9280 .doit
= nl80211_trigger_scan
,
9281 .policy
= nl80211_policy
,
9282 .flags
= GENL_ADMIN_PERM
,
9283 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9284 NL80211_FLAG_NEED_RTNL
,
9287 .cmd
= NL80211_CMD_GET_SCAN
,
9288 .policy
= nl80211_policy
,
9289 .dumpit
= nl80211_dump_scan
,
9292 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
9293 .doit
= nl80211_start_sched_scan
,
9294 .policy
= nl80211_policy
,
9295 .flags
= GENL_ADMIN_PERM
,
9296 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9297 NL80211_FLAG_NEED_RTNL
,
9300 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
9301 .doit
= nl80211_stop_sched_scan
,
9302 .policy
= nl80211_policy
,
9303 .flags
= GENL_ADMIN_PERM
,
9304 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9305 NL80211_FLAG_NEED_RTNL
,
9308 .cmd
= NL80211_CMD_AUTHENTICATE
,
9309 .doit
= nl80211_authenticate
,
9310 .policy
= nl80211_policy
,
9311 .flags
= GENL_ADMIN_PERM
,
9312 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9313 NL80211_FLAG_NEED_RTNL
,
9316 .cmd
= NL80211_CMD_ASSOCIATE
,
9317 .doit
= nl80211_associate
,
9318 .policy
= nl80211_policy
,
9319 .flags
= GENL_ADMIN_PERM
,
9320 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9321 NL80211_FLAG_NEED_RTNL
,
9324 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
9325 .doit
= nl80211_deauthenticate
,
9326 .policy
= nl80211_policy
,
9327 .flags
= GENL_ADMIN_PERM
,
9328 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9329 NL80211_FLAG_NEED_RTNL
,
9332 .cmd
= NL80211_CMD_DISASSOCIATE
,
9333 .doit
= nl80211_disassociate
,
9334 .policy
= nl80211_policy
,
9335 .flags
= GENL_ADMIN_PERM
,
9336 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9337 NL80211_FLAG_NEED_RTNL
,
9340 .cmd
= NL80211_CMD_JOIN_IBSS
,
9341 .doit
= nl80211_join_ibss
,
9342 .policy
= nl80211_policy
,
9343 .flags
= GENL_ADMIN_PERM
,
9344 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9345 NL80211_FLAG_NEED_RTNL
,
9348 .cmd
= NL80211_CMD_LEAVE_IBSS
,
9349 .doit
= nl80211_leave_ibss
,
9350 .policy
= nl80211_policy
,
9351 .flags
= GENL_ADMIN_PERM
,
9352 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9353 NL80211_FLAG_NEED_RTNL
,
9355 #ifdef CONFIG_NL80211_TESTMODE
9357 .cmd
= NL80211_CMD_TESTMODE
,
9358 .doit
= nl80211_testmode_do
,
9359 .dumpit
= nl80211_testmode_dump
,
9360 .policy
= nl80211_policy
,
9361 .flags
= GENL_ADMIN_PERM
,
9362 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9363 NL80211_FLAG_NEED_RTNL
,
9367 .cmd
= NL80211_CMD_CONNECT
,
9368 .doit
= nl80211_connect
,
9369 .policy
= nl80211_policy
,
9370 .flags
= GENL_ADMIN_PERM
,
9371 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9372 NL80211_FLAG_NEED_RTNL
,
9375 .cmd
= NL80211_CMD_DISCONNECT
,
9376 .doit
= nl80211_disconnect
,
9377 .policy
= nl80211_policy
,
9378 .flags
= GENL_ADMIN_PERM
,
9379 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9380 NL80211_FLAG_NEED_RTNL
,
9383 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
9384 .doit
= nl80211_wiphy_netns
,
9385 .policy
= nl80211_policy
,
9386 .flags
= GENL_ADMIN_PERM
,
9387 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9388 NL80211_FLAG_NEED_RTNL
,
9391 .cmd
= NL80211_CMD_GET_SURVEY
,
9392 .policy
= nl80211_policy
,
9393 .dumpit
= nl80211_dump_survey
,
9396 .cmd
= NL80211_CMD_SET_PMKSA
,
9397 .doit
= nl80211_setdel_pmksa
,
9398 .policy
= nl80211_policy
,
9399 .flags
= GENL_ADMIN_PERM
,
9400 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9401 NL80211_FLAG_NEED_RTNL
,
9404 .cmd
= NL80211_CMD_DEL_PMKSA
,
9405 .doit
= nl80211_setdel_pmksa
,
9406 .policy
= nl80211_policy
,
9407 .flags
= GENL_ADMIN_PERM
,
9408 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9409 NL80211_FLAG_NEED_RTNL
,
9412 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
9413 .doit
= nl80211_flush_pmksa
,
9414 .policy
= nl80211_policy
,
9415 .flags
= GENL_ADMIN_PERM
,
9416 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9417 NL80211_FLAG_NEED_RTNL
,
9420 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
9421 .doit
= nl80211_remain_on_channel
,
9422 .policy
= nl80211_policy
,
9423 .flags
= GENL_ADMIN_PERM
,
9424 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9425 NL80211_FLAG_NEED_RTNL
,
9428 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
9429 .doit
= nl80211_cancel_remain_on_channel
,
9430 .policy
= nl80211_policy
,
9431 .flags
= GENL_ADMIN_PERM
,
9432 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9433 NL80211_FLAG_NEED_RTNL
,
9436 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
9437 .doit
= nl80211_set_tx_bitrate_mask
,
9438 .policy
= nl80211_policy
,
9439 .flags
= GENL_ADMIN_PERM
,
9440 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9441 NL80211_FLAG_NEED_RTNL
,
9444 .cmd
= NL80211_CMD_REGISTER_FRAME
,
9445 .doit
= nl80211_register_mgmt
,
9446 .policy
= nl80211_policy
,
9447 .flags
= GENL_ADMIN_PERM
,
9448 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9449 NL80211_FLAG_NEED_RTNL
,
9452 .cmd
= NL80211_CMD_FRAME
,
9453 .doit
= nl80211_tx_mgmt
,
9454 .policy
= nl80211_policy
,
9455 .flags
= GENL_ADMIN_PERM
,
9456 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9457 NL80211_FLAG_NEED_RTNL
,
9460 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
9461 .doit
= nl80211_tx_mgmt_cancel_wait
,
9462 .policy
= nl80211_policy
,
9463 .flags
= GENL_ADMIN_PERM
,
9464 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9465 NL80211_FLAG_NEED_RTNL
,
9468 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
9469 .doit
= nl80211_set_power_save
,
9470 .policy
= nl80211_policy
,
9471 .flags
= GENL_ADMIN_PERM
,
9472 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9473 NL80211_FLAG_NEED_RTNL
,
9476 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
9477 .doit
= nl80211_get_power_save
,
9478 .policy
= nl80211_policy
,
9479 /* can be retrieved by unprivileged users */
9480 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9481 NL80211_FLAG_NEED_RTNL
,
9484 .cmd
= NL80211_CMD_SET_CQM
,
9485 .doit
= nl80211_set_cqm
,
9486 .policy
= nl80211_policy
,
9487 .flags
= GENL_ADMIN_PERM
,
9488 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9489 NL80211_FLAG_NEED_RTNL
,
9492 .cmd
= NL80211_CMD_SET_CHANNEL
,
9493 .doit
= nl80211_set_channel
,
9494 .policy
= nl80211_policy
,
9495 .flags
= GENL_ADMIN_PERM
,
9496 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9497 NL80211_FLAG_NEED_RTNL
,
9500 .cmd
= NL80211_CMD_SET_WDS_PEER
,
9501 .doit
= nl80211_set_wds_peer
,
9502 .policy
= nl80211_policy
,
9503 .flags
= GENL_ADMIN_PERM
,
9504 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9505 NL80211_FLAG_NEED_RTNL
,
9508 .cmd
= NL80211_CMD_JOIN_MESH
,
9509 .doit
= nl80211_join_mesh
,
9510 .policy
= nl80211_policy
,
9511 .flags
= GENL_ADMIN_PERM
,
9512 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9513 NL80211_FLAG_NEED_RTNL
,
9516 .cmd
= NL80211_CMD_LEAVE_MESH
,
9517 .doit
= nl80211_leave_mesh
,
9518 .policy
= nl80211_policy
,
9519 .flags
= GENL_ADMIN_PERM
,
9520 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9521 NL80211_FLAG_NEED_RTNL
,
9525 .cmd
= NL80211_CMD_GET_WOWLAN
,
9526 .doit
= nl80211_get_wowlan
,
9527 .policy
= nl80211_policy
,
9528 /* can be retrieved by unprivileged users */
9529 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9530 NL80211_FLAG_NEED_RTNL
,
9533 .cmd
= NL80211_CMD_SET_WOWLAN
,
9534 .doit
= nl80211_set_wowlan
,
9535 .policy
= nl80211_policy
,
9536 .flags
= GENL_ADMIN_PERM
,
9537 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9538 NL80211_FLAG_NEED_RTNL
,
9542 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
9543 .doit
= nl80211_set_rekey_data
,
9544 .policy
= nl80211_policy
,
9545 .flags
= GENL_ADMIN_PERM
,
9546 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9547 NL80211_FLAG_NEED_RTNL
,
9550 .cmd
= NL80211_CMD_TDLS_MGMT
,
9551 .doit
= nl80211_tdls_mgmt
,
9552 .policy
= nl80211_policy
,
9553 .flags
= GENL_ADMIN_PERM
,
9554 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9555 NL80211_FLAG_NEED_RTNL
,
9558 .cmd
= NL80211_CMD_TDLS_OPER
,
9559 .doit
= nl80211_tdls_oper
,
9560 .policy
= nl80211_policy
,
9561 .flags
= GENL_ADMIN_PERM
,
9562 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9563 NL80211_FLAG_NEED_RTNL
,
9566 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
9567 .doit
= nl80211_register_unexpected_frame
,
9568 .policy
= nl80211_policy
,
9569 .flags
= GENL_ADMIN_PERM
,
9570 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9571 NL80211_FLAG_NEED_RTNL
,
9574 .cmd
= NL80211_CMD_PROBE_CLIENT
,
9575 .doit
= nl80211_probe_client
,
9576 .policy
= nl80211_policy
,
9577 .flags
= GENL_ADMIN_PERM
,
9578 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9579 NL80211_FLAG_NEED_RTNL
,
9582 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
9583 .doit
= nl80211_register_beacons
,
9584 .policy
= nl80211_policy
,
9585 .flags
= GENL_ADMIN_PERM
,
9586 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9587 NL80211_FLAG_NEED_RTNL
,
9590 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
9591 .doit
= nl80211_set_noack_map
,
9592 .policy
= nl80211_policy
,
9593 .flags
= GENL_ADMIN_PERM
,
9594 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9595 NL80211_FLAG_NEED_RTNL
,
9598 .cmd
= NL80211_CMD_START_P2P_DEVICE
,
9599 .doit
= nl80211_start_p2p_device
,
9600 .policy
= nl80211_policy
,
9601 .flags
= GENL_ADMIN_PERM
,
9602 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9603 NL80211_FLAG_NEED_RTNL
,
9606 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
9607 .doit
= nl80211_stop_p2p_device
,
9608 .policy
= nl80211_policy
,
9609 .flags
= GENL_ADMIN_PERM
,
9610 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9611 NL80211_FLAG_NEED_RTNL
,
9614 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
9615 .doit
= nl80211_set_mcast_rate
,
9616 .policy
= nl80211_policy
,
9617 .flags
= GENL_ADMIN_PERM
,
9618 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9619 NL80211_FLAG_NEED_RTNL
,
9622 .cmd
= NL80211_CMD_SET_MAC_ACL
,
9623 .doit
= nl80211_set_mac_acl
,
9624 .policy
= nl80211_policy
,
9625 .flags
= GENL_ADMIN_PERM
,
9626 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9627 NL80211_FLAG_NEED_RTNL
,
9630 .cmd
= NL80211_CMD_RADAR_DETECT
,
9631 .doit
= nl80211_start_radar_detection
,
9632 .policy
= nl80211_policy
,
9633 .flags
= GENL_ADMIN_PERM
,
9634 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9635 NL80211_FLAG_NEED_RTNL
,
9638 .cmd
= NL80211_CMD_GET_PROTOCOL_FEATURES
,
9639 .doit
= nl80211_get_protocol_features
,
9640 .policy
= nl80211_policy
,
9643 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
9644 .doit
= nl80211_update_ft_ies
,
9645 .policy
= nl80211_policy
,
9646 .flags
= GENL_ADMIN_PERM
,
9647 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9648 NL80211_FLAG_NEED_RTNL
,
9651 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
9652 .doit
= nl80211_crit_protocol_start
,
9653 .policy
= nl80211_policy
,
9654 .flags
= GENL_ADMIN_PERM
,
9655 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9656 NL80211_FLAG_NEED_RTNL
,
9659 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
9660 .doit
= nl80211_crit_protocol_stop
,
9661 .policy
= nl80211_policy
,
9662 .flags
= GENL_ADMIN_PERM
,
9663 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9664 NL80211_FLAG_NEED_RTNL
,
9667 .cmd
= NL80211_CMD_GET_COALESCE
,
9668 .doit
= nl80211_get_coalesce
,
9669 .policy
= nl80211_policy
,
9670 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9671 NL80211_FLAG_NEED_RTNL
,
9674 .cmd
= NL80211_CMD_SET_COALESCE
,
9675 .doit
= nl80211_set_coalesce
,
9676 .policy
= nl80211_policy
,
9677 .flags
= GENL_ADMIN_PERM
,
9678 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9679 NL80211_FLAG_NEED_RTNL
,
9682 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
9683 .doit
= nl80211_channel_switch
,
9684 .policy
= nl80211_policy
,
9685 .flags
= GENL_ADMIN_PERM
,
9686 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9687 NL80211_FLAG_NEED_RTNL
,
9690 .cmd
= NL80211_CMD_VENDOR
,
9691 .doit
= nl80211_vendor_cmd
,
9692 .policy
= nl80211_policy
,
9693 .flags
= GENL_ADMIN_PERM
,
9694 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9695 NL80211_FLAG_NEED_RTNL
,
9699 static struct genl_multicast_group nl80211_mlme_mcgrp
= {
9703 /* multicast groups */
9704 static struct genl_multicast_group nl80211_config_mcgrp
= {
9707 static struct genl_multicast_group nl80211_scan_mcgrp
= {
9710 static struct genl_multicast_group nl80211_regulatory_mcgrp
= {
9711 .name
= "regulatory",
9714 /* notification functions */
9716 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
9718 struct sk_buff
*msg
;
9719 struct nl80211_dump_wiphy_state state
= {};
9721 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9725 if (nl80211_send_wiphy(rdev
, msg
, 0, 0, 0, &state
) < 0) {
9730 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9731 nl80211_config_mcgrp
.id
, GFP_KERNEL
);
9734 static int nl80211_add_scan_req(struct sk_buff
*msg
,
9735 struct cfg80211_registered_device
*rdev
)
9737 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
9738 struct nlattr
*nest
;
9744 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
9746 goto nla_put_failure
;
9747 for (i
= 0; i
< req
->n_ssids
; i
++) {
9748 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
9749 goto nla_put_failure
;
9751 nla_nest_end(msg
, nest
);
9753 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
9755 goto nla_put_failure
;
9756 for (i
= 0; i
< req
->n_channels
; i
++) {
9757 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
9758 goto nla_put_failure
;
9760 nla_nest_end(msg
, nest
);
9763 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
9764 goto nla_put_failure
;
9767 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
);
9774 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
9775 struct cfg80211_registered_device
*rdev
,
9776 struct wireless_dev
*wdev
,
9777 u32 portid
, u32 seq
, int flags
,
9782 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
9786 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9787 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
9788 wdev
->netdev
->ifindex
)) ||
9789 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
9790 goto nla_put_failure
;
9792 /* ignore errors and send incomplete event anyway */
9793 nl80211_add_scan_req(msg
, rdev
);
9795 return genlmsg_end(msg
, hdr
);
9798 genlmsg_cancel(msg
, hdr
);
9803 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
9804 struct cfg80211_registered_device
*rdev
,
9805 struct net_device
*netdev
,
9806 u32 portid
, u32 seq
, int flags
, u32 cmd
)
9810 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
9814 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9815 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
9816 goto nla_put_failure
;
9818 return genlmsg_end(msg
, hdr
);
9821 genlmsg_cancel(msg
, hdr
);
9825 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
9826 struct wireless_dev
*wdev
)
9828 struct sk_buff
*msg
;
9830 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9834 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
9835 NL80211_CMD_TRIGGER_SCAN
) < 0) {
9840 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9841 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
9844 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
9845 struct wireless_dev
*wdev
)
9847 struct sk_buff
*msg
;
9849 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9853 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
9854 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
9859 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9860 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
9863 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
9864 struct wireless_dev
*wdev
)
9866 struct sk_buff
*msg
;
9868 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9872 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
9873 NL80211_CMD_SCAN_ABORTED
) < 0) {
9878 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9879 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
9882 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
9883 struct net_device
*netdev
)
9885 struct sk_buff
*msg
;
9887 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9891 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
9892 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
9897 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9898 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
9901 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
9902 struct net_device
*netdev
, u32 cmd
)
9904 struct sk_buff
*msg
;
9906 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9910 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
9915 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9916 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
9920 * This can happen on global regulatory changes or device specific settings
9921 * based on custom world regulatory domains.
9923 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
9925 struct sk_buff
*msg
;
9928 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9932 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
9938 /* Userspace can always count this one always being set */
9939 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
9940 goto nla_put_failure
;
9942 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
9943 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
9944 NL80211_REGDOM_TYPE_WORLD
))
9945 goto nla_put_failure
;
9946 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
9947 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
9948 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
9949 goto nla_put_failure
;
9950 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
9951 request
->intersect
) {
9952 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
9953 NL80211_REGDOM_TYPE_INTERSECTION
))
9954 goto nla_put_failure
;
9956 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
9957 NL80211_REGDOM_TYPE_COUNTRY
) ||
9958 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
9960 goto nla_put_failure
;
9963 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
&&
9964 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
9965 goto nla_put_failure
;
9967 genlmsg_end(msg
, hdr
);
9970 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
9977 genlmsg_cancel(msg
, hdr
);
9981 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
9982 struct net_device
*netdev
,
9983 const u8
*buf
, size_t len
,
9984 enum nl80211_commands cmd
, gfp_t gfp
)
9986 struct sk_buff
*msg
;
9989 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9993 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
9999 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10000 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10001 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
10002 goto nla_put_failure
;
10004 genlmsg_end(msg
, hdr
);
10006 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10007 nl80211_mlme_mcgrp
.id
, gfp
);
10011 genlmsg_cancel(msg
, hdr
);
10015 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
10016 struct net_device
*netdev
, const u8
*buf
,
10017 size_t len
, gfp_t gfp
)
10019 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10020 NL80211_CMD_AUTHENTICATE
, gfp
);
10023 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
10024 struct net_device
*netdev
, const u8
*buf
,
10025 size_t len
, gfp_t gfp
)
10027 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10028 NL80211_CMD_ASSOCIATE
, gfp
);
10031 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
10032 struct net_device
*netdev
, const u8
*buf
,
10033 size_t len
, gfp_t gfp
)
10035 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10036 NL80211_CMD_DEAUTHENTICATE
, gfp
);
10039 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
10040 struct net_device
*netdev
, const u8
*buf
,
10041 size_t len
, gfp_t gfp
)
10043 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
10044 NL80211_CMD_DISASSOCIATE
, gfp
);
10047 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
10050 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10051 struct wiphy
*wiphy
= wdev
->wiphy
;
10052 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10053 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
10056 if (WARN_ON(len
< 2))
10059 if (ieee80211_is_deauth(mgmt
->frame_control
))
10060 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
10062 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
10064 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
10065 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
);
10067 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
10069 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
10070 struct net_device
*netdev
, int cmd
,
10071 const u8
*addr
, gfp_t gfp
)
10073 struct sk_buff
*msg
;
10076 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10080 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10086 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10087 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10088 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
10089 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10090 goto nla_put_failure
;
10092 genlmsg_end(msg
, hdr
);
10094 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10095 nl80211_mlme_mcgrp
.id
, gfp
);
10099 genlmsg_cancel(msg
, hdr
);
10103 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
10104 struct net_device
*netdev
, const u8
*addr
,
10107 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
10111 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
10112 struct net_device
*netdev
, const u8
*addr
,
10115 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
10119 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
10120 struct net_device
*netdev
, const u8
*bssid
,
10121 const u8
*req_ie
, size_t req_ie_len
,
10122 const u8
*resp_ie
, size_t resp_ie_len
,
10123 u16 status
, gfp_t gfp
)
10125 struct sk_buff
*msg
;
10128 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10132 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
10138 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10139 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10140 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
10141 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
10143 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10145 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10146 goto nla_put_failure
;
10148 genlmsg_end(msg
, hdr
);
10150 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10151 nl80211_mlme_mcgrp
.id
, gfp
);
10155 genlmsg_cancel(msg
, hdr
);
10160 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
10161 struct net_device
*netdev
, const u8
*bssid
,
10162 const u8
*req_ie
, size_t req_ie_len
,
10163 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
10165 struct sk_buff
*msg
;
10168 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10172 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
10178 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10179 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10180 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
10182 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10184 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10185 goto nla_put_failure
;
10187 genlmsg_end(msg
, hdr
);
10189 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10190 nl80211_mlme_mcgrp
.id
, gfp
);
10194 genlmsg_cancel(msg
, hdr
);
10199 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
10200 struct net_device
*netdev
, u16 reason
,
10201 const u8
*ie
, size_t ie_len
, bool from_ap
)
10203 struct sk_buff
*msg
;
10206 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10210 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
10216 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10217 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10218 (from_ap
&& reason
&&
10219 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
10221 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
10222 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10223 goto nla_put_failure
;
10225 genlmsg_end(msg
, hdr
);
10227 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10228 nl80211_mlme_mcgrp
.id
, GFP_KERNEL
);
10232 genlmsg_cancel(msg
, hdr
);
10237 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
10238 struct net_device
*netdev
, const u8
*bssid
,
10241 struct sk_buff
*msg
;
10244 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10248 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
10254 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10255 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10256 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10257 goto nla_put_failure
;
10259 genlmsg_end(msg
, hdr
);
10261 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10262 nl80211_mlme_mcgrp
.id
, gfp
);
10266 genlmsg_cancel(msg
, hdr
);
10270 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
10271 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
10273 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10274 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
10275 struct sk_buff
*msg
;
10278 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
10281 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
10283 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10287 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
10293 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10294 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10295 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
10297 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10298 goto nla_put_failure
;
10300 genlmsg_end(msg
, hdr
);
10302 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10303 nl80211_mlme_mcgrp
.id
, gfp
);
10307 genlmsg_cancel(msg
, hdr
);
10310 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
10312 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
10313 struct net_device
*netdev
, const u8
*addr
,
10314 enum nl80211_key_type key_type
, int key_id
,
10315 const u8
*tsc
, gfp_t gfp
)
10317 struct sk_buff
*msg
;
10320 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10324 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
10330 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10331 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10332 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
10333 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
10335 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
10336 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
10337 goto nla_put_failure
;
10339 genlmsg_end(msg
, hdr
);
10341 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10342 nl80211_mlme_mcgrp
.id
, gfp
);
10346 genlmsg_cancel(msg
, hdr
);
10350 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
10351 struct ieee80211_channel
*channel_before
,
10352 struct ieee80211_channel
*channel_after
)
10354 struct sk_buff
*msg
;
10356 struct nlattr
*nl_freq
;
10358 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
10362 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
10369 * Since we are applying the beacon hint to a wiphy we know its
10370 * wiphy_idx is valid
10372 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
10373 goto nla_put_failure
;
10376 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
10378 goto nla_put_failure
;
10379 if (nl80211_msg_put_channel(msg
, channel_before
, false))
10380 goto nla_put_failure
;
10381 nla_nest_end(msg
, nl_freq
);
10384 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
10386 goto nla_put_failure
;
10387 if (nl80211_msg_put_channel(msg
, channel_after
, false))
10388 goto nla_put_failure
;
10389 nla_nest_end(msg
, nl_freq
);
10391 genlmsg_end(msg
, hdr
);
10394 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
10401 genlmsg_cancel(msg
, hdr
);
10405 static void nl80211_send_remain_on_chan_event(
10406 int cmd
, struct cfg80211_registered_device
*rdev
,
10407 struct wireless_dev
*wdev
, u64 cookie
,
10408 struct ieee80211_channel
*chan
,
10409 unsigned int duration
, gfp_t gfp
)
10411 struct sk_buff
*msg
;
10414 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10418 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10424 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10425 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10426 wdev
->netdev
->ifindex
)) ||
10427 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10428 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
10429 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
10430 NL80211_CHAN_NO_HT
) ||
10431 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
10432 goto nla_put_failure
;
10434 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
10435 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
10436 goto nla_put_failure
;
10438 genlmsg_end(msg
, hdr
);
10440 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10441 nl80211_mlme_mcgrp
.id
, gfp
);
10445 genlmsg_cancel(msg
, hdr
);
10449 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
10450 struct ieee80211_channel
*chan
,
10451 unsigned int duration
, gfp_t gfp
)
10453 struct wiphy
*wiphy
= wdev
->wiphy
;
10454 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10456 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
10457 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
10458 rdev
, wdev
, cookie
, chan
,
10461 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
10463 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
10464 struct ieee80211_channel
*chan
,
10467 struct wiphy
*wiphy
= wdev
->wiphy
;
10468 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10470 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
10471 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10472 rdev
, wdev
, cookie
, chan
, 0, gfp
);
10474 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
10476 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
10477 struct station_info
*sinfo
, gfp_t gfp
)
10479 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10480 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10481 struct sk_buff
*msg
;
10483 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
10485 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10489 if (nl80211_send_station(msg
, 0, 0, 0,
10490 rdev
, dev
, mac_addr
, sinfo
) < 0) {
10495 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10496 nl80211_mlme_mcgrp
.id
, gfp
);
10498 EXPORT_SYMBOL(cfg80211_new_sta
);
10500 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
10502 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10503 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10504 struct sk_buff
*msg
;
10507 trace_cfg80211_del_sta(dev
, mac_addr
);
10509 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10513 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
10519 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10520 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
10521 goto nla_put_failure
;
10523 genlmsg_end(msg
, hdr
);
10525 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10526 nl80211_mlme_mcgrp
.id
, gfp
);
10530 genlmsg_cancel(msg
, hdr
);
10533 EXPORT_SYMBOL(cfg80211_del_sta
);
10535 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
10536 enum nl80211_connect_failed_reason reason
,
10539 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10540 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10541 struct sk_buff
*msg
;
10544 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
10548 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
10554 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10555 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
10556 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
10557 goto nla_put_failure
;
10559 genlmsg_end(msg
, hdr
);
10561 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10562 nl80211_mlme_mcgrp
.id
, gfp
);
10566 genlmsg_cancel(msg
, hdr
);
10569 EXPORT_SYMBOL(cfg80211_conn_failed
);
10571 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
10572 const u8
*addr
, gfp_t gfp
)
10574 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10575 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
10576 struct sk_buff
*msg
;
10578 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
10583 msg
= nlmsg_new(100, gfp
);
10587 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10593 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10594 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10595 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10596 goto nla_put_failure
;
10598 genlmsg_end(msg
, hdr
);
10599 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
10603 genlmsg_cancel(msg
, hdr
);
10608 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
10609 const u8
*addr
, gfp_t gfp
)
10611 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10614 trace_cfg80211_rx_spurious_frame(dev
, addr
);
10616 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10617 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
10618 trace_cfg80211_return_bool(false);
10621 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
10623 trace_cfg80211_return_bool(ret
);
10626 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
10628 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
10629 const u8
*addr
, gfp_t gfp
)
10631 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10634 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
10636 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10637 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
10638 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
10639 trace_cfg80211_return_bool(false);
10642 ret
= __nl80211_unexpected_frame(dev
,
10643 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
10645 trace_cfg80211_return_bool(ret
);
10648 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
10650 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
10651 struct wireless_dev
*wdev
, u32 nlportid
,
10652 int freq
, int sig_dbm
,
10653 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
10655 struct net_device
*netdev
= wdev
->netdev
;
10656 struct sk_buff
*msg
;
10659 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10663 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
10669 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10670 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10671 netdev
->ifindex
)) ||
10672 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10673 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
10675 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
10676 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
10678 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
10679 goto nla_put_failure
;
10681 genlmsg_end(msg
, hdr
);
10683 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
10686 genlmsg_cancel(msg
, hdr
);
10691 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
10692 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
10694 struct wiphy
*wiphy
= wdev
->wiphy
;
10695 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10696 struct net_device
*netdev
= wdev
->netdev
;
10697 struct sk_buff
*msg
;
10700 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
10702 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10706 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
10712 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10713 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10714 netdev
->ifindex
)) ||
10715 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10716 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
10717 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
10718 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
10719 goto nla_put_failure
;
10721 genlmsg_end(msg
, hdr
);
10723 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10724 nl80211_mlme_mcgrp
.id
, gfp
);
10728 genlmsg_cancel(msg
, hdr
);
10731 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
10733 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
10734 enum nl80211_cqm_rssi_threshold_event rssi_event
,
10737 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10738 struct wiphy
*wiphy
= wdev
->wiphy
;
10739 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10740 struct sk_buff
*msg
;
10741 struct nlattr
*pinfoattr
;
10744 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
10746 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10750 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
10756 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10757 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
10758 goto nla_put_failure
;
10760 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
10762 goto nla_put_failure
;
10764 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
10766 goto nla_put_failure
;
10768 nla_nest_end(msg
, pinfoattr
);
10770 genlmsg_end(msg
, hdr
);
10772 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10773 nl80211_mlme_mcgrp
.id
, gfp
);
10777 genlmsg_cancel(msg
, hdr
);
10780 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
10782 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
10783 struct net_device
*netdev
, const u8
*bssid
,
10784 const u8
*replay_ctr
, gfp_t gfp
)
10786 struct sk_buff
*msg
;
10787 struct nlattr
*rekey_attr
;
10790 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10794 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
10800 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10801 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10802 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10803 goto nla_put_failure
;
10805 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
10807 goto nla_put_failure
;
10809 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
10810 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
10811 goto nla_put_failure
;
10813 nla_nest_end(msg
, rekey_attr
);
10815 genlmsg_end(msg
, hdr
);
10817 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10818 nl80211_mlme_mcgrp
.id
, gfp
);
10822 genlmsg_cancel(msg
, hdr
);
10826 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
10827 const u8
*replay_ctr
, gfp_t gfp
)
10829 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10830 struct wiphy
*wiphy
= wdev
->wiphy
;
10831 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10833 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
10834 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
10836 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
10839 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
10840 struct net_device
*netdev
, int index
,
10841 const u8
*bssid
, bool preauth
, gfp_t gfp
)
10843 struct sk_buff
*msg
;
10844 struct nlattr
*attr
;
10847 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10851 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
10857 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10858 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10859 goto nla_put_failure
;
10861 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
10863 goto nla_put_failure
;
10865 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
10866 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
10868 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
10869 goto nla_put_failure
;
10871 nla_nest_end(msg
, attr
);
10873 genlmsg_end(msg
, hdr
);
10875 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10876 nl80211_mlme_mcgrp
.id
, gfp
);
10880 genlmsg_cancel(msg
, hdr
);
10884 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
10885 const u8
*bssid
, bool preauth
, gfp_t gfp
)
10887 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10888 struct wiphy
*wiphy
= wdev
->wiphy
;
10889 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10891 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
10892 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
10894 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
10896 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
10897 struct net_device
*netdev
,
10898 struct cfg80211_chan_def
*chandef
,
10901 struct sk_buff
*msg
;
10904 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10908 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY
);
10914 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10915 goto nla_put_failure
;
10917 if (nl80211_send_chandef(msg
, chandef
))
10918 goto nla_put_failure
;
10920 genlmsg_end(msg
, hdr
);
10922 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10923 nl80211_mlme_mcgrp
.id
, gfp
);
10927 genlmsg_cancel(msg
, hdr
);
10931 void cfg80211_ch_switch_notify(struct net_device
*dev
,
10932 struct cfg80211_chan_def
*chandef
)
10934 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10935 struct wiphy
*wiphy
= wdev
->wiphy
;
10936 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10938 ASSERT_WDEV_LOCK(wdev
);
10940 trace_cfg80211_ch_switch_notify(dev
, chandef
);
10942 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10943 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
10944 wdev
->iftype
!= NL80211_IFTYPE_ADHOC
&&
10945 wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
10948 wdev
->channel
= chandef
->chan
;
10949 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
);
10951 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
10953 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
10954 const u8
*peer
, u32 num_packets
,
10955 u32 rate
, u32 intvl
, gfp_t gfp
)
10957 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10958 struct wiphy
*wiphy
= wdev
->wiphy
;
10959 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10960 struct sk_buff
*msg
;
10961 struct nlattr
*pinfoattr
;
10964 msg
= nlmsg_new(NLMSG_GOODSIZE
, 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_TXE_PKTS
, num_packets
))
10984 goto nla_put_failure
;
10986 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
10987 goto nla_put_failure
;
10989 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
10990 goto nla_put_failure
;
10992 nla_nest_end(msg
, pinfoattr
);
10994 genlmsg_end(msg
, hdr
);
10996 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10997 nl80211_mlme_mcgrp
.id
, gfp
);
11001 genlmsg_cancel(msg
, hdr
);
11004 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
11007 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
11008 const struct cfg80211_chan_def
*chandef
,
11009 enum nl80211_radar_event event
,
11010 struct net_device
*netdev
, gfp_t gfp
)
11012 struct sk_buff
*msg
;
11015 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11019 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
11025 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
11026 goto nla_put_failure
;
11028 /* NOP and radar events don't need a netdev parameter */
11030 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
11032 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
11033 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11034 goto nla_put_failure
;
11037 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
11038 goto nla_put_failure
;
11040 if (nl80211_send_chandef(msg
, chandef
))
11041 goto nla_put_failure
;
11043 genlmsg_end(msg
, hdr
);
11045 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
11046 nl80211_mlme_mcgrp
.id
, gfp
);
11050 genlmsg_cancel(msg
, hdr
);
11054 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
11055 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
11057 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11058 struct wiphy
*wiphy
= wdev
->wiphy
;
11059 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11060 struct sk_buff
*msg
;
11061 struct nlattr
*pinfoattr
;
11064 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
11066 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11070 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
11076 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11077 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11078 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
11079 goto nla_put_failure
;
11081 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
11083 goto nla_put_failure
;
11085 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
11086 goto nla_put_failure
;
11088 nla_nest_end(msg
, pinfoattr
);
11090 genlmsg_end(msg
, hdr
);
11092 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
11093 nl80211_mlme_mcgrp
.id
, gfp
);
11097 genlmsg_cancel(msg
, hdr
);
11100 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
11102 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
11103 u64 cookie
, bool acked
, gfp_t gfp
)
11105 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11106 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11107 struct sk_buff
*msg
;
11110 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
11112 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11117 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
11123 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11124 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11125 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
11126 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11127 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11128 goto nla_put_failure
;
11130 genlmsg_end(msg
, hdr
);
11132 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
11133 nl80211_mlme_mcgrp
.id
, gfp
);
11137 genlmsg_cancel(msg
, hdr
);
11140 EXPORT_SYMBOL(cfg80211_probe_status
);
11142 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
11143 const u8
*frame
, size_t len
,
11144 int freq
, int sig_dbm
)
11146 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11147 struct sk_buff
*msg
;
11149 struct cfg80211_beacon_registration
*reg
;
11151 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
11153 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11154 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11155 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
11157 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11161 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11163 goto nla_put_failure
;
11165 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11167 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
11169 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11170 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
11171 goto nla_put_failure
;
11173 genlmsg_end(msg
, hdr
);
11175 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
11177 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11181 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11183 genlmsg_cancel(msg
, hdr
);
11186 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
11189 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
11190 struct cfg80211_wowlan_wakeup
*wakeup
,
11193 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11194 struct sk_buff
*msg
;
11198 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
11201 size
+= wakeup
->packet_present_len
;
11203 msg
= nlmsg_new(size
, gfp
);
11207 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
11211 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11212 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11215 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11216 wdev
->netdev
->ifindex
))
11220 struct nlattr
*reasons
;
11222 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
11224 if (wakeup
->disconnect
&&
11225 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
11227 if (wakeup
->magic_pkt
&&
11228 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
11230 if (wakeup
->gtk_rekey_failure
&&
11231 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
11233 if (wakeup
->eap_identity_req
&&
11234 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
11236 if (wakeup
->four_way_handshake
&&
11237 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
11239 if (wakeup
->rfkill_release
&&
11240 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
11243 if (wakeup
->pattern_idx
>= 0 &&
11244 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
11245 wakeup
->pattern_idx
))
11248 if (wakeup
->tcp_match
)
11249 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
);
11251 if (wakeup
->tcp_connlost
)
11253 NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
);
11255 if (wakeup
->tcp_nomoretokens
)
11257 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
);
11259 if (wakeup
->packet
) {
11260 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
11261 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
11263 if (!wakeup
->packet_80211
) {
11265 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
11267 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
11270 if (wakeup
->packet_len
&&
11271 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
11274 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
11279 nla_nest_end(msg
, reasons
);
11282 genlmsg_end(msg
, hdr
);
11284 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
11285 nl80211_mlme_mcgrp
.id
, gfp
);
11291 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
11294 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
11295 enum nl80211_tdls_operation oper
,
11296 u16 reason_code
, gfp_t gfp
)
11298 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11299 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11300 struct sk_buff
*msg
;
11303 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
11306 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11310 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
11316 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11317 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11318 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
11319 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
11320 (reason_code
> 0 &&
11321 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
11322 goto nla_put_failure
;
11324 genlmsg_end(msg
, hdr
);
11326 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
11327 nl80211_mlme_mcgrp
.id
, gfp
);
11331 genlmsg_cancel(msg
, hdr
);
11334 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
11336 static int nl80211_netlink_notify(struct notifier_block
* nb
,
11337 unsigned long state
,
11340 struct netlink_notify
*notify
= _notify
;
11341 struct cfg80211_registered_device
*rdev
;
11342 struct wireless_dev
*wdev
;
11343 struct cfg80211_beacon_registration
*reg
, *tmp
;
11345 if (state
!= NETLINK_URELEASE
)
11346 return NOTIFY_DONE
;
11350 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
11351 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
)
11352 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
11354 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11355 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
11357 if (reg
->nlportid
== notify
->portid
) {
11358 list_del(®
->list
);
11363 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11368 return NOTIFY_DONE
;
11371 static struct notifier_block nl80211_netlink_notifier
= {
11372 .notifier_call
= nl80211_netlink_notify
,
11375 void cfg80211_ft_event(struct net_device
*netdev
,
11376 struct cfg80211_ft_event_params
*ft_event
)
11378 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
11379 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11380 struct sk_buff
*msg
;
11383 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
11385 if (!ft_event
->target_ap
)
11388 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11392 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
11398 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
11399 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
11400 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
);
11402 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
);
11403 if (ft_event
->ric_ies
)
11404 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
11405 ft_event
->ric_ies
);
11407 genlmsg_end(msg
, hdr
);
11409 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
11410 nl80211_mlme_mcgrp
.id
, GFP_KERNEL
);
11412 EXPORT_SYMBOL(cfg80211_ft_event
);
11414 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
11416 struct cfg80211_registered_device
*rdev
;
11417 struct sk_buff
*msg
;
11421 rdev
= wiphy_to_dev(wdev
->wiphy
);
11422 if (!rdev
->crit_proto_nlportid
)
11425 nlportid
= rdev
->crit_proto_nlportid
;
11426 rdev
->crit_proto_nlportid
= 0;
11428 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11432 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
11434 goto nla_put_failure
;
11436 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11437 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11438 goto nla_put_failure
;
11440 genlmsg_end(msg
, hdr
);
11442 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11447 genlmsg_cancel(msg
, hdr
);
11451 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
11453 /* initialisation/exit functions */
11455 int nl80211_init(void)
11459 err
= genl_register_family_with_ops(&nl80211_fam
,
11460 nl80211_ops
, ARRAY_SIZE(nl80211_ops
));
11464 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_config_mcgrp
);
11468 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_scan_mcgrp
);
11472 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_regulatory_mcgrp
);
11476 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_mlme_mcgrp
);
11480 #ifdef CONFIG_NL80211_TESTMODE
11481 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_testmode_mcgrp
);
11486 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
11492 genl_unregister_family(&nl80211_fam
);
11496 void nl80211_exit(void)
11498 netlink_unregister_notifier(&nl80211_netlink_notifier
);
11499 genl_unregister_family(&nl80211_fam
);