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
},
362 /* policy for the key attributes */
363 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
364 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
365 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
366 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
367 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
368 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
369 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
370 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
371 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
374 /* policy for the key default flags */
375 static const struct nla_policy
376 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
377 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
378 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
381 /* policy for WoWLAN attributes */
382 static const struct nla_policy
383 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
384 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
385 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
386 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
387 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
388 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
389 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
390 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
391 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
392 [NL80211_WOWLAN_TRIG_TCP_CONNECTION
] = { .type
= NLA_NESTED
},
395 static const struct nla_policy
396 nl80211_wowlan_tcp_policy
[NUM_NL80211_WOWLAN_TCP
] = {
397 [NL80211_WOWLAN_TCP_SRC_IPV4
] = { .type
= NLA_U32
},
398 [NL80211_WOWLAN_TCP_DST_IPV4
] = { .type
= NLA_U32
},
399 [NL80211_WOWLAN_TCP_DST_MAC
] = { .len
= ETH_ALEN
},
400 [NL80211_WOWLAN_TCP_SRC_PORT
] = { .type
= NLA_U16
},
401 [NL80211_WOWLAN_TCP_DST_PORT
] = { .type
= NLA_U16
},
402 [NL80211_WOWLAN_TCP_DATA_PAYLOAD
] = { .len
= 1 },
403 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
] = {
404 .len
= sizeof(struct nl80211_wowlan_tcp_data_seq
)
406 [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
] = {
407 .len
= sizeof(struct nl80211_wowlan_tcp_data_token
)
409 [NL80211_WOWLAN_TCP_DATA_INTERVAL
] = { .type
= NLA_U32
},
410 [NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] = { .len
= 1 },
411 [NL80211_WOWLAN_TCP_WAKE_MASK
] = { .len
= 1 },
414 /* policy for coalesce rule attributes */
415 static const struct nla_policy
416 nl80211_coalesce_policy
[NUM_NL80211_ATTR_COALESCE_RULE
] = {
417 [NL80211_ATTR_COALESCE_RULE_DELAY
] = { .type
= NLA_U32
},
418 [NL80211_ATTR_COALESCE_RULE_CONDITION
] = { .type
= NLA_U32
},
419 [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
] = { .type
= NLA_NESTED
},
422 /* policy for GTK rekey offload attributes */
423 static const struct nla_policy
424 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
425 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
426 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
427 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
430 static const struct nla_policy
431 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
432 [NL80211_SCHED_SCAN_MATCH_ATTR_SSID
] = { .type
= NLA_BINARY
,
433 .len
= IEEE80211_MAX_SSID_LEN
},
434 [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
] = { .type
= NLA_U32
},
437 static int nl80211_prepare_wdev_dump(struct sk_buff
*skb
,
438 struct netlink_callback
*cb
,
439 struct cfg80211_registered_device
**rdev
,
440 struct wireless_dev
**wdev
)
447 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
448 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
453 *wdev
= __cfg80211_wdev_from_attrs(sock_net(skb
->sk
),
454 nl80211_fam
.attrbuf
);
456 err
= PTR_ERR(*wdev
);
459 *rdev
= wiphy_to_dev((*wdev
)->wiphy
);
460 /* 0 is the first index - add 1 to parse only once */
461 cb
->args
[0] = (*rdev
)->wiphy_idx
+ 1;
462 cb
->args
[1] = (*wdev
)->identifier
;
464 /* subtract the 1 again here */
465 struct wiphy
*wiphy
= wiphy_idx_to_wiphy(cb
->args
[0] - 1);
466 struct wireless_dev
*tmp
;
472 *rdev
= wiphy_to_dev(wiphy
);
475 list_for_each_entry(tmp
, &(*rdev
)->wdev_list
, list
) {
476 if (tmp
->identifier
== cb
->args
[1]) {
494 static void nl80211_finish_wdev_dump(struct cfg80211_registered_device
*rdev
)
500 static bool is_valid_ie_attr(const struct nlattr
*attr
)
508 pos
= nla_data(attr
);
529 /* message building helper */
530 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 portid
, u32 seq
,
533 /* since there is no private header just add the generic one */
534 return genlmsg_put(skb
, portid
, seq
, &nl80211_fam
, flags
, cmd
);
537 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
538 struct ieee80211_channel
*chan
,
541 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
543 goto nla_put_failure
;
545 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
546 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
547 goto nla_put_failure
;
548 if (chan
->flags
& IEEE80211_CHAN_NO_IR
) {
549 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IR
))
550 goto nla_put_failure
;
551 if (nla_put_flag(msg
, __NL80211_FREQUENCY_ATTR_NO_IBSS
))
552 goto nla_put_failure
;
554 if (chan
->flags
& IEEE80211_CHAN_RADAR
) {
555 if (nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
556 goto nla_put_failure
;
560 time
= elapsed_jiffies_msecs(chan
->dfs_state_entered
);
562 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_STATE
,
564 goto nla_put_failure
;
565 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_DFS_TIME
,
567 goto nla_put_failure
;
572 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40MINUS
) &&
573 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS
))
574 goto nla_put_failure
;
575 if ((chan
->flags
& IEEE80211_CHAN_NO_HT40PLUS
) &&
576 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS
))
577 goto nla_put_failure
;
578 if ((chan
->flags
& IEEE80211_CHAN_NO_80MHZ
) &&
579 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_80MHZ
))
580 goto nla_put_failure
;
581 if ((chan
->flags
& IEEE80211_CHAN_NO_160MHZ
) &&
582 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_160MHZ
))
583 goto nla_put_failure
;
586 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
587 DBM_TO_MBM(chan
->max_power
)))
588 goto nla_put_failure
;
596 /* netlink command implementations */
603 bool def_uni
, def_multi
;
606 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
608 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
609 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
614 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
615 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
624 if (tb
[NL80211_KEY_IDX
])
625 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
627 if (tb
[NL80211_KEY_DATA
]) {
628 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
629 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
632 if (tb
[NL80211_KEY_SEQ
]) {
633 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
634 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
637 if (tb
[NL80211_KEY_CIPHER
])
638 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
640 if (tb
[NL80211_KEY_TYPE
]) {
641 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
642 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
646 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
647 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
648 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
649 tb
[NL80211_KEY_DEFAULT_TYPES
],
650 nl80211_key_default_policy
);
654 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
655 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
661 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
663 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
664 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
665 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
668 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
669 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
670 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
673 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
674 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
676 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
677 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
679 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
680 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
689 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
690 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
691 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
695 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
696 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
697 int err
= nla_parse_nested(
698 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
699 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
700 nl80211_key_default_policy
);
704 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
705 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
711 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
715 memset(k
, 0, sizeof(*k
));
719 if (info
->attrs
[NL80211_ATTR_KEY
])
720 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
722 err
= nl80211_parse_key_old(info
, k
);
727 if (k
->def
&& k
->defmgmt
)
731 if (k
->def_uni
|| !k
->def_multi
)
737 if (k
->idx
< 4 || k
->idx
> 5)
740 if (k
->idx
< 0 || k
->idx
> 3)
743 if (k
->idx
< 0 || k
->idx
> 5)
751 static struct cfg80211_cached_keys
*
752 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
753 struct nlattr
*keys
, bool *no_ht
)
755 struct key_parse parse
;
757 struct cfg80211_cached_keys
*result
;
758 int rem
, err
, def
= 0;
760 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
762 return ERR_PTR(-ENOMEM
);
765 result
->defmgmt
= -1;
767 nla_for_each_nested(key
, keys
, rem
) {
768 memset(&parse
, 0, sizeof(parse
));
771 err
= nl80211_parse_key_new(key
, &parse
);
777 if (parse
.idx
< 0 || parse
.idx
> 4)
783 result
->def
= parse
.idx
;
784 if (!parse
.def_uni
|| !parse
.def_multi
)
786 } else if (parse
.defmgmt
)
788 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
789 parse
.idx
, false, NULL
);
792 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
793 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
794 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
795 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
797 if (parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP40
||
798 parse
.p
.cipher
== WLAN_CIPHER_SUITE_WEP104
) {
810 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
812 ASSERT_WDEV_LOCK(wdev
);
814 switch (wdev
->iftype
) {
815 case NL80211_IFTYPE_AP
:
816 case NL80211_IFTYPE_AP_VLAN
:
817 case NL80211_IFTYPE_P2P_GO
:
818 case NL80211_IFTYPE_MESH_POINT
:
820 case NL80211_IFTYPE_ADHOC
:
821 case NL80211_IFTYPE_STATION
:
822 case NL80211_IFTYPE_P2P_CLIENT
:
823 if (!wdev
->current_bss
)
833 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
835 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
839 goto nla_put_failure
;
843 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
844 goto nla_put_failure
;
849 nla_nest_end(msg
, nl_modes
);
856 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
860 struct nlattr
*nl_combis
;
863 nl_combis
= nla_nest_start(msg
,
864 NL80211_ATTR_INTERFACE_COMBINATIONS
);
866 goto nla_put_failure
;
868 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
869 const struct ieee80211_iface_combination
*c
;
870 struct nlattr
*nl_combi
, *nl_limits
;
872 c
= &wiphy
->iface_combinations
[i
];
874 nl_combi
= nla_nest_start(msg
, i
+ 1);
876 goto nla_put_failure
;
878 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
880 goto nla_put_failure
;
882 for (j
= 0; j
< c
->n_limits
; j
++) {
883 struct nlattr
*nl_limit
;
885 nl_limit
= nla_nest_start(msg
, j
+ 1);
887 goto nla_put_failure
;
888 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
890 goto nla_put_failure
;
891 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
893 goto nla_put_failure
;
894 nla_nest_end(msg
, nl_limit
);
897 nla_nest_end(msg
, nl_limits
);
899 if (c
->beacon_int_infra_match
&&
900 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
901 goto nla_put_failure
;
902 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
903 c
->num_different_channels
) ||
904 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
906 goto nla_put_failure
;
908 nla_put_u32(msg
, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS
,
909 c
->radar_detect_widths
))
910 goto nla_put_failure
;
912 nla_nest_end(msg
, nl_combi
);
915 nla_nest_end(msg
, nl_combis
);
923 static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device
*rdev
,
926 const struct wiphy_wowlan_tcp_support
*tcp
= rdev
->wiphy
.wowlan
->tcp
;
927 struct nlattr
*nl_tcp
;
932 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
936 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
937 tcp
->data_payload_max
))
940 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
941 tcp
->data_payload_max
))
944 if (tcp
->seq
&& nla_put_flag(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
))
947 if (tcp
->tok
&& nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
948 sizeof(*tcp
->tok
), tcp
->tok
))
951 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
952 tcp
->data_interval_max
))
955 if (nla_put_u32(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
956 tcp
->wake_payload_max
))
959 nla_nest_end(msg
, nl_tcp
);
963 static int nl80211_send_wowlan(struct sk_buff
*msg
,
964 struct cfg80211_registered_device
*dev
,
967 struct nlattr
*nl_wowlan
;
969 if (!dev
->wiphy
.wowlan
)
972 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
976 if (((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_ANY
) &&
977 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
978 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
) &&
979 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
980 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
981 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
982 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
983 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
984 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
985 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
986 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
987 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
988 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
989 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
990 ((dev
->wiphy
.wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
991 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
994 if (dev
->wiphy
.wowlan
->n_patterns
) {
995 struct nl80211_pattern_support pat
= {
996 .max_patterns
= dev
->wiphy
.wowlan
->n_patterns
,
997 .min_pattern_len
= dev
->wiphy
.wowlan
->pattern_min_len
,
998 .max_pattern_len
= dev
->wiphy
.wowlan
->pattern_max_len
,
999 .max_pkt_offset
= dev
->wiphy
.wowlan
->max_pkt_offset
,
1002 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1007 if (large
&& nl80211_send_wowlan_tcp_caps(dev
, msg
))
1010 nla_nest_end(msg
, nl_wowlan
);
1016 static int nl80211_send_coalesce(struct sk_buff
*msg
,
1017 struct cfg80211_registered_device
*dev
)
1019 struct nl80211_coalesce_rule_support rule
;
1021 if (!dev
->wiphy
.coalesce
)
1024 rule
.max_rules
= dev
->wiphy
.coalesce
->n_rules
;
1025 rule
.max_delay
= dev
->wiphy
.coalesce
->max_delay
;
1026 rule
.pat
.max_patterns
= dev
->wiphy
.coalesce
->n_patterns
;
1027 rule
.pat
.min_pattern_len
= dev
->wiphy
.coalesce
->pattern_min_len
;
1028 rule
.pat
.max_pattern_len
= dev
->wiphy
.coalesce
->pattern_max_len
;
1029 rule
.pat
.max_pkt_offset
= dev
->wiphy
.coalesce
->max_pkt_offset
;
1031 if (nla_put(msg
, NL80211_ATTR_COALESCE_RULE
, sizeof(rule
), &rule
))
1037 static int nl80211_send_band_rateinfo(struct sk_buff
*msg
,
1038 struct ieee80211_supported_band
*sband
)
1040 struct nlattr
*nl_rates
, *nl_rate
;
1041 struct ieee80211_rate
*rate
;
1045 if (sband
->ht_cap
.ht_supported
&&
1046 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
1047 sizeof(sband
->ht_cap
.mcs
),
1048 &sband
->ht_cap
.mcs
) ||
1049 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
1050 sband
->ht_cap
.cap
) ||
1051 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
1052 sband
->ht_cap
.ampdu_factor
) ||
1053 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
1054 sband
->ht_cap
.ampdu_density
)))
1058 if (sband
->vht_cap
.vht_supported
&&
1059 (nla_put(msg
, NL80211_BAND_ATTR_VHT_MCS_SET
,
1060 sizeof(sband
->vht_cap
.vht_mcs
),
1061 &sband
->vht_cap
.vht_mcs
) ||
1062 nla_put_u32(msg
, NL80211_BAND_ATTR_VHT_CAPA
,
1063 sband
->vht_cap
.cap
)))
1067 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
1071 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
1072 nl_rate
= nla_nest_start(msg
, i
);
1076 rate
= &sband
->bitrates
[i
];
1077 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
1080 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
1082 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
1085 nla_nest_end(msg
, nl_rate
);
1088 nla_nest_end(msg
, nl_rates
);
1094 nl80211_send_mgmt_stypes(struct sk_buff
*msg
,
1095 const struct ieee80211_txrx_stypes
*mgmt_stypes
)
1098 struct nlattr
*nl_ftypes
, *nl_ifs
;
1099 enum nl80211_iftype ift
;
1105 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
1109 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1110 nl_ftypes
= nla_nest_start(msg
, ift
);
1114 stypes
= mgmt_stypes
[ift
].tx
;
1117 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1118 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1123 nla_nest_end(msg
, nl_ftypes
);
1126 nla_nest_end(msg
, nl_ifs
);
1128 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1132 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1133 nl_ftypes
= nla_nest_start(msg
, ift
);
1137 stypes
= mgmt_stypes
[ift
].rx
;
1140 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1141 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1146 nla_nest_end(msg
, nl_ftypes
);
1148 nla_nest_end(msg
, nl_ifs
);
1153 struct nl80211_dump_wiphy_state
{
1156 long split_start
, band_start
, chan_start
;
1160 static int nl80211_send_wiphy(struct cfg80211_registered_device
*dev
,
1161 struct sk_buff
*msg
, u32 portid
, u32 seq
,
1162 int flags
, struct nl80211_dump_wiphy_state
*state
)
1165 struct nlattr
*nl_bands
, *nl_band
;
1166 struct nlattr
*nl_freqs
, *nl_freq
;
1167 struct nlattr
*nl_cmds
;
1168 enum ieee80211_band band
;
1169 struct ieee80211_channel
*chan
;
1171 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
1172 dev
->wiphy
.mgmt_stypes
;
1175 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_WIPHY
);
1179 if (WARN_ON(!state
))
1182 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, dev
->wiphy_idx
) ||
1183 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
,
1184 wiphy_name(&dev
->wiphy
)) ||
1185 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1186 cfg80211_rdev_list_generation
))
1187 goto nla_put_failure
;
1189 switch (state
->split_start
) {
1191 if (nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
1192 dev
->wiphy
.retry_short
) ||
1193 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
1194 dev
->wiphy
.retry_long
) ||
1195 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
1196 dev
->wiphy
.frag_threshold
) ||
1197 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
1198 dev
->wiphy
.rts_threshold
) ||
1199 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
1200 dev
->wiphy
.coverage_class
) ||
1201 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
1202 dev
->wiphy
.max_scan_ssids
) ||
1203 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
1204 dev
->wiphy
.max_sched_scan_ssids
) ||
1205 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
1206 dev
->wiphy
.max_scan_ie_len
) ||
1207 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
1208 dev
->wiphy
.max_sched_scan_ie_len
) ||
1209 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
1210 dev
->wiphy
.max_match_sets
))
1211 goto nla_put_failure
;
1213 if ((dev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
1214 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
1215 goto nla_put_failure
;
1216 if ((dev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
1217 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
1218 goto nla_put_failure
;
1219 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
1220 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
1221 goto nla_put_failure
;
1222 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
1223 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
1224 goto nla_put_failure
;
1225 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
1226 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
1227 goto nla_put_failure
;
1228 if ((dev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
1229 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
1230 goto nla_put_failure
;
1231 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
) &&
1232 nla_put_flag(msg
, WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1233 goto nla_put_failure
;
1235 state
->split_start
++;
1239 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
1240 sizeof(u32
) * dev
->wiphy
.n_cipher_suites
,
1241 dev
->wiphy
.cipher_suites
))
1242 goto nla_put_failure
;
1244 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
1245 dev
->wiphy
.max_num_pmkids
))
1246 goto nla_put_failure
;
1248 if ((dev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
1249 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
1250 goto nla_put_failure
;
1252 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
1253 dev
->wiphy
.available_antennas_tx
) ||
1254 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
1255 dev
->wiphy
.available_antennas_rx
))
1256 goto nla_put_failure
;
1258 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
1259 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
1260 dev
->wiphy
.probe_resp_offload
))
1261 goto nla_put_failure
;
1263 if ((dev
->wiphy
.available_antennas_tx
||
1264 dev
->wiphy
.available_antennas_rx
) &&
1265 dev
->ops
->get_antenna
) {
1266 u32 tx_ant
= 0, rx_ant
= 0;
1268 res
= rdev_get_antenna(dev
, &tx_ant
, &rx_ant
);
1270 if (nla_put_u32(msg
,
1271 NL80211_ATTR_WIPHY_ANTENNA_TX
,
1274 NL80211_ATTR_WIPHY_ANTENNA_RX
,
1276 goto nla_put_failure
;
1280 state
->split_start
++;
1284 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
1285 dev
->wiphy
.interface_modes
))
1286 goto nla_put_failure
;
1287 state
->split_start
++;
1291 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
1293 goto nla_put_failure
;
1295 for (band
= state
->band_start
;
1296 band
< IEEE80211_NUM_BANDS
; band
++) {
1297 struct ieee80211_supported_band
*sband
;
1299 sband
= dev
->wiphy
.bands
[band
];
1304 nl_band
= nla_nest_start(msg
, band
);
1306 goto nla_put_failure
;
1308 switch (state
->chan_start
) {
1310 if (nl80211_send_band_rateinfo(msg
, sband
))
1311 goto nla_put_failure
;
1312 state
->chan_start
++;
1316 /* add frequencies */
1317 nl_freqs
= nla_nest_start(
1318 msg
, NL80211_BAND_ATTR_FREQS
);
1320 goto nla_put_failure
;
1322 for (i
= state
->chan_start
- 1;
1323 i
< sband
->n_channels
;
1325 nl_freq
= nla_nest_start(msg
, i
);
1327 goto nla_put_failure
;
1329 chan
= &sband
->channels
[i
];
1331 if (nl80211_msg_put_channel(
1334 goto nla_put_failure
;
1336 nla_nest_end(msg
, nl_freq
);
1340 if (i
< sband
->n_channels
)
1341 state
->chan_start
= i
+ 2;
1343 state
->chan_start
= 0;
1344 nla_nest_end(msg
, nl_freqs
);
1347 nla_nest_end(msg
, nl_band
);
1350 /* start again here */
1351 if (state
->chan_start
)
1356 nla_nest_end(msg
, nl_bands
);
1358 if (band
< IEEE80211_NUM_BANDS
)
1359 state
->band_start
= band
+ 1;
1361 state
->band_start
= 0;
1363 /* if bands & channels are done, continue outside */
1364 if (state
->band_start
== 0 && state
->chan_start
== 0)
1365 state
->split_start
++;
1369 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
1371 goto nla_put_failure
;
1374 #define CMD(op, n) \
1376 if (dev->ops->op) { \
1378 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
1379 goto nla_put_failure; \
1383 CMD(add_virtual_intf
, NEW_INTERFACE
);
1384 CMD(change_virtual_intf
, SET_INTERFACE
);
1385 CMD(add_key
, NEW_KEY
);
1386 CMD(start_ap
, START_AP
);
1387 CMD(add_station
, NEW_STATION
);
1388 CMD(add_mpath
, NEW_MPATH
);
1389 CMD(update_mesh_config
, SET_MESH_CONFIG
);
1390 CMD(change_bss
, SET_BSS
);
1391 CMD(auth
, AUTHENTICATE
);
1392 CMD(assoc
, ASSOCIATE
);
1393 CMD(deauth
, DEAUTHENTICATE
);
1394 CMD(disassoc
, DISASSOCIATE
);
1395 CMD(join_ibss
, JOIN_IBSS
);
1396 CMD(join_mesh
, JOIN_MESH
);
1397 CMD(set_pmksa
, SET_PMKSA
);
1398 CMD(del_pmksa
, DEL_PMKSA
);
1399 CMD(flush_pmksa
, FLUSH_PMKSA
);
1400 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
1401 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
1402 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
1403 CMD(mgmt_tx
, FRAME
);
1404 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
1405 if (dev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
1407 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
1408 goto nla_put_failure
;
1410 if (dev
->ops
->set_monitor_channel
|| dev
->ops
->start_ap
||
1411 dev
->ops
->join_mesh
) {
1413 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_CHANNEL
))
1414 goto nla_put_failure
;
1416 CMD(set_wds_peer
, SET_WDS_PEER
);
1417 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
1418 CMD(tdls_mgmt
, TDLS_MGMT
);
1419 CMD(tdls_oper
, TDLS_OPER
);
1421 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
1422 CMD(sched_scan_start
, START_SCHED_SCAN
);
1423 CMD(probe_client
, PROBE_CLIENT
);
1424 CMD(set_noack_map
, SET_NOACK_MAP
);
1425 if (dev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
1427 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
1428 goto nla_put_failure
;
1430 CMD(start_p2p_device
, START_P2P_DEVICE
);
1431 CMD(set_mcast_rate
, SET_MCAST_RATE
);
1433 CMD(crit_proto_start
, CRIT_PROTOCOL_START
);
1434 CMD(crit_proto_stop
, CRIT_PROTOCOL_STOP
);
1435 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
)
1436 CMD(channel_switch
, CHANNEL_SWITCH
);
1439 #ifdef CONFIG_NL80211_TESTMODE
1440 CMD(testmode_cmd
, TESTMODE
);
1445 if (dev
->ops
->connect
|| dev
->ops
->auth
) {
1447 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
1448 goto nla_put_failure
;
1451 if (dev
->ops
->disconnect
|| dev
->ops
->deauth
) {
1453 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
1454 goto nla_put_failure
;
1457 nla_nest_end(msg
, nl_cmds
);
1458 state
->split_start
++;
1462 if (dev
->ops
->remain_on_channel
&&
1463 (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
1465 NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
1466 dev
->wiphy
.max_remain_on_channel_duration
))
1467 goto nla_put_failure
;
1469 if ((dev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
1470 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
1471 goto nla_put_failure
;
1473 if (nl80211_send_mgmt_stypes(msg
, mgmt_stypes
))
1474 goto nla_put_failure
;
1475 state
->split_start
++;
1480 if (nl80211_send_wowlan(msg
, dev
, state
->split
))
1481 goto nla_put_failure
;
1482 state
->split_start
++;
1486 state
->split_start
++;
1489 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1490 dev
->wiphy
.software_iftypes
))
1491 goto nla_put_failure
;
1493 if (nl80211_put_iface_combinations(&dev
->wiphy
, msg
,
1495 goto nla_put_failure
;
1497 state
->split_start
++;
1501 if ((dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1502 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1503 dev
->wiphy
.ap_sme_capa
))
1504 goto nla_put_failure
;
1506 features
= dev
->wiphy
.features
;
1508 * We can only add the per-channel limit information if the
1509 * dump is split, otherwise it makes it too big. Therefore
1510 * only advertise it in that case.
1513 features
|= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS
;
1514 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
, features
))
1515 goto nla_put_failure
;
1517 if (dev
->wiphy
.ht_capa_mod_mask
&&
1518 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1519 sizeof(*dev
->wiphy
.ht_capa_mod_mask
),
1520 dev
->wiphy
.ht_capa_mod_mask
))
1521 goto nla_put_failure
;
1523 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
&&
1524 dev
->wiphy
.max_acl_mac_addrs
&&
1525 nla_put_u32(msg
, NL80211_ATTR_MAC_ACL_MAX
,
1526 dev
->wiphy
.max_acl_mac_addrs
))
1527 goto nla_put_failure
;
1530 * Any information below this point is only available to
1531 * applications that can deal with it being split. This
1532 * helps ensure that newly added capabilities don't break
1533 * older tools by overrunning their buffers.
1535 * We still increment split_start so that in the split
1536 * case we'll continue with more data in the next round,
1537 * but break unconditionally so unsplit data stops here.
1539 state
->split_start
++;
1542 if (dev
->wiphy
.extended_capabilities
&&
1543 (nla_put(msg
, NL80211_ATTR_EXT_CAPA
,
1544 dev
->wiphy
.extended_capabilities_len
,
1545 dev
->wiphy
.extended_capabilities
) ||
1546 nla_put(msg
, NL80211_ATTR_EXT_CAPA_MASK
,
1547 dev
->wiphy
.extended_capabilities_len
,
1548 dev
->wiphy
.extended_capabilities_mask
)))
1549 goto nla_put_failure
;
1551 if (dev
->wiphy
.vht_capa_mod_mask
&&
1552 nla_put(msg
, NL80211_ATTR_VHT_CAPABILITY_MASK
,
1553 sizeof(*dev
->wiphy
.vht_capa_mod_mask
),
1554 dev
->wiphy
.vht_capa_mod_mask
))
1555 goto nla_put_failure
;
1557 state
->split_start
++;
1560 if (nl80211_send_coalesce(msg
, dev
))
1561 goto nla_put_failure
;
1564 state
->split_start
= 0;
1567 return genlmsg_end(msg
, hdr
);
1570 genlmsg_cancel(msg
, hdr
);
1574 static int nl80211_dump_wiphy_parse(struct sk_buff
*skb
,
1575 struct netlink_callback
*cb
,
1576 struct nl80211_dump_wiphy_state
*state
)
1578 struct nlattr
**tb
= nl80211_fam
.attrbuf
;
1579 int ret
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1580 tb
, nl80211_fam
.maxattr
, nl80211_policy
);
1581 /* ignore parse errors for backward compatibility */
1585 state
->split
= tb
[NL80211_ATTR_SPLIT_WIPHY_DUMP
];
1586 if (tb
[NL80211_ATTR_WIPHY
])
1587 state
->filter_wiphy
= nla_get_u32(tb
[NL80211_ATTR_WIPHY
]);
1588 if (tb
[NL80211_ATTR_WDEV
])
1589 state
->filter_wiphy
= nla_get_u64(tb
[NL80211_ATTR_WDEV
]) >> 32;
1590 if (tb
[NL80211_ATTR_IFINDEX
]) {
1591 struct net_device
*netdev
;
1592 struct cfg80211_registered_device
*rdev
;
1593 int ifidx
= nla_get_u32(tb
[NL80211_ATTR_IFINDEX
]);
1595 netdev
= dev_get_by_index(sock_net(skb
->sk
), ifidx
);
1598 if (netdev
->ieee80211_ptr
) {
1599 rdev
= wiphy_to_dev(
1600 netdev
->ieee80211_ptr
->wiphy
);
1601 state
->filter_wiphy
= rdev
->wiphy_idx
;
1609 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1612 struct nl80211_dump_wiphy_state
*state
= (void *)cb
->args
[0];
1613 struct cfg80211_registered_device
*dev
;
1617 state
= kzalloc(sizeof(*state
), GFP_KERNEL
);
1622 state
->filter_wiphy
= -1;
1623 ret
= nl80211_dump_wiphy_parse(skb
, cb
, state
);
1629 cb
->args
[0] = (long)state
;
1632 list_for_each_entry(dev
, &cfg80211_rdev_list
, list
) {
1633 if (!net_eq(wiphy_net(&dev
->wiphy
), sock_net(skb
->sk
)))
1635 if (++idx
<= state
->start
)
1637 if (state
->filter_wiphy
!= -1 &&
1638 state
->filter_wiphy
!= dev
->wiphy_idx
)
1640 /* attempt to fit multiple wiphy data chunks into the skb */
1642 ret
= nl80211_send_wiphy(dev
, skb
,
1643 NETLINK_CB(cb
->skb
).portid
,
1645 NLM_F_MULTI
, state
);
1648 * If sending the wiphy data didn't fit (ENOBUFS
1649 * or EMSGSIZE returned), this SKB is still
1650 * empty (so it's not too big because another
1651 * wiphy dataset is already in the skb) and
1652 * we've not tried to adjust the dump allocation
1653 * yet ... then adjust the alloc size to be
1654 * bigger, and return 1 but with the empty skb.
1655 * This results in an empty message being RX'ed
1656 * in userspace, but that is ignored.
1658 * We can then retry with the larger buffer.
1660 if ((ret
== -ENOBUFS
|| ret
== -EMSGSIZE
) &&
1662 cb
->min_dump_alloc
< 4096) {
1663 cb
->min_dump_alloc
= 4096;
1670 } while (state
->split_start
> 0);
1680 static int nl80211_dump_wiphy_done(struct netlink_callback
*cb
)
1682 kfree((void *)cb
->args
[0]);
1686 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1688 struct sk_buff
*msg
;
1689 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1690 struct nl80211_dump_wiphy_state state
= {};
1692 msg
= nlmsg_new(4096, GFP_KERNEL
);
1696 if (nl80211_send_wiphy(dev
, msg
, info
->snd_portid
, info
->snd_seq
, 0,
1702 return genlmsg_reply(msg
, info
);
1705 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1706 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1707 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1708 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1709 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1710 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1713 static int parse_txq_params(struct nlattr
*tb
[],
1714 struct ieee80211_txq_params
*txq_params
)
1716 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1717 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1718 !tb
[NL80211_TXQ_ATTR_AIFS
])
1721 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1722 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1723 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1724 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1725 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1727 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1733 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1736 * You can only set the channel explicitly for WDS interfaces,
1737 * all others have their channel managed via their respective
1738 * "establish a connection" command (connect, join, ...)
1740 * For AP/GO and mesh mode, the channel can be set with the
1741 * channel userspace API, but is only stored and passed to the
1742 * low-level driver when the AP starts or the mesh is joined.
1743 * This is for backward compatibility, userspace can also give
1744 * the channel in the start-ap or join-mesh commands instead.
1746 * Monitors are special as they are normally slaved to
1747 * whatever else is going on, so they have their own special
1748 * operation to set the monitor channel if possible.
1751 wdev
->iftype
== NL80211_IFTYPE_AP
||
1752 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1753 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1754 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1757 static int nl80211_parse_chandef(struct cfg80211_registered_device
*rdev
,
1758 struct genl_info
*info
,
1759 struct cfg80211_chan_def
*chandef
)
1763 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1766 control_freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1768 chandef
->chan
= ieee80211_get_channel(&rdev
->wiphy
, control_freq
);
1769 chandef
->width
= NL80211_CHAN_WIDTH_20_NOHT
;
1770 chandef
->center_freq1
= control_freq
;
1771 chandef
->center_freq2
= 0;
1773 /* Primary channel not allowed */
1774 if (!chandef
->chan
|| chandef
->chan
->flags
& IEEE80211_CHAN_DISABLED
)
1777 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1778 enum nl80211_channel_type chantype
;
1780 chantype
= nla_get_u32(
1781 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1784 case NL80211_CHAN_NO_HT
:
1785 case NL80211_CHAN_HT20
:
1786 case NL80211_CHAN_HT40PLUS
:
1787 case NL80211_CHAN_HT40MINUS
:
1788 cfg80211_chandef_create(chandef
, chandef
->chan
,
1794 } else if (info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]) {
1796 nla_get_u32(info
->attrs
[NL80211_ATTR_CHANNEL_WIDTH
]);
1797 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ1
])
1798 chandef
->center_freq1
=
1800 info
->attrs
[NL80211_ATTR_CENTER_FREQ1
]);
1801 if (info
->attrs
[NL80211_ATTR_CENTER_FREQ2
])
1802 chandef
->center_freq2
=
1804 info
->attrs
[NL80211_ATTR_CENTER_FREQ2
]);
1807 if (!cfg80211_chandef_valid(chandef
))
1810 if (!cfg80211_chandef_usable(&rdev
->wiphy
, chandef
,
1811 IEEE80211_CHAN_DISABLED
))
1814 if ((chandef
->width
== NL80211_CHAN_WIDTH_5
||
1815 chandef
->width
== NL80211_CHAN_WIDTH_10
) &&
1816 !(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_5_10_MHZ
))
1822 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1823 struct wireless_dev
*wdev
,
1824 struct genl_info
*info
)
1826 struct cfg80211_chan_def chandef
;
1828 enum nl80211_iftype iftype
= NL80211_IFTYPE_MONITOR
;
1831 iftype
= wdev
->iftype
;
1833 if (!nl80211_can_set_dev_channel(wdev
))
1836 result
= nl80211_parse_chandef(rdev
, info
, &chandef
);
1841 case NL80211_IFTYPE_AP
:
1842 case NL80211_IFTYPE_P2P_GO
:
1843 if (wdev
->beacon_interval
) {
1847 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &chandef
)) {
1851 wdev
->preset_chandef
= chandef
;
1854 case NL80211_IFTYPE_MESH_POINT
:
1855 result
= cfg80211_set_mesh_channel(rdev
, wdev
, &chandef
);
1857 case NL80211_IFTYPE_MONITOR
:
1858 result
= cfg80211_set_monitor_channel(rdev
, &chandef
);
1867 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
1869 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1870 struct net_device
*netdev
= info
->user_ptr
[1];
1872 return __nl80211_set_channel(rdev
, netdev
->ieee80211_ptr
, info
);
1875 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
1877 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1878 struct net_device
*dev
= info
->user_ptr
[1];
1879 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1882 if (!info
->attrs
[NL80211_ATTR_MAC
])
1885 if (netif_running(dev
))
1888 if (!rdev
->ops
->set_wds_peer
)
1891 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
1894 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1895 return rdev_set_wds_peer(rdev
, dev
, bssid
);
1899 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1901 struct cfg80211_registered_device
*rdev
;
1902 struct net_device
*netdev
= NULL
;
1903 struct wireless_dev
*wdev
;
1904 int result
= 0, rem_txq_params
= 0;
1905 struct nlattr
*nl_txq_params
;
1907 u8 retry_short
= 0, retry_long
= 0;
1908 u32 frag_threshold
= 0, rts_threshold
= 0;
1909 u8 coverage_class
= 0;
1914 * Try to find the wiphy and netdev. Normally this
1915 * function shouldn't need the netdev, but this is
1916 * done for backward compatibility -- previously
1917 * setting the channel was done per wiphy, but now
1918 * it is per netdev. Previous userland like hostapd
1919 * also passed a netdev to set_wiphy, so that it is
1920 * possible to let that go to the right netdev!
1923 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
1924 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
1926 netdev
= dev_get_by_index(genl_info_net(info
), ifindex
);
1927 if (netdev
&& netdev
->ieee80211_ptr
)
1928 rdev
= wiphy_to_dev(netdev
->ieee80211_ptr
->wiphy
);
1934 rdev
= __cfg80211_rdev_from_attrs(genl_info_net(info
),
1937 return PTR_ERR(rdev
);
1942 wdev
= netdev
->ieee80211_ptr
;
1945 * end workaround code, by now the rdev is available
1946 * and locked, and wdev may or may not be NULL.
1949 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
1950 result
= cfg80211_dev_rename(
1951 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
1956 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
1957 struct ieee80211_txq_params txq_params
;
1958 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
1960 if (!rdev
->ops
->set_txq_params
) {
1961 result
= -EOPNOTSUPP
;
1970 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
1971 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
1976 if (!netif_running(netdev
)) {
1981 nla_for_each_nested(nl_txq_params
,
1982 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
1984 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
1985 nla_data(nl_txq_params
),
1986 nla_len(nl_txq_params
),
1988 result
= parse_txq_params(tb
, &txq_params
);
1992 result
= rdev_set_txq_params(rdev
, netdev
,
1999 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2000 result
= __nl80211_set_channel(rdev
,
2001 nl80211_can_set_dev_channel(wdev
) ? wdev
: NULL
,
2007 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
2008 struct wireless_dev
*txp_wdev
= wdev
;
2009 enum nl80211_tx_power_setting type
;
2012 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_VIF_TXPOWER
))
2015 if (!rdev
->ops
->set_tx_power
) {
2016 result
= -EOPNOTSUPP
;
2020 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
2021 type
= nla_get_u32(info
->attrs
[idx
]);
2023 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
2024 (type
!= NL80211_TX_POWER_AUTOMATIC
)) {
2029 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
2030 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
2031 mbm
= nla_get_u32(info
->attrs
[idx
]);
2034 result
= rdev_set_tx_power(rdev
, txp_wdev
, type
, mbm
);
2039 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
2040 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
2042 if ((!rdev
->wiphy
.available_antennas_tx
&&
2043 !rdev
->wiphy
.available_antennas_rx
) ||
2044 !rdev
->ops
->set_antenna
) {
2045 result
= -EOPNOTSUPP
;
2049 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
2050 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
2052 /* reject antenna configurations which don't match the
2053 * available antenna masks, except for the "all" mask */
2054 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
2055 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
))) {
2060 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
2061 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
2063 result
= rdev_set_antenna(rdev
, tx_ant
, rx_ant
);
2070 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
2071 retry_short
= nla_get_u8(
2072 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
2073 if (retry_short
== 0) {
2077 changed
|= WIPHY_PARAM_RETRY_SHORT
;
2080 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
2081 retry_long
= nla_get_u8(
2082 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
2083 if (retry_long
== 0) {
2087 changed
|= WIPHY_PARAM_RETRY_LONG
;
2090 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
2091 frag_threshold
= nla_get_u32(
2092 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
2093 if (frag_threshold
< 256) {
2097 if (frag_threshold
!= (u32
) -1) {
2099 * Fragments (apart from the last one) are required to
2100 * have even length. Make the fragmentation code
2101 * simpler by stripping LSB should someone try to use
2102 * odd threshold value.
2104 frag_threshold
&= ~0x1;
2106 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
2109 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
2110 rts_threshold
= nla_get_u32(
2111 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
2112 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
2115 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
2116 coverage_class
= nla_get_u8(
2117 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
2118 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
2122 u8 old_retry_short
, old_retry_long
;
2123 u32 old_frag_threshold
, old_rts_threshold
;
2124 u8 old_coverage_class
;
2126 if (!rdev
->ops
->set_wiphy_params
) {
2127 result
= -EOPNOTSUPP
;
2131 old_retry_short
= rdev
->wiphy
.retry_short
;
2132 old_retry_long
= rdev
->wiphy
.retry_long
;
2133 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
2134 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
2135 old_coverage_class
= rdev
->wiphy
.coverage_class
;
2137 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
2138 rdev
->wiphy
.retry_short
= retry_short
;
2139 if (changed
& WIPHY_PARAM_RETRY_LONG
)
2140 rdev
->wiphy
.retry_long
= retry_long
;
2141 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
2142 rdev
->wiphy
.frag_threshold
= frag_threshold
;
2143 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
2144 rdev
->wiphy
.rts_threshold
= rts_threshold
;
2145 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
2146 rdev
->wiphy
.coverage_class
= coverage_class
;
2148 result
= rdev_set_wiphy_params(rdev
, changed
);
2150 rdev
->wiphy
.retry_short
= old_retry_short
;
2151 rdev
->wiphy
.retry_long
= old_retry_long
;
2152 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
2153 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
2154 rdev
->wiphy
.coverage_class
= old_coverage_class
;
2164 static inline u64
wdev_id(struct wireless_dev
*wdev
)
2166 return (u64
)wdev
->identifier
|
2167 ((u64
)wiphy_to_dev(wdev
->wiphy
)->wiphy_idx
<< 32);
2170 static int nl80211_send_chandef(struct sk_buff
*msg
,
2171 struct cfg80211_chan_def
*chandef
)
2173 WARN_ON(!cfg80211_chandef_valid(chandef
));
2175 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
2176 chandef
->chan
->center_freq
))
2178 switch (chandef
->width
) {
2179 case NL80211_CHAN_WIDTH_20_NOHT
:
2180 case NL80211_CHAN_WIDTH_20
:
2181 case NL80211_CHAN_WIDTH_40
:
2182 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
2183 cfg80211_get_chandef_type(chandef
)))
2189 if (nla_put_u32(msg
, NL80211_ATTR_CHANNEL_WIDTH
, chandef
->width
))
2191 if (nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ1
, chandef
->center_freq1
))
2193 if (chandef
->center_freq2
&&
2194 nla_put_u32(msg
, NL80211_ATTR_CENTER_FREQ2
, chandef
->center_freq2
))
2199 static int nl80211_send_iface(struct sk_buff
*msg
, u32 portid
, u32 seq
, int flags
,
2200 struct cfg80211_registered_device
*rdev
,
2201 struct wireless_dev
*wdev
)
2203 struct net_device
*dev
= wdev
->netdev
;
2206 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
2211 (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2212 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
)))
2213 goto nla_put_failure
;
2215 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
2216 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
, wdev
->iftype
) ||
2217 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
2218 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, wdev_address(wdev
)) ||
2219 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
2220 rdev
->devlist_generation
^
2221 (cfg80211_rdev_list_generation
<< 2)))
2222 goto nla_put_failure
;
2224 if (rdev
->ops
->get_channel
) {
2226 struct cfg80211_chan_def chandef
;
2228 ret
= rdev_get_channel(rdev
, wdev
, &chandef
);
2230 if (nl80211_send_chandef(msg
, &chandef
))
2231 goto nla_put_failure
;
2235 if (wdev
->ssid_len
) {
2236 if (nla_put(msg
, NL80211_ATTR_SSID
, wdev
->ssid_len
, wdev
->ssid
))
2237 goto nla_put_failure
;
2240 return genlmsg_end(msg
, hdr
);
2243 genlmsg_cancel(msg
, hdr
);
2247 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
2251 int wp_start
= cb
->args
[0];
2252 int if_start
= cb
->args
[1];
2253 struct cfg80211_registered_device
*rdev
;
2254 struct wireless_dev
*wdev
;
2257 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
2258 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
2260 if (wp_idx
< wp_start
) {
2266 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
2267 if (if_idx
< if_start
) {
2271 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).portid
,
2272 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2284 cb
->args
[0] = wp_idx
;
2285 cb
->args
[1] = if_idx
;
2290 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2292 struct sk_buff
*msg
;
2293 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
2294 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2296 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2300 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2306 return genlmsg_reply(msg
, info
);
2309 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
2310 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
2311 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
2312 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
2313 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
2314 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
2315 [NL80211_MNTR_FLAG_ACTIVE
] = { .type
= NLA_FLAG
},
2318 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
2320 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
2328 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
2329 nla
, mntr_flags_policy
))
2332 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
2334 *mntrflags
|= (1<<flag
);
2339 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
2340 struct net_device
*netdev
, u8 use_4addr
,
2341 enum nl80211_iftype iftype
)
2344 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
2350 case NL80211_IFTYPE_AP_VLAN
:
2351 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
2354 case NL80211_IFTYPE_STATION
:
2355 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
2365 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2367 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2368 struct vif_params params
;
2370 enum nl80211_iftype otype
, ntype
;
2371 struct net_device
*dev
= info
->user_ptr
[1];
2372 u32 _flags
, *flags
= NULL
;
2373 bool change
= false;
2375 memset(¶ms
, 0, sizeof(params
));
2377 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
2379 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2380 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2383 if (ntype
> NL80211_IFTYPE_MAX
)
2387 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
2388 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2390 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
2392 if (netif_running(dev
))
2396 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2397 IEEE80211_MAX_MESH_ID_LEN
);
2398 wdev
->mesh_id_up_len
=
2399 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2400 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2401 wdev
->mesh_id_up_len
);
2405 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2406 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2408 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
2412 params
.use_4addr
= -1;
2415 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
2416 if (ntype
!= NL80211_IFTYPE_MONITOR
)
2418 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
2427 if (flags
&& (*flags
& MONITOR_FLAG_ACTIVE
) &&
2428 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2432 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
2436 if (!err
&& params
.use_4addr
!= -1)
2437 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
2442 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2444 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2445 struct vif_params params
;
2446 struct wireless_dev
*wdev
;
2447 struct sk_buff
*msg
;
2449 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
2452 memset(¶ms
, 0, sizeof(params
));
2454 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
2457 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
2458 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
2459 if (type
> NL80211_IFTYPE_MAX
)
2463 if (!rdev
->ops
->add_virtual_intf
||
2464 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
2467 if (type
== NL80211_IFTYPE_P2P_DEVICE
&& info
->attrs
[NL80211_ATTR_MAC
]) {
2468 nla_memcpy(params
.macaddr
, info
->attrs
[NL80211_ATTR_MAC
],
2470 if (!is_valid_ether_addr(params
.macaddr
))
2471 return -EADDRNOTAVAIL
;
2474 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
2475 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
2476 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
2481 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2485 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
2486 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
2489 if (!err
&& (flags
& MONITOR_FLAG_ACTIVE
) &&
2490 !(rdev
->wiphy
.features
& NL80211_FEATURE_ACTIVE_MONITOR
))
2493 wdev
= rdev_add_virtual_intf(rdev
,
2494 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
2495 type
, err
? NULL
: &flags
, ¶ms
);
2498 return PTR_ERR(wdev
);
2502 case NL80211_IFTYPE_MESH_POINT
:
2503 if (!info
->attrs
[NL80211_ATTR_MESH_ID
])
2506 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
2507 IEEE80211_MAX_MESH_ID_LEN
);
2508 wdev
->mesh_id_up_len
=
2509 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
2510 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
2511 wdev
->mesh_id_up_len
);
2514 case NL80211_IFTYPE_P2P_DEVICE
:
2516 * P2P Device doesn't have a netdev, so doesn't go
2517 * through the netdev notifier and must be added here
2519 mutex_init(&wdev
->mtx
);
2520 INIT_LIST_HEAD(&wdev
->event_list
);
2521 spin_lock_init(&wdev
->event_lock
);
2522 INIT_LIST_HEAD(&wdev
->mgmt_registrations
);
2523 spin_lock_init(&wdev
->mgmt_registrations_lock
);
2525 wdev
->identifier
= ++rdev
->wdev_id
;
2526 list_add_rcu(&wdev
->list
, &rdev
->wdev_list
);
2527 rdev
->devlist_generation
++;
2533 if (nl80211_send_iface(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2539 return genlmsg_reply(msg
, info
);
2542 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
2544 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2545 struct wireless_dev
*wdev
= info
->user_ptr
[1];
2547 if (!rdev
->ops
->del_virtual_intf
)
2551 * If we remove a wireless device without a netdev then clear
2552 * user_ptr[1] so that nl80211_post_doit won't dereference it
2553 * to check if it needs to do dev_put(). Otherwise it crashes
2554 * since the wdev has been freed, unlike with a netdev where
2555 * we need the dev_put() for the netdev to really be freed.
2558 info
->user_ptr
[1] = NULL
;
2560 return rdev_del_virtual_intf(rdev
, wdev
);
2563 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
2565 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2566 struct net_device
*dev
= info
->user_ptr
[1];
2569 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
2572 if (!rdev
->ops
->set_noack_map
)
2575 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
2577 return rdev_set_noack_map(rdev
, dev
, noack_map
);
2580 struct get_key_cookie
{
2581 struct sk_buff
*msg
;
2586 static void get_key_callback(void *c
, struct key_params
*params
)
2589 struct get_key_cookie
*cookie
= c
;
2592 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
2593 params
->key_len
, params
->key
)) ||
2595 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
2596 params
->seq_len
, params
->seq
)) ||
2598 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
2600 goto nla_put_failure
;
2602 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
2604 goto nla_put_failure
;
2607 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
2608 params
->key_len
, params
->key
)) ||
2610 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
2611 params
->seq_len
, params
->seq
)) ||
2613 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
2615 goto nla_put_failure
;
2617 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
2618 goto nla_put_failure
;
2620 nla_nest_end(cookie
->msg
, key
);
2627 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
2629 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2631 struct net_device
*dev
= info
->user_ptr
[1];
2633 const u8
*mac_addr
= NULL
;
2635 struct get_key_cookie cookie
= {
2639 struct sk_buff
*msg
;
2641 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
2642 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
2647 if (info
->attrs
[NL80211_ATTR_MAC
])
2648 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2650 pairwise
= !!mac_addr
;
2651 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
2652 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
2653 if (kt
>= NUM_NL80211_KEYTYPES
)
2655 if (kt
!= NL80211_KEYTYPE_GROUP
&&
2656 kt
!= NL80211_KEYTYPE_PAIRWISE
)
2658 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
2661 if (!rdev
->ops
->get_key
)
2664 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2668 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
2669 NL80211_CMD_NEW_KEY
);
2674 cookie
.idx
= key_idx
;
2676 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2677 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
2678 goto nla_put_failure
;
2680 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
2681 goto nla_put_failure
;
2683 if (pairwise
&& mac_addr
&&
2684 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2687 err
= rdev_get_key(rdev
, dev
, key_idx
, pairwise
, mac_addr
, &cookie
,
2694 goto nla_put_failure
;
2696 genlmsg_end(msg
, hdr
);
2697 return genlmsg_reply(msg
, info
);
2706 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
2708 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2709 struct key_parse key
;
2711 struct net_device
*dev
= info
->user_ptr
[1];
2713 err
= nl80211_parse_key(info
, &key
);
2720 /* only support setting default key */
2721 if (!key
.def
&& !key
.defmgmt
)
2724 wdev_lock(dev
->ieee80211_ptr
);
2727 if (!rdev
->ops
->set_default_key
) {
2732 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2736 err
= rdev_set_default_key(rdev
, dev
, key
.idx
,
2737 key
.def_uni
, key
.def_multi
);
2742 #ifdef CONFIG_CFG80211_WEXT
2743 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2746 if (key
.def_uni
|| !key
.def_multi
) {
2751 if (!rdev
->ops
->set_default_mgmt_key
) {
2756 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2760 err
= rdev_set_default_mgmt_key(rdev
, dev
, key
.idx
);
2764 #ifdef CONFIG_CFG80211_WEXT
2765 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2770 wdev_unlock(dev
->ieee80211_ptr
);
2775 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2777 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2779 struct net_device
*dev
= info
->user_ptr
[1];
2780 struct key_parse key
;
2781 const u8
*mac_addr
= NULL
;
2783 err
= nl80211_parse_key(info
, &key
);
2790 if (info
->attrs
[NL80211_ATTR_MAC
])
2791 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2793 if (key
.type
== -1) {
2795 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2797 key
.type
= NL80211_KEYTYPE_GROUP
;
2801 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2802 key
.type
!= NL80211_KEYTYPE_GROUP
)
2805 if (!rdev
->ops
->add_key
)
2808 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
2809 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2813 wdev_lock(dev
->ieee80211_ptr
);
2814 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2816 err
= rdev_add_key(rdev
, dev
, key
.idx
,
2817 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2819 wdev_unlock(dev
->ieee80211_ptr
);
2824 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
2826 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2828 struct net_device
*dev
= info
->user_ptr
[1];
2829 u8
*mac_addr
= NULL
;
2830 struct key_parse key
;
2832 err
= nl80211_parse_key(info
, &key
);
2836 if (info
->attrs
[NL80211_ATTR_MAC
])
2837 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2839 if (key
.type
== -1) {
2841 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2843 key
.type
= NL80211_KEYTYPE_GROUP
;
2847 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2848 key
.type
!= NL80211_KEYTYPE_GROUP
)
2851 if (!rdev
->ops
->del_key
)
2854 wdev_lock(dev
->ieee80211_ptr
);
2855 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2857 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
2858 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2862 err
= rdev_del_key(rdev
, dev
, key
.idx
,
2863 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2866 #ifdef CONFIG_CFG80211_WEXT
2868 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
2869 dev
->ieee80211_ptr
->wext
.default_key
= -1;
2870 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
2871 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
2874 wdev_unlock(dev
->ieee80211_ptr
);
2879 /* This function returns an error or the number of nested attributes */
2880 static int validate_acl_mac_addrs(struct nlattr
*nl_attr
)
2882 struct nlattr
*attr
;
2883 int n_entries
= 0, tmp
;
2885 nla_for_each_nested(attr
, nl_attr
, tmp
) {
2886 if (nla_len(attr
) != ETH_ALEN
)
2896 * This function parses ACL information and allocates memory for ACL data.
2897 * On successful return, the calling function is responsible to free the
2898 * ACL buffer returned by this function.
2900 static struct cfg80211_acl_data
*parse_acl_data(struct wiphy
*wiphy
,
2901 struct genl_info
*info
)
2903 enum nl80211_acl_policy acl_policy
;
2904 struct nlattr
*attr
;
2905 struct cfg80211_acl_data
*acl
;
2906 int i
= 0, n_entries
, tmp
;
2908 if (!wiphy
->max_acl_mac_addrs
)
2909 return ERR_PTR(-EOPNOTSUPP
);
2911 if (!info
->attrs
[NL80211_ATTR_ACL_POLICY
])
2912 return ERR_PTR(-EINVAL
);
2914 acl_policy
= nla_get_u32(info
->attrs
[NL80211_ATTR_ACL_POLICY
]);
2915 if (acl_policy
!= NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED
&&
2916 acl_policy
!= NL80211_ACL_POLICY_DENY_UNLESS_LISTED
)
2917 return ERR_PTR(-EINVAL
);
2919 if (!info
->attrs
[NL80211_ATTR_MAC_ADDRS
])
2920 return ERR_PTR(-EINVAL
);
2922 n_entries
= validate_acl_mac_addrs(info
->attrs
[NL80211_ATTR_MAC_ADDRS
]);
2924 return ERR_PTR(n_entries
);
2926 if (n_entries
> wiphy
->max_acl_mac_addrs
)
2927 return ERR_PTR(-ENOTSUPP
);
2929 acl
= kzalloc(sizeof(*acl
) + (sizeof(struct mac_address
) * n_entries
),
2932 return ERR_PTR(-ENOMEM
);
2934 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_MAC_ADDRS
], tmp
) {
2935 memcpy(acl
->mac_addrs
[i
].addr
, nla_data(attr
), ETH_ALEN
);
2939 acl
->n_acl_entries
= n_entries
;
2940 acl
->acl_policy
= acl_policy
;
2945 static int nl80211_set_mac_acl(struct sk_buff
*skb
, struct genl_info
*info
)
2947 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2948 struct net_device
*dev
= info
->user_ptr
[1];
2949 struct cfg80211_acl_data
*acl
;
2952 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2953 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2956 if (!dev
->ieee80211_ptr
->beacon_interval
)
2959 acl
= parse_acl_data(&rdev
->wiphy
, info
);
2961 return PTR_ERR(acl
);
2963 err
= rdev_set_mac_acl(rdev
, dev
, acl
);
2970 static int nl80211_parse_beacon(struct nlattr
*attrs
[],
2971 struct cfg80211_beacon_data
*bcn
)
2973 bool haveinfo
= false;
2975 if (!is_valid_ie_attr(attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
2976 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE
]) ||
2977 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
2978 !is_valid_ie_attr(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
2981 memset(bcn
, 0, sizeof(*bcn
));
2983 if (attrs
[NL80211_ATTR_BEACON_HEAD
]) {
2984 bcn
->head
= nla_data(attrs
[NL80211_ATTR_BEACON_HEAD
]);
2985 bcn
->head_len
= nla_len(attrs
[NL80211_ATTR_BEACON_HEAD
]);
2991 if (attrs
[NL80211_ATTR_BEACON_TAIL
]) {
2992 bcn
->tail
= nla_data(attrs
[NL80211_ATTR_BEACON_TAIL
]);
2993 bcn
->tail_len
= nla_len(attrs
[NL80211_ATTR_BEACON_TAIL
]);
3000 if (attrs
[NL80211_ATTR_IE
]) {
3001 bcn
->beacon_ies
= nla_data(attrs
[NL80211_ATTR_IE
]);
3002 bcn
->beacon_ies_len
= nla_len(attrs
[NL80211_ATTR_IE
]);
3005 if (attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
3006 bcn
->proberesp_ies
=
3007 nla_data(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3008 bcn
->proberesp_ies_len
=
3009 nla_len(attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
3012 if (attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
3013 bcn
->assocresp_ies
=
3014 nla_data(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3015 bcn
->assocresp_ies_len
=
3016 nla_len(attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
3019 if (attrs
[NL80211_ATTR_PROBE_RESP
]) {
3020 bcn
->probe_resp
= nla_data(attrs
[NL80211_ATTR_PROBE_RESP
]);
3021 bcn
->probe_resp_len
= nla_len(attrs
[NL80211_ATTR_PROBE_RESP
]);
3027 static bool nl80211_get_ap_channel(struct cfg80211_registered_device
*rdev
,
3028 struct cfg80211_ap_settings
*params
)
3030 struct wireless_dev
*wdev
;
3033 list_for_each_entry(wdev
, &rdev
->wdev_list
, list
) {
3034 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
3035 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3038 if (!wdev
->preset_chandef
.chan
)
3041 params
->chandef
= wdev
->preset_chandef
;
3049 static bool nl80211_valid_auth_type(struct cfg80211_registered_device
*rdev
,
3050 enum nl80211_auth_type auth_type
,
3051 enum nl80211_commands cmd
)
3053 if (auth_type
> NL80211_AUTHTYPE_MAX
)
3057 case NL80211_CMD_AUTHENTICATE
:
3058 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_SAE
) &&
3059 auth_type
== NL80211_AUTHTYPE_SAE
)
3062 case NL80211_CMD_CONNECT
:
3063 case NL80211_CMD_START_AP
:
3064 /* SAE not supported yet */
3065 if (auth_type
== NL80211_AUTHTYPE_SAE
)
3073 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3075 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3076 struct net_device
*dev
= info
->user_ptr
[1];
3077 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3078 struct cfg80211_ap_settings params
;
3080 u8 radar_detect_width
= 0;
3082 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3083 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3086 if (!rdev
->ops
->start_ap
)
3089 if (wdev
->beacon_interval
)
3092 memset(¶ms
, 0, sizeof(params
));
3094 /* these are required for START_AP */
3095 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
3096 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
3097 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
3100 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon
);
3104 params
.beacon_interval
=
3105 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3106 params
.dtim_period
=
3107 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
3109 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
3114 * In theory, some of these attributes should be required here
3115 * but since they were not used when the command was originally
3116 * added, keep them optional for old user space programs to let
3117 * them continue to work with drivers that do not need the
3118 * additional information -- drivers must check!
3120 if (info
->attrs
[NL80211_ATTR_SSID
]) {
3121 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3123 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3124 if (params
.ssid_len
== 0 ||
3125 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
3129 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
3130 params
.hidden_ssid
= nla_get_u32(
3131 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
3132 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
3133 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
3134 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
3138 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3140 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
3141 params
.auth_type
= nla_get_u32(
3142 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3143 if (!nl80211_valid_auth_type(rdev
, params
.auth_type
,
3144 NL80211_CMD_START_AP
))
3147 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
3149 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
3150 NL80211_MAX_NR_CIPHER_SUITES
);
3154 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
3155 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
3157 params
.inactivity_timeout
= nla_get_u16(
3158 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
3161 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
3162 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3164 params
.p2p_ctwindow
=
3165 nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
3166 if (params
.p2p_ctwindow
> 127)
3168 if (params
.p2p_ctwindow
!= 0 &&
3169 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
3173 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
3176 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3178 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
3181 params
.p2p_opp_ps
= tmp
;
3182 if (params
.p2p_opp_ps
!= 0 &&
3183 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
3187 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
3188 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
3191 } else if (wdev
->preset_chandef
.chan
) {
3192 params
.chandef
= wdev
->preset_chandef
;
3193 } else if (!nl80211_get_ap_channel(rdev
, ¶ms
))
3196 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
))
3199 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, ¶ms
.chandef
);
3203 radar_detect_width
= BIT(params
.chandef
.width
);
3204 params
.radar_required
= true;
3207 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
3208 params
.chandef
.chan
,
3210 radar_detect_width
);
3214 if (info
->attrs
[NL80211_ATTR_ACL_POLICY
]) {
3215 params
.acl
= parse_acl_data(&rdev
->wiphy
, info
);
3216 if (IS_ERR(params
.acl
))
3217 return PTR_ERR(params
.acl
);
3220 err
= rdev_start_ap(rdev
, dev
, ¶ms
);
3222 wdev
->preset_chandef
= params
.chandef
;
3223 wdev
->beacon_interval
= params
.beacon_interval
;
3224 wdev
->channel
= params
.chandef
.chan
;
3225 wdev
->ssid_len
= params
.ssid_len
;
3226 memcpy(wdev
->ssid
, params
.ssid
, wdev
->ssid_len
);
3234 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
3236 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3237 struct net_device
*dev
= info
->user_ptr
[1];
3238 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3239 struct cfg80211_beacon_data params
;
3242 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3243 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3246 if (!rdev
->ops
->change_beacon
)
3249 if (!wdev
->beacon_interval
)
3252 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
);
3256 return rdev_change_beacon(rdev
, dev
, ¶ms
);
3259 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
3261 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3262 struct net_device
*dev
= info
->user_ptr
[1];
3264 return cfg80211_stop_ap(rdev
, dev
);
3267 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
3268 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
3269 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
3270 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
3271 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
3272 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
3273 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
3276 static int parse_station_flags(struct genl_info
*info
,
3277 enum nl80211_iftype iftype
,
3278 struct station_parameters
*params
)
3280 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
3285 * Try parsing the new attribute first so userspace
3286 * can specify both for older kernels.
3288 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
3290 struct nl80211_sta_flag_update
*sta_flags
;
3292 sta_flags
= nla_data(nla
);
3293 params
->sta_flags_mask
= sta_flags
->mask
;
3294 params
->sta_flags_set
= sta_flags
->set
;
3295 params
->sta_flags_set
&= params
->sta_flags_mask
;
3296 if ((params
->sta_flags_mask
|
3297 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
3302 /* if present, parse the old attribute */
3304 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
3308 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
3309 nla
, sta_flags_policy
))
3313 * Only allow certain flags for interface types so that
3314 * other attributes are silently ignored. Remember that
3315 * this is backward compatibility code with old userspace
3316 * and shouldn't be hit in other cases anyway.
3319 case NL80211_IFTYPE_AP
:
3320 case NL80211_IFTYPE_AP_VLAN
:
3321 case NL80211_IFTYPE_P2P_GO
:
3322 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3323 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3324 BIT(NL80211_STA_FLAG_WME
) |
3325 BIT(NL80211_STA_FLAG_MFP
);
3327 case NL80211_IFTYPE_P2P_CLIENT
:
3328 case NL80211_IFTYPE_STATION
:
3329 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3330 BIT(NL80211_STA_FLAG_TDLS_PEER
);
3332 case NL80211_IFTYPE_MESH_POINT
:
3333 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3334 BIT(NL80211_STA_FLAG_MFP
) |
3335 BIT(NL80211_STA_FLAG_AUTHORIZED
);
3340 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
3342 params
->sta_flags_set
|= (1<<flag
);
3344 /* no longer support new API additions in old API */
3345 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
3353 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
3356 struct nlattr
*rate
;
3360 rate
= nla_nest_start(msg
, attr
);
3364 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
3365 bitrate
= cfg80211_calculate_bitrate(info
);
3366 /* report 16-bit bitrate only if we can */
3367 bitrate_compat
= bitrate
< (1UL << 16) ? bitrate
: 0;
3369 nla_put_u32(msg
, NL80211_RATE_INFO_BITRATE32
, bitrate
))
3371 if (bitrate_compat
> 0 &&
3372 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate_compat
))
3375 if (info
->flags
& RATE_INFO_FLAGS_MCS
) {
3376 if (nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
))
3378 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3379 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3381 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3382 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3384 } else if (info
->flags
& RATE_INFO_FLAGS_VHT_MCS
) {
3385 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_MCS
, info
->mcs
))
3387 if (nla_put_u8(msg
, NL80211_RATE_INFO_VHT_NSS
, info
->nss
))
3389 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
&&
3390 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
))
3392 if (info
->flags
& RATE_INFO_FLAGS_80_MHZ_WIDTH
&&
3393 nla_put_flag(msg
, NL80211_RATE_INFO_80_MHZ_WIDTH
))
3395 if (info
->flags
& RATE_INFO_FLAGS_80P80_MHZ_WIDTH
&&
3396 nla_put_flag(msg
, NL80211_RATE_INFO_80P80_MHZ_WIDTH
))
3398 if (info
->flags
& RATE_INFO_FLAGS_160_MHZ_WIDTH
&&
3399 nla_put_flag(msg
, NL80211_RATE_INFO_160_MHZ_WIDTH
))
3401 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
&&
3402 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
))
3406 nla_nest_end(msg
, rate
);
3410 static bool nl80211_put_signal(struct sk_buff
*msg
, u8 mask
, s8
*signal
,
3419 attr
= nla_nest_start(msg
, id
);
3423 for (i
= 0; i
< IEEE80211_MAX_CHAINS
; i
++) {
3424 if (!(mask
& BIT(i
)))
3427 if (nla_put_u8(msg
, i
, signal
[i
]))
3431 nla_nest_end(msg
, attr
);
3436 static int nl80211_send_station(struct sk_buff
*msg
, u32 portid
, u32 seq
,
3438 struct cfg80211_registered_device
*rdev
,
3439 struct net_device
*dev
,
3440 const u8
*mac_addr
, struct station_info
*sinfo
)
3443 struct nlattr
*sinfoattr
, *bss_param
;
3445 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3449 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3450 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
3451 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
3452 goto nla_put_failure
;
3454 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
3456 goto nla_put_failure
;
3457 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
3458 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
3459 sinfo
->connected_time
))
3460 goto nla_put_failure
;
3461 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
3462 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
3463 sinfo
->inactive_time
))
3464 goto nla_put_failure
;
3465 if ((sinfo
->filled
& (STATION_INFO_RX_BYTES
|
3466 STATION_INFO_RX_BYTES64
)) &&
3467 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
3468 (u32
)sinfo
->rx_bytes
))
3469 goto nla_put_failure
;
3470 if ((sinfo
->filled
& (STATION_INFO_TX_BYTES
|
3471 STATION_INFO_TX_BYTES64
)) &&
3472 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
3473 (u32
)sinfo
->tx_bytes
))
3474 goto nla_put_failure
;
3475 if ((sinfo
->filled
& STATION_INFO_RX_BYTES64
) &&
3476 nla_put_u64(msg
, NL80211_STA_INFO_RX_BYTES64
,
3478 goto nla_put_failure
;
3479 if ((sinfo
->filled
& STATION_INFO_TX_BYTES64
) &&
3480 nla_put_u64(msg
, NL80211_STA_INFO_TX_BYTES64
,
3482 goto nla_put_failure
;
3483 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
3484 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
3485 goto nla_put_failure
;
3486 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
3487 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
3488 goto nla_put_failure
;
3489 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
3490 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
3491 sinfo
->plink_state
))
3492 goto nla_put_failure
;
3493 switch (rdev
->wiphy
.signal_type
) {
3494 case CFG80211_SIGNAL_TYPE_MBM
:
3495 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
3496 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
3498 goto nla_put_failure
;
3499 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
3500 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
3502 goto nla_put_failure
;
3507 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL
) {
3508 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3509 sinfo
->chain_signal
,
3510 NL80211_STA_INFO_CHAIN_SIGNAL
))
3511 goto nla_put_failure
;
3513 if (sinfo
->filled
& STATION_INFO_CHAIN_SIGNAL_AVG
) {
3514 if (!nl80211_put_signal(msg
, sinfo
->chains
,
3515 sinfo
->chain_signal_avg
,
3516 NL80211_STA_INFO_CHAIN_SIGNAL_AVG
))
3517 goto nla_put_failure
;
3519 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
3520 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
3521 NL80211_STA_INFO_TX_BITRATE
))
3522 goto nla_put_failure
;
3524 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
3525 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
3526 NL80211_STA_INFO_RX_BITRATE
))
3527 goto nla_put_failure
;
3529 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
3530 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
3532 goto nla_put_failure
;
3533 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
3534 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
3536 goto nla_put_failure
;
3537 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
3538 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
3540 goto nla_put_failure
;
3541 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
3542 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
3544 goto nla_put_failure
;
3545 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
3546 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
3547 sinfo
->beacon_loss_count
))
3548 goto nla_put_failure
;
3549 if ((sinfo
->filled
& STATION_INFO_LOCAL_PM
) &&
3550 nla_put_u32(msg
, NL80211_STA_INFO_LOCAL_PM
,
3552 goto nla_put_failure
;
3553 if ((sinfo
->filled
& STATION_INFO_PEER_PM
) &&
3554 nla_put_u32(msg
, NL80211_STA_INFO_PEER_PM
,
3556 goto nla_put_failure
;
3557 if ((sinfo
->filled
& STATION_INFO_NONPEER_PM
) &&
3558 nla_put_u32(msg
, NL80211_STA_INFO_NONPEER_PM
,
3560 goto nla_put_failure
;
3561 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
3562 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
3564 goto nla_put_failure
;
3566 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
3567 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
3568 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
3569 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
3570 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
3571 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
3572 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
3573 sinfo
->bss_param
.dtim_period
) ||
3574 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
3575 sinfo
->bss_param
.beacon_interval
))
3576 goto nla_put_failure
;
3578 nla_nest_end(msg
, bss_param
);
3580 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
3581 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
3582 sizeof(struct nl80211_sta_flag_update
),
3584 goto nla_put_failure
;
3585 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
3586 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
3588 goto nla_put_failure
;
3589 nla_nest_end(msg
, sinfoattr
);
3591 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
3592 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
3593 sinfo
->assoc_req_ies
))
3594 goto nla_put_failure
;
3596 return genlmsg_end(msg
, hdr
);
3599 genlmsg_cancel(msg
, hdr
);
3603 static int nl80211_dump_station(struct sk_buff
*skb
,
3604 struct netlink_callback
*cb
)
3606 struct station_info sinfo
;
3607 struct cfg80211_registered_device
*dev
;
3608 struct wireless_dev
*wdev
;
3609 u8 mac_addr
[ETH_ALEN
];
3610 int sta_idx
= cb
->args
[2];
3613 err
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
3617 if (!wdev
->netdev
) {
3622 if (!dev
->ops
->dump_station
) {
3628 memset(&sinfo
, 0, sizeof(sinfo
));
3629 err
= rdev_dump_station(dev
, wdev
->netdev
, sta_idx
,
3636 if (nl80211_send_station(skb
,
3637 NETLINK_CB(cb
->skb
).portid
,
3638 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3639 dev
, wdev
->netdev
, mac_addr
,
3648 cb
->args
[2] = sta_idx
;
3651 nl80211_finish_wdev_dump(dev
);
3656 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
3658 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3659 struct net_device
*dev
= info
->user_ptr
[1];
3660 struct station_info sinfo
;
3661 struct sk_buff
*msg
;
3662 u8
*mac_addr
= NULL
;
3665 memset(&sinfo
, 0, sizeof(sinfo
));
3667 if (!info
->attrs
[NL80211_ATTR_MAC
])
3670 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3672 if (!rdev
->ops
->get_station
)
3675 err
= rdev_get_station(rdev
, dev
, mac_addr
, &sinfo
);
3679 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3683 if (nl80211_send_station(msg
, info
->snd_portid
, info
->snd_seq
, 0,
3684 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
3689 return genlmsg_reply(msg
, info
);
3692 int cfg80211_check_station_change(struct wiphy
*wiphy
,
3693 struct station_parameters
*params
,
3694 enum cfg80211_station_type statype
)
3696 if (params
->listen_interval
!= -1)
3701 /* When you run into this, adjust the code below for the new flag */
3702 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
3705 case CFG80211_STA_MESH_PEER_KERNEL
:
3706 case CFG80211_STA_MESH_PEER_USER
:
3708 * No ignoring the TDLS flag here -- the userspace mesh
3709 * code doesn't have the bug of including TDLS in the
3712 if (params
->sta_flags_mask
&
3713 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3714 BIT(NL80211_STA_FLAG_MFP
) |
3715 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3718 case CFG80211_STA_TDLS_PEER_SETUP
:
3719 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3720 if (!(params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
3722 /* ignore since it can't change */
3723 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3726 /* disallow mesh-specific things */
3727 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3729 if (params
->local_pm
)
3731 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3735 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
&&
3736 statype
!= CFG80211_STA_TDLS_PEER_ACTIVE
) {
3737 /* TDLS can't be set, ... */
3738 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
3741 * ... but don't bother the driver with it. This works around
3742 * a hostapd/wpa_supplicant issue -- it always includes the
3743 * TLDS_PEER flag in the mask even for AP mode.
3745 params
->sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
3748 if (statype
!= CFG80211_STA_TDLS_PEER_SETUP
) {
3749 /* reject other things that can't change */
3750 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_UAPSD
)
3752 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_CAPABILITY
)
3754 if (params
->supported_rates
)
3756 if (params
->ext_capab
|| params
->ht_capa
|| params
->vht_capa
)
3760 if (statype
!= CFG80211_STA_AP_CLIENT
) {
3766 case CFG80211_STA_AP_MLME_CLIENT
:
3767 /* Use this only for authorizing/unauthorizing a station */
3768 if (!(params
->sta_flags_mask
& BIT(NL80211_STA_FLAG_AUTHORIZED
)))
3771 case CFG80211_STA_AP_CLIENT
:
3772 /* accept only the listed bits */
3773 if (params
->sta_flags_mask
&
3774 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3775 BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3776 BIT(NL80211_STA_FLAG_ASSOCIATED
) |
3777 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
3778 BIT(NL80211_STA_FLAG_WME
) |
3779 BIT(NL80211_STA_FLAG_MFP
)))
3782 /* but authenticated/associated only if driver handles it */
3783 if (!(wiphy
->features
& NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
3784 params
->sta_flags_mask
&
3785 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
3786 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
3789 case CFG80211_STA_IBSS
:
3790 case CFG80211_STA_AP_STA
:
3791 /* reject any changes other than AUTHORIZED */
3792 if (params
->sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
3795 case CFG80211_STA_TDLS_PEER_SETUP
:
3796 /* reject any changes other than AUTHORIZED or WME */
3797 if (params
->sta_flags_mask
& ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
3798 BIT(NL80211_STA_FLAG_WME
)))
3800 /* force (at least) rates when authorizing */
3801 if (params
->sta_flags_set
& BIT(NL80211_STA_FLAG_AUTHORIZED
) &&
3802 !params
->supported_rates
)
3805 case CFG80211_STA_TDLS_PEER_ACTIVE
:
3806 /* reject any changes */
3808 case CFG80211_STA_MESH_PEER_KERNEL
:
3809 if (params
->sta_modify_mask
& STATION_PARAM_APPLY_PLINK_STATE
)
3812 case CFG80211_STA_MESH_PEER_USER
:
3813 if (params
->plink_action
!= NL80211_PLINK_ACTION_NO_ACTION
)
3820 EXPORT_SYMBOL(cfg80211_check_station_change
);
3823 * Get vlan interface making sure it is running and on the right wiphy.
3825 static struct net_device
*get_vlan(struct genl_info
*info
,
3826 struct cfg80211_registered_device
*rdev
)
3828 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
3829 struct net_device
*v
;
3835 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
3837 return ERR_PTR(-ENODEV
);
3839 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
3844 if (v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
3845 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3846 v
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
3851 if (!netif_running(v
)) {
3859 return ERR_PTR(ret
);
3862 static struct nla_policy
3863 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] __read_mostly
= {
3864 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
3865 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
3868 static int nl80211_parse_sta_wme(struct genl_info
*info
,
3869 struct station_parameters
*params
)
3871 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
3875 /* parse WME attributes if present */
3876 if (!info
->attrs
[NL80211_ATTR_STA_WME
])
3879 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
3880 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
3881 nl80211_sta_wme_policy
);
3885 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
3886 params
->uapsd_queues
= nla_get_u8(
3887 tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
3888 if (params
->uapsd_queues
& ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
3891 if (tb
[NL80211_STA_WME_MAX_SP
])
3892 params
->max_sp
= nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
3894 if (params
->max_sp
& ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
3897 params
->sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
3902 static int nl80211_parse_sta_channel_info(struct genl_info
*info
,
3903 struct station_parameters
*params
)
3905 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]) {
3906 params
->supported_channels
=
3907 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
3908 params
->supported_channels_len
=
3909 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_CHANNELS
]);
3911 * Need to include at least one (first channel, number of
3912 * channels) tuple for each subband, and must have proper
3913 * tuples for the rest of the data as well.
3915 if (params
->supported_channels_len
< 2)
3917 if (params
->supported_channels_len
% 2)
3921 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]) {
3922 params
->supported_oper_classes
=
3923 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
3924 params
->supported_oper_classes_len
=
3925 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES
]);
3927 * The value of the Length field of the Supported Operating
3928 * Classes element is between 2 and 253.
3930 if (params
->supported_oper_classes_len
< 2 ||
3931 params
->supported_oper_classes_len
> 253)
3937 static int nl80211_set_station_tdls(struct genl_info
*info
,
3938 struct station_parameters
*params
)
3941 /* Dummy STA entry gets updated once the peer capabilities are known */
3942 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
3943 params
->aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
3944 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
3946 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
3947 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
3949 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
3951 err
= nl80211_parse_sta_channel_info(info
, params
);
3955 return nl80211_parse_sta_wme(info
, params
);
3958 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
3960 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3961 struct net_device
*dev
= info
->user_ptr
[1];
3962 struct station_parameters params
;
3966 memset(¶ms
, 0, sizeof(params
));
3968 params
.listen_interval
= -1;
3970 if (!rdev
->ops
->change_station
)
3973 if (info
->attrs
[NL80211_ATTR_STA_AID
])
3976 if (!info
->attrs
[NL80211_ATTR_MAC
])
3979 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3981 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
3982 params
.supported_rates
=
3983 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3984 params
.supported_rates_len
=
3985 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
3988 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
3990 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
3991 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
3994 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
3996 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
3997 params
.ext_capab_len
=
3998 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4001 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4004 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4007 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4008 params
.plink_action
=
4009 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4010 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4014 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]) {
4015 params
.plink_state
=
4016 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
4017 if (params
.plink_state
>= NUM_NL80211_PLINK_STATES
)
4019 params
.sta_modify_mask
|= STATION_PARAM_APPLY_PLINK_STATE
;
4022 if (info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]) {
4023 enum nl80211_mesh_power_mode pm
= nla_get_u32(
4024 info
->attrs
[NL80211_ATTR_LOCAL_MESH_POWER_MODE
]);
4026 if (pm
<= NL80211_MESH_POWER_UNKNOWN
||
4027 pm
> NL80211_MESH_POWER_MAX
)
4030 params
.local_pm
= pm
;
4033 /* Include parameters for TDLS peer (will check later) */
4034 err
= nl80211_set_station_tdls(info
, ¶ms
);
4038 params
.vlan
= get_vlan(info
, rdev
);
4039 if (IS_ERR(params
.vlan
))
4040 return PTR_ERR(params
.vlan
);
4042 switch (dev
->ieee80211_ptr
->iftype
) {
4043 case NL80211_IFTYPE_AP
:
4044 case NL80211_IFTYPE_AP_VLAN
:
4045 case NL80211_IFTYPE_P2P_GO
:
4046 case NL80211_IFTYPE_P2P_CLIENT
:
4047 case NL80211_IFTYPE_STATION
:
4048 case NL80211_IFTYPE_ADHOC
:
4049 case NL80211_IFTYPE_MESH_POINT
:
4056 /* driver will call cfg80211_check_station_change() */
4057 err
= rdev_change_station(rdev
, dev
, mac_addr
, ¶ms
);
4061 dev_put(params
.vlan
);
4066 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
4068 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4070 struct net_device
*dev
= info
->user_ptr
[1];
4071 struct station_parameters params
;
4072 u8
*mac_addr
= NULL
;
4074 memset(¶ms
, 0, sizeof(params
));
4076 if (!rdev
->ops
->add_station
)
4079 if (!info
->attrs
[NL80211_ATTR_MAC
])
4082 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
4085 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
4088 if (!info
->attrs
[NL80211_ATTR_STA_AID
] &&
4089 !info
->attrs
[NL80211_ATTR_PEER_AID
])
4092 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4093 params
.supported_rates
=
4094 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4095 params
.supported_rates_len
=
4096 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
4097 params
.listen_interval
=
4098 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
4100 if (info
->attrs
[NL80211_ATTR_PEER_AID
])
4101 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_PEER_AID
]);
4103 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
4104 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
4107 if (info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]) {
4109 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_CAPABILITY
]);
4110 params
.sta_modify_mask
|= STATION_PARAM_APPLY_CAPABILITY
;
4113 if (info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]) {
4115 nla_data(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4116 params
.ext_capab_len
=
4117 nla_len(info
->attrs
[NL80211_ATTR_STA_EXT_CAPABILITY
]);
4120 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
4122 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4124 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
])
4126 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]);
4128 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]) {
4129 params
.plink_action
=
4130 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
4131 if (params
.plink_action
>= NUM_NL80211_PLINK_ACTIONS
)
4135 err
= nl80211_parse_sta_channel_info(info
, ¶ms
);
4139 err
= nl80211_parse_sta_wme(info
, ¶ms
);
4143 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
4146 /* When you run into this, adjust the code below for the new flag */
4147 BUILD_BUG_ON(NL80211_STA_FLAG_MAX
!= 7);
4149 switch (dev
->ieee80211_ptr
->iftype
) {
4150 case NL80211_IFTYPE_AP
:
4151 case NL80211_IFTYPE_AP_VLAN
:
4152 case NL80211_IFTYPE_P2P_GO
:
4153 /* ignore WME attributes if iface/sta is not capable */
4154 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) ||
4155 !(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)))
4156 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4158 /* TDLS peers cannot be added */
4159 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4160 info
->attrs
[NL80211_ATTR_PEER_AID
])
4162 /* but don't bother the driver with it */
4163 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
4165 /* allow authenticated/associated only if driver handles it */
4166 if (!(rdev
->wiphy
.features
&
4167 NL80211_FEATURE_FULL_AP_CLIENT_STATE
) &&
4168 params
.sta_flags_mask
&
4169 (BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
4170 BIT(NL80211_STA_FLAG_ASSOCIATED
)))
4173 /* must be last in here for error handling */
4174 params
.vlan
= get_vlan(info
, rdev
);
4175 if (IS_ERR(params
.vlan
))
4176 return PTR_ERR(params
.vlan
);
4178 case NL80211_IFTYPE_MESH_POINT
:
4179 /* ignore uAPSD data */
4180 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4182 /* associated is disallowed */
4183 if (params
.sta_flags_mask
& BIT(NL80211_STA_FLAG_ASSOCIATED
))
4185 /* TDLS peers cannot be added */
4186 if ((params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)) ||
4187 info
->attrs
[NL80211_ATTR_PEER_AID
])
4190 case NL80211_IFTYPE_STATION
:
4191 case NL80211_IFTYPE_P2P_CLIENT
:
4192 /* ignore uAPSD data */
4193 params
.sta_modify_mask
&= ~STATION_PARAM_APPLY_UAPSD
;
4195 /* these are disallowed */
4196 if (params
.sta_flags_mask
&
4197 (BIT(NL80211_STA_FLAG_ASSOCIATED
) |
4198 BIT(NL80211_STA_FLAG_AUTHENTICATED
)))
4200 /* Only TDLS peers can be added */
4201 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
4203 /* Can only add if TDLS ... */
4204 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
4206 /* ... with external setup is supported */
4207 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
4210 * Older wpa_supplicant versions always mark the TDLS peer
4211 * as authorized, but it shouldn't yet be.
4213 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_AUTHORIZED
);
4219 /* be aware of params.vlan when changing code here */
4221 err
= rdev_add_station(rdev
, dev
, mac_addr
, ¶ms
);
4224 dev_put(params
.vlan
);
4228 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
4230 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4231 struct net_device
*dev
= info
->user_ptr
[1];
4232 u8
*mac_addr
= NULL
;
4234 if (info
->attrs
[NL80211_ATTR_MAC
])
4235 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4237 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4238 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4239 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4240 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4243 if (!rdev
->ops
->del_station
)
4246 return rdev_del_station(rdev
, dev
, mac_addr
);
4249 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 portid
, u32 seq
,
4250 int flags
, struct net_device
*dev
,
4251 u8
*dst
, u8
*next_hop
,
4252 struct mpath_info
*pinfo
)
4255 struct nlattr
*pinfoattr
;
4257 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
4261 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4262 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
4263 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
4264 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
4265 goto nla_put_failure
;
4267 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
4269 goto nla_put_failure
;
4270 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
4271 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
4273 goto nla_put_failure
;
4274 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
4275 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
4276 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
4277 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
4279 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
4280 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
4282 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
4283 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
4285 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
4286 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
4287 pinfo
->discovery_timeout
)) ||
4288 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
4289 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
4290 pinfo
->discovery_retries
)))
4291 goto nla_put_failure
;
4293 nla_nest_end(msg
, pinfoattr
);
4295 return genlmsg_end(msg
, hdr
);
4298 genlmsg_cancel(msg
, hdr
);
4302 static int nl80211_dump_mpath(struct sk_buff
*skb
,
4303 struct netlink_callback
*cb
)
4305 struct mpath_info pinfo
;
4306 struct cfg80211_registered_device
*dev
;
4307 struct wireless_dev
*wdev
;
4309 u8 next_hop
[ETH_ALEN
];
4310 int path_idx
= cb
->args
[2];
4313 err
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
4317 if (!dev
->ops
->dump_mpath
) {
4322 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
4328 err
= rdev_dump_mpath(dev
, wdev
->netdev
, path_idx
, dst
,
4335 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).portid
,
4336 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4337 wdev
->netdev
, dst
, next_hop
,
4346 cb
->args
[2] = path_idx
;
4349 nl80211_finish_wdev_dump(dev
);
4353 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4355 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4357 struct net_device
*dev
= info
->user_ptr
[1];
4358 struct mpath_info pinfo
;
4359 struct sk_buff
*msg
;
4361 u8 next_hop
[ETH_ALEN
];
4363 memset(&pinfo
, 0, sizeof(pinfo
));
4365 if (!info
->attrs
[NL80211_ATTR_MAC
])
4368 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4370 if (!rdev
->ops
->get_mpath
)
4373 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4376 err
= rdev_get_mpath(rdev
, dev
, dst
, next_hop
, &pinfo
);
4380 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4384 if (nl80211_send_mpath(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4385 dev
, dst
, next_hop
, &pinfo
) < 0) {
4390 return genlmsg_reply(msg
, info
);
4393 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4395 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4396 struct net_device
*dev
= info
->user_ptr
[1];
4398 u8
*next_hop
= NULL
;
4400 if (!info
->attrs
[NL80211_ATTR_MAC
])
4403 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4406 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4407 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4409 if (!rdev
->ops
->change_mpath
)
4412 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4415 return rdev_change_mpath(rdev
, dev
, dst
, next_hop
);
4418 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4420 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4421 struct net_device
*dev
= info
->user_ptr
[1];
4423 u8
*next_hop
= NULL
;
4425 if (!info
->attrs
[NL80211_ATTR_MAC
])
4428 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
4431 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4432 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
4434 if (!rdev
->ops
->add_mpath
)
4437 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4440 return rdev_add_mpath(rdev
, dev
, dst
, next_hop
);
4443 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
4445 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4446 struct net_device
*dev
= info
->user_ptr
[1];
4449 if (info
->attrs
[NL80211_ATTR_MAC
])
4450 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4452 if (!rdev
->ops
->del_mpath
)
4455 return rdev_del_mpath(rdev
, dev
, dst
);
4458 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
4460 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4461 struct net_device
*dev
= info
->user_ptr
[1];
4462 struct bss_parameters params
;
4464 memset(¶ms
, 0, sizeof(params
));
4465 /* default to not changing parameters */
4466 params
.use_cts_prot
= -1;
4467 params
.use_short_preamble
= -1;
4468 params
.use_short_slot_time
= -1;
4469 params
.ap_isolate
= -1;
4470 params
.ht_opmode
= -1;
4471 params
.p2p_ctwindow
= -1;
4472 params
.p2p_opp_ps
= -1;
4474 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
4475 params
.use_cts_prot
=
4476 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
4477 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
4478 params
.use_short_preamble
=
4479 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
4480 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
4481 params
.use_short_slot_time
=
4482 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
4483 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4484 params
.basic_rates
=
4485 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4486 params
.basic_rates_len
=
4487 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4489 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
4490 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
4491 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
4493 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
4495 if (info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]) {
4496 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4498 params
.p2p_ctwindow
=
4499 nla_get_s8(info
->attrs
[NL80211_ATTR_P2P_CTWINDOW
]);
4500 if (params
.p2p_ctwindow
< 0)
4502 if (params
.p2p_ctwindow
!= 0 &&
4503 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_CTWIN
))
4507 if (info
->attrs
[NL80211_ATTR_P2P_OPPPS
]) {
4510 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4512 tmp
= nla_get_u8(info
->attrs
[NL80211_ATTR_P2P_OPPPS
]);
4515 params
.p2p_opp_ps
= tmp
;
4516 if (params
.p2p_opp_ps
&&
4517 !(rdev
->wiphy
.features
& NL80211_FEATURE_P2P_GO_OPPPS
))
4521 if (!rdev
->ops
->change_bss
)
4524 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4525 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4528 return rdev_change_bss(rdev
, dev
, ¶ms
);
4531 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
4532 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
4533 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
4534 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
4535 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
4536 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
4537 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
4540 static int parse_reg_rule(struct nlattr
*tb
[],
4541 struct ieee80211_reg_rule
*reg_rule
)
4543 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
4544 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
4546 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
4548 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
4550 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
4552 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
4554 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
4557 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
4559 freq_range
->start_freq_khz
=
4560 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
4561 freq_range
->end_freq_khz
=
4562 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
4563 freq_range
->max_bandwidth_khz
=
4564 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
4566 power_rule
->max_eirp
=
4567 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
4569 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
4570 power_rule
->max_antenna_gain
=
4571 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
4576 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4580 enum nl80211_user_reg_hint_type user_reg_hint_type
;
4583 * You should only get this when cfg80211 hasn't yet initialized
4584 * completely when built-in to the kernel right between the time
4585 * window between nl80211_init() and regulatory_init(), if that is
4588 if (unlikely(!rcu_access_pointer(cfg80211_regdomain
)))
4589 return -EINPROGRESS
;
4591 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
4594 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
4596 if (info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
])
4597 user_reg_hint_type
=
4598 nla_get_u32(info
->attrs
[NL80211_ATTR_USER_REG_HINT_TYPE
]);
4600 user_reg_hint_type
= NL80211_USER_REG_HINT_USER
;
4602 switch (user_reg_hint_type
) {
4603 case NL80211_USER_REG_HINT_USER
:
4604 case NL80211_USER_REG_HINT_CELL_BASE
:
4610 r
= regulatory_hint_user(data
, user_reg_hint_type
);
4615 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
4616 struct genl_info
*info
)
4618 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4619 struct net_device
*dev
= info
->user_ptr
[1];
4620 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4621 struct mesh_config cur_params
;
4624 struct nlattr
*pinfoattr
;
4625 struct sk_buff
*msg
;
4627 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4630 if (!rdev
->ops
->get_mesh_config
)
4634 /* If not connected, get default parameters */
4635 if (!wdev
->mesh_id_len
)
4636 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
4638 err
= rdev_get_mesh_config(rdev
, dev
, &cur_params
);
4644 /* Draw up a netlink message to send back */
4645 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4648 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
4649 NL80211_CMD_GET_MESH_CONFIG
);
4652 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
4654 goto nla_put_failure
;
4655 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
4656 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4657 cur_params
.dot11MeshRetryTimeout
) ||
4658 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4659 cur_params
.dot11MeshConfirmTimeout
) ||
4660 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4661 cur_params
.dot11MeshHoldingTimeout
) ||
4662 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4663 cur_params
.dot11MeshMaxPeerLinks
) ||
4664 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
4665 cur_params
.dot11MeshMaxRetries
) ||
4666 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
4667 cur_params
.dot11MeshTTL
) ||
4668 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
4669 cur_params
.element_ttl
) ||
4670 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4671 cur_params
.auto_open_plinks
) ||
4672 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4673 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
4674 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4675 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
4676 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4677 cur_params
.path_refresh_time
) ||
4678 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4679 cur_params
.min_discovery_timeout
) ||
4680 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4681 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
4682 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4683 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
4684 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4685 cur_params
.dot11MeshHWMPperrMinInterval
) ||
4686 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4687 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
4688 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4689 cur_params
.dot11MeshHWMPRootMode
) ||
4690 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4691 cur_params
.dot11MeshHWMPRannInterval
) ||
4692 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4693 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
4694 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
4695 cur_params
.dot11MeshForwarding
) ||
4696 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4697 cur_params
.rssi_threshold
) ||
4698 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
4699 cur_params
.ht_opmode
) ||
4700 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4701 cur_params
.dot11MeshHWMPactivePathToRootTimeout
) ||
4702 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4703 cur_params
.dot11MeshHWMProotInterval
) ||
4704 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4705 cur_params
.dot11MeshHWMPconfirmationInterval
) ||
4706 nla_put_u32(msg
, NL80211_MESHCONF_POWER_MODE
,
4707 cur_params
.power_mode
) ||
4708 nla_put_u16(msg
, NL80211_MESHCONF_AWAKE_WINDOW
,
4709 cur_params
.dot11MeshAwakeWindowDuration
) ||
4710 nla_put_u32(msg
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4711 cur_params
.plink_timeout
))
4712 goto nla_put_failure
;
4713 nla_nest_end(msg
, pinfoattr
);
4714 genlmsg_end(msg
, hdr
);
4715 return genlmsg_reply(msg
, info
);
4718 genlmsg_cancel(msg
, hdr
);
4724 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
4725 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
4726 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
4727 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
4728 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
4729 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
4730 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
4731 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
4732 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
4733 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
4734 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
4735 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
4736 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
4737 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
4738 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
4739 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
4740 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
4741 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
4742 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
4743 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
4744 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
4745 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
4746 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
4747 [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
] = { .type
= NLA_U32
},
4748 [NL80211_MESHCONF_HWMP_ROOT_INTERVAL
] = { .type
= NLA_U16
},
4749 [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
] = { .type
= NLA_U16
},
4750 [NL80211_MESHCONF_POWER_MODE
] = { .type
= NLA_U32
},
4751 [NL80211_MESHCONF_AWAKE_WINDOW
] = { .type
= NLA_U16
},
4752 [NL80211_MESHCONF_PLINK_TIMEOUT
] = { .type
= NLA_U32
},
4755 static const struct nla_policy
4756 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
4757 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
4758 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
4759 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
4760 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
4761 [NL80211_MESH_SETUP_AUTH_PROTOCOL
] = { .type
= NLA_U8
},
4762 [NL80211_MESH_SETUP_USERSPACE_MPM
] = { .type
= NLA_FLAG
},
4763 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
4764 .len
= IEEE80211_MAX_DATA_LEN
},
4765 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
4768 static int nl80211_parse_mesh_config(struct genl_info
*info
,
4769 struct mesh_config
*cfg
,
4772 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
4775 #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \
4778 if (fn(tb[attr]) < min || fn(tb[attr]) > max) \
4780 cfg->param = fn(tb[attr]); \
4781 mask |= (1 << (attr - 1)); \
4786 if (!info
->attrs
[NL80211_ATTR_MESH_CONFIG
])
4788 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
4789 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
4790 nl80211_meshconf_params_policy
))
4793 /* This makes sure that there aren't more than 32 mesh config
4794 * parameters (otherwise our bitfield scheme would not work.) */
4795 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
4797 /* Fill in the params struct */
4798 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
, 1, 255,
4799 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
,
4801 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
, 1, 255,
4802 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
4804 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
, 1, 255,
4805 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
4807 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
, 0, 255,
4808 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
,
4810 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
, 0, 16,
4811 mask
, NL80211_MESHCONF_MAX_RETRIES
,
4813 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
, 1, 255,
4814 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
4815 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
, 1, 255,
4816 mask
, NL80211_MESHCONF_ELEMENT_TTL
,
4818 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
, 0, 1,
4819 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
4821 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
4823 NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
4825 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
, 0, 255,
4826 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
4828 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
, 1, 65535,
4829 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
4831 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
, 1, 65535,
4832 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
4834 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
4836 NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
4838 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
4840 NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
4842 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
4844 NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
4846 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4847 dot11MeshHWMPnetDiameterTraversalTime
,
4849 NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
4851 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRootMode
, 0, 4,
4852 mask
, NL80211_MESHCONF_HWMP_ROOTMODE
,
4854 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPRannInterval
, 1, 65535,
4855 mask
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
4857 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4858 dot11MeshGateAnnouncementProtocol
, 0, 1,
4859 mask
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
4861 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
, 0, 1,
4862 mask
, NL80211_MESHCONF_FORWARDING
,
4864 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
, -255, 0,
4865 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
,
4867 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
, 0, 16,
4868 mask
, NL80211_MESHCONF_HT_OPMODE
,
4870 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathToRootTimeout
,
4872 NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT
,
4874 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMProotInterval
, 1, 65535,
4875 mask
, NL80211_MESHCONF_HWMP_ROOT_INTERVAL
,
4877 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
4878 dot11MeshHWMPconfirmationInterval
,
4880 NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL
,
4882 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, power_mode
,
4883 NL80211_MESH_POWER_ACTIVE
,
4884 NL80211_MESH_POWER_MAX
,
4885 mask
, NL80211_MESHCONF_POWER_MODE
,
4887 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshAwakeWindowDuration
,
4889 NL80211_MESHCONF_AWAKE_WINDOW
, nla_get_u16
);
4890 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, plink_timeout
, 1, 0xffffffff,
4891 mask
, NL80211_MESHCONF_PLINK_TIMEOUT
,
4898 #undef FILL_IN_MESH_PARAM_IF_SET
4901 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
4902 struct mesh_setup
*setup
)
4904 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4905 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
4907 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
4909 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
4910 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
4911 nl80211_mesh_setup_params_policy
))
4914 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
4915 setup
->sync_method
=
4916 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
4917 IEEE80211_SYNC_METHOD_VENDOR
:
4918 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
4920 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
4921 setup
->path_sel_proto
=
4922 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
4923 IEEE80211_PATH_PROTOCOL_VENDOR
:
4924 IEEE80211_PATH_PROTOCOL_HWMP
;
4926 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
4927 setup
->path_metric
=
4928 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
4929 IEEE80211_PATH_METRIC_VENDOR
:
4930 IEEE80211_PATH_METRIC_AIRTIME
;
4933 if (tb
[NL80211_MESH_SETUP_IE
]) {
4934 struct nlattr
*ieattr
=
4935 tb
[NL80211_MESH_SETUP_IE
];
4936 if (!is_valid_ie_attr(ieattr
))
4938 setup
->ie
= nla_data(ieattr
);
4939 setup
->ie_len
= nla_len(ieattr
);
4941 if (tb
[NL80211_MESH_SETUP_USERSPACE_MPM
] &&
4942 !(rdev
->wiphy
.features
& NL80211_FEATURE_USERSPACE_MPM
))
4944 setup
->user_mpm
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_MPM
]);
4945 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
4946 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
4947 if (setup
->is_secure
)
4948 setup
->user_mpm
= true;
4950 if (tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]) {
4951 if (!setup
->user_mpm
)
4954 nla_get_u8(tb
[NL80211_MESH_SETUP_AUTH_PROTOCOL
]);
4960 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
4961 struct genl_info
*info
)
4963 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4964 struct net_device
*dev
= info
->user_ptr
[1];
4965 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
4966 struct mesh_config cfg
;
4970 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
4973 if (!rdev
->ops
->update_mesh_config
)
4976 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
4981 if (!wdev
->mesh_id_len
)
4985 err
= rdev_update_mesh_config(rdev
, dev
, mask
, &cfg
);
4992 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
4994 const struct ieee80211_regdomain
*regdom
;
4995 struct sk_buff
*msg
;
4997 struct nlattr
*nl_reg_rules
;
5000 if (!cfg80211_regdomain
)
5003 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5007 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
5008 NL80211_CMD_GET_REG
);
5012 if (reg_last_request_cell_base() &&
5013 nla_put_u32(msg
, NL80211_ATTR_USER_REG_HINT_TYPE
,
5014 NL80211_USER_REG_HINT_CELL_BASE
))
5015 goto nla_put_failure
;
5018 regdom
= rcu_dereference(cfg80211_regdomain
);
5020 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
, regdom
->alpha2
) ||
5021 (regdom
->dfs_region
&&
5022 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
, regdom
->dfs_region
)))
5023 goto nla_put_failure_rcu
;
5025 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
5027 goto nla_put_failure_rcu
;
5029 for (i
= 0; i
< regdom
->n_reg_rules
; i
++) {
5030 struct nlattr
*nl_reg_rule
;
5031 const struct ieee80211_reg_rule
*reg_rule
;
5032 const struct ieee80211_freq_range
*freq_range
;
5033 const struct ieee80211_power_rule
*power_rule
;
5035 reg_rule
= ®dom
->reg_rules
[i
];
5036 freq_range
= ®_rule
->freq_range
;
5037 power_rule
= ®_rule
->power_rule
;
5039 nl_reg_rule
= nla_nest_start(msg
, i
);
5041 goto nla_put_failure_rcu
;
5043 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
5045 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
5046 freq_range
->start_freq_khz
) ||
5047 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
5048 freq_range
->end_freq_khz
) ||
5049 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
5050 freq_range
->max_bandwidth_khz
) ||
5051 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
5052 power_rule
->max_antenna_gain
) ||
5053 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
5054 power_rule
->max_eirp
))
5055 goto nla_put_failure_rcu
;
5057 nla_nest_end(msg
, nl_reg_rule
);
5061 nla_nest_end(msg
, nl_reg_rules
);
5063 genlmsg_end(msg
, hdr
);
5064 return genlmsg_reply(msg
, info
);
5066 nla_put_failure_rcu
:
5069 genlmsg_cancel(msg
, hdr
);
5075 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
5077 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
5078 struct nlattr
*nl_reg_rule
;
5079 char *alpha2
= NULL
;
5080 int rem_reg_rules
= 0, r
= 0;
5081 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
5083 struct ieee80211_regdomain
*rd
= NULL
;
5085 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
5088 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
5091 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
5093 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
5094 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
5096 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5099 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
5103 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
5104 num_rules
* sizeof(struct ieee80211_reg_rule
);
5106 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
5110 rd
->n_reg_rules
= num_rules
;
5111 rd
->alpha2
[0] = alpha2
[0];
5112 rd
->alpha2
[1] = alpha2
[1];
5115 * Disable DFS master mode if the DFS region was
5116 * not supported or known on this kernel.
5118 if (reg_supported_dfs_region(dfs_region
))
5119 rd
->dfs_region
= dfs_region
;
5121 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
5123 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
5124 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
5126 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
5132 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
5139 /* set_regdom took ownership */
5147 static int validate_scan_freqs(struct nlattr
*freqs
)
5149 struct nlattr
*attr1
, *attr2
;
5150 int n_channels
= 0, tmp1
, tmp2
;
5152 nla_for_each_nested(attr1
, freqs
, tmp1
) {
5155 * Some hardware has a limited channel list for
5156 * scanning, and it is pretty much nonsensical
5157 * to scan for a channel twice, so disallow that
5158 * and don't require drivers to check that the
5159 * channel list they get isn't longer than what
5160 * they can scan, as long as they can scan all
5161 * the channels they registered at once.
5163 nla_for_each_nested(attr2
, freqs
, tmp2
)
5164 if (attr1
!= attr2
&&
5165 nla_get_u32(attr1
) == nla_get_u32(attr2
))
5172 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
5174 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5175 struct wireless_dev
*wdev
= info
->user_ptr
[1];
5176 struct cfg80211_scan_request
*request
;
5177 struct nlattr
*attr
;
5178 struct wiphy
*wiphy
;
5179 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
5182 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5185 wiphy
= &rdev
->wiphy
;
5187 if (!rdev
->ops
->scan
)
5190 if (rdev
->scan_req
) {
5195 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5196 n_channels
= validate_scan_freqs(
5197 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5203 enum ieee80211_band band
;
5206 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
5207 if (wiphy
->bands
[band
])
5208 n_channels
+= wiphy
->bands
[band
]->n_channels
;
5211 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5212 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
5215 if (n_ssids
> wiphy
->max_scan_ssids
) {
5220 if (info
->attrs
[NL80211_ATTR_IE
])
5221 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5225 if (ie_len
> wiphy
->max_scan_ie_len
) {
5230 request
= kzalloc(sizeof(*request
)
5231 + sizeof(*request
->ssids
) * n_ssids
5232 + sizeof(*request
->channels
) * n_channels
5233 + ie_len
, GFP_KERNEL
);
5240 request
->ssids
= (void *)&request
->channels
[n_channels
];
5241 request
->n_ssids
= n_ssids
;
5244 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5246 request
->ie
= (void *)(request
->channels
+ n_channels
);
5250 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5251 /* user specified, bail out if channel not found */
5252 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
5253 struct ieee80211_channel
*chan
;
5255 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5262 /* ignore disabled channels */
5263 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5266 request
->channels
[i
] = chan
;
5270 enum ieee80211_band band
;
5273 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5275 if (!wiphy
->bands
[band
])
5277 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5278 struct ieee80211_channel
*chan
;
5280 chan
= &wiphy
->bands
[band
]->channels
[j
];
5282 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5285 request
->channels
[i
] = chan
;
5296 request
->n_channels
= i
;
5299 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5300 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
5301 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5305 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5306 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
5311 if (info
->attrs
[NL80211_ATTR_IE
]) {
5312 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5313 memcpy((void *)request
->ie
,
5314 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5318 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
5319 if (wiphy
->bands
[i
])
5321 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
5323 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
5324 nla_for_each_nested(attr
,
5325 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
5327 enum ieee80211_band band
= nla_type(attr
);
5329 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
5333 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
5336 &request
->rates
[band
]);
5342 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5343 request
->flags
= nla_get_u32(
5344 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5345 if (((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5346 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) ||
5347 ((request
->flags
& NL80211_SCAN_FLAG_FLUSH
) &&
5348 !(wiphy
->features
& NL80211_FEATURE_SCAN_FLUSH
))) {
5355 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5357 request
->wdev
= wdev
;
5358 request
->wiphy
= &rdev
->wiphy
;
5359 request
->scan_start
= jiffies
;
5361 rdev
->scan_req
= request
;
5362 err
= rdev_scan(rdev
, request
);
5365 nl80211_send_scan_start(rdev
, wdev
);
5367 dev_hold(wdev
->netdev
);
5370 rdev
->scan_req
= NULL
;
5378 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
5379 struct genl_info
*info
)
5381 struct cfg80211_sched_scan_request
*request
;
5382 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5383 struct net_device
*dev
= info
->user_ptr
[1];
5384 struct nlattr
*attr
;
5385 struct wiphy
*wiphy
;
5386 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
5388 enum ieee80211_band band
;
5390 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
5392 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5393 !rdev
->ops
->sched_scan_start
)
5396 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5399 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
5402 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
5406 wiphy
= &rdev
->wiphy
;
5408 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5409 n_channels
= validate_scan_freqs(
5410 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
5416 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
5417 if (wiphy
->bands
[band
])
5418 n_channels
+= wiphy
->bands
[band
]->n_channels
;
5421 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
5422 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5426 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
5429 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
])
5430 nla_for_each_nested(attr
,
5431 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5435 if (n_match_sets
> wiphy
->max_match_sets
)
5438 if (info
->attrs
[NL80211_ATTR_IE
])
5439 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5443 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
5446 if (rdev
->sched_scan_req
) {
5451 request
= kzalloc(sizeof(*request
)
5452 + sizeof(*request
->ssids
) * n_ssids
5453 + sizeof(*request
->match_sets
) * n_match_sets
5454 + sizeof(*request
->channels
) * n_channels
5455 + ie_len
, GFP_KERNEL
);
5462 request
->ssids
= (void *)&request
->channels
[n_channels
];
5463 request
->n_ssids
= n_ssids
;
5466 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
5468 request
->ie
= (void *)(request
->channels
+ n_channels
);
5473 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
5474 else if (request
->ssids
)
5475 request
->match_sets
=
5476 (void *)(request
->ssids
+ n_ssids
);
5478 request
->match_sets
=
5479 (void *)(request
->channels
+ n_channels
);
5481 request
->n_match_sets
= n_match_sets
;
5484 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
5485 /* user specified, bail out if channel not found */
5486 nla_for_each_nested(attr
,
5487 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
5489 struct ieee80211_channel
*chan
;
5491 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
5498 /* ignore disabled channels */
5499 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5502 request
->channels
[i
] = chan
;
5507 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
5509 if (!wiphy
->bands
[band
])
5511 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
5512 struct ieee80211_channel
*chan
;
5514 chan
= &wiphy
->bands
[band
]->channels
[j
];
5516 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
5519 request
->channels
[i
] = chan
;
5530 request
->n_channels
= i
;
5533 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
5534 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
5536 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
5540 request
->ssids
[i
].ssid_len
= nla_len(attr
);
5541 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
5548 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
5549 nla_for_each_nested(attr
,
5550 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
5552 struct nlattr
*ssid
, *rssi
;
5554 nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
5555 nla_data(attr
), nla_len(attr
),
5556 nl80211_match_policy
);
5557 ssid
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID
];
5559 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
5563 memcpy(request
->match_sets
[i
].ssid
.ssid
,
5564 nla_data(ssid
), nla_len(ssid
));
5565 request
->match_sets
[i
].ssid
.ssid_len
=
5568 rssi
= tb
[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI
];
5570 request
->rssi_thold
= nla_get_u32(rssi
);
5572 request
->rssi_thold
=
5573 NL80211_SCAN_RSSI_THOLD_OFF
;
5578 if (info
->attrs
[NL80211_ATTR_IE
]) {
5579 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5580 memcpy((void *)request
->ie
,
5581 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5585 if (info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]) {
5586 request
->flags
= nla_get_u32(
5587 info
->attrs
[NL80211_ATTR_SCAN_FLAGS
]);
5588 if (((request
->flags
& NL80211_SCAN_FLAG_LOW_PRIORITY
) &&
5589 !(wiphy
->features
& NL80211_FEATURE_LOW_PRIORITY_SCAN
)) ||
5590 ((request
->flags
& NL80211_SCAN_FLAG_FLUSH
) &&
5591 !(wiphy
->features
& NL80211_FEATURE_SCAN_FLUSH
))) {
5598 request
->wiphy
= &rdev
->wiphy
;
5599 request
->interval
= interval
;
5600 request
->scan_start
= jiffies
;
5602 err
= rdev_sched_scan_start(rdev
, dev
, request
);
5604 rdev
->sched_scan_req
= request
;
5605 nl80211_send_sched_scan(rdev
, dev
,
5606 NL80211_CMD_START_SCHED_SCAN
);
5616 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
5617 struct genl_info
*info
)
5619 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5621 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
5622 !rdev
->ops
->sched_scan_stop
)
5625 return __cfg80211_stop_sched_scan(rdev
, false);
5628 static int nl80211_start_radar_detection(struct sk_buff
*skb
,
5629 struct genl_info
*info
)
5631 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5632 struct net_device
*dev
= info
->user_ptr
[1];
5633 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5634 struct cfg80211_chan_def chandef
;
5637 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
5641 if (netif_carrier_ok(dev
))
5644 if (wdev
->cac_started
)
5647 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
, &chandef
);
5654 if (chandef
.chan
->dfs_state
!= NL80211_DFS_USABLE
)
5657 if (!rdev
->ops
->start_radar_detection
)
5660 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
5661 chandef
.chan
, CHAN_MODE_SHARED
,
5662 BIT(chandef
.width
));
5666 err
= rdev
->ops
->start_radar_detection(&rdev
->wiphy
, dev
, &chandef
);
5668 wdev
->channel
= chandef
.chan
;
5669 wdev
->cac_started
= true;
5670 wdev
->cac_start_time
= jiffies
;
5675 static int nl80211_channel_switch(struct sk_buff
*skb
, struct genl_info
*info
)
5677 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5678 struct net_device
*dev
= info
->user_ptr
[1];
5679 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
5680 struct cfg80211_csa_settings params
;
5681 /* csa_attrs is defined static to avoid waste of stack size - this
5682 * function is called under RTNL lock, so this should not be a problem.
5684 static struct nlattr
*csa_attrs
[NL80211_ATTR_MAX
+1];
5685 u8 radar_detect_width
= 0;
5687 bool need_new_beacon
= false;
5689 if (!rdev
->ops
->channel_switch
||
5690 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_CHANNEL_SWITCH
))
5693 switch (dev
->ieee80211_ptr
->iftype
) {
5694 case NL80211_IFTYPE_AP
:
5695 case NL80211_IFTYPE_P2P_GO
:
5696 need_new_beacon
= true;
5698 /* useless if AP is not running */
5699 if (!wdev
->beacon_interval
)
5702 case NL80211_IFTYPE_ADHOC
:
5703 case NL80211_IFTYPE_MESH_POINT
:
5709 memset(¶ms
, 0, sizeof(params
));
5711 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5712 !info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
])
5715 /* only important for AP, IBSS and mesh create IEs internally */
5716 if (need_new_beacon
&& !info
->attrs
[NL80211_ATTR_CSA_IES
])
5719 params
.count
= nla_get_u32(info
->attrs
[NL80211_ATTR_CH_SWITCH_COUNT
]);
5721 if (!need_new_beacon
)
5724 err
= nl80211_parse_beacon(info
->attrs
, ¶ms
.beacon_after
);
5728 err
= nla_parse_nested(csa_attrs
, NL80211_ATTR_MAX
,
5729 info
->attrs
[NL80211_ATTR_CSA_IES
],
5734 err
= nl80211_parse_beacon(csa_attrs
, ¶ms
.beacon_csa
);
5738 if (!csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
])
5741 params
.counter_offset_beacon
=
5742 nla_get_u16(csa_attrs
[NL80211_ATTR_CSA_C_OFF_BEACON
]);
5743 if (params
.counter_offset_beacon
>= params
.beacon_csa
.tail_len
)
5746 /* sanity check - counters should be the same */
5747 if (params
.beacon_csa
.tail
[params
.counter_offset_beacon
] !=
5751 if (csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]) {
5752 params
.counter_offset_presp
=
5753 nla_get_u16(csa_attrs
[NL80211_ATTR_CSA_C_OFF_PRESP
]);
5754 if (params
.counter_offset_presp
>=
5755 params
.beacon_csa
.probe_resp_len
)
5758 if (params
.beacon_csa
.probe_resp
[params
.counter_offset_presp
] !=
5764 err
= nl80211_parse_chandef(rdev
, info
, ¶ms
.chandef
);
5768 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, ¶ms
.chandef
))
5771 if (dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_AP
||
5772 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_P2P_GO
||
5773 dev
->ieee80211_ptr
->iftype
== NL80211_IFTYPE_ADHOC
) {
5774 err
= cfg80211_chandef_dfs_required(wdev
->wiphy
,
5779 radar_detect_width
= BIT(params
.chandef
.width
);
5780 params
.radar_required
= true;
5784 err
= cfg80211_can_use_iftype_chan(rdev
, wdev
, wdev
->iftype
,
5785 params
.chandef
.chan
,
5787 radar_detect_width
);
5791 if (info
->attrs
[NL80211_ATTR_CH_SWITCH_BLOCK_TX
])
5792 params
.block_tx
= true;
5794 return rdev_channel_switch(rdev
, dev
, ¶ms
);
5797 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
5799 struct cfg80211_registered_device
*rdev
,
5800 struct wireless_dev
*wdev
,
5801 struct cfg80211_internal_bss
*intbss
)
5803 struct cfg80211_bss
*res
= &intbss
->pub
;
5804 const struct cfg80211_bss_ies
*ies
;
5809 ASSERT_WDEV_LOCK(wdev
);
5811 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).portid
, seq
, flags
,
5812 NL80211_CMD_NEW_SCAN_RESULTS
);
5816 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
5818 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
))
5819 goto nla_put_failure
;
5821 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
5822 goto nla_put_failure
;
5823 if (nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
5824 goto nla_put_failure
;
5826 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
5828 goto nla_put_failure
;
5829 if ((!is_zero_ether_addr(res
->bssid
) &&
5830 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)))
5831 goto nla_put_failure
;
5834 ies
= rcu_dereference(res
->ies
);
5836 if (nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
5837 goto fail_unlock_rcu
;
5839 if (ies
->len
&& nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
5840 ies
->len
, ies
->data
))
5841 goto fail_unlock_rcu
;
5843 ies
= rcu_dereference(res
->beacon_ies
);
5845 if (!tsf
&& nla_put_u64(msg
, NL80211_BSS_TSF
, ies
->tsf
))
5846 goto fail_unlock_rcu
;
5847 if (ies
->len
&& nla_put(msg
, NL80211_BSS_BEACON_IES
,
5848 ies
->len
, ies
->data
))
5849 goto fail_unlock_rcu
;
5853 if (res
->beacon_interval
&&
5854 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
5855 goto nla_put_failure
;
5856 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
5857 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
5858 nla_put_u32(msg
, NL80211_BSS_CHAN_WIDTH
, res
->scan_width
) ||
5859 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
5860 jiffies_to_msecs(jiffies
- intbss
->ts
)))
5861 goto nla_put_failure
;
5863 switch (rdev
->wiphy
.signal_type
) {
5864 case CFG80211_SIGNAL_TYPE_MBM
:
5865 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
5866 goto nla_put_failure
;
5868 case CFG80211_SIGNAL_TYPE_UNSPEC
:
5869 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
5870 goto nla_put_failure
;
5876 switch (wdev
->iftype
) {
5877 case NL80211_IFTYPE_P2P_CLIENT
:
5878 case NL80211_IFTYPE_STATION
:
5879 if (intbss
== wdev
->current_bss
&&
5880 nla_put_u32(msg
, NL80211_BSS_STATUS
,
5881 NL80211_BSS_STATUS_ASSOCIATED
))
5882 goto nla_put_failure
;
5884 case NL80211_IFTYPE_ADHOC
:
5885 if (intbss
== wdev
->current_bss
&&
5886 nla_put_u32(msg
, NL80211_BSS_STATUS
,
5887 NL80211_BSS_STATUS_IBSS_JOINED
))
5888 goto nla_put_failure
;
5894 nla_nest_end(msg
, bss
);
5896 return genlmsg_end(msg
, hdr
);
5901 genlmsg_cancel(msg
, hdr
);
5905 static int nl80211_dump_scan(struct sk_buff
*skb
, struct netlink_callback
*cb
)
5907 struct cfg80211_registered_device
*rdev
;
5908 struct cfg80211_internal_bss
*scan
;
5909 struct wireless_dev
*wdev
;
5910 int start
= cb
->args
[2], idx
= 0;
5913 err
= nl80211_prepare_wdev_dump(skb
, cb
, &rdev
, &wdev
);
5918 spin_lock_bh(&rdev
->bss_lock
);
5919 cfg80211_bss_expire(rdev
);
5921 cb
->seq
= rdev
->bss_generation
;
5923 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
5926 if (nl80211_send_bss(skb
, cb
,
5927 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5928 rdev
, wdev
, scan
) < 0) {
5934 spin_unlock_bh(&rdev
->bss_lock
);
5938 nl80211_finish_wdev_dump(rdev
);
5943 static int nl80211_send_survey(struct sk_buff
*msg
, u32 portid
, u32 seq
,
5944 int flags
, struct net_device
*dev
,
5945 struct survey_info
*survey
)
5948 struct nlattr
*infoattr
;
5950 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
,
5951 NL80211_CMD_NEW_SURVEY_RESULTS
);
5955 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
5956 goto nla_put_failure
;
5958 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
5960 goto nla_put_failure
;
5962 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
5963 survey
->channel
->center_freq
))
5964 goto nla_put_failure
;
5966 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
5967 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
5968 goto nla_put_failure
;
5969 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
5970 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
5971 goto nla_put_failure
;
5972 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
5973 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
5974 survey
->channel_time
))
5975 goto nla_put_failure
;
5976 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
5977 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
5978 survey
->channel_time_busy
))
5979 goto nla_put_failure
;
5980 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
5981 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
5982 survey
->channel_time_ext_busy
))
5983 goto nla_put_failure
;
5984 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
5985 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
5986 survey
->channel_time_rx
))
5987 goto nla_put_failure
;
5988 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
5989 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
5990 survey
->channel_time_tx
))
5991 goto nla_put_failure
;
5993 nla_nest_end(msg
, infoattr
);
5995 return genlmsg_end(msg
, hdr
);
5998 genlmsg_cancel(msg
, hdr
);
6002 static int nl80211_dump_survey(struct sk_buff
*skb
,
6003 struct netlink_callback
*cb
)
6005 struct survey_info survey
;
6006 struct cfg80211_registered_device
*dev
;
6007 struct wireless_dev
*wdev
;
6008 int survey_idx
= cb
->args
[2];
6011 res
= nl80211_prepare_wdev_dump(skb
, cb
, &dev
, &wdev
);
6015 if (!wdev
->netdev
) {
6020 if (!dev
->ops
->dump_survey
) {
6026 struct ieee80211_channel
*chan
;
6028 res
= rdev_dump_survey(dev
, wdev
->netdev
, survey_idx
, &survey
);
6034 /* Survey without a channel doesn't make sense */
6035 if (!survey
.channel
) {
6040 chan
= ieee80211_get_channel(&dev
->wiphy
,
6041 survey
.channel
->center_freq
);
6042 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
6047 if (nl80211_send_survey(skb
,
6048 NETLINK_CB(cb
->skb
).portid
,
6049 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6050 wdev
->netdev
, &survey
) < 0)
6056 cb
->args
[2] = survey_idx
;
6059 nl80211_finish_wdev_dump(dev
);
6063 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
6065 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
6066 NL80211_WPA_VERSION_2
));
6069 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6071 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6072 struct net_device
*dev
= info
->user_ptr
[1];
6073 struct ieee80211_channel
*chan
;
6074 const u8
*bssid
, *ssid
, *ie
= NULL
, *sae_data
= NULL
;
6075 int err
, ssid_len
, ie_len
= 0, sae_data_len
= 0;
6076 enum nl80211_auth_type auth_type
;
6077 struct key_parse key
;
6078 bool local_state_change
;
6080 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6083 if (!info
->attrs
[NL80211_ATTR_MAC
])
6086 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
6089 if (!info
->attrs
[NL80211_ATTR_SSID
])
6092 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6095 err
= nl80211_parse_key(info
, &key
);
6100 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
6102 if (!key
.p
.key
|| !key
.p
.key_len
)
6104 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
6105 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
6106 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
6107 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
6119 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
6120 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
6129 if (!rdev
->ops
->auth
)
6132 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6133 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6136 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6137 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6138 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6139 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
6142 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6143 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6145 if (info
->attrs
[NL80211_ATTR_IE
]) {
6146 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6147 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6150 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6151 if (!nl80211_valid_auth_type(rdev
, auth_type
, NL80211_CMD_AUTHENTICATE
))
6154 if (auth_type
== NL80211_AUTHTYPE_SAE
&&
6155 !info
->attrs
[NL80211_ATTR_SAE_DATA
])
6158 if (info
->attrs
[NL80211_ATTR_SAE_DATA
]) {
6159 if (auth_type
!= NL80211_AUTHTYPE_SAE
)
6161 sae_data
= nla_data(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6162 sae_data_len
= nla_len(info
->attrs
[NL80211_ATTR_SAE_DATA
]);
6163 /* need to include at least Auth Transaction and Status Code */
6164 if (sae_data_len
< 4)
6168 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6171 * Since we no longer track auth state, ignore
6172 * requests to only change local state.
6174 if (local_state_change
)
6177 wdev_lock(dev
->ieee80211_ptr
);
6178 err
= cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
6179 ssid
, ssid_len
, ie
, ie_len
,
6180 key
.p
.key
, key
.p
.key_len
, key
.idx
,
6181 sae_data
, sae_data_len
);
6182 wdev_unlock(dev
->ieee80211_ptr
);
6186 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
6187 struct genl_info
*info
,
6188 struct cfg80211_crypto_settings
*settings
,
6191 memset(settings
, 0, sizeof(*settings
));
6193 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
6195 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
6197 proto
= nla_get_u16(
6198 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
6199 settings
->control_port_ethertype
= cpu_to_be16(proto
);
6200 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
6203 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
6204 settings
->control_port_no_encrypt
= true;
6206 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
6208 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
6212 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6213 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
6214 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
6216 if (len
% sizeof(u32
))
6219 if (settings
->n_ciphers_pairwise
> cipher_limit
)
6222 memcpy(settings
->ciphers_pairwise
, data
, len
);
6224 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
6225 if (!cfg80211_supported_cipher_suite(
6227 settings
->ciphers_pairwise
[i
]))
6231 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
6232 settings
->cipher_group
=
6233 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
6234 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
6235 settings
->cipher_group
))
6239 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
6240 settings
->wpa_versions
=
6241 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
6242 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
6246 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
6250 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6251 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
6252 settings
->n_akm_suites
= len
/ sizeof(u32
);
6254 if (len
% sizeof(u32
))
6257 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
6260 memcpy(settings
->akm_suites
, data
, len
);
6266 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
6268 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6269 struct net_device
*dev
= info
->user_ptr
[1];
6270 struct ieee80211_channel
*chan
;
6271 struct cfg80211_assoc_request req
= {};
6272 const u8
*bssid
, *ssid
;
6273 int err
, ssid_len
= 0;
6275 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6278 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
6279 !info
->attrs
[NL80211_ATTR_SSID
] ||
6280 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
6283 if (!rdev
->ops
->assoc
)
6286 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6287 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6290 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6292 chan
= ieee80211_get_channel(&rdev
->wiphy
,
6293 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6294 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
6297 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6298 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6300 if (info
->attrs
[NL80211_ATTR_IE
]) {
6301 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6302 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6305 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6306 enum nl80211_mfp mfp
=
6307 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6308 if (mfp
== NL80211_MFP_REQUIRED
)
6310 else if (mfp
!= NL80211_MFP_NO
)
6314 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
6315 req
.prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
6317 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6318 req
.flags
|= ASSOC_REQ_DISABLE_HT
;
6320 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6321 memcpy(&req
.ht_capa_mask
,
6322 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6323 sizeof(req
.ht_capa_mask
));
6325 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6326 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6328 memcpy(&req
.ht_capa
,
6329 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6330 sizeof(req
.ht_capa
));
6333 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6334 req
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6336 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6337 memcpy(&req
.vht_capa_mask
,
6338 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6339 sizeof(req
.vht_capa_mask
));
6341 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
6342 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6344 memcpy(&req
.vht_capa
,
6345 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
6346 sizeof(req
.vht_capa
));
6349 err
= nl80211_crypto_settings(rdev
, info
, &req
.crypto
, 1);
6351 wdev_lock(dev
->ieee80211_ptr
);
6352 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
,
6353 ssid
, ssid_len
, &req
);
6354 wdev_unlock(dev
->ieee80211_ptr
);
6360 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
6362 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6363 struct net_device
*dev
= info
->user_ptr
[1];
6364 const u8
*ie
= NULL
, *bssid
;
6365 int ie_len
= 0, err
;
6367 bool local_state_change
;
6369 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6372 if (!info
->attrs
[NL80211_ATTR_MAC
])
6375 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6378 if (!rdev
->ops
->deauth
)
6381 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6382 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6385 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6387 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6388 if (reason_code
== 0) {
6389 /* Reason Code 0 is reserved */
6393 if (info
->attrs
[NL80211_ATTR_IE
]) {
6394 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6395 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6398 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6400 wdev_lock(dev
->ieee80211_ptr
);
6401 err
= cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6402 local_state_change
);
6403 wdev_unlock(dev
->ieee80211_ptr
);
6407 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
6409 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6410 struct net_device
*dev
= info
->user_ptr
[1];
6411 const u8
*ie
= NULL
, *bssid
;
6412 int ie_len
= 0, err
;
6414 bool local_state_change
;
6416 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6419 if (!info
->attrs
[NL80211_ATTR_MAC
])
6422 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
6425 if (!rdev
->ops
->disassoc
)
6428 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6429 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6432 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6434 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
6435 if (reason_code
== 0) {
6436 /* Reason Code 0 is reserved */
6440 if (info
->attrs
[NL80211_ATTR_IE
]) {
6441 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6442 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6445 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
6447 wdev_lock(dev
->ieee80211_ptr
);
6448 err
= cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
6449 local_state_change
);
6450 wdev_unlock(dev
->ieee80211_ptr
);
6455 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
6456 int mcast_rate
[IEEE80211_NUM_BANDS
],
6459 struct wiphy
*wiphy
= &rdev
->wiphy
;
6463 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
6464 struct ieee80211_supported_band
*sband
;
6466 sband
= wiphy
->bands
[band
];
6470 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
6471 if (sband
->bitrates
[i
].bitrate
== rateval
) {
6472 mcast_rate
[band
] = i
+ 1;
6482 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6484 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6485 struct net_device
*dev
= info
->user_ptr
[1];
6486 struct cfg80211_ibss_params ibss
;
6487 struct wiphy
*wiphy
;
6488 struct cfg80211_cached_keys
*connkeys
= NULL
;
6491 memset(&ibss
, 0, sizeof(ibss
));
6493 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6496 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6497 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6500 ibss
.beacon_interval
= 100;
6502 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
6503 ibss
.beacon_interval
=
6504 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
6505 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
6509 if (!rdev
->ops
->join_ibss
)
6512 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6515 wiphy
= &rdev
->wiphy
;
6517 if (info
->attrs
[NL80211_ATTR_MAC
]) {
6518 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6520 if (!is_valid_ether_addr(ibss
.bssid
))
6523 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6524 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6526 if (info
->attrs
[NL80211_ATTR_IE
]) {
6527 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6528 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6531 err
= nl80211_parse_chandef(rdev
, info
, &ibss
.chandef
);
6535 if (!cfg80211_reg_can_beacon(&rdev
->wiphy
, &ibss
.chandef
))
6538 switch (ibss
.chandef
.width
) {
6539 case NL80211_CHAN_WIDTH_5
:
6540 case NL80211_CHAN_WIDTH_10
:
6541 case NL80211_CHAN_WIDTH_20_NOHT
:
6543 case NL80211_CHAN_WIDTH_20
:
6544 case NL80211_CHAN_WIDTH_40
:
6545 if (rdev
->wiphy
.features
& NL80211_FEATURE_HT_IBSS
)
6551 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
6552 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
6554 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
6556 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6558 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
6559 struct ieee80211_supported_band
*sband
=
6560 wiphy
->bands
[ibss
.chandef
.chan
->band
];
6562 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
6568 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6569 memcpy(&ibss
.ht_capa_mask
,
6570 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6571 sizeof(ibss
.ht_capa_mask
));
6573 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6574 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6576 memcpy(&ibss
.ht_capa
,
6577 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6578 sizeof(ibss
.ht_capa
));
6581 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
6582 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
6583 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
6586 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
6589 connkeys
= nl80211_parse_connkeys(rdev
,
6590 info
->attrs
[NL80211_ATTR_KEYS
],
6592 if (IS_ERR(connkeys
))
6593 return PTR_ERR(connkeys
);
6595 if ((ibss
.chandef
.width
!= NL80211_CHAN_WIDTH_20_NOHT
) &&
6603 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
6605 ibss
.userspace_handles_dfs
=
6606 nla_get_flag(info
->attrs
[NL80211_ATTR_HANDLE_DFS
]);
6608 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
6614 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
6616 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6617 struct net_device
*dev
= info
->user_ptr
[1];
6619 if (!rdev
->ops
->leave_ibss
)
6622 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
6625 return cfg80211_leave_ibss(rdev
, dev
, false);
6628 static int nl80211_set_mcast_rate(struct sk_buff
*skb
, struct genl_info
*info
)
6630 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6631 struct net_device
*dev
= info
->user_ptr
[1];
6632 int mcast_rate
[IEEE80211_NUM_BANDS
];
6636 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
6637 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
6640 if (!rdev
->ops
->set_mcast_rate
)
6643 memset(mcast_rate
, 0, sizeof(mcast_rate
));
6645 if (!info
->attrs
[NL80211_ATTR_MCAST_RATE
])
6648 nla_rate
= nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
]);
6649 if (!nl80211_parse_mcast_rate(rdev
, mcast_rate
, nla_rate
))
6652 err
= rdev
->ops
->set_mcast_rate(&rdev
->wiphy
, dev
, mcast_rate
);
6658 #ifdef CONFIG_NL80211_TESTMODE
6659 static struct genl_multicast_group nl80211_testmode_mcgrp
= {
6663 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
6665 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6666 struct wireless_dev
*wdev
=
6667 __cfg80211_wdev_from_attrs(genl_info_net(info
), info
->attrs
);
6670 if (!rdev
->ops
->testmode_cmd
)
6674 err
= PTR_ERR(wdev
);
6678 } else if (wdev
->wiphy
!= &rdev
->wiphy
) {
6682 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
6685 rdev
->testmode_info
= info
;
6686 err
= rdev_testmode_cmd(rdev
, wdev
,
6687 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
6688 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
6689 rdev
->testmode_info
= NULL
;
6694 static int nl80211_testmode_dump(struct sk_buff
*skb
,
6695 struct netlink_callback
*cb
)
6697 struct cfg80211_registered_device
*rdev
;
6707 * 0 is a valid index, but not valid for args[0],
6708 * so we need to offset by 1.
6710 phy_idx
= cb
->args
[0] - 1;
6712 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
6713 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
6718 rdev
= __cfg80211_rdev_from_attrs(sock_net(skb
->sk
),
6719 nl80211_fam
.attrbuf
);
6721 err
= PTR_ERR(rdev
);
6724 phy_idx
= rdev
->wiphy_idx
;
6727 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
6729 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
6733 data
= nla_data((void *)cb
->args
[1]);
6734 data_len
= nla_len((void *)cb
->args
[1]);
6737 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
6743 if (!rdev
->ops
->testmode_dump
) {
6749 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).portid
,
6750 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
6751 NL80211_CMD_TESTMODE
);
6752 struct nlattr
*tmdata
;
6757 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
6758 genlmsg_cancel(skb
, hdr
);
6762 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
6764 genlmsg_cancel(skb
, hdr
);
6767 err
= rdev_testmode_dump(rdev
, skb
, cb
, data
, data_len
);
6768 nla_nest_end(skb
, tmdata
);
6770 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
6771 genlmsg_cancel(skb
, hdr
);
6774 genlmsg_cancel(skb
, hdr
);
6778 genlmsg_end(skb
, hdr
);
6783 cb
->args
[0] = phy_idx
+ 1;
6789 static struct sk_buff
*
6790 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device
*rdev
,
6791 int approxlen
, u32 portid
, u32 seq
, gfp_t gfp
)
6793 struct sk_buff
*skb
;
6795 struct nlattr
*data
;
6797 skb
= nlmsg_new(approxlen
+ 100, gfp
);
6801 hdr
= nl80211hdr_put(skb
, portid
, seq
, 0, NL80211_CMD_TESTMODE
);
6807 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
6808 goto nla_put_failure
;
6809 data
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
6811 ((void **)skb
->cb
)[0] = rdev
;
6812 ((void **)skb
->cb
)[1] = hdr
;
6813 ((void **)skb
->cb
)[2] = data
;
6822 struct sk_buff
*cfg80211_testmode_alloc_reply_skb(struct wiphy
*wiphy
,
6825 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
6827 if (WARN_ON(!rdev
->testmode_info
))
6830 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
,
6831 rdev
->testmode_info
->snd_portid
,
6832 rdev
->testmode_info
->snd_seq
,
6835 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb
);
6837 int cfg80211_testmode_reply(struct sk_buff
*skb
)
6839 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
6840 void *hdr
= ((void **)skb
->cb
)[1];
6841 struct nlattr
*data
= ((void **)skb
->cb
)[2];
6843 if (WARN_ON(!rdev
->testmode_info
)) {
6848 nla_nest_end(skb
, data
);
6849 genlmsg_end(skb
, hdr
);
6850 return genlmsg_reply(skb
, rdev
->testmode_info
);
6852 EXPORT_SYMBOL(cfg80211_testmode_reply
);
6854 struct sk_buff
*cfg80211_testmode_alloc_event_skb(struct wiphy
*wiphy
,
6855 int approxlen
, gfp_t gfp
)
6857 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
6859 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
, 0, 0, gfp
);
6861 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb
);
6863 void cfg80211_testmode_event(struct sk_buff
*skb
, gfp_t gfp
)
6865 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
6866 void *hdr
= ((void **)skb
->cb
)[1];
6867 struct nlattr
*data
= ((void **)skb
->cb
)[2];
6869 nla_nest_end(skb
, data
);
6870 genlmsg_end(skb
, hdr
);
6871 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), skb
, 0,
6872 nl80211_testmode_mcgrp
.id
, gfp
);
6874 EXPORT_SYMBOL(cfg80211_testmode_event
);
6877 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
6879 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6880 struct net_device
*dev
= info
->user_ptr
[1];
6881 struct cfg80211_connect_params connect
;
6882 struct wiphy
*wiphy
;
6883 struct cfg80211_cached_keys
*connkeys
= NULL
;
6886 memset(&connect
, 0, sizeof(connect
));
6888 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
6891 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
6892 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
6895 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
6897 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
6898 if (!nl80211_valid_auth_type(rdev
, connect
.auth_type
,
6899 NL80211_CMD_CONNECT
))
6902 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
6904 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
6906 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
6907 NL80211_MAX_NR_CIPHER_SUITES
);
6911 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
6912 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
6915 wiphy
= &rdev
->wiphy
;
6917 connect
.bg_scan_period
= -1;
6918 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
6919 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
6920 connect
.bg_scan_period
=
6921 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
6924 if (info
->attrs
[NL80211_ATTR_MAC
])
6925 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6926 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
6927 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
6929 if (info
->attrs
[NL80211_ATTR_IE
]) {
6930 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
6931 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
6934 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
6935 connect
.mfp
= nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
6936 if (connect
.mfp
!= NL80211_MFP_REQUIRED
&&
6937 connect
.mfp
!= NL80211_MFP_NO
)
6940 connect
.mfp
= NL80211_MFP_NO
;
6943 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
6945 ieee80211_get_channel(wiphy
,
6946 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
6947 if (!connect
.channel
||
6948 connect
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
6952 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
6953 connkeys
= nl80211_parse_connkeys(rdev
,
6954 info
->attrs
[NL80211_ATTR_KEYS
], NULL
);
6955 if (IS_ERR(connkeys
))
6956 return PTR_ERR(connkeys
);
6959 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
6960 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
6962 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
6963 memcpy(&connect
.ht_capa_mask
,
6964 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
6965 sizeof(connect
.ht_capa_mask
));
6967 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
6968 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]) {
6972 memcpy(&connect
.ht_capa
,
6973 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
6974 sizeof(connect
.ht_capa
));
6977 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_VHT
]))
6978 connect
.flags
|= ASSOC_REQ_DISABLE_VHT
;
6980 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
])
6981 memcpy(&connect
.vht_capa_mask
,
6982 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]),
6983 sizeof(connect
.vht_capa_mask
));
6985 if (info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]) {
6986 if (!info
->attrs
[NL80211_ATTR_VHT_CAPABILITY_MASK
]) {
6990 memcpy(&connect
.vht_capa
,
6991 nla_data(info
->attrs
[NL80211_ATTR_VHT_CAPABILITY
]),
6992 sizeof(connect
.vht_capa
));
6995 wdev_lock(dev
->ieee80211_ptr
);
6996 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
, NULL
);
6997 wdev_unlock(dev
->ieee80211_ptr
);
7003 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
7005 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7006 struct net_device
*dev
= info
->user_ptr
[1];
7010 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
7011 reason
= WLAN_REASON_DEAUTH_LEAVING
;
7013 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
7018 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7019 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7022 wdev_lock(dev
->ieee80211_ptr
);
7023 ret
= cfg80211_disconnect(rdev
, dev
, reason
, true);
7024 wdev_unlock(dev
->ieee80211_ptr
);
7028 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
7030 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7035 if (!info
->attrs
[NL80211_ATTR_PID
])
7038 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
7040 net
= get_net_ns_by_pid(pid
);
7042 return PTR_ERR(net
);
7046 /* check if anything to do */
7047 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
7048 err
= cfg80211_switch_netns(rdev
, net
);
7054 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7056 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7057 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
7058 struct cfg80211_pmksa
*pmksa
) = NULL
;
7059 struct net_device
*dev
= info
->user_ptr
[1];
7060 struct cfg80211_pmksa pmksa
;
7062 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
7064 if (!info
->attrs
[NL80211_ATTR_MAC
])
7067 if (!info
->attrs
[NL80211_ATTR_PMKID
])
7070 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
7071 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7073 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7074 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7077 switch (info
->genlhdr
->cmd
) {
7078 case NL80211_CMD_SET_PMKSA
:
7079 rdev_ops
= rdev
->ops
->set_pmksa
;
7081 case NL80211_CMD_DEL_PMKSA
:
7082 rdev_ops
= rdev
->ops
->del_pmksa
;
7092 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
7095 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
7097 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7098 struct net_device
*dev
= info
->user_ptr
[1];
7100 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
7101 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7104 if (!rdev
->ops
->flush_pmksa
)
7107 return rdev_flush_pmksa(rdev
, dev
);
7110 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7112 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7113 struct net_device
*dev
= info
->user_ptr
[1];
7114 u8 action_code
, dialog_token
;
7118 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7119 !rdev
->ops
->tdls_mgmt
)
7122 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
7123 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
7124 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
7125 !info
->attrs
[NL80211_ATTR_IE
] ||
7126 !info
->attrs
[NL80211_ATTR_MAC
])
7129 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7130 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
7131 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
7132 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
7134 return rdev_tdls_mgmt(rdev
, dev
, peer
, action_code
,
7135 dialog_token
, status_code
,
7136 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
7137 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
7140 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
7142 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7143 struct net_device
*dev
= info
->user_ptr
[1];
7144 enum nl80211_tdls_operation operation
;
7147 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
7148 !rdev
->ops
->tdls_oper
)
7151 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
7152 !info
->attrs
[NL80211_ATTR_MAC
])
7155 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
7156 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
7158 return rdev_tdls_oper(rdev
, dev
, peer
, operation
);
7161 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
7162 struct genl_info
*info
)
7164 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7165 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7166 struct cfg80211_chan_def chandef
;
7167 struct sk_buff
*msg
;
7173 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
7174 !info
->attrs
[NL80211_ATTR_DURATION
])
7177 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7179 if (!rdev
->ops
->remain_on_channel
||
7180 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
7184 * We should be on that channel for at least a minimum amount of
7185 * time (10ms) but no longer than the driver supports.
7187 if (duration
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7188 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
7191 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7195 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7199 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7200 NL80211_CMD_REMAIN_ON_CHANNEL
);
7206 err
= rdev_remain_on_channel(rdev
, wdev
, chandef
.chan
,
7212 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7213 goto nla_put_failure
;
7215 genlmsg_end(msg
, hdr
);
7217 return genlmsg_reply(msg
, info
);
7226 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
7227 struct genl_info
*info
)
7229 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7230 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7233 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7236 if (!rdev
->ops
->cancel_remain_on_channel
)
7239 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7241 return rdev_cancel_remain_on_channel(rdev
, wdev
, cookie
);
7244 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
7245 u8
*rates
, u8 rates_len
)
7250 for (i
= 0; i
< rates_len
; i
++) {
7251 int rate
= (rates
[i
] & 0x7f) * 5;
7253 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
7254 struct ieee80211_rate
*srate
=
7255 &sband
->bitrates
[ridx
];
7256 if (rate
== srate
->bitrate
) {
7261 if (ridx
== sband
->n_bitrates
)
7262 return 0; /* rate not found */
7268 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
7269 u8
*rates
, u8 rates_len
,
7270 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
7274 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
7276 for (i
= 0; i
< rates_len
; i
++) {
7279 ridx
= rates
[i
] / 8;
7280 rbit
= BIT(rates
[i
] % 8);
7282 /* check validity */
7283 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
7286 /* check availability */
7287 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
7296 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
7297 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
7298 .len
= NL80211_MAX_SUPP_RATES
},
7299 [NL80211_TXRATE_MCS
] = { .type
= NLA_BINARY
,
7300 .len
= NL80211_MAX_SUPP_HT_RATES
},
7303 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
7304 struct genl_info
*info
)
7306 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
7307 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7308 struct cfg80211_bitrate_mask mask
;
7310 struct net_device
*dev
= info
->user_ptr
[1];
7311 struct nlattr
*tx_rates
;
7312 struct ieee80211_supported_band
*sband
;
7314 if (info
->attrs
[NL80211_ATTR_TX_RATES
] == NULL
)
7317 if (!rdev
->ops
->set_bitrate_mask
)
7320 memset(&mask
, 0, sizeof(mask
));
7321 /* Default to all rates enabled */
7322 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
7323 sband
= rdev
->wiphy
.bands
[i
];
7324 mask
.control
[i
].legacy
=
7325 sband
? (1 << sband
->n_bitrates
) - 1 : 0;
7327 memcpy(mask
.control
[i
].mcs
,
7328 sband
->ht_cap
.mcs
.rx_mask
,
7329 sizeof(mask
.control
[i
].mcs
));
7331 memset(mask
.control
[i
].mcs
, 0,
7332 sizeof(mask
.control
[i
].mcs
));
7336 * The nested attribute uses enum nl80211_band as the index. This maps
7337 * directly to the enum ieee80211_band values used in cfg80211.
7339 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
7340 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
)
7342 enum ieee80211_band band
= nla_type(tx_rates
);
7343 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
7345 sband
= rdev
->wiphy
.bands
[band
];
7348 nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
7349 nla_len(tx_rates
), nl80211_txattr_policy
);
7350 if (tb
[NL80211_TXRATE_LEGACY
]) {
7351 mask
.control
[band
].legacy
= rateset_to_mask(
7353 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
7354 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
7355 if ((mask
.control
[band
].legacy
== 0) &&
7356 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
7359 if (tb
[NL80211_TXRATE_MCS
]) {
7360 if (!ht_rateset_to_mask(
7362 nla_data(tb
[NL80211_TXRATE_MCS
]),
7363 nla_len(tb
[NL80211_TXRATE_MCS
]),
7364 mask
.control
[band
].mcs
))
7368 if (mask
.control
[band
].legacy
== 0) {
7369 /* don't allow empty legacy rates if HT
7370 * is not even supported. */
7371 if (!rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
)
7374 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
7375 if (mask
.control
[band
].mcs
[i
])
7378 /* legacy and mcs rates may not be both empty */
7379 if (i
== IEEE80211_HT_MCS_MASK_LEN
)
7384 return rdev_set_bitrate_mask(rdev
, dev
, NULL
, &mask
);
7387 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7389 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7390 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7391 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
7393 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
7396 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
7397 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
7399 switch (wdev
->iftype
) {
7400 case NL80211_IFTYPE_STATION
:
7401 case NL80211_IFTYPE_ADHOC
:
7402 case NL80211_IFTYPE_P2P_CLIENT
:
7403 case NL80211_IFTYPE_AP
:
7404 case NL80211_IFTYPE_AP_VLAN
:
7405 case NL80211_IFTYPE_MESH_POINT
:
7406 case NL80211_IFTYPE_P2P_GO
:
7407 case NL80211_IFTYPE_P2P_DEVICE
:
7413 /* not much point in registering if we can't reply */
7414 if (!rdev
->ops
->mgmt_tx
)
7417 return cfg80211_mlme_register_mgmt(wdev
, info
->snd_portid
, frame_type
,
7418 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
7419 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
7422 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
7424 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7425 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7426 struct cfg80211_chan_def chandef
;
7430 struct sk_buff
*msg
= NULL
;
7431 unsigned int wait
= 0;
7432 bool offchan
, no_cck
, dont_wait_for_ack
;
7434 dont_wait_for_ack
= info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
];
7436 if (!info
->attrs
[NL80211_ATTR_FRAME
])
7439 if (!rdev
->ops
->mgmt_tx
)
7442 switch (wdev
->iftype
) {
7443 case NL80211_IFTYPE_P2P_DEVICE
:
7444 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
7446 case NL80211_IFTYPE_STATION
:
7447 case NL80211_IFTYPE_ADHOC
:
7448 case NL80211_IFTYPE_P2P_CLIENT
:
7449 case NL80211_IFTYPE_AP
:
7450 case NL80211_IFTYPE_AP_VLAN
:
7451 case NL80211_IFTYPE_MESH_POINT
:
7452 case NL80211_IFTYPE_P2P_GO
:
7458 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
7459 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7461 wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
7464 * We should wait on the channel for at least a minimum amount
7465 * of time (10ms) but no longer than the driver supports.
7467 if (wait
< NL80211_MIN_REMAIN_ON_CHANNEL_TIME
||
7468 wait
> rdev
->wiphy
.max_remain_on_channel_duration
)
7473 offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
7475 if (offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
7478 no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
7480 /* get the channel if any has been specified, otherwise pass NULL to
7481 * the driver. The latter will use the current one
7483 chandef
.chan
= NULL
;
7484 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7485 err
= nl80211_parse_chandef(rdev
, info
, &chandef
);
7490 if (!chandef
.chan
&& offchan
)
7493 if (!dont_wait_for_ack
) {
7494 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7498 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7506 err
= cfg80211_mlme_mgmt_tx(rdev
, wdev
, chandef
.chan
, offchan
, wait
,
7507 nla_data(info
->attrs
[NL80211_ATTR_FRAME
]),
7508 nla_len(info
->attrs
[NL80211_ATTR_FRAME
]),
7509 no_cck
, dont_wait_for_ack
, &cookie
);
7514 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7515 goto nla_put_failure
;
7517 genlmsg_end(msg
, hdr
);
7518 return genlmsg_reply(msg
, info
);
7530 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
7532 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7533 struct wireless_dev
*wdev
= info
->user_ptr
[1];
7536 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
7539 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
7542 switch (wdev
->iftype
) {
7543 case NL80211_IFTYPE_STATION
:
7544 case NL80211_IFTYPE_ADHOC
:
7545 case NL80211_IFTYPE_P2P_CLIENT
:
7546 case NL80211_IFTYPE_AP
:
7547 case NL80211_IFTYPE_AP_VLAN
:
7548 case NL80211_IFTYPE_P2P_GO
:
7549 case NL80211_IFTYPE_P2P_DEVICE
:
7555 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
7557 return rdev_mgmt_tx_cancel_wait(rdev
, wdev
, cookie
);
7560 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7562 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7563 struct wireless_dev
*wdev
;
7564 struct net_device
*dev
= info
->user_ptr
[1];
7569 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
7572 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
7574 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
7577 wdev
= dev
->ieee80211_ptr
;
7579 if (!rdev
->ops
->set_power_mgmt
)
7582 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
7584 if (state
== wdev
->ps
)
7587 err
= rdev_set_power_mgmt(rdev
, dev
, state
, wdev
->ps_timeout
);
7593 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
7595 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7596 enum nl80211_ps_state ps_state
;
7597 struct wireless_dev
*wdev
;
7598 struct net_device
*dev
= info
->user_ptr
[1];
7599 struct sk_buff
*msg
;
7603 wdev
= dev
->ieee80211_ptr
;
7605 if (!rdev
->ops
->set_power_mgmt
)
7608 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7612 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7613 NL80211_CMD_GET_POWER_SAVE
);
7620 ps_state
= NL80211_PS_ENABLED
;
7622 ps_state
= NL80211_PS_DISABLED
;
7624 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
7625 goto nla_put_failure
;
7627 genlmsg_end(msg
, hdr
);
7628 return genlmsg_reply(msg
, info
);
7637 static struct nla_policy
7638 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] __read_mostly
= {
7639 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
7640 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
7641 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
7642 [NL80211_ATTR_CQM_TXE_RATE
] = { .type
= NLA_U32
},
7643 [NL80211_ATTR_CQM_TXE_PKTS
] = { .type
= NLA_U32
},
7644 [NL80211_ATTR_CQM_TXE_INTVL
] = { .type
= NLA_U32
},
7647 static int nl80211_set_cqm_txe(struct genl_info
*info
,
7648 u32 rate
, u32 pkts
, u32 intvl
)
7650 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7651 struct net_device
*dev
= info
->user_ptr
[1];
7652 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7654 if (rate
> 100 || intvl
> NL80211_CQM_TXE_MAX_INTVL
)
7657 if (!rdev
->ops
->set_cqm_txe_config
)
7660 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
7661 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7664 return rdev_set_cqm_txe_config(rdev
, dev
, rate
, pkts
, intvl
);
7667 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
7668 s32 threshold
, u32 hysteresis
)
7670 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7671 struct net_device
*dev
= info
->user_ptr
[1];
7672 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7677 /* disabling - hysteresis should also be zero then */
7681 if (!rdev
->ops
->set_cqm_rssi_config
)
7684 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
7685 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
7688 return rdev_set_cqm_rssi_config(rdev
, dev
, threshold
, hysteresis
);
7691 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
7693 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
7697 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
7701 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
7702 nl80211_attr_cqm_policy
);
7706 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
7707 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
7708 s32 threshold
= nla_get_s32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
7709 u32 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
7711 return nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
7714 if (attrs
[NL80211_ATTR_CQM_TXE_RATE
] &&
7715 attrs
[NL80211_ATTR_CQM_TXE_PKTS
] &&
7716 attrs
[NL80211_ATTR_CQM_TXE_INTVL
]) {
7717 u32 rate
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_RATE
]);
7718 u32 pkts
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_PKTS
]);
7719 u32 intvl
= nla_get_u32(attrs
[NL80211_ATTR_CQM_TXE_INTVL
]);
7721 return nl80211_set_cqm_txe(info
, rate
, pkts
, intvl
);
7727 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
7729 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7730 struct net_device
*dev
= info
->user_ptr
[1];
7731 struct mesh_config cfg
;
7732 struct mesh_setup setup
;
7735 /* start with default */
7736 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
7737 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
7739 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
7740 /* and parse parameters if given */
7741 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
7746 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
7747 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
7750 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
7751 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
7753 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
7754 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
7755 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
7758 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
7759 setup
.beacon_interval
=
7760 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
7761 if (setup
.beacon_interval
< 10 ||
7762 setup
.beacon_interval
> 10000)
7766 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
7768 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
7769 if (setup
.dtim_period
< 1 || setup
.dtim_period
> 100)
7773 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
7774 /* parse additional setup parameters if given */
7775 err
= nl80211_parse_mesh_setup(info
, &setup
);
7781 cfg
.auto_open_plinks
= false;
7783 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
7784 err
= nl80211_parse_chandef(rdev
, info
, &setup
.chandef
);
7788 /* cfg80211_join_mesh() will sort it out */
7789 setup
.chandef
.chan
= NULL
;
7792 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
7793 u8
*rates
= nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7795 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
7796 struct ieee80211_supported_band
*sband
;
7798 if (!setup
.chandef
.chan
)
7801 sband
= rdev
->wiphy
.bands
[setup
.chandef
.chan
->band
];
7803 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
7804 &setup
.basic_rates
);
7809 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
7812 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
7814 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7815 struct net_device
*dev
= info
->user_ptr
[1];
7817 return cfg80211_leave_mesh(rdev
, dev
);
7821 static int nl80211_send_wowlan_patterns(struct sk_buff
*msg
,
7822 struct cfg80211_registered_device
*rdev
)
7824 struct cfg80211_wowlan
*wowlan
= rdev
->wiphy
.wowlan_config
;
7825 struct nlattr
*nl_pats
, *nl_pat
;
7828 if (!wowlan
->n_patterns
)
7831 nl_pats
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
);
7835 for (i
= 0; i
< wowlan
->n_patterns
; i
++) {
7836 nl_pat
= nla_nest_start(msg
, i
+ 1);
7839 pat_len
= wowlan
->patterns
[i
].pattern_len
;
7840 if (nla_put(msg
, NL80211_PKTPAT_MASK
, DIV_ROUND_UP(pat_len
, 8),
7841 wowlan
->patterns
[i
].mask
) ||
7842 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
7843 wowlan
->patterns
[i
].pattern
) ||
7844 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
7845 wowlan
->patterns
[i
].pkt_offset
))
7847 nla_nest_end(msg
, nl_pat
);
7849 nla_nest_end(msg
, nl_pats
);
7854 static int nl80211_send_wowlan_tcp(struct sk_buff
*msg
,
7855 struct cfg80211_wowlan_tcp
*tcp
)
7857 struct nlattr
*nl_tcp
;
7862 nl_tcp
= nla_nest_start(msg
, NL80211_WOWLAN_TRIG_TCP_CONNECTION
);
7866 if (nla_put_be32(msg
, NL80211_WOWLAN_TCP_SRC_IPV4
, tcp
->src
) ||
7867 nla_put_be32(msg
, NL80211_WOWLAN_TCP_DST_IPV4
, tcp
->dst
) ||
7868 nla_put(msg
, NL80211_WOWLAN_TCP_DST_MAC
, ETH_ALEN
, tcp
->dst_mac
) ||
7869 nla_put_u16(msg
, NL80211_WOWLAN_TCP_SRC_PORT
, tcp
->src_port
) ||
7870 nla_put_u16(msg
, NL80211_WOWLAN_TCP_DST_PORT
, tcp
->dst_port
) ||
7871 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD
,
7872 tcp
->payload_len
, tcp
->payload
) ||
7873 nla_put_u32(msg
, NL80211_WOWLAN_TCP_DATA_INTERVAL
,
7874 tcp
->data_interval
) ||
7875 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_PAYLOAD
,
7876 tcp
->wake_len
, tcp
->wake_data
) ||
7877 nla_put(msg
, NL80211_WOWLAN_TCP_WAKE_MASK
,
7878 DIV_ROUND_UP(tcp
->wake_len
, 8), tcp
->wake_mask
))
7881 if (tcp
->payload_seq
.len
&&
7882 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
,
7883 sizeof(tcp
->payload_seq
), &tcp
->payload_seq
))
7886 if (tcp
->payload_tok
.len
&&
7887 nla_put(msg
, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
,
7888 sizeof(tcp
->payload_tok
) + tcp
->tokens_size
,
7892 nla_nest_end(msg
, nl_tcp
);
7897 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
7899 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
7900 struct sk_buff
*msg
;
7902 u32 size
= NLMSG_DEFAULT_SIZE
;
7904 if (!rdev
->wiphy
.wowlan
)
7907 if (rdev
->wiphy
.wowlan_config
&& rdev
->wiphy
.wowlan_config
->tcp
) {
7908 /* adjust size to have room for all the data */
7909 size
+= rdev
->wiphy
.wowlan_config
->tcp
->tokens_size
+
7910 rdev
->wiphy
.wowlan_config
->tcp
->payload_len
+
7911 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
+
7912 rdev
->wiphy
.wowlan_config
->tcp
->wake_len
/ 8;
7915 msg
= nlmsg_new(size
, GFP_KERNEL
);
7919 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
7920 NL80211_CMD_GET_WOWLAN
);
7922 goto nla_put_failure
;
7924 if (rdev
->wiphy
.wowlan_config
) {
7925 struct nlattr
*nl_wowlan
;
7927 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
7929 goto nla_put_failure
;
7931 if ((rdev
->wiphy
.wowlan_config
->any
&&
7932 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
7933 (rdev
->wiphy
.wowlan_config
->disconnect
&&
7934 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
7935 (rdev
->wiphy
.wowlan_config
->magic_pkt
&&
7936 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
7937 (rdev
->wiphy
.wowlan_config
->gtk_rekey_failure
&&
7938 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
7939 (rdev
->wiphy
.wowlan_config
->eap_identity_req
&&
7940 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
7941 (rdev
->wiphy
.wowlan_config
->four_way_handshake
&&
7942 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
7943 (rdev
->wiphy
.wowlan_config
->rfkill_release
&&
7944 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
7945 goto nla_put_failure
;
7947 if (nl80211_send_wowlan_patterns(msg
, rdev
))
7948 goto nla_put_failure
;
7950 if (nl80211_send_wowlan_tcp(msg
,
7951 rdev
->wiphy
.wowlan_config
->tcp
))
7952 goto nla_put_failure
;
7954 nla_nest_end(msg
, nl_wowlan
);
7957 genlmsg_end(msg
, hdr
);
7958 return genlmsg_reply(msg
, info
);
7965 static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device
*rdev
,
7966 struct nlattr
*attr
,
7967 struct cfg80211_wowlan
*trig
)
7969 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TCP
];
7970 struct cfg80211_wowlan_tcp
*cfg
;
7971 struct nl80211_wowlan_tcp_data_token
*tok
= NULL
;
7972 struct nl80211_wowlan_tcp_data_seq
*seq
= NULL
;
7974 u32 data_size
, wake_size
, tokens_size
= 0, wake_mask_size
;
7977 if (!rdev
->wiphy
.wowlan
->tcp
)
7980 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TCP
,
7981 nla_data(attr
), nla_len(attr
),
7982 nl80211_wowlan_tcp_policy
);
7986 if (!tb
[NL80211_WOWLAN_TCP_SRC_IPV4
] ||
7987 !tb
[NL80211_WOWLAN_TCP_DST_IPV4
] ||
7988 !tb
[NL80211_WOWLAN_TCP_DST_MAC
] ||
7989 !tb
[NL80211_WOWLAN_TCP_DST_PORT
] ||
7990 !tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
] ||
7991 !tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
] ||
7992 !tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
] ||
7993 !tb
[NL80211_WOWLAN_TCP_WAKE_MASK
])
7996 data_size
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]);
7997 if (data_size
> rdev
->wiphy
.wowlan
->tcp
->data_payload_max
)
8000 if (nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) >
8001 rdev
->wiphy
.wowlan
->tcp
->data_interval_max
||
8002 nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]) == 0)
8005 wake_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]);
8006 if (wake_size
> rdev
->wiphy
.wowlan
->tcp
->wake_payload_max
)
8009 wake_mask_size
= nla_len(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]);
8010 if (wake_mask_size
!= DIV_ROUND_UP(wake_size
, 8))
8013 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]) {
8014 u32 tokln
= nla_len(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8016 tok
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN
]);
8017 tokens_size
= tokln
- sizeof(*tok
);
8019 if (!tok
->len
|| tokens_size
% tok
->len
)
8021 if (!rdev
->wiphy
.wowlan
->tcp
->tok
)
8023 if (tok
->len
> rdev
->wiphy
.wowlan
->tcp
->tok
->max_len
)
8025 if (tok
->len
< rdev
->wiphy
.wowlan
->tcp
->tok
->min_len
)
8027 if (tokens_size
> rdev
->wiphy
.wowlan
->tcp
->tok
->bufsize
)
8029 if (tok
->offset
+ tok
->len
> data_size
)
8033 if (tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]) {
8034 seq
= nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ
]);
8035 if (!rdev
->wiphy
.wowlan
->tcp
->seq
)
8037 if (seq
->len
== 0 || seq
->len
> 4)
8039 if (seq
->len
+ seq
->offset
> data_size
)
8043 size
= sizeof(*cfg
);
8045 size
+= wake_size
+ wake_mask_size
;
8046 size
+= tokens_size
;
8048 cfg
= kzalloc(size
, GFP_KERNEL
);
8051 cfg
->src
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_SRC_IPV4
]);
8052 cfg
->dst
= nla_get_be32(tb
[NL80211_WOWLAN_TCP_DST_IPV4
]);
8053 memcpy(cfg
->dst_mac
, nla_data(tb
[NL80211_WOWLAN_TCP_DST_MAC
]),
8055 if (tb
[NL80211_WOWLAN_TCP_SRC_PORT
])
8056 port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_SRC_PORT
]);
8060 /* allocate a socket and port for it and use it */
8061 err
= __sock_create(wiphy_net(&rdev
->wiphy
), PF_INET
, SOCK_STREAM
,
8062 IPPROTO_TCP
, &cfg
->sock
, 1);
8067 if (inet_csk_get_port(cfg
->sock
->sk
, port
)) {
8068 sock_release(cfg
->sock
);
8072 cfg
->src_port
= inet_sk(cfg
->sock
->sk
)->inet_num
;
8078 cfg
->src_port
= port
;
8081 cfg
->dst_port
= nla_get_u16(tb
[NL80211_WOWLAN_TCP_DST_PORT
]);
8082 cfg
->payload_len
= data_size
;
8083 cfg
->payload
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
;
8084 memcpy((void *)cfg
->payload
,
8085 nla_data(tb
[NL80211_WOWLAN_TCP_DATA_PAYLOAD
]),
8088 cfg
->payload_seq
= *seq
;
8089 cfg
->data_interval
= nla_get_u32(tb
[NL80211_WOWLAN_TCP_DATA_INTERVAL
]);
8090 cfg
->wake_len
= wake_size
;
8091 cfg
->wake_data
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+ data_size
;
8092 memcpy((void *)cfg
->wake_data
,
8093 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_PAYLOAD
]),
8095 cfg
->wake_mask
= (u8
*)cfg
+ sizeof(*cfg
) + tokens_size
+
8096 data_size
+ wake_size
;
8097 memcpy((void *)cfg
->wake_mask
,
8098 nla_data(tb
[NL80211_WOWLAN_TCP_WAKE_MASK
]),
8101 cfg
->tokens_size
= tokens_size
;
8102 memcpy(&cfg
->payload_tok
, tok
, sizeof(*tok
) + tokens_size
);
8110 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
8112 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8113 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
8114 struct cfg80211_wowlan new_triggers
= {};
8115 struct cfg80211_wowlan
*ntrig
;
8116 const struct wiphy_wowlan_support
*wowlan
= rdev
->wiphy
.wowlan
;
8118 bool prev_enabled
= rdev
->wiphy
.wowlan_config
;
8123 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]) {
8124 cfg80211_rdev_free_wowlan(rdev
);
8125 rdev
->wiphy
.wowlan_config
= NULL
;
8129 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
8130 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8131 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
8132 nl80211_wowlan_policy
);
8136 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
8137 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
8139 new_triggers
.any
= true;
8142 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
8143 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
8145 new_triggers
.disconnect
= true;
8148 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
8149 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
8151 new_triggers
.magic_pkt
= true;
8154 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
8157 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
8158 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
8160 new_triggers
.gtk_rekey_failure
= true;
8163 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
8164 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
8166 new_triggers
.eap_identity_req
= true;
8169 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
8170 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
8172 new_triggers
.four_way_handshake
= true;
8175 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
8176 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
8178 new_triggers
.rfkill_release
= true;
8181 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
8184 int rem
, pat_len
, mask_len
, pkt_offset
;
8185 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8187 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8190 if (n_patterns
> wowlan
->n_patterns
)
8193 new_triggers
.patterns
= kcalloc(n_patterns
,
8194 sizeof(new_triggers
.patterns
[0]),
8196 if (!new_triggers
.patterns
)
8199 new_triggers
.n_patterns
= n_patterns
;
8202 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
8204 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8205 nla_len(pat
), NULL
);
8207 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8208 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8210 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8211 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8212 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8214 if (pat_len
> wowlan
->pattern_max_len
||
8215 pat_len
< wowlan
->pattern_min_len
)
8218 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8221 pkt_offset
= nla_get_u32(
8222 pat_tb
[NL80211_PKTPAT_OFFSET
]);
8223 if (pkt_offset
> wowlan
->max_pkt_offset
)
8225 new_triggers
.patterns
[i
].pkt_offset
= pkt_offset
;
8227 new_triggers
.patterns
[i
].mask
=
8228 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8229 if (!new_triggers
.patterns
[i
].mask
) {
8233 new_triggers
.patterns
[i
].pattern
=
8234 new_triggers
.patterns
[i
].mask
+ mask_len
;
8235 memcpy(new_triggers
.patterns
[i
].mask
,
8236 nla_data(pat_tb
[NL80211_PKTPAT_MASK
]),
8238 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
8239 memcpy(new_triggers
.patterns
[i
].pattern
,
8240 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]),
8246 if (tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
]) {
8247 err
= nl80211_parse_wowlan_tcp(
8248 rdev
, tb
[NL80211_WOWLAN_TRIG_TCP_CONNECTION
],
8254 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
), GFP_KERNEL
);
8259 cfg80211_rdev_free_wowlan(rdev
);
8260 rdev
->wiphy
.wowlan_config
= ntrig
;
8263 if (rdev
->ops
->set_wakeup
&&
8264 prev_enabled
!= !!rdev
->wiphy
.wowlan_config
)
8265 rdev_set_wakeup(rdev
, rdev
->wiphy
.wowlan_config
);
8269 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
8270 kfree(new_triggers
.patterns
[i
].mask
);
8271 kfree(new_triggers
.patterns
);
8272 if (new_triggers
.tcp
&& new_triggers
.tcp
->sock
)
8273 sock_release(new_triggers
.tcp
->sock
);
8274 kfree(new_triggers
.tcp
);
8279 static int nl80211_send_coalesce_rules(struct sk_buff
*msg
,
8280 struct cfg80211_registered_device
*rdev
)
8282 struct nlattr
*nl_pats
, *nl_pat
, *nl_rule
, *nl_rules
;
8284 struct cfg80211_coalesce_rules
*rule
;
8286 if (!rdev
->coalesce
->n_rules
)
8289 nl_rules
= nla_nest_start(msg
, NL80211_ATTR_COALESCE_RULE
);
8293 for (i
= 0; i
< rdev
->coalesce
->n_rules
; i
++) {
8294 nl_rule
= nla_nest_start(msg
, i
+ 1);
8298 rule
= &rdev
->coalesce
->rules
[i
];
8299 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_DELAY
,
8303 if (nla_put_u32(msg
, NL80211_ATTR_COALESCE_RULE_CONDITION
,
8307 nl_pats
= nla_nest_start(msg
,
8308 NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
);
8312 for (j
= 0; j
< rule
->n_patterns
; j
++) {
8313 nl_pat
= nla_nest_start(msg
, j
+ 1);
8316 pat_len
= rule
->patterns
[j
].pattern_len
;
8317 if (nla_put(msg
, NL80211_PKTPAT_MASK
,
8318 DIV_ROUND_UP(pat_len
, 8),
8319 rule
->patterns
[j
].mask
) ||
8320 nla_put(msg
, NL80211_PKTPAT_PATTERN
, pat_len
,
8321 rule
->patterns
[j
].pattern
) ||
8322 nla_put_u32(msg
, NL80211_PKTPAT_OFFSET
,
8323 rule
->patterns
[j
].pkt_offset
))
8325 nla_nest_end(msg
, nl_pat
);
8327 nla_nest_end(msg
, nl_pats
);
8328 nla_nest_end(msg
, nl_rule
);
8330 nla_nest_end(msg
, nl_rules
);
8335 static int nl80211_get_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8337 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8338 struct sk_buff
*msg
;
8341 if (!rdev
->wiphy
.coalesce
)
8344 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8348 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8349 NL80211_CMD_GET_COALESCE
);
8351 goto nla_put_failure
;
8353 if (rdev
->coalesce
&& nl80211_send_coalesce_rules(msg
, rdev
))
8354 goto nla_put_failure
;
8356 genlmsg_end(msg
, hdr
);
8357 return genlmsg_reply(msg
, info
);
8364 void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device
*rdev
)
8366 struct cfg80211_coalesce
*coalesce
= rdev
->coalesce
;
8368 struct cfg80211_coalesce_rules
*rule
;
8373 for (i
= 0; i
< coalesce
->n_rules
; i
++) {
8374 rule
= &coalesce
->rules
[i
];
8375 for (j
= 0; j
< rule
->n_patterns
; j
++)
8376 kfree(rule
->patterns
[j
].mask
);
8377 kfree(rule
->patterns
);
8379 kfree(coalesce
->rules
);
8381 rdev
->coalesce
= NULL
;
8384 static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device
*rdev
,
8385 struct nlattr
*rule
,
8386 struct cfg80211_coalesce_rules
*new_rule
)
8389 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8390 struct nlattr
*tb
[NUM_NL80211_ATTR_COALESCE_RULE
], *pat
;
8391 int rem
, pat_len
, mask_len
, pkt_offset
, n_patterns
= 0;
8392 struct nlattr
*pat_tb
[NUM_NL80211_PKTPAT
];
8394 err
= nla_parse(tb
, NL80211_ATTR_COALESCE_RULE_MAX
, nla_data(rule
),
8395 nla_len(rule
), nl80211_coalesce_policy
);
8399 if (tb
[NL80211_ATTR_COALESCE_RULE_DELAY
])
8401 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_DELAY
]);
8402 if (new_rule
->delay
> coalesce
->max_delay
)
8405 if (tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
])
8406 new_rule
->condition
=
8407 nla_get_u32(tb
[NL80211_ATTR_COALESCE_RULE_CONDITION
]);
8408 if (new_rule
->condition
!= NL80211_COALESCE_CONDITION_MATCH
&&
8409 new_rule
->condition
!= NL80211_COALESCE_CONDITION_NO_MATCH
)
8412 if (!tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
])
8415 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8418 if (n_patterns
> coalesce
->n_patterns
)
8421 new_rule
->patterns
= kcalloc(n_patterns
, sizeof(new_rule
->patterns
[0]),
8423 if (!new_rule
->patterns
)
8426 new_rule
->n_patterns
= n_patterns
;
8429 nla_for_each_nested(pat
, tb
[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN
],
8431 nla_parse(pat_tb
, MAX_NL80211_PKTPAT
, nla_data(pat
),
8432 nla_len(pat
), NULL
);
8433 if (!pat_tb
[NL80211_PKTPAT_MASK
] ||
8434 !pat_tb
[NL80211_PKTPAT_PATTERN
])
8436 pat_len
= nla_len(pat_tb
[NL80211_PKTPAT_PATTERN
]);
8437 mask_len
= DIV_ROUND_UP(pat_len
, 8);
8438 if (nla_len(pat_tb
[NL80211_PKTPAT_MASK
]) != mask_len
)
8440 if (pat_len
> coalesce
->pattern_max_len
||
8441 pat_len
< coalesce
->pattern_min_len
)
8444 if (!pat_tb
[NL80211_PKTPAT_OFFSET
])
8447 pkt_offset
= nla_get_u32(pat_tb
[NL80211_PKTPAT_OFFSET
]);
8448 if (pkt_offset
> coalesce
->max_pkt_offset
)
8450 new_rule
->patterns
[i
].pkt_offset
= pkt_offset
;
8452 new_rule
->patterns
[i
].mask
=
8453 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
8454 if (!new_rule
->patterns
[i
].mask
)
8456 new_rule
->patterns
[i
].pattern
=
8457 new_rule
->patterns
[i
].mask
+ mask_len
;
8458 memcpy(new_rule
->patterns
[i
].mask
,
8459 nla_data(pat_tb
[NL80211_PKTPAT_MASK
]), mask_len
);
8460 new_rule
->patterns
[i
].pattern_len
= pat_len
;
8461 memcpy(new_rule
->patterns
[i
].pattern
,
8462 nla_data(pat_tb
[NL80211_PKTPAT_PATTERN
]), pat_len
);
8469 static int nl80211_set_coalesce(struct sk_buff
*skb
, struct genl_info
*info
)
8471 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8472 const struct wiphy_coalesce_support
*coalesce
= rdev
->wiphy
.coalesce
;
8473 struct cfg80211_coalesce new_coalesce
= {};
8474 struct cfg80211_coalesce
*n_coalesce
;
8475 int err
, rem_rule
, n_rules
= 0, i
, j
;
8476 struct nlattr
*rule
;
8477 struct cfg80211_coalesce_rules
*tmp_rule
;
8479 if (!rdev
->wiphy
.coalesce
|| !rdev
->ops
->set_coalesce
)
8482 if (!info
->attrs
[NL80211_ATTR_COALESCE_RULE
]) {
8483 cfg80211_rdev_free_coalesce(rdev
);
8484 rdev
->ops
->set_coalesce(&rdev
->wiphy
, NULL
);
8488 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8491 if (n_rules
> coalesce
->n_rules
)
8494 new_coalesce
.rules
= kcalloc(n_rules
, sizeof(new_coalesce
.rules
[0]),
8496 if (!new_coalesce
.rules
)
8499 new_coalesce
.n_rules
= n_rules
;
8502 nla_for_each_nested(rule
, info
->attrs
[NL80211_ATTR_COALESCE_RULE
],
8504 err
= nl80211_parse_coalesce_rule(rdev
, rule
,
8505 &new_coalesce
.rules
[i
]);
8512 err
= rdev
->ops
->set_coalesce(&rdev
->wiphy
, &new_coalesce
);
8516 n_coalesce
= kmemdup(&new_coalesce
, sizeof(new_coalesce
), GFP_KERNEL
);
8521 cfg80211_rdev_free_coalesce(rdev
);
8522 rdev
->coalesce
= n_coalesce
;
8526 for (i
= 0; i
< new_coalesce
.n_rules
; i
++) {
8527 tmp_rule
= &new_coalesce
.rules
[i
];
8528 for (j
= 0; j
< tmp_rule
->n_patterns
; j
++)
8529 kfree(tmp_rule
->patterns
[j
].mask
);
8530 kfree(tmp_rule
->patterns
);
8532 kfree(new_coalesce
.rules
);
8537 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
8539 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8540 struct net_device
*dev
= info
->user_ptr
[1];
8541 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8542 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
8543 struct cfg80211_gtk_rekey_data rekey_data
;
8546 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
8549 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
8550 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8551 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
8552 nl80211_rekey_policy
);
8556 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
8558 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
8560 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
8563 memcpy(rekey_data
.kek
, nla_data(tb
[NL80211_REKEY_DATA_KEK
]),
8565 memcpy(rekey_data
.kck
, nla_data(tb
[NL80211_REKEY_DATA_KCK
]),
8567 memcpy(rekey_data
.replay_ctr
,
8568 nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]),
8569 NL80211_REPLAY_CTR_LEN
);
8572 if (!wdev
->current_bss
) {
8577 if (!rdev
->ops
->set_rekey_data
) {
8582 err
= rdev_set_rekey_data(rdev
, dev
, &rekey_data
);
8588 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
8589 struct genl_info
*info
)
8591 struct net_device
*dev
= info
->user_ptr
[1];
8592 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8594 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8595 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8598 if (wdev
->ap_unexpected_nlportid
)
8601 wdev
->ap_unexpected_nlportid
= info
->snd_portid
;
8605 static int nl80211_probe_client(struct sk_buff
*skb
,
8606 struct genl_info
*info
)
8608 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8609 struct net_device
*dev
= info
->user_ptr
[1];
8610 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8611 struct sk_buff
*msg
;
8617 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
8618 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
8621 if (!info
->attrs
[NL80211_ATTR_MAC
])
8624 if (!rdev
->ops
->probe_client
)
8627 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8631 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8632 NL80211_CMD_PROBE_CLIENT
);
8638 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
8640 err
= rdev_probe_client(rdev
, dev
, addr
, &cookie
);
8644 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
8645 goto nla_put_failure
;
8647 genlmsg_end(msg
, hdr
);
8649 return genlmsg_reply(msg
, info
);
8658 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
8660 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8661 struct cfg80211_beacon_registration
*reg
, *nreg
;
8664 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
8667 nreg
= kzalloc(sizeof(*nreg
), GFP_KERNEL
);
8671 /* First, check if already registered. */
8672 spin_lock_bh(&rdev
->beacon_registrations_lock
);
8673 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
8674 if (reg
->nlportid
== info
->snd_portid
) {
8679 /* Add it to the list */
8680 nreg
->nlportid
= info
->snd_portid
;
8681 list_add(&nreg
->list
, &rdev
->beacon_registrations
);
8683 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
8687 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
8692 static int nl80211_start_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
8694 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8695 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8698 if (!rdev
->ops
->start_p2p_device
)
8701 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
8704 if (wdev
->p2p_started
)
8707 err
= cfg80211_can_add_interface(rdev
, wdev
->iftype
);
8711 err
= rdev_start_p2p_device(rdev
, wdev
);
8715 wdev
->p2p_started
= true;
8721 static int nl80211_stop_p2p_device(struct sk_buff
*skb
, struct genl_info
*info
)
8723 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8724 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8726 if (wdev
->iftype
!= NL80211_IFTYPE_P2P_DEVICE
)
8729 if (!rdev
->ops
->stop_p2p_device
)
8732 cfg80211_stop_p2p_device(rdev
, wdev
);
8737 static int nl80211_get_protocol_features(struct sk_buff
*skb
,
8738 struct genl_info
*info
)
8741 struct sk_buff
*msg
;
8743 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
8747 hdr
= nl80211hdr_put(msg
, info
->snd_portid
, info
->snd_seq
, 0,
8748 NL80211_CMD_GET_PROTOCOL_FEATURES
);
8750 goto nla_put_failure
;
8752 if (nla_put_u32(msg
, NL80211_ATTR_PROTOCOL_FEATURES
,
8753 NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP
))
8754 goto nla_put_failure
;
8756 genlmsg_end(msg
, hdr
);
8757 return genlmsg_reply(msg
, info
);
8764 static int nl80211_update_ft_ies(struct sk_buff
*skb
, struct genl_info
*info
)
8766 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8767 struct cfg80211_update_ft_ies_params ft_params
;
8768 struct net_device
*dev
= info
->user_ptr
[1];
8770 if (!rdev
->ops
->update_ft_ies
)
8773 if (!info
->attrs
[NL80211_ATTR_MDID
] ||
8774 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
8777 memset(&ft_params
, 0, sizeof(ft_params
));
8778 ft_params
.md
= nla_get_u16(info
->attrs
[NL80211_ATTR_MDID
]);
8779 ft_params
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
8780 ft_params
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
8782 return rdev_update_ft_ies(rdev
, dev
, &ft_params
);
8785 static int nl80211_crit_protocol_start(struct sk_buff
*skb
,
8786 struct genl_info
*info
)
8788 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8789 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8790 enum nl80211_crit_proto_id proto
= NL80211_CRIT_PROTO_UNSPEC
;
8794 if (!rdev
->ops
->crit_proto_start
)
8797 if (WARN_ON(!rdev
->ops
->crit_proto_stop
))
8800 if (rdev
->crit_proto_nlportid
)
8803 /* determine protocol if provided */
8804 if (info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
])
8805 proto
= nla_get_u16(info
->attrs
[NL80211_ATTR_CRIT_PROT_ID
]);
8807 if (proto
>= NUM_NL80211_CRIT_PROTO
)
8810 /* timeout must be provided */
8811 if (!info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
])
8815 nla_get_u16(info
->attrs
[NL80211_ATTR_MAX_CRIT_PROT_DURATION
]);
8817 if (duration
> NL80211_CRIT_PROTO_MAX_DURATION
)
8820 ret
= rdev_crit_proto_start(rdev
, wdev
, proto
, duration
);
8822 rdev
->crit_proto_nlportid
= info
->snd_portid
;
8827 static int nl80211_crit_protocol_stop(struct sk_buff
*skb
,
8828 struct genl_info
*info
)
8830 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
8831 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8833 if (!rdev
->ops
->crit_proto_stop
)
8836 if (rdev
->crit_proto_nlportid
) {
8837 rdev
->crit_proto_nlportid
= 0;
8838 rdev_crit_proto_stop(rdev
, wdev
);
8843 #define NL80211_FLAG_NEED_WIPHY 0x01
8844 #define NL80211_FLAG_NEED_NETDEV 0x02
8845 #define NL80211_FLAG_NEED_RTNL 0x04
8846 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
8847 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
8848 NL80211_FLAG_CHECK_NETDEV_UP)
8849 #define NL80211_FLAG_NEED_WDEV 0x10
8850 /* If a netdev is associated, it must be UP, P2P must be started */
8851 #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\
8852 NL80211_FLAG_CHECK_NETDEV_UP)
8854 static int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
8855 struct genl_info
*info
)
8857 struct cfg80211_registered_device
*rdev
;
8858 struct wireless_dev
*wdev
;
8859 struct net_device
*dev
;
8860 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
8865 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
8866 rdev
= cfg80211_get_dev_from_info(genl_info_net(info
), info
);
8870 return PTR_ERR(rdev
);
8872 info
->user_ptr
[0] = rdev
;
8873 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
||
8874 ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
8877 wdev
= __cfg80211_wdev_from_attrs(genl_info_net(info
),
8882 return PTR_ERR(wdev
);
8886 rdev
= wiphy_to_dev(wdev
->wiphy
);
8888 if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
8895 info
->user_ptr
[1] = dev
;
8897 info
->user_ptr
[1] = wdev
;
8901 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
8902 !netif_running(dev
)) {
8909 } else if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
) {
8910 if (!wdev
->p2p_started
) {
8917 info
->user_ptr
[0] = rdev
;
8923 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
8924 struct genl_info
*info
)
8926 if (info
->user_ptr
[1]) {
8927 if (ops
->internal_flags
& NL80211_FLAG_NEED_WDEV
) {
8928 struct wireless_dev
*wdev
= info
->user_ptr
[1];
8931 dev_put(wdev
->netdev
);
8933 dev_put(info
->user_ptr
[1]);
8936 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
8940 static struct genl_ops nl80211_ops
[] = {
8942 .cmd
= NL80211_CMD_GET_WIPHY
,
8943 .doit
= nl80211_get_wiphy
,
8944 .dumpit
= nl80211_dump_wiphy
,
8945 .done
= nl80211_dump_wiphy_done
,
8946 .policy
= nl80211_policy
,
8947 /* can be retrieved by unprivileged users */
8948 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
8949 NL80211_FLAG_NEED_RTNL
,
8952 .cmd
= NL80211_CMD_SET_WIPHY
,
8953 .doit
= nl80211_set_wiphy
,
8954 .policy
= nl80211_policy
,
8955 .flags
= GENL_ADMIN_PERM
,
8956 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
8959 .cmd
= NL80211_CMD_GET_INTERFACE
,
8960 .doit
= nl80211_get_interface
,
8961 .dumpit
= nl80211_dump_interface
,
8962 .policy
= nl80211_policy
,
8963 /* can be retrieved by unprivileged users */
8964 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
8965 NL80211_FLAG_NEED_RTNL
,
8968 .cmd
= NL80211_CMD_SET_INTERFACE
,
8969 .doit
= nl80211_set_interface
,
8970 .policy
= nl80211_policy
,
8971 .flags
= GENL_ADMIN_PERM
,
8972 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
8973 NL80211_FLAG_NEED_RTNL
,
8976 .cmd
= NL80211_CMD_NEW_INTERFACE
,
8977 .doit
= nl80211_new_interface
,
8978 .policy
= nl80211_policy
,
8979 .flags
= GENL_ADMIN_PERM
,
8980 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
8981 NL80211_FLAG_NEED_RTNL
,
8984 .cmd
= NL80211_CMD_DEL_INTERFACE
,
8985 .doit
= nl80211_del_interface
,
8986 .policy
= nl80211_policy
,
8987 .flags
= GENL_ADMIN_PERM
,
8988 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
8989 NL80211_FLAG_NEED_RTNL
,
8992 .cmd
= NL80211_CMD_GET_KEY
,
8993 .doit
= nl80211_get_key
,
8994 .policy
= nl80211_policy
,
8995 .flags
= GENL_ADMIN_PERM
,
8996 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
8997 NL80211_FLAG_NEED_RTNL
,
9000 .cmd
= NL80211_CMD_SET_KEY
,
9001 .doit
= nl80211_set_key
,
9002 .policy
= nl80211_policy
,
9003 .flags
= GENL_ADMIN_PERM
,
9004 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9005 NL80211_FLAG_NEED_RTNL
,
9008 .cmd
= NL80211_CMD_NEW_KEY
,
9009 .doit
= nl80211_new_key
,
9010 .policy
= nl80211_policy
,
9011 .flags
= GENL_ADMIN_PERM
,
9012 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9013 NL80211_FLAG_NEED_RTNL
,
9016 .cmd
= NL80211_CMD_DEL_KEY
,
9017 .doit
= nl80211_del_key
,
9018 .policy
= nl80211_policy
,
9019 .flags
= GENL_ADMIN_PERM
,
9020 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9021 NL80211_FLAG_NEED_RTNL
,
9024 .cmd
= NL80211_CMD_SET_BEACON
,
9025 .policy
= nl80211_policy
,
9026 .flags
= GENL_ADMIN_PERM
,
9027 .doit
= nl80211_set_beacon
,
9028 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9029 NL80211_FLAG_NEED_RTNL
,
9032 .cmd
= NL80211_CMD_START_AP
,
9033 .policy
= nl80211_policy
,
9034 .flags
= GENL_ADMIN_PERM
,
9035 .doit
= nl80211_start_ap
,
9036 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9037 NL80211_FLAG_NEED_RTNL
,
9040 .cmd
= NL80211_CMD_STOP_AP
,
9041 .policy
= nl80211_policy
,
9042 .flags
= GENL_ADMIN_PERM
,
9043 .doit
= nl80211_stop_ap
,
9044 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9045 NL80211_FLAG_NEED_RTNL
,
9048 .cmd
= NL80211_CMD_GET_STATION
,
9049 .doit
= nl80211_get_station
,
9050 .dumpit
= nl80211_dump_station
,
9051 .policy
= nl80211_policy
,
9052 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9053 NL80211_FLAG_NEED_RTNL
,
9056 .cmd
= NL80211_CMD_SET_STATION
,
9057 .doit
= nl80211_set_station
,
9058 .policy
= nl80211_policy
,
9059 .flags
= GENL_ADMIN_PERM
,
9060 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9061 NL80211_FLAG_NEED_RTNL
,
9064 .cmd
= NL80211_CMD_NEW_STATION
,
9065 .doit
= nl80211_new_station
,
9066 .policy
= nl80211_policy
,
9067 .flags
= GENL_ADMIN_PERM
,
9068 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9069 NL80211_FLAG_NEED_RTNL
,
9072 .cmd
= NL80211_CMD_DEL_STATION
,
9073 .doit
= nl80211_del_station
,
9074 .policy
= nl80211_policy
,
9075 .flags
= GENL_ADMIN_PERM
,
9076 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9077 NL80211_FLAG_NEED_RTNL
,
9080 .cmd
= NL80211_CMD_GET_MPATH
,
9081 .doit
= nl80211_get_mpath
,
9082 .dumpit
= nl80211_dump_mpath
,
9083 .policy
= nl80211_policy
,
9084 .flags
= GENL_ADMIN_PERM
,
9085 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9086 NL80211_FLAG_NEED_RTNL
,
9089 .cmd
= NL80211_CMD_SET_MPATH
,
9090 .doit
= nl80211_set_mpath
,
9091 .policy
= nl80211_policy
,
9092 .flags
= GENL_ADMIN_PERM
,
9093 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9094 NL80211_FLAG_NEED_RTNL
,
9097 .cmd
= NL80211_CMD_NEW_MPATH
,
9098 .doit
= nl80211_new_mpath
,
9099 .policy
= nl80211_policy
,
9100 .flags
= GENL_ADMIN_PERM
,
9101 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9102 NL80211_FLAG_NEED_RTNL
,
9105 .cmd
= NL80211_CMD_DEL_MPATH
,
9106 .doit
= nl80211_del_mpath
,
9107 .policy
= nl80211_policy
,
9108 .flags
= GENL_ADMIN_PERM
,
9109 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9110 NL80211_FLAG_NEED_RTNL
,
9113 .cmd
= NL80211_CMD_SET_BSS
,
9114 .doit
= nl80211_set_bss
,
9115 .policy
= nl80211_policy
,
9116 .flags
= GENL_ADMIN_PERM
,
9117 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9118 NL80211_FLAG_NEED_RTNL
,
9121 .cmd
= NL80211_CMD_GET_REG
,
9122 .doit
= nl80211_get_reg
,
9123 .policy
= nl80211_policy
,
9124 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9125 /* can be retrieved by unprivileged users */
9128 .cmd
= NL80211_CMD_SET_REG
,
9129 .doit
= nl80211_set_reg
,
9130 .policy
= nl80211_policy
,
9131 .flags
= GENL_ADMIN_PERM
,
9132 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
9135 .cmd
= NL80211_CMD_REQ_SET_REG
,
9136 .doit
= nl80211_req_set_reg
,
9137 .policy
= nl80211_policy
,
9138 .flags
= GENL_ADMIN_PERM
,
9141 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
9142 .doit
= nl80211_get_mesh_config
,
9143 .policy
= nl80211_policy
,
9144 /* can be retrieved by unprivileged users */
9145 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9146 NL80211_FLAG_NEED_RTNL
,
9149 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
9150 .doit
= nl80211_update_mesh_config
,
9151 .policy
= nl80211_policy
,
9152 .flags
= GENL_ADMIN_PERM
,
9153 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9154 NL80211_FLAG_NEED_RTNL
,
9157 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
9158 .doit
= nl80211_trigger_scan
,
9159 .policy
= nl80211_policy
,
9160 .flags
= GENL_ADMIN_PERM
,
9161 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9162 NL80211_FLAG_NEED_RTNL
,
9165 .cmd
= NL80211_CMD_GET_SCAN
,
9166 .policy
= nl80211_policy
,
9167 .dumpit
= nl80211_dump_scan
,
9170 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
9171 .doit
= nl80211_start_sched_scan
,
9172 .policy
= nl80211_policy
,
9173 .flags
= GENL_ADMIN_PERM
,
9174 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9175 NL80211_FLAG_NEED_RTNL
,
9178 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
9179 .doit
= nl80211_stop_sched_scan
,
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_AUTHENTICATE
,
9187 .doit
= nl80211_authenticate
,
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_ASSOCIATE
,
9195 .doit
= nl80211_associate
,
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_DEAUTHENTICATE
,
9203 .doit
= nl80211_deauthenticate
,
9204 .policy
= nl80211_policy
,
9205 .flags
= GENL_ADMIN_PERM
,
9206 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9207 NL80211_FLAG_NEED_RTNL
,
9210 .cmd
= NL80211_CMD_DISASSOCIATE
,
9211 .doit
= nl80211_disassociate
,
9212 .policy
= nl80211_policy
,
9213 .flags
= GENL_ADMIN_PERM
,
9214 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9215 NL80211_FLAG_NEED_RTNL
,
9218 .cmd
= NL80211_CMD_JOIN_IBSS
,
9219 .doit
= nl80211_join_ibss
,
9220 .policy
= nl80211_policy
,
9221 .flags
= GENL_ADMIN_PERM
,
9222 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9223 NL80211_FLAG_NEED_RTNL
,
9226 .cmd
= NL80211_CMD_LEAVE_IBSS
,
9227 .doit
= nl80211_leave_ibss
,
9228 .policy
= nl80211_policy
,
9229 .flags
= GENL_ADMIN_PERM
,
9230 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9231 NL80211_FLAG_NEED_RTNL
,
9233 #ifdef CONFIG_NL80211_TESTMODE
9235 .cmd
= NL80211_CMD_TESTMODE
,
9236 .doit
= nl80211_testmode_do
,
9237 .dumpit
= nl80211_testmode_dump
,
9238 .policy
= nl80211_policy
,
9239 .flags
= GENL_ADMIN_PERM
,
9240 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9241 NL80211_FLAG_NEED_RTNL
,
9245 .cmd
= NL80211_CMD_CONNECT
,
9246 .doit
= nl80211_connect
,
9247 .policy
= nl80211_policy
,
9248 .flags
= GENL_ADMIN_PERM
,
9249 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9250 NL80211_FLAG_NEED_RTNL
,
9253 .cmd
= NL80211_CMD_DISCONNECT
,
9254 .doit
= nl80211_disconnect
,
9255 .policy
= nl80211_policy
,
9256 .flags
= GENL_ADMIN_PERM
,
9257 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9258 NL80211_FLAG_NEED_RTNL
,
9261 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
9262 .doit
= nl80211_wiphy_netns
,
9263 .policy
= nl80211_policy
,
9264 .flags
= GENL_ADMIN_PERM
,
9265 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9266 NL80211_FLAG_NEED_RTNL
,
9269 .cmd
= NL80211_CMD_GET_SURVEY
,
9270 .policy
= nl80211_policy
,
9271 .dumpit
= nl80211_dump_survey
,
9274 .cmd
= NL80211_CMD_SET_PMKSA
,
9275 .doit
= nl80211_setdel_pmksa
,
9276 .policy
= nl80211_policy
,
9277 .flags
= GENL_ADMIN_PERM
,
9278 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9279 NL80211_FLAG_NEED_RTNL
,
9282 .cmd
= NL80211_CMD_DEL_PMKSA
,
9283 .doit
= nl80211_setdel_pmksa
,
9284 .policy
= nl80211_policy
,
9285 .flags
= GENL_ADMIN_PERM
,
9286 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9287 NL80211_FLAG_NEED_RTNL
,
9290 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
9291 .doit
= nl80211_flush_pmksa
,
9292 .policy
= nl80211_policy
,
9293 .flags
= GENL_ADMIN_PERM
,
9294 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9295 NL80211_FLAG_NEED_RTNL
,
9298 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
9299 .doit
= nl80211_remain_on_channel
,
9300 .policy
= nl80211_policy
,
9301 .flags
= GENL_ADMIN_PERM
,
9302 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9303 NL80211_FLAG_NEED_RTNL
,
9306 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
9307 .doit
= nl80211_cancel_remain_on_channel
,
9308 .policy
= nl80211_policy
,
9309 .flags
= GENL_ADMIN_PERM
,
9310 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9311 NL80211_FLAG_NEED_RTNL
,
9314 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
9315 .doit
= nl80211_set_tx_bitrate_mask
,
9316 .policy
= nl80211_policy
,
9317 .flags
= GENL_ADMIN_PERM
,
9318 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9319 NL80211_FLAG_NEED_RTNL
,
9322 .cmd
= NL80211_CMD_REGISTER_FRAME
,
9323 .doit
= nl80211_register_mgmt
,
9324 .policy
= nl80211_policy
,
9325 .flags
= GENL_ADMIN_PERM
,
9326 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9327 NL80211_FLAG_NEED_RTNL
,
9330 .cmd
= NL80211_CMD_FRAME
,
9331 .doit
= nl80211_tx_mgmt
,
9332 .policy
= nl80211_policy
,
9333 .flags
= GENL_ADMIN_PERM
,
9334 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9335 NL80211_FLAG_NEED_RTNL
,
9338 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
9339 .doit
= nl80211_tx_mgmt_cancel_wait
,
9340 .policy
= nl80211_policy
,
9341 .flags
= GENL_ADMIN_PERM
,
9342 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9343 NL80211_FLAG_NEED_RTNL
,
9346 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
9347 .doit
= nl80211_set_power_save
,
9348 .policy
= nl80211_policy
,
9349 .flags
= GENL_ADMIN_PERM
,
9350 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9351 NL80211_FLAG_NEED_RTNL
,
9354 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
9355 .doit
= nl80211_get_power_save
,
9356 .policy
= nl80211_policy
,
9357 /* can be retrieved by unprivileged users */
9358 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9359 NL80211_FLAG_NEED_RTNL
,
9362 .cmd
= NL80211_CMD_SET_CQM
,
9363 .doit
= nl80211_set_cqm
,
9364 .policy
= nl80211_policy
,
9365 .flags
= GENL_ADMIN_PERM
,
9366 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9367 NL80211_FLAG_NEED_RTNL
,
9370 .cmd
= NL80211_CMD_SET_CHANNEL
,
9371 .doit
= nl80211_set_channel
,
9372 .policy
= nl80211_policy
,
9373 .flags
= GENL_ADMIN_PERM
,
9374 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9375 NL80211_FLAG_NEED_RTNL
,
9378 .cmd
= NL80211_CMD_SET_WDS_PEER
,
9379 .doit
= nl80211_set_wds_peer
,
9380 .policy
= nl80211_policy
,
9381 .flags
= GENL_ADMIN_PERM
,
9382 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9383 NL80211_FLAG_NEED_RTNL
,
9386 .cmd
= NL80211_CMD_JOIN_MESH
,
9387 .doit
= nl80211_join_mesh
,
9388 .policy
= nl80211_policy
,
9389 .flags
= GENL_ADMIN_PERM
,
9390 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9391 NL80211_FLAG_NEED_RTNL
,
9394 .cmd
= NL80211_CMD_LEAVE_MESH
,
9395 .doit
= nl80211_leave_mesh
,
9396 .policy
= nl80211_policy
,
9397 .flags
= GENL_ADMIN_PERM
,
9398 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9399 NL80211_FLAG_NEED_RTNL
,
9403 .cmd
= NL80211_CMD_GET_WOWLAN
,
9404 .doit
= nl80211_get_wowlan
,
9405 .policy
= nl80211_policy
,
9406 /* can be retrieved by unprivileged users */
9407 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9408 NL80211_FLAG_NEED_RTNL
,
9411 .cmd
= NL80211_CMD_SET_WOWLAN
,
9412 .doit
= nl80211_set_wowlan
,
9413 .policy
= nl80211_policy
,
9414 .flags
= GENL_ADMIN_PERM
,
9415 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9416 NL80211_FLAG_NEED_RTNL
,
9420 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
9421 .doit
= nl80211_set_rekey_data
,
9422 .policy
= nl80211_policy
,
9423 .flags
= GENL_ADMIN_PERM
,
9424 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9425 NL80211_FLAG_NEED_RTNL
,
9428 .cmd
= NL80211_CMD_TDLS_MGMT
,
9429 .doit
= nl80211_tdls_mgmt
,
9430 .policy
= nl80211_policy
,
9431 .flags
= GENL_ADMIN_PERM
,
9432 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9433 NL80211_FLAG_NEED_RTNL
,
9436 .cmd
= NL80211_CMD_TDLS_OPER
,
9437 .doit
= nl80211_tdls_oper
,
9438 .policy
= nl80211_policy
,
9439 .flags
= GENL_ADMIN_PERM
,
9440 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9441 NL80211_FLAG_NEED_RTNL
,
9444 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
9445 .doit
= nl80211_register_unexpected_frame
,
9446 .policy
= nl80211_policy
,
9447 .flags
= GENL_ADMIN_PERM
,
9448 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
9449 NL80211_FLAG_NEED_RTNL
,
9452 .cmd
= NL80211_CMD_PROBE_CLIENT
,
9453 .doit
= nl80211_probe_client
,
9454 .policy
= nl80211_policy
,
9455 .flags
= GENL_ADMIN_PERM
,
9456 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9457 NL80211_FLAG_NEED_RTNL
,
9460 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
9461 .doit
= nl80211_register_beacons
,
9462 .policy
= nl80211_policy
,
9463 .flags
= GENL_ADMIN_PERM
,
9464 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9465 NL80211_FLAG_NEED_RTNL
,
9468 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
9469 .doit
= nl80211_set_noack_map
,
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_START_P2P_DEVICE
,
9477 .doit
= nl80211_start_p2p_device
,
9478 .policy
= nl80211_policy
,
9479 .flags
= GENL_ADMIN_PERM
,
9480 .internal_flags
= NL80211_FLAG_NEED_WDEV
|
9481 NL80211_FLAG_NEED_RTNL
,
9484 .cmd
= NL80211_CMD_STOP_P2P_DEVICE
,
9485 .doit
= nl80211_stop_p2p_device
,
9486 .policy
= nl80211_policy
,
9487 .flags
= GENL_ADMIN_PERM
,
9488 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9489 NL80211_FLAG_NEED_RTNL
,
9492 .cmd
= NL80211_CMD_SET_MCAST_RATE
,
9493 .doit
= nl80211_set_mcast_rate
,
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_MAC_ACL
,
9501 .doit
= nl80211_set_mac_acl
,
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_RADAR_DETECT
,
9509 .doit
= nl80211_start_radar_detection
,
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_GET_PROTOCOL_FEATURES
,
9517 .doit
= nl80211_get_protocol_features
,
9518 .policy
= nl80211_policy
,
9521 .cmd
= NL80211_CMD_UPDATE_FT_IES
,
9522 .doit
= nl80211_update_ft_ies
,
9523 .policy
= nl80211_policy
,
9524 .flags
= GENL_ADMIN_PERM
,
9525 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9526 NL80211_FLAG_NEED_RTNL
,
9529 .cmd
= NL80211_CMD_CRIT_PROTOCOL_START
,
9530 .doit
= nl80211_crit_protocol_start
,
9531 .policy
= nl80211_policy
,
9532 .flags
= GENL_ADMIN_PERM
,
9533 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9534 NL80211_FLAG_NEED_RTNL
,
9537 .cmd
= NL80211_CMD_CRIT_PROTOCOL_STOP
,
9538 .doit
= nl80211_crit_protocol_stop
,
9539 .policy
= nl80211_policy
,
9540 .flags
= GENL_ADMIN_PERM
,
9541 .internal_flags
= NL80211_FLAG_NEED_WDEV_UP
|
9542 NL80211_FLAG_NEED_RTNL
,
9545 .cmd
= NL80211_CMD_GET_COALESCE
,
9546 .doit
= nl80211_get_coalesce
,
9547 .policy
= nl80211_policy
,
9548 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9549 NL80211_FLAG_NEED_RTNL
,
9552 .cmd
= NL80211_CMD_SET_COALESCE
,
9553 .doit
= nl80211_set_coalesce
,
9554 .policy
= nl80211_policy
,
9555 .flags
= GENL_ADMIN_PERM
,
9556 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
9557 NL80211_FLAG_NEED_RTNL
,
9560 .cmd
= NL80211_CMD_CHANNEL_SWITCH
,
9561 .doit
= nl80211_channel_switch
,
9562 .policy
= nl80211_policy
,
9563 .flags
= GENL_ADMIN_PERM
,
9564 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
9565 NL80211_FLAG_NEED_RTNL
,
9569 static struct genl_multicast_group nl80211_mlme_mcgrp
= {
9573 /* multicast groups */
9574 static struct genl_multicast_group nl80211_config_mcgrp
= {
9577 static struct genl_multicast_group nl80211_scan_mcgrp
= {
9580 static struct genl_multicast_group nl80211_regulatory_mcgrp
= {
9581 .name
= "regulatory",
9584 /* notification functions */
9586 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
9588 struct sk_buff
*msg
;
9589 struct nl80211_dump_wiphy_state state
= {};
9591 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9595 if (nl80211_send_wiphy(rdev
, msg
, 0, 0, 0, &state
) < 0) {
9600 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9601 nl80211_config_mcgrp
.id
, GFP_KERNEL
);
9604 static int nl80211_add_scan_req(struct sk_buff
*msg
,
9605 struct cfg80211_registered_device
*rdev
)
9607 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
9608 struct nlattr
*nest
;
9614 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
9616 goto nla_put_failure
;
9617 for (i
= 0; i
< req
->n_ssids
; i
++) {
9618 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
9619 goto nla_put_failure
;
9621 nla_nest_end(msg
, nest
);
9623 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
9625 goto nla_put_failure
;
9626 for (i
= 0; i
< req
->n_channels
; i
++) {
9627 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
9628 goto nla_put_failure
;
9630 nla_nest_end(msg
, nest
);
9633 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
9634 goto nla_put_failure
;
9637 nla_put_u32(msg
, NL80211_ATTR_SCAN_FLAGS
, req
->flags
);
9644 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
9645 struct cfg80211_registered_device
*rdev
,
9646 struct wireless_dev
*wdev
,
9647 u32 portid
, u32 seq
, int flags
,
9652 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
9656 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9657 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
9658 wdev
->netdev
->ifindex
)) ||
9659 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
9660 goto nla_put_failure
;
9662 /* ignore errors and send incomplete event anyway */
9663 nl80211_add_scan_req(msg
, rdev
);
9665 return genlmsg_end(msg
, hdr
);
9668 genlmsg_cancel(msg
, hdr
);
9673 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
9674 struct cfg80211_registered_device
*rdev
,
9675 struct net_device
*netdev
,
9676 u32 portid
, u32 seq
, int flags
, u32 cmd
)
9680 hdr
= nl80211hdr_put(msg
, portid
, seq
, flags
, cmd
);
9684 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9685 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
9686 goto nla_put_failure
;
9688 return genlmsg_end(msg
, hdr
);
9691 genlmsg_cancel(msg
, hdr
);
9695 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
9696 struct wireless_dev
*wdev
)
9698 struct sk_buff
*msg
;
9700 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9704 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
9705 NL80211_CMD_TRIGGER_SCAN
) < 0) {
9710 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9711 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
9714 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
9715 struct wireless_dev
*wdev
)
9717 struct sk_buff
*msg
;
9719 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9723 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
9724 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
9729 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9730 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
9733 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
9734 struct wireless_dev
*wdev
)
9736 struct sk_buff
*msg
;
9738 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9742 if (nl80211_send_scan_msg(msg
, rdev
, wdev
, 0, 0, 0,
9743 NL80211_CMD_SCAN_ABORTED
) < 0) {
9748 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9749 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
9752 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
9753 struct net_device
*netdev
)
9755 struct sk_buff
*msg
;
9757 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9761 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
9762 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
9767 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9768 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
9771 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
9772 struct net_device
*netdev
, u32 cmd
)
9774 struct sk_buff
*msg
;
9776 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9780 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
9785 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9786 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
9790 * This can happen on global regulatory changes or device specific settings
9791 * based on custom world regulatory domains.
9793 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
9795 struct sk_buff
*msg
;
9798 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
9802 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
9808 /* Userspace can always count this one always being set */
9809 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
9810 goto nla_put_failure
;
9812 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
9813 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
9814 NL80211_REGDOM_TYPE_WORLD
))
9815 goto nla_put_failure
;
9816 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
9817 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
9818 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
9819 goto nla_put_failure
;
9820 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
9821 request
->intersect
) {
9822 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
9823 NL80211_REGDOM_TYPE_INTERSECTION
))
9824 goto nla_put_failure
;
9826 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
9827 NL80211_REGDOM_TYPE_COUNTRY
) ||
9828 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
9830 goto nla_put_failure
;
9833 if (request
->wiphy_idx
!= WIPHY_IDX_INVALID
&&
9834 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
9835 goto nla_put_failure
;
9837 genlmsg_end(msg
, hdr
);
9840 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
9847 genlmsg_cancel(msg
, hdr
);
9851 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
9852 struct net_device
*netdev
,
9853 const u8
*buf
, size_t len
,
9854 enum nl80211_commands cmd
, gfp_t gfp
)
9856 struct sk_buff
*msg
;
9859 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9863 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
9869 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9870 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
9871 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
9872 goto nla_put_failure
;
9874 genlmsg_end(msg
, hdr
);
9876 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9877 nl80211_mlme_mcgrp
.id
, gfp
);
9881 genlmsg_cancel(msg
, hdr
);
9885 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
9886 struct net_device
*netdev
, const u8
*buf
,
9887 size_t len
, gfp_t gfp
)
9889 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
9890 NL80211_CMD_AUTHENTICATE
, gfp
);
9893 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
9894 struct net_device
*netdev
, const u8
*buf
,
9895 size_t len
, gfp_t gfp
)
9897 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
9898 NL80211_CMD_ASSOCIATE
, gfp
);
9901 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
9902 struct net_device
*netdev
, const u8
*buf
,
9903 size_t len
, gfp_t gfp
)
9905 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
9906 NL80211_CMD_DEAUTHENTICATE
, gfp
);
9909 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
9910 struct net_device
*netdev
, const u8
*buf
,
9911 size_t len
, gfp_t gfp
)
9913 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
9914 NL80211_CMD_DISASSOCIATE
, gfp
);
9917 void cfg80211_rx_unprot_mlme_mgmt(struct net_device
*dev
, const u8
*buf
,
9920 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
9921 struct wiphy
*wiphy
= wdev
->wiphy
;
9922 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
9923 const struct ieee80211_mgmt
*mgmt
= (void *)buf
;
9926 if (WARN_ON(len
< 2))
9929 if (ieee80211_is_deauth(mgmt
->frame_control
))
9930 cmd
= NL80211_CMD_UNPROT_DEAUTHENTICATE
;
9932 cmd
= NL80211_CMD_UNPROT_DISASSOCIATE
;
9934 trace_cfg80211_rx_unprot_mlme_mgmt(dev
, buf
, len
);
9935 nl80211_send_mlme_event(rdev
, dev
, buf
, len
, cmd
, GFP_ATOMIC
);
9937 EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt
);
9939 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
9940 struct net_device
*netdev
, int cmd
,
9941 const u8
*addr
, gfp_t gfp
)
9943 struct sk_buff
*msg
;
9946 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
9950 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
9956 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
9957 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
9958 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
9959 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
9960 goto nla_put_failure
;
9962 genlmsg_end(msg
, hdr
);
9964 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
9965 nl80211_mlme_mcgrp
.id
, gfp
);
9969 genlmsg_cancel(msg
, hdr
);
9973 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
9974 struct net_device
*netdev
, const u8
*addr
,
9977 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
9981 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
9982 struct net_device
*netdev
, const u8
*addr
,
9985 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
9989 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
9990 struct net_device
*netdev
, const u8
*bssid
,
9991 const u8
*req_ie
, size_t req_ie_len
,
9992 const u8
*resp_ie
, size_t resp_ie_len
,
9993 u16 status
, gfp_t gfp
)
9995 struct sk_buff
*msg
;
9998 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10002 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
10008 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10009 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10010 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
10011 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
10013 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10015 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10016 goto nla_put_failure
;
10018 genlmsg_end(msg
, hdr
);
10020 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10021 nl80211_mlme_mcgrp
.id
, gfp
);
10025 genlmsg_cancel(msg
, hdr
);
10030 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
10031 struct net_device
*netdev
, const u8
*bssid
,
10032 const u8
*req_ie
, size_t req_ie_len
,
10033 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
10035 struct sk_buff
*msg
;
10038 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10042 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
10048 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10049 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10050 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
10052 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
10054 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
10055 goto nla_put_failure
;
10057 genlmsg_end(msg
, hdr
);
10059 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10060 nl80211_mlme_mcgrp
.id
, gfp
);
10064 genlmsg_cancel(msg
, hdr
);
10069 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
10070 struct net_device
*netdev
, u16 reason
,
10071 const u8
*ie
, size_t ie_len
, bool from_ap
)
10073 struct sk_buff
*msg
;
10076 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
10080 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
10086 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10087 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10088 (from_ap
&& reason
&&
10089 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
10091 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
10092 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10093 goto nla_put_failure
;
10095 genlmsg_end(msg
, hdr
);
10097 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10098 nl80211_mlme_mcgrp
.id
, GFP_KERNEL
);
10102 genlmsg_cancel(msg
, hdr
);
10107 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
10108 struct net_device
*netdev
, const u8
*bssid
,
10111 struct sk_buff
*msg
;
10114 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10118 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
10124 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10125 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10126 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10127 goto nla_put_failure
;
10129 genlmsg_end(msg
, hdr
);
10131 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10132 nl80211_mlme_mcgrp
.id
, gfp
);
10136 genlmsg_cancel(msg
, hdr
);
10140 void cfg80211_notify_new_peer_candidate(struct net_device
*dev
, const u8
*addr
,
10141 const u8
* ie
, u8 ie_len
, gfp_t gfp
)
10143 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10144 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
10145 struct sk_buff
*msg
;
10148 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
10151 trace_cfg80211_notify_new_peer_candidate(dev
, addr
);
10153 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10157 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
10163 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10164 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10165 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
10167 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
10168 goto nla_put_failure
;
10170 genlmsg_end(msg
, hdr
);
10172 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10173 nl80211_mlme_mcgrp
.id
, gfp
);
10177 genlmsg_cancel(msg
, hdr
);
10180 EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate
);
10182 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
10183 struct net_device
*netdev
, const u8
*addr
,
10184 enum nl80211_key_type key_type
, int key_id
,
10185 const u8
*tsc
, gfp_t gfp
)
10187 struct sk_buff
*msg
;
10190 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10194 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
10200 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10201 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10202 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
10203 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
10205 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
10206 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
10207 goto nla_put_failure
;
10209 genlmsg_end(msg
, hdr
);
10211 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10212 nl80211_mlme_mcgrp
.id
, gfp
);
10216 genlmsg_cancel(msg
, hdr
);
10220 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
10221 struct ieee80211_channel
*channel_before
,
10222 struct ieee80211_channel
*channel_after
)
10224 struct sk_buff
*msg
;
10226 struct nlattr
*nl_freq
;
10228 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
10232 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
10239 * Since we are applying the beacon hint to a wiphy we know its
10240 * wiphy_idx is valid
10242 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
10243 goto nla_put_failure
;
10246 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
10248 goto nla_put_failure
;
10249 if (nl80211_msg_put_channel(msg
, channel_before
, false))
10250 goto nla_put_failure
;
10251 nla_nest_end(msg
, nl_freq
);
10254 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
10256 goto nla_put_failure
;
10257 if (nl80211_msg_put_channel(msg
, channel_after
, false))
10258 goto nla_put_failure
;
10259 nla_nest_end(msg
, nl_freq
);
10261 genlmsg_end(msg
, hdr
);
10264 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
10271 genlmsg_cancel(msg
, hdr
);
10275 static void nl80211_send_remain_on_chan_event(
10276 int cmd
, struct cfg80211_registered_device
*rdev
,
10277 struct wireless_dev
*wdev
, u64 cookie
,
10278 struct ieee80211_channel
*chan
,
10279 unsigned int duration
, gfp_t gfp
)
10281 struct sk_buff
*msg
;
10284 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10288 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10294 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10295 (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10296 wdev
->netdev
->ifindex
)) ||
10297 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10298 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
10299 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
10300 NL80211_CHAN_NO_HT
) ||
10301 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
10302 goto nla_put_failure
;
10304 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
10305 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
10306 goto nla_put_failure
;
10308 genlmsg_end(msg
, hdr
);
10310 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10311 nl80211_mlme_mcgrp
.id
, gfp
);
10315 genlmsg_cancel(msg
, hdr
);
10319 void cfg80211_ready_on_channel(struct wireless_dev
*wdev
, u64 cookie
,
10320 struct ieee80211_channel
*chan
,
10321 unsigned int duration
, gfp_t gfp
)
10323 struct wiphy
*wiphy
= wdev
->wiphy
;
10324 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10326 trace_cfg80211_ready_on_channel(wdev
, cookie
, chan
, duration
);
10327 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
10328 rdev
, wdev
, cookie
, chan
,
10331 EXPORT_SYMBOL(cfg80211_ready_on_channel
);
10333 void cfg80211_remain_on_channel_expired(struct wireless_dev
*wdev
, u64 cookie
,
10334 struct ieee80211_channel
*chan
,
10337 struct wiphy
*wiphy
= wdev
->wiphy
;
10338 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10340 trace_cfg80211_ready_on_channel_expired(wdev
, cookie
, chan
);
10341 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
10342 rdev
, wdev
, cookie
, chan
, 0, gfp
);
10344 EXPORT_SYMBOL(cfg80211_remain_on_channel_expired
);
10346 void cfg80211_new_sta(struct net_device
*dev
, const u8
*mac_addr
,
10347 struct station_info
*sinfo
, gfp_t gfp
)
10349 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10350 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10351 struct sk_buff
*msg
;
10353 trace_cfg80211_new_sta(dev
, mac_addr
, sinfo
);
10355 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10359 if (nl80211_send_station(msg
, 0, 0, 0,
10360 rdev
, dev
, mac_addr
, sinfo
) < 0) {
10365 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10366 nl80211_mlme_mcgrp
.id
, gfp
);
10368 EXPORT_SYMBOL(cfg80211_new_sta
);
10370 void cfg80211_del_sta(struct net_device
*dev
, const u8
*mac_addr
, gfp_t gfp
)
10372 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10373 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10374 struct sk_buff
*msg
;
10377 trace_cfg80211_del_sta(dev
, mac_addr
);
10379 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10383 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
10389 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10390 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
10391 goto nla_put_failure
;
10393 genlmsg_end(msg
, hdr
);
10395 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10396 nl80211_mlme_mcgrp
.id
, gfp
);
10400 genlmsg_cancel(msg
, hdr
);
10403 EXPORT_SYMBOL(cfg80211_del_sta
);
10405 void cfg80211_conn_failed(struct net_device
*dev
, const u8
*mac_addr
,
10406 enum nl80211_connect_failed_reason reason
,
10409 struct wiphy
*wiphy
= dev
->ieee80211_ptr
->wiphy
;
10410 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10411 struct sk_buff
*msg
;
10414 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
10418 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONN_FAILED
);
10424 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10425 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
10426 nla_put_u32(msg
, NL80211_ATTR_CONN_FAILED_REASON
, reason
))
10427 goto nla_put_failure
;
10429 genlmsg_end(msg
, hdr
);
10431 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10432 nl80211_mlme_mcgrp
.id
, gfp
);
10436 genlmsg_cancel(msg
, hdr
);
10439 EXPORT_SYMBOL(cfg80211_conn_failed
);
10441 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
10442 const u8
*addr
, gfp_t gfp
)
10444 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10445 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
10446 struct sk_buff
*msg
;
10448 u32 nlportid
= ACCESS_ONCE(wdev
->ap_unexpected_nlportid
);
10453 msg
= nlmsg_new(100, gfp
);
10457 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
10463 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10464 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10465 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
10466 goto nla_put_failure
;
10468 genlmsg_end(msg
, hdr
);
10469 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
10473 genlmsg_cancel(msg
, hdr
);
10478 bool cfg80211_rx_spurious_frame(struct net_device
*dev
,
10479 const u8
*addr
, gfp_t gfp
)
10481 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10484 trace_cfg80211_rx_spurious_frame(dev
, addr
);
10486 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10487 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)) {
10488 trace_cfg80211_return_bool(false);
10491 ret
= __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
10493 trace_cfg80211_return_bool(ret
);
10496 EXPORT_SYMBOL(cfg80211_rx_spurious_frame
);
10498 bool cfg80211_rx_unexpected_4addr_frame(struct net_device
*dev
,
10499 const u8
*addr
, gfp_t gfp
)
10501 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10504 trace_cfg80211_rx_unexpected_4addr_frame(dev
, addr
);
10506 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10507 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
10508 wdev
->iftype
!= NL80211_IFTYPE_AP_VLAN
)) {
10509 trace_cfg80211_return_bool(false);
10512 ret
= __nl80211_unexpected_frame(dev
,
10513 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
10515 trace_cfg80211_return_bool(ret
);
10518 EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame
);
10520 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
10521 struct wireless_dev
*wdev
, u32 nlportid
,
10522 int freq
, int sig_dbm
,
10523 const u8
*buf
, size_t len
, u32 flags
, gfp_t gfp
)
10525 struct net_device
*netdev
= wdev
->netdev
;
10526 struct sk_buff
*msg
;
10529 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10533 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
10539 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10540 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10541 netdev
->ifindex
)) ||
10542 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10543 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
10545 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
10546 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
10548 nla_put_u32(msg
, NL80211_ATTR_RXMGMT_FLAGS
, flags
)))
10549 goto nla_put_failure
;
10551 genlmsg_end(msg
, hdr
);
10553 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
10556 genlmsg_cancel(msg
, hdr
);
10561 void cfg80211_mgmt_tx_status(struct wireless_dev
*wdev
, u64 cookie
,
10562 const u8
*buf
, size_t len
, bool ack
, gfp_t gfp
)
10564 struct wiphy
*wiphy
= wdev
->wiphy
;
10565 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10566 struct net_device
*netdev
= wdev
->netdev
;
10567 struct sk_buff
*msg
;
10570 trace_cfg80211_mgmt_tx_status(wdev
, cookie
, ack
);
10572 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10576 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
10582 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10583 (netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
10584 netdev
->ifindex
)) ||
10585 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)) ||
10586 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
10587 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
10588 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
10589 goto nla_put_failure
;
10591 genlmsg_end(msg
, hdr
);
10593 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10594 nl80211_mlme_mcgrp
.id
, gfp
);
10598 genlmsg_cancel(msg
, hdr
);
10601 EXPORT_SYMBOL(cfg80211_mgmt_tx_status
);
10603 void cfg80211_cqm_rssi_notify(struct net_device
*dev
,
10604 enum nl80211_cqm_rssi_threshold_event rssi_event
,
10607 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10608 struct wiphy
*wiphy
= wdev
->wiphy
;
10609 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10610 struct sk_buff
*msg
;
10611 struct nlattr
*pinfoattr
;
10614 trace_cfg80211_cqm_rssi_notify(dev
, rssi_event
);
10616 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10620 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
10626 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10627 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
10628 goto nla_put_failure
;
10630 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
10632 goto nla_put_failure
;
10634 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
10636 goto nla_put_failure
;
10638 nla_nest_end(msg
, pinfoattr
);
10640 genlmsg_end(msg
, hdr
);
10642 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10643 nl80211_mlme_mcgrp
.id
, gfp
);
10647 genlmsg_cancel(msg
, hdr
);
10650 EXPORT_SYMBOL(cfg80211_cqm_rssi_notify
);
10652 static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
10653 struct net_device
*netdev
, const u8
*bssid
,
10654 const u8
*replay_ctr
, gfp_t gfp
)
10656 struct sk_buff
*msg
;
10657 struct nlattr
*rekey_attr
;
10660 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10664 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
10670 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10671 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10672 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
10673 goto nla_put_failure
;
10675 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
10677 goto nla_put_failure
;
10679 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
10680 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
10681 goto nla_put_failure
;
10683 nla_nest_end(msg
, rekey_attr
);
10685 genlmsg_end(msg
, hdr
);
10687 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10688 nl80211_mlme_mcgrp
.id
, gfp
);
10692 genlmsg_cancel(msg
, hdr
);
10696 void cfg80211_gtk_rekey_notify(struct net_device
*dev
, const u8
*bssid
,
10697 const u8
*replay_ctr
, gfp_t gfp
)
10699 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10700 struct wiphy
*wiphy
= wdev
->wiphy
;
10701 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10703 trace_cfg80211_gtk_rekey_notify(dev
, bssid
);
10704 nl80211_gtk_rekey_notify(rdev
, dev
, bssid
, replay_ctr
, gfp
);
10706 EXPORT_SYMBOL(cfg80211_gtk_rekey_notify
);
10709 nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
10710 struct net_device
*netdev
, int index
,
10711 const u8
*bssid
, bool preauth
, gfp_t gfp
)
10713 struct sk_buff
*msg
;
10714 struct nlattr
*attr
;
10717 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10721 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
10727 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10728 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10729 goto nla_put_failure
;
10731 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
10733 goto nla_put_failure
;
10735 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
10736 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
10738 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
10739 goto nla_put_failure
;
10741 nla_nest_end(msg
, attr
);
10743 genlmsg_end(msg
, hdr
);
10745 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10746 nl80211_mlme_mcgrp
.id
, gfp
);
10750 genlmsg_cancel(msg
, hdr
);
10754 void cfg80211_pmksa_candidate_notify(struct net_device
*dev
, int index
,
10755 const u8
*bssid
, bool preauth
, gfp_t gfp
)
10757 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10758 struct wiphy
*wiphy
= wdev
->wiphy
;
10759 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10761 trace_cfg80211_pmksa_candidate_notify(dev
, index
, bssid
, preauth
);
10762 nl80211_pmksa_candidate_notify(rdev
, dev
, index
, bssid
, preauth
, gfp
);
10764 EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify
);
10766 static void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
10767 struct net_device
*netdev
,
10768 struct cfg80211_chan_def
*chandef
,
10771 struct sk_buff
*msg
;
10774 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10778 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY
);
10784 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
10785 goto nla_put_failure
;
10787 if (nl80211_send_chandef(msg
, chandef
))
10788 goto nla_put_failure
;
10790 genlmsg_end(msg
, hdr
);
10792 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10793 nl80211_mlme_mcgrp
.id
, gfp
);
10797 genlmsg_cancel(msg
, hdr
);
10801 void cfg80211_ch_switch_notify(struct net_device
*dev
,
10802 struct cfg80211_chan_def
*chandef
)
10804 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10805 struct wiphy
*wiphy
= wdev
->wiphy
;
10806 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10808 trace_cfg80211_ch_switch_notify(dev
, chandef
);
10812 if (WARN_ON(wdev
->iftype
!= NL80211_IFTYPE_AP
&&
10813 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
&&
10814 wdev
->iftype
!= NL80211_IFTYPE_ADHOC
&&
10815 wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
))
10818 wdev
->channel
= chandef
->chan
;
10819 nl80211_ch_switch_notify(rdev
, dev
, chandef
, GFP_KERNEL
);
10824 EXPORT_SYMBOL(cfg80211_ch_switch_notify
);
10826 void cfg80211_cqm_txe_notify(struct net_device
*dev
,
10827 const u8
*peer
, u32 num_packets
,
10828 u32 rate
, u32 intvl
, gfp_t gfp
)
10830 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10831 struct wiphy
*wiphy
= wdev
->wiphy
;
10832 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10833 struct sk_buff
*msg
;
10834 struct nlattr
*pinfoattr
;
10837 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
10841 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
10847 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10848 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10849 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
10850 goto nla_put_failure
;
10852 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
10854 goto nla_put_failure
;
10856 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_PKTS
, num_packets
))
10857 goto nla_put_failure
;
10859 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_RATE
, rate
))
10860 goto nla_put_failure
;
10862 if (nla_put_u32(msg
, NL80211_ATTR_CQM_TXE_INTVL
, intvl
))
10863 goto nla_put_failure
;
10865 nla_nest_end(msg
, pinfoattr
);
10867 genlmsg_end(msg
, hdr
);
10869 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10870 nl80211_mlme_mcgrp
.id
, gfp
);
10874 genlmsg_cancel(msg
, hdr
);
10877 EXPORT_SYMBOL(cfg80211_cqm_txe_notify
);
10880 nl80211_radar_notify(struct cfg80211_registered_device
*rdev
,
10881 struct cfg80211_chan_def
*chandef
,
10882 enum nl80211_radar_event event
,
10883 struct net_device
*netdev
, gfp_t gfp
)
10885 struct sk_buff
*msg
;
10888 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10892 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_RADAR_DETECT
);
10898 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
10899 goto nla_put_failure
;
10901 /* NOP and radar events don't need a netdev parameter */
10903 struct wireless_dev
*wdev
= netdev
->ieee80211_ptr
;
10905 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
10906 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
10907 goto nla_put_failure
;
10910 if (nla_put_u32(msg
, NL80211_ATTR_RADAR_EVENT
, event
))
10911 goto nla_put_failure
;
10913 if (nl80211_send_chandef(msg
, chandef
))
10914 goto nla_put_failure
;
10916 genlmsg_end(msg
, hdr
);
10918 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10919 nl80211_mlme_mcgrp
.id
, gfp
);
10923 genlmsg_cancel(msg
, hdr
);
10927 void cfg80211_cqm_pktloss_notify(struct net_device
*dev
,
10928 const u8
*peer
, u32 num_packets
, gfp_t gfp
)
10930 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10931 struct wiphy
*wiphy
= wdev
->wiphy
;
10932 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
10933 struct sk_buff
*msg
;
10934 struct nlattr
*pinfoattr
;
10937 trace_cfg80211_cqm_pktloss_notify(dev
, peer
, num_packets
);
10939 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10943 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
10949 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10950 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10951 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
10952 goto nla_put_failure
;
10954 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
10956 goto nla_put_failure
;
10958 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
10959 goto nla_put_failure
;
10961 nla_nest_end(msg
, pinfoattr
);
10963 genlmsg_end(msg
, hdr
);
10965 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
10966 nl80211_mlme_mcgrp
.id
, gfp
);
10970 genlmsg_cancel(msg
, hdr
);
10973 EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify
);
10975 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
10976 u64 cookie
, bool acked
, gfp_t gfp
)
10978 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
10979 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
10980 struct sk_buff
*msg
;
10983 trace_cfg80211_probe_status(dev
, addr
, cookie
, acked
);
10985 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
10990 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
10996 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
10997 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
10998 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
10999 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
11000 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
11001 goto nla_put_failure
;
11003 genlmsg_end(msg
, hdr
);
11005 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
11006 nl80211_mlme_mcgrp
.id
, gfp
);
11010 genlmsg_cancel(msg
, hdr
);
11013 EXPORT_SYMBOL(cfg80211_probe_status
);
11015 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
11016 const u8
*frame
, size_t len
,
11017 int freq
, int sig_dbm
)
11019 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11020 struct sk_buff
*msg
;
11022 struct cfg80211_beacon_registration
*reg
;
11024 trace_cfg80211_report_obss_beacon(wiphy
, frame
, len
, freq
, sig_dbm
);
11026 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11027 list_for_each_entry(reg
, &rdev
->beacon_registrations
, list
) {
11028 msg
= nlmsg_new(len
+ 100, GFP_ATOMIC
);
11030 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11034 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
11036 goto nla_put_failure
;
11038 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11040 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
11042 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
11043 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
11044 goto nla_put_failure
;
11046 genlmsg_end(msg
, hdr
);
11048 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, reg
->nlportid
);
11050 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11054 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11056 genlmsg_cancel(msg
, hdr
);
11059 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
11062 void cfg80211_report_wowlan_wakeup(struct wireless_dev
*wdev
,
11063 struct cfg80211_wowlan_wakeup
*wakeup
,
11066 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11067 struct sk_buff
*msg
;
11071 trace_cfg80211_report_wowlan_wakeup(wdev
->wiphy
, wdev
, wakeup
);
11074 size
+= wakeup
->packet_present_len
;
11076 msg
= nlmsg_new(size
, gfp
);
11080 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_WOWLAN
);
11084 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11085 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11088 if (wdev
->netdev
&& nla_put_u32(msg
, NL80211_ATTR_IFINDEX
,
11089 wdev
->netdev
->ifindex
))
11093 struct nlattr
*reasons
;
11095 reasons
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
11097 if (wakeup
->disconnect
&&
11098 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
))
11100 if (wakeup
->magic_pkt
&&
11101 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
))
11103 if (wakeup
->gtk_rekey_failure
&&
11104 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
))
11106 if (wakeup
->eap_identity_req
&&
11107 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
))
11109 if (wakeup
->four_way_handshake
&&
11110 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
))
11112 if (wakeup
->rfkill_release
&&
11113 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
))
11116 if (wakeup
->pattern_idx
>= 0 &&
11117 nla_put_u32(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
11118 wakeup
->pattern_idx
))
11121 if (wakeup
->tcp_match
)
11122 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH
);
11124 if (wakeup
->tcp_connlost
)
11126 NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST
);
11128 if (wakeup
->tcp_nomoretokens
)
11130 NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS
);
11132 if (wakeup
->packet
) {
11133 u32 pkt_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211
;
11134 u32 len_attr
= NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN
;
11136 if (!wakeup
->packet_80211
) {
11138 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023
;
11140 NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN
;
11143 if (wakeup
->packet_len
&&
11144 nla_put_u32(msg
, len_attr
, wakeup
->packet_len
))
11147 if (nla_put(msg
, pkt_attr
, wakeup
->packet_present_len
,
11152 nla_nest_end(msg
, reasons
);
11155 genlmsg_end(msg
, hdr
);
11157 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
11158 nl80211_mlme_mcgrp
.id
, gfp
);
11164 EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup
);
11167 void cfg80211_tdls_oper_request(struct net_device
*dev
, const u8
*peer
,
11168 enum nl80211_tdls_operation oper
,
11169 u16 reason_code
, gfp_t gfp
)
11171 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
11172 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
11173 struct sk_buff
*msg
;
11176 trace_cfg80211_tdls_oper_request(wdev
->wiphy
, dev
, peer
, oper
,
11179 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11183 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_TDLS_OPER
);
11189 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11190 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
11191 nla_put_u8(msg
, NL80211_ATTR_TDLS_OPERATION
, oper
) ||
11192 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
) ||
11193 (reason_code
> 0 &&
11194 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason_code
)))
11195 goto nla_put_failure
;
11197 genlmsg_end(msg
, hdr
);
11199 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
11200 nl80211_mlme_mcgrp
.id
, gfp
);
11204 genlmsg_cancel(msg
, hdr
);
11207 EXPORT_SYMBOL(cfg80211_tdls_oper_request
);
11209 static int nl80211_netlink_notify(struct notifier_block
* nb
,
11210 unsigned long state
,
11213 struct netlink_notify
*notify
= _notify
;
11214 struct cfg80211_registered_device
*rdev
;
11215 struct wireless_dev
*wdev
;
11216 struct cfg80211_beacon_registration
*reg
, *tmp
;
11218 if (state
!= NETLINK_URELEASE
)
11219 return NOTIFY_DONE
;
11223 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
11224 list_for_each_entry_rcu(wdev
, &rdev
->wdev_list
, list
)
11225 cfg80211_mlme_unregister_socket(wdev
, notify
->portid
);
11227 spin_lock_bh(&rdev
->beacon_registrations_lock
);
11228 list_for_each_entry_safe(reg
, tmp
, &rdev
->beacon_registrations
,
11230 if (reg
->nlportid
== notify
->portid
) {
11231 list_del(®
->list
);
11236 spin_unlock_bh(&rdev
->beacon_registrations_lock
);
11241 return NOTIFY_DONE
;
11244 static struct notifier_block nl80211_netlink_notifier
= {
11245 .notifier_call
= nl80211_netlink_notify
,
11248 void cfg80211_ft_event(struct net_device
*netdev
,
11249 struct cfg80211_ft_event_params
*ft_event
)
11251 struct wiphy
*wiphy
= netdev
->ieee80211_ptr
->wiphy
;
11252 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
11253 struct sk_buff
*msg
;
11256 trace_cfg80211_ft_event(wiphy
, netdev
, ft_event
);
11258 if (!ft_event
->target_ap
)
11261 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
11265 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FT_EVENT
);
11271 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
11272 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
11273 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, ft_event
->target_ap
);
11275 nla_put(msg
, NL80211_ATTR_IE
, ft_event
->ies_len
, ft_event
->ies
);
11276 if (ft_event
->ric_ies
)
11277 nla_put(msg
, NL80211_ATTR_IE_RIC
, ft_event
->ric_ies_len
,
11278 ft_event
->ric_ies
);
11280 genlmsg_end(msg
, hdr
);
11282 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
11283 nl80211_mlme_mcgrp
.id
, GFP_KERNEL
);
11285 EXPORT_SYMBOL(cfg80211_ft_event
);
11287 void cfg80211_crit_proto_stopped(struct wireless_dev
*wdev
, gfp_t gfp
)
11289 struct cfg80211_registered_device
*rdev
;
11290 struct sk_buff
*msg
;
11294 rdev
= wiphy_to_dev(wdev
->wiphy
);
11295 if (!rdev
->crit_proto_nlportid
)
11298 nlportid
= rdev
->crit_proto_nlportid
;
11299 rdev
->crit_proto_nlportid
= 0;
11301 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
11305 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP
);
11307 goto nla_put_failure
;
11309 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
11310 nla_put_u64(msg
, NL80211_ATTR_WDEV
, wdev_id(wdev
)))
11311 goto nla_put_failure
;
11313 genlmsg_end(msg
, hdr
);
11315 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlportid
);
11320 genlmsg_cancel(msg
, hdr
);
11324 EXPORT_SYMBOL(cfg80211_crit_proto_stopped
);
11326 /* initialisation/exit functions */
11328 int nl80211_init(void)
11332 err
= genl_register_family_with_ops(&nl80211_fam
,
11333 nl80211_ops
, ARRAY_SIZE(nl80211_ops
));
11337 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_config_mcgrp
);
11341 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_scan_mcgrp
);
11345 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_regulatory_mcgrp
);
11349 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_mlme_mcgrp
);
11353 #ifdef CONFIG_NL80211_TESTMODE
11354 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_testmode_mcgrp
);
11359 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
11365 genl_unregister_family(&nl80211_fam
);
11369 void nl80211_exit(void)
11371 netlink_unregister_notifier(&nl80211_netlink_notifier
);
11372 genl_unregister_family(&nl80211_fam
);