2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
8 #include <linux/module.h>
10 #include <linux/slab.h>
11 #include <linux/list.h>
12 #include <linux/if_ether.h>
13 #include <linux/ieee80211.h>
14 #include <linux/nl80211.h>
15 #include <linux/rtnetlink.h>
16 #include <linux/netlink.h>
17 #include <linux/etherdevice.h>
18 #include <net/net_namespace.h>
19 #include <net/genetlink.h>
20 #include <net/cfg80211.h>
26 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type
);
27 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
28 struct genl_info
*info
,
29 struct cfg80211_crypto_settings
*settings
,
32 static int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
33 struct genl_info
*info
);
34 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
35 struct genl_info
*info
);
37 /* the netlink family */
38 static struct genl_family nl80211_fam
= {
39 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
40 .name
= "nl80211", /* have users key off the name instead */
41 .hdrsize
= 0, /* no private header */
42 .version
= 1, /* no particular meaning now */
43 .maxattr
= NL80211_ATTR_MAX
,
45 .pre_doit
= nl80211_pre_doit
,
46 .post_doit
= nl80211_post_doit
,
49 /* internal helper: get rdev and dev */
50 static int get_rdev_dev_by_ifindex(struct net
*netns
, struct nlattr
**attrs
,
51 struct cfg80211_registered_device
**rdev
,
52 struct net_device
**dev
)
56 if (!attrs
[NL80211_ATTR_IFINDEX
])
59 ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
60 *dev
= dev_get_by_index(netns
, ifindex
);
64 *rdev
= cfg80211_get_dev_from_ifindex(netns
, ifindex
);
67 return PTR_ERR(*rdev
);
73 /* policy for the attributes */
74 static const struct nla_policy nl80211_policy
[NL80211_ATTR_MAX
+1] = {
75 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
76 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
78 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
79 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
80 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
81 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
82 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
83 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
84 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
85 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
87 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
88 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
89 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
91 [NL80211_ATTR_MAC
] = { .len
= ETH_ALEN
},
92 [NL80211_ATTR_PREV_BSSID
] = { .len
= ETH_ALEN
},
94 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
95 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
96 .len
= WLAN_MAX_KEY_LEN
},
97 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
98 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
99 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
100 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
101 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
103 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
104 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
105 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
106 .len
= IEEE80211_MAX_DATA_LEN
},
107 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
108 .len
= IEEE80211_MAX_DATA_LEN
},
109 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
110 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
111 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
112 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
113 .len
= NL80211_MAX_SUPP_RATES
},
114 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
115 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
116 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
117 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
118 .len
= IEEE80211_MAX_MESH_ID_LEN
},
119 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
121 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
122 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
124 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
125 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
126 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
127 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
128 .len
= NL80211_MAX_SUPP_RATES
},
129 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
131 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
132 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
134 [NL80211_ATTR_HT_CAPABILITY
] = { .len
= NL80211_HT_CAPABILITY_LEN
},
136 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
137 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
138 .len
= IEEE80211_MAX_DATA_LEN
},
139 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
140 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
142 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
143 .len
= IEEE80211_MAX_SSID_LEN
},
144 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
145 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
146 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
147 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
148 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
149 [NL80211_ATTR_STA_FLAGS2
] = {
150 .len
= sizeof(struct nl80211_sta_flag_update
),
152 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
153 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
154 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
155 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
156 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
157 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
158 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
159 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
160 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
161 .len
= WLAN_PMKID_LEN
},
162 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
163 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
164 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
165 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
166 .len
= IEEE80211_MAX_DATA_LEN
},
167 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
168 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
169 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
170 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
171 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
172 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
173 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
174 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
175 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
176 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
177 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
178 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
179 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
180 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
181 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
182 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
183 [NL80211_ATTR_REKEY_DATA
] = { .type
= NLA_NESTED
},
184 [NL80211_ATTR_SCAN_SUPP_RATES
] = { .type
= NLA_NESTED
},
185 [NL80211_ATTR_HIDDEN_SSID
] = { .type
= NLA_U32
},
186 [NL80211_ATTR_IE_PROBE_RESP
] = { .type
= NLA_BINARY
,
187 .len
= IEEE80211_MAX_DATA_LEN
},
188 [NL80211_ATTR_IE_ASSOC_RESP
] = { .type
= NLA_BINARY
,
189 .len
= IEEE80211_MAX_DATA_LEN
},
190 [NL80211_ATTR_ROAM_SUPPORT
] = { .type
= NLA_FLAG
},
191 [NL80211_ATTR_SCHED_SCAN_MATCH
] = { .type
= NLA_NESTED
},
192 [NL80211_ATTR_TX_NO_CCK_RATE
] = { .type
= NLA_FLAG
},
193 [NL80211_ATTR_TDLS_ACTION
] = { .type
= NLA_U8
},
194 [NL80211_ATTR_TDLS_DIALOG_TOKEN
] = { .type
= NLA_U8
},
195 [NL80211_ATTR_TDLS_OPERATION
] = { .type
= NLA_U8
},
196 [NL80211_ATTR_TDLS_SUPPORT
] = { .type
= NLA_FLAG
},
197 [NL80211_ATTR_TDLS_EXTERNAL_SETUP
] = { .type
= NLA_FLAG
},
198 [NL80211_ATTR_DONT_WAIT_FOR_ACK
] = { .type
= NLA_FLAG
},
199 [NL80211_ATTR_PROBE_RESP
] = { .type
= NLA_BINARY
,
200 .len
= IEEE80211_MAX_DATA_LEN
},
201 [NL80211_ATTR_DFS_REGION
] = { .type
= NLA_U8
},
202 [NL80211_ATTR_DISABLE_HT
] = { .type
= NLA_FLAG
},
203 [NL80211_ATTR_HT_CAPABILITY_MASK
] = {
204 .len
= NL80211_HT_CAPABILITY_LEN
206 [NL80211_ATTR_NOACK_MAP
] = { .type
= NLA_U16
},
207 [NL80211_ATTR_INACTIVITY_TIMEOUT
] = { .type
= NLA_U16
},
208 [NL80211_ATTR_BG_SCAN_PERIOD
] = { .type
= NLA_U16
},
211 /* policy for the key attributes */
212 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
213 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
214 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
215 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
216 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 16 },
217 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
218 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
219 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
220 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
223 /* policy for the key default flags */
224 static const struct nla_policy
225 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
226 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
227 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
230 /* policy for WoWLAN attributes */
231 static const struct nla_policy
232 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
233 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
234 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
235 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
236 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
237 [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
] = { .type
= NLA_FLAG
},
238 [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
] = { .type
= NLA_FLAG
},
239 [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
] = { .type
= NLA_FLAG
},
240 [NL80211_WOWLAN_TRIG_RFKILL_RELEASE
] = { .type
= NLA_FLAG
},
243 /* policy for GTK rekey offload attributes */
244 static const struct nla_policy
245 nl80211_rekey_policy
[NUM_NL80211_REKEY_DATA
] = {
246 [NL80211_REKEY_DATA_KEK
] = { .len
= NL80211_KEK_LEN
},
247 [NL80211_REKEY_DATA_KCK
] = { .len
= NL80211_KCK_LEN
},
248 [NL80211_REKEY_DATA_REPLAY_CTR
] = { .len
= NL80211_REPLAY_CTR_LEN
},
251 static const struct nla_policy
252 nl80211_match_policy
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1] = {
253 [NL80211_ATTR_SCHED_SCAN_MATCH_SSID
] = { .type
= NLA_BINARY
,
254 .len
= IEEE80211_MAX_SSID_LEN
},
257 /* ifidx get helper */
258 static int nl80211_get_ifidx(struct netlink_callback
*cb
)
262 res
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
263 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
268 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
271 res
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
277 static int nl80211_prepare_netdev_dump(struct sk_buff
*skb
,
278 struct netlink_callback
*cb
,
279 struct cfg80211_registered_device
**rdev
,
280 struct net_device
**dev
)
282 int ifidx
= cb
->args
[0];
286 ifidx
= nl80211_get_ifidx(cb
);
294 *dev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
300 *rdev
= cfg80211_get_dev_from_ifindex(sock_net(skb
->sk
), ifidx
);
302 err
= PTR_ERR(*rdev
);
312 static void nl80211_finish_netdev_dump(struct cfg80211_registered_device
*rdev
)
314 cfg80211_unlock_rdev(rdev
);
319 static bool is_valid_ie_attr(const struct nlattr
*attr
)
327 pos
= nla_data(attr
);
348 /* message building helper */
349 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 pid
, u32 seq
,
352 /* since there is no private header just add the generic one */
353 return genlmsg_put(skb
, pid
, seq
, &nl80211_fam
, flags
, cmd
);
356 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
357 struct ieee80211_channel
*chan
)
359 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
361 goto nla_put_failure
;
363 if ((chan
->flags
& IEEE80211_CHAN_DISABLED
) &&
364 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_DISABLED
))
365 goto nla_put_failure
;
366 if ((chan
->flags
& IEEE80211_CHAN_PASSIVE_SCAN
) &&
367 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
))
368 goto nla_put_failure
;
369 if ((chan
->flags
& IEEE80211_CHAN_NO_IBSS
) &&
370 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_NO_IBSS
))
371 goto nla_put_failure
;
372 if ((chan
->flags
& IEEE80211_CHAN_RADAR
) &&
373 nla_put_flag(msg
, NL80211_FREQUENCY_ATTR_RADAR
))
374 goto nla_put_failure
;
376 if (nla_put_u32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
377 DBM_TO_MBM(chan
->max_power
)))
378 goto nla_put_failure
;
386 /* netlink command implementations */
393 bool def_uni
, def_multi
;
396 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
398 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
399 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
404 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
405 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
414 if (tb
[NL80211_KEY_IDX
])
415 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
417 if (tb
[NL80211_KEY_DATA
]) {
418 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
419 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
422 if (tb
[NL80211_KEY_SEQ
]) {
423 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
424 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
427 if (tb
[NL80211_KEY_CIPHER
])
428 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
430 if (tb
[NL80211_KEY_TYPE
]) {
431 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
432 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
436 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
437 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
438 err
= nla_parse_nested(kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
439 tb
[NL80211_KEY_DEFAULT_TYPES
],
440 nl80211_key_default_policy
);
444 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
445 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
451 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
453 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
454 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
455 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
458 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
459 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
460 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
463 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
464 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
466 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
467 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
469 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
470 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
479 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
480 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
481 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
485 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
486 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
487 int err
= nla_parse_nested(
488 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
489 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
490 nl80211_key_default_policy
);
494 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
495 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
501 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
505 memset(k
, 0, sizeof(*k
));
509 if (info
->attrs
[NL80211_ATTR_KEY
])
510 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
512 err
= nl80211_parse_key_old(info
, k
);
517 if (k
->def
&& k
->defmgmt
)
521 if (k
->def_uni
|| !k
->def_multi
)
527 if (k
->idx
< 4 || k
->idx
> 5)
530 if (k
->idx
< 0 || k
->idx
> 3)
533 if (k
->idx
< 0 || k
->idx
> 5)
541 static struct cfg80211_cached_keys
*
542 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
545 struct key_parse parse
;
547 struct cfg80211_cached_keys
*result
;
548 int rem
, err
, def
= 0;
550 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
552 return ERR_PTR(-ENOMEM
);
555 result
->defmgmt
= -1;
557 nla_for_each_nested(key
, keys
, rem
) {
558 memset(&parse
, 0, sizeof(parse
));
561 err
= nl80211_parse_key_new(key
, &parse
);
567 if (parse
.idx
< 0 || parse
.idx
> 4)
573 result
->def
= parse
.idx
;
574 if (!parse
.def_uni
|| !parse
.def_multi
)
576 } else if (parse
.defmgmt
)
578 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
579 parse
.idx
, false, NULL
);
582 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
583 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
584 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
585 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
594 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
596 ASSERT_WDEV_LOCK(wdev
);
598 switch (wdev
->iftype
) {
599 case NL80211_IFTYPE_AP
:
600 case NL80211_IFTYPE_AP_VLAN
:
601 case NL80211_IFTYPE_P2P_GO
:
602 case NL80211_IFTYPE_MESH_POINT
:
604 case NL80211_IFTYPE_ADHOC
:
605 if (!wdev
->current_bss
)
608 case NL80211_IFTYPE_STATION
:
609 case NL80211_IFTYPE_P2P_CLIENT
:
610 if (wdev
->sme_state
!= CFG80211_SME_CONNECTED
)
620 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
622 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
626 goto nla_put_failure
;
630 if ((ifmodes
& 1) && nla_put_flag(msg
, i
))
631 goto nla_put_failure
;
636 nla_nest_end(msg
, nl_modes
);
643 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
646 struct nlattr
*nl_combis
;
649 nl_combis
= nla_nest_start(msg
,
650 NL80211_ATTR_INTERFACE_COMBINATIONS
);
652 goto nla_put_failure
;
654 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
655 const struct ieee80211_iface_combination
*c
;
656 struct nlattr
*nl_combi
, *nl_limits
;
658 c
= &wiphy
->iface_combinations
[i
];
660 nl_combi
= nla_nest_start(msg
, i
+ 1);
662 goto nla_put_failure
;
664 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
666 goto nla_put_failure
;
668 for (j
= 0; j
< c
->n_limits
; j
++) {
669 struct nlattr
*nl_limit
;
671 nl_limit
= nla_nest_start(msg
, j
+ 1);
673 goto nla_put_failure
;
674 if (nla_put_u32(msg
, NL80211_IFACE_LIMIT_MAX
,
676 goto nla_put_failure
;
677 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
679 goto nla_put_failure
;
680 nla_nest_end(msg
, nl_limit
);
683 nla_nest_end(msg
, nl_limits
);
685 if (c
->beacon_int_infra_match
&&
686 nla_put_flag(msg
, NL80211_IFACE_COMB_STA_AP_BI_MATCH
))
687 goto nla_put_failure
;
688 if (nla_put_u32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
689 c
->num_different_channels
) ||
690 nla_put_u32(msg
, NL80211_IFACE_COMB_MAXNUM
,
692 goto nla_put_failure
;
694 nla_nest_end(msg
, nl_combi
);
697 nla_nest_end(msg
, nl_combis
);
704 static int nl80211_send_wiphy(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
705 struct cfg80211_registered_device
*dev
)
708 struct nlattr
*nl_bands
, *nl_band
;
709 struct nlattr
*nl_freqs
, *nl_freq
;
710 struct nlattr
*nl_rates
, *nl_rate
;
711 struct nlattr
*nl_cmds
;
712 enum ieee80211_band band
;
713 struct ieee80211_channel
*chan
;
714 struct ieee80211_rate
*rate
;
716 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
717 dev
->wiphy
.mgmt_stypes
;
719 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_WIPHY
);
723 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, dev
->wiphy_idx
) ||
724 nla_put_string(msg
, NL80211_ATTR_WIPHY_NAME
, wiphy_name(&dev
->wiphy
)) ||
725 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
726 cfg80211_rdev_list_generation
) ||
727 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
728 dev
->wiphy
.retry_short
) ||
729 nla_put_u8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
730 dev
->wiphy
.retry_long
) ||
731 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
732 dev
->wiphy
.frag_threshold
) ||
733 nla_put_u32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
734 dev
->wiphy
.rts_threshold
) ||
735 nla_put_u8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
736 dev
->wiphy
.coverage_class
) ||
737 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
738 dev
->wiphy
.max_scan_ssids
) ||
739 nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS
,
740 dev
->wiphy
.max_sched_scan_ssids
) ||
741 nla_put_u16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
742 dev
->wiphy
.max_scan_ie_len
) ||
743 nla_put_u16(msg
, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN
,
744 dev
->wiphy
.max_sched_scan_ie_len
) ||
745 nla_put_u8(msg
, NL80211_ATTR_MAX_MATCH_SETS
,
746 dev
->wiphy
.max_match_sets
))
747 goto nla_put_failure
;
749 if ((dev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
) &&
750 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
))
751 goto nla_put_failure
;
752 if ((dev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
) &&
753 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
))
754 goto nla_put_failure
;
755 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
756 nla_put_flag(msg
, NL80211_ATTR_SUPPORT_AP_UAPSD
))
757 goto nla_put_failure
;
758 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
) &&
759 nla_put_flag(msg
, NL80211_ATTR_ROAM_SUPPORT
))
760 goto nla_put_failure
;
761 if ((dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) &&
762 nla_put_flag(msg
, NL80211_ATTR_TDLS_SUPPORT
))
763 goto nla_put_failure
;
764 if ((dev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
) &&
765 nla_put_flag(msg
, NL80211_ATTR_TDLS_EXTERNAL_SETUP
))
766 goto nla_put_failure
;
768 if (nla_put(msg
, NL80211_ATTR_CIPHER_SUITES
,
769 sizeof(u32
) * dev
->wiphy
.n_cipher_suites
,
770 dev
->wiphy
.cipher_suites
))
771 goto nla_put_failure
;
773 if (nla_put_u8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
774 dev
->wiphy
.max_num_pmkids
))
775 goto nla_put_failure
;
777 if ((dev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
778 nla_put_flag(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
))
779 goto nla_put_failure
;
781 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
782 dev
->wiphy
.available_antennas_tx
) ||
783 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
784 dev
->wiphy
.available_antennas_rx
))
785 goto nla_put_failure
;
787 if ((dev
->wiphy
.flags
& WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD
) &&
788 nla_put_u32(msg
, NL80211_ATTR_PROBE_RESP_OFFLOAD
,
789 dev
->wiphy
.probe_resp_offload
))
790 goto nla_put_failure
;
792 if ((dev
->wiphy
.available_antennas_tx
||
793 dev
->wiphy
.available_antennas_rx
) && dev
->ops
->get_antenna
) {
794 u32 tx_ant
= 0, rx_ant
= 0;
796 res
= dev
->ops
->get_antenna(&dev
->wiphy
, &tx_ant
, &rx_ant
);
798 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_TX
,
800 nla_put_u32(msg
, NL80211_ATTR_WIPHY_ANTENNA_RX
,
802 goto nla_put_failure
;
806 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
807 dev
->wiphy
.interface_modes
))
808 goto nla_put_failure
;
810 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
812 goto nla_put_failure
;
814 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
815 if (!dev
->wiphy
.bands
[band
])
818 nl_band
= nla_nest_start(msg
, band
);
820 goto nla_put_failure
;
823 if (dev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
&&
824 (nla_put(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
825 sizeof(dev
->wiphy
.bands
[band
]->ht_cap
.mcs
),
826 &dev
->wiphy
.bands
[band
]->ht_cap
.mcs
) ||
827 nla_put_u16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
828 dev
->wiphy
.bands
[band
]->ht_cap
.cap
) ||
829 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
830 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_factor
) ||
831 nla_put_u8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
832 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_density
)))
833 goto nla_put_failure
;
835 /* add frequencies */
836 nl_freqs
= nla_nest_start(msg
, NL80211_BAND_ATTR_FREQS
);
838 goto nla_put_failure
;
840 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_channels
; i
++) {
841 nl_freq
= nla_nest_start(msg
, i
);
843 goto nla_put_failure
;
845 chan
= &dev
->wiphy
.bands
[band
]->channels
[i
];
847 if (nl80211_msg_put_channel(msg
, chan
))
848 goto nla_put_failure
;
850 nla_nest_end(msg
, nl_freq
);
853 nla_nest_end(msg
, nl_freqs
);
856 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
858 goto nla_put_failure
;
860 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_bitrates
; i
++) {
861 nl_rate
= nla_nest_start(msg
, i
);
863 goto nla_put_failure
;
865 rate
= &dev
->wiphy
.bands
[band
]->bitrates
[i
];
866 if (nla_put_u32(msg
, NL80211_BITRATE_ATTR_RATE
,
868 goto nla_put_failure
;
869 if ((rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
) &&
871 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
))
872 goto nla_put_failure
;
874 nla_nest_end(msg
, nl_rate
);
877 nla_nest_end(msg
, nl_rates
);
879 nla_nest_end(msg
, nl_band
);
881 nla_nest_end(msg
, nl_bands
);
883 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
885 goto nla_put_failure
;
890 if (dev->ops->op) { \
892 if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \
893 goto nla_put_failure; \
897 CMD(add_virtual_intf
, NEW_INTERFACE
);
898 CMD(change_virtual_intf
, SET_INTERFACE
);
899 CMD(add_key
, NEW_KEY
);
900 CMD(start_ap
, START_AP
);
901 CMD(add_station
, NEW_STATION
);
902 CMD(add_mpath
, NEW_MPATH
);
903 CMD(update_mesh_config
, SET_MESH_CONFIG
);
904 CMD(change_bss
, SET_BSS
);
905 CMD(auth
, AUTHENTICATE
);
906 CMD(assoc
, ASSOCIATE
);
907 CMD(deauth
, DEAUTHENTICATE
);
908 CMD(disassoc
, DISASSOCIATE
);
909 CMD(join_ibss
, JOIN_IBSS
);
910 CMD(join_mesh
, JOIN_MESH
);
911 CMD(set_pmksa
, SET_PMKSA
);
912 CMD(del_pmksa
, DEL_PMKSA
);
913 CMD(flush_pmksa
, FLUSH_PMKSA
);
914 if (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
)
915 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
916 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
918 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
919 if (dev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
921 if (nla_put_u32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
))
922 goto nla_put_failure
;
924 CMD(set_channel
, SET_CHANNEL
);
925 CMD(set_wds_peer
, SET_WDS_PEER
);
926 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) {
927 CMD(tdls_mgmt
, TDLS_MGMT
);
928 CMD(tdls_oper
, TDLS_OPER
);
930 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
931 CMD(sched_scan_start
, START_SCHED_SCAN
);
932 CMD(probe_client
, PROBE_CLIENT
);
933 CMD(set_noack_map
, SET_NOACK_MAP
);
934 if (dev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
) {
936 if (nla_put_u32(msg
, i
, NL80211_CMD_REGISTER_BEACONS
))
937 goto nla_put_failure
;
940 #ifdef CONFIG_NL80211_TESTMODE
941 CMD(testmode_cmd
, TESTMODE
);
946 if (dev
->ops
->connect
|| dev
->ops
->auth
) {
948 if (nla_put_u32(msg
, i
, NL80211_CMD_CONNECT
))
949 goto nla_put_failure
;
952 if (dev
->ops
->disconnect
|| dev
->ops
->deauth
) {
954 if (nla_put_u32(msg
, i
, NL80211_CMD_DISCONNECT
))
955 goto nla_put_failure
;
958 nla_nest_end(msg
, nl_cmds
);
960 if (dev
->ops
->remain_on_channel
&&
961 (dev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
) &&
962 nla_put_u32(msg
, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
963 dev
->wiphy
.max_remain_on_channel_duration
))
964 goto nla_put_failure
;
966 if ((dev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
) &&
967 nla_put_flag(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
))
968 goto nla_put_failure
;
972 struct nlattr
*nl_ftypes
, *nl_ifs
;
973 enum nl80211_iftype ift
;
975 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
977 goto nla_put_failure
;
979 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
980 nl_ftypes
= nla_nest_start(msg
, ift
);
982 goto nla_put_failure
;
984 stypes
= mgmt_stypes
[ift
].tx
;
987 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
988 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
989 goto nla_put_failure
;
993 nla_nest_end(msg
, nl_ftypes
);
996 nla_nest_end(msg
, nl_ifs
);
998 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
1000 goto nla_put_failure
;
1002 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
1003 nl_ftypes
= nla_nest_start(msg
, ift
);
1005 goto nla_put_failure
;
1007 stypes
= mgmt_stypes
[ift
].rx
;
1010 nla_put_u16(msg
, NL80211_ATTR_FRAME_TYPE
,
1011 (i
<< 4) | IEEE80211_FTYPE_MGMT
))
1012 goto nla_put_failure
;
1016 nla_nest_end(msg
, nl_ftypes
);
1018 nla_nest_end(msg
, nl_ifs
);
1021 if (dev
->wiphy
.wowlan
.flags
|| dev
->wiphy
.wowlan
.n_patterns
) {
1022 struct nlattr
*nl_wowlan
;
1024 nl_wowlan
= nla_nest_start(msg
,
1025 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
1027 goto nla_put_failure
;
1029 if (((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_ANY
) &&
1030 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
1031 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_DISCONNECT
) &&
1032 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
1033 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_MAGIC_PKT
) &&
1034 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
1035 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
) &&
1036 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
)) ||
1037 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
) &&
1038 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
1039 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
) &&
1040 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
1041 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
) &&
1042 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
1043 ((dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_RFKILL_RELEASE
) &&
1044 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
1045 goto nla_put_failure
;
1046 if (dev
->wiphy
.wowlan
.n_patterns
) {
1047 struct nl80211_wowlan_pattern_support pat
= {
1048 .max_patterns
= dev
->wiphy
.wowlan
.n_patterns
,
1050 dev
->wiphy
.wowlan
.pattern_min_len
,
1052 dev
->wiphy
.wowlan
.pattern_max_len
,
1054 if (nla_put(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
1056 goto nla_put_failure
;
1059 nla_nest_end(msg
, nl_wowlan
);
1062 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
1063 dev
->wiphy
.software_iftypes
))
1064 goto nla_put_failure
;
1066 if (nl80211_put_iface_combinations(&dev
->wiphy
, msg
))
1067 goto nla_put_failure
;
1069 if ((dev
->wiphy
.flags
& WIPHY_FLAG_HAVE_AP_SME
) &&
1070 nla_put_u32(msg
, NL80211_ATTR_DEVICE_AP_SME
,
1071 dev
->wiphy
.ap_sme_capa
))
1072 goto nla_put_failure
;
1074 if (nla_put_u32(msg
, NL80211_ATTR_FEATURE_FLAGS
,
1075 dev
->wiphy
.features
))
1076 goto nla_put_failure
;
1078 if (dev
->wiphy
.ht_capa_mod_mask
&&
1079 nla_put(msg
, NL80211_ATTR_HT_CAPABILITY_MASK
,
1080 sizeof(*dev
->wiphy
.ht_capa_mod_mask
),
1081 dev
->wiphy
.ht_capa_mod_mask
))
1082 goto nla_put_failure
;
1084 return genlmsg_end(msg
, hdr
);
1087 genlmsg_cancel(msg
, hdr
);
1091 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1094 int start
= cb
->args
[0];
1095 struct cfg80211_registered_device
*dev
;
1097 mutex_lock(&cfg80211_mutex
);
1098 list_for_each_entry(dev
, &cfg80211_rdev_list
, list
) {
1099 if (!net_eq(wiphy_net(&dev
->wiphy
), sock_net(skb
->sk
)))
1103 if (nl80211_send_wiphy(skb
, NETLINK_CB(cb
->skb
).pid
,
1104 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1110 mutex_unlock(&cfg80211_mutex
);
1117 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1119 struct sk_buff
*msg
;
1120 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1122 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1126 if (nl80211_send_wiphy(msg
, info
->snd_pid
, info
->snd_seq
, 0, dev
) < 0) {
1131 return genlmsg_reply(msg
, info
);
1134 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
1135 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
1136 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
1137 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
1138 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1139 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1142 static int parse_txq_params(struct nlattr
*tb
[],
1143 struct ieee80211_txq_params
*txq_params
)
1145 if (!tb
[NL80211_TXQ_ATTR_AC
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1146 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1147 !tb
[NL80211_TXQ_ATTR_AIFS
])
1150 txq_params
->ac
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AC
]);
1151 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1152 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1153 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1154 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1156 if (txq_params
->ac
>= NL80211_NUM_ACS
)
1162 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1165 * You can only set the channel explicitly for AP, mesh
1166 * and WDS type interfaces; all others have their channel
1167 * managed via their respective "establish a connection"
1168 * command (connect, join, ...)
1170 * Monitors are special as they are normally slaved to
1171 * whatever else is going on, so they behave as though
1172 * you tried setting the wiphy channel itself.
1175 wdev
->iftype
== NL80211_IFTYPE_AP
||
1176 wdev
->iftype
== NL80211_IFTYPE_WDS
||
1177 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1178 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1179 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1182 static bool nl80211_valid_channel_type(struct genl_info
*info
,
1183 enum nl80211_channel_type
*channel_type
)
1185 enum nl80211_channel_type tmp
;
1187 if (!info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
])
1190 tmp
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1191 if (tmp
!= NL80211_CHAN_NO_HT
&&
1192 tmp
!= NL80211_CHAN_HT20
&&
1193 tmp
!= NL80211_CHAN_HT40PLUS
&&
1194 tmp
!= NL80211_CHAN_HT40MINUS
)
1198 *channel_type
= tmp
;
1203 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1204 struct wireless_dev
*wdev
,
1205 struct genl_info
*info
)
1207 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
1211 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1214 if (!nl80211_can_set_dev_channel(wdev
))
1217 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
] &&
1218 !nl80211_valid_channel_type(info
, &channel_type
))
1221 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1223 mutex_lock(&rdev
->devlist_mtx
);
1226 result
= cfg80211_set_freq(rdev
, wdev
, freq
, channel_type
);
1229 result
= cfg80211_set_freq(rdev
, NULL
, freq
, channel_type
);
1231 mutex_unlock(&rdev
->devlist_mtx
);
1236 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
1238 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1239 struct net_device
*netdev
= info
->user_ptr
[1];
1241 return __nl80211_set_channel(rdev
, netdev
->ieee80211_ptr
, info
);
1244 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
1246 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1247 struct net_device
*dev
= info
->user_ptr
[1];
1248 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1251 if (!info
->attrs
[NL80211_ATTR_MAC
])
1254 if (netif_running(dev
))
1257 if (!rdev
->ops
->set_wds_peer
)
1260 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
1263 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1264 return rdev
->ops
->set_wds_peer(wdev
->wiphy
, dev
, bssid
);
1268 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1270 struct cfg80211_registered_device
*rdev
;
1271 struct net_device
*netdev
= NULL
;
1272 struct wireless_dev
*wdev
;
1273 int result
= 0, rem_txq_params
= 0;
1274 struct nlattr
*nl_txq_params
;
1276 u8 retry_short
= 0, retry_long
= 0;
1277 u32 frag_threshold
= 0, rts_threshold
= 0;
1278 u8 coverage_class
= 0;
1281 * Try to find the wiphy and netdev. Normally this
1282 * function shouldn't need the netdev, but this is
1283 * done for backward compatibility -- previously
1284 * setting the channel was done per wiphy, but now
1285 * it is per netdev. Previous userland like hostapd
1286 * also passed a netdev to set_wiphy, so that it is
1287 * possible to let that go to the right netdev!
1289 mutex_lock(&cfg80211_mutex
);
1291 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
1292 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
1294 netdev
= dev_get_by_index(genl_info_net(info
), ifindex
);
1295 if (netdev
&& netdev
->ieee80211_ptr
) {
1296 rdev
= wiphy_to_dev(netdev
->ieee80211_ptr
->wiphy
);
1297 mutex_lock(&rdev
->mtx
);
1303 rdev
= __cfg80211_rdev_from_info(info
);
1305 mutex_unlock(&cfg80211_mutex
);
1306 return PTR_ERR(rdev
);
1312 mutex_lock(&rdev
->mtx
);
1313 } else if (netif_running(netdev
) &&
1314 nl80211_can_set_dev_channel(netdev
->ieee80211_ptr
))
1315 wdev
= netdev
->ieee80211_ptr
;
1320 * end workaround code, by now the rdev is available
1321 * and locked, and wdev may or may not be NULL.
1324 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
1325 result
= cfg80211_dev_rename(
1326 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
1328 mutex_unlock(&cfg80211_mutex
);
1333 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
1334 struct ieee80211_txq_params txq_params
;
1335 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
1337 if (!rdev
->ops
->set_txq_params
) {
1338 result
= -EOPNOTSUPP
;
1347 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
1348 netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
) {
1353 if (!netif_running(netdev
)) {
1358 nla_for_each_nested(nl_txq_params
,
1359 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
1361 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
1362 nla_data(nl_txq_params
),
1363 nla_len(nl_txq_params
),
1365 result
= parse_txq_params(tb
, &txq_params
);
1369 result
= rdev
->ops
->set_txq_params(&rdev
->wiphy
,
1377 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
1378 result
= __nl80211_set_channel(rdev
, wdev
, info
);
1383 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
1384 enum nl80211_tx_power_setting type
;
1387 if (!rdev
->ops
->set_tx_power
) {
1388 result
= -EOPNOTSUPP
;
1392 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
1393 type
= nla_get_u32(info
->attrs
[idx
]);
1395 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
1396 (type
!= NL80211_TX_POWER_AUTOMATIC
)) {
1401 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
1402 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
1403 mbm
= nla_get_u32(info
->attrs
[idx
]);
1406 result
= rdev
->ops
->set_tx_power(&rdev
->wiphy
, type
, mbm
);
1411 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
1412 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
1414 if ((!rdev
->wiphy
.available_antennas_tx
&&
1415 !rdev
->wiphy
.available_antennas_rx
) ||
1416 !rdev
->ops
->set_antenna
) {
1417 result
= -EOPNOTSUPP
;
1421 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
1422 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
1424 /* reject antenna configurations which don't match the
1425 * available antenna masks, except for the "all" mask */
1426 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
1427 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
))) {
1432 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
1433 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
1435 result
= rdev
->ops
->set_antenna(&rdev
->wiphy
, tx_ant
, rx_ant
);
1442 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
1443 retry_short
= nla_get_u8(
1444 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
1445 if (retry_short
== 0) {
1449 changed
|= WIPHY_PARAM_RETRY_SHORT
;
1452 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
1453 retry_long
= nla_get_u8(
1454 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
1455 if (retry_long
== 0) {
1459 changed
|= WIPHY_PARAM_RETRY_LONG
;
1462 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
1463 frag_threshold
= nla_get_u32(
1464 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
1465 if (frag_threshold
< 256) {
1469 if (frag_threshold
!= (u32
) -1) {
1471 * Fragments (apart from the last one) are required to
1472 * have even length. Make the fragmentation code
1473 * simpler by stripping LSB should someone try to use
1474 * odd threshold value.
1476 frag_threshold
&= ~0x1;
1478 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
1481 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
1482 rts_threshold
= nla_get_u32(
1483 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
1484 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
1487 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
1488 coverage_class
= nla_get_u8(
1489 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
1490 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
1494 u8 old_retry_short
, old_retry_long
;
1495 u32 old_frag_threshold
, old_rts_threshold
;
1496 u8 old_coverage_class
;
1498 if (!rdev
->ops
->set_wiphy_params
) {
1499 result
= -EOPNOTSUPP
;
1503 old_retry_short
= rdev
->wiphy
.retry_short
;
1504 old_retry_long
= rdev
->wiphy
.retry_long
;
1505 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
1506 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
1507 old_coverage_class
= rdev
->wiphy
.coverage_class
;
1509 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1510 rdev
->wiphy
.retry_short
= retry_short
;
1511 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1512 rdev
->wiphy
.retry_long
= retry_long
;
1513 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
1514 rdev
->wiphy
.frag_threshold
= frag_threshold
;
1515 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
1516 rdev
->wiphy
.rts_threshold
= rts_threshold
;
1517 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
1518 rdev
->wiphy
.coverage_class
= coverage_class
;
1520 result
= rdev
->ops
->set_wiphy_params(&rdev
->wiphy
, changed
);
1522 rdev
->wiphy
.retry_short
= old_retry_short
;
1523 rdev
->wiphy
.retry_long
= old_retry_long
;
1524 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
1525 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
1526 rdev
->wiphy
.coverage_class
= old_coverage_class
;
1531 mutex_unlock(&rdev
->mtx
);
1538 static int nl80211_send_iface(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
1539 struct cfg80211_registered_device
*rdev
,
1540 struct net_device
*dev
)
1544 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
1548 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
1549 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
1550 nla_put_string(msg
, NL80211_ATTR_IFNAME
, dev
->name
) ||
1551 nla_put_u32(msg
, NL80211_ATTR_IFTYPE
,
1552 dev
->ieee80211_ptr
->iftype
) ||
1553 nla_put_u32(msg
, NL80211_ATTR_GENERATION
,
1554 rdev
->devlist_generation
^
1555 (cfg80211_rdev_list_generation
<< 2)))
1556 goto nla_put_failure
;
1558 if (rdev
->ops
->get_channel
) {
1559 struct ieee80211_channel
*chan
;
1560 enum nl80211_channel_type channel_type
;
1562 chan
= rdev
->ops
->get_channel(&rdev
->wiphy
, &channel_type
);
1564 (nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
,
1565 chan
->center_freq
) ||
1566 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
,
1568 goto nla_put_failure
;
1571 return genlmsg_end(msg
, hdr
);
1574 genlmsg_cancel(msg
, hdr
);
1578 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1582 int wp_start
= cb
->args
[0];
1583 int if_start
= cb
->args
[1];
1584 struct cfg80211_registered_device
*rdev
;
1585 struct wireless_dev
*wdev
;
1587 mutex_lock(&cfg80211_mutex
);
1588 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1589 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1591 if (wp_idx
< wp_start
) {
1597 mutex_lock(&rdev
->devlist_mtx
);
1598 list_for_each_entry(wdev
, &rdev
->netdev_list
, list
) {
1599 if (if_idx
< if_start
) {
1603 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).pid
,
1604 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1605 rdev
, wdev
->netdev
) < 0) {
1606 mutex_unlock(&rdev
->devlist_mtx
);
1611 mutex_unlock(&rdev
->devlist_mtx
);
1616 mutex_unlock(&cfg80211_mutex
);
1618 cb
->args
[0] = wp_idx
;
1619 cb
->args
[1] = if_idx
;
1624 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1626 struct sk_buff
*msg
;
1627 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1628 struct net_device
*netdev
= info
->user_ptr
[1];
1630 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1634 if (nl80211_send_iface(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1640 return genlmsg_reply(msg
, info
);
1643 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
1644 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
1645 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
1646 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
1647 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
1648 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
1651 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
1653 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
1661 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
1662 nla
, mntr_flags_policy
))
1665 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
1667 *mntrflags
|= (1<<flag
);
1672 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
1673 struct net_device
*netdev
, u8 use_4addr
,
1674 enum nl80211_iftype iftype
)
1677 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
1683 case NL80211_IFTYPE_AP_VLAN
:
1684 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
1687 case NL80211_IFTYPE_STATION
:
1688 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
1698 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1700 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1701 struct vif_params params
;
1703 enum nl80211_iftype otype
, ntype
;
1704 struct net_device
*dev
= info
->user_ptr
[1];
1705 u32 _flags
, *flags
= NULL
;
1706 bool change
= false;
1708 memset(¶ms
, 0, sizeof(params
));
1710 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
1712 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
1713 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
1716 if (ntype
> NL80211_IFTYPE_MAX
)
1720 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
1721 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1723 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
1725 if (netif_running(dev
))
1729 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
1730 IEEE80211_MAX_MESH_ID_LEN
);
1731 wdev
->mesh_id_up_len
=
1732 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
1733 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
1734 wdev
->mesh_id_up_len
);
1738 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
1739 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
1741 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
1745 params
.use_4addr
= -1;
1748 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
1749 if (ntype
!= NL80211_IFTYPE_MONITOR
)
1751 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
1761 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
1765 if (!err
&& params
.use_4addr
!= -1)
1766 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
1771 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1773 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1774 struct vif_params params
;
1775 struct net_device
*dev
;
1777 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
1780 memset(¶ms
, 0, sizeof(params
));
1782 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
1785 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
1786 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
1787 if (type
> NL80211_IFTYPE_MAX
)
1791 if (!rdev
->ops
->add_virtual_intf
||
1792 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
1795 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
1796 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
1797 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
1802 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
1803 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
1805 dev
= rdev
->ops
->add_virtual_intf(&rdev
->wiphy
,
1806 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
1807 type
, err
? NULL
: &flags
, ¶ms
);
1809 return PTR_ERR(dev
);
1811 if (type
== NL80211_IFTYPE_MESH_POINT
&&
1812 info
->attrs
[NL80211_ATTR_MESH_ID
]) {
1813 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1816 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
1817 IEEE80211_MAX_MESH_ID_LEN
);
1818 wdev
->mesh_id_up_len
=
1819 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
1820 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
1821 wdev
->mesh_id_up_len
);
1828 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1830 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1831 struct net_device
*dev
= info
->user_ptr
[1];
1833 if (!rdev
->ops
->del_virtual_intf
)
1836 return rdev
->ops
->del_virtual_intf(&rdev
->wiphy
, dev
);
1839 static int nl80211_set_noack_map(struct sk_buff
*skb
, struct genl_info
*info
)
1841 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1842 struct net_device
*dev
= info
->user_ptr
[1];
1845 if (!info
->attrs
[NL80211_ATTR_NOACK_MAP
])
1848 if (!rdev
->ops
->set_noack_map
)
1851 noack_map
= nla_get_u16(info
->attrs
[NL80211_ATTR_NOACK_MAP
]);
1853 return rdev
->ops
->set_noack_map(&rdev
->wiphy
, dev
, noack_map
);
1856 struct get_key_cookie
{
1857 struct sk_buff
*msg
;
1862 static void get_key_callback(void *c
, struct key_params
*params
)
1865 struct get_key_cookie
*cookie
= c
;
1868 nla_put(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
1869 params
->key_len
, params
->key
)) ||
1871 nla_put(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
1872 params
->seq_len
, params
->seq
)) ||
1874 nla_put_u32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
1876 goto nla_put_failure
;
1878 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
1880 goto nla_put_failure
;
1883 nla_put(cookie
->msg
, NL80211_KEY_DATA
,
1884 params
->key_len
, params
->key
)) ||
1886 nla_put(cookie
->msg
, NL80211_KEY_SEQ
,
1887 params
->seq_len
, params
->seq
)) ||
1889 nla_put_u32(cookie
->msg
, NL80211_KEY_CIPHER
,
1891 goto nla_put_failure
;
1893 if (nla_put_u8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
))
1894 goto nla_put_failure
;
1896 nla_nest_end(cookie
->msg
, key
);
1903 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
1905 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1907 struct net_device
*dev
= info
->user_ptr
[1];
1909 const u8
*mac_addr
= NULL
;
1911 struct get_key_cookie cookie
= {
1915 struct sk_buff
*msg
;
1917 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
1918 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
1923 if (info
->attrs
[NL80211_ATTR_MAC
])
1924 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1926 pairwise
= !!mac_addr
;
1927 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
1928 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
1929 if (kt
>= NUM_NL80211_KEYTYPES
)
1931 if (kt
!= NL80211_KEYTYPE_GROUP
&&
1932 kt
!= NL80211_KEYTYPE_PAIRWISE
)
1934 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
1937 if (!rdev
->ops
->get_key
)
1940 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1944 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1945 NL80211_CMD_NEW_KEY
);
1947 return PTR_ERR(hdr
);
1950 cookie
.idx
= key_idx
;
1952 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
1953 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
))
1954 goto nla_put_failure
;
1956 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
1957 goto nla_put_failure
;
1959 if (pairwise
&& mac_addr
&&
1960 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
1963 err
= rdev
->ops
->get_key(&rdev
->wiphy
, dev
, key_idx
, pairwise
,
1964 mac_addr
, &cookie
, get_key_callback
);
1970 goto nla_put_failure
;
1972 genlmsg_end(msg
, hdr
);
1973 return genlmsg_reply(msg
, info
);
1982 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
1984 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1985 struct key_parse key
;
1987 struct net_device
*dev
= info
->user_ptr
[1];
1989 err
= nl80211_parse_key(info
, &key
);
1996 /* only support setting default key */
1997 if (!key
.def
&& !key
.defmgmt
)
2000 wdev_lock(dev
->ieee80211_ptr
);
2003 if (!rdev
->ops
->set_default_key
) {
2008 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2012 err
= rdev
->ops
->set_default_key(&rdev
->wiphy
, dev
, key
.idx
,
2013 key
.def_uni
, key
.def_multi
);
2018 #ifdef CONFIG_CFG80211_WEXT
2019 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
2022 if (key
.def_uni
|| !key
.def_multi
) {
2027 if (!rdev
->ops
->set_default_mgmt_key
) {
2032 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2036 err
= rdev
->ops
->set_default_mgmt_key(&rdev
->wiphy
,
2041 #ifdef CONFIG_CFG80211_WEXT
2042 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
2047 wdev_unlock(dev
->ieee80211_ptr
);
2052 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
2054 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2056 struct net_device
*dev
= info
->user_ptr
[1];
2057 struct key_parse key
;
2058 const u8
*mac_addr
= NULL
;
2060 err
= nl80211_parse_key(info
, &key
);
2067 if (info
->attrs
[NL80211_ATTR_MAC
])
2068 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2070 if (key
.type
== -1) {
2072 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2074 key
.type
= NL80211_KEYTYPE_GROUP
;
2078 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2079 key
.type
!= NL80211_KEYTYPE_GROUP
)
2082 if (!rdev
->ops
->add_key
)
2085 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
2086 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2090 wdev_lock(dev
->ieee80211_ptr
);
2091 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2093 err
= rdev
->ops
->add_key(&rdev
->wiphy
, dev
, key
.idx
,
2094 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2096 wdev_unlock(dev
->ieee80211_ptr
);
2101 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
2103 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2105 struct net_device
*dev
= info
->user_ptr
[1];
2106 u8
*mac_addr
= NULL
;
2107 struct key_parse key
;
2109 err
= nl80211_parse_key(info
, &key
);
2113 if (info
->attrs
[NL80211_ATTR_MAC
])
2114 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2116 if (key
.type
== -1) {
2118 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
2120 key
.type
= NL80211_KEYTYPE_GROUP
;
2124 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
2125 key
.type
!= NL80211_KEYTYPE_GROUP
)
2128 if (!rdev
->ops
->del_key
)
2131 wdev_lock(dev
->ieee80211_ptr
);
2132 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
2134 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
2135 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
2139 err
= rdev
->ops
->del_key(&rdev
->wiphy
, dev
, key
.idx
,
2140 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
2143 #ifdef CONFIG_CFG80211_WEXT
2145 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
2146 dev
->ieee80211_ptr
->wext
.default_key
= -1;
2147 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
2148 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
2151 wdev_unlock(dev
->ieee80211_ptr
);
2156 static int nl80211_parse_beacon(struct genl_info
*info
,
2157 struct cfg80211_beacon_data
*bcn
)
2159 bool haveinfo
= false;
2161 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) ||
2162 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]) ||
2163 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]) ||
2164 !is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]))
2167 memset(bcn
, 0, sizeof(*bcn
));
2169 if (info
->attrs
[NL80211_ATTR_BEACON_HEAD
]) {
2170 bcn
->head
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
2171 bcn
->head_len
= nla_len(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
2177 if (info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) {
2178 bcn
->tail
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
2180 nla_len(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
2187 if (info
->attrs
[NL80211_ATTR_IE
]) {
2188 bcn
->beacon_ies
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
2189 bcn
->beacon_ies_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
2192 if (info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]) {
2193 bcn
->proberesp_ies
=
2194 nla_data(info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
2195 bcn
->proberesp_ies_len
=
2196 nla_len(info
->attrs
[NL80211_ATTR_IE_PROBE_RESP
]);
2199 if (info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]) {
2200 bcn
->assocresp_ies
=
2201 nla_data(info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
2202 bcn
->assocresp_ies_len
=
2203 nla_len(info
->attrs
[NL80211_ATTR_IE_ASSOC_RESP
]);
2206 if (info
->attrs
[NL80211_ATTR_PROBE_RESP
]) {
2208 nla_data(info
->attrs
[NL80211_ATTR_PROBE_RESP
]);
2209 bcn
->probe_resp_len
=
2210 nla_len(info
->attrs
[NL80211_ATTR_PROBE_RESP
]);
2216 static int nl80211_start_ap(struct sk_buff
*skb
, struct genl_info
*info
)
2218 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2219 struct net_device
*dev
= info
->user_ptr
[1];
2220 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2221 struct cfg80211_ap_settings params
;
2224 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2225 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2228 if (!rdev
->ops
->start_ap
)
2231 if (wdev
->beacon_interval
)
2234 memset(¶ms
, 0, sizeof(params
));
2236 /* these are required for START_AP */
2237 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
2238 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
2239 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
2242 err
= nl80211_parse_beacon(info
, ¶ms
.beacon
);
2246 params
.beacon_interval
=
2247 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
2248 params
.dtim_period
=
2249 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
2251 err
= cfg80211_validate_beacon_int(rdev
, params
.beacon_interval
);
2256 * In theory, some of these attributes should be required here
2257 * but since they were not used when the command was originally
2258 * added, keep them optional for old user space programs to let
2259 * them continue to work with drivers that do not need the
2260 * additional information -- drivers must check!
2262 if (info
->attrs
[NL80211_ATTR_SSID
]) {
2263 params
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
2265 nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
2266 if (params
.ssid_len
== 0 ||
2267 params
.ssid_len
> IEEE80211_MAX_SSID_LEN
)
2271 if (info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]) {
2272 params
.hidden_ssid
= nla_get_u32(
2273 info
->attrs
[NL80211_ATTR_HIDDEN_SSID
]);
2274 if (params
.hidden_ssid
!= NL80211_HIDDEN_SSID_NOT_IN_USE
&&
2275 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_LEN
&&
2276 params
.hidden_ssid
!= NL80211_HIDDEN_SSID_ZERO_CONTENTS
)
2280 params
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
2282 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
2283 params
.auth_type
= nla_get_u32(
2284 info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
2285 if (!nl80211_valid_auth_type(params
.auth_type
))
2288 params
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
2290 err
= nl80211_crypto_settings(rdev
, info
, ¶ms
.crypto
,
2291 NL80211_MAX_NR_CIPHER_SUITES
);
2295 if (info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]) {
2296 if (!(rdev
->wiphy
.features
& NL80211_FEATURE_INACTIVITY_TIMER
))
2298 params
.inactivity_timeout
= nla_get_u16(
2299 info
->attrs
[NL80211_ATTR_INACTIVITY_TIMEOUT
]);
2302 err
= rdev
->ops
->start_ap(&rdev
->wiphy
, dev
, ¶ms
);
2304 wdev
->beacon_interval
= params
.beacon_interval
;
2308 static int nl80211_set_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
2310 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2311 struct net_device
*dev
= info
->user_ptr
[1];
2312 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2313 struct cfg80211_beacon_data params
;
2316 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2317 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2320 if (!rdev
->ops
->change_beacon
)
2323 if (!wdev
->beacon_interval
)
2326 err
= nl80211_parse_beacon(info
, ¶ms
);
2330 return rdev
->ops
->change_beacon(&rdev
->wiphy
, dev
, ¶ms
);
2333 static int nl80211_stop_ap(struct sk_buff
*skb
, struct genl_info
*info
)
2335 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2336 struct net_device
*dev
= info
->user_ptr
[1];
2337 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2340 if (!rdev
->ops
->stop_ap
)
2343 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2344 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2347 if (!wdev
->beacon_interval
)
2350 err
= rdev
->ops
->stop_ap(&rdev
->wiphy
, dev
);
2352 wdev
->beacon_interval
= 0;
2356 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
2357 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
2358 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
2359 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
2360 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
2361 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
2362 [NL80211_STA_FLAG_TDLS_PEER
] = { .type
= NLA_FLAG
},
2365 static int parse_station_flags(struct genl_info
*info
,
2366 enum nl80211_iftype iftype
,
2367 struct station_parameters
*params
)
2369 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
2374 * Try parsing the new attribute first so userspace
2375 * can specify both for older kernels.
2377 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
2379 struct nl80211_sta_flag_update
*sta_flags
;
2381 sta_flags
= nla_data(nla
);
2382 params
->sta_flags_mask
= sta_flags
->mask
;
2383 params
->sta_flags_set
= sta_flags
->set
;
2384 if ((params
->sta_flags_mask
|
2385 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
2390 /* if present, parse the old attribute */
2392 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
2396 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
2397 nla
, sta_flags_policy
))
2401 * Only allow certain flags for interface types so that
2402 * other attributes are silently ignored. Remember that
2403 * this is backward compatibility code with old userspace
2404 * and shouldn't be hit in other cases anyway.
2407 case NL80211_IFTYPE_AP
:
2408 case NL80211_IFTYPE_AP_VLAN
:
2409 case NL80211_IFTYPE_P2P_GO
:
2410 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
2411 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
2412 BIT(NL80211_STA_FLAG_WME
) |
2413 BIT(NL80211_STA_FLAG_MFP
);
2415 case NL80211_IFTYPE_P2P_CLIENT
:
2416 case NL80211_IFTYPE_STATION
:
2417 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHORIZED
) |
2418 BIT(NL80211_STA_FLAG_TDLS_PEER
);
2420 case NL80211_IFTYPE_MESH_POINT
:
2421 params
->sta_flags_mask
= BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
2422 BIT(NL80211_STA_FLAG_MFP
) |
2423 BIT(NL80211_STA_FLAG_AUTHORIZED
);
2428 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++) {
2430 params
->sta_flags_set
|= (1<<flag
);
2432 /* no longer support new API additions in old API */
2433 if (flag
> NL80211_STA_FLAG_MAX_OLD_API
)
2441 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
2444 struct nlattr
*rate
;
2447 rate
= nla_nest_start(msg
, attr
);
2449 goto nla_put_failure
;
2451 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
2452 bitrate
= cfg80211_calculate_bitrate(info
);
2454 nla_put_u16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate
)) ||
2455 ((info
->flags
& RATE_INFO_FLAGS_MCS
) &&
2456 nla_put_u8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
)) ||
2457 ((info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
) &&
2458 nla_put_flag(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
)) ||
2459 ((info
->flags
& RATE_INFO_FLAGS_SHORT_GI
) &&
2460 nla_put_flag(msg
, NL80211_RATE_INFO_SHORT_GI
)))
2461 goto nla_put_failure
;
2463 nla_nest_end(msg
, rate
);
2470 static int nl80211_send_station(struct sk_buff
*msg
, u32 pid
, u32 seq
,
2472 struct cfg80211_registered_device
*rdev
,
2473 struct net_device
*dev
,
2474 const u8
*mac_addr
, struct station_info
*sinfo
)
2477 struct nlattr
*sinfoattr
, *bss_param
;
2479 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
2483 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
2484 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
) ||
2485 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
))
2486 goto nla_put_failure
;
2488 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
2490 goto nla_put_failure
;
2491 if ((sinfo
->filled
& STATION_INFO_CONNECTED_TIME
) &&
2492 nla_put_u32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
2493 sinfo
->connected_time
))
2494 goto nla_put_failure
;
2495 if ((sinfo
->filled
& STATION_INFO_INACTIVE_TIME
) &&
2496 nla_put_u32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
2497 sinfo
->inactive_time
))
2498 goto nla_put_failure
;
2499 if ((sinfo
->filled
& STATION_INFO_RX_BYTES
) &&
2500 nla_put_u32(msg
, NL80211_STA_INFO_RX_BYTES
,
2502 goto nla_put_failure
;
2503 if ((sinfo
->filled
& STATION_INFO_TX_BYTES
) &&
2504 nla_put_u32(msg
, NL80211_STA_INFO_TX_BYTES
,
2506 goto nla_put_failure
;
2507 if ((sinfo
->filled
& STATION_INFO_LLID
) &&
2508 nla_put_u16(msg
, NL80211_STA_INFO_LLID
, sinfo
->llid
))
2509 goto nla_put_failure
;
2510 if ((sinfo
->filled
& STATION_INFO_PLID
) &&
2511 nla_put_u16(msg
, NL80211_STA_INFO_PLID
, sinfo
->plid
))
2512 goto nla_put_failure
;
2513 if ((sinfo
->filled
& STATION_INFO_PLINK_STATE
) &&
2514 nla_put_u8(msg
, NL80211_STA_INFO_PLINK_STATE
,
2515 sinfo
->plink_state
))
2516 goto nla_put_failure
;
2517 switch (rdev
->wiphy
.signal_type
) {
2518 case CFG80211_SIGNAL_TYPE_MBM
:
2519 if ((sinfo
->filled
& STATION_INFO_SIGNAL
) &&
2520 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL
,
2522 goto nla_put_failure
;
2523 if ((sinfo
->filled
& STATION_INFO_SIGNAL_AVG
) &&
2524 nla_put_u8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
2526 goto nla_put_failure
;
2531 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
2532 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
2533 NL80211_STA_INFO_TX_BITRATE
))
2534 goto nla_put_failure
;
2536 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
2537 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
2538 NL80211_STA_INFO_RX_BITRATE
))
2539 goto nla_put_failure
;
2541 if ((sinfo
->filled
& STATION_INFO_RX_PACKETS
) &&
2542 nla_put_u32(msg
, NL80211_STA_INFO_RX_PACKETS
,
2544 goto nla_put_failure
;
2545 if ((sinfo
->filled
& STATION_INFO_TX_PACKETS
) &&
2546 nla_put_u32(msg
, NL80211_STA_INFO_TX_PACKETS
,
2548 goto nla_put_failure
;
2549 if ((sinfo
->filled
& STATION_INFO_TX_RETRIES
) &&
2550 nla_put_u32(msg
, NL80211_STA_INFO_TX_RETRIES
,
2552 goto nla_put_failure
;
2553 if ((sinfo
->filled
& STATION_INFO_TX_FAILED
) &&
2554 nla_put_u32(msg
, NL80211_STA_INFO_TX_FAILED
,
2556 goto nla_put_failure
;
2557 if ((sinfo
->filled
& STATION_INFO_BEACON_LOSS_COUNT
) &&
2558 nla_put_u32(msg
, NL80211_STA_INFO_BEACON_LOSS
,
2559 sinfo
->beacon_loss_count
))
2560 goto nla_put_failure
;
2561 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
2562 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
2564 goto nla_put_failure
;
2566 if (((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
) &&
2567 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
)) ||
2568 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
) &&
2569 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
)) ||
2570 ((sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
) &&
2571 nla_put_flag(msg
, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
)) ||
2572 nla_put_u8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
2573 sinfo
->bss_param
.dtim_period
) ||
2574 nla_put_u16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
2575 sinfo
->bss_param
.beacon_interval
))
2576 goto nla_put_failure
;
2578 nla_nest_end(msg
, bss_param
);
2580 if ((sinfo
->filled
& STATION_INFO_STA_FLAGS
) &&
2581 nla_put(msg
, NL80211_STA_INFO_STA_FLAGS
,
2582 sizeof(struct nl80211_sta_flag_update
),
2584 goto nla_put_failure
;
2585 if ((sinfo
->filled
& STATION_INFO_T_OFFSET
) &&
2586 nla_put_u64(msg
, NL80211_STA_INFO_T_OFFSET
,
2588 goto nla_put_failure
;
2589 nla_nest_end(msg
, sinfoattr
);
2591 if ((sinfo
->filled
& STATION_INFO_ASSOC_REQ_IES
) &&
2592 nla_put(msg
, NL80211_ATTR_IE
, sinfo
->assoc_req_ies_len
,
2593 sinfo
->assoc_req_ies
))
2594 goto nla_put_failure
;
2596 return genlmsg_end(msg
, hdr
);
2599 genlmsg_cancel(msg
, hdr
);
2603 static int nl80211_dump_station(struct sk_buff
*skb
,
2604 struct netlink_callback
*cb
)
2606 struct station_info sinfo
;
2607 struct cfg80211_registered_device
*dev
;
2608 struct net_device
*netdev
;
2609 u8 mac_addr
[ETH_ALEN
];
2610 int sta_idx
= cb
->args
[1];
2613 err
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
2617 if (!dev
->ops
->dump_station
) {
2623 memset(&sinfo
, 0, sizeof(sinfo
));
2624 err
= dev
->ops
->dump_station(&dev
->wiphy
, netdev
, sta_idx
,
2631 if (nl80211_send_station(skb
,
2632 NETLINK_CB(cb
->skb
).pid
,
2633 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2634 dev
, netdev
, mac_addr
,
2643 cb
->args
[1] = sta_idx
;
2646 nl80211_finish_netdev_dump(dev
);
2651 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
2653 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2654 struct net_device
*dev
= info
->user_ptr
[1];
2655 struct station_info sinfo
;
2656 struct sk_buff
*msg
;
2657 u8
*mac_addr
= NULL
;
2660 memset(&sinfo
, 0, sizeof(sinfo
));
2662 if (!info
->attrs
[NL80211_ATTR_MAC
])
2665 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2667 if (!rdev
->ops
->get_station
)
2670 err
= rdev
->ops
->get_station(&rdev
->wiphy
, dev
, mac_addr
, &sinfo
);
2674 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2678 if (nl80211_send_station(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2679 rdev
, dev
, mac_addr
, &sinfo
) < 0) {
2684 return genlmsg_reply(msg
, info
);
2688 * Get vlan interface making sure it is running and on the right wiphy.
2690 static struct net_device
*get_vlan(struct genl_info
*info
,
2691 struct cfg80211_registered_device
*rdev
)
2693 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
2694 struct net_device
*v
;
2700 v
= dev_get_by_index(genl_info_net(info
), nla_get_u32(vlanattr
));
2702 return ERR_PTR(-ENODEV
);
2704 if (!v
->ieee80211_ptr
|| v
->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
) {
2709 if (!netif_running(v
)) {
2717 return ERR_PTR(ret
);
2720 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
2722 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2724 struct net_device
*dev
= info
->user_ptr
[1];
2725 struct station_parameters params
;
2726 u8
*mac_addr
= NULL
;
2728 memset(¶ms
, 0, sizeof(params
));
2730 params
.listen_interval
= -1;
2731 params
.plink_state
= -1;
2733 if (info
->attrs
[NL80211_ATTR_STA_AID
])
2736 if (!info
->attrs
[NL80211_ATTR_MAC
])
2739 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2741 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
2742 params
.supported_rates
=
2743 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2744 params
.supported_rates_len
=
2745 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2748 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
2749 params
.listen_interval
=
2750 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
2752 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
2754 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
2756 if (!rdev
->ops
->change_station
)
2759 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
2762 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
2763 params
.plink_action
=
2764 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
2766 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
])
2767 params
.plink_state
=
2768 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
2770 switch (dev
->ieee80211_ptr
->iftype
) {
2771 case NL80211_IFTYPE_AP
:
2772 case NL80211_IFTYPE_AP_VLAN
:
2773 case NL80211_IFTYPE_P2P_GO
:
2774 /* disallow mesh-specific things */
2775 if (params
.plink_action
)
2778 /* TDLS can't be set, ... */
2779 if (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
2782 * ... but don't bother the driver with it. This works around
2783 * a hostapd/wpa_supplicant issue -- it always includes the
2784 * TLDS_PEER flag in the mask even for AP mode.
2786 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
2788 /* accept only the listed bits */
2789 if (params
.sta_flags_mask
&
2790 ~(BIT(NL80211_STA_FLAG_AUTHORIZED
) |
2791 BIT(NL80211_STA_FLAG_SHORT_PREAMBLE
) |
2792 BIT(NL80211_STA_FLAG_WME
) |
2793 BIT(NL80211_STA_FLAG_MFP
)))
2796 /* must be last in here for error handling */
2797 params
.vlan
= get_vlan(info
, rdev
);
2798 if (IS_ERR(params
.vlan
))
2799 return PTR_ERR(params
.vlan
);
2801 case NL80211_IFTYPE_P2P_CLIENT
:
2802 case NL80211_IFTYPE_STATION
:
2804 * Don't allow userspace to change the TDLS_PEER flag,
2805 * but silently ignore attempts to change it since we
2806 * don't have state here to verify that it doesn't try
2807 * to change the flag.
2809 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
2811 case NL80211_IFTYPE_ADHOC
:
2812 /* disallow things sta doesn't support */
2813 if (params
.plink_action
)
2817 if (params
.listen_interval
>= 0)
2819 /* reject any changes other than AUTHORIZED */
2820 if (params
.sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
2823 case NL80211_IFTYPE_MESH_POINT
:
2824 /* disallow things mesh doesn't support */
2829 if (params
.listen_interval
>= 0)
2832 * No special handling for TDLS here -- the userspace
2833 * mesh code doesn't have this bug.
2835 if (params
.sta_flags_mask
&
2836 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
2837 BIT(NL80211_STA_FLAG_MFP
) |
2838 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
2845 /* be aware of params.vlan when changing code here */
2847 err
= rdev
->ops
->change_station(&rdev
->wiphy
, dev
, mac_addr
, ¶ms
);
2850 dev_put(params
.vlan
);
2855 static struct nla_policy
2856 nl80211_sta_wme_policy
[NL80211_STA_WME_MAX
+ 1] __read_mostly
= {
2857 [NL80211_STA_WME_UAPSD_QUEUES
] = { .type
= NLA_U8
},
2858 [NL80211_STA_WME_MAX_SP
] = { .type
= NLA_U8
},
2861 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
2863 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2865 struct net_device
*dev
= info
->user_ptr
[1];
2866 struct station_parameters params
;
2867 u8
*mac_addr
= NULL
;
2869 memset(¶ms
, 0, sizeof(params
));
2871 if (!info
->attrs
[NL80211_ATTR_MAC
])
2874 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
2877 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
2880 if (!info
->attrs
[NL80211_ATTR_STA_AID
])
2883 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2884 params
.supported_rates
=
2885 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2886 params
.supported_rates_len
=
2887 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2888 params
.listen_interval
=
2889 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
2891 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
2892 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
2895 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
2897 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
2899 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
2900 params
.plink_action
=
2901 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
2903 if (!rdev
->ops
->add_station
)
2906 if (parse_station_flags(info
, dev
->ieee80211_ptr
->iftype
, ¶ms
))
2909 switch (dev
->ieee80211_ptr
->iftype
) {
2910 case NL80211_IFTYPE_AP
:
2911 case NL80211_IFTYPE_AP_VLAN
:
2912 case NL80211_IFTYPE_P2P_GO
:
2913 /* parse WME attributes if sta is WME capable */
2914 if ((rdev
->wiphy
.flags
& WIPHY_FLAG_AP_UAPSD
) &&
2915 (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_WME
)) &&
2916 info
->attrs
[NL80211_ATTR_STA_WME
]) {
2917 struct nlattr
*tb
[NL80211_STA_WME_MAX
+ 1];
2920 nla
= info
->attrs
[NL80211_ATTR_STA_WME
];
2921 err
= nla_parse_nested(tb
, NL80211_STA_WME_MAX
, nla
,
2922 nl80211_sta_wme_policy
);
2926 if (tb
[NL80211_STA_WME_UAPSD_QUEUES
])
2927 params
.uapsd_queues
=
2928 nla_get_u8(tb
[NL80211_STA_WME_UAPSD_QUEUES
]);
2929 if (params
.uapsd_queues
&
2930 ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK
)
2933 if (tb
[NL80211_STA_WME_MAX_SP
])
2935 nla_get_u8(tb
[NL80211_STA_WME_MAX_SP
]);
2938 ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK
)
2941 params
.sta_modify_mask
|= STATION_PARAM_APPLY_UAPSD
;
2943 /* TDLS peers cannot be added */
2944 if (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
2946 /* but don't bother the driver with it */
2947 params
.sta_flags_mask
&= ~BIT(NL80211_STA_FLAG_TDLS_PEER
);
2949 /* must be last in here for error handling */
2950 params
.vlan
= get_vlan(info
, rdev
);
2951 if (IS_ERR(params
.vlan
))
2952 return PTR_ERR(params
.vlan
);
2954 case NL80211_IFTYPE_MESH_POINT
:
2955 /* TDLS peers cannot be added */
2956 if (params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
))
2959 case NL80211_IFTYPE_STATION
:
2960 /* Only TDLS peers can be added */
2961 if (!(params
.sta_flags_set
& BIT(NL80211_STA_FLAG_TDLS_PEER
)))
2963 /* Can only add if TDLS ... */
2964 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
))
2966 /* ... with external setup is supported */
2967 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_TDLS_EXTERNAL_SETUP
))
2974 /* be aware of params.vlan when changing code here */
2976 err
= rdev
->ops
->add_station(&rdev
->wiphy
, dev
, mac_addr
, ¶ms
);
2979 dev_put(params
.vlan
);
2983 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
2985 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2986 struct net_device
*dev
= info
->user_ptr
[1];
2987 u8
*mac_addr
= NULL
;
2989 if (info
->attrs
[NL80211_ATTR_MAC
])
2990 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2992 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2993 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
2994 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
2995 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2998 if (!rdev
->ops
->del_station
)
3001 return rdev
->ops
->del_station(&rdev
->wiphy
, dev
, mac_addr
);
3004 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 pid
, u32 seq
,
3005 int flags
, struct net_device
*dev
,
3006 u8
*dst
, u8
*next_hop
,
3007 struct mpath_info
*pinfo
)
3010 struct nlattr
*pinfoattr
;
3012 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
3016 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3017 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
) ||
3018 nla_put(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
) ||
3019 nla_put_u32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
))
3020 goto nla_put_failure
;
3022 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
3024 goto nla_put_failure
;
3025 if ((pinfo
->filled
& MPATH_INFO_FRAME_QLEN
) &&
3026 nla_put_u32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
3028 goto nla_put_failure
;
3029 if (((pinfo
->filled
& MPATH_INFO_SN
) &&
3030 nla_put_u32(msg
, NL80211_MPATH_INFO_SN
, pinfo
->sn
)) ||
3031 ((pinfo
->filled
& MPATH_INFO_METRIC
) &&
3032 nla_put_u32(msg
, NL80211_MPATH_INFO_METRIC
,
3034 ((pinfo
->filled
& MPATH_INFO_EXPTIME
) &&
3035 nla_put_u32(msg
, NL80211_MPATH_INFO_EXPTIME
,
3037 ((pinfo
->filled
& MPATH_INFO_FLAGS
) &&
3038 nla_put_u8(msg
, NL80211_MPATH_INFO_FLAGS
,
3040 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
) &&
3041 nla_put_u32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
3042 pinfo
->discovery_timeout
)) ||
3043 ((pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
) &&
3044 nla_put_u8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
3045 pinfo
->discovery_retries
)))
3046 goto nla_put_failure
;
3048 nla_nest_end(msg
, pinfoattr
);
3050 return genlmsg_end(msg
, hdr
);
3053 genlmsg_cancel(msg
, hdr
);
3057 static int nl80211_dump_mpath(struct sk_buff
*skb
,
3058 struct netlink_callback
*cb
)
3060 struct mpath_info pinfo
;
3061 struct cfg80211_registered_device
*dev
;
3062 struct net_device
*netdev
;
3064 u8 next_hop
[ETH_ALEN
];
3065 int path_idx
= cb
->args
[1];
3068 err
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
3072 if (!dev
->ops
->dump_mpath
) {
3077 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
3083 err
= dev
->ops
->dump_mpath(&dev
->wiphy
, netdev
, path_idx
,
3084 dst
, next_hop
, &pinfo
);
3090 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).pid
,
3091 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3092 netdev
, dst
, next_hop
,
3101 cb
->args
[1] = path_idx
;
3104 nl80211_finish_netdev_dump(dev
);
3108 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3110 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3112 struct net_device
*dev
= info
->user_ptr
[1];
3113 struct mpath_info pinfo
;
3114 struct sk_buff
*msg
;
3116 u8 next_hop
[ETH_ALEN
];
3118 memset(&pinfo
, 0, sizeof(pinfo
));
3120 if (!info
->attrs
[NL80211_ATTR_MAC
])
3123 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3125 if (!rdev
->ops
->get_mpath
)
3128 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3131 err
= rdev
->ops
->get_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
, &pinfo
);
3135 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3139 if (nl80211_send_mpath(msg
, info
->snd_pid
, info
->snd_seq
, 0,
3140 dev
, dst
, next_hop
, &pinfo
) < 0) {
3145 return genlmsg_reply(msg
, info
);
3148 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3150 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3151 struct net_device
*dev
= info
->user_ptr
[1];
3153 u8
*next_hop
= NULL
;
3155 if (!info
->attrs
[NL80211_ATTR_MAC
])
3158 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
3161 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3162 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
3164 if (!rdev
->ops
->change_mpath
)
3167 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3170 return rdev
->ops
->change_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
);
3173 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3175 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3176 struct net_device
*dev
= info
->user_ptr
[1];
3178 u8
*next_hop
= NULL
;
3180 if (!info
->attrs
[NL80211_ATTR_MAC
])
3183 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
3186 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3187 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
3189 if (!rdev
->ops
->add_mpath
)
3192 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3195 return rdev
->ops
->add_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
);
3198 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
3200 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3201 struct net_device
*dev
= info
->user_ptr
[1];
3204 if (info
->attrs
[NL80211_ATTR_MAC
])
3205 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3207 if (!rdev
->ops
->del_mpath
)
3210 return rdev
->ops
->del_mpath(&rdev
->wiphy
, dev
, dst
);
3213 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
3215 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3216 struct net_device
*dev
= info
->user_ptr
[1];
3217 struct bss_parameters params
;
3219 memset(¶ms
, 0, sizeof(params
));
3220 /* default to not changing parameters */
3221 params
.use_cts_prot
= -1;
3222 params
.use_short_preamble
= -1;
3223 params
.use_short_slot_time
= -1;
3224 params
.ap_isolate
= -1;
3225 params
.ht_opmode
= -1;
3227 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
3228 params
.use_cts_prot
=
3229 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
3230 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
3231 params
.use_short_preamble
=
3232 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
3233 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
3234 params
.use_short_slot_time
=
3235 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
3236 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
3237 params
.basic_rates
=
3238 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
3239 params
.basic_rates_len
=
3240 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
3242 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
3243 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
3244 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
3246 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
3248 if (!rdev
->ops
->change_bss
)
3251 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
3252 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
3255 return rdev
->ops
->change_bss(&rdev
->wiphy
, dev
, ¶ms
);
3258 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
3259 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
3260 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
3261 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
3262 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
3263 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
3264 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
3267 static int parse_reg_rule(struct nlattr
*tb
[],
3268 struct ieee80211_reg_rule
*reg_rule
)
3270 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
3271 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
3273 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
3275 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
3277 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
3279 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
3281 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
3284 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
3286 freq_range
->start_freq_khz
=
3287 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
3288 freq_range
->end_freq_khz
=
3289 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
3290 freq_range
->max_bandwidth_khz
=
3291 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
3293 power_rule
->max_eirp
=
3294 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
3296 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
3297 power_rule
->max_antenna_gain
=
3298 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
3303 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
3309 * You should only get this when cfg80211 hasn't yet initialized
3310 * completely when built-in to the kernel right between the time
3311 * window between nl80211_init() and regulatory_init(), if that is
3314 mutex_lock(&cfg80211_mutex
);
3315 if (unlikely(!cfg80211_regdomain
)) {
3316 mutex_unlock(&cfg80211_mutex
);
3317 return -EINPROGRESS
;
3319 mutex_unlock(&cfg80211_mutex
);
3321 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
3324 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
3326 r
= regulatory_hint_user(data
);
3331 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
3332 struct genl_info
*info
)
3334 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3335 struct net_device
*dev
= info
->user_ptr
[1];
3336 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3337 struct mesh_config cur_params
;
3340 struct nlattr
*pinfoattr
;
3341 struct sk_buff
*msg
;
3343 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3346 if (!rdev
->ops
->get_mesh_config
)
3350 /* If not connected, get default parameters */
3351 if (!wdev
->mesh_id_len
)
3352 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
3354 err
= rdev
->ops
->get_mesh_config(&rdev
->wiphy
, dev
,
3361 /* Draw up a netlink message to send back */
3362 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3365 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
3366 NL80211_CMD_GET_MESH_CONFIG
);
3369 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
3371 goto nla_put_failure
;
3372 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
3373 nla_put_u16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
3374 cur_params
.dot11MeshRetryTimeout
) ||
3375 nla_put_u16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
3376 cur_params
.dot11MeshConfirmTimeout
) ||
3377 nla_put_u16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
3378 cur_params
.dot11MeshHoldingTimeout
) ||
3379 nla_put_u16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
3380 cur_params
.dot11MeshMaxPeerLinks
) ||
3381 nla_put_u8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
3382 cur_params
.dot11MeshMaxRetries
) ||
3383 nla_put_u8(msg
, NL80211_MESHCONF_TTL
,
3384 cur_params
.dot11MeshTTL
) ||
3385 nla_put_u8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
3386 cur_params
.element_ttl
) ||
3387 nla_put_u8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
3388 cur_params
.auto_open_plinks
) ||
3389 nla_put_u32(msg
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
3390 cur_params
.dot11MeshNbrOffsetMaxNeighbor
) ||
3391 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
3392 cur_params
.dot11MeshHWMPmaxPREQretries
) ||
3393 nla_put_u32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
3394 cur_params
.path_refresh_time
) ||
3395 nla_put_u16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
3396 cur_params
.min_discovery_timeout
) ||
3397 nla_put_u32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
3398 cur_params
.dot11MeshHWMPactivePathTimeout
) ||
3399 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
3400 cur_params
.dot11MeshHWMPpreqMinInterval
) ||
3401 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
3402 cur_params
.dot11MeshHWMPperrMinInterval
) ||
3403 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
3404 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
) ||
3405 nla_put_u8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
3406 cur_params
.dot11MeshHWMPRootMode
) ||
3407 nla_put_u16(msg
, NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
3408 cur_params
.dot11MeshHWMPRannInterval
) ||
3409 nla_put_u8(msg
, NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
3410 cur_params
.dot11MeshGateAnnouncementProtocol
) ||
3411 nla_put_u8(msg
, NL80211_MESHCONF_FORWARDING
,
3412 cur_params
.dot11MeshForwarding
) ||
3413 nla_put_u32(msg
, NL80211_MESHCONF_RSSI_THRESHOLD
,
3414 cur_params
.rssi_threshold
) ||
3415 nla_put_u32(msg
, NL80211_MESHCONF_HT_OPMODE
,
3416 cur_params
.ht_opmode
))
3417 goto nla_put_failure
;
3418 nla_nest_end(msg
, pinfoattr
);
3419 genlmsg_end(msg
, hdr
);
3420 return genlmsg_reply(msg
, info
);
3423 genlmsg_cancel(msg
, hdr
);
3429 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
3430 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
3431 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
3432 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
3433 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
3434 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
3435 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
3436 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
3437 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
3438 [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
] = { .type
= NLA_U32
},
3440 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
3441 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
3442 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
3443 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
3444 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
3445 [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
] = { .type
= NLA_U16
},
3446 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
3447 [NL80211_MESHCONF_HWMP_ROOTMODE
] = { .type
= NLA_U8
},
3448 [NL80211_MESHCONF_HWMP_RANN_INTERVAL
] = { .type
= NLA_U16
},
3449 [NL80211_MESHCONF_GATE_ANNOUNCEMENTS
] = { .type
= NLA_U8
},
3450 [NL80211_MESHCONF_FORWARDING
] = { .type
= NLA_U8
},
3451 [NL80211_MESHCONF_RSSI_THRESHOLD
] = { .type
= NLA_U32
},
3452 [NL80211_MESHCONF_HT_OPMODE
] = { .type
= NLA_U16
},
3455 static const struct nla_policy
3456 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
3457 [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
] = { .type
= NLA_U8
},
3458 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
3459 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
3460 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
3461 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
3462 .len
= IEEE80211_MAX_DATA_LEN
},
3463 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
3466 static int nl80211_parse_mesh_config(struct genl_info
*info
,
3467 struct mesh_config
*cfg
,
3470 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
3473 #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
3475 if (table[attr_num]) {\
3476 cfg->param = nla_fn(table[attr_num]); \
3477 mask |= (1 << (attr_num - 1)); \
3482 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
3484 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
3485 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
3486 nl80211_meshconf_params_policy
))
3489 /* This makes sure that there aren't more than 32 mesh config
3490 * parameters (otherwise our bitfield scheme would not work.) */
3491 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
3493 /* Fill in the params struct */
3494 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
,
3495 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
, nla_get_u16
);
3496 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
,
3497 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
, nla_get_u16
);
3498 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
,
3499 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
, nla_get_u16
);
3500 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
,
3501 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
, nla_get_u16
);
3502 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
,
3503 mask
, NL80211_MESHCONF_MAX_RETRIES
, nla_get_u8
);
3504 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
,
3505 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
3506 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
,
3507 mask
, NL80211_MESHCONF_ELEMENT_TTL
, nla_get_u8
);
3508 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
,
3509 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
, nla_get_u8
);
3510 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshNbrOffsetMaxNeighbor
,
3511 mask
, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR
,
3513 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
,
3514 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
3516 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
,
3517 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
, nla_get_u32
);
3518 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
,
3519 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
3521 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
3522 mask
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
3524 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
3525 mask
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
3527 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPperrMinInterval
,
3528 mask
, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL
,
3530 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
3531 dot11MeshHWMPnetDiameterTraversalTime
,
3532 mask
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
3534 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
3535 dot11MeshHWMPRootMode
, mask
,
3536 NL80211_MESHCONF_HWMP_ROOTMODE
,
3538 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
3539 dot11MeshHWMPRannInterval
, mask
,
3540 NL80211_MESHCONF_HWMP_RANN_INTERVAL
,
3542 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
3543 dot11MeshGateAnnouncementProtocol
, mask
,
3544 NL80211_MESHCONF_GATE_ANNOUNCEMENTS
,
3546 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshForwarding
,
3547 mask
, NL80211_MESHCONF_FORWARDING
, nla_get_u8
);
3548 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, rssi_threshold
,
3549 mask
, NL80211_MESHCONF_RSSI_THRESHOLD
, nla_get_u32
);
3550 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, ht_opmode
,
3551 mask
, NL80211_MESHCONF_HT_OPMODE
, nla_get_u16
);
3557 #undef FILL_IN_MESH_PARAM_IF_SET
3560 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
3561 struct mesh_setup
*setup
)
3563 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
3565 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
3567 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
3568 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
3569 nl80211_mesh_setup_params_policy
))
3572 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])
3573 setup
->sync_method
=
3574 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC
])) ?
3575 IEEE80211_SYNC_METHOD_VENDOR
:
3576 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET
;
3578 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
3579 setup
->path_sel_proto
=
3580 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
3581 IEEE80211_PATH_PROTOCOL_VENDOR
:
3582 IEEE80211_PATH_PROTOCOL_HWMP
;
3584 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
3585 setup
->path_metric
=
3586 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
3587 IEEE80211_PATH_METRIC_VENDOR
:
3588 IEEE80211_PATH_METRIC_AIRTIME
;
3591 if (tb
[NL80211_MESH_SETUP_IE
]) {
3592 struct nlattr
*ieattr
=
3593 tb
[NL80211_MESH_SETUP_IE
];
3594 if (!is_valid_ie_attr(ieattr
))
3596 setup
->ie
= nla_data(ieattr
);
3597 setup
->ie_len
= nla_len(ieattr
);
3599 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
3600 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
3605 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
3606 struct genl_info
*info
)
3608 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3609 struct net_device
*dev
= info
->user_ptr
[1];
3610 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3611 struct mesh_config cfg
;
3615 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3618 if (!rdev
->ops
->update_mesh_config
)
3621 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
3626 if (!wdev
->mesh_id_len
)
3630 err
= rdev
->ops
->update_mesh_config(&rdev
->wiphy
, dev
,
3638 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
3640 struct sk_buff
*msg
;
3642 struct nlattr
*nl_reg_rules
;
3646 mutex_lock(&cfg80211_mutex
);
3648 if (!cfg80211_regdomain
)
3651 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3657 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
3658 NL80211_CMD_GET_REG
);
3662 if (nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
3663 cfg80211_regdomain
->alpha2
) ||
3664 (cfg80211_regdomain
->dfs_region
&&
3665 nla_put_u8(msg
, NL80211_ATTR_DFS_REGION
,
3666 cfg80211_regdomain
->dfs_region
)))
3667 goto nla_put_failure
;
3669 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
3671 goto nla_put_failure
;
3673 for (i
= 0; i
< cfg80211_regdomain
->n_reg_rules
; i
++) {
3674 struct nlattr
*nl_reg_rule
;
3675 const struct ieee80211_reg_rule
*reg_rule
;
3676 const struct ieee80211_freq_range
*freq_range
;
3677 const struct ieee80211_power_rule
*power_rule
;
3679 reg_rule
= &cfg80211_regdomain
->reg_rules
[i
];
3680 freq_range
= ®_rule
->freq_range
;
3681 power_rule
= ®_rule
->power_rule
;
3683 nl_reg_rule
= nla_nest_start(msg
, i
);
3685 goto nla_put_failure
;
3687 if (nla_put_u32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
3689 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
3690 freq_range
->start_freq_khz
) ||
3691 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
3692 freq_range
->end_freq_khz
) ||
3693 nla_put_u32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
3694 freq_range
->max_bandwidth_khz
) ||
3695 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
3696 power_rule
->max_antenna_gain
) ||
3697 nla_put_u32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
3698 power_rule
->max_eirp
))
3699 goto nla_put_failure
;
3701 nla_nest_end(msg
, nl_reg_rule
);
3704 nla_nest_end(msg
, nl_reg_rules
);
3706 genlmsg_end(msg
, hdr
);
3707 err
= genlmsg_reply(msg
, info
);
3711 genlmsg_cancel(msg
, hdr
);
3716 mutex_unlock(&cfg80211_mutex
);
3720 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
3722 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
3723 struct nlattr
*nl_reg_rule
;
3724 char *alpha2
= NULL
;
3725 int rem_reg_rules
= 0, r
= 0;
3726 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
3728 struct ieee80211_regdomain
*rd
= NULL
;
3730 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
3733 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
3736 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
3738 if (info
->attrs
[NL80211_ATTR_DFS_REGION
])
3739 dfs_region
= nla_get_u8(info
->attrs
[NL80211_ATTR_DFS_REGION
]);
3741 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
3744 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
3748 mutex_lock(&cfg80211_mutex
);
3750 if (!reg_is_valid_request(alpha2
)) {
3755 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
3756 (num_rules
* sizeof(struct ieee80211_reg_rule
));
3758 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
3764 rd
->n_reg_rules
= num_rules
;
3765 rd
->alpha2
[0] = alpha2
[0];
3766 rd
->alpha2
[1] = alpha2
[1];
3769 * Disable DFS master mode if the DFS region was
3770 * not supported or known on this kernel.
3772 if (reg_supported_dfs_region(dfs_region
))
3773 rd
->dfs_region
= dfs_region
;
3775 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
3777 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
3778 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
3780 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
3786 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
3792 BUG_ON(rule_idx
!= num_rules
);
3796 mutex_unlock(&cfg80211_mutex
);
3801 mutex_unlock(&cfg80211_mutex
);
3806 static int validate_scan_freqs(struct nlattr
*freqs
)
3808 struct nlattr
*attr1
, *attr2
;
3809 int n_channels
= 0, tmp1
, tmp2
;
3811 nla_for_each_nested(attr1
, freqs
, tmp1
) {
3814 * Some hardware has a limited channel list for
3815 * scanning, and it is pretty much nonsensical
3816 * to scan for a channel twice, so disallow that
3817 * and don't require drivers to check that the
3818 * channel list they get isn't longer than what
3819 * they can scan, as long as they can scan all
3820 * the channels they registered at once.
3822 nla_for_each_nested(attr2
, freqs
, tmp2
)
3823 if (attr1
!= attr2
&&
3824 nla_get_u32(attr1
) == nla_get_u32(attr2
))
3831 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
3833 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3834 struct net_device
*dev
= info
->user_ptr
[1];
3835 struct cfg80211_scan_request
*request
;
3836 struct nlattr
*attr
;
3837 struct wiphy
*wiphy
;
3838 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
3841 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3844 wiphy
= &rdev
->wiphy
;
3846 if (!rdev
->ops
->scan
)
3852 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
3853 n_channels
= validate_scan_freqs(
3854 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
3858 enum ieee80211_band band
;
3861 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
3862 if (wiphy
->bands
[band
])
3863 n_channels
+= wiphy
->bands
[band
]->n_channels
;
3866 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
3867 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
3870 if (n_ssids
> wiphy
->max_scan_ssids
)
3873 if (info
->attrs
[NL80211_ATTR_IE
])
3874 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3878 if (ie_len
> wiphy
->max_scan_ie_len
)
3881 request
= kzalloc(sizeof(*request
)
3882 + sizeof(*request
->ssids
) * n_ssids
3883 + sizeof(*request
->channels
) * n_channels
3884 + ie_len
, GFP_KERNEL
);
3889 request
->ssids
= (void *)&request
->channels
[n_channels
];
3890 request
->n_ssids
= n_ssids
;
3893 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
3895 request
->ie
= (void *)(request
->channels
+ n_channels
);
3899 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
3900 /* user specified, bail out if channel not found */
3901 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
3902 struct ieee80211_channel
*chan
;
3904 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
3911 /* ignore disabled channels */
3912 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
3915 request
->channels
[i
] = chan
;
3919 enum ieee80211_band band
;
3922 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
3924 if (!wiphy
->bands
[band
])
3926 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
3927 struct ieee80211_channel
*chan
;
3929 chan
= &wiphy
->bands
[band
]->channels
[j
];
3931 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
3934 request
->channels
[i
] = chan
;
3945 request
->n_channels
= i
;
3948 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
3949 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
3950 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
3954 request
->ssids
[i
].ssid_len
= nla_len(attr
);
3955 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
3960 if (info
->attrs
[NL80211_ATTR_IE
]) {
3961 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3962 memcpy((void *)request
->ie
,
3963 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
3967 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++)
3968 if (wiphy
->bands
[i
])
3970 (1 << wiphy
->bands
[i
]->n_bitrates
) - 1;
3972 if (info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
]) {
3973 nla_for_each_nested(attr
,
3974 info
->attrs
[NL80211_ATTR_SCAN_SUPP_RATES
],
3976 enum ieee80211_band band
= nla_type(attr
);
3978 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
) {
3982 err
= ieee80211_get_ratemask(wiphy
->bands
[band
],
3985 &request
->rates
[band
]);
3992 nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
3995 request
->wiphy
= &rdev
->wiphy
;
3997 rdev
->scan_req
= request
;
3998 err
= rdev
->ops
->scan(&rdev
->wiphy
, dev
, request
);
4001 nl80211_send_scan_start(rdev
, dev
);
4005 rdev
->scan_req
= NULL
;
4012 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
4013 struct genl_info
*info
)
4015 struct cfg80211_sched_scan_request
*request
;
4016 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4017 struct net_device
*dev
= info
->user_ptr
[1];
4018 struct nlattr
*attr
;
4019 struct wiphy
*wiphy
;
4020 int err
, tmp
, n_ssids
= 0, n_match_sets
= 0, n_channels
, i
;
4022 enum ieee80211_band band
;
4024 struct nlattr
*tb
[NL80211_SCHED_SCAN_MATCH_ATTR_MAX
+ 1];
4026 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
4027 !rdev
->ops
->sched_scan_start
)
4030 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4033 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
4036 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
4040 wiphy
= &rdev
->wiphy
;
4042 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4043 n_channels
= validate_scan_freqs(
4044 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
4050 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
4051 if (wiphy
->bands
[band
])
4052 n_channels
+= wiphy
->bands
[band
]->n_channels
;
4055 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
4056 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
4060 if (n_ssids
> wiphy
->max_sched_scan_ssids
)
4063 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
])
4064 nla_for_each_nested(attr
,
4065 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
4069 if (n_match_sets
> wiphy
->max_match_sets
)
4072 if (info
->attrs
[NL80211_ATTR_IE
])
4073 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4077 if (ie_len
> wiphy
->max_sched_scan_ie_len
)
4080 mutex_lock(&rdev
->sched_scan_mtx
);
4082 if (rdev
->sched_scan_req
) {
4087 request
= kzalloc(sizeof(*request
)
4088 + sizeof(*request
->ssids
) * n_ssids
4089 + sizeof(*request
->match_sets
) * n_match_sets
4090 + sizeof(*request
->channels
) * n_channels
4091 + ie_len
, GFP_KERNEL
);
4098 request
->ssids
= (void *)&request
->channels
[n_channels
];
4099 request
->n_ssids
= n_ssids
;
4102 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
4104 request
->ie
= (void *)(request
->channels
+ n_channels
);
4109 request
->match_sets
= (void *)(request
->ie
+ ie_len
);
4110 else if (request
->ssids
)
4111 request
->match_sets
=
4112 (void *)(request
->ssids
+ n_ssids
);
4114 request
->match_sets
=
4115 (void *)(request
->channels
+ n_channels
);
4117 request
->n_match_sets
= n_match_sets
;
4120 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
4121 /* user specified, bail out if channel not found */
4122 nla_for_each_nested(attr
,
4123 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
4125 struct ieee80211_channel
*chan
;
4127 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
4134 /* ignore disabled channels */
4135 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
4138 request
->channels
[i
] = chan
;
4143 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
4145 if (!wiphy
->bands
[band
])
4147 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
4148 struct ieee80211_channel
*chan
;
4150 chan
= &wiphy
->bands
[band
]->channels
[j
];
4152 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
4155 request
->channels
[i
] = chan
;
4166 request
->n_channels
= i
;
4169 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
4170 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
4172 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
4176 request
->ssids
[i
].ssid_len
= nla_len(attr
);
4177 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
4184 if (info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
]) {
4185 nla_for_each_nested(attr
,
4186 info
->attrs
[NL80211_ATTR_SCHED_SCAN_MATCH
],
4188 struct nlattr
*ssid
;
4190 nla_parse(tb
, NL80211_SCHED_SCAN_MATCH_ATTR_MAX
,
4191 nla_data(attr
), nla_len(attr
),
4192 nl80211_match_policy
);
4193 ssid
= tb
[NL80211_ATTR_SCHED_SCAN_MATCH_SSID
];
4195 if (nla_len(ssid
) > IEEE80211_MAX_SSID_LEN
) {
4199 memcpy(request
->match_sets
[i
].ssid
.ssid
,
4200 nla_data(ssid
), nla_len(ssid
));
4201 request
->match_sets
[i
].ssid
.ssid_len
=
4208 if (info
->attrs
[NL80211_ATTR_IE
]) {
4209 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4210 memcpy((void *)request
->ie
,
4211 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
4216 request
->wiphy
= &rdev
->wiphy
;
4217 request
->interval
= interval
;
4219 err
= rdev
->ops
->sched_scan_start(&rdev
->wiphy
, dev
, request
);
4221 rdev
->sched_scan_req
= request
;
4222 nl80211_send_sched_scan(rdev
, dev
,
4223 NL80211_CMD_START_SCHED_SCAN
);
4230 mutex_unlock(&rdev
->sched_scan_mtx
);
4234 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
4235 struct genl_info
*info
)
4237 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4240 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
4241 !rdev
->ops
->sched_scan_stop
)
4244 mutex_lock(&rdev
->sched_scan_mtx
);
4245 err
= __cfg80211_stop_sched_scan(rdev
, false);
4246 mutex_unlock(&rdev
->sched_scan_mtx
);
4251 static int nl80211_send_bss(struct sk_buff
*msg
, struct netlink_callback
*cb
,
4253 struct cfg80211_registered_device
*rdev
,
4254 struct wireless_dev
*wdev
,
4255 struct cfg80211_internal_bss
*intbss
)
4257 struct cfg80211_bss
*res
= &intbss
->pub
;
4261 ASSERT_WDEV_LOCK(wdev
);
4263 hdr
= nl80211hdr_put(msg
, NETLINK_CB(cb
->skb
).pid
, seq
, flags
,
4264 NL80211_CMD_NEW_SCAN_RESULTS
);
4268 genl_dump_check_consistent(cb
, hdr
, &nl80211_fam
);
4270 if (nla_put_u32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
) ||
4271 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
))
4272 goto nla_put_failure
;
4274 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
4276 goto nla_put_failure
;
4277 if ((!is_zero_ether_addr(res
->bssid
) &&
4278 nla_put(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
)) ||
4279 (res
->information_elements
&& res
->len_information_elements
&&
4280 nla_put(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
4281 res
->len_information_elements
,
4282 res
->information_elements
)) ||
4283 (res
->beacon_ies
&& res
->len_beacon_ies
&&
4284 res
->beacon_ies
!= res
->information_elements
&&
4285 nla_put(msg
, NL80211_BSS_BEACON_IES
,
4286 res
->len_beacon_ies
, res
->beacon_ies
)))
4287 goto nla_put_failure
;
4289 nla_put_u64(msg
, NL80211_BSS_TSF
, res
->tsf
))
4290 goto nla_put_failure
;
4291 if (res
->beacon_interval
&&
4292 nla_put_u16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
))
4293 goto nla_put_failure
;
4294 if (nla_put_u16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
) ||
4295 nla_put_u32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
) ||
4296 nla_put_u32(msg
, NL80211_BSS_SEEN_MS_AGO
,
4297 jiffies_to_msecs(jiffies
- intbss
->ts
)))
4298 goto nla_put_failure
;
4300 switch (rdev
->wiphy
.signal_type
) {
4301 case CFG80211_SIGNAL_TYPE_MBM
:
4302 if (nla_put_u32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
))
4303 goto nla_put_failure
;
4305 case CFG80211_SIGNAL_TYPE_UNSPEC
:
4306 if (nla_put_u8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
))
4307 goto nla_put_failure
;
4313 switch (wdev
->iftype
) {
4314 case NL80211_IFTYPE_P2P_CLIENT
:
4315 case NL80211_IFTYPE_STATION
:
4316 if (intbss
== wdev
->current_bss
&&
4317 nla_put_u32(msg
, NL80211_BSS_STATUS
,
4318 NL80211_BSS_STATUS_ASSOCIATED
))
4319 goto nla_put_failure
;
4321 case NL80211_IFTYPE_ADHOC
:
4322 if (intbss
== wdev
->current_bss
&&
4323 nla_put_u32(msg
, NL80211_BSS_STATUS
,
4324 NL80211_BSS_STATUS_IBSS_JOINED
))
4325 goto nla_put_failure
;
4331 nla_nest_end(msg
, bss
);
4333 return genlmsg_end(msg
, hdr
);
4336 genlmsg_cancel(msg
, hdr
);
4340 static int nl80211_dump_scan(struct sk_buff
*skb
,
4341 struct netlink_callback
*cb
)
4343 struct cfg80211_registered_device
*rdev
;
4344 struct net_device
*dev
;
4345 struct cfg80211_internal_bss
*scan
;
4346 struct wireless_dev
*wdev
;
4347 int start
= cb
->args
[1], idx
= 0;
4350 err
= nl80211_prepare_netdev_dump(skb
, cb
, &rdev
, &dev
);
4354 wdev
= dev
->ieee80211_ptr
;
4357 spin_lock_bh(&rdev
->bss_lock
);
4358 cfg80211_bss_expire(rdev
);
4360 cb
->seq
= rdev
->bss_generation
;
4362 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
4365 if (nl80211_send_bss(skb
, cb
,
4366 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4367 rdev
, wdev
, scan
) < 0) {
4373 spin_unlock_bh(&rdev
->bss_lock
);
4377 nl80211_finish_netdev_dump(rdev
);
4382 static int nl80211_send_survey(struct sk_buff
*msg
, u32 pid
, u32 seq
,
4383 int flags
, struct net_device
*dev
,
4384 struct survey_info
*survey
)
4387 struct nlattr
*infoattr
;
4389 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
,
4390 NL80211_CMD_NEW_SURVEY_RESULTS
);
4394 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
))
4395 goto nla_put_failure
;
4397 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
4399 goto nla_put_failure
;
4401 if (nla_put_u32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
4402 survey
->channel
->center_freq
))
4403 goto nla_put_failure
;
4405 if ((survey
->filled
& SURVEY_INFO_NOISE_DBM
) &&
4406 nla_put_u8(msg
, NL80211_SURVEY_INFO_NOISE
, survey
->noise
))
4407 goto nla_put_failure
;
4408 if ((survey
->filled
& SURVEY_INFO_IN_USE
) &&
4409 nla_put_flag(msg
, NL80211_SURVEY_INFO_IN_USE
))
4410 goto nla_put_failure
;
4411 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME
) &&
4412 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
4413 survey
->channel_time
))
4414 goto nla_put_failure
;
4415 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
) &&
4416 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
4417 survey
->channel_time_busy
))
4418 goto nla_put_failure
;
4419 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
) &&
4420 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
4421 survey
->channel_time_ext_busy
))
4422 goto nla_put_failure
;
4423 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
) &&
4424 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
4425 survey
->channel_time_rx
))
4426 goto nla_put_failure
;
4427 if ((survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
) &&
4428 nla_put_u64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
4429 survey
->channel_time_tx
))
4430 goto nla_put_failure
;
4432 nla_nest_end(msg
, infoattr
);
4434 return genlmsg_end(msg
, hdr
);
4437 genlmsg_cancel(msg
, hdr
);
4441 static int nl80211_dump_survey(struct sk_buff
*skb
,
4442 struct netlink_callback
*cb
)
4444 struct survey_info survey
;
4445 struct cfg80211_registered_device
*dev
;
4446 struct net_device
*netdev
;
4447 int survey_idx
= cb
->args
[1];
4450 res
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
4454 if (!dev
->ops
->dump_survey
) {
4460 struct ieee80211_channel
*chan
;
4462 res
= dev
->ops
->dump_survey(&dev
->wiphy
, netdev
, survey_idx
,
4469 /* Survey without a channel doesn't make sense */
4470 if (!survey
.channel
) {
4475 chan
= ieee80211_get_channel(&dev
->wiphy
,
4476 survey
.channel
->center_freq
);
4477 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
) {
4482 if (nl80211_send_survey(skb
,
4483 NETLINK_CB(cb
->skb
).pid
,
4484 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
4492 cb
->args
[1] = survey_idx
;
4495 nl80211_finish_netdev_dump(dev
);
4499 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type
)
4501 return auth_type
<= NL80211_AUTHTYPE_MAX
;
4504 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
4506 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
4507 NL80211_WPA_VERSION_2
));
4510 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
4512 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4513 struct net_device
*dev
= info
->user_ptr
[1];
4514 struct ieee80211_channel
*chan
;
4515 const u8
*bssid
, *ssid
, *ie
= NULL
;
4516 int err
, ssid_len
, ie_len
= 0;
4517 enum nl80211_auth_type auth_type
;
4518 struct key_parse key
;
4519 bool local_state_change
;
4521 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4524 if (!info
->attrs
[NL80211_ATTR_MAC
])
4527 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
4530 if (!info
->attrs
[NL80211_ATTR_SSID
])
4533 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
4536 err
= nl80211_parse_key(info
, &key
);
4541 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
4543 if (!key
.p
.key
|| !key
.p
.key_len
)
4545 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
4546 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
4547 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
4548 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
4560 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
4561 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
4570 if (!rdev
->ops
->auth
)
4573 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4574 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4577 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4578 chan
= ieee80211_get_channel(&rdev
->wiphy
,
4579 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
4580 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
4583 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
4584 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
4586 if (info
->attrs
[NL80211_ATTR_IE
]) {
4587 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
4588 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4591 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
4592 if (!nl80211_valid_auth_type(auth_type
))
4595 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
4598 * Since we no longer track auth state, ignore
4599 * requests to only change local state.
4601 if (local_state_change
)
4604 return cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
4605 ssid
, ssid_len
, ie
, ie_len
,
4606 key
.p
.key
, key
.p
.key_len
, key
.idx
);
4609 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
4610 struct genl_info
*info
,
4611 struct cfg80211_crypto_settings
*settings
,
4614 memset(settings
, 0, sizeof(*settings
));
4616 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
4618 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
4620 proto
= nla_get_u16(
4621 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
4622 settings
->control_port_ethertype
= cpu_to_be16(proto
);
4623 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
4626 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
4627 settings
->control_port_no_encrypt
= true;
4629 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
4631 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
4635 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
4636 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
4637 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
4639 if (len
% sizeof(u32
))
4642 if (settings
->n_ciphers_pairwise
> cipher_limit
)
4645 memcpy(settings
->ciphers_pairwise
, data
, len
);
4647 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
4648 if (!cfg80211_supported_cipher_suite(
4650 settings
->ciphers_pairwise
[i
]))
4654 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
4655 settings
->cipher_group
=
4656 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
4657 if (!cfg80211_supported_cipher_suite(&rdev
->wiphy
,
4658 settings
->cipher_group
))
4662 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
4663 settings
->wpa_versions
=
4664 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
4665 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
4669 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
4673 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
4674 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
4675 settings
->n_akm_suites
= len
/ sizeof(u32
);
4677 if (len
% sizeof(u32
))
4680 if (settings
->n_akm_suites
> NL80211_MAX_NR_AKM_SUITES
)
4683 memcpy(settings
->akm_suites
, data
, len
);
4689 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
4691 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4692 struct net_device
*dev
= info
->user_ptr
[1];
4693 struct cfg80211_crypto_settings crypto
;
4694 struct ieee80211_channel
*chan
;
4695 const u8
*bssid
, *ssid
, *ie
= NULL
, *prev_bssid
= NULL
;
4696 int err
, ssid_len
, ie_len
= 0;
4697 bool use_mfp
= false;
4699 struct ieee80211_ht_cap
*ht_capa
= NULL
;
4700 struct ieee80211_ht_cap
*ht_capa_mask
= NULL
;
4702 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4705 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
4706 !info
->attrs
[NL80211_ATTR_SSID
] ||
4707 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
4710 if (!rdev
->ops
->assoc
)
4713 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4714 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4717 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4719 chan
= ieee80211_get_channel(&rdev
->wiphy
,
4720 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
4721 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
4724 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
4725 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
4727 if (info
->attrs
[NL80211_ATTR_IE
]) {
4728 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
4729 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4732 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
4733 enum nl80211_mfp mfp
=
4734 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
4735 if (mfp
== NL80211_MFP_REQUIRED
)
4737 else if (mfp
!= NL80211_MFP_NO
)
4741 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
4742 prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
4744 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
4745 flags
|= ASSOC_REQ_DISABLE_HT
;
4747 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
4749 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]);
4751 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
4754 ht_capa
= nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
4757 err
= nl80211_crypto_settings(rdev
, info
, &crypto
, 1);
4759 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
, prev_bssid
,
4760 ssid
, ssid_len
, ie
, ie_len
, use_mfp
,
4761 &crypto
, flags
, ht_capa
,
4767 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
4769 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4770 struct net_device
*dev
= info
->user_ptr
[1];
4771 const u8
*ie
= NULL
, *bssid
;
4774 bool local_state_change
;
4776 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4779 if (!info
->attrs
[NL80211_ATTR_MAC
])
4782 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
4785 if (!rdev
->ops
->deauth
)
4788 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4789 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4792 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4794 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4795 if (reason_code
== 0) {
4796 /* Reason Code 0 is reserved */
4800 if (info
->attrs
[NL80211_ATTR_IE
]) {
4801 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
4802 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4805 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
4807 return cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
4808 local_state_change
);
4811 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
4813 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4814 struct net_device
*dev
= info
->user_ptr
[1];
4815 const u8
*ie
= NULL
, *bssid
;
4818 bool local_state_change
;
4820 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4823 if (!info
->attrs
[NL80211_ATTR_MAC
])
4826 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
4829 if (!rdev
->ops
->disassoc
)
4832 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4833 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4836 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4838 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4839 if (reason_code
== 0) {
4840 /* Reason Code 0 is reserved */
4844 if (info
->attrs
[NL80211_ATTR_IE
]) {
4845 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
4846 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4849 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
4851 return cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
4852 local_state_change
);
4856 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
4857 int mcast_rate
[IEEE80211_NUM_BANDS
],
4860 struct wiphy
*wiphy
= &rdev
->wiphy
;
4864 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
4865 struct ieee80211_supported_band
*sband
;
4867 sband
= wiphy
->bands
[band
];
4871 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
4872 if (sband
->bitrates
[i
].bitrate
== rateval
) {
4873 mcast_rate
[band
] = i
+ 1;
4883 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
4885 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4886 struct net_device
*dev
= info
->user_ptr
[1];
4887 struct cfg80211_ibss_params ibss
;
4888 struct wiphy
*wiphy
;
4889 struct cfg80211_cached_keys
*connkeys
= NULL
;
4892 memset(&ibss
, 0, sizeof(ibss
));
4894 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4897 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
4898 !info
->attrs
[NL80211_ATTR_SSID
] ||
4899 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
4902 ibss
.beacon_interval
= 100;
4904 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
4905 ibss
.beacon_interval
=
4906 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
4907 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
4911 if (!rdev
->ops
->join_ibss
)
4914 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
4917 wiphy
= &rdev
->wiphy
;
4919 if (info
->attrs
[NL80211_ATTR_MAC
]) {
4920 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4922 if (!is_valid_ether_addr(ibss
.bssid
))
4925 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
4926 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
4928 if (info
->attrs
[NL80211_ATTR_IE
]) {
4929 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
4930 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4933 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
4934 enum nl80211_channel_type channel_type
;
4936 if (!nl80211_valid_channel_type(info
, &channel_type
))
4939 if (channel_type
!= NL80211_CHAN_NO_HT
&&
4940 !(wiphy
->features
& NL80211_FEATURE_HT_IBSS
))
4943 ibss
.channel_type
= channel_type
;
4945 ibss
.channel_type
= NL80211_CHAN_NO_HT
;
4948 ibss
.channel
= rdev_freq_to_chan(rdev
,
4949 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]),
4951 if (!ibss
.channel
||
4952 ibss
.channel
->flags
& IEEE80211_CHAN_NO_IBSS
||
4953 ibss
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
4956 /* Both channels should be able to initiate communication */
4957 if ((ibss
.channel_type
== NL80211_CHAN_HT40PLUS
||
4958 ibss
.channel_type
== NL80211_CHAN_HT40MINUS
) &&
4959 !cfg80211_can_beacon_sec_chan(&rdev
->wiphy
, ibss
.channel
,
4963 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
4964 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
4966 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4968 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4970 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4971 struct ieee80211_supported_band
*sband
=
4972 wiphy
->bands
[ibss
.channel
->band
];
4974 err
= ieee80211_get_ratemask(sband
, rates
, n_rates
,
4980 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
4981 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
4982 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
4985 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
4986 connkeys
= nl80211_parse_connkeys(rdev
,
4987 info
->attrs
[NL80211_ATTR_KEYS
]);
4988 if (IS_ERR(connkeys
))
4989 return PTR_ERR(connkeys
);
4993 nla_get_flag(info
->attrs
[NL80211_ATTR_CONTROL_PORT
]);
4995 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
5001 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
5003 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5004 struct net_device
*dev
= info
->user_ptr
[1];
5006 if (!rdev
->ops
->leave_ibss
)
5009 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
5012 return cfg80211_leave_ibss(rdev
, dev
, false);
5015 #ifdef CONFIG_NL80211_TESTMODE
5016 static struct genl_multicast_group nl80211_testmode_mcgrp
= {
5020 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
5022 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5025 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
5029 if (rdev
->ops
->testmode_cmd
) {
5030 rdev
->testmode_info
= info
;
5031 err
= rdev
->ops
->testmode_cmd(&rdev
->wiphy
,
5032 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
5033 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
5034 rdev
->testmode_info
= NULL
;
5040 static int nl80211_testmode_dump(struct sk_buff
*skb
,
5041 struct netlink_callback
*cb
)
5043 struct cfg80211_registered_device
*rdev
;
5051 * 0 is a valid index, but not valid for args[0],
5052 * so we need to offset by 1.
5054 phy_idx
= cb
->args
[0] - 1;
5056 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
5057 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
5061 if (nl80211_fam
.attrbuf
[NL80211_ATTR_WIPHY
]) {
5062 phy_idx
= nla_get_u32(
5063 nl80211_fam
.attrbuf
[NL80211_ATTR_WIPHY
]);
5065 struct net_device
*netdev
;
5067 err
= get_rdev_dev_by_ifindex(sock_net(skb
->sk
),
5068 nl80211_fam
.attrbuf
,
5073 phy_idx
= rdev
->wiphy_idx
;
5074 cfg80211_unlock_rdev(rdev
);
5076 if (nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
])
5078 (long)nl80211_fam
.attrbuf
[NL80211_ATTR_TESTDATA
];
5082 data
= nla_data((void *)cb
->args
[1]);
5083 data_len
= nla_len((void *)cb
->args
[1]);
5086 mutex_lock(&cfg80211_mutex
);
5087 rdev
= cfg80211_rdev_by_wiphy_idx(phy_idx
);
5089 mutex_unlock(&cfg80211_mutex
);
5092 cfg80211_lock_rdev(rdev
);
5093 mutex_unlock(&cfg80211_mutex
);
5095 if (!rdev
->ops
->testmode_dump
) {
5101 void *hdr
= nl80211hdr_put(skb
, NETLINK_CB(cb
->skb
).pid
,
5102 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
5103 NL80211_CMD_TESTMODE
);
5104 struct nlattr
*tmdata
;
5106 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, phy_idx
)) {
5107 genlmsg_cancel(skb
, hdr
);
5111 tmdata
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
5113 genlmsg_cancel(skb
, hdr
);
5116 err
= rdev
->ops
->testmode_dump(&rdev
->wiphy
, skb
, cb
,
5118 nla_nest_end(skb
, tmdata
);
5120 if (err
== -ENOBUFS
|| err
== -ENOENT
) {
5121 genlmsg_cancel(skb
, hdr
);
5124 genlmsg_cancel(skb
, hdr
);
5128 genlmsg_end(skb
, hdr
);
5133 cb
->args
[0] = phy_idx
+ 1;
5135 cfg80211_unlock_rdev(rdev
);
5139 static struct sk_buff
*
5140 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device
*rdev
,
5141 int approxlen
, u32 pid
, u32 seq
, gfp_t gfp
)
5143 struct sk_buff
*skb
;
5145 struct nlattr
*data
;
5147 skb
= nlmsg_new(approxlen
+ 100, gfp
);
5151 hdr
= nl80211hdr_put(skb
, pid
, seq
, 0, NL80211_CMD_TESTMODE
);
5157 if (nla_put_u32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
))
5158 goto nla_put_failure
;
5159 data
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
5161 ((void **)skb
->cb
)[0] = rdev
;
5162 ((void **)skb
->cb
)[1] = hdr
;
5163 ((void **)skb
->cb
)[2] = data
;
5172 struct sk_buff
*cfg80211_testmode_alloc_reply_skb(struct wiphy
*wiphy
,
5175 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
5177 if (WARN_ON(!rdev
->testmode_info
))
5180 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
,
5181 rdev
->testmode_info
->snd_pid
,
5182 rdev
->testmode_info
->snd_seq
,
5185 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb
);
5187 int cfg80211_testmode_reply(struct sk_buff
*skb
)
5189 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
5190 void *hdr
= ((void **)skb
->cb
)[1];
5191 struct nlattr
*data
= ((void **)skb
->cb
)[2];
5193 if (WARN_ON(!rdev
->testmode_info
)) {
5198 nla_nest_end(skb
, data
);
5199 genlmsg_end(skb
, hdr
);
5200 return genlmsg_reply(skb
, rdev
->testmode_info
);
5202 EXPORT_SYMBOL(cfg80211_testmode_reply
);
5204 struct sk_buff
*cfg80211_testmode_alloc_event_skb(struct wiphy
*wiphy
,
5205 int approxlen
, gfp_t gfp
)
5207 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
5209 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
, 0, 0, gfp
);
5211 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb
);
5213 void cfg80211_testmode_event(struct sk_buff
*skb
, gfp_t gfp
)
5215 void *hdr
= ((void **)skb
->cb
)[1];
5216 struct nlattr
*data
= ((void **)skb
->cb
)[2];
5218 nla_nest_end(skb
, data
);
5219 genlmsg_end(skb
, hdr
);
5220 genlmsg_multicast(skb
, 0, nl80211_testmode_mcgrp
.id
, gfp
);
5222 EXPORT_SYMBOL(cfg80211_testmode_event
);
5225 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
5227 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5228 struct net_device
*dev
= info
->user_ptr
[1];
5229 struct cfg80211_connect_params connect
;
5230 struct wiphy
*wiphy
;
5231 struct cfg80211_cached_keys
*connkeys
= NULL
;
5234 memset(&connect
, 0, sizeof(connect
));
5236 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
5239 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
5240 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
5243 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
5245 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
5246 if (!nl80211_valid_auth_type(connect
.auth_type
))
5249 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
5251 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
5253 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
5254 NL80211_MAX_NR_CIPHER_SUITES
);
5258 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5259 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5262 wiphy
= &rdev
->wiphy
;
5264 connect
.bg_scan_period
= -1;
5265 if (info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
] &&
5266 (wiphy
->flags
& WIPHY_FLAG_SUPPORTS_FW_ROAM
)) {
5267 connect
.bg_scan_period
=
5268 nla_get_u16(info
->attrs
[NL80211_ATTR_BG_SCAN_PERIOD
]);
5271 if (info
->attrs
[NL80211_ATTR_MAC
])
5272 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5273 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
5274 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
5276 if (info
->attrs
[NL80211_ATTR_IE
]) {
5277 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
5278 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
5281 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
5283 ieee80211_get_channel(wiphy
,
5284 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
5285 if (!connect
.channel
||
5286 connect
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
5290 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
5291 connkeys
= nl80211_parse_connkeys(rdev
,
5292 info
->attrs
[NL80211_ATTR_KEYS
]);
5293 if (IS_ERR(connkeys
))
5294 return PTR_ERR(connkeys
);
5297 if (nla_get_flag(info
->attrs
[NL80211_ATTR_DISABLE_HT
]))
5298 connect
.flags
|= ASSOC_REQ_DISABLE_HT
;
5300 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
5301 memcpy(&connect
.ht_capa_mask
,
5302 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
]),
5303 sizeof(connect
.ht_capa_mask
));
5305 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]) {
5306 if (!info
->attrs
[NL80211_ATTR_HT_CAPABILITY_MASK
])
5308 memcpy(&connect
.ht_capa
,
5309 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]),
5310 sizeof(connect
.ht_capa
));
5313 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
);
5319 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
5321 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5322 struct net_device
*dev
= info
->user_ptr
[1];
5325 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
5326 reason
= WLAN_REASON_DEAUTH_LEAVING
;
5328 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
5333 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5334 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5337 return cfg80211_disconnect(rdev
, dev
, reason
, true);
5340 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
5342 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5347 if (!info
->attrs
[NL80211_ATTR_PID
])
5350 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
5352 net
= get_net_ns_by_pid(pid
);
5354 return PTR_ERR(net
);
5358 /* check if anything to do */
5359 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
5360 err
= cfg80211_switch_netns(rdev
, net
);
5366 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
5368 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5369 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
5370 struct cfg80211_pmksa
*pmksa
) = NULL
;
5371 struct net_device
*dev
= info
->user_ptr
[1];
5372 struct cfg80211_pmksa pmksa
;
5374 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
5376 if (!info
->attrs
[NL80211_ATTR_MAC
])
5379 if (!info
->attrs
[NL80211_ATTR_PMKID
])
5382 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
5383 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5385 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5386 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5389 switch (info
->genlhdr
->cmd
) {
5390 case NL80211_CMD_SET_PMKSA
:
5391 rdev_ops
= rdev
->ops
->set_pmksa
;
5393 case NL80211_CMD_DEL_PMKSA
:
5394 rdev_ops
= rdev
->ops
->del_pmksa
;
5404 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
5407 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
5409 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5410 struct net_device
*dev
= info
->user_ptr
[1];
5412 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5413 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5416 if (!rdev
->ops
->flush_pmksa
)
5419 return rdev
->ops
->flush_pmksa(&rdev
->wiphy
, dev
);
5422 static int nl80211_tdls_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
5424 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5425 struct net_device
*dev
= info
->user_ptr
[1];
5426 u8 action_code
, dialog_token
;
5430 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
5431 !rdev
->ops
->tdls_mgmt
)
5434 if (!info
->attrs
[NL80211_ATTR_TDLS_ACTION
] ||
5435 !info
->attrs
[NL80211_ATTR_STATUS_CODE
] ||
5436 !info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
] ||
5437 !info
->attrs
[NL80211_ATTR_IE
] ||
5438 !info
->attrs
[NL80211_ATTR_MAC
])
5441 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5442 action_code
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_ACTION
]);
5443 status_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_STATUS_CODE
]);
5444 dialog_token
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_DIALOG_TOKEN
]);
5446 return rdev
->ops
->tdls_mgmt(&rdev
->wiphy
, dev
, peer
, action_code
,
5447 dialog_token
, status_code
,
5448 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
5449 nla_len(info
->attrs
[NL80211_ATTR_IE
]));
5452 static int nl80211_tdls_oper(struct sk_buff
*skb
, struct genl_info
*info
)
5454 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5455 struct net_device
*dev
= info
->user_ptr
[1];
5456 enum nl80211_tdls_operation operation
;
5459 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_TDLS
) ||
5460 !rdev
->ops
->tdls_oper
)
5463 if (!info
->attrs
[NL80211_ATTR_TDLS_OPERATION
] ||
5464 !info
->attrs
[NL80211_ATTR_MAC
])
5467 operation
= nla_get_u8(info
->attrs
[NL80211_ATTR_TDLS_OPERATION
]);
5468 peer
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
5470 return rdev
->ops
->tdls_oper(&rdev
->wiphy
, dev
, peer
, operation
);
5473 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
5474 struct genl_info
*info
)
5476 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5477 struct net_device
*dev
= info
->user_ptr
[1];
5478 struct ieee80211_channel
*chan
;
5479 struct sk_buff
*msg
;
5482 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
5486 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
5487 !info
->attrs
[NL80211_ATTR_DURATION
])
5490 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
5493 * We should be on that channel for at least one jiffie,
5494 * and more than 5 seconds seems excessive.
5496 if (!duration
|| !msecs_to_jiffies(duration
) ||
5497 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
5500 if (!rdev
->ops
->remain_on_channel
||
5501 !(rdev
->wiphy
.flags
& WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL
))
5504 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
] &&
5505 !nl80211_valid_channel_type(info
, &channel_type
))
5508 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
5509 chan
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
5513 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5517 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
5518 NL80211_CMD_REMAIN_ON_CHANNEL
);
5525 err
= rdev
->ops
->remain_on_channel(&rdev
->wiphy
, dev
, chan
,
5526 channel_type
, duration
, &cookie
);
5531 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
5532 goto nla_put_failure
;
5534 genlmsg_end(msg
, hdr
);
5536 return genlmsg_reply(msg
, info
);
5545 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
5546 struct genl_info
*info
)
5548 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5549 struct net_device
*dev
= info
->user_ptr
[1];
5552 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
5555 if (!rdev
->ops
->cancel_remain_on_channel
)
5558 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
5560 return rdev
->ops
->cancel_remain_on_channel(&rdev
->wiphy
, dev
, cookie
);
5563 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
5564 u8
*rates
, u8 rates_len
)
5569 for (i
= 0; i
< rates_len
; i
++) {
5570 int rate
= (rates
[i
] & 0x7f) * 5;
5572 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
5573 struct ieee80211_rate
*srate
=
5574 &sband
->bitrates
[ridx
];
5575 if (rate
== srate
->bitrate
) {
5580 if (ridx
== sband
->n_bitrates
)
5581 return 0; /* rate not found */
5587 static bool ht_rateset_to_mask(struct ieee80211_supported_band
*sband
,
5588 u8
*rates
, u8 rates_len
,
5589 u8 mcs
[IEEE80211_HT_MCS_MASK_LEN
])
5593 memset(mcs
, 0, IEEE80211_HT_MCS_MASK_LEN
);
5595 for (i
= 0; i
< rates_len
; i
++) {
5598 ridx
= rates
[i
] / 8;
5599 rbit
= BIT(rates
[i
] % 8);
5601 /* check validity */
5602 if ((ridx
< 0) || (ridx
>= IEEE80211_HT_MCS_MASK_LEN
))
5605 /* check availability */
5606 if (sband
->ht_cap
.mcs
.rx_mask
[ridx
] & rbit
)
5615 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
5616 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
5617 .len
= NL80211_MAX_SUPP_RATES
},
5618 [NL80211_TXRATE_MCS
] = { .type
= NLA_BINARY
,
5619 .len
= NL80211_MAX_SUPP_HT_RATES
},
5622 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
5623 struct genl_info
*info
)
5625 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
5626 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5627 struct cfg80211_bitrate_mask mask
;
5629 struct net_device
*dev
= info
->user_ptr
[1];
5630 struct nlattr
*tx_rates
;
5631 struct ieee80211_supported_band
*sband
;
5633 if (info
->attrs
[NL80211_ATTR_TX_RATES
] == NULL
)
5636 if (!rdev
->ops
->set_bitrate_mask
)
5639 memset(&mask
, 0, sizeof(mask
));
5640 /* Default to all rates enabled */
5641 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
5642 sband
= rdev
->wiphy
.bands
[i
];
5643 mask
.control
[i
].legacy
=
5644 sband
? (1 << sband
->n_bitrates
) - 1 : 0;
5646 memcpy(mask
.control
[i
].mcs
,
5647 sband
->ht_cap
.mcs
.rx_mask
,
5648 sizeof(mask
.control
[i
].mcs
));
5650 memset(mask
.control
[i
].mcs
, 0,
5651 sizeof(mask
.control
[i
].mcs
));
5655 * The nested attribute uses enum nl80211_band as the index. This maps
5656 * directly to the enum ieee80211_band values used in cfg80211.
5658 BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES
> IEEE80211_HT_MCS_MASK_LEN
* 8);
5659 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
)
5661 enum ieee80211_band band
= nla_type(tx_rates
);
5662 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
5664 sband
= rdev
->wiphy
.bands
[band
];
5667 nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
5668 nla_len(tx_rates
), nl80211_txattr_policy
);
5669 if (tb
[NL80211_TXRATE_LEGACY
]) {
5670 mask
.control
[band
].legacy
= rateset_to_mask(
5672 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
5673 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
5674 if ((mask
.control
[band
].legacy
== 0) &&
5675 nla_len(tb
[NL80211_TXRATE_LEGACY
]))
5678 if (tb
[NL80211_TXRATE_MCS
]) {
5679 if (!ht_rateset_to_mask(
5681 nla_data(tb
[NL80211_TXRATE_MCS
]),
5682 nla_len(tb
[NL80211_TXRATE_MCS
]),
5683 mask
.control
[band
].mcs
))
5687 if (mask
.control
[band
].legacy
== 0) {
5688 /* don't allow empty legacy rates if HT
5689 * is not even supported. */
5690 if (!rdev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
)
5693 for (i
= 0; i
< IEEE80211_HT_MCS_MASK_LEN
; i
++)
5694 if (mask
.control
[band
].mcs
[i
])
5697 /* legacy and mcs rates may not be both empty */
5698 if (i
== IEEE80211_HT_MCS_MASK_LEN
)
5703 return rdev
->ops
->set_bitrate_mask(&rdev
->wiphy
, dev
, NULL
, &mask
);
5706 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
5708 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5709 struct net_device
*dev
= info
->user_ptr
[1];
5710 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
5712 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
5715 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
5716 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
5718 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5719 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
5720 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
5721 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5722 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
5723 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
5724 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5727 /* not much point in registering if we can't reply */
5728 if (!rdev
->ops
->mgmt_tx
)
5731 return cfg80211_mlme_register_mgmt(dev
->ieee80211_ptr
, info
->snd_pid
,
5733 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
5734 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
5737 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
5739 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5740 struct net_device
*dev
= info
->user_ptr
[1];
5741 struct ieee80211_channel
*chan
;
5742 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
5743 bool channel_type_valid
= false;
5748 struct sk_buff
*msg
= NULL
;
5749 unsigned int wait
= 0;
5750 bool offchan
, no_cck
, dont_wait_for_ack
;
5752 dont_wait_for_ack
= info
->attrs
[NL80211_ATTR_DONT_WAIT_FOR_ACK
];
5754 if (!info
->attrs
[NL80211_ATTR_FRAME
] ||
5755 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
5758 if (!rdev
->ops
->mgmt_tx
)
5761 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5762 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
5763 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
5764 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5765 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
5766 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
5767 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5770 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
5771 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
5773 wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
5776 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
5777 if (!nl80211_valid_channel_type(info
, &channel_type
))
5779 channel_type_valid
= true;
5782 offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
5784 if (offchan
&& !(rdev
->wiphy
.flags
& WIPHY_FLAG_OFFCHAN_TX
))
5787 no_cck
= nla_get_flag(info
->attrs
[NL80211_ATTR_TX_NO_CCK_RATE
]);
5789 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
5790 chan
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
5794 if (!dont_wait_for_ack
) {
5795 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5799 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
5808 err
= cfg80211_mlme_mgmt_tx(rdev
, dev
, chan
, offchan
, channel_type
,
5809 channel_type_valid
, wait
,
5810 nla_data(info
->attrs
[NL80211_ATTR_FRAME
]),
5811 nla_len(info
->attrs
[NL80211_ATTR_FRAME
]),
5812 no_cck
, dont_wait_for_ack
, &cookie
);
5817 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
5818 goto nla_put_failure
;
5820 genlmsg_end(msg
, hdr
);
5821 return genlmsg_reply(msg
, info
);
5833 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
5835 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5836 struct net_device
*dev
= info
->user_ptr
[1];
5839 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
5842 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
5845 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
5846 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
5847 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
5848 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
5849 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
5850 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
5853 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
5855 return rdev
->ops
->mgmt_tx_cancel_wait(&rdev
->wiphy
, dev
, cookie
);
5858 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
5860 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5861 struct wireless_dev
*wdev
;
5862 struct net_device
*dev
= info
->user_ptr
[1];
5867 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
5870 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
5872 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
5875 wdev
= dev
->ieee80211_ptr
;
5877 if (!rdev
->ops
->set_power_mgmt
)
5880 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
5882 if (state
== wdev
->ps
)
5885 err
= rdev
->ops
->set_power_mgmt(wdev
->wiphy
, dev
, state
,
5892 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
5894 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5895 enum nl80211_ps_state ps_state
;
5896 struct wireless_dev
*wdev
;
5897 struct net_device
*dev
= info
->user_ptr
[1];
5898 struct sk_buff
*msg
;
5902 wdev
= dev
->ieee80211_ptr
;
5904 if (!rdev
->ops
->set_power_mgmt
)
5907 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5911 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
5912 NL80211_CMD_GET_POWER_SAVE
);
5919 ps_state
= NL80211_PS_ENABLED
;
5921 ps_state
= NL80211_PS_DISABLED
;
5923 if (nla_put_u32(msg
, NL80211_ATTR_PS_STATE
, ps_state
))
5924 goto nla_put_failure
;
5926 genlmsg_end(msg
, hdr
);
5927 return genlmsg_reply(msg
, info
);
5936 static struct nla_policy
5937 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] __read_mostly
= {
5938 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
5939 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
5940 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
5943 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
5944 s32 threshold
, u32 hysteresis
)
5946 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5947 struct wireless_dev
*wdev
;
5948 struct net_device
*dev
= info
->user_ptr
[1];
5953 wdev
= dev
->ieee80211_ptr
;
5955 if (!rdev
->ops
->set_cqm_rssi_config
)
5958 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
5959 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5962 return rdev
->ops
->set_cqm_rssi_config(wdev
->wiphy
, dev
,
5963 threshold
, hysteresis
);
5966 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
5968 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
5972 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
5978 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
5979 nl80211_attr_cqm_policy
);
5983 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
5984 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
5987 threshold
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
5988 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
5989 err
= nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
5997 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
5999 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6000 struct net_device
*dev
= info
->user_ptr
[1];
6001 struct mesh_config cfg
;
6002 struct mesh_setup setup
;
6005 /* start with default */
6006 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
6007 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
6009 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
6010 /* and parse parameters if given */
6011 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
6016 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
6017 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
6020 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
6021 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
6023 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
6024 !nl80211_parse_mcast_rate(rdev
, setup
.mcast_rate
,
6025 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
6028 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
6029 /* parse additional setup parameters if given */
6030 err
= nl80211_parse_mesh_setup(info
, &setup
);
6035 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
6038 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
6040 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6041 struct net_device
*dev
= info
->user_ptr
[1];
6043 return cfg80211_leave_mesh(rdev
, dev
);
6046 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
6048 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6049 struct sk_buff
*msg
;
6052 if (!rdev
->wiphy
.wowlan
.flags
&& !rdev
->wiphy
.wowlan
.n_patterns
)
6055 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6059 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
6060 NL80211_CMD_GET_WOWLAN
);
6062 goto nla_put_failure
;
6065 struct nlattr
*nl_wowlan
;
6067 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
6069 goto nla_put_failure
;
6071 if ((rdev
->wowlan
->any
&&
6072 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_ANY
)) ||
6073 (rdev
->wowlan
->disconnect
&&
6074 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
)) ||
6075 (rdev
->wowlan
->magic_pkt
&&
6076 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
)) ||
6077 (rdev
->wowlan
->gtk_rekey_failure
&&
6078 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
)) ||
6079 (rdev
->wowlan
->eap_identity_req
&&
6080 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
)) ||
6081 (rdev
->wowlan
->four_way_handshake
&&
6082 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
)) ||
6083 (rdev
->wowlan
->rfkill_release
&&
6084 nla_put_flag(msg
, NL80211_WOWLAN_TRIG_RFKILL_RELEASE
)))
6085 goto nla_put_failure
;
6086 if (rdev
->wowlan
->n_patterns
) {
6087 struct nlattr
*nl_pats
, *nl_pat
;
6090 nl_pats
= nla_nest_start(msg
,
6091 NL80211_WOWLAN_TRIG_PKT_PATTERN
);
6093 goto nla_put_failure
;
6095 for (i
= 0; i
< rdev
->wowlan
->n_patterns
; i
++) {
6096 nl_pat
= nla_nest_start(msg
, i
+ 1);
6098 goto nla_put_failure
;
6099 pat_len
= rdev
->wowlan
->patterns
[i
].pattern_len
;
6100 if (nla_put(msg
, NL80211_WOWLAN_PKTPAT_MASK
,
6101 DIV_ROUND_UP(pat_len
, 8),
6102 rdev
->wowlan
->patterns
[i
].mask
) ||
6103 nla_put(msg
, NL80211_WOWLAN_PKTPAT_PATTERN
,
6105 rdev
->wowlan
->patterns
[i
].pattern
))
6106 goto nla_put_failure
;
6107 nla_nest_end(msg
, nl_pat
);
6109 nla_nest_end(msg
, nl_pats
);
6112 nla_nest_end(msg
, nl_wowlan
);
6115 genlmsg_end(msg
, hdr
);
6116 return genlmsg_reply(msg
, info
);
6123 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
6125 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6126 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
6127 struct cfg80211_wowlan no_triggers
= {};
6128 struct cfg80211_wowlan new_triggers
= {};
6129 struct wiphy_wowlan_support
*wowlan
= &rdev
->wiphy
.wowlan
;
6131 bool prev_enabled
= rdev
->wowlan
;
6133 if (!rdev
->wiphy
.wowlan
.flags
&& !rdev
->wiphy
.wowlan
.n_patterns
)
6136 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
])
6139 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
6140 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
6141 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
6142 nl80211_wowlan_policy
);
6146 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
6147 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
6149 new_triggers
.any
= true;
6152 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
6153 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
6155 new_triggers
.disconnect
= true;
6158 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
6159 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
6161 new_triggers
.magic_pkt
= true;
6164 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED
])
6167 if (tb
[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE
]) {
6168 if (!(wowlan
->flags
& WIPHY_WOWLAN_GTK_REKEY_FAILURE
))
6170 new_triggers
.gtk_rekey_failure
= true;
6173 if (tb
[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST
]) {
6174 if (!(wowlan
->flags
& WIPHY_WOWLAN_EAP_IDENTITY_REQ
))
6176 new_triggers
.eap_identity_req
= true;
6179 if (tb
[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE
]) {
6180 if (!(wowlan
->flags
& WIPHY_WOWLAN_4WAY_HANDSHAKE
))
6182 new_triggers
.four_way_handshake
= true;
6185 if (tb
[NL80211_WOWLAN_TRIG_RFKILL_RELEASE
]) {
6186 if (!(wowlan
->flags
& WIPHY_WOWLAN_RFKILL_RELEASE
))
6188 new_triggers
.rfkill_release
= true;
6191 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
6194 int rem
, pat_len
, mask_len
;
6195 struct nlattr
*pat_tb
[NUM_NL80211_WOWLAN_PKTPAT
];
6197 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
6200 if (n_patterns
> wowlan
->n_patterns
)
6203 new_triggers
.patterns
= kcalloc(n_patterns
,
6204 sizeof(new_triggers
.patterns
[0]),
6206 if (!new_triggers
.patterns
)
6209 new_triggers
.n_patterns
= n_patterns
;
6212 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
6214 nla_parse(pat_tb
, MAX_NL80211_WOWLAN_PKTPAT
,
6215 nla_data(pat
), nla_len(pat
), NULL
);
6217 if (!pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
] ||
6218 !pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
])
6220 pat_len
= nla_len(pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
]);
6221 mask_len
= DIV_ROUND_UP(pat_len
, 8);
6222 if (nla_len(pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
]) !=
6225 if (pat_len
> wowlan
->pattern_max_len
||
6226 pat_len
< wowlan
->pattern_min_len
)
6229 new_triggers
.patterns
[i
].mask
=
6230 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
6231 if (!new_triggers
.patterns
[i
].mask
) {
6235 new_triggers
.patterns
[i
].pattern
=
6236 new_triggers
.patterns
[i
].mask
+ mask_len
;
6237 memcpy(new_triggers
.patterns
[i
].mask
,
6238 nla_data(pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
]),
6240 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
6241 memcpy(new_triggers
.patterns
[i
].pattern
,
6242 nla_data(pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
]),
6248 if (memcmp(&new_triggers
, &no_triggers
, sizeof(new_triggers
))) {
6249 struct cfg80211_wowlan
*ntrig
;
6250 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
),
6256 cfg80211_rdev_free_wowlan(rdev
);
6257 rdev
->wowlan
= ntrig
;
6260 cfg80211_rdev_free_wowlan(rdev
);
6261 rdev
->wowlan
= NULL
;
6264 if (rdev
->ops
->set_wakeup
&& prev_enabled
!= !!rdev
->wowlan
)
6265 rdev
->ops
->set_wakeup(&rdev
->wiphy
, rdev
->wowlan
);
6269 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
6270 kfree(new_triggers
.patterns
[i
].mask
);
6271 kfree(new_triggers
.patterns
);
6275 static int nl80211_set_rekey_data(struct sk_buff
*skb
, struct genl_info
*info
)
6277 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6278 struct net_device
*dev
= info
->user_ptr
[1];
6279 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6280 struct nlattr
*tb
[NUM_NL80211_REKEY_DATA
];
6281 struct cfg80211_gtk_rekey_data rekey_data
;
6284 if (!info
->attrs
[NL80211_ATTR_REKEY_DATA
])
6287 err
= nla_parse(tb
, MAX_NL80211_REKEY_DATA
,
6288 nla_data(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
6289 nla_len(info
->attrs
[NL80211_ATTR_REKEY_DATA
]),
6290 nl80211_rekey_policy
);
6294 if (nla_len(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]) != NL80211_REPLAY_CTR_LEN
)
6296 if (nla_len(tb
[NL80211_REKEY_DATA_KEK
]) != NL80211_KEK_LEN
)
6298 if (nla_len(tb
[NL80211_REKEY_DATA_KCK
]) != NL80211_KCK_LEN
)
6301 memcpy(rekey_data
.kek
, nla_data(tb
[NL80211_REKEY_DATA_KEK
]),
6303 memcpy(rekey_data
.kck
, nla_data(tb
[NL80211_REKEY_DATA_KCK
]),
6305 memcpy(rekey_data
.replay_ctr
,
6306 nla_data(tb
[NL80211_REKEY_DATA_REPLAY_CTR
]),
6307 NL80211_REPLAY_CTR_LEN
);
6310 if (!wdev
->current_bss
) {
6315 if (!rdev
->ops
->set_rekey_data
) {
6320 err
= rdev
->ops
->set_rekey_data(&rdev
->wiphy
, dev
, &rekey_data
);
6326 static int nl80211_register_unexpected_frame(struct sk_buff
*skb
,
6327 struct genl_info
*info
)
6329 struct net_device
*dev
= info
->user_ptr
[1];
6330 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6332 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
6333 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
6336 if (wdev
->ap_unexpected_nlpid
)
6339 wdev
->ap_unexpected_nlpid
= info
->snd_pid
;
6343 static int nl80211_probe_client(struct sk_buff
*skb
,
6344 struct genl_info
*info
)
6346 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6347 struct net_device
*dev
= info
->user_ptr
[1];
6348 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
6349 struct sk_buff
*msg
;
6355 if (wdev
->iftype
!= NL80211_IFTYPE_AP
&&
6356 wdev
->iftype
!= NL80211_IFTYPE_P2P_GO
)
6359 if (!info
->attrs
[NL80211_ATTR_MAC
])
6362 if (!rdev
->ops
->probe_client
)
6365 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6369 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
6370 NL80211_CMD_PROBE_CLIENT
);
6377 addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
6379 err
= rdev
->ops
->probe_client(&rdev
->wiphy
, dev
, addr
, &cookie
);
6383 if (nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
6384 goto nla_put_failure
;
6386 genlmsg_end(msg
, hdr
);
6388 return genlmsg_reply(msg
, info
);
6397 static int nl80211_register_beacons(struct sk_buff
*skb
, struct genl_info
*info
)
6399 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
6401 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_REPORTS_OBSS
))
6404 if (rdev
->ap_beacons_nlpid
)
6407 rdev
->ap_beacons_nlpid
= info
->snd_pid
;
6412 #define NL80211_FLAG_NEED_WIPHY 0x01
6413 #define NL80211_FLAG_NEED_NETDEV 0x02
6414 #define NL80211_FLAG_NEED_RTNL 0x04
6415 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
6416 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
6417 NL80211_FLAG_CHECK_NETDEV_UP)
6419 static int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
6420 struct genl_info
*info
)
6422 struct cfg80211_registered_device
*rdev
;
6423 struct net_device
*dev
;
6425 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
6430 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
6431 rdev
= cfg80211_get_dev_from_info(info
);
6435 return PTR_ERR(rdev
);
6437 info
->user_ptr
[0] = rdev
;
6438 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
6439 err
= get_rdev_dev_by_ifindex(genl_info_net(info
), info
->attrs
,
6446 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
6447 !netif_running(dev
)) {
6448 cfg80211_unlock_rdev(rdev
);
6454 info
->user_ptr
[0] = rdev
;
6455 info
->user_ptr
[1] = dev
;
6461 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
6462 struct genl_info
*info
)
6464 if (info
->user_ptr
[0])
6465 cfg80211_unlock_rdev(info
->user_ptr
[0]);
6466 if (info
->user_ptr
[1])
6467 dev_put(info
->user_ptr
[1]);
6468 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
6472 static struct genl_ops nl80211_ops
[] = {
6474 .cmd
= NL80211_CMD_GET_WIPHY
,
6475 .doit
= nl80211_get_wiphy
,
6476 .dumpit
= nl80211_dump_wiphy
,
6477 .policy
= nl80211_policy
,
6478 /* can be retrieved by unprivileged users */
6479 .internal_flags
= NL80211_FLAG_NEED_WIPHY
,
6482 .cmd
= NL80211_CMD_SET_WIPHY
,
6483 .doit
= nl80211_set_wiphy
,
6484 .policy
= nl80211_policy
,
6485 .flags
= GENL_ADMIN_PERM
,
6486 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
6489 .cmd
= NL80211_CMD_GET_INTERFACE
,
6490 .doit
= nl80211_get_interface
,
6491 .dumpit
= nl80211_dump_interface
,
6492 .policy
= nl80211_policy
,
6493 /* can be retrieved by unprivileged users */
6494 .internal_flags
= NL80211_FLAG_NEED_NETDEV
,
6497 .cmd
= NL80211_CMD_SET_INTERFACE
,
6498 .doit
= nl80211_set_interface
,
6499 .policy
= nl80211_policy
,
6500 .flags
= GENL_ADMIN_PERM
,
6501 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
6502 NL80211_FLAG_NEED_RTNL
,
6505 .cmd
= NL80211_CMD_NEW_INTERFACE
,
6506 .doit
= nl80211_new_interface
,
6507 .policy
= nl80211_policy
,
6508 .flags
= GENL_ADMIN_PERM
,
6509 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
6510 NL80211_FLAG_NEED_RTNL
,
6513 .cmd
= NL80211_CMD_DEL_INTERFACE
,
6514 .doit
= nl80211_del_interface
,
6515 .policy
= nl80211_policy
,
6516 .flags
= GENL_ADMIN_PERM
,
6517 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
6518 NL80211_FLAG_NEED_RTNL
,
6521 .cmd
= NL80211_CMD_GET_KEY
,
6522 .doit
= nl80211_get_key
,
6523 .policy
= nl80211_policy
,
6524 .flags
= GENL_ADMIN_PERM
,
6525 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6526 NL80211_FLAG_NEED_RTNL
,
6529 .cmd
= NL80211_CMD_SET_KEY
,
6530 .doit
= nl80211_set_key
,
6531 .policy
= nl80211_policy
,
6532 .flags
= GENL_ADMIN_PERM
,
6533 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6534 NL80211_FLAG_NEED_RTNL
,
6537 .cmd
= NL80211_CMD_NEW_KEY
,
6538 .doit
= nl80211_new_key
,
6539 .policy
= nl80211_policy
,
6540 .flags
= GENL_ADMIN_PERM
,
6541 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6542 NL80211_FLAG_NEED_RTNL
,
6545 .cmd
= NL80211_CMD_DEL_KEY
,
6546 .doit
= nl80211_del_key
,
6547 .policy
= nl80211_policy
,
6548 .flags
= GENL_ADMIN_PERM
,
6549 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6550 NL80211_FLAG_NEED_RTNL
,
6553 .cmd
= NL80211_CMD_SET_BEACON
,
6554 .policy
= nl80211_policy
,
6555 .flags
= GENL_ADMIN_PERM
,
6556 .doit
= nl80211_set_beacon
,
6557 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6558 NL80211_FLAG_NEED_RTNL
,
6561 .cmd
= NL80211_CMD_START_AP
,
6562 .policy
= nl80211_policy
,
6563 .flags
= GENL_ADMIN_PERM
,
6564 .doit
= nl80211_start_ap
,
6565 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6566 NL80211_FLAG_NEED_RTNL
,
6569 .cmd
= NL80211_CMD_STOP_AP
,
6570 .policy
= nl80211_policy
,
6571 .flags
= GENL_ADMIN_PERM
,
6572 .doit
= nl80211_stop_ap
,
6573 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6574 NL80211_FLAG_NEED_RTNL
,
6577 .cmd
= NL80211_CMD_GET_STATION
,
6578 .doit
= nl80211_get_station
,
6579 .dumpit
= nl80211_dump_station
,
6580 .policy
= nl80211_policy
,
6581 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
6582 NL80211_FLAG_NEED_RTNL
,
6585 .cmd
= NL80211_CMD_SET_STATION
,
6586 .doit
= nl80211_set_station
,
6587 .policy
= nl80211_policy
,
6588 .flags
= GENL_ADMIN_PERM
,
6589 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6590 NL80211_FLAG_NEED_RTNL
,
6593 .cmd
= NL80211_CMD_NEW_STATION
,
6594 .doit
= nl80211_new_station
,
6595 .policy
= nl80211_policy
,
6596 .flags
= GENL_ADMIN_PERM
,
6597 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6598 NL80211_FLAG_NEED_RTNL
,
6601 .cmd
= NL80211_CMD_DEL_STATION
,
6602 .doit
= nl80211_del_station
,
6603 .policy
= nl80211_policy
,
6604 .flags
= GENL_ADMIN_PERM
,
6605 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6606 NL80211_FLAG_NEED_RTNL
,
6609 .cmd
= NL80211_CMD_GET_MPATH
,
6610 .doit
= nl80211_get_mpath
,
6611 .dumpit
= nl80211_dump_mpath
,
6612 .policy
= nl80211_policy
,
6613 .flags
= GENL_ADMIN_PERM
,
6614 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6615 NL80211_FLAG_NEED_RTNL
,
6618 .cmd
= NL80211_CMD_SET_MPATH
,
6619 .doit
= nl80211_set_mpath
,
6620 .policy
= nl80211_policy
,
6621 .flags
= GENL_ADMIN_PERM
,
6622 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6623 NL80211_FLAG_NEED_RTNL
,
6626 .cmd
= NL80211_CMD_NEW_MPATH
,
6627 .doit
= nl80211_new_mpath
,
6628 .policy
= nl80211_policy
,
6629 .flags
= GENL_ADMIN_PERM
,
6630 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6631 NL80211_FLAG_NEED_RTNL
,
6634 .cmd
= NL80211_CMD_DEL_MPATH
,
6635 .doit
= nl80211_del_mpath
,
6636 .policy
= nl80211_policy
,
6637 .flags
= GENL_ADMIN_PERM
,
6638 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6639 NL80211_FLAG_NEED_RTNL
,
6642 .cmd
= NL80211_CMD_SET_BSS
,
6643 .doit
= nl80211_set_bss
,
6644 .policy
= nl80211_policy
,
6645 .flags
= GENL_ADMIN_PERM
,
6646 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6647 NL80211_FLAG_NEED_RTNL
,
6650 .cmd
= NL80211_CMD_GET_REG
,
6651 .doit
= nl80211_get_reg
,
6652 .policy
= nl80211_policy
,
6653 /* can be retrieved by unprivileged users */
6656 .cmd
= NL80211_CMD_SET_REG
,
6657 .doit
= nl80211_set_reg
,
6658 .policy
= nl80211_policy
,
6659 .flags
= GENL_ADMIN_PERM
,
6662 .cmd
= NL80211_CMD_REQ_SET_REG
,
6663 .doit
= nl80211_req_set_reg
,
6664 .policy
= nl80211_policy
,
6665 .flags
= GENL_ADMIN_PERM
,
6668 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
6669 .doit
= nl80211_get_mesh_config
,
6670 .policy
= nl80211_policy
,
6671 /* can be retrieved by unprivileged users */
6672 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6673 NL80211_FLAG_NEED_RTNL
,
6676 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
6677 .doit
= nl80211_update_mesh_config
,
6678 .policy
= nl80211_policy
,
6679 .flags
= GENL_ADMIN_PERM
,
6680 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6681 NL80211_FLAG_NEED_RTNL
,
6684 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
6685 .doit
= nl80211_trigger_scan
,
6686 .policy
= nl80211_policy
,
6687 .flags
= GENL_ADMIN_PERM
,
6688 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6689 NL80211_FLAG_NEED_RTNL
,
6692 .cmd
= NL80211_CMD_GET_SCAN
,
6693 .policy
= nl80211_policy
,
6694 .dumpit
= nl80211_dump_scan
,
6697 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
6698 .doit
= nl80211_start_sched_scan
,
6699 .policy
= nl80211_policy
,
6700 .flags
= GENL_ADMIN_PERM
,
6701 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6702 NL80211_FLAG_NEED_RTNL
,
6705 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
6706 .doit
= nl80211_stop_sched_scan
,
6707 .policy
= nl80211_policy
,
6708 .flags
= GENL_ADMIN_PERM
,
6709 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6710 NL80211_FLAG_NEED_RTNL
,
6713 .cmd
= NL80211_CMD_AUTHENTICATE
,
6714 .doit
= nl80211_authenticate
,
6715 .policy
= nl80211_policy
,
6716 .flags
= GENL_ADMIN_PERM
,
6717 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6718 NL80211_FLAG_NEED_RTNL
,
6721 .cmd
= NL80211_CMD_ASSOCIATE
,
6722 .doit
= nl80211_associate
,
6723 .policy
= nl80211_policy
,
6724 .flags
= GENL_ADMIN_PERM
,
6725 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6726 NL80211_FLAG_NEED_RTNL
,
6729 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
6730 .doit
= nl80211_deauthenticate
,
6731 .policy
= nl80211_policy
,
6732 .flags
= GENL_ADMIN_PERM
,
6733 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6734 NL80211_FLAG_NEED_RTNL
,
6737 .cmd
= NL80211_CMD_DISASSOCIATE
,
6738 .doit
= nl80211_disassociate
,
6739 .policy
= nl80211_policy
,
6740 .flags
= GENL_ADMIN_PERM
,
6741 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6742 NL80211_FLAG_NEED_RTNL
,
6745 .cmd
= NL80211_CMD_JOIN_IBSS
,
6746 .doit
= nl80211_join_ibss
,
6747 .policy
= nl80211_policy
,
6748 .flags
= GENL_ADMIN_PERM
,
6749 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6750 NL80211_FLAG_NEED_RTNL
,
6753 .cmd
= NL80211_CMD_LEAVE_IBSS
,
6754 .doit
= nl80211_leave_ibss
,
6755 .policy
= nl80211_policy
,
6756 .flags
= GENL_ADMIN_PERM
,
6757 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6758 NL80211_FLAG_NEED_RTNL
,
6760 #ifdef CONFIG_NL80211_TESTMODE
6762 .cmd
= NL80211_CMD_TESTMODE
,
6763 .doit
= nl80211_testmode_do
,
6764 .dumpit
= nl80211_testmode_dump
,
6765 .policy
= nl80211_policy
,
6766 .flags
= GENL_ADMIN_PERM
,
6767 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
6768 NL80211_FLAG_NEED_RTNL
,
6772 .cmd
= NL80211_CMD_CONNECT
,
6773 .doit
= nl80211_connect
,
6774 .policy
= nl80211_policy
,
6775 .flags
= GENL_ADMIN_PERM
,
6776 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6777 NL80211_FLAG_NEED_RTNL
,
6780 .cmd
= NL80211_CMD_DISCONNECT
,
6781 .doit
= nl80211_disconnect
,
6782 .policy
= nl80211_policy
,
6783 .flags
= GENL_ADMIN_PERM
,
6784 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6785 NL80211_FLAG_NEED_RTNL
,
6788 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
6789 .doit
= nl80211_wiphy_netns
,
6790 .policy
= nl80211_policy
,
6791 .flags
= GENL_ADMIN_PERM
,
6792 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
6793 NL80211_FLAG_NEED_RTNL
,
6796 .cmd
= NL80211_CMD_GET_SURVEY
,
6797 .policy
= nl80211_policy
,
6798 .dumpit
= nl80211_dump_survey
,
6801 .cmd
= NL80211_CMD_SET_PMKSA
,
6802 .doit
= nl80211_setdel_pmksa
,
6803 .policy
= nl80211_policy
,
6804 .flags
= GENL_ADMIN_PERM
,
6805 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6806 NL80211_FLAG_NEED_RTNL
,
6809 .cmd
= NL80211_CMD_DEL_PMKSA
,
6810 .doit
= nl80211_setdel_pmksa
,
6811 .policy
= nl80211_policy
,
6812 .flags
= GENL_ADMIN_PERM
,
6813 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6814 NL80211_FLAG_NEED_RTNL
,
6817 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
6818 .doit
= nl80211_flush_pmksa
,
6819 .policy
= nl80211_policy
,
6820 .flags
= GENL_ADMIN_PERM
,
6821 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6822 NL80211_FLAG_NEED_RTNL
,
6825 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
6826 .doit
= nl80211_remain_on_channel
,
6827 .policy
= nl80211_policy
,
6828 .flags
= GENL_ADMIN_PERM
,
6829 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6830 NL80211_FLAG_NEED_RTNL
,
6833 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
6834 .doit
= nl80211_cancel_remain_on_channel
,
6835 .policy
= nl80211_policy
,
6836 .flags
= GENL_ADMIN_PERM
,
6837 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6838 NL80211_FLAG_NEED_RTNL
,
6841 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
6842 .doit
= nl80211_set_tx_bitrate_mask
,
6843 .policy
= nl80211_policy
,
6844 .flags
= GENL_ADMIN_PERM
,
6845 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
6846 NL80211_FLAG_NEED_RTNL
,
6849 .cmd
= NL80211_CMD_REGISTER_FRAME
,
6850 .doit
= nl80211_register_mgmt
,
6851 .policy
= nl80211_policy
,
6852 .flags
= GENL_ADMIN_PERM
,
6853 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
6854 NL80211_FLAG_NEED_RTNL
,
6857 .cmd
= NL80211_CMD_FRAME
,
6858 .doit
= nl80211_tx_mgmt
,
6859 .policy
= nl80211_policy
,
6860 .flags
= GENL_ADMIN_PERM
,
6861 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6862 NL80211_FLAG_NEED_RTNL
,
6865 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
6866 .doit
= nl80211_tx_mgmt_cancel_wait
,
6867 .policy
= nl80211_policy
,
6868 .flags
= GENL_ADMIN_PERM
,
6869 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6870 NL80211_FLAG_NEED_RTNL
,
6873 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
6874 .doit
= nl80211_set_power_save
,
6875 .policy
= nl80211_policy
,
6876 .flags
= GENL_ADMIN_PERM
,
6877 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
6878 NL80211_FLAG_NEED_RTNL
,
6881 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
6882 .doit
= nl80211_get_power_save
,
6883 .policy
= nl80211_policy
,
6884 /* can be retrieved by unprivileged users */
6885 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
6886 NL80211_FLAG_NEED_RTNL
,
6889 .cmd
= NL80211_CMD_SET_CQM
,
6890 .doit
= nl80211_set_cqm
,
6891 .policy
= nl80211_policy
,
6892 .flags
= GENL_ADMIN_PERM
,
6893 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
6894 NL80211_FLAG_NEED_RTNL
,
6897 .cmd
= NL80211_CMD_SET_CHANNEL
,
6898 .doit
= nl80211_set_channel
,
6899 .policy
= nl80211_policy
,
6900 .flags
= GENL_ADMIN_PERM
,
6901 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
6902 NL80211_FLAG_NEED_RTNL
,
6905 .cmd
= NL80211_CMD_SET_WDS_PEER
,
6906 .doit
= nl80211_set_wds_peer
,
6907 .policy
= nl80211_policy
,
6908 .flags
= GENL_ADMIN_PERM
,
6909 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
6910 NL80211_FLAG_NEED_RTNL
,
6913 .cmd
= NL80211_CMD_JOIN_MESH
,
6914 .doit
= nl80211_join_mesh
,
6915 .policy
= nl80211_policy
,
6916 .flags
= GENL_ADMIN_PERM
,
6917 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6918 NL80211_FLAG_NEED_RTNL
,
6921 .cmd
= NL80211_CMD_LEAVE_MESH
,
6922 .doit
= nl80211_leave_mesh
,
6923 .policy
= nl80211_policy
,
6924 .flags
= GENL_ADMIN_PERM
,
6925 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6926 NL80211_FLAG_NEED_RTNL
,
6929 .cmd
= NL80211_CMD_GET_WOWLAN
,
6930 .doit
= nl80211_get_wowlan
,
6931 .policy
= nl80211_policy
,
6932 /* can be retrieved by unprivileged users */
6933 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
6934 NL80211_FLAG_NEED_RTNL
,
6937 .cmd
= NL80211_CMD_SET_WOWLAN
,
6938 .doit
= nl80211_set_wowlan
,
6939 .policy
= nl80211_policy
,
6940 .flags
= GENL_ADMIN_PERM
,
6941 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
6942 NL80211_FLAG_NEED_RTNL
,
6945 .cmd
= NL80211_CMD_SET_REKEY_OFFLOAD
,
6946 .doit
= nl80211_set_rekey_data
,
6947 .policy
= nl80211_policy
,
6948 .flags
= GENL_ADMIN_PERM
,
6949 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6950 NL80211_FLAG_NEED_RTNL
,
6953 .cmd
= NL80211_CMD_TDLS_MGMT
,
6954 .doit
= nl80211_tdls_mgmt
,
6955 .policy
= nl80211_policy
,
6956 .flags
= GENL_ADMIN_PERM
,
6957 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6958 NL80211_FLAG_NEED_RTNL
,
6961 .cmd
= NL80211_CMD_TDLS_OPER
,
6962 .doit
= nl80211_tdls_oper
,
6963 .policy
= nl80211_policy
,
6964 .flags
= GENL_ADMIN_PERM
,
6965 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6966 NL80211_FLAG_NEED_RTNL
,
6969 .cmd
= NL80211_CMD_UNEXPECTED_FRAME
,
6970 .doit
= nl80211_register_unexpected_frame
,
6971 .policy
= nl80211_policy
,
6972 .flags
= GENL_ADMIN_PERM
,
6973 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
6974 NL80211_FLAG_NEED_RTNL
,
6977 .cmd
= NL80211_CMD_PROBE_CLIENT
,
6978 .doit
= nl80211_probe_client
,
6979 .policy
= nl80211_policy
,
6980 .flags
= GENL_ADMIN_PERM
,
6981 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
6982 NL80211_FLAG_NEED_RTNL
,
6985 .cmd
= NL80211_CMD_REGISTER_BEACONS
,
6986 .doit
= nl80211_register_beacons
,
6987 .policy
= nl80211_policy
,
6988 .flags
= GENL_ADMIN_PERM
,
6989 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
6990 NL80211_FLAG_NEED_RTNL
,
6993 .cmd
= NL80211_CMD_SET_NOACK_MAP
,
6994 .doit
= nl80211_set_noack_map
,
6995 .policy
= nl80211_policy
,
6996 .flags
= GENL_ADMIN_PERM
,
6997 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
6998 NL80211_FLAG_NEED_RTNL
,
7003 static struct genl_multicast_group nl80211_mlme_mcgrp
= {
7007 /* multicast groups */
7008 static struct genl_multicast_group nl80211_config_mcgrp
= {
7011 static struct genl_multicast_group nl80211_scan_mcgrp
= {
7014 static struct genl_multicast_group nl80211_regulatory_mcgrp
= {
7015 .name
= "regulatory",
7018 /* notification functions */
7020 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
7022 struct sk_buff
*msg
;
7024 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7028 if (nl80211_send_wiphy(msg
, 0, 0, 0, rdev
) < 0) {
7033 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7034 nl80211_config_mcgrp
.id
, GFP_KERNEL
);
7037 static int nl80211_add_scan_req(struct sk_buff
*msg
,
7038 struct cfg80211_registered_device
*rdev
)
7040 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
7041 struct nlattr
*nest
;
7044 ASSERT_RDEV_LOCK(rdev
);
7049 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
7051 goto nla_put_failure
;
7052 for (i
= 0; i
< req
->n_ssids
; i
++) {
7053 if (nla_put(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
))
7054 goto nla_put_failure
;
7056 nla_nest_end(msg
, nest
);
7058 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
7060 goto nla_put_failure
;
7061 for (i
= 0; i
< req
->n_channels
; i
++) {
7062 if (nla_put_u32(msg
, i
, req
->channels
[i
]->center_freq
))
7063 goto nla_put_failure
;
7065 nla_nest_end(msg
, nest
);
7068 nla_put(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
))
7069 goto nla_put_failure
;
7076 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
7077 struct cfg80211_registered_device
*rdev
,
7078 struct net_device
*netdev
,
7079 u32 pid
, u32 seq
, int flags
,
7084 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, cmd
);
7088 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7089 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
7090 goto nla_put_failure
;
7092 /* ignore errors and send incomplete event anyway */
7093 nl80211_add_scan_req(msg
, rdev
);
7095 return genlmsg_end(msg
, hdr
);
7098 genlmsg_cancel(msg
, hdr
);
7103 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
7104 struct cfg80211_registered_device
*rdev
,
7105 struct net_device
*netdev
,
7106 u32 pid
, u32 seq
, int flags
, u32 cmd
)
7110 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, cmd
);
7114 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7115 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
7116 goto nla_put_failure
;
7118 return genlmsg_end(msg
, hdr
);
7121 genlmsg_cancel(msg
, hdr
);
7125 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
7126 struct net_device
*netdev
)
7128 struct sk_buff
*msg
;
7130 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
7134 if (nl80211_send_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
7135 NL80211_CMD_TRIGGER_SCAN
) < 0) {
7140 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7141 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7144 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
7145 struct net_device
*netdev
)
7147 struct sk_buff
*msg
;
7149 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7153 if (nl80211_send_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
7154 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
7159 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7160 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7163 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
7164 struct net_device
*netdev
)
7166 struct sk_buff
*msg
;
7168 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7172 if (nl80211_send_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
7173 NL80211_CMD_SCAN_ABORTED
) < 0) {
7178 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7179 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7182 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
7183 struct net_device
*netdev
)
7185 struct sk_buff
*msg
;
7187 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7191 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
7192 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
7197 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7198 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7201 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
7202 struct net_device
*netdev
, u32 cmd
)
7204 struct sk_buff
*msg
;
7206 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
7210 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
7215 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7216 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
7220 * This can happen on global regulatory changes or device specific settings
7221 * based on custom world regulatory domains.
7223 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
7225 struct sk_buff
*msg
;
7228 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
7232 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
7238 /* Userspace can always count this one always being set */
7239 if (nla_put_u8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
))
7240 goto nla_put_failure
;
7242 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0') {
7243 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
7244 NL80211_REGDOM_TYPE_WORLD
))
7245 goto nla_put_failure
;
7246 } else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9') {
7247 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
7248 NL80211_REGDOM_TYPE_CUSTOM_WORLD
))
7249 goto nla_put_failure
;
7250 } else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
7251 request
->intersect
) {
7252 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
7253 NL80211_REGDOM_TYPE_INTERSECTION
))
7254 goto nla_put_failure
;
7256 if (nla_put_u8(msg
, NL80211_ATTR_REG_TYPE
,
7257 NL80211_REGDOM_TYPE_COUNTRY
) ||
7258 nla_put_string(msg
, NL80211_ATTR_REG_ALPHA2
,
7260 goto nla_put_failure
;
7263 if (wiphy_idx_valid(request
->wiphy_idx
) &&
7264 nla_put_u32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
))
7265 goto nla_put_failure
;
7267 genlmsg_end(msg
, hdr
);
7270 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
7277 genlmsg_cancel(msg
, hdr
);
7281 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
7282 struct net_device
*netdev
,
7283 const u8
*buf
, size_t len
,
7284 enum nl80211_commands cmd
, gfp_t gfp
)
7286 struct sk_buff
*msg
;
7289 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7293 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
7299 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7300 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7301 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
7302 goto nla_put_failure
;
7304 genlmsg_end(msg
, hdr
);
7306 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7307 nl80211_mlme_mcgrp
.id
, gfp
);
7311 genlmsg_cancel(msg
, hdr
);
7315 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
7316 struct net_device
*netdev
, const u8
*buf
,
7317 size_t len
, gfp_t gfp
)
7319 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7320 NL80211_CMD_AUTHENTICATE
, gfp
);
7323 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
7324 struct net_device
*netdev
, const u8
*buf
,
7325 size_t len
, gfp_t gfp
)
7327 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7328 NL80211_CMD_ASSOCIATE
, gfp
);
7331 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
7332 struct net_device
*netdev
, const u8
*buf
,
7333 size_t len
, gfp_t gfp
)
7335 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7336 NL80211_CMD_DEAUTHENTICATE
, gfp
);
7339 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
7340 struct net_device
*netdev
, const u8
*buf
,
7341 size_t len
, gfp_t gfp
)
7343 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7344 NL80211_CMD_DISASSOCIATE
, gfp
);
7347 void nl80211_send_unprot_deauth(struct cfg80211_registered_device
*rdev
,
7348 struct net_device
*netdev
, const u8
*buf
,
7349 size_t len
, gfp_t gfp
)
7351 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7352 NL80211_CMD_UNPROT_DEAUTHENTICATE
, gfp
);
7355 void nl80211_send_unprot_disassoc(struct cfg80211_registered_device
*rdev
,
7356 struct net_device
*netdev
, const u8
*buf
,
7357 size_t len
, gfp_t gfp
)
7359 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
7360 NL80211_CMD_UNPROT_DISASSOCIATE
, gfp
);
7363 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
7364 struct net_device
*netdev
, int cmd
,
7365 const u8
*addr
, gfp_t gfp
)
7367 struct sk_buff
*msg
;
7370 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7374 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
7380 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7381 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7382 nla_put_flag(msg
, NL80211_ATTR_TIMED_OUT
) ||
7383 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
7384 goto nla_put_failure
;
7386 genlmsg_end(msg
, hdr
);
7388 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7389 nl80211_mlme_mcgrp
.id
, gfp
);
7393 genlmsg_cancel(msg
, hdr
);
7397 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
7398 struct net_device
*netdev
, const u8
*addr
,
7401 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
7405 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
7406 struct net_device
*netdev
, const u8
*addr
,
7409 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
7413 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
7414 struct net_device
*netdev
, const u8
*bssid
,
7415 const u8
*req_ie
, size_t req_ie_len
,
7416 const u8
*resp_ie
, size_t resp_ie_len
,
7417 u16 status
, gfp_t gfp
)
7419 struct sk_buff
*msg
;
7422 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
7426 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
7432 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7433 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7434 (bssid
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
)) ||
7435 nla_put_u16(msg
, NL80211_ATTR_STATUS_CODE
, status
) ||
7437 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
7439 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
7440 goto nla_put_failure
;
7442 genlmsg_end(msg
, hdr
);
7444 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7445 nl80211_mlme_mcgrp
.id
, gfp
);
7449 genlmsg_cancel(msg
, hdr
);
7454 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
7455 struct net_device
*netdev
, const u8
*bssid
,
7456 const u8
*req_ie
, size_t req_ie_len
,
7457 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
7459 struct sk_buff
*msg
;
7462 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
7466 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
7472 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7473 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7474 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
) ||
7476 nla_put(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
)) ||
7478 nla_put(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
)))
7479 goto nla_put_failure
;
7481 genlmsg_end(msg
, hdr
);
7483 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7484 nl80211_mlme_mcgrp
.id
, gfp
);
7488 genlmsg_cancel(msg
, hdr
);
7493 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
7494 struct net_device
*netdev
, u16 reason
,
7495 const u8
*ie
, size_t ie_len
, bool from_ap
)
7497 struct sk_buff
*msg
;
7500 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
7504 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
7510 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7511 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7512 (from_ap
&& reason
&&
7513 nla_put_u16(msg
, NL80211_ATTR_REASON_CODE
, reason
)) ||
7515 nla_put_flag(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
)) ||
7516 (ie
&& nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
7517 goto nla_put_failure
;
7519 genlmsg_end(msg
, hdr
);
7521 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7522 nl80211_mlme_mcgrp
.id
, GFP_KERNEL
);
7526 genlmsg_cancel(msg
, hdr
);
7531 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
7532 struct net_device
*netdev
, const u8
*bssid
,
7535 struct sk_buff
*msg
;
7538 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7542 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
7548 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7549 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7550 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
7551 goto nla_put_failure
;
7553 genlmsg_end(msg
, hdr
);
7555 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7556 nl80211_mlme_mcgrp
.id
, gfp
);
7560 genlmsg_cancel(msg
, hdr
);
7564 void nl80211_send_new_peer_candidate(struct cfg80211_registered_device
*rdev
,
7565 struct net_device
*netdev
,
7566 const u8
*macaddr
, const u8
* ie
, u8 ie_len
,
7569 struct sk_buff
*msg
;
7572 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7576 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
7582 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7583 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7584 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, macaddr
) ||
7586 nla_put(msg
, NL80211_ATTR_IE
, ie_len
, ie
)))
7587 goto nla_put_failure
;
7589 genlmsg_end(msg
, hdr
);
7591 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7592 nl80211_mlme_mcgrp
.id
, gfp
);
7596 genlmsg_cancel(msg
, hdr
);
7600 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
7601 struct net_device
*netdev
, const u8
*addr
,
7602 enum nl80211_key_type key_type
, int key_id
,
7603 const u8
*tsc
, gfp_t gfp
)
7605 struct sk_buff
*msg
;
7608 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7612 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
7618 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7619 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7620 (addr
&& nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
)) ||
7621 nla_put_u32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
) ||
7623 nla_put_u8(msg
, NL80211_ATTR_KEY_IDX
, key_id
)) ||
7624 (tsc
&& nla_put(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
)))
7625 goto nla_put_failure
;
7627 genlmsg_end(msg
, hdr
);
7629 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7630 nl80211_mlme_mcgrp
.id
, gfp
);
7634 genlmsg_cancel(msg
, hdr
);
7638 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
7639 struct ieee80211_channel
*channel_before
,
7640 struct ieee80211_channel
*channel_after
)
7642 struct sk_buff
*msg
;
7644 struct nlattr
*nl_freq
;
7646 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
7650 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
7657 * Since we are applying the beacon hint to a wiphy we know its
7658 * wiphy_idx is valid
7660 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
)))
7661 goto nla_put_failure
;
7664 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
7666 goto nla_put_failure
;
7667 if (nl80211_msg_put_channel(msg
, channel_before
))
7668 goto nla_put_failure
;
7669 nla_nest_end(msg
, nl_freq
);
7672 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
7674 goto nla_put_failure
;
7675 if (nl80211_msg_put_channel(msg
, channel_after
))
7676 goto nla_put_failure
;
7677 nla_nest_end(msg
, nl_freq
);
7679 genlmsg_end(msg
, hdr
);
7682 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
7689 genlmsg_cancel(msg
, hdr
);
7693 static void nl80211_send_remain_on_chan_event(
7694 int cmd
, struct cfg80211_registered_device
*rdev
,
7695 struct net_device
*netdev
, u64 cookie
,
7696 struct ieee80211_channel
*chan
,
7697 enum nl80211_channel_type channel_type
,
7698 unsigned int duration
, gfp_t gfp
)
7700 struct sk_buff
*msg
;
7703 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7707 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
7713 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7714 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7715 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
) ||
7716 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
, channel_type
) ||
7717 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
))
7718 goto nla_put_failure
;
7720 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
&&
7721 nla_put_u32(msg
, NL80211_ATTR_DURATION
, duration
))
7722 goto nla_put_failure
;
7724 genlmsg_end(msg
, hdr
);
7726 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7727 nl80211_mlme_mcgrp
.id
, gfp
);
7731 genlmsg_cancel(msg
, hdr
);
7735 void nl80211_send_remain_on_channel(struct cfg80211_registered_device
*rdev
,
7736 struct net_device
*netdev
, u64 cookie
,
7737 struct ieee80211_channel
*chan
,
7738 enum nl80211_channel_type channel_type
,
7739 unsigned int duration
, gfp_t gfp
)
7741 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
7742 rdev
, netdev
, cookie
, chan
,
7743 channel_type
, duration
, gfp
);
7746 void nl80211_send_remain_on_channel_cancel(
7747 struct cfg80211_registered_device
*rdev
, struct net_device
*netdev
,
7748 u64 cookie
, struct ieee80211_channel
*chan
,
7749 enum nl80211_channel_type channel_type
, gfp_t gfp
)
7751 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
7752 rdev
, netdev
, cookie
, chan
,
7753 channel_type
, 0, gfp
);
7756 void nl80211_send_sta_event(struct cfg80211_registered_device
*rdev
,
7757 struct net_device
*dev
, const u8
*mac_addr
,
7758 struct station_info
*sinfo
, gfp_t gfp
)
7760 struct sk_buff
*msg
;
7762 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
7766 if (nl80211_send_station(msg
, 0, 0, 0,
7767 rdev
, dev
, mac_addr
, sinfo
) < 0) {
7772 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7773 nl80211_mlme_mcgrp
.id
, gfp
);
7776 void nl80211_send_sta_del_event(struct cfg80211_registered_device
*rdev
,
7777 struct net_device
*dev
, const u8
*mac_addr
,
7780 struct sk_buff
*msg
;
7783 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
7787 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
7793 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
7794 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
))
7795 goto nla_put_failure
;
7797 genlmsg_end(msg
, hdr
);
7799 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7800 nl80211_mlme_mcgrp
.id
, gfp
);
7804 genlmsg_cancel(msg
, hdr
);
7808 static bool __nl80211_unexpected_frame(struct net_device
*dev
, u8 cmd
,
7809 const u8
*addr
, gfp_t gfp
)
7811 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
7812 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
7813 struct sk_buff
*msg
;
7816 u32 nlpid
= ACCESS_ONCE(wdev
->ap_unexpected_nlpid
);
7821 msg
= nlmsg_new(100, gfp
);
7825 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
7831 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7832 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
7833 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
))
7834 goto nla_put_failure
;
7836 err
= genlmsg_end(msg
, hdr
);
7842 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlpid
);
7846 genlmsg_cancel(msg
, hdr
);
7851 bool nl80211_unexpected_frame(struct net_device
*dev
, const u8
*addr
, gfp_t gfp
)
7853 return __nl80211_unexpected_frame(dev
, NL80211_CMD_UNEXPECTED_FRAME
,
7857 bool nl80211_unexpected_4addr_frame(struct net_device
*dev
,
7858 const u8
*addr
, gfp_t gfp
)
7860 return __nl80211_unexpected_frame(dev
,
7861 NL80211_CMD_UNEXPECTED_4ADDR_FRAME
,
7865 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
7866 struct net_device
*netdev
, u32 nlpid
,
7867 int freq
, int sig_dbm
,
7868 const u8
*buf
, size_t len
, gfp_t gfp
)
7870 struct sk_buff
*msg
;
7873 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7877 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
7883 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7884 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7885 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
7887 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
7888 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
))
7889 goto nla_put_failure
;
7891 genlmsg_end(msg
, hdr
);
7893 return genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlpid
);
7896 genlmsg_cancel(msg
, hdr
);
7901 void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device
*rdev
,
7902 struct net_device
*netdev
, u64 cookie
,
7903 const u8
*buf
, size_t len
, bool ack
,
7906 struct sk_buff
*msg
;
7909 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
7913 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
7919 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7920 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
7921 nla_put(msg
, NL80211_ATTR_FRAME
, len
, buf
) ||
7922 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
7923 (ack
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
7924 goto nla_put_failure
;
7926 genlmsg_end(msg
, hdr
);
7928 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, gfp
);
7932 genlmsg_cancel(msg
, hdr
);
7937 nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device
*rdev
,
7938 struct net_device
*netdev
,
7939 enum nl80211_cqm_rssi_threshold_event rssi_event
,
7942 struct sk_buff
*msg
;
7943 struct nlattr
*pinfoattr
;
7946 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
7950 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
7956 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
7957 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
7958 goto nla_put_failure
;
7960 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
7962 goto nla_put_failure
;
7964 if (nla_put_u32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
7966 goto nla_put_failure
;
7968 nla_nest_end(msg
, pinfoattr
);
7970 genlmsg_end(msg
, hdr
);
7972 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
7973 nl80211_mlme_mcgrp
.id
, gfp
);
7977 genlmsg_cancel(msg
, hdr
);
7981 void nl80211_gtk_rekey_notify(struct cfg80211_registered_device
*rdev
,
7982 struct net_device
*netdev
, const u8
*bssid
,
7983 const u8
*replay_ctr
, gfp_t gfp
)
7985 struct sk_buff
*msg
;
7986 struct nlattr
*rekey_attr
;
7989 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
7993 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD
);
7999 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8000 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8001 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
))
8002 goto nla_put_failure
;
8004 rekey_attr
= nla_nest_start(msg
, NL80211_ATTR_REKEY_DATA
);
8006 goto nla_put_failure
;
8008 if (nla_put(msg
, NL80211_REKEY_DATA_REPLAY_CTR
,
8009 NL80211_REPLAY_CTR_LEN
, replay_ctr
))
8010 goto nla_put_failure
;
8012 nla_nest_end(msg
, rekey_attr
);
8014 genlmsg_end(msg
, hdr
);
8016 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8017 nl80211_mlme_mcgrp
.id
, gfp
);
8021 genlmsg_cancel(msg
, hdr
);
8025 void nl80211_pmksa_candidate_notify(struct cfg80211_registered_device
*rdev
,
8026 struct net_device
*netdev
, int index
,
8027 const u8
*bssid
, bool preauth
, gfp_t gfp
)
8029 struct sk_buff
*msg
;
8030 struct nlattr
*attr
;
8033 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
8037 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE
);
8043 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8044 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
))
8045 goto nla_put_failure
;
8047 attr
= nla_nest_start(msg
, NL80211_ATTR_PMKSA_CANDIDATE
);
8049 goto nla_put_failure
;
8051 if (nla_put_u32(msg
, NL80211_PMKSA_CANDIDATE_INDEX
, index
) ||
8052 nla_put(msg
, NL80211_PMKSA_CANDIDATE_BSSID
, ETH_ALEN
, bssid
) ||
8054 nla_put_flag(msg
, NL80211_PMKSA_CANDIDATE_PREAUTH
)))
8055 goto nla_put_failure
;
8057 nla_nest_end(msg
, attr
);
8059 genlmsg_end(msg
, hdr
);
8061 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8062 nl80211_mlme_mcgrp
.id
, gfp
);
8066 genlmsg_cancel(msg
, hdr
);
8070 void nl80211_ch_switch_notify(struct cfg80211_registered_device
*rdev
,
8071 struct net_device
*netdev
, int freq
,
8072 enum nl80211_channel_type type
, gfp_t gfp
)
8074 struct sk_buff
*msg
;
8077 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
8081 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CH_SWITCH_NOTIFY
);
8087 if (nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8088 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
) ||
8089 nla_put_u32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
, type
))
8090 goto nla_put_failure
;
8092 genlmsg_end(msg
, hdr
);
8094 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8095 nl80211_mlme_mcgrp
.id
, gfp
);
8099 genlmsg_cancel(msg
, hdr
);
8104 nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device
*rdev
,
8105 struct net_device
*netdev
, const u8
*peer
,
8106 u32 num_packets
, gfp_t gfp
)
8108 struct sk_buff
*msg
;
8109 struct nlattr
*pinfoattr
;
8112 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
8116 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
8122 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8123 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
) ||
8124 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
))
8125 goto nla_put_failure
;
8127 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
8129 goto nla_put_failure
;
8131 if (nla_put_u32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
))
8132 goto nla_put_failure
;
8134 nla_nest_end(msg
, pinfoattr
);
8136 genlmsg_end(msg
, hdr
);
8138 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8139 nl80211_mlme_mcgrp
.id
, gfp
);
8143 genlmsg_cancel(msg
, hdr
);
8147 void cfg80211_probe_status(struct net_device
*dev
, const u8
*addr
,
8148 u64 cookie
, bool acked
, gfp_t gfp
)
8150 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
8151 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wdev
->wiphy
);
8152 struct sk_buff
*msg
;
8156 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
8160 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_PROBE_CLIENT
);
8166 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8167 nla_put_u32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
) ||
8168 nla_put(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
) ||
8169 nla_put_u64(msg
, NL80211_ATTR_COOKIE
, cookie
) ||
8170 (acked
&& nla_put_flag(msg
, NL80211_ATTR_ACK
)))
8171 goto nla_put_failure
;
8173 err
= genlmsg_end(msg
, hdr
);
8179 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
8180 nl80211_mlme_mcgrp
.id
, gfp
);
8184 genlmsg_cancel(msg
, hdr
);
8187 EXPORT_SYMBOL(cfg80211_probe_status
);
8189 void cfg80211_report_obss_beacon(struct wiphy
*wiphy
,
8190 const u8
*frame
, size_t len
,
8191 int freq
, int sig_dbm
, gfp_t gfp
)
8193 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
8194 struct sk_buff
*msg
;
8196 u32 nlpid
= ACCESS_ONCE(rdev
->ap_beacons_nlpid
);
8201 msg
= nlmsg_new(len
+ 100, gfp
);
8205 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
8211 if (nla_put_u32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
) ||
8213 nla_put_u32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
)) ||
8215 nla_put_u32(msg
, NL80211_ATTR_RX_SIGNAL_DBM
, sig_dbm
)) ||
8216 nla_put(msg
, NL80211_ATTR_FRAME
, len
, frame
))
8217 goto nla_put_failure
;
8219 genlmsg_end(msg
, hdr
);
8221 genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlpid
);
8225 genlmsg_cancel(msg
, hdr
);
8228 EXPORT_SYMBOL(cfg80211_report_obss_beacon
);
8230 static int nl80211_netlink_notify(struct notifier_block
* nb
,
8231 unsigned long state
,
8234 struct netlink_notify
*notify
= _notify
;
8235 struct cfg80211_registered_device
*rdev
;
8236 struct wireless_dev
*wdev
;
8238 if (state
!= NETLINK_URELEASE
)
8243 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
) {
8244 list_for_each_entry_rcu(wdev
, &rdev
->netdev_list
, list
)
8245 cfg80211_mlme_unregister_socket(wdev
, notify
->pid
);
8246 if (rdev
->ap_beacons_nlpid
== notify
->pid
)
8247 rdev
->ap_beacons_nlpid
= 0;
8255 static struct notifier_block nl80211_netlink_notifier
= {
8256 .notifier_call
= nl80211_netlink_notify
,
8259 /* initialisation/exit functions */
8261 int nl80211_init(void)
8265 err
= genl_register_family_with_ops(&nl80211_fam
,
8266 nl80211_ops
, ARRAY_SIZE(nl80211_ops
));
8270 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_config_mcgrp
);
8274 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_scan_mcgrp
);
8278 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_regulatory_mcgrp
);
8282 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_mlme_mcgrp
);
8286 #ifdef CONFIG_NL80211_TESTMODE
8287 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_testmode_mcgrp
);
8292 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
8298 genl_unregister_family(&nl80211_fam
);
8302 void nl80211_exit(void)
8304 netlink_unregister_notifier(&nl80211_netlink_notifier
);
8305 genl_unregister_family(&nl80211_fam
);