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 int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
27 struct genl_info
*info
);
28 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
29 struct genl_info
*info
);
31 /* the netlink family */
32 static struct genl_family nl80211_fam
= {
33 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
34 .name
= "nl80211", /* have users key off the name instead */
35 .hdrsize
= 0, /* no private header */
36 .version
= 1, /* no particular meaning now */
37 .maxattr
= NL80211_ATTR_MAX
,
39 .pre_doit
= nl80211_pre_doit
,
40 .post_doit
= nl80211_post_doit
,
43 /* internal helper: get rdev and dev */
44 static int get_rdev_dev_by_info_ifindex(struct genl_info
*info
,
45 struct cfg80211_registered_device
**rdev
,
46 struct net_device
**dev
)
48 struct nlattr
**attrs
= info
->attrs
;
51 if (!attrs
[NL80211_ATTR_IFINDEX
])
54 ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
55 *dev
= dev_get_by_index(genl_info_net(info
), ifindex
);
59 *rdev
= cfg80211_get_dev_from_ifindex(genl_info_net(info
), ifindex
);
62 return PTR_ERR(*rdev
);
68 /* policy for the attributes */
69 static const struct nla_policy nl80211_policy
[NL80211_ATTR_MAX
+1] = {
70 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
71 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
73 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
74 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
75 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
76 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
77 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
78 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
79 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
80 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
82 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
83 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
84 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
86 [NL80211_ATTR_MAC
] = { .type
= NLA_BINARY
, .len
= ETH_ALEN
},
87 [NL80211_ATTR_PREV_BSSID
] = { .type
= NLA_BINARY
, .len
= ETH_ALEN
},
89 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
90 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
91 .len
= WLAN_MAX_KEY_LEN
},
92 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
93 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
94 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
95 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 8 },
96 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
98 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
99 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
100 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
101 .len
= IEEE80211_MAX_DATA_LEN
},
102 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
103 .len
= IEEE80211_MAX_DATA_LEN
},
104 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
105 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
106 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
107 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
108 .len
= NL80211_MAX_SUPP_RATES
},
109 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
110 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
111 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
112 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
113 .len
= IEEE80211_MAX_MESH_ID_LEN
},
114 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
116 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
117 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
119 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
120 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
121 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
122 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
123 .len
= NL80211_MAX_SUPP_RATES
},
124 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
126 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
128 [NL80211_ATTR_HT_CAPABILITY
] = { .type
= NLA_BINARY
,
129 .len
= NL80211_HT_CAPABILITY_LEN
},
131 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
132 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
133 .len
= IEEE80211_MAX_DATA_LEN
},
134 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
135 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
137 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
138 .len
= IEEE80211_MAX_SSID_LEN
},
139 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
140 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
141 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
142 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
143 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
144 [NL80211_ATTR_STA_FLAGS2
] = {
145 .len
= sizeof(struct nl80211_sta_flag_update
),
147 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
148 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
149 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
150 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
151 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
152 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
153 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
154 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
155 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
156 .len
= WLAN_PMKID_LEN
},
157 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
158 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
159 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
160 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
161 .len
= IEEE80211_MAX_DATA_LEN
},
162 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
163 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
164 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
165 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
166 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
167 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
168 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
169 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
170 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
171 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
172 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
173 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
174 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
177 /* policy for the key attributes */
178 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
179 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
180 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
181 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
182 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 8 },
183 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
184 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
185 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
186 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
189 /* policy for the key default flags */
190 static const struct nla_policy
191 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
192 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
193 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
196 /* ifidx get helper */
197 static int nl80211_get_ifidx(struct netlink_callback
*cb
)
201 res
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
202 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
207 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
210 res
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
216 static int nl80211_prepare_netdev_dump(struct sk_buff
*skb
,
217 struct netlink_callback
*cb
,
218 struct cfg80211_registered_device
**rdev
,
219 struct net_device
**dev
)
221 int ifidx
= cb
->args
[0];
225 ifidx
= nl80211_get_ifidx(cb
);
233 *dev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
239 *rdev
= cfg80211_get_dev_from_ifindex(sock_net(skb
->sk
), ifidx
);
241 err
= PTR_ERR(*rdev
);
251 static void nl80211_finish_netdev_dump(struct cfg80211_registered_device
*rdev
)
253 cfg80211_unlock_rdev(rdev
);
258 static bool is_valid_ie_attr(const struct nlattr
*attr
)
266 pos
= nla_data(attr
);
287 /* message building helper */
288 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 pid
, u32 seq
,
291 /* since there is no private header just add the generic one */
292 return genlmsg_put(skb
, pid
, seq
, &nl80211_fam
, flags
, cmd
);
295 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
296 struct ieee80211_channel
*chan
)
298 NLA_PUT_U32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
301 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
302 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_DISABLED
);
303 if (chan
->flags
& IEEE80211_CHAN_PASSIVE_SCAN
)
304 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
);
305 if (chan
->flags
& IEEE80211_CHAN_NO_IBSS
)
306 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_NO_IBSS
);
307 if (chan
->flags
& IEEE80211_CHAN_RADAR
)
308 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_RADAR
);
310 NLA_PUT_U32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
311 DBM_TO_MBM(chan
->max_power
));
319 /* netlink command implementations */
326 bool def_uni
, def_multi
;
329 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
331 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
332 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
337 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
338 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
347 if (tb
[NL80211_KEY_IDX
])
348 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
350 if (tb
[NL80211_KEY_DATA
]) {
351 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
352 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
355 if (tb
[NL80211_KEY_SEQ
]) {
356 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
357 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
360 if (tb
[NL80211_KEY_CIPHER
])
361 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
363 if (tb
[NL80211_KEY_TYPE
]) {
364 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
365 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
369 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
370 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
371 int err
= nla_parse_nested(kdt
,
372 NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
373 tb
[NL80211_KEY_DEFAULT_TYPES
],
374 nl80211_key_default_policy
);
378 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
379 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
385 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
387 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
388 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
389 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
392 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
393 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
394 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
397 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
398 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
400 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
401 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
403 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
404 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
413 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
414 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
415 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
419 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
420 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
421 int err
= nla_parse_nested(
422 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
423 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
424 nl80211_key_default_policy
);
428 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
429 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
435 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
439 memset(k
, 0, sizeof(*k
));
443 if (info
->attrs
[NL80211_ATTR_KEY
])
444 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
446 err
= nl80211_parse_key_old(info
, k
);
451 if (k
->def
&& k
->defmgmt
)
455 if (k
->def_uni
|| !k
->def_multi
)
461 if (k
->idx
< 4 || k
->idx
> 5)
464 if (k
->idx
< 0 || k
->idx
> 3)
467 if (k
->idx
< 0 || k
->idx
> 5)
475 static struct cfg80211_cached_keys
*
476 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
479 struct key_parse parse
;
481 struct cfg80211_cached_keys
*result
;
482 int rem
, err
, def
= 0;
484 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
486 return ERR_PTR(-ENOMEM
);
489 result
->defmgmt
= -1;
491 nla_for_each_nested(key
, keys
, rem
) {
492 memset(&parse
, 0, sizeof(parse
));
495 err
= nl80211_parse_key_new(key
, &parse
);
501 if (parse
.idx
< 0 || parse
.idx
> 4)
507 result
->def
= parse
.idx
;
508 if (!parse
.def_uni
|| !parse
.def_multi
)
510 } else if (parse
.defmgmt
)
512 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
513 parse
.idx
, false, NULL
);
516 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
517 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
518 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
519 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
528 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
530 ASSERT_WDEV_LOCK(wdev
);
532 switch (wdev
->iftype
) {
533 case NL80211_IFTYPE_AP
:
534 case NL80211_IFTYPE_AP_VLAN
:
535 case NL80211_IFTYPE_P2P_GO
:
537 case NL80211_IFTYPE_ADHOC
:
538 if (!wdev
->current_bss
)
541 case NL80211_IFTYPE_STATION
:
542 case NL80211_IFTYPE_P2P_CLIENT
:
543 if (wdev
->sme_state
!= CFG80211_SME_CONNECTED
)
553 static int nl80211_send_wiphy(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
554 struct cfg80211_registered_device
*dev
)
557 struct nlattr
*nl_bands
, *nl_band
;
558 struct nlattr
*nl_freqs
, *nl_freq
;
559 struct nlattr
*nl_rates
, *nl_rate
;
560 struct nlattr
*nl_modes
;
561 struct nlattr
*nl_cmds
;
562 enum ieee80211_band band
;
563 struct ieee80211_channel
*chan
;
564 struct ieee80211_rate
*rate
;
566 u16 ifmodes
= dev
->wiphy
.interface_modes
;
567 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
568 dev
->wiphy
.mgmt_stypes
;
570 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_WIPHY
);
574 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, dev
->wiphy_idx
);
575 NLA_PUT_STRING(msg
, NL80211_ATTR_WIPHY_NAME
, wiphy_name(&dev
->wiphy
));
577 NLA_PUT_U32(msg
, NL80211_ATTR_GENERATION
,
578 cfg80211_rdev_list_generation
);
580 NLA_PUT_U8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
581 dev
->wiphy
.retry_short
);
582 NLA_PUT_U8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
583 dev
->wiphy
.retry_long
);
584 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
585 dev
->wiphy
.frag_threshold
);
586 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
587 dev
->wiphy
.rts_threshold
);
588 NLA_PUT_U8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
589 dev
->wiphy
.coverage_class
);
590 NLA_PUT_U8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
591 dev
->wiphy
.max_scan_ssids
);
592 NLA_PUT_U16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
593 dev
->wiphy
.max_scan_ie_len
);
595 if (dev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
)
596 NLA_PUT_FLAG(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
);
598 NLA_PUT(msg
, NL80211_ATTR_CIPHER_SUITES
,
599 sizeof(u32
) * dev
->wiphy
.n_cipher_suites
,
600 dev
->wiphy
.cipher_suites
);
602 NLA_PUT_U8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
603 dev
->wiphy
.max_num_pmkids
);
605 if (dev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
)
606 NLA_PUT_FLAG(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
);
608 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
609 dev
->wiphy
.available_antennas_tx
);
610 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
611 dev
->wiphy
.available_antennas_rx
);
613 if ((dev
->wiphy
.available_antennas_tx
||
614 dev
->wiphy
.available_antennas_rx
) && dev
->ops
->get_antenna
) {
615 u32 tx_ant
= 0, rx_ant
= 0;
617 res
= dev
->ops
->get_antenna(&dev
->wiphy
, &tx_ant
, &rx_ant
);
619 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_ANTENNA_TX
, tx_ant
);
620 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_ANTENNA_RX
, rx_ant
);
624 nl_modes
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
);
626 goto nla_put_failure
;
631 NLA_PUT_FLAG(msg
, i
);
636 nla_nest_end(msg
, nl_modes
);
638 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
640 goto nla_put_failure
;
642 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
643 if (!dev
->wiphy
.bands
[band
])
646 nl_band
= nla_nest_start(msg
, band
);
648 goto nla_put_failure
;
651 if (dev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
) {
652 NLA_PUT(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
653 sizeof(dev
->wiphy
.bands
[band
]->ht_cap
.mcs
),
654 &dev
->wiphy
.bands
[band
]->ht_cap
.mcs
);
655 NLA_PUT_U16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
656 dev
->wiphy
.bands
[band
]->ht_cap
.cap
);
657 NLA_PUT_U8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
658 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_factor
);
659 NLA_PUT_U8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
660 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_density
);
663 /* add frequencies */
664 nl_freqs
= nla_nest_start(msg
, NL80211_BAND_ATTR_FREQS
);
666 goto nla_put_failure
;
668 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_channels
; i
++) {
669 nl_freq
= nla_nest_start(msg
, i
);
671 goto nla_put_failure
;
673 chan
= &dev
->wiphy
.bands
[band
]->channels
[i
];
675 if (nl80211_msg_put_channel(msg
, chan
))
676 goto nla_put_failure
;
678 nla_nest_end(msg
, nl_freq
);
681 nla_nest_end(msg
, nl_freqs
);
684 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
686 goto nla_put_failure
;
688 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_bitrates
; i
++) {
689 nl_rate
= nla_nest_start(msg
, i
);
691 goto nla_put_failure
;
693 rate
= &dev
->wiphy
.bands
[band
]->bitrates
[i
];
694 NLA_PUT_U32(msg
, NL80211_BITRATE_ATTR_RATE
,
696 if (rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
)
698 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
);
700 nla_nest_end(msg
, nl_rate
);
703 nla_nest_end(msg
, nl_rates
);
705 nla_nest_end(msg
, nl_band
);
707 nla_nest_end(msg
, nl_bands
);
709 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
711 goto nla_put_failure
;
716 if (dev->ops->op) { \
718 NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \
722 CMD(add_virtual_intf
, NEW_INTERFACE
);
723 CMD(change_virtual_intf
, SET_INTERFACE
);
724 CMD(add_key
, NEW_KEY
);
725 CMD(add_beacon
, NEW_BEACON
);
726 CMD(add_station
, NEW_STATION
);
727 CMD(add_mpath
, NEW_MPATH
);
728 CMD(update_mesh_config
, SET_MESH_CONFIG
);
729 CMD(change_bss
, SET_BSS
);
730 CMD(auth
, AUTHENTICATE
);
731 CMD(assoc
, ASSOCIATE
);
732 CMD(deauth
, DEAUTHENTICATE
);
733 CMD(disassoc
, DISASSOCIATE
);
734 CMD(join_ibss
, JOIN_IBSS
);
735 CMD(join_mesh
, JOIN_MESH
);
736 CMD(set_pmksa
, SET_PMKSA
);
737 CMD(del_pmksa
, DEL_PMKSA
);
738 CMD(flush_pmksa
, FLUSH_PMKSA
);
739 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
740 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
742 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
743 if (dev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
745 NLA_PUT_U32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
);
747 CMD(set_channel
, SET_CHANNEL
);
748 CMD(set_wds_peer
, SET_WDS_PEER
);
752 if (dev
->ops
->connect
|| dev
->ops
->auth
) {
754 NLA_PUT_U32(msg
, i
, NL80211_CMD_CONNECT
);
757 if (dev
->ops
->disconnect
|| dev
->ops
->deauth
) {
759 NLA_PUT_U32(msg
, i
, NL80211_CMD_DISCONNECT
);
762 nla_nest_end(msg
, nl_cmds
);
764 if (dev
->ops
->remain_on_channel
)
765 NLA_PUT_U32(msg
, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
766 dev
->wiphy
.max_remain_on_channel_duration
);
768 /* for now at least assume all drivers have it */
769 if (dev
->ops
->mgmt_tx
)
770 NLA_PUT_FLAG(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
);
774 struct nlattr
*nl_ftypes
, *nl_ifs
;
775 enum nl80211_iftype ift
;
777 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
779 goto nla_put_failure
;
781 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
782 nl_ftypes
= nla_nest_start(msg
, ift
);
784 goto nla_put_failure
;
786 stypes
= mgmt_stypes
[ift
].tx
;
789 NLA_PUT_U16(msg
, NL80211_ATTR_FRAME_TYPE
,
790 (i
<< 4) | IEEE80211_FTYPE_MGMT
);
794 nla_nest_end(msg
, nl_ftypes
);
797 nla_nest_end(msg
, nl_ifs
);
799 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
801 goto nla_put_failure
;
803 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
804 nl_ftypes
= nla_nest_start(msg
, ift
);
806 goto nla_put_failure
;
808 stypes
= mgmt_stypes
[ift
].rx
;
811 NLA_PUT_U16(msg
, NL80211_ATTR_FRAME_TYPE
,
812 (i
<< 4) | IEEE80211_FTYPE_MGMT
);
816 nla_nest_end(msg
, nl_ftypes
);
818 nla_nest_end(msg
, nl_ifs
);
821 return genlmsg_end(msg
, hdr
);
824 genlmsg_cancel(msg
, hdr
);
828 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
831 int start
= cb
->args
[0];
832 struct cfg80211_registered_device
*dev
;
834 mutex_lock(&cfg80211_mutex
);
835 list_for_each_entry(dev
, &cfg80211_rdev_list
, list
) {
836 if (!net_eq(wiphy_net(&dev
->wiphy
), sock_net(skb
->sk
)))
840 if (nl80211_send_wiphy(skb
, NETLINK_CB(cb
->skb
).pid
,
841 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
847 mutex_unlock(&cfg80211_mutex
);
854 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
857 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
859 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
863 if (nl80211_send_wiphy(msg
, info
->snd_pid
, info
->snd_seq
, 0, dev
) < 0) {
868 return genlmsg_reply(msg
, info
);
871 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
872 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
873 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
874 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
875 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
876 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
879 static int parse_txq_params(struct nlattr
*tb
[],
880 struct ieee80211_txq_params
*txq_params
)
882 if (!tb
[NL80211_TXQ_ATTR_QUEUE
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
883 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
884 !tb
[NL80211_TXQ_ATTR_AIFS
])
887 txq_params
->queue
= nla_get_u8(tb
[NL80211_TXQ_ATTR_QUEUE
]);
888 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
889 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
890 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
891 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
896 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
899 * You can only set the channel explicitly for AP, mesh
900 * and WDS type interfaces; all others have their channel
901 * managed via their respective "establish a connection"
902 * command (connect, join, ...)
904 * Monitors are special as they are normally slaved to
905 * whatever else is going on, so they behave as though
906 * you tried setting the wiphy channel itself.
909 wdev
->iftype
== NL80211_IFTYPE_AP
||
910 wdev
->iftype
== NL80211_IFTYPE_WDS
||
911 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
912 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
913 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
916 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
917 struct wireless_dev
*wdev
,
918 struct genl_info
*info
)
920 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
924 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
927 if (!nl80211_can_set_dev_channel(wdev
))
930 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
931 channel_type
= nla_get_u32(info
->attrs
[
932 NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
933 if (channel_type
!= NL80211_CHAN_NO_HT
&&
934 channel_type
!= NL80211_CHAN_HT20
&&
935 channel_type
!= NL80211_CHAN_HT40PLUS
&&
936 channel_type
!= NL80211_CHAN_HT40MINUS
)
940 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
942 mutex_lock(&rdev
->devlist_mtx
);
945 result
= cfg80211_set_freq(rdev
, wdev
, freq
, channel_type
);
948 result
= cfg80211_set_freq(rdev
, NULL
, freq
, channel_type
);
950 mutex_unlock(&rdev
->devlist_mtx
);
955 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
957 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
958 struct net_device
*netdev
= info
->user_ptr
[1];
960 return __nl80211_set_channel(rdev
, netdev
->ieee80211_ptr
, info
);
963 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
965 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
966 struct net_device
*dev
= info
->user_ptr
[1];
967 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
970 if (!info
->attrs
[NL80211_ATTR_MAC
])
973 if (netif_running(dev
))
976 if (!rdev
->ops
->set_wds_peer
)
979 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
982 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
983 return rdev
->ops
->set_wds_peer(wdev
->wiphy
, dev
, bssid
);
987 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
989 struct cfg80211_registered_device
*rdev
;
990 struct net_device
*netdev
= NULL
;
991 struct wireless_dev
*wdev
;
992 int result
= 0, rem_txq_params
= 0;
993 struct nlattr
*nl_txq_params
;
995 u8 retry_short
= 0, retry_long
= 0;
996 u32 frag_threshold
= 0, rts_threshold
= 0;
997 u8 coverage_class
= 0;
1000 * Try to find the wiphy and netdev. Normally this
1001 * function shouldn't need the netdev, but this is
1002 * done for backward compatibility -- previously
1003 * setting the channel was done per wiphy, but now
1004 * it is per netdev. Previous userland like hostapd
1005 * also passed a netdev to set_wiphy, so that it is
1006 * possible to let that go to the right netdev!
1008 mutex_lock(&cfg80211_mutex
);
1010 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
1011 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
1013 netdev
= dev_get_by_index(genl_info_net(info
), ifindex
);
1014 if (netdev
&& netdev
->ieee80211_ptr
) {
1015 rdev
= wiphy_to_dev(netdev
->ieee80211_ptr
->wiphy
);
1016 mutex_lock(&rdev
->mtx
);
1022 rdev
= __cfg80211_rdev_from_info(info
);
1024 mutex_unlock(&cfg80211_mutex
);
1025 return PTR_ERR(rdev
);
1031 mutex_lock(&rdev
->mtx
);
1032 } else if (netif_running(netdev
) &&
1033 nl80211_can_set_dev_channel(netdev
->ieee80211_ptr
))
1034 wdev
= netdev
->ieee80211_ptr
;
1039 * end workaround code, by now the rdev is available
1040 * and locked, and wdev may or may not be NULL.
1043 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
1044 result
= cfg80211_dev_rename(
1045 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
1047 mutex_unlock(&cfg80211_mutex
);
1052 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
1053 struct ieee80211_txq_params txq_params
;
1054 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
1056 if (!rdev
->ops
->set_txq_params
) {
1057 result
= -EOPNOTSUPP
;
1061 nla_for_each_nested(nl_txq_params
,
1062 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
1064 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
1065 nla_data(nl_txq_params
),
1066 nla_len(nl_txq_params
),
1068 result
= parse_txq_params(tb
, &txq_params
);
1072 result
= rdev
->ops
->set_txq_params(&rdev
->wiphy
,
1079 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
1080 result
= __nl80211_set_channel(rdev
, wdev
, info
);
1085 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
1086 enum nl80211_tx_power_setting type
;
1089 if (!rdev
->ops
->set_tx_power
) {
1090 result
= -EOPNOTSUPP
;
1094 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
1095 type
= nla_get_u32(info
->attrs
[idx
]);
1097 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
1098 (type
!= NL80211_TX_POWER_AUTOMATIC
)) {
1103 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
1104 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
1105 mbm
= nla_get_u32(info
->attrs
[idx
]);
1108 result
= rdev
->ops
->set_tx_power(&rdev
->wiphy
, type
, mbm
);
1113 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
1114 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
1116 if ((!rdev
->wiphy
.available_antennas_tx
&&
1117 !rdev
->wiphy
.available_antennas_rx
) ||
1118 !rdev
->ops
->set_antenna
) {
1119 result
= -EOPNOTSUPP
;
1123 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
1124 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
1126 /* reject antenna configurations which don't match the
1127 * available antenna masks, except for the "all" mask */
1128 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
1129 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
))) {
1134 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
1135 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
1137 result
= rdev
->ops
->set_antenna(&rdev
->wiphy
, tx_ant
, rx_ant
);
1144 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
1145 retry_short
= nla_get_u8(
1146 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
1147 if (retry_short
== 0) {
1151 changed
|= WIPHY_PARAM_RETRY_SHORT
;
1154 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
1155 retry_long
= nla_get_u8(
1156 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
1157 if (retry_long
== 0) {
1161 changed
|= WIPHY_PARAM_RETRY_LONG
;
1164 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
1165 frag_threshold
= nla_get_u32(
1166 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
1167 if (frag_threshold
< 256) {
1171 if (frag_threshold
!= (u32
) -1) {
1173 * Fragments (apart from the last one) are required to
1174 * have even length. Make the fragmentation code
1175 * simpler by stripping LSB should someone try to use
1176 * odd threshold value.
1178 frag_threshold
&= ~0x1;
1180 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
1183 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
1184 rts_threshold
= nla_get_u32(
1185 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
1186 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
1189 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
1190 coverage_class
= nla_get_u8(
1191 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
1192 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
1196 u8 old_retry_short
, old_retry_long
;
1197 u32 old_frag_threshold
, old_rts_threshold
;
1198 u8 old_coverage_class
;
1200 if (!rdev
->ops
->set_wiphy_params
) {
1201 result
= -EOPNOTSUPP
;
1205 old_retry_short
= rdev
->wiphy
.retry_short
;
1206 old_retry_long
= rdev
->wiphy
.retry_long
;
1207 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
1208 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
1209 old_coverage_class
= rdev
->wiphy
.coverage_class
;
1211 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1212 rdev
->wiphy
.retry_short
= retry_short
;
1213 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1214 rdev
->wiphy
.retry_long
= retry_long
;
1215 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
1216 rdev
->wiphy
.frag_threshold
= frag_threshold
;
1217 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
1218 rdev
->wiphy
.rts_threshold
= rts_threshold
;
1219 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
1220 rdev
->wiphy
.coverage_class
= coverage_class
;
1222 result
= rdev
->ops
->set_wiphy_params(&rdev
->wiphy
, changed
);
1224 rdev
->wiphy
.retry_short
= old_retry_short
;
1225 rdev
->wiphy
.retry_long
= old_retry_long
;
1226 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
1227 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
1228 rdev
->wiphy
.coverage_class
= old_coverage_class
;
1233 mutex_unlock(&rdev
->mtx
);
1240 static int nl80211_send_iface(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
1241 struct cfg80211_registered_device
*rdev
,
1242 struct net_device
*dev
)
1246 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
1250 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1251 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
1252 NLA_PUT_STRING(msg
, NL80211_ATTR_IFNAME
, dev
->name
);
1253 NLA_PUT_U32(msg
, NL80211_ATTR_IFTYPE
, dev
->ieee80211_ptr
->iftype
);
1255 NLA_PUT_U32(msg
, NL80211_ATTR_GENERATION
,
1256 rdev
->devlist_generation
^
1257 (cfg80211_rdev_list_generation
<< 2));
1259 return genlmsg_end(msg
, hdr
);
1262 genlmsg_cancel(msg
, hdr
);
1266 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1270 int wp_start
= cb
->args
[0];
1271 int if_start
= cb
->args
[1];
1272 struct cfg80211_registered_device
*rdev
;
1273 struct wireless_dev
*wdev
;
1275 mutex_lock(&cfg80211_mutex
);
1276 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1277 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1279 if (wp_idx
< wp_start
) {
1285 mutex_lock(&rdev
->devlist_mtx
);
1286 list_for_each_entry(wdev
, &rdev
->netdev_list
, list
) {
1287 if (if_idx
< if_start
) {
1291 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).pid
,
1292 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1293 rdev
, wdev
->netdev
) < 0) {
1294 mutex_unlock(&rdev
->devlist_mtx
);
1299 mutex_unlock(&rdev
->devlist_mtx
);
1304 mutex_unlock(&cfg80211_mutex
);
1306 cb
->args
[0] = wp_idx
;
1307 cb
->args
[1] = if_idx
;
1312 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1314 struct sk_buff
*msg
;
1315 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1316 struct net_device
*netdev
= info
->user_ptr
[1];
1318 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1322 if (nl80211_send_iface(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1328 return genlmsg_reply(msg
, info
);
1331 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
1332 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
1333 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
1334 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
1335 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
1336 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
1339 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
1341 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
1349 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
1350 nla
, mntr_flags_policy
))
1353 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
1355 *mntrflags
|= (1<<flag
);
1360 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
1361 struct net_device
*netdev
, u8 use_4addr
,
1362 enum nl80211_iftype iftype
)
1365 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
1371 case NL80211_IFTYPE_AP_VLAN
:
1372 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
1375 case NL80211_IFTYPE_STATION
:
1376 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
1386 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1388 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1389 struct vif_params params
;
1391 enum nl80211_iftype otype
, ntype
;
1392 struct net_device
*dev
= info
->user_ptr
[1];
1393 u32 _flags
, *flags
= NULL
;
1394 bool change
= false;
1396 memset(¶ms
, 0, sizeof(params
));
1398 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
1400 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
1401 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
1404 if (ntype
> NL80211_IFTYPE_MAX
)
1408 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
1409 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1411 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
1413 if (netif_running(dev
))
1417 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
1418 IEEE80211_MAX_MESH_ID_LEN
);
1419 wdev
->mesh_id_up_len
=
1420 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
1421 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
1422 wdev
->mesh_id_up_len
);
1426 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
1427 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
1429 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
1433 params
.use_4addr
= -1;
1436 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
1437 if (ntype
!= NL80211_IFTYPE_MONITOR
)
1439 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
1449 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
1453 if (!err
&& params
.use_4addr
!= -1)
1454 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
1459 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1461 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1462 struct vif_params params
;
1463 struct net_device
*dev
;
1465 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
1468 memset(¶ms
, 0, sizeof(params
));
1470 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
1473 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
1474 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
1475 if (type
> NL80211_IFTYPE_MAX
)
1479 if (!rdev
->ops
->add_virtual_intf
||
1480 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
1483 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
1484 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
1485 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
1490 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
1491 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
1493 dev
= rdev
->ops
->add_virtual_intf(&rdev
->wiphy
,
1494 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
1495 type
, err
? NULL
: &flags
, ¶ms
);
1497 return PTR_ERR(dev
);
1499 if (type
== NL80211_IFTYPE_MESH_POINT
&&
1500 info
->attrs
[NL80211_ATTR_MESH_ID
]) {
1501 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1504 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
1505 IEEE80211_MAX_MESH_ID_LEN
);
1506 wdev
->mesh_id_up_len
=
1507 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
1508 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
1509 wdev
->mesh_id_up_len
);
1516 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1518 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1519 struct net_device
*dev
= info
->user_ptr
[1];
1521 if (!rdev
->ops
->del_virtual_intf
)
1524 return rdev
->ops
->del_virtual_intf(&rdev
->wiphy
, dev
);
1527 struct get_key_cookie
{
1528 struct sk_buff
*msg
;
1533 static void get_key_callback(void *c
, struct key_params
*params
)
1536 struct get_key_cookie
*cookie
= c
;
1539 NLA_PUT(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
1540 params
->key_len
, params
->key
);
1543 NLA_PUT(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
1544 params
->seq_len
, params
->seq
);
1547 NLA_PUT_U32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
1550 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
1552 goto nla_put_failure
;
1555 NLA_PUT(cookie
->msg
, NL80211_KEY_DATA
,
1556 params
->key_len
, params
->key
);
1559 NLA_PUT(cookie
->msg
, NL80211_KEY_SEQ
,
1560 params
->seq_len
, params
->seq
);
1563 NLA_PUT_U32(cookie
->msg
, NL80211_KEY_CIPHER
,
1566 NLA_PUT_U8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
);
1568 nla_nest_end(cookie
->msg
, key
);
1575 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
1577 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1579 struct net_device
*dev
= info
->user_ptr
[1];
1581 const u8
*mac_addr
= NULL
;
1583 struct get_key_cookie cookie
= {
1587 struct sk_buff
*msg
;
1589 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
1590 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
1595 if (info
->attrs
[NL80211_ATTR_MAC
])
1596 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1598 pairwise
= !!mac_addr
;
1599 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
1600 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
1601 if (kt
>= NUM_NL80211_KEYTYPES
)
1603 if (kt
!= NL80211_KEYTYPE_GROUP
&&
1604 kt
!= NL80211_KEYTYPE_PAIRWISE
)
1606 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
1609 if (!rdev
->ops
->get_key
)
1612 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1616 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1617 NL80211_CMD_NEW_KEY
);
1619 return PTR_ERR(hdr
);
1622 cookie
.idx
= key_idx
;
1624 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1625 NLA_PUT_U8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
);
1627 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
);
1629 if (pairwise
&& mac_addr
&&
1630 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
1633 err
= rdev
->ops
->get_key(&rdev
->wiphy
, dev
, key_idx
, pairwise
,
1634 mac_addr
, &cookie
, get_key_callback
);
1640 goto nla_put_failure
;
1642 genlmsg_end(msg
, hdr
);
1643 return genlmsg_reply(msg
, info
);
1652 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
1654 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1655 struct key_parse key
;
1657 struct net_device
*dev
= info
->user_ptr
[1];
1659 err
= nl80211_parse_key(info
, &key
);
1666 /* only support setting default key */
1667 if (!key
.def
&& !key
.defmgmt
)
1670 wdev_lock(dev
->ieee80211_ptr
);
1673 if (!rdev
->ops
->set_default_key
) {
1678 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
1682 err
= rdev
->ops
->set_default_key(&rdev
->wiphy
, dev
, key
.idx
,
1683 key
.def_uni
, key
.def_multi
);
1688 #ifdef CONFIG_CFG80211_WEXT
1689 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
1692 if (key
.def_uni
|| !key
.def_multi
) {
1697 if (!rdev
->ops
->set_default_mgmt_key
) {
1702 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
1706 err
= rdev
->ops
->set_default_mgmt_key(&rdev
->wiphy
,
1711 #ifdef CONFIG_CFG80211_WEXT
1712 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
1717 wdev_unlock(dev
->ieee80211_ptr
);
1722 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
1724 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1726 struct net_device
*dev
= info
->user_ptr
[1];
1727 struct key_parse key
;
1728 const u8
*mac_addr
= NULL
;
1730 err
= nl80211_parse_key(info
, &key
);
1737 if (info
->attrs
[NL80211_ATTR_MAC
])
1738 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1740 if (key
.type
== -1) {
1742 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
1744 key
.type
= NL80211_KEYTYPE_GROUP
;
1748 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
1749 key
.type
!= NL80211_KEYTYPE_GROUP
)
1752 if (!rdev
->ops
->add_key
)
1755 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
1756 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
1760 wdev_lock(dev
->ieee80211_ptr
);
1761 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
1763 err
= rdev
->ops
->add_key(&rdev
->wiphy
, dev
, key
.idx
,
1764 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
1766 wdev_unlock(dev
->ieee80211_ptr
);
1771 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
1773 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1775 struct net_device
*dev
= info
->user_ptr
[1];
1776 u8
*mac_addr
= NULL
;
1777 struct key_parse key
;
1779 err
= nl80211_parse_key(info
, &key
);
1783 if (info
->attrs
[NL80211_ATTR_MAC
])
1784 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1786 if (key
.type
== -1) {
1788 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
1790 key
.type
= NL80211_KEYTYPE_GROUP
;
1794 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
1795 key
.type
!= NL80211_KEYTYPE_GROUP
)
1798 if (!rdev
->ops
->del_key
)
1801 wdev_lock(dev
->ieee80211_ptr
);
1802 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
1804 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
1805 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
1809 err
= rdev
->ops
->del_key(&rdev
->wiphy
, dev
, key
.idx
,
1810 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
1813 #ifdef CONFIG_CFG80211_WEXT
1815 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
1816 dev
->ieee80211_ptr
->wext
.default_key
= -1;
1817 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
1818 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
1821 wdev_unlock(dev
->ieee80211_ptr
);
1826 static int nl80211_addset_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
1828 int (*call
)(struct wiphy
*wiphy
, struct net_device
*dev
,
1829 struct beacon_parameters
*info
);
1830 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1831 struct net_device
*dev
= info
->user_ptr
[1];
1832 struct beacon_parameters params
;
1835 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]))
1838 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
1839 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
1842 switch (info
->genlhdr
->cmd
) {
1843 case NL80211_CMD_NEW_BEACON
:
1844 /* these are required for NEW_BEACON */
1845 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
1846 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
1847 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
1850 call
= rdev
->ops
->add_beacon
;
1852 case NL80211_CMD_SET_BEACON
:
1853 call
= rdev
->ops
->set_beacon
;
1863 memset(¶ms
, 0, sizeof(params
));
1865 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
1867 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
1871 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
1872 params
.dtim_period
=
1873 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
1877 if (info
->attrs
[NL80211_ATTR_BEACON_HEAD
]) {
1878 params
.head
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
1880 nla_len(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
1884 if (info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) {
1885 params
.tail
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
1887 nla_len(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
1894 return call(&rdev
->wiphy
, dev
, ¶ms
);
1897 static int nl80211_del_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
1899 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1900 struct net_device
*dev
= info
->user_ptr
[1];
1902 if (!rdev
->ops
->del_beacon
)
1905 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
1906 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
1909 return rdev
->ops
->del_beacon(&rdev
->wiphy
, dev
);
1912 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
1913 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
1914 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
1915 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
1916 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
1919 static int parse_station_flags(struct genl_info
*info
,
1920 struct station_parameters
*params
)
1922 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
1927 * Try parsing the new attribute first so userspace
1928 * can specify both for older kernels.
1930 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
1932 struct nl80211_sta_flag_update
*sta_flags
;
1934 sta_flags
= nla_data(nla
);
1935 params
->sta_flags_mask
= sta_flags
->mask
;
1936 params
->sta_flags_set
= sta_flags
->set
;
1937 if ((params
->sta_flags_mask
|
1938 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
1943 /* if present, parse the old attribute */
1945 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
1949 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
1950 nla
, sta_flags_policy
))
1953 params
->sta_flags_mask
= (1 << __NL80211_STA_FLAG_AFTER_LAST
) - 1;
1954 params
->sta_flags_mask
&= ~1;
1956 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++)
1958 params
->sta_flags_set
|= (1<<flag
);
1963 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
1966 struct nlattr
*rate
;
1969 rate
= nla_nest_start(msg
, attr
);
1971 goto nla_put_failure
;
1973 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
1974 bitrate
= cfg80211_calculate_bitrate(info
);
1976 NLA_PUT_U16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate
);
1978 if (info
->flags
& RATE_INFO_FLAGS_MCS
)
1979 NLA_PUT_U8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
);
1980 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
)
1981 NLA_PUT_FLAG(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
);
1982 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
)
1983 NLA_PUT_FLAG(msg
, NL80211_RATE_INFO_SHORT_GI
);
1985 nla_nest_end(msg
, rate
);
1992 static int nl80211_send_station(struct sk_buff
*msg
, u32 pid
, u32 seq
,
1993 int flags
, struct net_device
*dev
,
1994 const u8
*mac_addr
, struct station_info
*sinfo
)
1997 struct nlattr
*sinfoattr
;
1999 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
2003 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
2004 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
);
2006 NLA_PUT_U32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
);
2008 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
2010 goto nla_put_failure
;
2011 if (sinfo
->filled
& STATION_INFO_INACTIVE_TIME
)
2012 NLA_PUT_U32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
2013 sinfo
->inactive_time
);
2014 if (sinfo
->filled
& STATION_INFO_RX_BYTES
)
2015 NLA_PUT_U32(msg
, NL80211_STA_INFO_RX_BYTES
,
2017 if (sinfo
->filled
& STATION_INFO_TX_BYTES
)
2018 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_BYTES
,
2020 if (sinfo
->filled
& STATION_INFO_LLID
)
2021 NLA_PUT_U16(msg
, NL80211_STA_INFO_LLID
,
2023 if (sinfo
->filled
& STATION_INFO_PLID
)
2024 NLA_PUT_U16(msg
, NL80211_STA_INFO_PLID
,
2026 if (sinfo
->filled
& STATION_INFO_PLINK_STATE
)
2027 NLA_PUT_U8(msg
, NL80211_STA_INFO_PLINK_STATE
,
2028 sinfo
->plink_state
);
2029 if (sinfo
->filled
& STATION_INFO_SIGNAL
)
2030 NLA_PUT_U8(msg
, NL80211_STA_INFO_SIGNAL
,
2032 if (sinfo
->filled
& STATION_INFO_SIGNAL_AVG
)
2033 NLA_PUT_U8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
2035 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
2036 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
2037 NL80211_STA_INFO_TX_BITRATE
))
2038 goto nla_put_failure
;
2040 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
2041 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
2042 NL80211_STA_INFO_RX_BITRATE
))
2043 goto nla_put_failure
;
2045 if (sinfo
->filled
& STATION_INFO_RX_PACKETS
)
2046 NLA_PUT_U32(msg
, NL80211_STA_INFO_RX_PACKETS
,
2048 if (sinfo
->filled
& STATION_INFO_TX_PACKETS
)
2049 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_PACKETS
,
2051 if (sinfo
->filled
& STATION_INFO_TX_RETRIES
)
2052 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_RETRIES
,
2054 if (sinfo
->filled
& STATION_INFO_TX_FAILED
)
2055 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_FAILED
,
2057 nla_nest_end(msg
, sinfoattr
);
2059 return genlmsg_end(msg
, hdr
);
2062 genlmsg_cancel(msg
, hdr
);
2066 static int nl80211_dump_station(struct sk_buff
*skb
,
2067 struct netlink_callback
*cb
)
2069 struct station_info sinfo
;
2070 struct cfg80211_registered_device
*dev
;
2071 struct net_device
*netdev
;
2072 u8 mac_addr
[ETH_ALEN
];
2073 int sta_idx
= cb
->args
[1];
2076 err
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
2080 if (!dev
->ops
->dump_station
) {
2086 err
= dev
->ops
->dump_station(&dev
->wiphy
, netdev
, sta_idx
,
2093 if (nl80211_send_station(skb
,
2094 NETLINK_CB(cb
->skb
).pid
,
2095 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2105 cb
->args
[1] = sta_idx
;
2108 nl80211_finish_netdev_dump(dev
);
2113 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
2115 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2116 struct net_device
*dev
= info
->user_ptr
[1];
2117 struct station_info sinfo
;
2118 struct sk_buff
*msg
;
2119 u8
*mac_addr
= NULL
;
2122 memset(&sinfo
, 0, sizeof(sinfo
));
2124 if (!info
->attrs
[NL80211_ATTR_MAC
])
2127 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2129 if (!rdev
->ops
->get_station
)
2132 err
= rdev
->ops
->get_station(&rdev
->wiphy
, dev
, mac_addr
, &sinfo
);
2136 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2140 if (nl80211_send_station(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2141 dev
, mac_addr
, &sinfo
) < 0) {
2146 return genlmsg_reply(msg
, info
);
2150 * Get vlan interface making sure it is running and on the right wiphy.
2152 static int get_vlan(struct genl_info
*info
,
2153 struct cfg80211_registered_device
*rdev
,
2154 struct net_device
**vlan
)
2156 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
2160 *vlan
= dev_get_by_index(genl_info_net(info
),
2161 nla_get_u32(vlanattr
));
2164 if (!(*vlan
)->ieee80211_ptr
)
2166 if ((*vlan
)->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
)
2168 if (!netif_running(*vlan
))
2174 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
2176 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2178 struct net_device
*dev
= info
->user_ptr
[1];
2179 struct station_parameters params
;
2180 u8
*mac_addr
= NULL
;
2182 memset(¶ms
, 0, sizeof(params
));
2184 params
.listen_interval
= -1;
2186 if (info
->attrs
[NL80211_ATTR_STA_AID
])
2189 if (!info
->attrs
[NL80211_ATTR_MAC
])
2192 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2194 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
2195 params
.supported_rates
=
2196 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2197 params
.supported_rates_len
=
2198 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2201 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
2202 params
.listen_interval
=
2203 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
2205 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
2207 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
2209 if (parse_station_flags(info
, ¶ms
))
2212 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
2213 params
.plink_action
=
2214 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
2216 err
= get_vlan(info
, rdev
, ¶ms
.vlan
);
2220 /* validate settings */
2223 switch (dev
->ieee80211_ptr
->iftype
) {
2224 case NL80211_IFTYPE_AP
:
2225 case NL80211_IFTYPE_AP_VLAN
:
2226 case NL80211_IFTYPE_P2P_GO
:
2227 /* disallow mesh-specific things */
2228 if (params
.plink_action
)
2231 case NL80211_IFTYPE_P2P_CLIENT
:
2232 case NL80211_IFTYPE_STATION
:
2233 /* disallow everything but AUTHORIZED flag */
2234 if (params
.plink_action
)
2238 if (params
.supported_rates
)
2242 if (params
.listen_interval
>= 0)
2244 if (params
.sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
2247 case NL80211_IFTYPE_MESH_POINT
:
2248 /* disallow things mesh doesn't support */
2253 if (params
.listen_interval
>= 0)
2255 if (params
.supported_rates
)
2257 if (params
.sta_flags_mask
)
2267 if (!rdev
->ops
->change_station
) {
2272 err
= rdev
->ops
->change_station(&rdev
->wiphy
, dev
, mac_addr
, ¶ms
);
2276 dev_put(params
.vlan
);
2281 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
2283 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2285 struct net_device
*dev
= info
->user_ptr
[1];
2286 struct station_parameters params
;
2287 u8
*mac_addr
= NULL
;
2289 memset(¶ms
, 0, sizeof(params
));
2291 if (!info
->attrs
[NL80211_ATTR_MAC
])
2294 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
2297 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
2300 if (!info
->attrs
[NL80211_ATTR_STA_AID
])
2303 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2304 params
.supported_rates
=
2305 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2306 params
.supported_rates_len
=
2307 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2308 params
.listen_interval
=
2309 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
2311 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
2312 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
2315 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
2317 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
2319 if (parse_station_flags(info
, ¶ms
))
2322 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2323 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
2324 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2327 err
= get_vlan(info
, rdev
, ¶ms
.vlan
);
2331 /* validate settings */
2334 if (!rdev
->ops
->add_station
) {
2339 err
= rdev
->ops
->add_station(&rdev
->wiphy
, dev
, mac_addr
, ¶ms
);
2343 dev_put(params
.vlan
);
2347 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
2349 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2350 struct net_device
*dev
= info
->user_ptr
[1];
2351 u8
*mac_addr
= NULL
;
2353 if (info
->attrs
[NL80211_ATTR_MAC
])
2354 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2356 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2357 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
2358 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
2359 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2362 if (!rdev
->ops
->del_station
)
2365 return rdev
->ops
->del_station(&rdev
->wiphy
, dev
, mac_addr
);
2368 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 pid
, u32 seq
,
2369 int flags
, struct net_device
*dev
,
2370 u8
*dst
, u8
*next_hop
,
2371 struct mpath_info
*pinfo
)
2374 struct nlattr
*pinfoattr
;
2376 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
2380 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
2381 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
);
2382 NLA_PUT(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
);
2384 NLA_PUT_U32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
);
2386 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
2388 goto nla_put_failure
;
2389 if (pinfo
->filled
& MPATH_INFO_FRAME_QLEN
)
2390 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
2392 if (pinfo
->filled
& MPATH_INFO_SN
)
2393 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_SN
,
2395 if (pinfo
->filled
& MPATH_INFO_METRIC
)
2396 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_METRIC
,
2398 if (pinfo
->filled
& MPATH_INFO_EXPTIME
)
2399 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_EXPTIME
,
2401 if (pinfo
->filled
& MPATH_INFO_FLAGS
)
2402 NLA_PUT_U8(msg
, NL80211_MPATH_INFO_FLAGS
,
2404 if (pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
)
2405 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
2406 pinfo
->discovery_timeout
);
2407 if (pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
)
2408 NLA_PUT_U8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
2409 pinfo
->discovery_retries
);
2411 nla_nest_end(msg
, pinfoattr
);
2413 return genlmsg_end(msg
, hdr
);
2416 genlmsg_cancel(msg
, hdr
);
2420 static int nl80211_dump_mpath(struct sk_buff
*skb
,
2421 struct netlink_callback
*cb
)
2423 struct mpath_info pinfo
;
2424 struct cfg80211_registered_device
*dev
;
2425 struct net_device
*netdev
;
2427 u8 next_hop
[ETH_ALEN
];
2428 int path_idx
= cb
->args
[1];
2431 err
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
2435 if (!dev
->ops
->dump_mpath
) {
2440 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
2446 err
= dev
->ops
->dump_mpath(&dev
->wiphy
, netdev
, path_idx
,
2447 dst
, next_hop
, &pinfo
);
2453 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).pid
,
2454 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2455 netdev
, dst
, next_hop
,
2464 cb
->args
[1] = path_idx
;
2467 nl80211_finish_netdev_dump(dev
);
2471 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2473 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2475 struct net_device
*dev
= info
->user_ptr
[1];
2476 struct mpath_info pinfo
;
2477 struct sk_buff
*msg
;
2479 u8 next_hop
[ETH_ALEN
];
2481 memset(&pinfo
, 0, sizeof(pinfo
));
2483 if (!info
->attrs
[NL80211_ATTR_MAC
])
2486 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2488 if (!rdev
->ops
->get_mpath
)
2491 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
2494 err
= rdev
->ops
->get_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
, &pinfo
);
2498 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2502 if (nl80211_send_mpath(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2503 dev
, dst
, next_hop
, &pinfo
) < 0) {
2508 return genlmsg_reply(msg
, info
);
2511 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2513 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2514 struct net_device
*dev
= info
->user_ptr
[1];
2516 u8
*next_hop
= NULL
;
2518 if (!info
->attrs
[NL80211_ATTR_MAC
])
2521 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
2524 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2525 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
2527 if (!rdev
->ops
->change_mpath
)
2530 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
2533 return rdev
->ops
->change_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
);
2536 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2538 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2539 struct net_device
*dev
= info
->user_ptr
[1];
2541 u8
*next_hop
= NULL
;
2543 if (!info
->attrs
[NL80211_ATTR_MAC
])
2546 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
2549 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2550 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
2552 if (!rdev
->ops
->add_mpath
)
2555 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
2558 return rdev
->ops
->add_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
);
2561 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2563 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2564 struct net_device
*dev
= info
->user_ptr
[1];
2567 if (info
->attrs
[NL80211_ATTR_MAC
])
2568 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2570 if (!rdev
->ops
->del_mpath
)
2573 return rdev
->ops
->del_mpath(&rdev
->wiphy
, dev
, dst
);
2576 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
2578 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2579 struct net_device
*dev
= info
->user_ptr
[1];
2580 struct bss_parameters params
;
2582 memset(¶ms
, 0, sizeof(params
));
2583 /* default to not changing parameters */
2584 params
.use_cts_prot
= -1;
2585 params
.use_short_preamble
= -1;
2586 params
.use_short_slot_time
= -1;
2587 params
.ap_isolate
= -1;
2588 params
.ht_opmode
= -1;
2590 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
2591 params
.use_cts_prot
=
2592 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
2593 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
2594 params
.use_short_preamble
=
2595 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
2596 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
2597 params
.use_short_slot_time
=
2598 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
2599 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
2600 params
.basic_rates
=
2601 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
2602 params
.basic_rates_len
=
2603 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
2605 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
2606 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
2607 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
2609 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
2611 if (!rdev
->ops
->change_bss
)
2614 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2615 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2618 return rdev
->ops
->change_bss(&rdev
->wiphy
, dev
, ¶ms
);
2621 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
2622 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
2623 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
2624 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
2625 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
2626 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
2627 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
2630 static int parse_reg_rule(struct nlattr
*tb
[],
2631 struct ieee80211_reg_rule
*reg_rule
)
2633 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
2634 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
2636 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
2638 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
2640 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
2642 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
2644 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
2647 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
2649 freq_range
->start_freq_khz
=
2650 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
2651 freq_range
->end_freq_khz
=
2652 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
2653 freq_range
->max_bandwidth_khz
=
2654 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
2656 power_rule
->max_eirp
=
2657 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
2659 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
2660 power_rule
->max_antenna_gain
=
2661 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
2666 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
2672 * You should only get this when cfg80211 hasn't yet initialized
2673 * completely when built-in to the kernel right between the time
2674 * window between nl80211_init() and regulatory_init(), if that is
2677 mutex_lock(&cfg80211_mutex
);
2678 if (unlikely(!cfg80211_regdomain
)) {
2679 mutex_unlock(&cfg80211_mutex
);
2680 return -EINPROGRESS
;
2682 mutex_unlock(&cfg80211_mutex
);
2684 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
2687 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
2689 r
= regulatory_hint_user(data
);
2694 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
2695 struct genl_info
*info
)
2697 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2698 struct net_device
*dev
= info
->user_ptr
[1];
2699 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2700 struct mesh_config cur_params
;
2703 struct nlattr
*pinfoattr
;
2704 struct sk_buff
*msg
;
2706 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
2709 if (!rdev
->ops
->get_mesh_config
)
2713 /* If not connected, get default parameters */
2714 if (!wdev
->mesh_id_len
)
2715 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
2717 err
= rdev
->ops
->get_mesh_config(&rdev
->wiphy
, dev
,
2724 /* Draw up a netlink message to send back */
2725 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2728 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2729 NL80211_CMD_GET_MESH_CONFIG
);
2732 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
2734 goto nla_put_failure
;
2735 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
2736 NLA_PUT_U16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
2737 cur_params
.dot11MeshRetryTimeout
);
2738 NLA_PUT_U16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
2739 cur_params
.dot11MeshConfirmTimeout
);
2740 NLA_PUT_U16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
2741 cur_params
.dot11MeshHoldingTimeout
);
2742 NLA_PUT_U16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
2743 cur_params
.dot11MeshMaxPeerLinks
);
2744 NLA_PUT_U8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
2745 cur_params
.dot11MeshMaxRetries
);
2746 NLA_PUT_U8(msg
, NL80211_MESHCONF_TTL
,
2747 cur_params
.dot11MeshTTL
);
2748 NLA_PUT_U8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
2749 cur_params
.element_ttl
);
2750 NLA_PUT_U8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
2751 cur_params
.auto_open_plinks
);
2752 NLA_PUT_U8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
2753 cur_params
.dot11MeshHWMPmaxPREQretries
);
2754 NLA_PUT_U32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
2755 cur_params
.path_refresh_time
);
2756 NLA_PUT_U16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
2757 cur_params
.min_discovery_timeout
);
2758 NLA_PUT_U32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
2759 cur_params
.dot11MeshHWMPactivePathTimeout
);
2760 NLA_PUT_U16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
2761 cur_params
.dot11MeshHWMPpreqMinInterval
);
2762 NLA_PUT_U16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
2763 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
);
2764 NLA_PUT_U8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
2765 cur_params
.dot11MeshHWMPRootMode
);
2766 nla_nest_end(msg
, pinfoattr
);
2767 genlmsg_end(msg
, hdr
);
2768 return genlmsg_reply(msg
, info
);
2771 genlmsg_cancel(msg
, hdr
);
2777 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
2778 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
2779 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
2780 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
2781 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
2782 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
2783 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
2784 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
2785 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
2787 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
2788 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
2789 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
2790 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
2791 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
2792 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
2795 static const struct nla_policy
2796 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
2797 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
2798 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
2799 [NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE
] = { .type
= NLA_BINARY
,
2800 .len
= IEEE80211_MAX_DATA_LEN
},
2803 static int nl80211_parse_mesh_config(struct genl_info
*info
,
2804 struct mesh_config
*cfg
,
2807 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
2810 #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
2812 if (table[attr_num]) {\
2813 cfg->param = nla_fn(table[attr_num]); \
2814 mask |= (1 << (attr_num - 1)); \
2819 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
2821 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
2822 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
2823 nl80211_meshconf_params_policy
))
2826 /* This makes sure that there aren't more than 32 mesh config
2827 * parameters (otherwise our bitfield scheme would not work.) */
2828 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
2830 /* Fill in the params struct */
2831 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
,
2832 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
, nla_get_u16
);
2833 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
,
2834 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
, nla_get_u16
);
2835 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
,
2836 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
, nla_get_u16
);
2837 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
,
2838 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
, nla_get_u16
);
2839 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
,
2840 mask
, NL80211_MESHCONF_MAX_RETRIES
, nla_get_u8
);
2841 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
,
2842 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
2843 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
,
2844 mask
, NL80211_MESHCONF_ELEMENT_TTL
, nla_get_u8
);
2845 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
,
2846 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
, nla_get_u8
);
2847 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
,
2848 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
2850 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
,
2851 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
, nla_get_u32
);
2852 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
,
2853 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
2855 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
2856 mask
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
2858 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
2859 mask
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
2861 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
2862 dot11MeshHWMPnetDiameterTraversalTime
,
2863 mask
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
2865 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
2866 dot11MeshHWMPRootMode
, mask
,
2867 NL80211_MESHCONF_HWMP_ROOTMODE
,
2874 #undef FILL_IN_MESH_PARAM_IF_SET
2877 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
2878 struct mesh_setup
*setup
)
2880 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
2882 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
2884 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
2885 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
2886 nl80211_mesh_setup_params_policy
))
2889 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
2890 setup
->path_sel_proto
=
2891 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
2892 IEEE80211_PATH_PROTOCOL_VENDOR
:
2893 IEEE80211_PATH_PROTOCOL_HWMP
;
2895 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
2896 setup
->path_metric
=
2897 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
2898 IEEE80211_PATH_METRIC_VENDOR
:
2899 IEEE80211_PATH_METRIC_AIRTIME
;
2901 if (tb
[NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE
]) {
2902 struct nlattr
*ieattr
=
2903 tb
[NL80211_MESH_SETUP_VENDOR_PATH_SEL_IE
];
2904 if (!is_valid_ie_attr(ieattr
))
2906 setup
->vendor_ie
= nla_data(ieattr
);
2907 setup
->vendor_ie_len
= nla_len(ieattr
);
2913 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
2914 struct genl_info
*info
)
2916 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2917 struct net_device
*dev
= info
->user_ptr
[1];
2918 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2919 struct mesh_config cfg
;
2923 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
2926 if (!rdev
->ops
->update_mesh_config
)
2929 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
2934 if (!wdev
->mesh_id_len
)
2938 err
= rdev
->ops
->update_mesh_config(&rdev
->wiphy
, dev
,
2946 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
2948 struct sk_buff
*msg
;
2950 struct nlattr
*nl_reg_rules
;
2954 mutex_lock(&cfg80211_mutex
);
2956 if (!cfg80211_regdomain
)
2959 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2965 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2966 NL80211_CMD_GET_REG
);
2970 NLA_PUT_STRING(msg
, NL80211_ATTR_REG_ALPHA2
,
2971 cfg80211_regdomain
->alpha2
);
2973 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
2975 goto nla_put_failure
;
2977 for (i
= 0; i
< cfg80211_regdomain
->n_reg_rules
; i
++) {
2978 struct nlattr
*nl_reg_rule
;
2979 const struct ieee80211_reg_rule
*reg_rule
;
2980 const struct ieee80211_freq_range
*freq_range
;
2981 const struct ieee80211_power_rule
*power_rule
;
2983 reg_rule
= &cfg80211_regdomain
->reg_rules
[i
];
2984 freq_range
= ®_rule
->freq_range
;
2985 power_rule
= ®_rule
->power_rule
;
2987 nl_reg_rule
= nla_nest_start(msg
, i
);
2989 goto nla_put_failure
;
2991 NLA_PUT_U32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
2993 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
2994 freq_range
->start_freq_khz
);
2995 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
2996 freq_range
->end_freq_khz
);
2997 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
2998 freq_range
->max_bandwidth_khz
);
2999 NLA_PUT_U32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
3000 power_rule
->max_antenna_gain
);
3001 NLA_PUT_U32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
3002 power_rule
->max_eirp
);
3004 nla_nest_end(msg
, nl_reg_rule
);
3007 nla_nest_end(msg
, nl_reg_rules
);
3009 genlmsg_end(msg
, hdr
);
3010 err
= genlmsg_reply(msg
, info
);
3014 genlmsg_cancel(msg
, hdr
);
3019 mutex_unlock(&cfg80211_mutex
);
3023 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
3025 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
3026 struct nlattr
*nl_reg_rule
;
3027 char *alpha2
= NULL
;
3028 int rem_reg_rules
= 0, r
= 0;
3029 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
3030 struct ieee80211_regdomain
*rd
= NULL
;
3032 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
3035 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
3038 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
3040 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
3043 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
3047 mutex_lock(&cfg80211_mutex
);
3049 if (!reg_is_valid_request(alpha2
)) {
3054 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
3055 (num_rules
* sizeof(struct ieee80211_reg_rule
));
3057 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
3063 rd
->n_reg_rules
= num_rules
;
3064 rd
->alpha2
[0] = alpha2
[0];
3065 rd
->alpha2
[1] = alpha2
[1];
3067 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
3069 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
3070 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
3072 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
3078 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
3084 BUG_ON(rule_idx
!= num_rules
);
3088 mutex_unlock(&cfg80211_mutex
);
3093 mutex_unlock(&cfg80211_mutex
);
3098 static int validate_scan_freqs(struct nlattr
*freqs
)
3100 struct nlattr
*attr1
, *attr2
;
3101 int n_channels
= 0, tmp1
, tmp2
;
3103 nla_for_each_nested(attr1
, freqs
, tmp1
) {
3106 * Some hardware has a limited channel list for
3107 * scanning, and it is pretty much nonsensical
3108 * to scan for a channel twice, so disallow that
3109 * and don't require drivers to check that the
3110 * channel list they get isn't longer than what
3111 * they can scan, as long as they can scan all
3112 * the channels they registered at once.
3114 nla_for_each_nested(attr2
, freqs
, tmp2
)
3115 if (attr1
!= attr2
&&
3116 nla_get_u32(attr1
) == nla_get_u32(attr2
))
3123 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
3125 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3126 struct net_device
*dev
= info
->user_ptr
[1];
3127 struct cfg80211_scan_request
*request
;
3128 struct cfg80211_ssid
*ssid
;
3129 struct ieee80211_channel
*channel
;
3130 struct nlattr
*attr
;
3131 struct wiphy
*wiphy
;
3132 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
3133 enum ieee80211_band band
;
3136 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3139 wiphy
= &rdev
->wiphy
;
3141 if (!rdev
->ops
->scan
)
3147 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
3148 n_channels
= validate_scan_freqs(
3149 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
3155 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
3156 if (wiphy
->bands
[band
])
3157 n_channels
+= wiphy
->bands
[band
]->n_channels
;
3160 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
3161 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
3164 if (n_ssids
> wiphy
->max_scan_ssids
)
3167 if (info
->attrs
[NL80211_ATTR_IE
])
3168 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3172 if (ie_len
> wiphy
->max_scan_ie_len
)
3175 request
= kzalloc(sizeof(*request
)
3176 + sizeof(*ssid
) * n_ssids
3177 + sizeof(channel
) * n_channels
3178 + ie_len
, GFP_KERNEL
);
3183 request
->ssids
= (void *)&request
->channels
[n_channels
];
3184 request
->n_ssids
= n_ssids
;
3187 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
3189 request
->ie
= (void *)(request
->channels
+ n_channels
);
3193 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
3194 /* user specified, bail out if channel not found */
3195 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
3196 struct ieee80211_channel
*chan
;
3198 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
3205 /* ignore disabled channels */
3206 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
3209 request
->channels
[i
] = chan
;
3214 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
3216 if (!wiphy
->bands
[band
])
3218 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
3219 struct ieee80211_channel
*chan
;
3221 chan
= &wiphy
->bands
[band
]->channels
[j
];
3223 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
3226 request
->channels
[i
] = chan
;
3237 request
->n_channels
= i
;
3240 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
3241 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
3242 request
->ssids
[i
].ssid_len
= nla_len(attr
);
3243 if (request
->ssids
[i
].ssid_len
> IEEE80211_MAX_SSID_LEN
) {
3247 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
3252 if (info
->attrs
[NL80211_ATTR_IE
]) {
3253 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3254 memcpy((void *)request
->ie
,
3255 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
3260 request
->wiphy
= &rdev
->wiphy
;
3262 rdev
->scan_req
= request
;
3263 err
= rdev
->ops
->scan(&rdev
->wiphy
, dev
, request
);
3266 nl80211_send_scan_start(rdev
, dev
);
3270 rdev
->scan_req
= NULL
;
3277 static int nl80211_send_bss(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
3278 struct cfg80211_registered_device
*rdev
,
3279 struct wireless_dev
*wdev
,
3280 struct cfg80211_internal_bss
*intbss
)
3282 struct cfg80211_bss
*res
= &intbss
->pub
;
3287 ASSERT_WDEV_LOCK(wdev
);
3289 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
,
3290 NL80211_CMD_NEW_SCAN_RESULTS
);
3294 NLA_PUT_U32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
);
3295 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
);
3297 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
3299 goto nla_put_failure
;
3300 if (!is_zero_ether_addr(res
->bssid
))
3301 NLA_PUT(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
);
3302 if (res
->information_elements
&& res
->len_information_elements
)
3303 NLA_PUT(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
3304 res
->len_information_elements
,
3305 res
->information_elements
);
3306 if (res
->beacon_ies
&& res
->len_beacon_ies
&&
3307 res
->beacon_ies
!= res
->information_elements
)
3308 NLA_PUT(msg
, NL80211_BSS_BEACON_IES
,
3309 res
->len_beacon_ies
, res
->beacon_ies
);
3311 NLA_PUT_U64(msg
, NL80211_BSS_TSF
, res
->tsf
);
3312 if (res
->beacon_interval
)
3313 NLA_PUT_U16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
);
3314 NLA_PUT_U16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
);
3315 NLA_PUT_U32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
);
3316 NLA_PUT_U32(msg
, NL80211_BSS_SEEN_MS_AGO
,
3317 jiffies_to_msecs(jiffies
- intbss
->ts
));
3319 switch (rdev
->wiphy
.signal_type
) {
3320 case CFG80211_SIGNAL_TYPE_MBM
:
3321 NLA_PUT_U32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
);
3323 case CFG80211_SIGNAL_TYPE_UNSPEC
:
3324 NLA_PUT_U8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
);
3330 switch (wdev
->iftype
) {
3331 case NL80211_IFTYPE_P2P_CLIENT
:
3332 case NL80211_IFTYPE_STATION
:
3333 if (intbss
== wdev
->current_bss
)
3334 NLA_PUT_U32(msg
, NL80211_BSS_STATUS
,
3335 NL80211_BSS_STATUS_ASSOCIATED
);
3336 else for (i
= 0; i
< MAX_AUTH_BSSES
; i
++) {
3337 if (intbss
!= wdev
->auth_bsses
[i
])
3339 NLA_PUT_U32(msg
, NL80211_BSS_STATUS
,
3340 NL80211_BSS_STATUS_AUTHENTICATED
);
3344 case NL80211_IFTYPE_ADHOC
:
3345 if (intbss
== wdev
->current_bss
)
3346 NLA_PUT_U32(msg
, NL80211_BSS_STATUS
,
3347 NL80211_BSS_STATUS_IBSS_JOINED
);
3353 nla_nest_end(msg
, bss
);
3355 return genlmsg_end(msg
, hdr
);
3358 genlmsg_cancel(msg
, hdr
);
3362 static int nl80211_dump_scan(struct sk_buff
*skb
,
3363 struct netlink_callback
*cb
)
3365 struct cfg80211_registered_device
*rdev
;
3366 struct net_device
*dev
;
3367 struct cfg80211_internal_bss
*scan
;
3368 struct wireless_dev
*wdev
;
3369 int start
= cb
->args
[1], idx
= 0;
3372 err
= nl80211_prepare_netdev_dump(skb
, cb
, &rdev
, &dev
);
3376 wdev
= dev
->ieee80211_ptr
;
3379 spin_lock_bh(&rdev
->bss_lock
);
3380 cfg80211_bss_expire(rdev
);
3382 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
3385 if (nl80211_send_bss(skb
,
3386 NETLINK_CB(cb
->skb
).pid
,
3387 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3388 rdev
, wdev
, scan
) < 0) {
3394 spin_unlock_bh(&rdev
->bss_lock
);
3398 nl80211_finish_netdev_dump(rdev
);
3403 static int nl80211_send_survey(struct sk_buff
*msg
, u32 pid
, u32 seq
,
3404 int flags
, struct net_device
*dev
,
3405 struct survey_info
*survey
)
3408 struct nlattr
*infoattr
;
3410 /* Survey without a channel doesn't make sense */
3411 if (!survey
->channel
)
3414 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
,
3415 NL80211_CMD_NEW_SURVEY_RESULTS
);
3419 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
3421 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
3423 goto nla_put_failure
;
3425 NLA_PUT_U32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
3426 survey
->channel
->center_freq
);
3427 if (survey
->filled
& SURVEY_INFO_NOISE_DBM
)
3428 NLA_PUT_U8(msg
, NL80211_SURVEY_INFO_NOISE
,
3430 if (survey
->filled
& SURVEY_INFO_IN_USE
)
3431 NLA_PUT_FLAG(msg
, NL80211_SURVEY_INFO_IN_USE
);
3432 if (survey
->filled
& SURVEY_INFO_CHANNEL_TIME
)
3433 NLA_PUT_U64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
3434 survey
->channel_time
);
3435 if (survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
)
3436 NLA_PUT_U64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
3437 survey
->channel_time_busy
);
3438 if (survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
)
3439 NLA_PUT_U64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
3440 survey
->channel_time_ext_busy
);
3441 if (survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
)
3442 NLA_PUT_U64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
3443 survey
->channel_time_rx
);
3444 if (survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
)
3445 NLA_PUT_U64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
3446 survey
->channel_time_tx
);
3448 nla_nest_end(msg
, infoattr
);
3450 return genlmsg_end(msg
, hdr
);
3453 genlmsg_cancel(msg
, hdr
);
3457 static int nl80211_dump_survey(struct sk_buff
*skb
,
3458 struct netlink_callback
*cb
)
3460 struct survey_info survey
;
3461 struct cfg80211_registered_device
*dev
;
3462 struct net_device
*netdev
;
3463 int survey_idx
= cb
->args
[1];
3466 res
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
3470 if (!dev
->ops
->dump_survey
) {
3476 res
= dev
->ops
->dump_survey(&dev
->wiphy
, netdev
, survey_idx
,
3483 if (nl80211_send_survey(skb
,
3484 NETLINK_CB(cb
->skb
).pid
,
3485 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3493 cb
->args
[1] = survey_idx
;
3496 nl80211_finish_netdev_dump(dev
);
3500 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type
)
3502 return auth_type
<= NL80211_AUTHTYPE_MAX
;
3505 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
3507 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
3508 NL80211_WPA_VERSION_2
));
3511 static bool nl80211_valid_akm_suite(u32 akm
)
3513 return akm
== WLAN_AKM_SUITE_8021X
||
3514 akm
== WLAN_AKM_SUITE_PSK
;
3517 static bool nl80211_valid_cipher_suite(u32 cipher
)
3519 return cipher
== WLAN_CIPHER_SUITE_WEP40
||
3520 cipher
== WLAN_CIPHER_SUITE_WEP104
||
3521 cipher
== WLAN_CIPHER_SUITE_TKIP
||
3522 cipher
== WLAN_CIPHER_SUITE_CCMP
||
3523 cipher
== WLAN_CIPHER_SUITE_AES_CMAC
;
3527 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
3529 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3530 struct net_device
*dev
= info
->user_ptr
[1];
3531 struct ieee80211_channel
*chan
;
3532 const u8
*bssid
, *ssid
, *ie
= NULL
;
3533 int err
, ssid_len
, ie_len
= 0;
3534 enum nl80211_auth_type auth_type
;
3535 struct key_parse key
;
3536 bool local_state_change
;
3538 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3541 if (!info
->attrs
[NL80211_ATTR_MAC
])
3544 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
3547 if (!info
->attrs
[NL80211_ATTR_SSID
])
3550 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
3553 err
= nl80211_parse_key(info
, &key
);
3558 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
3560 if (!key
.p
.key
|| !key
.p
.key_len
)
3562 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
3563 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
3564 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
3565 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
3577 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
3578 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
3587 if (!rdev
->ops
->auth
)
3590 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
3591 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
3594 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3595 chan
= ieee80211_get_channel(&rdev
->wiphy
,
3596 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
3597 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
3600 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3601 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3603 if (info
->attrs
[NL80211_ATTR_IE
]) {
3604 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3605 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3608 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3609 if (!nl80211_valid_auth_type(auth_type
))
3612 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
3614 return cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
3615 ssid
, ssid_len
, ie
, ie_len
,
3616 key
.p
.key
, key
.p
.key_len
, key
.idx
,
3617 local_state_change
);
3620 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
3621 struct genl_info
*info
,
3622 struct cfg80211_crypto_settings
*settings
,
3625 memset(settings
, 0, sizeof(*settings
));
3627 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
3629 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
3631 proto
= nla_get_u16(
3632 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
3633 settings
->control_port_ethertype
= cpu_to_be16(proto
);
3634 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
3637 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
3638 settings
->control_port_no_encrypt
= true;
3640 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
3642 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
3646 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
3647 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
3648 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
3650 if (len
% sizeof(u32
))
3653 if (settings
->n_ciphers_pairwise
> cipher_limit
)
3656 memcpy(settings
->ciphers_pairwise
, data
, len
);
3658 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
3659 if (!nl80211_valid_cipher_suite(
3660 settings
->ciphers_pairwise
[i
]))
3664 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
3665 settings
->cipher_group
=
3666 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
3667 if (!nl80211_valid_cipher_suite(settings
->cipher_group
))
3671 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
3672 settings
->wpa_versions
=
3673 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
3674 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
3678 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
3682 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
3683 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
3684 settings
->n_akm_suites
= len
/ sizeof(u32
);
3686 if (len
% sizeof(u32
))
3689 memcpy(settings
->akm_suites
, data
, len
);
3691 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
3692 if (!nl80211_valid_akm_suite(settings
->akm_suites
[i
]))
3699 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
3701 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3702 struct net_device
*dev
= info
->user_ptr
[1];
3703 struct cfg80211_crypto_settings crypto
;
3704 struct ieee80211_channel
*chan
;
3705 const u8
*bssid
, *ssid
, *ie
= NULL
, *prev_bssid
= NULL
;
3706 int err
, ssid_len
, ie_len
= 0;
3707 bool use_mfp
= false;
3709 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3712 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
3713 !info
->attrs
[NL80211_ATTR_SSID
] ||
3714 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
3717 if (!rdev
->ops
->assoc
)
3720 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
3721 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
3724 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3726 chan
= ieee80211_get_channel(&rdev
->wiphy
,
3727 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
3728 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
3731 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3732 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3734 if (info
->attrs
[NL80211_ATTR_IE
]) {
3735 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3736 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3739 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
3740 enum nl80211_mfp mfp
=
3741 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
3742 if (mfp
== NL80211_MFP_REQUIRED
)
3744 else if (mfp
!= NL80211_MFP_NO
)
3748 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
3749 prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
3751 err
= nl80211_crypto_settings(rdev
, info
, &crypto
, 1);
3753 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
, prev_bssid
,
3754 ssid
, ssid_len
, ie
, ie_len
, use_mfp
,
3760 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
3762 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3763 struct net_device
*dev
= info
->user_ptr
[1];
3764 const u8
*ie
= NULL
, *bssid
;
3767 bool local_state_change
;
3769 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3772 if (!info
->attrs
[NL80211_ATTR_MAC
])
3775 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
3778 if (!rdev
->ops
->deauth
)
3781 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
3782 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
3785 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3787 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
3788 if (reason_code
== 0) {
3789 /* Reason Code 0 is reserved */
3793 if (info
->attrs
[NL80211_ATTR_IE
]) {
3794 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3795 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3798 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
3800 return cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
3801 local_state_change
);
3804 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
3806 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3807 struct net_device
*dev
= info
->user_ptr
[1];
3808 const u8
*ie
= NULL
, *bssid
;
3811 bool local_state_change
;
3813 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3816 if (!info
->attrs
[NL80211_ATTR_MAC
])
3819 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
3822 if (!rdev
->ops
->disassoc
)
3825 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
3826 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
3829 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3831 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
3832 if (reason_code
== 0) {
3833 /* Reason Code 0 is reserved */
3837 if (info
->attrs
[NL80211_ATTR_IE
]) {
3838 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3839 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3842 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
3844 return cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
3845 local_state_change
);
3849 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
3850 int mcast_rate
[IEEE80211_NUM_BANDS
],
3853 struct wiphy
*wiphy
= &rdev
->wiphy
;
3857 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
3858 struct ieee80211_supported_band
*sband
;
3860 sband
= wiphy
->bands
[band
];
3864 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
3865 if (sband
->bitrates
[i
].bitrate
== rateval
) {
3866 mcast_rate
[band
] = i
+ 1;
3876 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
3878 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3879 struct net_device
*dev
= info
->user_ptr
[1];
3880 struct cfg80211_ibss_params ibss
;
3881 struct wiphy
*wiphy
;
3882 struct cfg80211_cached_keys
*connkeys
= NULL
;
3885 memset(&ibss
, 0, sizeof(ibss
));
3887 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3890 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
3891 !info
->attrs
[NL80211_ATTR_SSID
] ||
3892 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
3895 ibss
.beacon_interval
= 100;
3897 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
3898 ibss
.beacon_interval
=
3899 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3900 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
3904 if (!rdev
->ops
->join_ibss
)
3907 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
3910 wiphy
= &rdev
->wiphy
;
3912 if (info
->attrs
[NL80211_ATTR_MAC
])
3913 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3914 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3915 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3917 if (info
->attrs
[NL80211_ATTR_IE
]) {
3918 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3919 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3922 ibss
.channel
= ieee80211_get_channel(wiphy
,
3923 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
3924 if (!ibss
.channel
||
3925 ibss
.channel
->flags
& IEEE80211_CHAN_NO_IBSS
||
3926 ibss
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
3929 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
3930 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3932 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
3934 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
3936 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
3937 struct ieee80211_supported_band
*sband
=
3938 wiphy
->bands
[ibss
.channel
->band
];
3944 for (i
= 0; i
< n_rates
; i
++) {
3945 int rate
= (rates
[i
] & 0x7f) * 5;
3948 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
3949 if (sband
->bitrates
[j
].bitrate
== rate
) {
3951 ibss
.basic_rates
|= BIT(j
);
3960 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
3961 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
3962 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
3965 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
3966 connkeys
= nl80211_parse_connkeys(rdev
,
3967 info
->attrs
[NL80211_ATTR_KEYS
]);
3968 if (IS_ERR(connkeys
))
3969 return PTR_ERR(connkeys
);
3972 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
3978 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
3980 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3981 struct net_device
*dev
= info
->user_ptr
[1];
3983 if (!rdev
->ops
->leave_ibss
)
3986 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
3989 return cfg80211_leave_ibss(rdev
, dev
, false);
3992 #ifdef CONFIG_NL80211_TESTMODE
3993 static struct genl_multicast_group nl80211_testmode_mcgrp
= {
3997 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
3999 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4002 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
4006 if (rdev
->ops
->testmode_cmd
) {
4007 rdev
->testmode_info
= info
;
4008 err
= rdev
->ops
->testmode_cmd(&rdev
->wiphy
,
4009 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
4010 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
4011 rdev
->testmode_info
= NULL
;
4017 static struct sk_buff
*
4018 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device
*rdev
,
4019 int approxlen
, u32 pid
, u32 seq
, gfp_t gfp
)
4021 struct sk_buff
*skb
;
4023 struct nlattr
*data
;
4025 skb
= nlmsg_new(approxlen
+ 100, gfp
);
4029 hdr
= nl80211hdr_put(skb
, pid
, seq
, 0, NL80211_CMD_TESTMODE
);
4035 NLA_PUT_U32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
4036 data
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
4038 ((void **)skb
->cb
)[0] = rdev
;
4039 ((void **)skb
->cb
)[1] = hdr
;
4040 ((void **)skb
->cb
)[2] = data
;
4049 struct sk_buff
*cfg80211_testmode_alloc_reply_skb(struct wiphy
*wiphy
,
4052 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
4054 if (WARN_ON(!rdev
->testmode_info
))
4057 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
,
4058 rdev
->testmode_info
->snd_pid
,
4059 rdev
->testmode_info
->snd_seq
,
4062 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb
);
4064 int cfg80211_testmode_reply(struct sk_buff
*skb
)
4066 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
4067 void *hdr
= ((void **)skb
->cb
)[1];
4068 struct nlattr
*data
= ((void **)skb
->cb
)[2];
4070 if (WARN_ON(!rdev
->testmode_info
)) {
4075 nla_nest_end(skb
, data
);
4076 genlmsg_end(skb
, hdr
);
4077 return genlmsg_reply(skb
, rdev
->testmode_info
);
4079 EXPORT_SYMBOL(cfg80211_testmode_reply
);
4081 struct sk_buff
*cfg80211_testmode_alloc_event_skb(struct wiphy
*wiphy
,
4082 int approxlen
, gfp_t gfp
)
4084 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
4086 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
, 0, 0, gfp
);
4088 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb
);
4090 void cfg80211_testmode_event(struct sk_buff
*skb
, gfp_t gfp
)
4092 void *hdr
= ((void **)skb
->cb
)[1];
4093 struct nlattr
*data
= ((void **)skb
->cb
)[2];
4095 nla_nest_end(skb
, data
);
4096 genlmsg_end(skb
, hdr
);
4097 genlmsg_multicast(skb
, 0, nl80211_testmode_mcgrp
.id
, gfp
);
4099 EXPORT_SYMBOL(cfg80211_testmode_event
);
4102 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
4104 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4105 struct net_device
*dev
= info
->user_ptr
[1];
4106 struct cfg80211_connect_params connect
;
4107 struct wiphy
*wiphy
;
4108 struct cfg80211_cached_keys
*connkeys
= NULL
;
4111 memset(&connect
, 0, sizeof(connect
));
4113 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4116 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
4117 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
4120 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
4122 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
4123 if (!nl80211_valid_auth_type(connect
.auth_type
))
4126 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
4128 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
4130 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
4131 NL80211_MAX_NR_CIPHER_SUITES
);
4135 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4136 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4139 wiphy
= &rdev
->wiphy
;
4141 if (info
->attrs
[NL80211_ATTR_MAC
])
4142 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4143 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
4144 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
4146 if (info
->attrs
[NL80211_ATTR_IE
]) {
4147 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
4148 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4151 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
4153 ieee80211_get_channel(wiphy
,
4154 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
4155 if (!connect
.channel
||
4156 connect
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
4160 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
4161 connkeys
= nl80211_parse_connkeys(rdev
,
4162 info
->attrs
[NL80211_ATTR_KEYS
]);
4163 if (IS_ERR(connkeys
))
4164 return PTR_ERR(connkeys
);
4167 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
);
4173 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
4175 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4176 struct net_device
*dev
= info
->user_ptr
[1];
4179 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
4180 reason
= WLAN_REASON_DEAUTH_LEAVING
;
4182 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4187 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4188 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4191 return cfg80211_disconnect(rdev
, dev
, reason
, true);
4194 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
4196 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4201 if (!info
->attrs
[NL80211_ATTR_PID
])
4204 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
4206 net
= get_net_ns_by_pid(pid
);
4208 return PTR_ERR(net
);
4212 /* check if anything to do */
4213 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
4214 err
= cfg80211_switch_netns(rdev
, net
);
4220 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
4222 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4223 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
4224 struct cfg80211_pmksa
*pmksa
) = NULL
;
4225 struct net_device
*dev
= info
->user_ptr
[1];
4226 struct cfg80211_pmksa pmksa
;
4228 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
4230 if (!info
->attrs
[NL80211_ATTR_MAC
])
4233 if (!info
->attrs
[NL80211_ATTR_PMKID
])
4236 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
4237 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4239 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4240 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4243 switch (info
->genlhdr
->cmd
) {
4244 case NL80211_CMD_SET_PMKSA
:
4245 rdev_ops
= rdev
->ops
->set_pmksa
;
4247 case NL80211_CMD_DEL_PMKSA
:
4248 rdev_ops
= rdev
->ops
->del_pmksa
;
4258 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
4261 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
4263 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4264 struct net_device
*dev
= info
->user_ptr
[1];
4266 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4267 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4270 if (!rdev
->ops
->flush_pmksa
)
4273 return rdev
->ops
->flush_pmksa(&rdev
->wiphy
, dev
);
4276 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
4277 struct genl_info
*info
)
4279 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4280 struct net_device
*dev
= info
->user_ptr
[1];
4281 struct ieee80211_channel
*chan
;
4282 struct sk_buff
*msg
;
4285 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
4289 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
4290 !info
->attrs
[NL80211_ATTR_DURATION
])
4293 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
4296 * We should be on that channel for at least one jiffie,
4297 * and more than 5 seconds seems excessive.
4299 if (!duration
|| !msecs_to_jiffies(duration
) ||
4300 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
4303 if (!rdev
->ops
->remain_on_channel
)
4306 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
4307 channel_type
= nla_get_u32(
4308 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
4309 if (channel_type
!= NL80211_CHAN_NO_HT
&&
4310 channel_type
!= NL80211_CHAN_HT20
&&
4311 channel_type
!= NL80211_CHAN_HT40PLUS
&&
4312 channel_type
!= NL80211_CHAN_HT40MINUS
)
4316 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
4317 chan
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
4321 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4325 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
4326 NL80211_CMD_REMAIN_ON_CHANNEL
);
4333 err
= rdev
->ops
->remain_on_channel(&rdev
->wiphy
, dev
, chan
,
4334 channel_type
, duration
, &cookie
);
4339 NLA_PUT_U64(msg
, NL80211_ATTR_COOKIE
, cookie
);
4341 genlmsg_end(msg
, hdr
);
4343 return genlmsg_reply(msg
, info
);
4352 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
4353 struct genl_info
*info
)
4355 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4356 struct net_device
*dev
= info
->user_ptr
[1];
4359 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
4362 if (!rdev
->ops
->cancel_remain_on_channel
)
4365 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
4367 return rdev
->ops
->cancel_remain_on_channel(&rdev
->wiphy
, dev
, cookie
);
4370 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
4371 u8
*rates
, u8 rates_len
)
4376 for (i
= 0; i
< rates_len
; i
++) {
4377 int rate
= (rates
[i
] & 0x7f) * 5;
4379 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
4380 struct ieee80211_rate
*srate
=
4381 &sband
->bitrates
[ridx
];
4382 if (rate
== srate
->bitrate
) {
4387 if (ridx
== sband
->n_bitrates
)
4388 return 0; /* rate not found */
4394 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
4395 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
4396 .len
= NL80211_MAX_SUPP_RATES
},
4399 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
4400 struct genl_info
*info
)
4402 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
4403 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4404 struct cfg80211_bitrate_mask mask
;
4406 struct net_device
*dev
= info
->user_ptr
[1];
4407 struct nlattr
*tx_rates
;
4408 struct ieee80211_supported_band
*sband
;
4410 if (info
->attrs
[NL80211_ATTR_TX_RATES
] == NULL
)
4413 if (!rdev
->ops
->set_bitrate_mask
)
4416 memset(&mask
, 0, sizeof(mask
));
4417 /* Default to all rates enabled */
4418 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
4419 sband
= rdev
->wiphy
.bands
[i
];
4420 mask
.control
[i
].legacy
=
4421 sband
? (1 << sband
->n_bitrates
) - 1 : 0;
4425 * The nested attribute uses enum nl80211_band as the index. This maps
4426 * directly to the enum ieee80211_band values used in cfg80211.
4428 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
)
4430 enum ieee80211_band band
= nla_type(tx_rates
);
4431 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
4433 sband
= rdev
->wiphy
.bands
[band
];
4436 nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
4437 nla_len(tx_rates
), nl80211_txattr_policy
);
4438 if (tb
[NL80211_TXRATE_LEGACY
]) {
4439 mask
.control
[band
].legacy
= rateset_to_mask(
4441 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
4442 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
4443 if (mask
.control
[band
].legacy
== 0)
4448 return rdev
->ops
->set_bitrate_mask(&rdev
->wiphy
, dev
, NULL
, &mask
);
4451 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
4453 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4454 struct net_device
*dev
= info
->user_ptr
[1];
4455 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
4457 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
4460 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
4461 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
4463 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4464 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
4465 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
4466 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4467 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4468 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4469 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4472 /* not much point in registering if we can't reply */
4473 if (!rdev
->ops
->mgmt_tx
)
4476 return cfg80211_mlme_register_mgmt(dev
->ieee80211_ptr
, info
->snd_pid
,
4478 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
4479 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
4482 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
4484 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4485 struct net_device
*dev
= info
->user_ptr
[1];
4486 struct ieee80211_channel
*chan
;
4487 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
4488 bool channel_type_valid
= false;
4493 struct sk_buff
*msg
;
4494 unsigned int wait
= 0;
4497 if (!info
->attrs
[NL80211_ATTR_FRAME
] ||
4498 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
4501 if (!rdev
->ops
->mgmt_tx
)
4504 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4505 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
4506 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
4507 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4508 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4509 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4510 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4513 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
4514 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
4516 wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
4519 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
4520 channel_type
= nla_get_u32(
4521 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
4522 if (channel_type
!= NL80211_CHAN_NO_HT
&&
4523 channel_type
!= NL80211_CHAN_HT20
&&
4524 channel_type
!= NL80211_CHAN_HT40PLUS
&&
4525 channel_type
!= NL80211_CHAN_HT40MINUS
)
4527 channel_type_valid
= true;
4530 offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
4532 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
4533 chan
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
4537 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4541 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
4548 err
= cfg80211_mlme_mgmt_tx(rdev
, dev
, chan
, offchan
, channel_type
,
4549 channel_type_valid
, wait
,
4550 nla_data(info
->attrs
[NL80211_ATTR_FRAME
]),
4551 nla_len(info
->attrs
[NL80211_ATTR_FRAME
]),
4556 NLA_PUT_U64(msg
, NL80211_ATTR_COOKIE
, cookie
);
4558 genlmsg_end(msg
, hdr
);
4559 return genlmsg_reply(msg
, info
);
4568 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
4570 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4571 struct net_device
*dev
= info
->user_ptr
[1];
4574 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
4577 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
4580 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4581 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
4582 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
4583 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4584 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4585 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4588 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
4590 return rdev
->ops
->mgmt_tx_cancel_wait(&rdev
->wiphy
, dev
, cookie
);
4593 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
4595 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4596 struct wireless_dev
*wdev
;
4597 struct net_device
*dev
= info
->user_ptr
[1];
4602 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
4605 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
4607 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
4610 wdev
= dev
->ieee80211_ptr
;
4612 if (!rdev
->ops
->set_power_mgmt
)
4615 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
4617 if (state
== wdev
->ps
)
4620 err
= rdev
->ops
->set_power_mgmt(wdev
->wiphy
, dev
, state
,
4627 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
4629 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4630 enum nl80211_ps_state ps_state
;
4631 struct wireless_dev
*wdev
;
4632 struct net_device
*dev
= info
->user_ptr
[1];
4633 struct sk_buff
*msg
;
4637 wdev
= dev
->ieee80211_ptr
;
4639 if (!rdev
->ops
->set_power_mgmt
)
4642 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4646 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
4647 NL80211_CMD_GET_POWER_SAVE
);
4654 ps_state
= NL80211_PS_ENABLED
;
4656 ps_state
= NL80211_PS_DISABLED
;
4658 NLA_PUT_U32(msg
, NL80211_ATTR_PS_STATE
, ps_state
);
4660 genlmsg_end(msg
, hdr
);
4661 return genlmsg_reply(msg
, info
);
4670 static struct nla_policy
4671 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] __read_mostly
= {
4672 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
4673 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
4674 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
4677 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
4678 s32 threshold
, u32 hysteresis
)
4680 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4681 struct wireless_dev
*wdev
;
4682 struct net_device
*dev
= info
->user_ptr
[1];
4687 wdev
= dev
->ieee80211_ptr
;
4689 if (!rdev
->ops
->set_cqm_rssi_config
)
4692 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
4693 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4696 return rdev
->ops
->set_cqm_rssi_config(wdev
->wiphy
, dev
,
4697 threshold
, hysteresis
);
4700 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
4702 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
4706 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
4712 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
4713 nl80211_attr_cqm_policy
);
4717 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
4718 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
4721 threshold
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
4722 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
4723 err
= nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
4731 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
4733 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4734 struct net_device
*dev
= info
->user_ptr
[1];
4735 struct mesh_config cfg
;
4736 struct mesh_setup setup
;
4739 /* start with default */
4740 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
4741 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
4743 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
4744 /* and parse parameters if given */
4745 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
4750 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
4751 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
4754 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
4755 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
4757 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
4758 /* parse additional setup parameters if given */
4759 err
= nl80211_parse_mesh_setup(info
, &setup
);
4764 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
4767 static int nl80211_leave_mesh(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];
4772 return cfg80211_leave_mesh(rdev
, dev
);
4775 #define NL80211_FLAG_NEED_WIPHY 0x01
4776 #define NL80211_FLAG_NEED_NETDEV 0x02
4777 #define NL80211_FLAG_NEED_RTNL 0x04
4778 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
4779 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
4780 NL80211_FLAG_CHECK_NETDEV_UP)
4782 static int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
4783 struct genl_info
*info
)
4785 struct cfg80211_registered_device
*rdev
;
4786 struct net_device
*dev
;
4788 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
4793 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
4794 rdev
= cfg80211_get_dev_from_info(info
);
4798 return PTR_ERR(rdev
);
4800 info
->user_ptr
[0] = rdev
;
4801 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
4802 err
= get_rdev_dev_by_info_ifindex(info
, &rdev
, &dev
);
4808 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
4809 !netif_running(dev
)) {
4810 cfg80211_unlock_rdev(rdev
);
4816 info
->user_ptr
[0] = rdev
;
4817 info
->user_ptr
[1] = dev
;
4823 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
4824 struct genl_info
*info
)
4826 if (info
->user_ptr
[0])
4827 cfg80211_unlock_rdev(info
->user_ptr
[0]);
4828 if (info
->user_ptr
[1])
4829 dev_put(info
->user_ptr
[1]);
4830 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
4834 static struct genl_ops nl80211_ops
[] = {
4836 .cmd
= NL80211_CMD_GET_WIPHY
,
4837 .doit
= nl80211_get_wiphy
,
4838 .dumpit
= nl80211_dump_wiphy
,
4839 .policy
= nl80211_policy
,
4840 /* can be retrieved by unprivileged users */
4841 .internal_flags
= NL80211_FLAG_NEED_WIPHY
,
4844 .cmd
= NL80211_CMD_SET_WIPHY
,
4845 .doit
= nl80211_set_wiphy
,
4846 .policy
= nl80211_policy
,
4847 .flags
= GENL_ADMIN_PERM
,
4848 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
4851 .cmd
= NL80211_CMD_GET_INTERFACE
,
4852 .doit
= nl80211_get_interface
,
4853 .dumpit
= nl80211_dump_interface
,
4854 .policy
= nl80211_policy
,
4855 /* can be retrieved by unprivileged users */
4856 .internal_flags
= NL80211_FLAG_NEED_NETDEV
,
4859 .cmd
= NL80211_CMD_SET_INTERFACE
,
4860 .doit
= nl80211_set_interface
,
4861 .policy
= nl80211_policy
,
4862 .flags
= GENL_ADMIN_PERM
,
4863 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4864 NL80211_FLAG_NEED_RTNL
,
4867 .cmd
= NL80211_CMD_NEW_INTERFACE
,
4868 .doit
= nl80211_new_interface
,
4869 .policy
= nl80211_policy
,
4870 .flags
= GENL_ADMIN_PERM
,
4871 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
4872 NL80211_FLAG_NEED_RTNL
,
4875 .cmd
= NL80211_CMD_DEL_INTERFACE
,
4876 .doit
= nl80211_del_interface
,
4877 .policy
= nl80211_policy
,
4878 .flags
= GENL_ADMIN_PERM
,
4879 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4880 NL80211_FLAG_NEED_RTNL
,
4883 .cmd
= NL80211_CMD_GET_KEY
,
4884 .doit
= nl80211_get_key
,
4885 .policy
= nl80211_policy
,
4886 .flags
= GENL_ADMIN_PERM
,
4887 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4888 NL80211_FLAG_NEED_RTNL
,
4891 .cmd
= NL80211_CMD_SET_KEY
,
4892 .doit
= nl80211_set_key
,
4893 .policy
= nl80211_policy
,
4894 .flags
= GENL_ADMIN_PERM
,
4895 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4896 NL80211_FLAG_NEED_RTNL
,
4899 .cmd
= NL80211_CMD_NEW_KEY
,
4900 .doit
= nl80211_new_key
,
4901 .policy
= nl80211_policy
,
4902 .flags
= GENL_ADMIN_PERM
,
4903 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4904 NL80211_FLAG_NEED_RTNL
,
4907 .cmd
= NL80211_CMD_DEL_KEY
,
4908 .doit
= nl80211_del_key
,
4909 .policy
= nl80211_policy
,
4910 .flags
= GENL_ADMIN_PERM
,
4911 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4912 NL80211_FLAG_NEED_RTNL
,
4915 .cmd
= NL80211_CMD_SET_BEACON
,
4916 .policy
= nl80211_policy
,
4917 .flags
= GENL_ADMIN_PERM
,
4918 .doit
= nl80211_addset_beacon
,
4919 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4920 NL80211_FLAG_NEED_RTNL
,
4923 .cmd
= NL80211_CMD_NEW_BEACON
,
4924 .policy
= nl80211_policy
,
4925 .flags
= GENL_ADMIN_PERM
,
4926 .doit
= nl80211_addset_beacon
,
4927 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4928 NL80211_FLAG_NEED_RTNL
,
4931 .cmd
= NL80211_CMD_DEL_BEACON
,
4932 .policy
= nl80211_policy
,
4933 .flags
= GENL_ADMIN_PERM
,
4934 .doit
= nl80211_del_beacon
,
4935 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4936 NL80211_FLAG_NEED_RTNL
,
4939 .cmd
= NL80211_CMD_GET_STATION
,
4940 .doit
= nl80211_get_station
,
4941 .dumpit
= nl80211_dump_station
,
4942 .policy
= nl80211_policy
,
4943 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4944 NL80211_FLAG_NEED_RTNL
,
4947 .cmd
= NL80211_CMD_SET_STATION
,
4948 .doit
= nl80211_set_station
,
4949 .policy
= nl80211_policy
,
4950 .flags
= GENL_ADMIN_PERM
,
4951 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4952 NL80211_FLAG_NEED_RTNL
,
4955 .cmd
= NL80211_CMD_NEW_STATION
,
4956 .doit
= nl80211_new_station
,
4957 .policy
= nl80211_policy
,
4958 .flags
= GENL_ADMIN_PERM
,
4959 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4960 NL80211_FLAG_NEED_RTNL
,
4963 .cmd
= NL80211_CMD_DEL_STATION
,
4964 .doit
= nl80211_del_station
,
4965 .policy
= nl80211_policy
,
4966 .flags
= GENL_ADMIN_PERM
,
4967 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4968 NL80211_FLAG_NEED_RTNL
,
4971 .cmd
= NL80211_CMD_GET_MPATH
,
4972 .doit
= nl80211_get_mpath
,
4973 .dumpit
= nl80211_dump_mpath
,
4974 .policy
= nl80211_policy
,
4975 .flags
= GENL_ADMIN_PERM
,
4976 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4977 NL80211_FLAG_NEED_RTNL
,
4980 .cmd
= NL80211_CMD_SET_MPATH
,
4981 .doit
= nl80211_set_mpath
,
4982 .policy
= nl80211_policy
,
4983 .flags
= GENL_ADMIN_PERM
,
4984 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4985 NL80211_FLAG_NEED_RTNL
,
4988 .cmd
= NL80211_CMD_NEW_MPATH
,
4989 .doit
= nl80211_new_mpath
,
4990 .policy
= nl80211_policy
,
4991 .flags
= GENL_ADMIN_PERM
,
4992 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4993 NL80211_FLAG_NEED_RTNL
,
4996 .cmd
= NL80211_CMD_DEL_MPATH
,
4997 .doit
= nl80211_del_mpath
,
4998 .policy
= nl80211_policy
,
4999 .flags
= GENL_ADMIN_PERM
,
5000 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5001 NL80211_FLAG_NEED_RTNL
,
5004 .cmd
= NL80211_CMD_SET_BSS
,
5005 .doit
= nl80211_set_bss
,
5006 .policy
= nl80211_policy
,
5007 .flags
= GENL_ADMIN_PERM
,
5008 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5009 NL80211_FLAG_NEED_RTNL
,
5012 .cmd
= NL80211_CMD_GET_REG
,
5013 .doit
= nl80211_get_reg
,
5014 .policy
= nl80211_policy
,
5015 /* can be retrieved by unprivileged users */
5018 .cmd
= NL80211_CMD_SET_REG
,
5019 .doit
= nl80211_set_reg
,
5020 .policy
= nl80211_policy
,
5021 .flags
= GENL_ADMIN_PERM
,
5024 .cmd
= NL80211_CMD_REQ_SET_REG
,
5025 .doit
= nl80211_req_set_reg
,
5026 .policy
= nl80211_policy
,
5027 .flags
= GENL_ADMIN_PERM
,
5030 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
5031 .doit
= nl80211_get_mesh_config
,
5032 .policy
= nl80211_policy
,
5033 /* can be retrieved by unprivileged users */
5034 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5035 NL80211_FLAG_NEED_RTNL
,
5038 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
5039 .doit
= nl80211_update_mesh_config
,
5040 .policy
= nl80211_policy
,
5041 .flags
= GENL_ADMIN_PERM
,
5042 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5043 NL80211_FLAG_NEED_RTNL
,
5046 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
5047 .doit
= nl80211_trigger_scan
,
5048 .policy
= nl80211_policy
,
5049 .flags
= GENL_ADMIN_PERM
,
5050 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5051 NL80211_FLAG_NEED_RTNL
,
5054 .cmd
= NL80211_CMD_GET_SCAN
,
5055 .policy
= nl80211_policy
,
5056 .dumpit
= nl80211_dump_scan
,
5059 .cmd
= NL80211_CMD_AUTHENTICATE
,
5060 .doit
= nl80211_authenticate
,
5061 .policy
= nl80211_policy
,
5062 .flags
= GENL_ADMIN_PERM
,
5063 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5064 NL80211_FLAG_NEED_RTNL
,
5067 .cmd
= NL80211_CMD_ASSOCIATE
,
5068 .doit
= nl80211_associate
,
5069 .policy
= nl80211_policy
,
5070 .flags
= GENL_ADMIN_PERM
,
5071 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5072 NL80211_FLAG_NEED_RTNL
,
5075 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
5076 .doit
= nl80211_deauthenticate
,
5077 .policy
= nl80211_policy
,
5078 .flags
= GENL_ADMIN_PERM
,
5079 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5080 NL80211_FLAG_NEED_RTNL
,
5083 .cmd
= NL80211_CMD_DISASSOCIATE
,
5084 .doit
= nl80211_disassociate
,
5085 .policy
= nl80211_policy
,
5086 .flags
= GENL_ADMIN_PERM
,
5087 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5088 NL80211_FLAG_NEED_RTNL
,
5091 .cmd
= NL80211_CMD_JOIN_IBSS
,
5092 .doit
= nl80211_join_ibss
,
5093 .policy
= nl80211_policy
,
5094 .flags
= GENL_ADMIN_PERM
,
5095 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5096 NL80211_FLAG_NEED_RTNL
,
5099 .cmd
= NL80211_CMD_LEAVE_IBSS
,
5100 .doit
= nl80211_leave_ibss
,
5101 .policy
= nl80211_policy
,
5102 .flags
= GENL_ADMIN_PERM
,
5103 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5104 NL80211_FLAG_NEED_RTNL
,
5106 #ifdef CONFIG_NL80211_TESTMODE
5108 .cmd
= NL80211_CMD_TESTMODE
,
5109 .doit
= nl80211_testmode_do
,
5110 .policy
= nl80211_policy
,
5111 .flags
= GENL_ADMIN_PERM
,
5112 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
5113 NL80211_FLAG_NEED_RTNL
,
5117 .cmd
= NL80211_CMD_CONNECT
,
5118 .doit
= nl80211_connect
,
5119 .policy
= nl80211_policy
,
5120 .flags
= GENL_ADMIN_PERM
,
5121 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5122 NL80211_FLAG_NEED_RTNL
,
5125 .cmd
= NL80211_CMD_DISCONNECT
,
5126 .doit
= nl80211_disconnect
,
5127 .policy
= nl80211_policy
,
5128 .flags
= GENL_ADMIN_PERM
,
5129 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5130 NL80211_FLAG_NEED_RTNL
,
5133 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
5134 .doit
= nl80211_wiphy_netns
,
5135 .policy
= nl80211_policy
,
5136 .flags
= GENL_ADMIN_PERM
,
5137 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
5138 NL80211_FLAG_NEED_RTNL
,
5141 .cmd
= NL80211_CMD_GET_SURVEY
,
5142 .policy
= nl80211_policy
,
5143 .dumpit
= nl80211_dump_survey
,
5146 .cmd
= NL80211_CMD_SET_PMKSA
,
5147 .doit
= nl80211_setdel_pmksa
,
5148 .policy
= nl80211_policy
,
5149 .flags
= GENL_ADMIN_PERM
,
5150 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5151 NL80211_FLAG_NEED_RTNL
,
5154 .cmd
= NL80211_CMD_DEL_PMKSA
,
5155 .doit
= nl80211_setdel_pmksa
,
5156 .policy
= nl80211_policy
,
5157 .flags
= GENL_ADMIN_PERM
,
5158 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5159 NL80211_FLAG_NEED_RTNL
,
5162 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
5163 .doit
= nl80211_flush_pmksa
,
5164 .policy
= nl80211_policy
,
5165 .flags
= GENL_ADMIN_PERM
,
5166 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5167 NL80211_FLAG_NEED_RTNL
,
5170 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
5171 .doit
= nl80211_remain_on_channel
,
5172 .policy
= nl80211_policy
,
5173 .flags
= GENL_ADMIN_PERM
,
5174 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5175 NL80211_FLAG_NEED_RTNL
,
5178 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
5179 .doit
= nl80211_cancel_remain_on_channel
,
5180 .policy
= nl80211_policy
,
5181 .flags
= GENL_ADMIN_PERM
,
5182 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5183 NL80211_FLAG_NEED_RTNL
,
5186 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
5187 .doit
= nl80211_set_tx_bitrate_mask
,
5188 .policy
= nl80211_policy
,
5189 .flags
= GENL_ADMIN_PERM
,
5190 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5191 NL80211_FLAG_NEED_RTNL
,
5194 .cmd
= NL80211_CMD_REGISTER_FRAME
,
5195 .doit
= nl80211_register_mgmt
,
5196 .policy
= nl80211_policy
,
5197 .flags
= GENL_ADMIN_PERM
,
5198 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5199 NL80211_FLAG_NEED_RTNL
,
5202 .cmd
= NL80211_CMD_FRAME
,
5203 .doit
= nl80211_tx_mgmt
,
5204 .policy
= nl80211_policy
,
5205 .flags
= GENL_ADMIN_PERM
,
5206 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5207 NL80211_FLAG_NEED_RTNL
,
5210 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
5211 .doit
= nl80211_tx_mgmt_cancel_wait
,
5212 .policy
= nl80211_policy
,
5213 .flags
= GENL_ADMIN_PERM
,
5214 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5215 NL80211_FLAG_NEED_RTNL
,
5218 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
5219 .doit
= nl80211_set_power_save
,
5220 .policy
= nl80211_policy
,
5221 .flags
= GENL_ADMIN_PERM
,
5222 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5223 NL80211_FLAG_NEED_RTNL
,
5226 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
5227 .doit
= nl80211_get_power_save
,
5228 .policy
= nl80211_policy
,
5229 /* can be retrieved by unprivileged users */
5230 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5231 NL80211_FLAG_NEED_RTNL
,
5234 .cmd
= NL80211_CMD_SET_CQM
,
5235 .doit
= nl80211_set_cqm
,
5236 .policy
= nl80211_policy
,
5237 .flags
= GENL_ADMIN_PERM
,
5238 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5239 NL80211_FLAG_NEED_RTNL
,
5242 .cmd
= NL80211_CMD_SET_CHANNEL
,
5243 .doit
= nl80211_set_channel
,
5244 .policy
= nl80211_policy
,
5245 .flags
= GENL_ADMIN_PERM
,
5246 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5247 NL80211_FLAG_NEED_RTNL
,
5250 .cmd
= NL80211_CMD_SET_WDS_PEER
,
5251 .doit
= nl80211_set_wds_peer
,
5252 .policy
= nl80211_policy
,
5253 .flags
= GENL_ADMIN_PERM
,
5254 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5255 NL80211_FLAG_NEED_RTNL
,
5258 .cmd
= NL80211_CMD_JOIN_MESH
,
5259 .doit
= nl80211_join_mesh
,
5260 .policy
= nl80211_policy
,
5261 .flags
= GENL_ADMIN_PERM
,
5262 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5263 NL80211_FLAG_NEED_RTNL
,
5266 .cmd
= NL80211_CMD_LEAVE_MESH
,
5267 .doit
= nl80211_leave_mesh
,
5268 .policy
= nl80211_policy
,
5269 .flags
= GENL_ADMIN_PERM
,
5270 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5271 NL80211_FLAG_NEED_RTNL
,
5275 static struct genl_multicast_group nl80211_mlme_mcgrp
= {
5279 /* multicast groups */
5280 static struct genl_multicast_group nl80211_config_mcgrp
= {
5283 static struct genl_multicast_group nl80211_scan_mcgrp
= {
5286 static struct genl_multicast_group nl80211_regulatory_mcgrp
= {
5287 .name
= "regulatory",
5290 /* notification functions */
5292 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
5294 struct sk_buff
*msg
;
5296 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5300 if (nl80211_send_wiphy(msg
, 0, 0, 0, rdev
) < 0) {
5305 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5306 nl80211_config_mcgrp
.id
, GFP_KERNEL
);
5309 static int nl80211_add_scan_req(struct sk_buff
*msg
,
5310 struct cfg80211_registered_device
*rdev
)
5312 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
5313 struct nlattr
*nest
;
5316 ASSERT_RDEV_LOCK(rdev
);
5321 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
5323 goto nla_put_failure
;
5324 for (i
= 0; i
< req
->n_ssids
; i
++)
5325 NLA_PUT(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
);
5326 nla_nest_end(msg
, nest
);
5328 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
5330 goto nla_put_failure
;
5331 for (i
= 0; i
< req
->n_channels
; i
++)
5332 NLA_PUT_U32(msg
, i
, req
->channels
[i
]->center_freq
);
5333 nla_nest_end(msg
, nest
);
5336 NLA_PUT(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
);
5343 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
5344 struct cfg80211_registered_device
*rdev
,
5345 struct net_device
*netdev
,
5346 u32 pid
, u32 seq
, int flags
,
5351 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, cmd
);
5355 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5356 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5358 /* ignore errors and send incomplete event anyway */
5359 nl80211_add_scan_req(msg
, rdev
);
5361 return genlmsg_end(msg
, hdr
);
5364 genlmsg_cancel(msg
, hdr
);
5368 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
5369 struct net_device
*netdev
)
5371 struct sk_buff
*msg
;
5373 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
5377 if (nl80211_send_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
5378 NL80211_CMD_TRIGGER_SCAN
) < 0) {
5383 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5384 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
5387 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
5388 struct net_device
*netdev
)
5390 struct sk_buff
*msg
;
5392 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5396 if (nl80211_send_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
5397 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
5402 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5403 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
5406 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
5407 struct net_device
*netdev
)
5409 struct sk_buff
*msg
;
5411 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5415 if (nl80211_send_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
5416 NL80211_CMD_SCAN_ABORTED
) < 0) {
5421 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5422 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
5426 * This can happen on global regulatory changes or device specific settings
5427 * based on custom world regulatory domains.
5429 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
5431 struct sk_buff
*msg
;
5434 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5438 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
5444 /* Userspace can always count this one always being set */
5445 NLA_PUT_U8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
);
5447 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0')
5448 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
5449 NL80211_REGDOM_TYPE_WORLD
);
5450 else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9')
5451 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
5452 NL80211_REGDOM_TYPE_CUSTOM_WORLD
);
5453 else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
5455 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
5456 NL80211_REGDOM_TYPE_INTERSECTION
);
5458 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
5459 NL80211_REGDOM_TYPE_COUNTRY
);
5460 NLA_PUT_STRING(msg
, NL80211_ATTR_REG_ALPHA2
, request
->alpha2
);
5463 if (wiphy_idx_valid(request
->wiphy_idx
))
5464 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
);
5466 if (genlmsg_end(msg
, hdr
) < 0) {
5472 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
5479 genlmsg_cancel(msg
, hdr
);
5483 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
5484 struct net_device
*netdev
,
5485 const u8
*buf
, size_t len
,
5486 enum nl80211_commands cmd
, gfp_t gfp
)
5488 struct sk_buff
*msg
;
5491 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
5495 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
5501 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5502 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5503 NLA_PUT(msg
, NL80211_ATTR_FRAME
, len
, buf
);
5505 if (genlmsg_end(msg
, hdr
) < 0) {
5510 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5511 nl80211_mlme_mcgrp
.id
, gfp
);
5515 genlmsg_cancel(msg
, hdr
);
5519 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
5520 struct net_device
*netdev
, const u8
*buf
,
5521 size_t len
, gfp_t gfp
)
5523 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
5524 NL80211_CMD_AUTHENTICATE
, gfp
);
5527 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
5528 struct net_device
*netdev
, const u8
*buf
,
5529 size_t len
, gfp_t gfp
)
5531 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
5532 NL80211_CMD_ASSOCIATE
, gfp
);
5535 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
5536 struct net_device
*netdev
, const u8
*buf
,
5537 size_t len
, gfp_t gfp
)
5539 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
5540 NL80211_CMD_DEAUTHENTICATE
, gfp
);
5543 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
5544 struct net_device
*netdev
, const u8
*buf
,
5545 size_t len
, gfp_t gfp
)
5547 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
5548 NL80211_CMD_DISASSOCIATE
, gfp
);
5551 void nl80211_send_unprot_deauth(struct cfg80211_registered_device
*rdev
,
5552 struct net_device
*netdev
, const u8
*buf
,
5553 size_t len
, gfp_t gfp
)
5555 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
5556 NL80211_CMD_UNPROT_DEAUTHENTICATE
, gfp
);
5559 void nl80211_send_unprot_disassoc(struct cfg80211_registered_device
*rdev
,
5560 struct net_device
*netdev
, const u8
*buf
,
5561 size_t len
, gfp_t gfp
)
5563 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
5564 NL80211_CMD_UNPROT_DISASSOCIATE
, gfp
);
5567 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
5568 struct net_device
*netdev
, int cmd
,
5569 const u8
*addr
, gfp_t gfp
)
5571 struct sk_buff
*msg
;
5574 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
5578 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
5584 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5585 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5586 NLA_PUT_FLAG(msg
, NL80211_ATTR_TIMED_OUT
);
5587 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
);
5589 if (genlmsg_end(msg
, hdr
) < 0) {
5594 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5595 nl80211_mlme_mcgrp
.id
, gfp
);
5599 genlmsg_cancel(msg
, hdr
);
5603 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
5604 struct net_device
*netdev
, const u8
*addr
,
5607 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
5611 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
5612 struct net_device
*netdev
, const u8
*addr
,
5615 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
5619 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
5620 struct net_device
*netdev
, const u8
*bssid
,
5621 const u8
*req_ie
, size_t req_ie_len
,
5622 const u8
*resp_ie
, size_t resp_ie_len
,
5623 u16 status
, gfp_t gfp
)
5625 struct sk_buff
*msg
;
5628 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
5632 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
5638 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5639 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5641 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
);
5642 NLA_PUT_U16(msg
, NL80211_ATTR_STATUS_CODE
, status
);
5644 NLA_PUT(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
);
5646 NLA_PUT(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
);
5648 if (genlmsg_end(msg
, hdr
) < 0) {
5653 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5654 nl80211_mlme_mcgrp
.id
, gfp
);
5658 genlmsg_cancel(msg
, hdr
);
5663 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
5664 struct net_device
*netdev
, const u8
*bssid
,
5665 const u8
*req_ie
, size_t req_ie_len
,
5666 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
5668 struct sk_buff
*msg
;
5671 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
5675 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
5681 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5682 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5683 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
);
5685 NLA_PUT(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
);
5687 NLA_PUT(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
);
5689 if (genlmsg_end(msg
, hdr
) < 0) {
5694 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5695 nl80211_mlme_mcgrp
.id
, gfp
);
5699 genlmsg_cancel(msg
, hdr
);
5704 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
5705 struct net_device
*netdev
, u16 reason
,
5706 const u8
*ie
, size_t ie_len
, bool from_ap
)
5708 struct sk_buff
*msg
;
5711 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
5715 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
5721 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5722 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5723 if (from_ap
&& reason
)
5724 NLA_PUT_U16(msg
, NL80211_ATTR_REASON_CODE
, reason
);
5726 NLA_PUT_FLAG(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
);
5728 NLA_PUT(msg
, NL80211_ATTR_IE
, ie_len
, ie
);
5730 if (genlmsg_end(msg
, hdr
) < 0) {
5735 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5736 nl80211_mlme_mcgrp
.id
, GFP_KERNEL
);
5740 genlmsg_cancel(msg
, hdr
);
5745 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
5746 struct net_device
*netdev
, const u8
*bssid
,
5749 struct sk_buff
*msg
;
5752 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
5756 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
5762 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5763 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5764 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
);
5766 if (genlmsg_end(msg
, hdr
) < 0) {
5771 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5772 nl80211_mlme_mcgrp
.id
, gfp
);
5776 genlmsg_cancel(msg
, hdr
);
5780 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
5781 struct net_device
*netdev
, const u8
*addr
,
5782 enum nl80211_key_type key_type
, int key_id
,
5783 const u8
*tsc
, gfp_t gfp
)
5785 struct sk_buff
*msg
;
5788 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
5792 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
5798 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5799 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5801 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
);
5802 NLA_PUT_U32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
);
5803 NLA_PUT_U8(msg
, NL80211_ATTR_KEY_IDX
, key_id
);
5805 NLA_PUT(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
);
5807 if (genlmsg_end(msg
, hdr
) < 0) {
5812 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5813 nl80211_mlme_mcgrp
.id
, gfp
);
5817 genlmsg_cancel(msg
, hdr
);
5821 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
5822 struct ieee80211_channel
*channel_before
,
5823 struct ieee80211_channel
*channel_after
)
5825 struct sk_buff
*msg
;
5827 struct nlattr
*nl_freq
;
5829 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
5833 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
5840 * Since we are applying the beacon hint to a wiphy we know its
5841 * wiphy_idx is valid
5843 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
));
5846 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
5848 goto nla_put_failure
;
5849 if (nl80211_msg_put_channel(msg
, channel_before
))
5850 goto nla_put_failure
;
5851 nla_nest_end(msg
, nl_freq
);
5854 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
5856 goto nla_put_failure
;
5857 if (nl80211_msg_put_channel(msg
, channel_after
))
5858 goto nla_put_failure
;
5859 nla_nest_end(msg
, nl_freq
);
5861 if (genlmsg_end(msg
, hdr
) < 0) {
5867 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
5874 genlmsg_cancel(msg
, hdr
);
5878 static void nl80211_send_remain_on_chan_event(
5879 int cmd
, struct cfg80211_registered_device
*rdev
,
5880 struct net_device
*netdev
, u64 cookie
,
5881 struct ieee80211_channel
*chan
,
5882 enum nl80211_channel_type channel_type
,
5883 unsigned int duration
, gfp_t gfp
)
5885 struct sk_buff
*msg
;
5888 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
5892 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
5898 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5899 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5900 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
);
5901 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
, channel_type
);
5902 NLA_PUT_U64(msg
, NL80211_ATTR_COOKIE
, cookie
);
5904 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
)
5905 NLA_PUT_U32(msg
, NL80211_ATTR_DURATION
, duration
);
5907 if (genlmsg_end(msg
, hdr
) < 0) {
5912 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5913 nl80211_mlme_mcgrp
.id
, gfp
);
5917 genlmsg_cancel(msg
, hdr
);
5921 void nl80211_send_remain_on_channel(struct cfg80211_registered_device
*rdev
,
5922 struct net_device
*netdev
, u64 cookie
,
5923 struct ieee80211_channel
*chan
,
5924 enum nl80211_channel_type channel_type
,
5925 unsigned int duration
, gfp_t gfp
)
5927 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
5928 rdev
, netdev
, cookie
, chan
,
5929 channel_type
, duration
, gfp
);
5932 void nl80211_send_remain_on_channel_cancel(
5933 struct cfg80211_registered_device
*rdev
, struct net_device
*netdev
,
5934 u64 cookie
, struct ieee80211_channel
*chan
,
5935 enum nl80211_channel_type channel_type
, gfp_t gfp
)
5937 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
5938 rdev
, netdev
, cookie
, chan
,
5939 channel_type
, 0, gfp
);
5942 void nl80211_send_sta_event(struct cfg80211_registered_device
*rdev
,
5943 struct net_device
*dev
, const u8
*mac_addr
,
5944 struct station_info
*sinfo
, gfp_t gfp
)
5946 struct sk_buff
*msg
;
5948 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
5952 if (nl80211_send_station(msg
, 0, 0, 0, dev
, mac_addr
, sinfo
) < 0) {
5957 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5958 nl80211_mlme_mcgrp
.id
, gfp
);
5961 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
5962 struct net_device
*netdev
, u32 nlpid
,
5963 int freq
, const u8
*buf
, size_t len
, gfp_t gfp
)
5965 struct sk_buff
*msg
;
5969 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
5973 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
5979 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5980 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5981 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
);
5982 NLA_PUT(msg
, NL80211_ATTR_FRAME
, len
, buf
);
5984 err
= genlmsg_end(msg
, hdr
);
5990 err
= genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlpid
);
5996 genlmsg_cancel(msg
, hdr
);
6001 void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device
*rdev
,
6002 struct net_device
*netdev
, u64 cookie
,
6003 const u8
*buf
, size_t len
, bool ack
,
6006 struct sk_buff
*msg
;
6009 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
6013 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
6019 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6020 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6021 NLA_PUT(msg
, NL80211_ATTR_FRAME
, len
, buf
);
6022 NLA_PUT_U64(msg
, NL80211_ATTR_COOKIE
, cookie
);
6024 NLA_PUT_FLAG(msg
, NL80211_ATTR_ACK
);
6026 if (genlmsg_end(msg
, hdr
) < 0) {
6031 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, gfp
);
6035 genlmsg_cancel(msg
, hdr
);
6040 nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device
*rdev
,
6041 struct net_device
*netdev
,
6042 enum nl80211_cqm_rssi_threshold_event rssi_event
,
6045 struct sk_buff
*msg
;
6046 struct nlattr
*pinfoattr
;
6049 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
6053 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
6059 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6060 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6062 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
6064 goto nla_put_failure
;
6066 NLA_PUT_U32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
6069 nla_nest_end(msg
, pinfoattr
);
6071 if (genlmsg_end(msg
, hdr
) < 0) {
6076 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6077 nl80211_mlme_mcgrp
.id
, gfp
);
6081 genlmsg_cancel(msg
, hdr
);
6086 nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device
*rdev
,
6087 struct net_device
*netdev
, const u8
*peer
,
6088 u32 num_packets
, gfp_t gfp
)
6090 struct sk_buff
*msg
;
6091 struct nlattr
*pinfoattr
;
6094 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
6098 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
6104 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6105 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6106 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
);
6108 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
6110 goto nla_put_failure
;
6112 NLA_PUT_U32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
);
6114 nla_nest_end(msg
, pinfoattr
);
6116 if (genlmsg_end(msg
, hdr
) < 0) {
6121 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6122 nl80211_mlme_mcgrp
.id
, gfp
);
6126 genlmsg_cancel(msg
, hdr
);
6130 static int nl80211_netlink_notify(struct notifier_block
* nb
,
6131 unsigned long state
,
6134 struct netlink_notify
*notify
= _notify
;
6135 struct cfg80211_registered_device
*rdev
;
6136 struct wireless_dev
*wdev
;
6138 if (state
!= NETLINK_URELEASE
)
6143 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
)
6144 list_for_each_entry_rcu(wdev
, &rdev
->netdev_list
, list
)
6145 cfg80211_mlme_unregister_socket(wdev
, notify
->pid
);
6152 static struct notifier_block nl80211_netlink_notifier
= {
6153 .notifier_call
= nl80211_netlink_notify
,
6156 /* initialisation/exit functions */
6158 int nl80211_init(void)
6162 err
= genl_register_family_with_ops(&nl80211_fam
,
6163 nl80211_ops
, ARRAY_SIZE(nl80211_ops
));
6167 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_config_mcgrp
);
6171 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_scan_mcgrp
);
6175 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_regulatory_mcgrp
);
6179 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_mlme_mcgrp
);
6183 #ifdef CONFIG_NL80211_TESTMODE
6184 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_testmode_mcgrp
);
6189 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
6195 genl_unregister_family(&nl80211_fam
);
6199 void nl80211_exit(void)
6201 netlink_unregister_notifier(&nl80211_netlink_notifier
);
6202 genl_unregister_family(&nl80211_fam
);