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_PARAMS
] = { .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 if (dev
->wiphy
.available_antennas
&& dev
->ops
->get_antenna
) {
609 u32 tx_ant
= 0, rx_ant
= 0;
611 res
= dev
->ops
->get_antenna(&dev
->wiphy
, &tx_ant
, &rx_ant
);
613 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_ANTENNA_TX
, tx_ant
);
614 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_ANTENNA_RX
, rx_ant
);
618 nl_modes
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
);
620 goto nla_put_failure
;
625 NLA_PUT_FLAG(msg
, i
);
630 nla_nest_end(msg
, nl_modes
);
632 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
634 goto nla_put_failure
;
636 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
637 if (!dev
->wiphy
.bands
[band
])
640 nl_band
= nla_nest_start(msg
, band
);
642 goto nla_put_failure
;
645 if (dev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
) {
646 NLA_PUT(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
647 sizeof(dev
->wiphy
.bands
[band
]->ht_cap
.mcs
),
648 &dev
->wiphy
.bands
[band
]->ht_cap
.mcs
);
649 NLA_PUT_U16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
650 dev
->wiphy
.bands
[band
]->ht_cap
.cap
);
651 NLA_PUT_U8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
652 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_factor
);
653 NLA_PUT_U8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
654 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_density
);
657 /* add frequencies */
658 nl_freqs
= nla_nest_start(msg
, NL80211_BAND_ATTR_FREQS
);
660 goto nla_put_failure
;
662 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_channels
; i
++) {
663 nl_freq
= nla_nest_start(msg
, i
);
665 goto nla_put_failure
;
667 chan
= &dev
->wiphy
.bands
[band
]->channels
[i
];
669 if (nl80211_msg_put_channel(msg
, chan
))
670 goto nla_put_failure
;
672 nla_nest_end(msg
, nl_freq
);
675 nla_nest_end(msg
, nl_freqs
);
678 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
680 goto nla_put_failure
;
682 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_bitrates
; i
++) {
683 nl_rate
= nla_nest_start(msg
, i
);
685 goto nla_put_failure
;
687 rate
= &dev
->wiphy
.bands
[band
]->bitrates
[i
];
688 NLA_PUT_U32(msg
, NL80211_BITRATE_ATTR_RATE
,
690 if (rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
)
692 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
);
694 nla_nest_end(msg
, nl_rate
);
697 nla_nest_end(msg
, nl_rates
);
699 nla_nest_end(msg
, nl_band
);
701 nla_nest_end(msg
, nl_bands
);
703 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
705 goto nla_put_failure
;
710 if (dev->ops->op) { \
712 NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \
716 CMD(add_virtual_intf
, NEW_INTERFACE
);
717 CMD(change_virtual_intf
, SET_INTERFACE
);
718 CMD(add_key
, NEW_KEY
);
719 CMD(add_beacon
, NEW_BEACON
);
720 CMD(add_station
, NEW_STATION
);
721 CMD(add_mpath
, NEW_MPATH
);
722 CMD(update_mesh_params
, SET_MESH_PARAMS
);
723 CMD(change_bss
, SET_BSS
);
724 CMD(auth
, AUTHENTICATE
);
725 CMD(assoc
, ASSOCIATE
);
726 CMD(deauth
, DEAUTHENTICATE
);
727 CMD(disassoc
, DISASSOCIATE
);
728 CMD(join_ibss
, JOIN_IBSS
);
729 CMD(join_mesh
, JOIN_MESH
);
730 CMD(set_pmksa
, SET_PMKSA
);
731 CMD(del_pmksa
, DEL_PMKSA
);
732 CMD(flush_pmksa
, FLUSH_PMKSA
);
733 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
734 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
736 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
737 if (dev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
739 NLA_PUT_U32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
);
741 CMD(set_channel
, SET_CHANNEL
);
742 CMD(set_wds_peer
, SET_WDS_PEER
);
746 if (dev
->ops
->connect
|| dev
->ops
->auth
) {
748 NLA_PUT_U32(msg
, i
, NL80211_CMD_CONNECT
);
751 if (dev
->ops
->disconnect
|| dev
->ops
->deauth
) {
753 NLA_PUT_U32(msg
, i
, NL80211_CMD_DISCONNECT
);
756 nla_nest_end(msg
, nl_cmds
);
758 /* for now at least assume all drivers have it */
759 if (dev
->ops
->mgmt_tx
)
760 NLA_PUT_FLAG(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
);
764 struct nlattr
*nl_ftypes
, *nl_ifs
;
765 enum nl80211_iftype ift
;
767 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
769 goto nla_put_failure
;
771 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
772 nl_ftypes
= nla_nest_start(msg
, ift
);
774 goto nla_put_failure
;
776 stypes
= mgmt_stypes
[ift
].tx
;
779 NLA_PUT_U16(msg
, NL80211_ATTR_FRAME_TYPE
,
780 (i
<< 4) | IEEE80211_FTYPE_MGMT
);
784 nla_nest_end(msg
, nl_ftypes
);
787 nla_nest_end(msg
, nl_ifs
);
789 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
791 goto nla_put_failure
;
793 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
794 nl_ftypes
= nla_nest_start(msg
, ift
);
796 goto nla_put_failure
;
798 stypes
= mgmt_stypes
[ift
].rx
;
801 NLA_PUT_U16(msg
, NL80211_ATTR_FRAME_TYPE
,
802 (i
<< 4) | IEEE80211_FTYPE_MGMT
);
806 nla_nest_end(msg
, nl_ftypes
);
808 nla_nest_end(msg
, nl_ifs
);
811 return genlmsg_end(msg
, hdr
);
814 genlmsg_cancel(msg
, hdr
);
818 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
821 int start
= cb
->args
[0];
822 struct cfg80211_registered_device
*dev
;
824 mutex_lock(&cfg80211_mutex
);
825 list_for_each_entry(dev
, &cfg80211_rdev_list
, list
) {
826 if (!net_eq(wiphy_net(&dev
->wiphy
), sock_net(skb
->sk
)))
830 if (nl80211_send_wiphy(skb
, NETLINK_CB(cb
->skb
).pid
,
831 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
837 mutex_unlock(&cfg80211_mutex
);
844 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
847 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
849 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
853 if (nl80211_send_wiphy(msg
, info
->snd_pid
, info
->snd_seq
, 0, dev
) < 0) {
858 return genlmsg_reply(msg
, info
);
861 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
862 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
863 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
864 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
865 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
866 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
869 static int parse_txq_params(struct nlattr
*tb
[],
870 struct ieee80211_txq_params
*txq_params
)
872 if (!tb
[NL80211_TXQ_ATTR_QUEUE
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
873 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
874 !tb
[NL80211_TXQ_ATTR_AIFS
])
877 txq_params
->queue
= nla_get_u8(tb
[NL80211_TXQ_ATTR_QUEUE
]);
878 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
879 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
880 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
881 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
886 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
889 * You can only set the channel explicitly for AP, mesh
890 * and WDS type interfaces; all others have their channel
891 * managed via their respective "establish a connection"
892 * command (connect, join, ...)
894 * Monitors are special as they are normally slaved to
895 * whatever else is going on, so they behave as though
896 * you tried setting the wiphy channel itself.
899 wdev
->iftype
== NL80211_IFTYPE_AP
||
900 wdev
->iftype
== NL80211_IFTYPE_WDS
||
901 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
902 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
903 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
906 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
907 struct wireless_dev
*wdev
,
908 struct genl_info
*info
)
910 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
914 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
917 if (!nl80211_can_set_dev_channel(wdev
))
920 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
921 channel_type
= nla_get_u32(info
->attrs
[
922 NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
923 if (channel_type
!= NL80211_CHAN_NO_HT
&&
924 channel_type
!= NL80211_CHAN_HT20
&&
925 channel_type
!= NL80211_CHAN_HT40PLUS
&&
926 channel_type
!= NL80211_CHAN_HT40MINUS
)
930 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
932 mutex_lock(&rdev
->devlist_mtx
);
935 result
= cfg80211_set_freq(rdev
, wdev
, freq
, channel_type
);
938 result
= cfg80211_set_freq(rdev
, NULL
, freq
, channel_type
);
940 mutex_unlock(&rdev
->devlist_mtx
);
945 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
947 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
948 struct net_device
*netdev
= info
->user_ptr
[1];
950 return __nl80211_set_channel(rdev
, netdev
->ieee80211_ptr
, info
);
953 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
955 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
956 struct net_device
*dev
= info
->user_ptr
[1];
957 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
960 if (!info
->attrs
[NL80211_ATTR_MAC
])
963 if (netif_running(dev
))
966 if (!rdev
->ops
->set_wds_peer
)
969 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
972 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
973 return rdev
->ops
->set_wds_peer(wdev
->wiphy
, dev
, bssid
);
977 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
979 struct cfg80211_registered_device
*rdev
;
980 struct net_device
*netdev
= NULL
;
981 struct wireless_dev
*wdev
;
982 int result
= 0, rem_txq_params
= 0;
983 struct nlattr
*nl_txq_params
;
985 u8 retry_short
= 0, retry_long
= 0;
986 u32 frag_threshold
= 0, rts_threshold
= 0;
987 u8 coverage_class
= 0;
990 * Try to find the wiphy and netdev. Normally this
991 * function shouldn't need the netdev, but this is
992 * done for backward compatibility -- previously
993 * setting the channel was done per wiphy, but now
994 * it is per netdev. Previous userland like hostapd
995 * also passed a netdev to set_wiphy, so that it is
996 * possible to let that go to the right netdev!
998 mutex_lock(&cfg80211_mutex
);
1000 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
1001 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
1003 netdev
= dev_get_by_index(genl_info_net(info
), ifindex
);
1004 if (netdev
&& netdev
->ieee80211_ptr
) {
1005 rdev
= wiphy_to_dev(netdev
->ieee80211_ptr
->wiphy
);
1006 mutex_lock(&rdev
->mtx
);
1012 rdev
= __cfg80211_rdev_from_info(info
);
1014 mutex_unlock(&cfg80211_mutex
);
1015 return PTR_ERR(rdev
);
1021 mutex_lock(&rdev
->mtx
);
1022 } else if (netif_running(netdev
) &&
1023 nl80211_can_set_dev_channel(netdev
->ieee80211_ptr
))
1024 wdev
= netdev
->ieee80211_ptr
;
1029 * end workaround code, by now the rdev is available
1030 * and locked, and wdev may or may not be NULL.
1033 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
1034 result
= cfg80211_dev_rename(
1035 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
1037 mutex_unlock(&cfg80211_mutex
);
1042 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
1043 struct ieee80211_txq_params txq_params
;
1044 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
1046 if (!rdev
->ops
->set_txq_params
) {
1047 result
= -EOPNOTSUPP
;
1051 nla_for_each_nested(nl_txq_params
,
1052 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
1054 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
1055 nla_data(nl_txq_params
),
1056 nla_len(nl_txq_params
),
1058 result
= parse_txq_params(tb
, &txq_params
);
1062 result
= rdev
->ops
->set_txq_params(&rdev
->wiphy
,
1069 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
1070 result
= __nl80211_set_channel(rdev
, wdev
, info
);
1075 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
1076 enum nl80211_tx_power_setting type
;
1079 if (!rdev
->ops
->set_tx_power
) {
1080 result
= -EOPNOTSUPP
;
1084 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
1085 type
= nla_get_u32(info
->attrs
[idx
]);
1087 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
1088 (type
!= NL80211_TX_POWER_AUTOMATIC
)) {
1093 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
1094 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
1095 mbm
= nla_get_u32(info
->attrs
[idx
]);
1098 result
= rdev
->ops
->set_tx_power(&rdev
->wiphy
, type
, mbm
);
1103 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
1104 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
1106 if (!rdev
->wiphy
.available_antennas
|| !rdev
->ops
->set_antenna
) {
1107 result
= -EOPNOTSUPP
;
1111 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
1112 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
1114 /* reject antenna configurations which don't match the
1115 * available antenna mask, except for the "all" mask */
1116 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas
)) ||
1117 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas
))) {
1122 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas
;
1123 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas
;
1125 result
= rdev
->ops
->set_antenna(&rdev
->wiphy
, tx_ant
, rx_ant
);
1132 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
1133 retry_short
= nla_get_u8(
1134 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
1135 if (retry_short
== 0) {
1139 changed
|= WIPHY_PARAM_RETRY_SHORT
;
1142 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
1143 retry_long
= nla_get_u8(
1144 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
1145 if (retry_long
== 0) {
1149 changed
|= WIPHY_PARAM_RETRY_LONG
;
1152 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
1153 frag_threshold
= nla_get_u32(
1154 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
1155 if (frag_threshold
< 256) {
1159 if (frag_threshold
!= (u32
) -1) {
1161 * Fragments (apart from the last one) are required to
1162 * have even length. Make the fragmentation code
1163 * simpler by stripping LSB should someone try to use
1164 * odd threshold value.
1166 frag_threshold
&= ~0x1;
1168 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
1171 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
1172 rts_threshold
= nla_get_u32(
1173 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
1174 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
1177 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
1178 coverage_class
= nla_get_u8(
1179 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
1180 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
1184 u8 old_retry_short
, old_retry_long
;
1185 u32 old_frag_threshold
, old_rts_threshold
;
1186 u8 old_coverage_class
;
1188 if (!rdev
->ops
->set_wiphy_params
) {
1189 result
= -EOPNOTSUPP
;
1193 old_retry_short
= rdev
->wiphy
.retry_short
;
1194 old_retry_long
= rdev
->wiphy
.retry_long
;
1195 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
1196 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
1197 old_coverage_class
= rdev
->wiphy
.coverage_class
;
1199 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1200 rdev
->wiphy
.retry_short
= retry_short
;
1201 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1202 rdev
->wiphy
.retry_long
= retry_long
;
1203 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
1204 rdev
->wiphy
.frag_threshold
= frag_threshold
;
1205 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
1206 rdev
->wiphy
.rts_threshold
= rts_threshold
;
1207 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
1208 rdev
->wiphy
.coverage_class
= coverage_class
;
1210 result
= rdev
->ops
->set_wiphy_params(&rdev
->wiphy
, changed
);
1212 rdev
->wiphy
.retry_short
= old_retry_short
;
1213 rdev
->wiphy
.retry_long
= old_retry_long
;
1214 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
1215 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
1216 rdev
->wiphy
.coverage_class
= old_coverage_class
;
1221 mutex_unlock(&rdev
->mtx
);
1228 static int nl80211_send_iface(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
1229 struct cfg80211_registered_device
*rdev
,
1230 struct net_device
*dev
)
1234 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
1238 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1239 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
1240 NLA_PUT_STRING(msg
, NL80211_ATTR_IFNAME
, dev
->name
);
1241 NLA_PUT_U32(msg
, NL80211_ATTR_IFTYPE
, dev
->ieee80211_ptr
->iftype
);
1243 NLA_PUT_U32(msg
, NL80211_ATTR_GENERATION
,
1244 rdev
->devlist_generation
^
1245 (cfg80211_rdev_list_generation
<< 2));
1247 return genlmsg_end(msg
, hdr
);
1250 genlmsg_cancel(msg
, hdr
);
1254 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1258 int wp_start
= cb
->args
[0];
1259 int if_start
= cb
->args
[1];
1260 struct cfg80211_registered_device
*rdev
;
1261 struct wireless_dev
*wdev
;
1263 mutex_lock(&cfg80211_mutex
);
1264 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1265 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1267 if (wp_idx
< wp_start
) {
1273 mutex_lock(&rdev
->devlist_mtx
);
1274 list_for_each_entry(wdev
, &rdev
->netdev_list
, list
) {
1275 if (if_idx
< if_start
) {
1279 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).pid
,
1280 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1281 rdev
, wdev
->netdev
) < 0) {
1282 mutex_unlock(&rdev
->devlist_mtx
);
1287 mutex_unlock(&rdev
->devlist_mtx
);
1292 mutex_unlock(&cfg80211_mutex
);
1294 cb
->args
[0] = wp_idx
;
1295 cb
->args
[1] = if_idx
;
1300 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1302 struct sk_buff
*msg
;
1303 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1304 struct net_device
*netdev
= info
->user_ptr
[1];
1306 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1310 if (nl80211_send_iface(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1316 return genlmsg_reply(msg
, info
);
1319 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
1320 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
1321 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
1322 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
1323 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
1324 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
1327 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
1329 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
1337 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
1338 nla
, mntr_flags_policy
))
1341 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
1343 *mntrflags
|= (1<<flag
);
1348 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
1349 struct net_device
*netdev
, u8 use_4addr
,
1350 enum nl80211_iftype iftype
)
1353 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
1359 case NL80211_IFTYPE_AP_VLAN
:
1360 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
1363 case NL80211_IFTYPE_STATION
:
1364 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
1374 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1376 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1377 struct vif_params params
;
1379 enum nl80211_iftype otype
, ntype
;
1380 struct net_device
*dev
= info
->user_ptr
[1];
1381 u32 _flags
, *flags
= NULL
;
1382 bool change
= false;
1384 memset(¶ms
, 0, sizeof(params
));
1386 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
1388 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
1389 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
1392 if (ntype
> NL80211_IFTYPE_MAX
)
1396 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
1397 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1399 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
1401 if (netif_running(dev
))
1405 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
1406 IEEE80211_MAX_MESH_ID_LEN
);
1407 wdev
->mesh_id_up_len
=
1408 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
1409 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
1410 wdev
->mesh_id_up_len
);
1414 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
1415 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
1417 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
1421 params
.use_4addr
= -1;
1424 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
1425 if (ntype
!= NL80211_IFTYPE_MONITOR
)
1427 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
1437 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
1441 if (!err
&& params
.use_4addr
!= -1)
1442 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
1447 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1449 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1450 struct vif_params params
;
1451 struct net_device
*dev
;
1453 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
1456 memset(¶ms
, 0, sizeof(params
));
1458 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
1461 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
1462 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
1463 if (type
> NL80211_IFTYPE_MAX
)
1467 if (!rdev
->ops
->add_virtual_intf
||
1468 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
1471 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
1472 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
1473 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
1478 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
1479 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
1481 dev
= rdev
->ops
->add_virtual_intf(&rdev
->wiphy
,
1482 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
1483 type
, err
? NULL
: &flags
, ¶ms
);
1485 return PTR_ERR(dev
);
1487 if (type
== NL80211_IFTYPE_MESH_POINT
&&
1488 info
->attrs
[NL80211_ATTR_MESH_ID
]) {
1489 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1492 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
1493 IEEE80211_MAX_MESH_ID_LEN
);
1494 wdev
->mesh_id_up_len
=
1495 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
1496 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
1497 wdev
->mesh_id_up_len
);
1504 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1506 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1507 struct net_device
*dev
= info
->user_ptr
[1];
1509 if (!rdev
->ops
->del_virtual_intf
)
1512 return rdev
->ops
->del_virtual_intf(&rdev
->wiphy
, dev
);
1515 struct get_key_cookie
{
1516 struct sk_buff
*msg
;
1521 static void get_key_callback(void *c
, struct key_params
*params
)
1524 struct get_key_cookie
*cookie
= c
;
1527 NLA_PUT(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
1528 params
->key_len
, params
->key
);
1531 NLA_PUT(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
1532 params
->seq_len
, params
->seq
);
1535 NLA_PUT_U32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
1538 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
1540 goto nla_put_failure
;
1543 NLA_PUT(cookie
->msg
, NL80211_KEY_DATA
,
1544 params
->key_len
, params
->key
);
1547 NLA_PUT(cookie
->msg
, NL80211_KEY_SEQ
,
1548 params
->seq_len
, params
->seq
);
1551 NLA_PUT_U32(cookie
->msg
, NL80211_KEY_CIPHER
,
1554 NLA_PUT_U8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
);
1556 nla_nest_end(cookie
->msg
, key
);
1563 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
1565 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1567 struct net_device
*dev
= info
->user_ptr
[1];
1569 const u8
*mac_addr
= NULL
;
1571 struct get_key_cookie cookie
= {
1575 struct sk_buff
*msg
;
1577 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
1578 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
1583 if (info
->attrs
[NL80211_ATTR_MAC
])
1584 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1586 pairwise
= !!mac_addr
;
1587 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
1588 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
1589 if (kt
>= NUM_NL80211_KEYTYPES
)
1591 if (kt
!= NL80211_KEYTYPE_GROUP
&&
1592 kt
!= NL80211_KEYTYPE_PAIRWISE
)
1594 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
1597 if (!rdev
->ops
->get_key
)
1600 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1604 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1605 NL80211_CMD_NEW_KEY
);
1607 return PTR_ERR(hdr
);
1610 cookie
.idx
= key_idx
;
1612 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1613 NLA_PUT_U8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
);
1615 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
);
1617 if (pairwise
&& mac_addr
&&
1618 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
1621 err
= rdev
->ops
->get_key(&rdev
->wiphy
, dev
, key_idx
, pairwise
,
1622 mac_addr
, &cookie
, get_key_callback
);
1628 goto nla_put_failure
;
1630 genlmsg_end(msg
, hdr
);
1631 return genlmsg_reply(msg
, info
);
1640 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
1642 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1643 struct key_parse key
;
1645 struct net_device
*dev
= info
->user_ptr
[1];
1647 err
= nl80211_parse_key(info
, &key
);
1654 /* only support setting default key */
1655 if (!key
.def
&& !key
.defmgmt
)
1658 wdev_lock(dev
->ieee80211_ptr
);
1661 if (!rdev
->ops
->set_default_key
) {
1666 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
1670 if (!(rdev
->wiphy
.flags
&
1671 WIPHY_FLAG_SUPPORTS_SEPARATE_DEFAULT_KEYS
)) {
1672 if (!key
.def_uni
|| !key
.def_multi
) {
1678 err
= rdev
->ops
->set_default_key(&rdev
->wiphy
, dev
, key
.idx
,
1679 key
.def_uni
, key
.def_multi
);
1684 #ifdef CONFIG_CFG80211_WEXT
1685 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
1688 if (key
.def_uni
|| !key
.def_multi
) {
1693 if (!rdev
->ops
->set_default_mgmt_key
) {
1698 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
1702 err
= rdev
->ops
->set_default_mgmt_key(&rdev
->wiphy
,
1707 #ifdef CONFIG_CFG80211_WEXT
1708 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
1713 wdev_unlock(dev
->ieee80211_ptr
);
1718 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
1720 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1722 struct net_device
*dev
= info
->user_ptr
[1];
1723 struct key_parse key
;
1724 const u8
*mac_addr
= NULL
;
1726 err
= nl80211_parse_key(info
, &key
);
1733 if (info
->attrs
[NL80211_ATTR_MAC
])
1734 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1736 if (key
.type
== -1) {
1738 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
1740 key
.type
= NL80211_KEYTYPE_GROUP
;
1744 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
1745 key
.type
!= NL80211_KEYTYPE_GROUP
)
1748 if (!rdev
->ops
->add_key
)
1751 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
1752 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
1756 wdev_lock(dev
->ieee80211_ptr
);
1757 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
1759 err
= rdev
->ops
->add_key(&rdev
->wiphy
, dev
, key
.idx
,
1760 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
1762 wdev_unlock(dev
->ieee80211_ptr
);
1767 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
1769 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1771 struct net_device
*dev
= info
->user_ptr
[1];
1772 u8
*mac_addr
= NULL
;
1773 struct key_parse key
;
1775 err
= nl80211_parse_key(info
, &key
);
1779 if (info
->attrs
[NL80211_ATTR_MAC
])
1780 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1782 if (key
.type
== -1) {
1784 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
1786 key
.type
= NL80211_KEYTYPE_GROUP
;
1790 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
1791 key
.type
!= NL80211_KEYTYPE_GROUP
)
1794 if (!rdev
->ops
->del_key
)
1797 wdev_lock(dev
->ieee80211_ptr
);
1798 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
1800 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
1801 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
1805 err
= rdev
->ops
->del_key(&rdev
->wiphy
, dev
, key
.idx
,
1806 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
1809 #ifdef CONFIG_CFG80211_WEXT
1811 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
1812 dev
->ieee80211_ptr
->wext
.default_key
= -1;
1813 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
1814 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
1817 wdev_unlock(dev
->ieee80211_ptr
);
1822 static int nl80211_addset_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
1824 int (*call
)(struct wiphy
*wiphy
, struct net_device
*dev
,
1825 struct beacon_parameters
*info
);
1826 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1827 struct net_device
*dev
= info
->user_ptr
[1];
1828 struct beacon_parameters params
;
1831 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]))
1834 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
1835 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
1838 switch (info
->genlhdr
->cmd
) {
1839 case NL80211_CMD_NEW_BEACON
:
1840 /* these are required for NEW_BEACON */
1841 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
1842 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
1843 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
1846 call
= rdev
->ops
->add_beacon
;
1848 case NL80211_CMD_SET_BEACON
:
1849 call
= rdev
->ops
->set_beacon
;
1859 memset(¶ms
, 0, sizeof(params
));
1861 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
1863 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
1867 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
1868 params
.dtim_period
=
1869 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
1873 if (info
->attrs
[NL80211_ATTR_BEACON_HEAD
]) {
1874 params
.head
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
1876 nla_len(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
1880 if (info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) {
1881 params
.tail
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
1883 nla_len(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
1890 return call(&rdev
->wiphy
, dev
, ¶ms
);
1893 static int nl80211_del_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
1895 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1896 struct net_device
*dev
= info
->user_ptr
[1];
1898 if (!rdev
->ops
->del_beacon
)
1901 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
1902 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
1905 return rdev
->ops
->del_beacon(&rdev
->wiphy
, dev
);
1908 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
1909 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
1910 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
1911 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
1912 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
1915 static int parse_station_flags(struct genl_info
*info
,
1916 struct station_parameters
*params
)
1918 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
1923 * Try parsing the new attribute first so userspace
1924 * can specify both for older kernels.
1926 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
1928 struct nl80211_sta_flag_update
*sta_flags
;
1930 sta_flags
= nla_data(nla
);
1931 params
->sta_flags_mask
= sta_flags
->mask
;
1932 params
->sta_flags_set
= sta_flags
->set
;
1933 if ((params
->sta_flags_mask
|
1934 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
1939 /* if present, parse the old attribute */
1941 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
1945 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
1946 nla
, sta_flags_policy
))
1949 params
->sta_flags_mask
= (1 << __NL80211_STA_FLAG_AFTER_LAST
) - 1;
1950 params
->sta_flags_mask
&= ~1;
1952 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++)
1954 params
->sta_flags_set
|= (1<<flag
);
1959 static int nl80211_send_station(struct sk_buff
*msg
, u32 pid
, u32 seq
,
1960 int flags
, struct net_device
*dev
,
1961 const u8
*mac_addr
, struct station_info
*sinfo
)
1964 struct nlattr
*sinfoattr
, *txrate
;
1967 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
1971 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1972 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
);
1974 NLA_PUT_U32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
);
1976 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
1978 goto nla_put_failure
;
1979 if (sinfo
->filled
& STATION_INFO_INACTIVE_TIME
)
1980 NLA_PUT_U32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
1981 sinfo
->inactive_time
);
1982 if (sinfo
->filled
& STATION_INFO_RX_BYTES
)
1983 NLA_PUT_U32(msg
, NL80211_STA_INFO_RX_BYTES
,
1985 if (sinfo
->filled
& STATION_INFO_TX_BYTES
)
1986 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_BYTES
,
1988 if (sinfo
->filled
& STATION_INFO_LLID
)
1989 NLA_PUT_U16(msg
, NL80211_STA_INFO_LLID
,
1991 if (sinfo
->filled
& STATION_INFO_PLID
)
1992 NLA_PUT_U16(msg
, NL80211_STA_INFO_PLID
,
1994 if (sinfo
->filled
& STATION_INFO_PLINK_STATE
)
1995 NLA_PUT_U8(msg
, NL80211_STA_INFO_PLINK_STATE
,
1996 sinfo
->plink_state
);
1997 if (sinfo
->filled
& STATION_INFO_SIGNAL
)
1998 NLA_PUT_U8(msg
, NL80211_STA_INFO_SIGNAL
,
2000 if (sinfo
->filled
& STATION_INFO_SIGNAL_AVG
)
2001 NLA_PUT_U8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
2003 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
2004 txrate
= nla_nest_start(msg
, NL80211_STA_INFO_TX_BITRATE
);
2006 goto nla_put_failure
;
2008 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
2009 bitrate
= cfg80211_calculate_bitrate(&sinfo
->txrate
);
2011 NLA_PUT_U16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate
);
2013 if (sinfo
->txrate
.flags
& RATE_INFO_FLAGS_MCS
)
2014 NLA_PUT_U8(msg
, NL80211_RATE_INFO_MCS
,
2016 if (sinfo
->txrate
.flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
)
2017 NLA_PUT_FLAG(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
);
2018 if (sinfo
->txrate
.flags
& RATE_INFO_FLAGS_SHORT_GI
)
2019 NLA_PUT_FLAG(msg
, NL80211_RATE_INFO_SHORT_GI
);
2021 nla_nest_end(msg
, txrate
);
2023 if (sinfo
->filled
& STATION_INFO_RX_PACKETS
)
2024 NLA_PUT_U32(msg
, NL80211_STA_INFO_RX_PACKETS
,
2026 if (sinfo
->filled
& STATION_INFO_TX_PACKETS
)
2027 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_PACKETS
,
2029 if (sinfo
->filled
& STATION_INFO_TX_RETRIES
)
2030 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_RETRIES
,
2032 if (sinfo
->filled
& STATION_INFO_TX_FAILED
)
2033 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_FAILED
,
2035 nla_nest_end(msg
, sinfoattr
);
2037 return genlmsg_end(msg
, hdr
);
2040 genlmsg_cancel(msg
, hdr
);
2044 static int nl80211_dump_station(struct sk_buff
*skb
,
2045 struct netlink_callback
*cb
)
2047 struct station_info sinfo
;
2048 struct cfg80211_registered_device
*dev
;
2049 struct net_device
*netdev
;
2050 u8 mac_addr
[ETH_ALEN
];
2051 int sta_idx
= cb
->args
[1];
2054 err
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
2058 if (!dev
->ops
->dump_station
) {
2064 err
= dev
->ops
->dump_station(&dev
->wiphy
, netdev
, sta_idx
,
2071 if (nl80211_send_station(skb
,
2072 NETLINK_CB(cb
->skb
).pid
,
2073 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2083 cb
->args
[1] = sta_idx
;
2086 nl80211_finish_netdev_dump(dev
);
2091 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
2093 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2094 struct net_device
*dev
= info
->user_ptr
[1];
2095 struct station_info sinfo
;
2096 struct sk_buff
*msg
;
2097 u8
*mac_addr
= NULL
;
2100 memset(&sinfo
, 0, sizeof(sinfo
));
2102 if (!info
->attrs
[NL80211_ATTR_MAC
])
2105 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2107 if (!rdev
->ops
->get_station
)
2110 err
= rdev
->ops
->get_station(&rdev
->wiphy
, dev
, mac_addr
, &sinfo
);
2114 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2118 if (nl80211_send_station(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2119 dev
, mac_addr
, &sinfo
) < 0) {
2124 return genlmsg_reply(msg
, info
);
2128 * Get vlan interface making sure it is running and on the right wiphy.
2130 static int get_vlan(struct genl_info
*info
,
2131 struct cfg80211_registered_device
*rdev
,
2132 struct net_device
**vlan
)
2134 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
2138 *vlan
= dev_get_by_index(genl_info_net(info
),
2139 nla_get_u32(vlanattr
));
2142 if (!(*vlan
)->ieee80211_ptr
)
2144 if ((*vlan
)->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
)
2146 if (!netif_running(*vlan
))
2152 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
2154 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2156 struct net_device
*dev
= info
->user_ptr
[1];
2157 struct station_parameters params
;
2158 u8
*mac_addr
= NULL
;
2160 memset(¶ms
, 0, sizeof(params
));
2162 params
.listen_interval
= -1;
2164 if (info
->attrs
[NL80211_ATTR_STA_AID
])
2167 if (!info
->attrs
[NL80211_ATTR_MAC
])
2170 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2172 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
2173 params
.supported_rates
=
2174 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2175 params
.supported_rates_len
=
2176 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2179 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
2180 params
.listen_interval
=
2181 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
2183 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
2185 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
2187 if (parse_station_flags(info
, ¶ms
))
2190 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
2191 params
.plink_action
=
2192 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
2194 err
= get_vlan(info
, rdev
, ¶ms
.vlan
);
2198 /* validate settings */
2201 switch (dev
->ieee80211_ptr
->iftype
) {
2202 case NL80211_IFTYPE_AP
:
2203 case NL80211_IFTYPE_AP_VLAN
:
2204 case NL80211_IFTYPE_P2P_GO
:
2205 /* disallow mesh-specific things */
2206 if (params
.plink_action
)
2209 case NL80211_IFTYPE_P2P_CLIENT
:
2210 case NL80211_IFTYPE_STATION
:
2211 /* disallow everything but AUTHORIZED flag */
2212 if (params
.plink_action
)
2216 if (params
.supported_rates
)
2220 if (params
.listen_interval
>= 0)
2222 if (params
.sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
2225 case NL80211_IFTYPE_MESH_POINT
:
2226 /* disallow things mesh doesn't support */
2231 if (params
.listen_interval
>= 0)
2233 if (params
.supported_rates
)
2235 if (params
.sta_flags_mask
)
2245 if (!rdev
->ops
->change_station
) {
2250 err
= rdev
->ops
->change_station(&rdev
->wiphy
, dev
, mac_addr
, ¶ms
);
2254 dev_put(params
.vlan
);
2259 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
2261 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2263 struct net_device
*dev
= info
->user_ptr
[1];
2264 struct station_parameters params
;
2265 u8
*mac_addr
= NULL
;
2267 memset(¶ms
, 0, sizeof(params
));
2269 if (!info
->attrs
[NL80211_ATTR_MAC
])
2272 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
2275 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
2278 if (!info
->attrs
[NL80211_ATTR_STA_AID
])
2281 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2282 params
.supported_rates
=
2283 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2284 params
.supported_rates_len
=
2285 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2286 params
.listen_interval
=
2287 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
2289 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
2290 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
2293 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
2295 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
2297 if (parse_station_flags(info
, ¶ms
))
2300 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2301 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
2302 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2305 err
= get_vlan(info
, rdev
, ¶ms
.vlan
);
2309 /* validate settings */
2312 if (!rdev
->ops
->add_station
) {
2317 err
= rdev
->ops
->add_station(&rdev
->wiphy
, dev
, mac_addr
, ¶ms
);
2321 dev_put(params
.vlan
);
2325 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
2327 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2328 struct net_device
*dev
= info
->user_ptr
[1];
2329 u8
*mac_addr
= NULL
;
2331 if (info
->attrs
[NL80211_ATTR_MAC
])
2332 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2334 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2335 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
2336 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
2337 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2340 if (!rdev
->ops
->del_station
)
2343 return rdev
->ops
->del_station(&rdev
->wiphy
, dev
, mac_addr
);
2346 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 pid
, u32 seq
,
2347 int flags
, struct net_device
*dev
,
2348 u8
*dst
, u8
*next_hop
,
2349 struct mpath_info
*pinfo
)
2352 struct nlattr
*pinfoattr
;
2354 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
2358 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
2359 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
);
2360 NLA_PUT(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
);
2362 NLA_PUT_U32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
);
2364 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
2366 goto nla_put_failure
;
2367 if (pinfo
->filled
& MPATH_INFO_FRAME_QLEN
)
2368 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
2370 if (pinfo
->filled
& MPATH_INFO_SN
)
2371 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_SN
,
2373 if (pinfo
->filled
& MPATH_INFO_METRIC
)
2374 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_METRIC
,
2376 if (pinfo
->filled
& MPATH_INFO_EXPTIME
)
2377 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_EXPTIME
,
2379 if (pinfo
->filled
& MPATH_INFO_FLAGS
)
2380 NLA_PUT_U8(msg
, NL80211_MPATH_INFO_FLAGS
,
2382 if (pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
)
2383 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
2384 pinfo
->discovery_timeout
);
2385 if (pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
)
2386 NLA_PUT_U8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
2387 pinfo
->discovery_retries
);
2389 nla_nest_end(msg
, pinfoattr
);
2391 return genlmsg_end(msg
, hdr
);
2394 genlmsg_cancel(msg
, hdr
);
2398 static int nl80211_dump_mpath(struct sk_buff
*skb
,
2399 struct netlink_callback
*cb
)
2401 struct mpath_info pinfo
;
2402 struct cfg80211_registered_device
*dev
;
2403 struct net_device
*netdev
;
2405 u8 next_hop
[ETH_ALEN
];
2406 int path_idx
= cb
->args
[1];
2409 err
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
2413 if (!dev
->ops
->dump_mpath
) {
2418 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
2424 err
= dev
->ops
->dump_mpath(&dev
->wiphy
, netdev
, path_idx
,
2425 dst
, next_hop
, &pinfo
);
2431 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).pid
,
2432 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2433 netdev
, dst
, next_hop
,
2442 cb
->args
[1] = path_idx
;
2445 nl80211_finish_netdev_dump(dev
);
2449 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2451 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2453 struct net_device
*dev
= info
->user_ptr
[1];
2454 struct mpath_info pinfo
;
2455 struct sk_buff
*msg
;
2457 u8 next_hop
[ETH_ALEN
];
2459 memset(&pinfo
, 0, sizeof(pinfo
));
2461 if (!info
->attrs
[NL80211_ATTR_MAC
])
2464 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2466 if (!rdev
->ops
->get_mpath
)
2469 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
2472 err
= rdev
->ops
->get_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
, &pinfo
);
2476 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2480 if (nl80211_send_mpath(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2481 dev
, dst
, next_hop
, &pinfo
) < 0) {
2486 return genlmsg_reply(msg
, info
);
2489 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2491 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2492 struct net_device
*dev
= info
->user_ptr
[1];
2494 u8
*next_hop
= NULL
;
2496 if (!info
->attrs
[NL80211_ATTR_MAC
])
2499 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
2502 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2503 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
2505 if (!rdev
->ops
->change_mpath
)
2508 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
2511 return rdev
->ops
->change_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
);
2514 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2516 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2517 struct net_device
*dev
= info
->user_ptr
[1];
2519 u8
*next_hop
= NULL
;
2521 if (!info
->attrs
[NL80211_ATTR_MAC
])
2524 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
2527 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2528 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
2530 if (!rdev
->ops
->add_mpath
)
2533 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
2536 return rdev
->ops
->add_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
);
2539 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2541 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2542 struct net_device
*dev
= info
->user_ptr
[1];
2545 if (info
->attrs
[NL80211_ATTR_MAC
])
2546 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2548 if (!rdev
->ops
->del_mpath
)
2551 return rdev
->ops
->del_mpath(&rdev
->wiphy
, dev
, dst
);
2554 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
2556 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2557 struct net_device
*dev
= info
->user_ptr
[1];
2558 struct bss_parameters params
;
2560 memset(¶ms
, 0, sizeof(params
));
2561 /* default to not changing parameters */
2562 params
.use_cts_prot
= -1;
2563 params
.use_short_preamble
= -1;
2564 params
.use_short_slot_time
= -1;
2565 params
.ap_isolate
= -1;
2566 params
.ht_opmode
= -1;
2568 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
2569 params
.use_cts_prot
=
2570 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
2571 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
2572 params
.use_short_preamble
=
2573 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
2574 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
2575 params
.use_short_slot_time
=
2576 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
2577 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
2578 params
.basic_rates
=
2579 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
2580 params
.basic_rates_len
=
2581 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
2583 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
2584 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
2585 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
2587 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
2589 if (!rdev
->ops
->change_bss
)
2592 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2593 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2596 return rdev
->ops
->change_bss(&rdev
->wiphy
, dev
, ¶ms
);
2599 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
2600 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
2601 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
2602 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
2603 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
2604 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
2605 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
2608 static int parse_reg_rule(struct nlattr
*tb
[],
2609 struct ieee80211_reg_rule
*reg_rule
)
2611 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
2612 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
2614 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
2616 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
2618 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
2620 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
2622 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
2625 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
2627 freq_range
->start_freq_khz
=
2628 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
2629 freq_range
->end_freq_khz
=
2630 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
2631 freq_range
->max_bandwidth_khz
=
2632 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
2634 power_rule
->max_eirp
=
2635 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
2637 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
2638 power_rule
->max_antenna_gain
=
2639 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
2644 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
2650 * You should only get this when cfg80211 hasn't yet initialized
2651 * completely when built-in to the kernel right between the time
2652 * window between nl80211_init() and regulatory_init(), if that is
2655 mutex_lock(&cfg80211_mutex
);
2656 if (unlikely(!cfg80211_regdomain
)) {
2657 mutex_unlock(&cfg80211_mutex
);
2658 return -EINPROGRESS
;
2660 mutex_unlock(&cfg80211_mutex
);
2662 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
2665 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
2667 r
= regulatory_hint_user(data
);
2672 static int nl80211_get_mesh_params(struct sk_buff
*skb
,
2673 struct genl_info
*info
)
2675 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2676 struct net_device
*dev
= info
->user_ptr
[1];
2677 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2678 struct mesh_config cur_params
;
2681 struct nlattr
*pinfoattr
;
2682 struct sk_buff
*msg
;
2684 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
2687 if (!rdev
->ops
->get_mesh_params
)
2691 /* If not connected, get default parameters */
2692 if (!wdev
->mesh_id_len
)
2693 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
2695 err
= rdev
->ops
->get_mesh_params(&rdev
->wiphy
, dev
,
2702 /* Draw up a netlink message to send back */
2703 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2706 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2707 NL80211_CMD_GET_MESH_PARAMS
);
2709 goto nla_put_failure
;
2710 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_PARAMS
);
2712 goto nla_put_failure
;
2713 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
2714 NLA_PUT_U16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
2715 cur_params
.dot11MeshRetryTimeout
);
2716 NLA_PUT_U16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
2717 cur_params
.dot11MeshConfirmTimeout
);
2718 NLA_PUT_U16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
2719 cur_params
.dot11MeshHoldingTimeout
);
2720 NLA_PUT_U16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
2721 cur_params
.dot11MeshMaxPeerLinks
);
2722 NLA_PUT_U8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
2723 cur_params
.dot11MeshMaxRetries
);
2724 NLA_PUT_U8(msg
, NL80211_MESHCONF_TTL
,
2725 cur_params
.dot11MeshTTL
);
2726 NLA_PUT_U8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
2727 cur_params
.element_ttl
);
2728 NLA_PUT_U8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
2729 cur_params
.auto_open_plinks
);
2730 NLA_PUT_U8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
2731 cur_params
.dot11MeshHWMPmaxPREQretries
);
2732 NLA_PUT_U32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
2733 cur_params
.path_refresh_time
);
2734 NLA_PUT_U16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
2735 cur_params
.min_discovery_timeout
);
2736 NLA_PUT_U32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
2737 cur_params
.dot11MeshHWMPactivePathTimeout
);
2738 NLA_PUT_U16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
2739 cur_params
.dot11MeshHWMPpreqMinInterval
);
2740 NLA_PUT_U16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
2741 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
);
2742 NLA_PUT_U8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
2743 cur_params
.dot11MeshHWMPRootMode
);
2744 nla_nest_end(msg
, pinfoattr
);
2745 genlmsg_end(msg
, hdr
);
2746 return genlmsg_reply(msg
, info
);
2749 genlmsg_cancel(msg
, hdr
);
2754 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
2755 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
2756 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
2757 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
2758 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
2759 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
2760 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
2761 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
2762 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
2764 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
2765 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
2766 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
2767 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
2768 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
2769 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
2772 static int nl80211_parse_mesh_params(struct genl_info
*info
,
2773 struct mesh_config
*cfg
,
2776 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
2779 #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
2781 if (table[attr_num]) {\
2782 cfg->param = nla_fn(table[attr_num]); \
2783 mask |= (1 << (attr_num - 1)); \
2788 if (!info->attrs[NL80211_ATTR_MESH_PARAMS])
2790 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
2791 info
->attrs
[NL80211_ATTR_MESH_PARAMS
],
2792 nl80211_meshconf_params_policy
))
2795 /* This makes sure that there aren't more than 32 mesh config
2796 * parameters (otherwise our bitfield scheme would not work.) */
2797 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
2799 /* Fill in the params struct */
2800 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
,
2801 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
, nla_get_u16
);
2802 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
,
2803 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
, nla_get_u16
);
2804 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
,
2805 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
, nla_get_u16
);
2806 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
,
2807 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
, nla_get_u16
);
2808 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
,
2809 mask
, NL80211_MESHCONF_MAX_RETRIES
, nla_get_u8
);
2810 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
,
2811 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
2812 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
,
2813 mask
, NL80211_MESHCONF_ELEMENT_TTL
, nla_get_u8
);
2814 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
,
2815 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
, nla_get_u8
);
2816 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
,
2817 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
2819 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
,
2820 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
, nla_get_u32
);
2821 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
,
2822 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
2824 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
2825 mask
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
2827 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
2828 mask
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
2830 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
2831 dot11MeshHWMPnetDiameterTraversalTime
,
2832 mask
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
2834 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
2835 dot11MeshHWMPRootMode
, mask
,
2836 NL80211_MESHCONF_HWMP_ROOTMODE
,
2843 #undef FILL_IN_MESH_PARAM_IF_SET
2846 static int nl80211_update_mesh_params(struct sk_buff
*skb
,
2847 struct genl_info
*info
)
2849 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2850 struct net_device
*dev
= info
->user_ptr
[1];
2851 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2852 struct mesh_config cfg
;
2856 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
2859 if (!rdev
->ops
->update_mesh_params
)
2862 err
= nl80211_parse_mesh_params(info
, &cfg
, &mask
);
2867 if (!wdev
->mesh_id_len
)
2871 err
= rdev
->ops
->update_mesh_params(&rdev
->wiphy
, dev
,
2879 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
2881 struct sk_buff
*msg
;
2883 struct nlattr
*nl_reg_rules
;
2887 mutex_lock(&cfg80211_mutex
);
2889 if (!cfg80211_regdomain
)
2892 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2898 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2899 NL80211_CMD_GET_REG
);
2901 goto nla_put_failure
;
2903 NLA_PUT_STRING(msg
, NL80211_ATTR_REG_ALPHA2
,
2904 cfg80211_regdomain
->alpha2
);
2906 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
2908 goto nla_put_failure
;
2910 for (i
= 0; i
< cfg80211_regdomain
->n_reg_rules
; i
++) {
2911 struct nlattr
*nl_reg_rule
;
2912 const struct ieee80211_reg_rule
*reg_rule
;
2913 const struct ieee80211_freq_range
*freq_range
;
2914 const struct ieee80211_power_rule
*power_rule
;
2916 reg_rule
= &cfg80211_regdomain
->reg_rules
[i
];
2917 freq_range
= ®_rule
->freq_range
;
2918 power_rule
= ®_rule
->power_rule
;
2920 nl_reg_rule
= nla_nest_start(msg
, i
);
2922 goto nla_put_failure
;
2924 NLA_PUT_U32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
2926 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
2927 freq_range
->start_freq_khz
);
2928 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
2929 freq_range
->end_freq_khz
);
2930 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
2931 freq_range
->max_bandwidth_khz
);
2932 NLA_PUT_U32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
2933 power_rule
->max_antenna_gain
);
2934 NLA_PUT_U32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
2935 power_rule
->max_eirp
);
2937 nla_nest_end(msg
, nl_reg_rule
);
2940 nla_nest_end(msg
, nl_reg_rules
);
2942 genlmsg_end(msg
, hdr
);
2943 err
= genlmsg_reply(msg
, info
);
2947 genlmsg_cancel(msg
, hdr
);
2951 mutex_unlock(&cfg80211_mutex
);
2955 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
2957 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
2958 struct nlattr
*nl_reg_rule
;
2959 char *alpha2
= NULL
;
2960 int rem_reg_rules
= 0, r
= 0;
2961 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
2962 struct ieee80211_regdomain
*rd
= NULL
;
2964 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
2967 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
2970 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
2972 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
2975 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
2979 mutex_lock(&cfg80211_mutex
);
2981 if (!reg_is_valid_request(alpha2
)) {
2986 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
2987 (num_rules
* sizeof(struct ieee80211_reg_rule
));
2989 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
2995 rd
->n_reg_rules
= num_rules
;
2996 rd
->alpha2
[0] = alpha2
[0];
2997 rd
->alpha2
[1] = alpha2
[1];
2999 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
3001 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
3002 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
3004 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
3010 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
3016 BUG_ON(rule_idx
!= num_rules
);
3020 mutex_unlock(&cfg80211_mutex
);
3025 mutex_unlock(&cfg80211_mutex
);
3030 static int validate_scan_freqs(struct nlattr
*freqs
)
3032 struct nlattr
*attr1
, *attr2
;
3033 int n_channels
= 0, tmp1
, tmp2
;
3035 nla_for_each_nested(attr1
, freqs
, tmp1
) {
3038 * Some hardware has a limited channel list for
3039 * scanning, and it is pretty much nonsensical
3040 * to scan for a channel twice, so disallow that
3041 * and don't require drivers to check that the
3042 * channel list they get isn't longer than what
3043 * they can scan, as long as they can scan all
3044 * the channels they registered at once.
3046 nla_for_each_nested(attr2
, freqs
, tmp2
)
3047 if (attr1
!= attr2
&&
3048 nla_get_u32(attr1
) == nla_get_u32(attr2
))
3055 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
3057 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3058 struct net_device
*dev
= info
->user_ptr
[1];
3059 struct cfg80211_scan_request
*request
;
3060 struct cfg80211_ssid
*ssid
;
3061 struct ieee80211_channel
*channel
;
3062 struct nlattr
*attr
;
3063 struct wiphy
*wiphy
;
3064 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
3065 enum ieee80211_band band
;
3068 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3071 wiphy
= &rdev
->wiphy
;
3073 if (!rdev
->ops
->scan
)
3079 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
3080 n_channels
= validate_scan_freqs(
3081 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
3087 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
3088 if (wiphy
->bands
[band
])
3089 n_channels
+= wiphy
->bands
[band
]->n_channels
;
3092 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
3093 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
3096 if (n_ssids
> wiphy
->max_scan_ssids
)
3099 if (info
->attrs
[NL80211_ATTR_IE
])
3100 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3104 if (ie_len
> wiphy
->max_scan_ie_len
)
3107 request
= kzalloc(sizeof(*request
)
3108 + sizeof(*ssid
) * n_ssids
3109 + sizeof(channel
) * n_channels
3110 + ie_len
, GFP_KERNEL
);
3115 request
->ssids
= (void *)&request
->channels
[n_channels
];
3116 request
->n_ssids
= n_ssids
;
3119 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
3121 request
->ie
= (void *)(request
->channels
+ n_channels
);
3125 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
3126 /* user specified, bail out if channel not found */
3127 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
3128 struct ieee80211_channel
*chan
;
3130 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
3137 /* ignore disabled channels */
3138 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
3141 request
->channels
[i
] = chan
;
3146 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
3148 if (!wiphy
->bands
[band
])
3150 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
3151 struct ieee80211_channel
*chan
;
3153 chan
= &wiphy
->bands
[band
]->channels
[j
];
3155 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
3158 request
->channels
[i
] = chan
;
3169 request
->n_channels
= i
;
3172 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
3173 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
3174 if (request
->ssids
[i
].ssid_len
> IEEE80211_MAX_SSID_LEN
) {
3178 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
3179 request
->ssids
[i
].ssid_len
= nla_len(attr
);
3184 if (info
->attrs
[NL80211_ATTR_IE
]) {
3185 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3186 memcpy((void *)request
->ie
,
3187 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
3192 request
->wiphy
= &rdev
->wiphy
;
3194 rdev
->scan_req
= request
;
3195 err
= rdev
->ops
->scan(&rdev
->wiphy
, dev
, request
);
3198 nl80211_send_scan_start(rdev
, dev
);
3202 rdev
->scan_req
= NULL
;
3209 static int nl80211_send_bss(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
3210 struct cfg80211_registered_device
*rdev
,
3211 struct wireless_dev
*wdev
,
3212 struct cfg80211_internal_bss
*intbss
)
3214 struct cfg80211_bss
*res
= &intbss
->pub
;
3219 ASSERT_WDEV_LOCK(wdev
);
3221 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
,
3222 NL80211_CMD_NEW_SCAN_RESULTS
);
3226 NLA_PUT_U32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
);
3227 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
);
3229 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
3231 goto nla_put_failure
;
3232 if (!is_zero_ether_addr(res
->bssid
))
3233 NLA_PUT(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
);
3234 if (res
->information_elements
&& res
->len_information_elements
)
3235 NLA_PUT(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
3236 res
->len_information_elements
,
3237 res
->information_elements
);
3238 if (res
->beacon_ies
&& res
->len_beacon_ies
&&
3239 res
->beacon_ies
!= res
->information_elements
)
3240 NLA_PUT(msg
, NL80211_BSS_BEACON_IES
,
3241 res
->len_beacon_ies
, res
->beacon_ies
);
3243 NLA_PUT_U64(msg
, NL80211_BSS_TSF
, res
->tsf
);
3244 if (res
->beacon_interval
)
3245 NLA_PUT_U16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
);
3246 NLA_PUT_U16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
);
3247 NLA_PUT_U32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
);
3248 NLA_PUT_U32(msg
, NL80211_BSS_SEEN_MS_AGO
,
3249 jiffies_to_msecs(jiffies
- intbss
->ts
));
3251 switch (rdev
->wiphy
.signal_type
) {
3252 case CFG80211_SIGNAL_TYPE_MBM
:
3253 NLA_PUT_U32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
);
3255 case CFG80211_SIGNAL_TYPE_UNSPEC
:
3256 NLA_PUT_U8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
);
3262 switch (wdev
->iftype
) {
3263 case NL80211_IFTYPE_P2P_CLIENT
:
3264 case NL80211_IFTYPE_STATION
:
3265 if (intbss
== wdev
->current_bss
)
3266 NLA_PUT_U32(msg
, NL80211_BSS_STATUS
,
3267 NL80211_BSS_STATUS_ASSOCIATED
);
3268 else for (i
= 0; i
< MAX_AUTH_BSSES
; i
++) {
3269 if (intbss
!= wdev
->auth_bsses
[i
])
3271 NLA_PUT_U32(msg
, NL80211_BSS_STATUS
,
3272 NL80211_BSS_STATUS_AUTHENTICATED
);
3276 case NL80211_IFTYPE_ADHOC
:
3277 if (intbss
== wdev
->current_bss
)
3278 NLA_PUT_U32(msg
, NL80211_BSS_STATUS
,
3279 NL80211_BSS_STATUS_IBSS_JOINED
);
3285 nla_nest_end(msg
, bss
);
3287 return genlmsg_end(msg
, hdr
);
3290 genlmsg_cancel(msg
, hdr
);
3294 static int nl80211_dump_scan(struct sk_buff
*skb
,
3295 struct netlink_callback
*cb
)
3297 struct cfg80211_registered_device
*rdev
;
3298 struct net_device
*dev
;
3299 struct cfg80211_internal_bss
*scan
;
3300 struct wireless_dev
*wdev
;
3301 int start
= cb
->args
[1], idx
= 0;
3304 err
= nl80211_prepare_netdev_dump(skb
, cb
, &rdev
, &dev
);
3308 wdev
= dev
->ieee80211_ptr
;
3311 spin_lock_bh(&rdev
->bss_lock
);
3312 cfg80211_bss_expire(rdev
);
3314 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
3317 if (nl80211_send_bss(skb
,
3318 NETLINK_CB(cb
->skb
).pid
,
3319 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3320 rdev
, wdev
, scan
) < 0) {
3326 spin_unlock_bh(&rdev
->bss_lock
);
3330 nl80211_finish_netdev_dump(rdev
);
3335 static int nl80211_send_survey(struct sk_buff
*msg
, u32 pid
, u32 seq
,
3336 int flags
, struct net_device
*dev
,
3337 struct survey_info
*survey
)
3340 struct nlattr
*infoattr
;
3342 /* Survey without a channel doesn't make sense */
3343 if (!survey
->channel
)
3346 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
,
3347 NL80211_CMD_NEW_SURVEY_RESULTS
);
3351 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
3353 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
3355 goto nla_put_failure
;
3357 NLA_PUT_U32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
3358 survey
->channel
->center_freq
);
3359 if (survey
->filled
& SURVEY_INFO_NOISE_DBM
)
3360 NLA_PUT_U8(msg
, NL80211_SURVEY_INFO_NOISE
,
3362 if (survey
->filled
& SURVEY_INFO_IN_USE
)
3363 NLA_PUT_FLAG(msg
, NL80211_SURVEY_INFO_IN_USE
);
3364 if (survey
->filled
& SURVEY_INFO_CHANNEL_TIME
)
3365 NLA_PUT_U64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
3366 survey
->channel_time
);
3367 if (survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
)
3368 NLA_PUT_U64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
3369 survey
->channel_time_busy
);
3370 if (survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
)
3371 NLA_PUT_U64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
3372 survey
->channel_time_ext_busy
);
3373 if (survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
)
3374 NLA_PUT_U64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
3375 survey
->channel_time_rx
);
3376 if (survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
)
3377 NLA_PUT_U64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
3378 survey
->channel_time_tx
);
3380 nla_nest_end(msg
, infoattr
);
3382 return genlmsg_end(msg
, hdr
);
3385 genlmsg_cancel(msg
, hdr
);
3389 static int nl80211_dump_survey(struct sk_buff
*skb
,
3390 struct netlink_callback
*cb
)
3392 struct survey_info survey
;
3393 struct cfg80211_registered_device
*dev
;
3394 struct net_device
*netdev
;
3395 int survey_idx
= cb
->args
[1];
3398 res
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
3402 if (!dev
->ops
->dump_survey
) {
3408 res
= dev
->ops
->dump_survey(&dev
->wiphy
, netdev
, survey_idx
,
3415 if (nl80211_send_survey(skb
,
3416 NETLINK_CB(cb
->skb
).pid
,
3417 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3425 cb
->args
[1] = survey_idx
;
3428 nl80211_finish_netdev_dump(dev
);
3432 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type
)
3434 return auth_type
<= NL80211_AUTHTYPE_MAX
;
3437 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
3439 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
3440 NL80211_WPA_VERSION_2
));
3443 static bool nl80211_valid_akm_suite(u32 akm
)
3445 return akm
== WLAN_AKM_SUITE_8021X
||
3446 akm
== WLAN_AKM_SUITE_PSK
;
3449 static bool nl80211_valid_cipher_suite(u32 cipher
)
3451 return cipher
== WLAN_CIPHER_SUITE_WEP40
||
3452 cipher
== WLAN_CIPHER_SUITE_WEP104
||
3453 cipher
== WLAN_CIPHER_SUITE_TKIP
||
3454 cipher
== WLAN_CIPHER_SUITE_CCMP
||
3455 cipher
== WLAN_CIPHER_SUITE_AES_CMAC
;
3459 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
3461 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3462 struct net_device
*dev
= info
->user_ptr
[1];
3463 struct ieee80211_channel
*chan
;
3464 const u8
*bssid
, *ssid
, *ie
= NULL
;
3465 int err
, ssid_len
, ie_len
= 0;
3466 enum nl80211_auth_type auth_type
;
3467 struct key_parse key
;
3468 bool local_state_change
;
3470 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3473 if (!info
->attrs
[NL80211_ATTR_MAC
])
3476 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
3479 if (!info
->attrs
[NL80211_ATTR_SSID
])
3482 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
3485 err
= nl80211_parse_key(info
, &key
);
3490 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
3492 if (!key
.p
.key
|| !key
.p
.key_len
)
3494 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
3495 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
3496 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
3497 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
3509 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
3510 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
3519 if (!rdev
->ops
->auth
)
3522 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
3523 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
3526 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3527 chan
= ieee80211_get_channel(&rdev
->wiphy
,
3528 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
3529 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
3532 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3533 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3535 if (info
->attrs
[NL80211_ATTR_IE
]) {
3536 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3537 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3540 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3541 if (!nl80211_valid_auth_type(auth_type
))
3544 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
3546 return cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
3547 ssid
, ssid_len
, ie
, ie_len
,
3548 key
.p
.key
, key
.p
.key_len
, key
.idx
,
3549 local_state_change
);
3552 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
3553 struct genl_info
*info
,
3554 struct cfg80211_crypto_settings
*settings
,
3557 memset(settings
, 0, sizeof(*settings
));
3559 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
3561 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
3563 proto
= nla_get_u16(
3564 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
3565 settings
->control_port_ethertype
= cpu_to_be16(proto
);
3566 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
3569 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
3570 settings
->control_port_no_encrypt
= true;
3572 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
3574 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
3578 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
3579 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
3580 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
3582 if (len
% sizeof(u32
))
3585 if (settings
->n_ciphers_pairwise
> cipher_limit
)
3588 memcpy(settings
->ciphers_pairwise
, data
, len
);
3590 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
3591 if (!nl80211_valid_cipher_suite(
3592 settings
->ciphers_pairwise
[i
]))
3596 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
3597 settings
->cipher_group
=
3598 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
3599 if (!nl80211_valid_cipher_suite(settings
->cipher_group
))
3603 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
3604 settings
->wpa_versions
=
3605 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
3606 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
3610 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
3614 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
3615 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
3616 settings
->n_akm_suites
= len
/ sizeof(u32
);
3618 if (len
% sizeof(u32
))
3621 memcpy(settings
->akm_suites
, data
, len
);
3623 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
3624 if (!nl80211_valid_akm_suite(settings
->akm_suites
[i
]))
3631 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
3633 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3634 struct net_device
*dev
= info
->user_ptr
[1];
3635 struct cfg80211_crypto_settings crypto
;
3636 struct ieee80211_channel
*chan
;
3637 const u8
*bssid
, *ssid
, *ie
= NULL
, *prev_bssid
= NULL
;
3638 int err
, ssid_len
, ie_len
= 0;
3639 bool use_mfp
= false;
3641 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3644 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
3645 !info
->attrs
[NL80211_ATTR_SSID
] ||
3646 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
3649 if (!rdev
->ops
->assoc
)
3652 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
3653 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
3656 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3658 chan
= ieee80211_get_channel(&rdev
->wiphy
,
3659 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
3660 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
3663 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3664 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3666 if (info
->attrs
[NL80211_ATTR_IE
]) {
3667 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3668 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3671 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
3672 enum nl80211_mfp mfp
=
3673 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
3674 if (mfp
== NL80211_MFP_REQUIRED
)
3676 else if (mfp
!= NL80211_MFP_NO
)
3680 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
3681 prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
3683 err
= nl80211_crypto_settings(rdev
, info
, &crypto
, 1);
3685 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
, prev_bssid
,
3686 ssid
, ssid_len
, ie
, ie_len
, use_mfp
,
3692 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
3694 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3695 struct net_device
*dev
= info
->user_ptr
[1];
3696 const u8
*ie
= NULL
, *bssid
;
3699 bool local_state_change
;
3701 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3704 if (!info
->attrs
[NL80211_ATTR_MAC
])
3707 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
3710 if (!rdev
->ops
->deauth
)
3713 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
3714 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
3717 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3719 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
3720 if (reason_code
== 0) {
3721 /* Reason Code 0 is reserved */
3725 if (info
->attrs
[NL80211_ATTR_IE
]) {
3726 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3727 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3730 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
3732 return cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
3733 local_state_change
);
3736 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
3738 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3739 struct net_device
*dev
= info
->user_ptr
[1];
3740 const u8
*ie
= NULL
, *bssid
;
3743 bool local_state_change
;
3745 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3748 if (!info
->attrs
[NL80211_ATTR_MAC
])
3751 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
3754 if (!rdev
->ops
->disassoc
)
3757 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
3758 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
3761 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3763 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
3764 if (reason_code
== 0) {
3765 /* Reason Code 0 is reserved */
3769 if (info
->attrs
[NL80211_ATTR_IE
]) {
3770 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3771 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3774 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
3776 return cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
3777 local_state_change
);
3781 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
3782 int mcast_rate
[IEEE80211_NUM_BANDS
],
3785 struct wiphy
*wiphy
= &rdev
->wiphy
;
3789 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
3790 struct ieee80211_supported_band
*sband
;
3792 sband
= wiphy
->bands
[band
];
3796 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
3797 if (sband
->bitrates
[i
].bitrate
== rateval
) {
3798 mcast_rate
[band
] = i
+ 1;
3808 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
3810 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3811 struct net_device
*dev
= info
->user_ptr
[1];
3812 struct cfg80211_ibss_params ibss
;
3813 struct wiphy
*wiphy
;
3814 struct cfg80211_cached_keys
*connkeys
= NULL
;
3817 memset(&ibss
, 0, sizeof(ibss
));
3819 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3822 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
3823 !info
->attrs
[NL80211_ATTR_SSID
] ||
3824 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
3827 ibss
.beacon_interval
= 100;
3829 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
3830 ibss
.beacon_interval
=
3831 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
3832 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
3836 if (!rdev
->ops
->join_ibss
)
3839 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
3842 wiphy
= &rdev
->wiphy
;
3844 if (info
->attrs
[NL80211_ATTR_MAC
])
3845 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3846 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3847 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3849 if (info
->attrs
[NL80211_ATTR_IE
]) {
3850 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3851 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3854 ibss
.channel
= ieee80211_get_channel(wiphy
,
3855 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
3856 if (!ibss
.channel
||
3857 ibss
.channel
->flags
& IEEE80211_CHAN_NO_IBSS
||
3858 ibss
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
3861 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
3862 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
3864 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
3866 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
3868 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
3869 struct ieee80211_supported_band
*sband
=
3870 wiphy
->bands
[ibss
.channel
->band
];
3876 for (i
= 0; i
< n_rates
; i
++) {
3877 int rate
= (rates
[i
] & 0x7f) * 5;
3880 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
3881 if (sband
->bitrates
[j
].bitrate
== rate
) {
3883 ibss
.basic_rates
|= BIT(j
);
3892 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
3893 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
3894 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
3897 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
3898 connkeys
= nl80211_parse_connkeys(rdev
,
3899 info
->attrs
[NL80211_ATTR_KEYS
]);
3900 if (IS_ERR(connkeys
))
3901 return PTR_ERR(connkeys
);
3904 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
3910 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
3912 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3913 struct net_device
*dev
= info
->user_ptr
[1];
3915 if (!rdev
->ops
->leave_ibss
)
3918 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
3921 return cfg80211_leave_ibss(rdev
, dev
, false);
3924 #ifdef CONFIG_NL80211_TESTMODE
3925 static struct genl_multicast_group nl80211_testmode_mcgrp
= {
3929 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
3931 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3934 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
3938 if (rdev
->ops
->testmode_cmd
) {
3939 rdev
->testmode_info
= info
;
3940 err
= rdev
->ops
->testmode_cmd(&rdev
->wiphy
,
3941 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
3942 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
3943 rdev
->testmode_info
= NULL
;
3949 static struct sk_buff
*
3950 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device
*rdev
,
3951 int approxlen
, u32 pid
, u32 seq
, gfp_t gfp
)
3953 struct sk_buff
*skb
;
3955 struct nlattr
*data
;
3957 skb
= nlmsg_new(approxlen
+ 100, gfp
);
3961 hdr
= nl80211hdr_put(skb
, pid
, seq
, 0, NL80211_CMD_TESTMODE
);
3967 NLA_PUT_U32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
3968 data
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
3970 ((void **)skb
->cb
)[0] = rdev
;
3971 ((void **)skb
->cb
)[1] = hdr
;
3972 ((void **)skb
->cb
)[2] = data
;
3981 struct sk_buff
*cfg80211_testmode_alloc_reply_skb(struct wiphy
*wiphy
,
3984 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
3986 if (WARN_ON(!rdev
->testmode_info
))
3989 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
,
3990 rdev
->testmode_info
->snd_pid
,
3991 rdev
->testmode_info
->snd_seq
,
3994 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb
);
3996 int cfg80211_testmode_reply(struct sk_buff
*skb
)
3998 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
3999 void *hdr
= ((void **)skb
->cb
)[1];
4000 struct nlattr
*data
= ((void **)skb
->cb
)[2];
4002 if (WARN_ON(!rdev
->testmode_info
)) {
4007 nla_nest_end(skb
, data
);
4008 genlmsg_end(skb
, hdr
);
4009 return genlmsg_reply(skb
, rdev
->testmode_info
);
4011 EXPORT_SYMBOL(cfg80211_testmode_reply
);
4013 struct sk_buff
*cfg80211_testmode_alloc_event_skb(struct wiphy
*wiphy
,
4014 int approxlen
, gfp_t gfp
)
4016 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
4018 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
, 0, 0, gfp
);
4020 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb
);
4022 void cfg80211_testmode_event(struct sk_buff
*skb
, gfp_t gfp
)
4024 void *hdr
= ((void **)skb
->cb
)[1];
4025 struct nlattr
*data
= ((void **)skb
->cb
)[2];
4027 nla_nest_end(skb
, data
);
4028 genlmsg_end(skb
, hdr
);
4029 genlmsg_multicast(skb
, 0, nl80211_testmode_mcgrp
.id
, gfp
);
4031 EXPORT_SYMBOL(cfg80211_testmode_event
);
4034 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
4036 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4037 struct net_device
*dev
= info
->user_ptr
[1];
4038 struct cfg80211_connect_params connect
;
4039 struct wiphy
*wiphy
;
4040 struct cfg80211_cached_keys
*connkeys
= NULL
;
4043 memset(&connect
, 0, sizeof(connect
));
4045 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4048 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
4049 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
4052 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
4054 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
4055 if (!nl80211_valid_auth_type(connect
.auth_type
))
4058 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
4060 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
4062 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
4063 NL80211_MAX_NR_CIPHER_SUITES
);
4067 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4068 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4071 wiphy
= &rdev
->wiphy
;
4073 if (info
->attrs
[NL80211_ATTR_MAC
])
4074 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4075 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
4076 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
4078 if (info
->attrs
[NL80211_ATTR_IE
]) {
4079 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
4080 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4083 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
4085 ieee80211_get_channel(wiphy
,
4086 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
4087 if (!connect
.channel
||
4088 connect
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
4092 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
4093 connkeys
= nl80211_parse_connkeys(rdev
,
4094 info
->attrs
[NL80211_ATTR_KEYS
]);
4095 if (IS_ERR(connkeys
))
4096 return PTR_ERR(connkeys
);
4099 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
);
4105 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
4107 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4108 struct net_device
*dev
= info
->user_ptr
[1];
4111 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
4112 reason
= WLAN_REASON_DEAUTH_LEAVING
;
4114 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4119 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4120 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4123 return cfg80211_disconnect(rdev
, dev
, reason
, true);
4126 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
4128 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4133 if (!info
->attrs
[NL80211_ATTR_PID
])
4136 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
4138 net
= get_net_ns_by_pid(pid
);
4140 return PTR_ERR(net
);
4144 /* check if anything to do */
4145 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
4146 err
= cfg80211_switch_netns(rdev
, net
);
4152 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
4154 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4155 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
4156 struct cfg80211_pmksa
*pmksa
) = NULL
;
4157 struct net_device
*dev
= info
->user_ptr
[1];
4158 struct cfg80211_pmksa pmksa
;
4160 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
4162 if (!info
->attrs
[NL80211_ATTR_MAC
])
4165 if (!info
->attrs
[NL80211_ATTR_PMKID
])
4168 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
4169 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4171 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4172 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4175 switch (info
->genlhdr
->cmd
) {
4176 case NL80211_CMD_SET_PMKSA
:
4177 rdev_ops
= rdev
->ops
->set_pmksa
;
4179 case NL80211_CMD_DEL_PMKSA
:
4180 rdev_ops
= rdev
->ops
->del_pmksa
;
4190 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
4193 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
4195 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4196 struct net_device
*dev
= info
->user_ptr
[1];
4198 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4199 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4202 if (!rdev
->ops
->flush_pmksa
)
4205 return rdev
->ops
->flush_pmksa(&rdev
->wiphy
, dev
);
4208 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
4209 struct genl_info
*info
)
4211 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4212 struct net_device
*dev
= info
->user_ptr
[1];
4213 struct ieee80211_channel
*chan
;
4214 struct sk_buff
*msg
;
4217 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
4221 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
4222 !info
->attrs
[NL80211_ATTR_DURATION
])
4225 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
4228 * We should be on that channel for at least one jiffie,
4229 * and more than 5 seconds seems excessive.
4231 if (!duration
|| !msecs_to_jiffies(duration
) || duration
> 5000)
4234 if (!rdev
->ops
->remain_on_channel
)
4237 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
4238 channel_type
= nla_get_u32(
4239 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
4240 if (channel_type
!= NL80211_CHAN_NO_HT
&&
4241 channel_type
!= NL80211_CHAN_HT20
&&
4242 channel_type
!= NL80211_CHAN_HT40PLUS
&&
4243 channel_type
!= NL80211_CHAN_HT40MINUS
)
4247 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
4248 chan
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
4252 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4256 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
4257 NL80211_CMD_REMAIN_ON_CHANNEL
);
4264 err
= rdev
->ops
->remain_on_channel(&rdev
->wiphy
, dev
, chan
,
4265 channel_type
, duration
, &cookie
);
4270 NLA_PUT_U64(msg
, NL80211_ATTR_COOKIE
, cookie
);
4272 genlmsg_end(msg
, hdr
);
4274 return genlmsg_reply(msg
, info
);
4283 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
4284 struct genl_info
*info
)
4286 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4287 struct net_device
*dev
= info
->user_ptr
[1];
4290 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
4293 if (!rdev
->ops
->cancel_remain_on_channel
)
4296 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
4298 return rdev
->ops
->cancel_remain_on_channel(&rdev
->wiphy
, dev
, cookie
);
4301 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
4302 u8
*rates
, u8 rates_len
)
4307 for (i
= 0; i
< rates_len
; i
++) {
4308 int rate
= (rates
[i
] & 0x7f) * 5;
4310 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
4311 struct ieee80211_rate
*srate
=
4312 &sband
->bitrates
[ridx
];
4313 if (rate
== srate
->bitrate
) {
4318 if (ridx
== sband
->n_bitrates
)
4319 return 0; /* rate not found */
4325 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
4326 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
4327 .len
= NL80211_MAX_SUPP_RATES
},
4330 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
4331 struct genl_info
*info
)
4333 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
4334 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4335 struct cfg80211_bitrate_mask mask
;
4337 struct net_device
*dev
= info
->user_ptr
[1];
4338 struct nlattr
*tx_rates
;
4339 struct ieee80211_supported_band
*sband
;
4341 if (info
->attrs
[NL80211_ATTR_TX_RATES
] == NULL
)
4344 if (!rdev
->ops
->set_bitrate_mask
)
4347 memset(&mask
, 0, sizeof(mask
));
4348 /* Default to all rates enabled */
4349 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
4350 sband
= rdev
->wiphy
.bands
[i
];
4351 mask
.control
[i
].legacy
=
4352 sband
? (1 << sband
->n_bitrates
) - 1 : 0;
4356 * The nested attribute uses enum nl80211_band as the index. This maps
4357 * directly to the enum ieee80211_band values used in cfg80211.
4359 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
)
4361 enum ieee80211_band band
= nla_type(tx_rates
);
4362 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
4364 sband
= rdev
->wiphy
.bands
[band
];
4367 nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
4368 nla_len(tx_rates
), nl80211_txattr_policy
);
4369 if (tb
[NL80211_TXRATE_LEGACY
]) {
4370 mask
.control
[band
].legacy
= rateset_to_mask(
4372 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
4373 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
4374 if (mask
.control
[band
].legacy
== 0)
4379 return rdev
->ops
->set_bitrate_mask(&rdev
->wiphy
, dev
, NULL
, &mask
);
4382 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
4384 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4385 struct net_device
*dev
= info
->user_ptr
[1];
4386 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
4388 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
4391 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
4392 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
4394 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4395 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
4396 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
4397 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4398 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4399 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4402 /* not much point in registering if we can't reply */
4403 if (!rdev
->ops
->mgmt_tx
)
4406 return cfg80211_mlme_register_mgmt(dev
->ieee80211_ptr
, info
->snd_pid
,
4408 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
4409 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
4412 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
4414 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4415 struct net_device
*dev
= info
->user_ptr
[1];
4416 struct ieee80211_channel
*chan
;
4417 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
4418 bool channel_type_valid
= false;
4423 struct sk_buff
*msg
;
4424 unsigned int wait
= 0;
4427 if (!info
->attrs
[NL80211_ATTR_FRAME
] ||
4428 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
4431 if (!rdev
->ops
->mgmt_tx
)
4434 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4435 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
4436 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
4437 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4438 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4439 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4442 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
4443 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
4445 wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
4448 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
4449 channel_type
= nla_get_u32(
4450 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
4451 if (channel_type
!= NL80211_CHAN_NO_HT
&&
4452 channel_type
!= NL80211_CHAN_HT20
&&
4453 channel_type
!= NL80211_CHAN_HT40PLUS
&&
4454 channel_type
!= NL80211_CHAN_HT40MINUS
)
4456 channel_type_valid
= true;
4459 offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
4461 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
4462 chan
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
4466 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4470 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
4477 err
= cfg80211_mlme_mgmt_tx(rdev
, dev
, chan
, offchan
, channel_type
,
4478 channel_type_valid
, wait
,
4479 nla_data(info
->attrs
[NL80211_ATTR_FRAME
]),
4480 nla_len(info
->attrs
[NL80211_ATTR_FRAME
]),
4485 NLA_PUT_U64(msg
, NL80211_ATTR_COOKIE
, cookie
);
4487 genlmsg_end(msg
, hdr
);
4488 return genlmsg_reply(msg
, info
);
4497 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
4499 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4500 struct net_device
*dev
= info
->user_ptr
[1];
4503 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
4506 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
4509 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4510 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
4511 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
4512 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4513 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4514 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4517 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
4519 return rdev
->ops
->mgmt_tx_cancel_wait(&rdev
->wiphy
, dev
, cookie
);
4522 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
4524 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4525 struct wireless_dev
*wdev
;
4526 struct net_device
*dev
= info
->user_ptr
[1];
4531 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
4534 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
4536 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
4539 wdev
= dev
->ieee80211_ptr
;
4541 if (!rdev
->ops
->set_power_mgmt
)
4544 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
4546 if (state
== wdev
->ps
)
4549 err
= rdev
->ops
->set_power_mgmt(wdev
->wiphy
, dev
, state
,
4556 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
4558 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4559 enum nl80211_ps_state ps_state
;
4560 struct wireless_dev
*wdev
;
4561 struct net_device
*dev
= info
->user_ptr
[1];
4562 struct sk_buff
*msg
;
4566 wdev
= dev
->ieee80211_ptr
;
4568 if (!rdev
->ops
->set_power_mgmt
)
4571 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4575 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
4576 NL80211_CMD_GET_POWER_SAVE
);
4583 ps_state
= NL80211_PS_ENABLED
;
4585 ps_state
= NL80211_PS_DISABLED
;
4587 NLA_PUT_U32(msg
, NL80211_ATTR_PS_STATE
, ps_state
);
4589 genlmsg_end(msg
, hdr
);
4590 return genlmsg_reply(msg
, info
);
4599 static struct nla_policy
4600 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] __read_mostly
= {
4601 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
4602 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
4603 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
4606 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
4607 s32 threshold
, u32 hysteresis
)
4609 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4610 struct wireless_dev
*wdev
;
4611 struct net_device
*dev
= info
->user_ptr
[1];
4616 wdev
= dev
->ieee80211_ptr
;
4618 if (!rdev
->ops
->set_cqm_rssi_config
)
4621 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
4622 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4625 return rdev
->ops
->set_cqm_rssi_config(wdev
->wiphy
, dev
,
4626 threshold
, hysteresis
);
4629 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
4631 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
4635 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
4641 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
4642 nl80211_attr_cqm_policy
);
4646 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
4647 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
4650 threshold
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
4651 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
4652 err
= nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
4660 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
4662 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4663 struct net_device
*dev
= info
->user_ptr
[1];
4664 struct mesh_config cfg
;
4667 /* start with default */
4668 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
4670 if (info
->attrs
[NL80211_ATTR_MESH_PARAMS
]) {
4671 /* and parse parameters if given */
4672 err
= nl80211_parse_mesh_params(info
, &cfg
, NULL
);
4677 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
4678 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
4681 return cfg80211_join_mesh(rdev
, dev
,
4682 nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
4683 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]),
4687 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
4689 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4690 struct net_device
*dev
= info
->user_ptr
[1];
4692 return cfg80211_leave_mesh(rdev
, dev
);
4695 #define NL80211_FLAG_NEED_WIPHY 0x01
4696 #define NL80211_FLAG_NEED_NETDEV 0x02
4697 #define NL80211_FLAG_NEED_RTNL 0x04
4698 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
4699 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
4700 NL80211_FLAG_CHECK_NETDEV_UP)
4702 static int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
4703 struct genl_info
*info
)
4705 struct cfg80211_registered_device
*rdev
;
4706 struct net_device
*dev
;
4708 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
4713 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
4714 rdev
= cfg80211_get_dev_from_info(info
);
4718 return PTR_ERR(rdev
);
4720 info
->user_ptr
[0] = rdev
;
4721 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
4722 err
= get_rdev_dev_by_info_ifindex(info
, &rdev
, &dev
);
4728 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
4729 !netif_running(dev
)) {
4730 cfg80211_unlock_rdev(rdev
);
4736 info
->user_ptr
[0] = rdev
;
4737 info
->user_ptr
[1] = dev
;
4743 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
4744 struct genl_info
*info
)
4746 if (info
->user_ptr
[0])
4747 cfg80211_unlock_rdev(info
->user_ptr
[0]);
4748 if (info
->user_ptr
[1])
4749 dev_put(info
->user_ptr
[1]);
4750 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
4754 static struct genl_ops nl80211_ops
[] = {
4756 .cmd
= NL80211_CMD_GET_WIPHY
,
4757 .doit
= nl80211_get_wiphy
,
4758 .dumpit
= nl80211_dump_wiphy
,
4759 .policy
= nl80211_policy
,
4760 /* can be retrieved by unprivileged users */
4761 .internal_flags
= NL80211_FLAG_NEED_WIPHY
,
4764 .cmd
= NL80211_CMD_SET_WIPHY
,
4765 .doit
= nl80211_set_wiphy
,
4766 .policy
= nl80211_policy
,
4767 .flags
= GENL_ADMIN_PERM
,
4768 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
4771 .cmd
= NL80211_CMD_GET_INTERFACE
,
4772 .doit
= nl80211_get_interface
,
4773 .dumpit
= nl80211_dump_interface
,
4774 .policy
= nl80211_policy
,
4775 /* can be retrieved by unprivileged users */
4776 .internal_flags
= NL80211_FLAG_NEED_NETDEV
,
4779 .cmd
= NL80211_CMD_SET_INTERFACE
,
4780 .doit
= nl80211_set_interface
,
4781 .policy
= nl80211_policy
,
4782 .flags
= GENL_ADMIN_PERM
,
4783 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4784 NL80211_FLAG_NEED_RTNL
,
4787 .cmd
= NL80211_CMD_NEW_INTERFACE
,
4788 .doit
= nl80211_new_interface
,
4789 .policy
= nl80211_policy
,
4790 .flags
= GENL_ADMIN_PERM
,
4791 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
4792 NL80211_FLAG_NEED_RTNL
,
4795 .cmd
= NL80211_CMD_DEL_INTERFACE
,
4796 .doit
= nl80211_del_interface
,
4797 .policy
= nl80211_policy
,
4798 .flags
= GENL_ADMIN_PERM
,
4799 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4800 NL80211_FLAG_NEED_RTNL
,
4803 .cmd
= NL80211_CMD_GET_KEY
,
4804 .doit
= nl80211_get_key
,
4805 .policy
= nl80211_policy
,
4806 .flags
= GENL_ADMIN_PERM
,
4807 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4808 NL80211_FLAG_NEED_RTNL
,
4811 .cmd
= NL80211_CMD_SET_KEY
,
4812 .doit
= nl80211_set_key
,
4813 .policy
= nl80211_policy
,
4814 .flags
= GENL_ADMIN_PERM
,
4815 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4816 NL80211_FLAG_NEED_RTNL
,
4819 .cmd
= NL80211_CMD_NEW_KEY
,
4820 .doit
= nl80211_new_key
,
4821 .policy
= nl80211_policy
,
4822 .flags
= GENL_ADMIN_PERM
,
4823 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4824 NL80211_FLAG_NEED_RTNL
,
4827 .cmd
= NL80211_CMD_DEL_KEY
,
4828 .doit
= nl80211_del_key
,
4829 .policy
= nl80211_policy
,
4830 .flags
= GENL_ADMIN_PERM
,
4831 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4832 NL80211_FLAG_NEED_RTNL
,
4835 .cmd
= NL80211_CMD_SET_BEACON
,
4836 .policy
= nl80211_policy
,
4837 .flags
= GENL_ADMIN_PERM
,
4838 .doit
= nl80211_addset_beacon
,
4839 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4840 NL80211_FLAG_NEED_RTNL
,
4843 .cmd
= NL80211_CMD_NEW_BEACON
,
4844 .policy
= nl80211_policy
,
4845 .flags
= GENL_ADMIN_PERM
,
4846 .doit
= nl80211_addset_beacon
,
4847 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4848 NL80211_FLAG_NEED_RTNL
,
4851 .cmd
= NL80211_CMD_DEL_BEACON
,
4852 .policy
= nl80211_policy
,
4853 .flags
= GENL_ADMIN_PERM
,
4854 .doit
= nl80211_del_beacon
,
4855 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4856 NL80211_FLAG_NEED_RTNL
,
4859 .cmd
= NL80211_CMD_GET_STATION
,
4860 .doit
= nl80211_get_station
,
4861 .dumpit
= nl80211_dump_station
,
4862 .policy
= nl80211_policy
,
4863 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4864 NL80211_FLAG_NEED_RTNL
,
4867 .cmd
= NL80211_CMD_SET_STATION
,
4868 .doit
= nl80211_set_station
,
4869 .policy
= nl80211_policy
,
4870 .flags
= GENL_ADMIN_PERM
,
4871 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4872 NL80211_FLAG_NEED_RTNL
,
4875 .cmd
= NL80211_CMD_NEW_STATION
,
4876 .doit
= nl80211_new_station
,
4877 .policy
= nl80211_policy
,
4878 .flags
= GENL_ADMIN_PERM
,
4879 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4880 NL80211_FLAG_NEED_RTNL
,
4883 .cmd
= NL80211_CMD_DEL_STATION
,
4884 .doit
= nl80211_del_station
,
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_GET_MPATH
,
4892 .doit
= nl80211_get_mpath
,
4893 .dumpit
= nl80211_dump_mpath
,
4894 .policy
= nl80211_policy
,
4895 .flags
= GENL_ADMIN_PERM
,
4896 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4897 NL80211_FLAG_NEED_RTNL
,
4900 .cmd
= NL80211_CMD_SET_MPATH
,
4901 .doit
= nl80211_set_mpath
,
4902 .policy
= nl80211_policy
,
4903 .flags
= GENL_ADMIN_PERM
,
4904 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4905 NL80211_FLAG_NEED_RTNL
,
4908 .cmd
= NL80211_CMD_NEW_MPATH
,
4909 .doit
= nl80211_new_mpath
,
4910 .policy
= nl80211_policy
,
4911 .flags
= GENL_ADMIN_PERM
,
4912 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4913 NL80211_FLAG_NEED_RTNL
,
4916 .cmd
= NL80211_CMD_DEL_MPATH
,
4917 .doit
= nl80211_del_mpath
,
4918 .policy
= nl80211_policy
,
4919 .flags
= GENL_ADMIN_PERM
,
4920 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4921 NL80211_FLAG_NEED_RTNL
,
4924 .cmd
= NL80211_CMD_SET_BSS
,
4925 .doit
= nl80211_set_bss
,
4926 .policy
= nl80211_policy
,
4927 .flags
= GENL_ADMIN_PERM
,
4928 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4929 NL80211_FLAG_NEED_RTNL
,
4932 .cmd
= NL80211_CMD_GET_REG
,
4933 .doit
= nl80211_get_reg
,
4934 .policy
= nl80211_policy
,
4935 /* can be retrieved by unprivileged users */
4938 .cmd
= NL80211_CMD_SET_REG
,
4939 .doit
= nl80211_set_reg
,
4940 .policy
= nl80211_policy
,
4941 .flags
= GENL_ADMIN_PERM
,
4944 .cmd
= NL80211_CMD_REQ_SET_REG
,
4945 .doit
= nl80211_req_set_reg
,
4946 .policy
= nl80211_policy
,
4947 .flags
= GENL_ADMIN_PERM
,
4950 .cmd
= NL80211_CMD_GET_MESH_PARAMS
,
4951 .doit
= nl80211_get_mesh_params
,
4952 .policy
= nl80211_policy
,
4953 /* can be retrieved by unprivileged users */
4954 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
4955 NL80211_FLAG_NEED_RTNL
,
4958 .cmd
= NL80211_CMD_SET_MESH_PARAMS
,
4959 .doit
= nl80211_update_mesh_params
,
4960 .policy
= nl80211_policy
,
4961 .flags
= GENL_ADMIN_PERM
,
4962 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4963 NL80211_FLAG_NEED_RTNL
,
4966 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
4967 .doit
= nl80211_trigger_scan
,
4968 .policy
= nl80211_policy
,
4969 .flags
= GENL_ADMIN_PERM
,
4970 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4971 NL80211_FLAG_NEED_RTNL
,
4974 .cmd
= NL80211_CMD_GET_SCAN
,
4975 .policy
= nl80211_policy
,
4976 .dumpit
= nl80211_dump_scan
,
4979 .cmd
= NL80211_CMD_AUTHENTICATE
,
4980 .doit
= nl80211_authenticate
,
4981 .policy
= nl80211_policy
,
4982 .flags
= GENL_ADMIN_PERM
,
4983 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4984 NL80211_FLAG_NEED_RTNL
,
4987 .cmd
= NL80211_CMD_ASSOCIATE
,
4988 .doit
= nl80211_associate
,
4989 .policy
= nl80211_policy
,
4990 .flags
= GENL_ADMIN_PERM
,
4991 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
4992 NL80211_FLAG_NEED_RTNL
,
4995 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
4996 .doit
= nl80211_deauthenticate
,
4997 .policy
= nl80211_policy
,
4998 .flags
= GENL_ADMIN_PERM
,
4999 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5000 NL80211_FLAG_NEED_RTNL
,
5003 .cmd
= NL80211_CMD_DISASSOCIATE
,
5004 .doit
= nl80211_disassociate
,
5005 .policy
= nl80211_policy
,
5006 .flags
= GENL_ADMIN_PERM
,
5007 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5008 NL80211_FLAG_NEED_RTNL
,
5011 .cmd
= NL80211_CMD_JOIN_IBSS
,
5012 .doit
= nl80211_join_ibss
,
5013 .policy
= nl80211_policy
,
5014 .flags
= GENL_ADMIN_PERM
,
5015 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5016 NL80211_FLAG_NEED_RTNL
,
5019 .cmd
= NL80211_CMD_LEAVE_IBSS
,
5020 .doit
= nl80211_leave_ibss
,
5021 .policy
= nl80211_policy
,
5022 .flags
= GENL_ADMIN_PERM
,
5023 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5024 NL80211_FLAG_NEED_RTNL
,
5026 #ifdef CONFIG_NL80211_TESTMODE
5028 .cmd
= NL80211_CMD_TESTMODE
,
5029 .doit
= nl80211_testmode_do
,
5030 .policy
= nl80211_policy
,
5031 .flags
= GENL_ADMIN_PERM
,
5032 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
5033 NL80211_FLAG_NEED_RTNL
,
5037 .cmd
= NL80211_CMD_CONNECT
,
5038 .doit
= nl80211_connect
,
5039 .policy
= nl80211_policy
,
5040 .flags
= GENL_ADMIN_PERM
,
5041 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5042 NL80211_FLAG_NEED_RTNL
,
5045 .cmd
= NL80211_CMD_DISCONNECT
,
5046 .doit
= nl80211_disconnect
,
5047 .policy
= nl80211_policy
,
5048 .flags
= GENL_ADMIN_PERM
,
5049 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5050 NL80211_FLAG_NEED_RTNL
,
5053 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
5054 .doit
= nl80211_wiphy_netns
,
5055 .policy
= nl80211_policy
,
5056 .flags
= GENL_ADMIN_PERM
,
5057 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
5058 NL80211_FLAG_NEED_RTNL
,
5061 .cmd
= NL80211_CMD_GET_SURVEY
,
5062 .policy
= nl80211_policy
,
5063 .dumpit
= nl80211_dump_survey
,
5066 .cmd
= NL80211_CMD_SET_PMKSA
,
5067 .doit
= nl80211_setdel_pmksa
,
5068 .policy
= nl80211_policy
,
5069 .flags
= GENL_ADMIN_PERM
,
5070 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5071 NL80211_FLAG_NEED_RTNL
,
5074 .cmd
= NL80211_CMD_DEL_PMKSA
,
5075 .doit
= nl80211_setdel_pmksa
,
5076 .policy
= nl80211_policy
,
5077 .flags
= GENL_ADMIN_PERM
,
5078 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5079 NL80211_FLAG_NEED_RTNL
,
5082 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
5083 .doit
= nl80211_flush_pmksa
,
5084 .policy
= nl80211_policy
,
5085 .flags
= GENL_ADMIN_PERM
,
5086 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5087 NL80211_FLAG_NEED_RTNL
,
5090 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
5091 .doit
= nl80211_remain_on_channel
,
5092 .policy
= nl80211_policy
,
5093 .flags
= GENL_ADMIN_PERM
,
5094 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5095 NL80211_FLAG_NEED_RTNL
,
5098 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
5099 .doit
= nl80211_cancel_remain_on_channel
,
5100 .policy
= nl80211_policy
,
5101 .flags
= GENL_ADMIN_PERM
,
5102 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5103 NL80211_FLAG_NEED_RTNL
,
5106 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
5107 .doit
= nl80211_set_tx_bitrate_mask
,
5108 .policy
= nl80211_policy
,
5109 .flags
= GENL_ADMIN_PERM
,
5110 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5111 NL80211_FLAG_NEED_RTNL
,
5114 .cmd
= NL80211_CMD_REGISTER_FRAME
,
5115 .doit
= nl80211_register_mgmt
,
5116 .policy
= nl80211_policy
,
5117 .flags
= GENL_ADMIN_PERM
,
5118 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5119 NL80211_FLAG_NEED_RTNL
,
5122 .cmd
= NL80211_CMD_FRAME
,
5123 .doit
= nl80211_tx_mgmt
,
5124 .policy
= nl80211_policy
,
5125 .flags
= GENL_ADMIN_PERM
,
5126 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5127 NL80211_FLAG_NEED_RTNL
,
5130 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
5131 .doit
= nl80211_tx_mgmt_cancel_wait
,
5132 .policy
= nl80211_policy
,
5133 .flags
= GENL_ADMIN_PERM
,
5134 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5135 NL80211_FLAG_NEED_RTNL
,
5138 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
5139 .doit
= nl80211_set_power_save
,
5140 .policy
= nl80211_policy
,
5141 .flags
= GENL_ADMIN_PERM
,
5142 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5143 NL80211_FLAG_NEED_RTNL
,
5146 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
5147 .doit
= nl80211_get_power_save
,
5148 .policy
= nl80211_policy
,
5149 /* can be retrieved by unprivileged users */
5150 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5151 NL80211_FLAG_NEED_RTNL
,
5154 .cmd
= NL80211_CMD_SET_CQM
,
5155 .doit
= nl80211_set_cqm
,
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_SET_CHANNEL
,
5163 .doit
= nl80211_set_channel
,
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_SET_WDS_PEER
,
5171 .doit
= nl80211_set_wds_peer
,
5172 .policy
= nl80211_policy
,
5173 .flags
= GENL_ADMIN_PERM
,
5174 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5175 NL80211_FLAG_NEED_RTNL
,
5178 .cmd
= NL80211_CMD_JOIN_MESH
,
5179 .doit
= nl80211_join_mesh
,
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_LEAVE_MESH
,
5187 .doit
= nl80211_leave_mesh
,
5188 .policy
= nl80211_policy
,
5189 .flags
= GENL_ADMIN_PERM
,
5190 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5191 NL80211_FLAG_NEED_RTNL
,
5195 static struct genl_multicast_group nl80211_mlme_mcgrp
= {
5199 /* multicast groups */
5200 static struct genl_multicast_group nl80211_config_mcgrp
= {
5203 static struct genl_multicast_group nl80211_scan_mcgrp
= {
5206 static struct genl_multicast_group nl80211_regulatory_mcgrp
= {
5207 .name
= "regulatory",
5210 /* notification functions */
5212 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
5214 struct sk_buff
*msg
;
5216 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5220 if (nl80211_send_wiphy(msg
, 0, 0, 0, rdev
) < 0) {
5225 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5226 nl80211_config_mcgrp
.id
, GFP_KERNEL
);
5229 static int nl80211_add_scan_req(struct sk_buff
*msg
,
5230 struct cfg80211_registered_device
*rdev
)
5232 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
5233 struct nlattr
*nest
;
5236 ASSERT_RDEV_LOCK(rdev
);
5241 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
5243 goto nla_put_failure
;
5244 for (i
= 0; i
< req
->n_ssids
; i
++)
5245 NLA_PUT(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
);
5246 nla_nest_end(msg
, nest
);
5248 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
5250 goto nla_put_failure
;
5251 for (i
= 0; i
< req
->n_channels
; i
++)
5252 NLA_PUT_U32(msg
, i
, req
->channels
[i
]->center_freq
);
5253 nla_nest_end(msg
, nest
);
5256 NLA_PUT(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
);
5263 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
5264 struct cfg80211_registered_device
*rdev
,
5265 struct net_device
*netdev
,
5266 u32 pid
, u32 seq
, int flags
,
5271 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, cmd
);
5275 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5276 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5278 /* ignore errors and send incomplete event anyway */
5279 nl80211_add_scan_req(msg
, rdev
);
5281 return genlmsg_end(msg
, hdr
);
5284 genlmsg_cancel(msg
, hdr
);
5288 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
5289 struct net_device
*netdev
)
5291 struct sk_buff
*msg
;
5293 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
5297 if (nl80211_send_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
5298 NL80211_CMD_TRIGGER_SCAN
) < 0) {
5303 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5304 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
5307 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
5308 struct net_device
*netdev
)
5310 struct sk_buff
*msg
;
5312 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5316 if (nl80211_send_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
5317 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
5322 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5323 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
5326 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
5327 struct net_device
*netdev
)
5329 struct sk_buff
*msg
;
5331 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5335 if (nl80211_send_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
5336 NL80211_CMD_SCAN_ABORTED
) < 0) {
5341 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5342 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
5346 * This can happen on global regulatory changes or device specific settings
5347 * based on custom world regulatory domains.
5349 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
5351 struct sk_buff
*msg
;
5354 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5358 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
5364 /* Userspace can always count this one always being set */
5365 NLA_PUT_U8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
);
5367 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0')
5368 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
5369 NL80211_REGDOM_TYPE_WORLD
);
5370 else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9')
5371 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
5372 NL80211_REGDOM_TYPE_CUSTOM_WORLD
);
5373 else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
5375 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
5376 NL80211_REGDOM_TYPE_INTERSECTION
);
5378 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
5379 NL80211_REGDOM_TYPE_COUNTRY
);
5380 NLA_PUT_STRING(msg
, NL80211_ATTR_REG_ALPHA2
, request
->alpha2
);
5383 if (wiphy_idx_valid(request
->wiphy_idx
))
5384 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
);
5386 if (genlmsg_end(msg
, hdr
) < 0) {
5392 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
5399 genlmsg_cancel(msg
, hdr
);
5403 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
5404 struct net_device
*netdev
,
5405 const u8
*buf
, size_t len
,
5406 enum nl80211_commands cmd
, gfp_t gfp
)
5408 struct sk_buff
*msg
;
5411 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
5415 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
5421 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5422 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5423 NLA_PUT(msg
, NL80211_ATTR_FRAME
, len
, buf
);
5425 if (genlmsg_end(msg
, hdr
) < 0) {
5430 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5431 nl80211_mlme_mcgrp
.id
, gfp
);
5435 genlmsg_cancel(msg
, hdr
);
5439 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
5440 struct net_device
*netdev
, const u8
*buf
,
5441 size_t len
, gfp_t gfp
)
5443 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
5444 NL80211_CMD_AUTHENTICATE
, gfp
);
5447 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
5448 struct net_device
*netdev
, const u8
*buf
,
5449 size_t len
, gfp_t gfp
)
5451 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
5452 NL80211_CMD_ASSOCIATE
, gfp
);
5455 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
5456 struct net_device
*netdev
, const u8
*buf
,
5457 size_t len
, gfp_t gfp
)
5459 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
5460 NL80211_CMD_DEAUTHENTICATE
, gfp
);
5463 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
5464 struct net_device
*netdev
, const u8
*buf
,
5465 size_t len
, gfp_t gfp
)
5467 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
5468 NL80211_CMD_DISASSOCIATE
, gfp
);
5471 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
5472 struct net_device
*netdev
, int cmd
,
5473 const u8
*addr
, gfp_t gfp
)
5475 struct sk_buff
*msg
;
5478 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
5482 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
5488 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5489 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5490 NLA_PUT_FLAG(msg
, NL80211_ATTR_TIMED_OUT
);
5491 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
);
5493 if (genlmsg_end(msg
, hdr
) < 0) {
5498 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5499 nl80211_mlme_mcgrp
.id
, gfp
);
5503 genlmsg_cancel(msg
, hdr
);
5507 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
5508 struct net_device
*netdev
, const u8
*addr
,
5511 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
5515 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
5516 struct net_device
*netdev
, const u8
*addr
,
5519 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
5523 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
5524 struct net_device
*netdev
, const u8
*bssid
,
5525 const u8
*req_ie
, size_t req_ie_len
,
5526 const u8
*resp_ie
, size_t resp_ie_len
,
5527 u16 status
, gfp_t gfp
)
5529 struct sk_buff
*msg
;
5532 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
5536 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
5542 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5543 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5545 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
);
5546 NLA_PUT_U16(msg
, NL80211_ATTR_STATUS_CODE
, status
);
5548 NLA_PUT(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
);
5550 NLA_PUT(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
);
5552 if (genlmsg_end(msg
, hdr
) < 0) {
5557 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5558 nl80211_mlme_mcgrp
.id
, gfp
);
5562 genlmsg_cancel(msg
, hdr
);
5567 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
5568 struct net_device
*netdev
, const u8
*bssid
,
5569 const u8
*req_ie
, size_t req_ie_len
,
5570 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
5572 struct sk_buff
*msg
;
5575 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
5579 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
5585 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5586 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5587 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
);
5589 NLA_PUT(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
);
5591 NLA_PUT(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
);
5593 if (genlmsg_end(msg
, hdr
) < 0) {
5598 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5599 nl80211_mlme_mcgrp
.id
, gfp
);
5603 genlmsg_cancel(msg
, hdr
);
5608 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
5609 struct net_device
*netdev
, u16 reason
,
5610 const u8
*ie
, size_t ie_len
, bool from_ap
)
5612 struct sk_buff
*msg
;
5615 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
5619 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
5625 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5626 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5627 if (from_ap
&& reason
)
5628 NLA_PUT_U16(msg
, NL80211_ATTR_REASON_CODE
, reason
);
5630 NLA_PUT_FLAG(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
);
5632 NLA_PUT(msg
, NL80211_ATTR_IE
, ie_len
, ie
);
5634 if (genlmsg_end(msg
, hdr
) < 0) {
5639 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5640 nl80211_mlme_mcgrp
.id
, GFP_KERNEL
);
5644 genlmsg_cancel(msg
, hdr
);
5649 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
5650 struct net_device
*netdev
, const u8
*bssid
,
5653 struct sk_buff
*msg
;
5656 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
5660 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
5666 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5667 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5668 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
);
5670 if (genlmsg_end(msg
, hdr
) < 0) {
5675 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5676 nl80211_mlme_mcgrp
.id
, gfp
);
5680 genlmsg_cancel(msg
, hdr
);
5684 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
5685 struct net_device
*netdev
, const u8
*addr
,
5686 enum nl80211_key_type key_type
, int key_id
,
5687 const u8
*tsc
, gfp_t gfp
)
5689 struct sk_buff
*msg
;
5692 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
5696 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
5702 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5703 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5705 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
);
5706 NLA_PUT_U32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
);
5707 NLA_PUT_U8(msg
, NL80211_ATTR_KEY_IDX
, key_id
);
5709 NLA_PUT(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
);
5711 if (genlmsg_end(msg
, hdr
) < 0) {
5716 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5717 nl80211_mlme_mcgrp
.id
, gfp
);
5721 genlmsg_cancel(msg
, hdr
);
5725 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
5726 struct ieee80211_channel
*channel_before
,
5727 struct ieee80211_channel
*channel_after
)
5729 struct sk_buff
*msg
;
5731 struct nlattr
*nl_freq
;
5733 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
5737 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
5744 * Since we are applying the beacon hint to a wiphy we know its
5745 * wiphy_idx is valid
5747 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
));
5750 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
5752 goto nla_put_failure
;
5753 if (nl80211_msg_put_channel(msg
, channel_before
))
5754 goto nla_put_failure
;
5755 nla_nest_end(msg
, nl_freq
);
5758 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
5760 goto nla_put_failure
;
5761 if (nl80211_msg_put_channel(msg
, channel_after
))
5762 goto nla_put_failure
;
5763 nla_nest_end(msg
, nl_freq
);
5765 if (genlmsg_end(msg
, hdr
) < 0) {
5771 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
5778 genlmsg_cancel(msg
, hdr
);
5782 static void nl80211_send_remain_on_chan_event(
5783 int cmd
, struct cfg80211_registered_device
*rdev
,
5784 struct net_device
*netdev
, u64 cookie
,
5785 struct ieee80211_channel
*chan
,
5786 enum nl80211_channel_type channel_type
,
5787 unsigned int duration
, gfp_t gfp
)
5789 struct sk_buff
*msg
;
5792 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
5796 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
5802 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5803 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5804 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
);
5805 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
, channel_type
);
5806 NLA_PUT_U64(msg
, NL80211_ATTR_COOKIE
, cookie
);
5808 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
)
5809 NLA_PUT_U32(msg
, NL80211_ATTR_DURATION
, duration
);
5811 if (genlmsg_end(msg
, hdr
) < 0) {
5816 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5817 nl80211_mlme_mcgrp
.id
, gfp
);
5821 genlmsg_cancel(msg
, hdr
);
5825 void nl80211_send_remain_on_channel(struct cfg80211_registered_device
*rdev
,
5826 struct net_device
*netdev
, u64 cookie
,
5827 struct ieee80211_channel
*chan
,
5828 enum nl80211_channel_type channel_type
,
5829 unsigned int duration
, gfp_t gfp
)
5831 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
5832 rdev
, netdev
, cookie
, chan
,
5833 channel_type
, duration
, gfp
);
5836 void nl80211_send_remain_on_channel_cancel(
5837 struct cfg80211_registered_device
*rdev
, struct net_device
*netdev
,
5838 u64 cookie
, struct ieee80211_channel
*chan
,
5839 enum nl80211_channel_type channel_type
, gfp_t gfp
)
5841 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
5842 rdev
, netdev
, cookie
, chan
,
5843 channel_type
, 0, gfp
);
5846 void nl80211_send_sta_event(struct cfg80211_registered_device
*rdev
,
5847 struct net_device
*dev
, const u8
*mac_addr
,
5848 struct station_info
*sinfo
, gfp_t gfp
)
5850 struct sk_buff
*msg
;
5852 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
5856 if (nl80211_send_station(msg
, 0, 0, 0, dev
, mac_addr
, sinfo
) < 0) {
5861 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5862 nl80211_mlme_mcgrp
.id
, gfp
);
5865 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
5866 struct net_device
*netdev
, u32 nlpid
,
5867 int freq
, const u8
*buf
, size_t len
, gfp_t gfp
)
5869 struct sk_buff
*msg
;
5873 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
5877 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
5883 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5884 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5885 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
);
5886 NLA_PUT(msg
, NL80211_ATTR_FRAME
, len
, buf
);
5888 err
= genlmsg_end(msg
, hdr
);
5894 err
= genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlpid
);
5900 genlmsg_cancel(msg
, hdr
);
5905 void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device
*rdev
,
5906 struct net_device
*netdev
, u64 cookie
,
5907 const u8
*buf
, size_t len
, bool ack
,
5910 struct sk_buff
*msg
;
5913 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
5917 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
5923 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5924 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5925 NLA_PUT(msg
, NL80211_ATTR_FRAME
, len
, buf
);
5926 NLA_PUT_U64(msg
, NL80211_ATTR_COOKIE
, cookie
);
5928 NLA_PUT_FLAG(msg
, NL80211_ATTR_ACK
);
5930 if (genlmsg_end(msg
, hdr
) < 0) {
5935 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, gfp
);
5939 genlmsg_cancel(msg
, hdr
);
5944 nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device
*rdev
,
5945 struct net_device
*netdev
,
5946 enum nl80211_cqm_rssi_threshold_event rssi_event
,
5949 struct sk_buff
*msg
;
5950 struct nlattr
*pinfoattr
;
5953 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
5957 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
5963 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5964 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5966 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
5968 goto nla_put_failure
;
5970 NLA_PUT_U32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
5973 nla_nest_end(msg
, pinfoattr
);
5975 if (genlmsg_end(msg
, hdr
) < 0) {
5980 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5981 nl80211_mlme_mcgrp
.id
, gfp
);
5985 genlmsg_cancel(msg
, hdr
);
5990 nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device
*rdev
,
5991 struct net_device
*netdev
, const u8
*peer
,
5992 u32 num_packets
, gfp_t gfp
)
5994 struct sk_buff
*msg
;
5995 struct nlattr
*pinfoattr
;
5998 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
6002 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
6008 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6009 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6010 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
);
6012 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
6014 goto nla_put_failure
;
6016 NLA_PUT_U32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
);
6018 nla_nest_end(msg
, pinfoattr
);
6020 if (genlmsg_end(msg
, hdr
) < 0) {
6025 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6026 nl80211_mlme_mcgrp
.id
, gfp
);
6030 genlmsg_cancel(msg
, hdr
);
6034 static int nl80211_netlink_notify(struct notifier_block
* nb
,
6035 unsigned long state
,
6038 struct netlink_notify
*notify
= _notify
;
6039 struct cfg80211_registered_device
*rdev
;
6040 struct wireless_dev
*wdev
;
6042 if (state
!= NETLINK_URELEASE
)
6047 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
)
6048 list_for_each_entry_rcu(wdev
, &rdev
->netdev_list
, list
)
6049 cfg80211_mlme_unregister_socket(wdev
, notify
->pid
);
6056 static struct notifier_block nl80211_netlink_notifier
= {
6057 .notifier_call
= nl80211_netlink_notify
,
6060 /* initialisation/exit functions */
6062 int nl80211_init(void)
6066 err
= genl_register_family_with_ops(&nl80211_fam
,
6067 nl80211_ops
, ARRAY_SIZE(nl80211_ops
));
6071 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_config_mcgrp
);
6075 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_scan_mcgrp
);
6079 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_regulatory_mcgrp
);
6083 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_mlme_mcgrp
);
6087 #ifdef CONFIG_NL80211_TESTMODE
6088 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_testmode_mcgrp
);
6093 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
6099 genl_unregister_family(&nl80211_fam
);
6103 void nl80211_exit(void)
6105 netlink_unregister_notifier(&nl80211_netlink_notifier
);
6106 genl_unregister_family(&nl80211_fam
);