2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
8 #include <linux/module.h>
10 #include <linux/slab.h>
11 #include <linux/list.h>
12 #include <linux/if_ether.h>
13 #include <linux/ieee80211.h>
14 #include <linux/nl80211.h>
15 #include <linux/rtnetlink.h>
16 #include <linux/netlink.h>
17 #include <linux/etherdevice.h>
18 #include <net/net_namespace.h>
19 #include <net/genetlink.h>
20 #include <net/cfg80211.h>
26 static int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
27 struct genl_info
*info
);
28 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
29 struct genl_info
*info
);
31 /* the netlink family */
32 static struct genl_family nl80211_fam
= {
33 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
34 .name
= "nl80211", /* have users key off the name instead */
35 .hdrsize
= 0, /* no private header */
36 .version
= 1, /* no particular meaning now */
37 .maxattr
= NL80211_ATTR_MAX
,
39 .pre_doit
= nl80211_pre_doit
,
40 .post_doit
= nl80211_post_doit
,
43 /* internal helper: get rdev and dev */
44 static int get_rdev_dev_by_info_ifindex(struct genl_info
*info
,
45 struct cfg80211_registered_device
**rdev
,
46 struct net_device
**dev
)
48 struct nlattr
**attrs
= info
->attrs
;
51 if (!attrs
[NL80211_ATTR_IFINDEX
])
54 ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
55 *dev
= dev_get_by_index(genl_info_net(info
), ifindex
);
59 *rdev
= cfg80211_get_dev_from_ifindex(genl_info_net(info
), ifindex
);
62 return PTR_ERR(*rdev
);
68 /* policy for the attributes */
69 static const struct nla_policy nl80211_policy
[NL80211_ATTR_MAX
+1] = {
70 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
71 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
73 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
74 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
75 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
76 [NL80211_ATTR_WIPHY_RETRY_SHORT
] = { .type
= NLA_U8
},
77 [NL80211_ATTR_WIPHY_RETRY_LONG
] = { .type
= NLA_U8
},
78 [NL80211_ATTR_WIPHY_FRAG_THRESHOLD
] = { .type
= NLA_U32
},
79 [NL80211_ATTR_WIPHY_RTS_THRESHOLD
] = { .type
= NLA_U32
},
80 [NL80211_ATTR_WIPHY_COVERAGE_CLASS
] = { .type
= NLA_U8
},
82 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
83 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
84 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
86 [NL80211_ATTR_MAC
] = { .type
= NLA_BINARY
, .len
= ETH_ALEN
},
87 [NL80211_ATTR_PREV_BSSID
] = { .type
= NLA_BINARY
, .len
= ETH_ALEN
},
89 [NL80211_ATTR_KEY
] = { .type
= NLA_NESTED
, },
90 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
91 .len
= WLAN_MAX_KEY_LEN
},
92 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
93 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
94 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
95 [NL80211_ATTR_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 8 },
96 [NL80211_ATTR_KEY_TYPE
] = { .type
= NLA_U32
},
98 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
99 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
100 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
101 .len
= IEEE80211_MAX_DATA_LEN
},
102 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
103 .len
= IEEE80211_MAX_DATA_LEN
},
104 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
105 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
106 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
107 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
108 .len
= NL80211_MAX_SUPP_RATES
},
109 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
110 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
111 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
112 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
113 .len
= IEEE80211_MAX_MESH_ID_LEN
},
114 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
116 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
117 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
119 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
120 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
121 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
122 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
123 .len
= NL80211_MAX_SUPP_RATES
},
124 [NL80211_ATTR_BSS_HT_OPMODE
] = { .type
= NLA_U16
},
126 [NL80211_ATTR_MESH_CONFIG
] = { .type
= NLA_NESTED
},
127 [NL80211_ATTR_SUPPORT_MESH_AUTH
] = { .type
= NLA_FLAG
},
129 [NL80211_ATTR_HT_CAPABILITY
] = { .type
= NLA_BINARY
,
130 .len
= NL80211_HT_CAPABILITY_LEN
},
132 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
133 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
134 .len
= IEEE80211_MAX_DATA_LEN
},
135 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
136 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
138 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
139 .len
= IEEE80211_MAX_SSID_LEN
},
140 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
141 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
142 [NL80211_ATTR_FREQ_FIXED
] = { .type
= NLA_FLAG
},
143 [NL80211_ATTR_TIMED_OUT
] = { .type
= NLA_FLAG
},
144 [NL80211_ATTR_USE_MFP
] = { .type
= NLA_U32
},
145 [NL80211_ATTR_STA_FLAGS2
] = {
146 .len
= sizeof(struct nl80211_sta_flag_update
),
148 [NL80211_ATTR_CONTROL_PORT
] = { .type
= NLA_FLAG
},
149 [NL80211_ATTR_CONTROL_PORT_ETHERTYPE
] = { .type
= NLA_U16
},
150 [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
] = { .type
= NLA_FLAG
},
151 [NL80211_ATTR_PRIVACY
] = { .type
= NLA_FLAG
},
152 [NL80211_ATTR_CIPHER_SUITE_GROUP
] = { .type
= NLA_U32
},
153 [NL80211_ATTR_WPA_VERSIONS
] = { .type
= NLA_U32
},
154 [NL80211_ATTR_PID
] = { .type
= NLA_U32
},
155 [NL80211_ATTR_4ADDR
] = { .type
= NLA_U8
},
156 [NL80211_ATTR_PMKID
] = { .type
= NLA_BINARY
,
157 .len
= WLAN_PMKID_LEN
},
158 [NL80211_ATTR_DURATION
] = { .type
= NLA_U32
},
159 [NL80211_ATTR_COOKIE
] = { .type
= NLA_U64
},
160 [NL80211_ATTR_TX_RATES
] = { .type
= NLA_NESTED
},
161 [NL80211_ATTR_FRAME
] = { .type
= NLA_BINARY
,
162 .len
= IEEE80211_MAX_DATA_LEN
},
163 [NL80211_ATTR_FRAME_MATCH
] = { .type
= NLA_BINARY
, },
164 [NL80211_ATTR_PS_STATE
] = { .type
= NLA_U32
},
165 [NL80211_ATTR_CQM
] = { .type
= NLA_NESTED
, },
166 [NL80211_ATTR_LOCAL_STATE_CHANGE
] = { .type
= NLA_FLAG
},
167 [NL80211_ATTR_AP_ISOLATE
] = { .type
= NLA_U8
},
168 [NL80211_ATTR_WIPHY_TX_POWER_SETTING
] = { .type
= NLA_U32
},
169 [NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] = { .type
= NLA_U32
},
170 [NL80211_ATTR_FRAME_TYPE
] = { .type
= NLA_U16
},
171 [NL80211_ATTR_WIPHY_ANTENNA_TX
] = { .type
= NLA_U32
},
172 [NL80211_ATTR_WIPHY_ANTENNA_RX
] = { .type
= NLA_U32
},
173 [NL80211_ATTR_MCAST_RATE
] = { .type
= NLA_U32
},
174 [NL80211_ATTR_OFFCHANNEL_TX_OK
] = { .type
= NLA_FLAG
},
175 [NL80211_ATTR_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
176 [NL80211_ATTR_WOWLAN_TRIGGERS
] = { .type
= NLA_NESTED
},
177 [NL80211_ATTR_STA_PLINK_STATE
] = { .type
= NLA_U8
},
178 [NL80211_ATTR_SCHED_SCAN_INTERVAL
] = { .type
= NLA_U32
},
181 /* policy for the key attributes */
182 static const struct nla_policy nl80211_key_policy
[NL80211_KEY_MAX
+ 1] = {
183 [NL80211_KEY_DATA
] = { .type
= NLA_BINARY
, .len
= WLAN_MAX_KEY_LEN
},
184 [NL80211_KEY_IDX
] = { .type
= NLA_U8
},
185 [NL80211_KEY_CIPHER
] = { .type
= NLA_U32
},
186 [NL80211_KEY_SEQ
] = { .type
= NLA_BINARY
, .len
= 8 },
187 [NL80211_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
188 [NL80211_KEY_DEFAULT_MGMT
] = { .type
= NLA_FLAG
},
189 [NL80211_KEY_TYPE
] = { .type
= NLA_U32
},
190 [NL80211_KEY_DEFAULT_TYPES
] = { .type
= NLA_NESTED
},
193 /* policy for the key default flags */
194 static const struct nla_policy
195 nl80211_key_default_policy
[NUM_NL80211_KEY_DEFAULT_TYPES
] = {
196 [NL80211_KEY_DEFAULT_TYPE_UNICAST
] = { .type
= NLA_FLAG
},
197 [NL80211_KEY_DEFAULT_TYPE_MULTICAST
] = { .type
= NLA_FLAG
},
200 /* policy for WoWLAN attributes */
201 static const struct nla_policy
202 nl80211_wowlan_policy
[NUM_NL80211_WOWLAN_TRIG
] = {
203 [NL80211_WOWLAN_TRIG_ANY
] = { .type
= NLA_FLAG
},
204 [NL80211_WOWLAN_TRIG_DISCONNECT
] = { .type
= NLA_FLAG
},
205 [NL80211_WOWLAN_TRIG_MAGIC_PKT
] = { .type
= NLA_FLAG
},
206 [NL80211_WOWLAN_TRIG_PKT_PATTERN
] = { .type
= NLA_NESTED
},
209 /* ifidx get helper */
210 static int nl80211_get_ifidx(struct netlink_callback
*cb
)
214 res
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
215 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
220 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
223 res
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
229 static int nl80211_prepare_netdev_dump(struct sk_buff
*skb
,
230 struct netlink_callback
*cb
,
231 struct cfg80211_registered_device
**rdev
,
232 struct net_device
**dev
)
234 int ifidx
= cb
->args
[0];
238 ifidx
= nl80211_get_ifidx(cb
);
246 *dev
= __dev_get_by_index(sock_net(skb
->sk
), ifidx
);
252 *rdev
= cfg80211_get_dev_from_ifindex(sock_net(skb
->sk
), ifidx
);
254 err
= PTR_ERR(*rdev
);
264 static void nl80211_finish_netdev_dump(struct cfg80211_registered_device
*rdev
)
266 cfg80211_unlock_rdev(rdev
);
271 static bool is_valid_ie_attr(const struct nlattr
*attr
)
279 pos
= nla_data(attr
);
300 /* message building helper */
301 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 pid
, u32 seq
,
304 /* since there is no private header just add the generic one */
305 return genlmsg_put(skb
, pid
, seq
, &nl80211_fam
, flags
, cmd
);
308 static int nl80211_msg_put_channel(struct sk_buff
*msg
,
309 struct ieee80211_channel
*chan
)
311 NLA_PUT_U32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
314 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
315 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_DISABLED
);
316 if (chan
->flags
& IEEE80211_CHAN_PASSIVE_SCAN
)
317 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
);
318 if (chan
->flags
& IEEE80211_CHAN_NO_IBSS
)
319 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_NO_IBSS
);
320 if (chan
->flags
& IEEE80211_CHAN_RADAR
)
321 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_RADAR
);
323 NLA_PUT_U32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
324 DBM_TO_MBM(chan
->max_power
));
332 /* netlink command implementations */
339 bool def_uni
, def_multi
;
342 static int nl80211_parse_key_new(struct nlattr
*key
, struct key_parse
*k
)
344 struct nlattr
*tb
[NL80211_KEY_MAX
+ 1];
345 int err
= nla_parse_nested(tb
, NL80211_KEY_MAX
, key
,
350 k
->def
= !!tb
[NL80211_KEY_DEFAULT
];
351 k
->defmgmt
= !!tb
[NL80211_KEY_DEFAULT_MGMT
];
360 if (tb
[NL80211_KEY_IDX
])
361 k
->idx
= nla_get_u8(tb
[NL80211_KEY_IDX
]);
363 if (tb
[NL80211_KEY_DATA
]) {
364 k
->p
.key
= nla_data(tb
[NL80211_KEY_DATA
]);
365 k
->p
.key_len
= nla_len(tb
[NL80211_KEY_DATA
]);
368 if (tb
[NL80211_KEY_SEQ
]) {
369 k
->p
.seq
= nla_data(tb
[NL80211_KEY_SEQ
]);
370 k
->p
.seq_len
= nla_len(tb
[NL80211_KEY_SEQ
]);
373 if (tb
[NL80211_KEY_CIPHER
])
374 k
->p
.cipher
= nla_get_u32(tb
[NL80211_KEY_CIPHER
]);
376 if (tb
[NL80211_KEY_TYPE
]) {
377 k
->type
= nla_get_u32(tb
[NL80211_KEY_TYPE
]);
378 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
382 if (tb
[NL80211_KEY_DEFAULT_TYPES
]) {
383 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
384 int err
= nla_parse_nested(kdt
,
385 NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
386 tb
[NL80211_KEY_DEFAULT_TYPES
],
387 nl80211_key_default_policy
);
391 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
392 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
398 static int nl80211_parse_key_old(struct genl_info
*info
, struct key_parse
*k
)
400 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
401 k
->p
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
402 k
->p
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
405 if (info
->attrs
[NL80211_ATTR_KEY_SEQ
]) {
406 k
->p
.seq
= nla_data(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
407 k
->p
.seq_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_SEQ
]);
410 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
411 k
->idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
413 if (info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
414 k
->p
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
416 k
->def
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
];
417 k
->defmgmt
= !!info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
];
426 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
427 k
->type
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
428 if (k
->type
< 0 || k
->type
>= NUM_NL80211_KEYTYPES
)
432 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
]) {
433 struct nlattr
*kdt
[NUM_NL80211_KEY_DEFAULT_TYPES
];
434 int err
= nla_parse_nested(
435 kdt
, NUM_NL80211_KEY_DEFAULT_TYPES
- 1,
436 info
->attrs
[NL80211_ATTR_KEY_DEFAULT_TYPES
],
437 nl80211_key_default_policy
);
441 k
->def_uni
= kdt
[NL80211_KEY_DEFAULT_TYPE_UNICAST
];
442 k
->def_multi
= kdt
[NL80211_KEY_DEFAULT_TYPE_MULTICAST
];
448 static int nl80211_parse_key(struct genl_info
*info
, struct key_parse
*k
)
452 memset(k
, 0, sizeof(*k
));
456 if (info
->attrs
[NL80211_ATTR_KEY
])
457 err
= nl80211_parse_key_new(info
->attrs
[NL80211_ATTR_KEY
], k
);
459 err
= nl80211_parse_key_old(info
, k
);
464 if (k
->def
&& k
->defmgmt
)
468 if (k
->def_uni
|| !k
->def_multi
)
474 if (k
->idx
< 4 || k
->idx
> 5)
477 if (k
->idx
< 0 || k
->idx
> 3)
480 if (k
->idx
< 0 || k
->idx
> 5)
488 static struct cfg80211_cached_keys
*
489 nl80211_parse_connkeys(struct cfg80211_registered_device
*rdev
,
492 struct key_parse parse
;
494 struct cfg80211_cached_keys
*result
;
495 int rem
, err
, def
= 0;
497 result
= kzalloc(sizeof(*result
), GFP_KERNEL
);
499 return ERR_PTR(-ENOMEM
);
502 result
->defmgmt
= -1;
504 nla_for_each_nested(key
, keys
, rem
) {
505 memset(&parse
, 0, sizeof(parse
));
508 err
= nl80211_parse_key_new(key
, &parse
);
514 if (parse
.idx
< 0 || parse
.idx
> 4)
520 result
->def
= parse
.idx
;
521 if (!parse
.def_uni
|| !parse
.def_multi
)
523 } else if (parse
.defmgmt
)
525 err
= cfg80211_validate_key_settings(rdev
, &parse
.p
,
526 parse
.idx
, false, NULL
);
529 result
->params
[parse
.idx
].cipher
= parse
.p
.cipher
;
530 result
->params
[parse
.idx
].key_len
= parse
.p
.key_len
;
531 result
->params
[parse
.idx
].key
= result
->data
[parse
.idx
];
532 memcpy(result
->data
[parse
.idx
], parse
.p
.key
, parse
.p
.key_len
);
541 static int nl80211_key_allowed(struct wireless_dev
*wdev
)
543 ASSERT_WDEV_LOCK(wdev
);
545 switch (wdev
->iftype
) {
546 case NL80211_IFTYPE_AP
:
547 case NL80211_IFTYPE_AP_VLAN
:
548 case NL80211_IFTYPE_P2P_GO
:
549 case NL80211_IFTYPE_MESH_POINT
:
551 case NL80211_IFTYPE_ADHOC
:
552 if (!wdev
->current_bss
)
555 case NL80211_IFTYPE_STATION
:
556 case NL80211_IFTYPE_P2P_CLIENT
:
557 if (wdev
->sme_state
!= CFG80211_SME_CONNECTED
)
567 static int nl80211_put_iftypes(struct sk_buff
*msg
, u32 attr
, u16 ifmodes
)
569 struct nlattr
*nl_modes
= nla_nest_start(msg
, attr
);
573 goto nla_put_failure
;
578 NLA_PUT_FLAG(msg
, i
);
583 nla_nest_end(msg
, nl_modes
);
590 static int nl80211_put_iface_combinations(struct wiphy
*wiphy
,
593 struct nlattr
*nl_combis
;
596 nl_combis
= nla_nest_start(msg
,
597 NL80211_ATTR_INTERFACE_COMBINATIONS
);
599 goto nla_put_failure
;
601 for (i
= 0; i
< wiphy
->n_iface_combinations
; i
++) {
602 const struct ieee80211_iface_combination
*c
;
603 struct nlattr
*nl_combi
, *nl_limits
;
605 c
= &wiphy
->iface_combinations
[i
];
607 nl_combi
= nla_nest_start(msg
, i
+ 1);
609 goto nla_put_failure
;
611 nl_limits
= nla_nest_start(msg
, NL80211_IFACE_COMB_LIMITS
);
613 goto nla_put_failure
;
615 for (j
= 0; j
< c
->n_limits
; j
++) {
616 struct nlattr
*nl_limit
;
618 nl_limit
= nla_nest_start(msg
, j
+ 1);
620 goto nla_put_failure
;
621 NLA_PUT_U32(msg
, NL80211_IFACE_LIMIT_MAX
,
623 if (nl80211_put_iftypes(msg
, NL80211_IFACE_LIMIT_TYPES
,
625 goto nla_put_failure
;
626 nla_nest_end(msg
, nl_limit
);
629 nla_nest_end(msg
, nl_limits
);
631 if (c
->beacon_int_infra_match
)
633 NL80211_IFACE_COMB_STA_AP_BI_MATCH
);
634 NLA_PUT_U32(msg
, NL80211_IFACE_COMB_NUM_CHANNELS
,
635 c
->num_different_channels
);
636 NLA_PUT_U32(msg
, NL80211_IFACE_COMB_MAXNUM
,
639 nla_nest_end(msg
, nl_combi
);
642 nla_nest_end(msg
, nl_combis
);
649 static int nl80211_send_wiphy(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
650 struct cfg80211_registered_device
*dev
)
653 struct nlattr
*nl_bands
, *nl_band
;
654 struct nlattr
*nl_freqs
, *nl_freq
;
655 struct nlattr
*nl_rates
, *nl_rate
;
656 struct nlattr
*nl_cmds
;
657 enum ieee80211_band band
;
658 struct ieee80211_channel
*chan
;
659 struct ieee80211_rate
*rate
;
661 const struct ieee80211_txrx_stypes
*mgmt_stypes
=
662 dev
->wiphy
.mgmt_stypes
;
664 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_WIPHY
);
668 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, dev
->wiphy_idx
);
669 NLA_PUT_STRING(msg
, NL80211_ATTR_WIPHY_NAME
, wiphy_name(&dev
->wiphy
));
671 NLA_PUT_U32(msg
, NL80211_ATTR_GENERATION
,
672 cfg80211_rdev_list_generation
);
674 NLA_PUT_U8(msg
, NL80211_ATTR_WIPHY_RETRY_SHORT
,
675 dev
->wiphy
.retry_short
);
676 NLA_PUT_U8(msg
, NL80211_ATTR_WIPHY_RETRY_LONG
,
677 dev
->wiphy
.retry_long
);
678 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_FRAG_THRESHOLD
,
679 dev
->wiphy
.frag_threshold
);
680 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_RTS_THRESHOLD
,
681 dev
->wiphy
.rts_threshold
);
682 NLA_PUT_U8(msg
, NL80211_ATTR_WIPHY_COVERAGE_CLASS
,
683 dev
->wiphy
.coverage_class
);
684 NLA_PUT_U8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
685 dev
->wiphy
.max_scan_ssids
);
686 NLA_PUT_U16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
687 dev
->wiphy
.max_scan_ie_len
);
689 if (dev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
)
690 NLA_PUT_FLAG(msg
, NL80211_ATTR_SUPPORT_IBSS_RSN
);
691 if (dev
->wiphy
.flags
& WIPHY_FLAG_MESH_AUTH
)
692 NLA_PUT_FLAG(msg
, NL80211_ATTR_SUPPORT_MESH_AUTH
);
694 NLA_PUT(msg
, NL80211_ATTR_CIPHER_SUITES
,
695 sizeof(u32
) * dev
->wiphy
.n_cipher_suites
,
696 dev
->wiphy
.cipher_suites
);
698 NLA_PUT_U8(msg
, NL80211_ATTR_MAX_NUM_PMKIDS
,
699 dev
->wiphy
.max_num_pmkids
);
701 if (dev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
)
702 NLA_PUT_FLAG(msg
, NL80211_ATTR_CONTROL_PORT_ETHERTYPE
);
704 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX
,
705 dev
->wiphy
.available_antennas_tx
);
706 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX
,
707 dev
->wiphy
.available_antennas_rx
);
709 if ((dev
->wiphy
.available_antennas_tx
||
710 dev
->wiphy
.available_antennas_rx
) && dev
->ops
->get_antenna
) {
711 u32 tx_ant
= 0, rx_ant
= 0;
713 res
= dev
->ops
->get_antenna(&dev
->wiphy
, &tx_ant
, &rx_ant
);
715 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_ANTENNA_TX
, tx_ant
);
716 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_ANTENNA_RX
, rx_ant
);
720 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
,
721 dev
->wiphy
.interface_modes
))
722 goto nla_put_failure
;
724 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
726 goto nla_put_failure
;
728 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
729 if (!dev
->wiphy
.bands
[band
])
732 nl_band
= nla_nest_start(msg
, band
);
734 goto nla_put_failure
;
737 if (dev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
) {
738 NLA_PUT(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
739 sizeof(dev
->wiphy
.bands
[band
]->ht_cap
.mcs
),
740 &dev
->wiphy
.bands
[band
]->ht_cap
.mcs
);
741 NLA_PUT_U16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
742 dev
->wiphy
.bands
[band
]->ht_cap
.cap
);
743 NLA_PUT_U8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
744 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_factor
);
745 NLA_PUT_U8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
746 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_density
);
749 /* add frequencies */
750 nl_freqs
= nla_nest_start(msg
, NL80211_BAND_ATTR_FREQS
);
752 goto nla_put_failure
;
754 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_channels
; i
++) {
755 nl_freq
= nla_nest_start(msg
, i
);
757 goto nla_put_failure
;
759 chan
= &dev
->wiphy
.bands
[band
]->channels
[i
];
761 if (nl80211_msg_put_channel(msg
, chan
))
762 goto nla_put_failure
;
764 nla_nest_end(msg
, nl_freq
);
767 nla_nest_end(msg
, nl_freqs
);
770 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
772 goto nla_put_failure
;
774 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_bitrates
; i
++) {
775 nl_rate
= nla_nest_start(msg
, i
);
777 goto nla_put_failure
;
779 rate
= &dev
->wiphy
.bands
[band
]->bitrates
[i
];
780 NLA_PUT_U32(msg
, NL80211_BITRATE_ATTR_RATE
,
782 if (rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
)
784 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
);
786 nla_nest_end(msg
, nl_rate
);
789 nla_nest_end(msg
, nl_rates
);
791 nla_nest_end(msg
, nl_band
);
793 nla_nest_end(msg
, nl_bands
);
795 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
797 goto nla_put_failure
;
802 if (dev->ops->op) { \
804 NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \
808 CMD(add_virtual_intf
, NEW_INTERFACE
);
809 CMD(change_virtual_intf
, SET_INTERFACE
);
810 CMD(add_key
, NEW_KEY
);
811 CMD(add_beacon
, NEW_BEACON
);
812 CMD(add_station
, NEW_STATION
);
813 CMD(add_mpath
, NEW_MPATH
);
814 CMD(update_mesh_config
, SET_MESH_CONFIG
);
815 CMD(change_bss
, SET_BSS
);
816 CMD(auth
, AUTHENTICATE
);
817 CMD(assoc
, ASSOCIATE
);
818 CMD(deauth
, DEAUTHENTICATE
);
819 CMD(disassoc
, DISASSOCIATE
);
820 CMD(join_ibss
, JOIN_IBSS
);
821 CMD(join_mesh
, JOIN_MESH
);
822 CMD(set_pmksa
, SET_PMKSA
);
823 CMD(del_pmksa
, DEL_PMKSA
);
824 CMD(flush_pmksa
, FLUSH_PMKSA
);
825 CMD(remain_on_channel
, REMAIN_ON_CHANNEL
);
826 CMD(set_bitrate_mask
, SET_TX_BITRATE_MASK
);
828 CMD(mgmt_tx_cancel_wait
, FRAME_WAIT_CANCEL
);
829 if (dev
->wiphy
.flags
& WIPHY_FLAG_NETNS_OK
) {
831 NLA_PUT_U32(msg
, i
, NL80211_CMD_SET_WIPHY_NETNS
);
833 CMD(set_channel
, SET_CHANNEL
);
834 CMD(set_wds_peer
, SET_WDS_PEER
);
835 if (dev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
)
836 CMD(sched_scan_start
, START_SCHED_SCAN
);
840 if (dev
->ops
->connect
|| dev
->ops
->auth
) {
842 NLA_PUT_U32(msg
, i
, NL80211_CMD_CONNECT
);
845 if (dev
->ops
->disconnect
|| dev
->ops
->deauth
) {
847 NLA_PUT_U32(msg
, i
, NL80211_CMD_DISCONNECT
);
850 nla_nest_end(msg
, nl_cmds
);
852 if (dev
->ops
->remain_on_channel
)
853 NLA_PUT_U32(msg
, NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION
,
854 dev
->wiphy
.max_remain_on_channel_duration
);
856 /* for now at least assume all drivers have it */
857 if (dev
->ops
->mgmt_tx
)
858 NLA_PUT_FLAG(msg
, NL80211_ATTR_OFFCHANNEL_TX_OK
);
862 struct nlattr
*nl_ftypes
, *nl_ifs
;
863 enum nl80211_iftype ift
;
865 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_TX_FRAME_TYPES
);
867 goto nla_put_failure
;
869 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
870 nl_ftypes
= nla_nest_start(msg
, ift
);
872 goto nla_put_failure
;
874 stypes
= mgmt_stypes
[ift
].tx
;
877 NLA_PUT_U16(msg
, NL80211_ATTR_FRAME_TYPE
,
878 (i
<< 4) | IEEE80211_FTYPE_MGMT
);
882 nla_nest_end(msg
, nl_ftypes
);
885 nla_nest_end(msg
, nl_ifs
);
887 nl_ifs
= nla_nest_start(msg
, NL80211_ATTR_RX_FRAME_TYPES
);
889 goto nla_put_failure
;
891 for (ift
= 0; ift
< NUM_NL80211_IFTYPES
; ift
++) {
892 nl_ftypes
= nla_nest_start(msg
, ift
);
894 goto nla_put_failure
;
896 stypes
= mgmt_stypes
[ift
].rx
;
899 NLA_PUT_U16(msg
, NL80211_ATTR_FRAME_TYPE
,
900 (i
<< 4) | IEEE80211_FTYPE_MGMT
);
904 nla_nest_end(msg
, nl_ftypes
);
906 nla_nest_end(msg
, nl_ifs
);
909 if (dev
->wiphy
.wowlan
.flags
|| dev
->wiphy
.wowlan
.n_patterns
) {
910 struct nlattr
*nl_wowlan
;
912 nl_wowlan
= nla_nest_start(msg
,
913 NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED
);
915 goto nla_put_failure
;
917 if (dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_ANY
)
918 NLA_PUT_FLAG(msg
, NL80211_WOWLAN_TRIG_ANY
);
919 if (dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_DISCONNECT
)
920 NLA_PUT_FLAG(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
);
921 if (dev
->wiphy
.wowlan
.flags
& WIPHY_WOWLAN_MAGIC_PKT
)
922 NLA_PUT_FLAG(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
);
923 if (dev
->wiphy
.wowlan
.n_patterns
) {
924 struct nl80211_wowlan_pattern_support pat
= {
925 .max_patterns
= dev
->wiphy
.wowlan
.n_patterns
,
927 dev
->wiphy
.wowlan
.pattern_min_len
,
929 dev
->wiphy
.wowlan
.pattern_max_len
,
931 NLA_PUT(msg
, NL80211_WOWLAN_TRIG_PKT_PATTERN
,
935 nla_nest_end(msg
, nl_wowlan
);
938 if (nl80211_put_iftypes(msg
, NL80211_ATTR_SOFTWARE_IFTYPES
,
939 dev
->wiphy
.software_iftypes
))
940 goto nla_put_failure
;
942 if (nl80211_put_iface_combinations(&dev
->wiphy
, msg
))
943 goto nla_put_failure
;
945 return genlmsg_end(msg
, hdr
);
948 genlmsg_cancel(msg
, hdr
);
952 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
955 int start
= cb
->args
[0];
956 struct cfg80211_registered_device
*dev
;
958 mutex_lock(&cfg80211_mutex
);
959 list_for_each_entry(dev
, &cfg80211_rdev_list
, list
) {
960 if (!net_eq(wiphy_net(&dev
->wiphy
), sock_net(skb
->sk
)))
964 if (nl80211_send_wiphy(skb
, NETLINK_CB(cb
->skb
).pid
,
965 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
971 mutex_unlock(&cfg80211_mutex
);
978 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
981 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
983 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
987 if (nl80211_send_wiphy(msg
, info
->snd_pid
, info
->snd_seq
, 0, dev
) < 0) {
992 return genlmsg_reply(msg
, info
);
995 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
996 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
997 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
998 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
999 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
1000 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
1003 static int parse_txq_params(struct nlattr
*tb
[],
1004 struct ieee80211_txq_params
*txq_params
)
1006 if (!tb
[NL80211_TXQ_ATTR_QUEUE
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
1007 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
1008 !tb
[NL80211_TXQ_ATTR_AIFS
])
1011 txq_params
->queue
= nla_get_u8(tb
[NL80211_TXQ_ATTR_QUEUE
]);
1012 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
1013 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
1014 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
1015 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
1020 static bool nl80211_can_set_dev_channel(struct wireless_dev
*wdev
)
1023 * You can only set the channel explicitly for AP, mesh
1024 * and WDS type interfaces; all others have their channel
1025 * managed via their respective "establish a connection"
1026 * command (connect, join, ...)
1028 * Monitors are special as they are normally slaved to
1029 * whatever else is going on, so they behave as though
1030 * you tried setting the wiphy channel itself.
1033 wdev
->iftype
== NL80211_IFTYPE_AP
||
1034 wdev
->iftype
== NL80211_IFTYPE_WDS
||
1035 wdev
->iftype
== NL80211_IFTYPE_MESH_POINT
||
1036 wdev
->iftype
== NL80211_IFTYPE_MONITOR
||
1037 wdev
->iftype
== NL80211_IFTYPE_P2P_GO
;
1040 static int __nl80211_set_channel(struct cfg80211_registered_device
*rdev
,
1041 struct wireless_dev
*wdev
,
1042 struct genl_info
*info
)
1044 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
1048 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
1051 if (!nl80211_can_set_dev_channel(wdev
))
1054 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
1055 channel_type
= nla_get_u32(info
->attrs
[
1056 NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
1057 if (channel_type
!= NL80211_CHAN_NO_HT
&&
1058 channel_type
!= NL80211_CHAN_HT20
&&
1059 channel_type
!= NL80211_CHAN_HT40PLUS
&&
1060 channel_type
!= NL80211_CHAN_HT40MINUS
)
1064 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
1066 mutex_lock(&rdev
->devlist_mtx
);
1069 result
= cfg80211_set_freq(rdev
, wdev
, freq
, channel_type
);
1072 result
= cfg80211_set_freq(rdev
, NULL
, freq
, channel_type
);
1074 mutex_unlock(&rdev
->devlist_mtx
);
1079 static int nl80211_set_channel(struct sk_buff
*skb
, struct genl_info
*info
)
1081 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1082 struct net_device
*netdev
= info
->user_ptr
[1];
1084 return __nl80211_set_channel(rdev
, netdev
->ieee80211_ptr
, info
);
1087 static int nl80211_set_wds_peer(struct sk_buff
*skb
, struct genl_info
*info
)
1089 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1090 struct net_device
*dev
= info
->user_ptr
[1];
1091 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1094 if (!info
->attrs
[NL80211_ATTR_MAC
])
1097 if (netif_running(dev
))
1100 if (!rdev
->ops
->set_wds_peer
)
1103 if (wdev
->iftype
!= NL80211_IFTYPE_WDS
)
1106 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1107 return rdev
->ops
->set_wds_peer(wdev
->wiphy
, dev
, bssid
);
1111 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
1113 struct cfg80211_registered_device
*rdev
;
1114 struct net_device
*netdev
= NULL
;
1115 struct wireless_dev
*wdev
;
1116 int result
= 0, rem_txq_params
= 0;
1117 struct nlattr
*nl_txq_params
;
1119 u8 retry_short
= 0, retry_long
= 0;
1120 u32 frag_threshold
= 0, rts_threshold
= 0;
1121 u8 coverage_class
= 0;
1124 * Try to find the wiphy and netdev. Normally this
1125 * function shouldn't need the netdev, but this is
1126 * done for backward compatibility -- previously
1127 * setting the channel was done per wiphy, but now
1128 * it is per netdev. Previous userland like hostapd
1129 * also passed a netdev to set_wiphy, so that it is
1130 * possible to let that go to the right netdev!
1132 mutex_lock(&cfg80211_mutex
);
1134 if (info
->attrs
[NL80211_ATTR_IFINDEX
]) {
1135 int ifindex
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFINDEX
]);
1137 netdev
= dev_get_by_index(genl_info_net(info
), ifindex
);
1138 if (netdev
&& netdev
->ieee80211_ptr
) {
1139 rdev
= wiphy_to_dev(netdev
->ieee80211_ptr
->wiphy
);
1140 mutex_lock(&rdev
->mtx
);
1146 rdev
= __cfg80211_rdev_from_info(info
);
1148 mutex_unlock(&cfg80211_mutex
);
1149 return PTR_ERR(rdev
);
1155 mutex_lock(&rdev
->mtx
);
1156 } else if (netif_running(netdev
) &&
1157 nl80211_can_set_dev_channel(netdev
->ieee80211_ptr
))
1158 wdev
= netdev
->ieee80211_ptr
;
1163 * end workaround code, by now the rdev is available
1164 * and locked, and wdev may or may not be NULL.
1167 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
1168 result
= cfg80211_dev_rename(
1169 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
1171 mutex_unlock(&cfg80211_mutex
);
1176 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
1177 struct ieee80211_txq_params txq_params
;
1178 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
1180 if (!rdev
->ops
->set_txq_params
) {
1181 result
= -EOPNOTSUPP
;
1185 nla_for_each_nested(nl_txq_params
,
1186 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
1188 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
1189 nla_data(nl_txq_params
),
1190 nla_len(nl_txq_params
),
1192 result
= parse_txq_params(tb
, &txq_params
);
1196 result
= rdev
->ops
->set_txq_params(&rdev
->wiphy
,
1203 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
1204 result
= __nl80211_set_channel(rdev
, wdev
, info
);
1209 if (info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_SETTING
]) {
1210 enum nl80211_tx_power_setting type
;
1213 if (!rdev
->ops
->set_tx_power
) {
1214 result
= -EOPNOTSUPP
;
1218 idx
= NL80211_ATTR_WIPHY_TX_POWER_SETTING
;
1219 type
= nla_get_u32(info
->attrs
[idx
]);
1221 if (!info
->attrs
[NL80211_ATTR_WIPHY_TX_POWER_LEVEL
] &&
1222 (type
!= NL80211_TX_POWER_AUTOMATIC
)) {
1227 if (type
!= NL80211_TX_POWER_AUTOMATIC
) {
1228 idx
= NL80211_ATTR_WIPHY_TX_POWER_LEVEL
;
1229 mbm
= nla_get_u32(info
->attrs
[idx
]);
1232 result
= rdev
->ops
->set_tx_power(&rdev
->wiphy
, type
, mbm
);
1237 if (info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
] &&
1238 info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]) {
1240 if ((!rdev
->wiphy
.available_antennas_tx
&&
1241 !rdev
->wiphy
.available_antennas_rx
) ||
1242 !rdev
->ops
->set_antenna
) {
1243 result
= -EOPNOTSUPP
;
1247 tx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_TX
]);
1248 rx_ant
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_ANTENNA_RX
]);
1250 /* reject antenna configurations which don't match the
1251 * available antenna masks, except for the "all" mask */
1252 if ((~tx_ant
&& (tx_ant
& ~rdev
->wiphy
.available_antennas_tx
)) ||
1253 (~rx_ant
&& (rx_ant
& ~rdev
->wiphy
.available_antennas_rx
))) {
1258 tx_ant
= tx_ant
& rdev
->wiphy
.available_antennas_tx
;
1259 rx_ant
= rx_ant
& rdev
->wiphy
.available_antennas_rx
;
1261 result
= rdev
->ops
->set_antenna(&rdev
->wiphy
, tx_ant
, rx_ant
);
1268 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]) {
1269 retry_short
= nla_get_u8(
1270 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_SHORT
]);
1271 if (retry_short
== 0) {
1275 changed
|= WIPHY_PARAM_RETRY_SHORT
;
1278 if (info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]) {
1279 retry_long
= nla_get_u8(
1280 info
->attrs
[NL80211_ATTR_WIPHY_RETRY_LONG
]);
1281 if (retry_long
== 0) {
1285 changed
|= WIPHY_PARAM_RETRY_LONG
;
1288 if (info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]) {
1289 frag_threshold
= nla_get_u32(
1290 info
->attrs
[NL80211_ATTR_WIPHY_FRAG_THRESHOLD
]);
1291 if (frag_threshold
< 256) {
1295 if (frag_threshold
!= (u32
) -1) {
1297 * Fragments (apart from the last one) are required to
1298 * have even length. Make the fragmentation code
1299 * simpler by stripping LSB should someone try to use
1300 * odd threshold value.
1302 frag_threshold
&= ~0x1;
1304 changed
|= WIPHY_PARAM_FRAG_THRESHOLD
;
1307 if (info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]) {
1308 rts_threshold
= nla_get_u32(
1309 info
->attrs
[NL80211_ATTR_WIPHY_RTS_THRESHOLD
]);
1310 changed
|= WIPHY_PARAM_RTS_THRESHOLD
;
1313 if (info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]) {
1314 coverage_class
= nla_get_u8(
1315 info
->attrs
[NL80211_ATTR_WIPHY_COVERAGE_CLASS
]);
1316 changed
|= WIPHY_PARAM_COVERAGE_CLASS
;
1320 u8 old_retry_short
, old_retry_long
;
1321 u32 old_frag_threshold
, old_rts_threshold
;
1322 u8 old_coverage_class
;
1324 if (!rdev
->ops
->set_wiphy_params
) {
1325 result
= -EOPNOTSUPP
;
1329 old_retry_short
= rdev
->wiphy
.retry_short
;
1330 old_retry_long
= rdev
->wiphy
.retry_long
;
1331 old_frag_threshold
= rdev
->wiphy
.frag_threshold
;
1332 old_rts_threshold
= rdev
->wiphy
.rts_threshold
;
1333 old_coverage_class
= rdev
->wiphy
.coverage_class
;
1335 if (changed
& WIPHY_PARAM_RETRY_SHORT
)
1336 rdev
->wiphy
.retry_short
= retry_short
;
1337 if (changed
& WIPHY_PARAM_RETRY_LONG
)
1338 rdev
->wiphy
.retry_long
= retry_long
;
1339 if (changed
& WIPHY_PARAM_FRAG_THRESHOLD
)
1340 rdev
->wiphy
.frag_threshold
= frag_threshold
;
1341 if (changed
& WIPHY_PARAM_RTS_THRESHOLD
)
1342 rdev
->wiphy
.rts_threshold
= rts_threshold
;
1343 if (changed
& WIPHY_PARAM_COVERAGE_CLASS
)
1344 rdev
->wiphy
.coverage_class
= coverage_class
;
1346 result
= rdev
->ops
->set_wiphy_params(&rdev
->wiphy
, changed
);
1348 rdev
->wiphy
.retry_short
= old_retry_short
;
1349 rdev
->wiphy
.retry_long
= old_retry_long
;
1350 rdev
->wiphy
.frag_threshold
= old_frag_threshold
;
1351 rdev
->wiphy
.rts_threshold
= old_rts_threshold
;
1352 rdev
->wiphy
.coverage_class
= old_coverage_class
;
1357 mutex_unlock(&rdev
->mtx
);
1364 static int nl80211_send_iface(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
1365 struct cfg80211_registered_device
*rdev
,
1366 struct net_device
*dev
)
1370 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
1374 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1375 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
1376 NLA_PUT_STRING(msg
, NL80211_ATTR_IFNAME
, dev
->name
);
1377 NLA_PUT_U32(msg
, NL80211_ATTR_IFTYPE
, dev
->ieee80211_ptr
->iftype
);
1379 NLA_PUT_U32(msg
, NL80211_ATTR_GENERATION
,
1380 rdev
->devlist_generation
^
1381 (cfg80211_rdev_list_generation
<< 2));
1383 return genlmsg_end(msg
, hdr
);
1386 genlmsg_cancel(msg
, hdr
);
1390 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
1394 int wp_start
= cb
->args
[0];
1395 int if_start
= cb
->args
[1];
1396 struct cfg80211_registered_device
*rdev
;
1397 struct wireless_dev
*wdev
;
1399 mutex_lock(&cfg80211_mutex
);
1400 list_for_each_entry(rdev
, &cfg80211_rdev_list
, list
) {
1401 if (!net_eq(wiphy_net(&rdev
->wiphy
), sock_net(skb
->sk
)))
1403 if (wp_idx
< wp_start
) {
1409 mutex_lock(&rdev
->devlist_mtx
);
1410 list_for_each_entry(wdev
, &rdev
->netdev_list
, list
) {
1411 if (if_idx
< if_start
) {
1415 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).pid
,
1416 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1417 rdev
, wdev
->netdev
) < 0) {
1418 mutex_unlock(&rdev
->devlist_mtx
);
1423 mutex_unlock(&rdev
->devlist_mtx
);
1428 mutex_unlock(&cfg80211_mutex
);
1430 cb
->args
[0] = wp_idx
;
1431 cb
->args
[1] = if_idx
;
1436 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1438 struct sk_buff
*msg
;
1439 struct cfg80211_registered_device
*dev
= info
->user_ptr
[0];
1440 struct net_device
*netdev
= info
->user_ptr
[1];
1442 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1446 if (nl80211_send_iface(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1452 return genlmsg_reply(msg
, info
);
1455 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
1456 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
1457 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
1458 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
1459 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
1460 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
1463 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
1465 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
1473 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
1474 nla
, mntr_flags_policy
))
1477 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
1479 *mntrflags
|= (1<<flag
);
1484 static int nl80211_valid_4addr(struct cfg80211_registered_device
*rdev
,
1485 struct net_device
*netdev
, u8 use_4addr
,
1486 enum nl80211_iftype iftype
)
1489 if (netdev
&& (netdev
->priv_flags
& IFF_BRIDGE_PORT
))
1495 case NL80211_IFTYPE_AP_VLAN
:
1496 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_AP
)
1499 case NL80211_IFTYPE_STATION
:
1500 if (rdev
->wiphy
.flags
& WIPHY_FLAG_4ADDR_STATION
)
1510 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1512 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1513 struct vif_params params
;
1515 enum nl80211_iftype otype
, ntype
;
1516 struct net_device
*dev
= info
->user_ptr
[1];
1517 u32 _flags
, *flags
= NULL
;
1518 bool change
= false;
1520 memset(¶ms
, 0, sizeof(params
));
1522 otype
= ntype
= dev
->ieee80211_ptr
->iftype
;
1524 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
1525 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
1528 if (ntype
> NL80211_IFTYPE_MAX
)
1532 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
1533 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1535 if (ntype
!= NL80211_IFTYPE_MESH_POINT
)
1537 if (netif_running(dev
))
1541 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
1542 IEEE80211_MAX_MESH_ID_LEN
);
1543 wdev
->mesh_id_up_len
=
1544 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
1545 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
1546 wdev
->mesh_id_up_len
);
1550 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
1551 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
1553 err
= nl80211_valid_4addr(rdev
, dev
, params
.use_4addr
, ntype
);
1557 params
.use_4addr
= -1;
1560 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
1561 if (ntype
!= NL80211_IFTYPE_MONITOR
)
1563 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
1573 err
= cfg80211_change_iface(rdev
, dev
, ntype
, flags
, ¶ms
);
1577 if (!err
&& params
.use_4addr
!= -1)
1578 dev
->ieee80211_ptr
->use_4addr
= params
.use_4addr
;
1583 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1585 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1586 struct vif_params params
;
1587 struct net_device
*dev
;
1589 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
1592 memset(¶ms
, 0, sizeof(params
));
1594 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
1597 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
1598 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
1599 if (type
> NL80211_IFTYPE_MAX
)
1603 if (!rdev
->ops
->add_virtual_intf
||
1604 !(rdev
->wiphy
.interface_modes
& (1 << type
)))
1607 if (info
->attrs
[NL80211_ATTR_4ADDR
]) {
1608 params
.use_4addr
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_4ADDR
]);
1609 err
= nl80211_valid_4addr(rdev
, NULL
, params
.use_4addr
, type
);
1614 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
1615 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
1617 dev
= rdev
->ops
->add_virtual_intf(&rdev
->wiphy
,
1618 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
1619 type
, err
? NULL
: &flags
, ¶ms
);
1621 return PTR_ERR(dev
);
1623 if (type
== NL80211_IFTYPE_MESH_POINT
&&
1624 info
->attrs
[NL80211_ATTR_MESH_ID
]) {
1625 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1628 BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN
!=
1629 IEEE80211_MAX_MESH_ID_LEN
);
1630 wdev
->mesh_id_up_len
=
1631 nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
1632 memcpy(wdev
->ssid
, nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]),
1633 wdev
->mesh_id_up_len
);
1640 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
1642 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1643 struct net_device
*dev
= info
->user_ptr
[1];
1645 if (!rdev
->ops
->del_virtual_intf
)
1648 return rdev
->ops
->del_virtual_intf(&rdev
->wiphy
, dev
);
1651 struct get_key_cookie
{
1652 struct sk_buff
*msg
;
1657 static void get_key_callback(void *c
, struct key_params
*params
)
1660 struct get_key_cookie
*cookie
= c
;
1663 NLA_PUT(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
1664 params
->key_len
, params
->key
);
1667 NLA_PUT(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
1668 params
->seq_len
, params
->seq
);
1671 NLA_PUT_U32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
1674 key
= nla_nest_start(cookie
->msg
, NL80211_ATTR_KEY
);
1676 goto nla_put_failure
;
1679 NLA_PUT(cookie
->msg
, NL80211_KEY_DATA
,
1680 params
->key_len
, params
->key
);
1683 NLA_PUT(cookie
->msg
, NL80211_KEY_SEQ
,
1684 params
->seq_len
, params
->seq
);
1687 NLA_PUT_U32(cookie
->msg
, NL80211_KEY_CIPHER
,
1690 NLA_PUT_U8(cookie
->msg
, NL80211_ATTR_KEY_IDX
, cookie
->idx
);
1692 nla_nest_end(cookie
->msg
, key
);
1699 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
1701 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1703 struct net_device
*dev
= info
->user_ptr
[1];
1705 const u8
*mac_addr
= NULL
;
1707 struct get_key_cookie cookie
= {
1711 struct sk_buff
*msg
;
1713 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
1714 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
1719 if (info
->attrs
[NL80211_ATTR_MAC
])
1720 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1722 pairwise
= !!mac_addr
;
1723 if (info
->attrs
[NL80211_ATTR_KEY_TYPE
]) {
1724 u32 kt
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_TYPE
]);
1725 if (kt
>= NUM_NL80211_KEYTYPES
)
1727 if (kt
!= NL80211_KEYTYPE_GROUP
&&
1728 kt
!= NL80211_KEYTYPE_PAIRWISE
)
1730 pairwise
= kt
== NL80211_KEYTYPE_PAIRWISE
;
1733 if (!rdev
->ops
->get_key
)
1736 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
1740 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1741 NL80211_CMD_NEW_KEY
);
1743 return PTR_ERR(hdr
);
1746 cookie
.idx
= key_idx
;
1748 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1749 NLA_PUT_U8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
);
1751 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
);
1753 if (pairwise
&& mac_addr
&&
1754 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
1757 err
= rdev
->ops
->get_key(&rdev
->wiphy
, dev
, key_idx
, pairwise
,
1758 mac_addr
, &cookie
, get_key_callback
);
1764 goto nla_put_failure
;
1766 genlmsg_end(msg
, hdr
);
1767 return genlmsg_reply(msg
, info
);
1776 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
1778 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1779 struct key_parse key
;
1781 struct net_device
*dev
= info
->user_ptr
[1];
1783 err
= nl80211_parse_key(info
, &key
);
1790 /* only support setting default key */
1791 if (!key
.def
&& !key
.defmgmt
)
1794 wdev_lock(dev
->ieee80211_ptr
);
1797 if (!rdev
->ops
->set_default_key
) {
1802 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
1806 err
= rdev
->ops
->set_default_key(&rdev
->wiphy
, dev
, key
.idx
,
1807 key
.def_uni
, key
.def_multi
);
1812 #ifdef CONFIG_CFG80211_WEXT
1813 dev
->ieee80211_ptr
->wext
.default_key
= key
.idx
;
1816 if (key
.def_uni
|| !key
.def_multi
) {
1821 if (!rdev
->ops
->set_default_mgmt_key
) {
1826 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
1830 err
= rdev
->ops
->set_default_mgmt_key(&rdev
->wiphy
,
1835 #ifdef CONFIG_CFG80211_WEXT
1836 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= key
.idx
;
1841 wdev_unlock(dev
->ieee80211_ptr
);
1846 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
1848 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1850 struct net_device
*dev
= info
->user_ptr
[1];
1851 struct key_parse key
;
1852 const u8
*mac_addr
= NULL
;
1854 err
= nl80211_parse_key(info
, &key
);
1861 if (info
->attrs
[NL80211_ATTR_MAC
])
1862 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1864 if (key
.type
== -1) {
1866 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
1868 key
.type
= NL80211_KEYTYPE_GROUP
;
1872 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
1873 key
.type
!= NL80211_KEYTYPE_GROUP
)
1876 if (!rdev
->ops
->add_key
)
1879 if (cfg80211_validate_key_settings(rdev
, &key
.p
, key
.idx
,
1880 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
1884 wdev_lock(dev
->ieee80211_ptr
);
1885 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
1887 err
= rdev
->ops
->add_key(&rdev
->wiphy
, dev
, key
.idx
,
1888 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
1890 wdev_unlock(dev
->ieee80211_ptr
);
1895 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
1897 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1899 struct net_device
*dev
= info
->user_ptr
[1];
1900 u8
*mac_addr
= NULL
;
1901 struct key_parse key
;
1903 err
= nl80211_parse_key(info
, &key
);
1907 if (info
->attrs
[NL80211_ATTR_MAC
])
1908 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1910 if (key
.type
== -1) {
1912 key
.type
= NL80211_KEYTYPE_PAIRWISE
;
1914 key
.type
= NL80211_KEYTYPE_GROUP
;
1918 if (key
.type
!= NL80211_KEYTYPE_PAIRWISE
&&
1919 key
.type
!= NL80211_KEYTYPE_GROUP
)
1922 if (!rdev
->ops
->del_key
)
1925 wdev_lock(dev
->ieee80211_ptr
);
1926 err
= nl80211_key_allowed(dev
->ieee80211_ptr
);
1928 if (key
.type
== NL80211_KEYTYPE_PAIRWISE
&& mac_addr
&&
1929 !(rdev
->wiphy
.flags
& WIPHY_FLAG_IBSS_RSN
))
1933 err
= rdev
->ops
->del_key(&rdev
->wiphy
, dev
, key
.idx
,
1934 key
.type
== NL80211_KEYTYPE_PAIRWISE
,
1937 #ifdef CONFIG_CFG80211_WEXT
1939 if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_key
)
1940 dev
->ieee80211_ptr
->wext
.default_key
= -1;
1941 else if (key
.idx
== dev
->ieee80211_ptr
->wext
.default_mgmt_key
)
1942 dev
->ieee80211_ptr
->wext
.default_mgmt_key
= -1;
1945 wdev_unlock(dev
->ieee80211_ptr
);
1950 static int nl80211_addset_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
1952 int (*call
)(struct wiphy
*wiphy
, struct net_device
*dev
,
1953 struct beacon_parameters
*info
);
1954 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
1955 struct net_device
*dev
= info
->user_ptr
[1];
1956 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
1957 struct beacon_parameters params
;
1958 int haveinfo
= 0, err
;
1960 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]))
1963 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
1964 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
1967 memset(¶ms
, 0, sizeof(params
));
1969 switch (info
->genlhdr
->cmd
) {
1970 case NL80211_CMD_NEW_BEACON
:
1971 /* these are required for NEW_BEACON */
1972 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
1973 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
1974 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
])
1978 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
1979 params
.dtim_period
=
1980 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
1982 err
= cfg80211_validate_beacon_int(rdev
, params
.interval
);
1986 call
= rdev
->ops
->add_beacon
;
1988 case NL80211_CMD_SET_BEACON
:
1989 call
= rdev
->ops
->set_beacon
;
1999 if (info
->attrs
[NL80211_ATTR_BEACON_HEAD
]) {
2000 params
.head
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
2002 nla_len(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
2006 if (info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) {
2007 params
.tail
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
2009 nla_len(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
2016 err
= call(&rdev
->wiphy
, dev
, ¶ms
);
2017 if (!err
&& params
.interval
)
2018 wdev
->beacon_interval
= params
.interval
;
2022 static int nl80211_del_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
2024 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2025 struct net_device
*dev
= info
->user_ptr
[1];
2026 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2029 if (!rdev
->ops
->del_beacon
)
2032 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2033 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2036 err
= rdev
->ops
->del_beacon(&rdev
->wiphy
, dev
);
2038 wdev
->beacon_interval
= 0;
2042 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
2043 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
2044 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
2045 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
2046 [NL80211_STA_FLAG_MFP
] = { .type
= NLA_FLAG
},
2047 [NL80211_STA_FLAG_AUTHENTICATED
] = { .type
= NLA_FLAG
},
2050 static int parse_station_flags(struct genl_info
*info
,
2051 struct station_parameters
*params
)
2053 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
2058 * Try parsing the new attribute first so userspace
2059 * can specify both for older kernels.
2061 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS2
];
2063 struct nl80211_sta_flag_update
*sta_flags
;
2065 sta_flags
= nla_data(nla
);
2066 params
->sta_flags_mask
= sta_flags
->mask
;
2067 params
->sta_flags_set
= sta_flags
->set
;
2068 if ((params
->sta_flags_mask
|
2069 params
->sta_flags_set
) & BIT(__NL80211_STA_FLAG_INVALID
))
2074 /* if present, parse the old attribute */
2076 nla
= info
->attrs
[NL80211_ATTR_STA_FLAGS
];
2080 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
2081 nla
, sta_flags_policy
))
2084 params
->sta_flags_mask
= (1 << __NL80211_STA_FLAG_AFTER_LAST
) - 1;
2085 params
->sta_flags_mask
&= ~1;
2087 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++)
2089 params
->sta_flags_set
|= (1<<flag
);
2094 static bool nl80211_put_sta_rate(struct sk_buff
*msg
, struct rate_info
*info
,
2097 struct nlattr
*rate
;
2100 rate
= nla_nest_start(msg
, attr
);
2102 goto nla_put_failure
;
2104 /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */
2105 bitrate
= cfg80211_calculate_bitrate(info
);
2107 NLA_PUT_U16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate
);
2109 if (info
->flags
& RATE_INFO_FLAGS_MCS
)
2110 NLA_PUT_U8(msg
, NL80211_RATE_INFO_MCS
, info
->mcs
);
2111 if (info
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
)
2112 NLA_PUT_FLAG(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
);
2113 if (info
->flags
& RATE_INFO_FLAGS_SHORT_GI
)
2114 NLA_PUT_FLAG(msg
, NL80211_RATE_INFO_SHORT_GI
);
2116 nla_nest_end(msg
, rate
);
2123 static int nl80211_send_station(struct sk_buff
*msg
, u32 pid
, u32 seq
,
2124 int flags
, struct net_device
*dev
,
2125 const u8
*mac_addr
, struct station_info
*sinfo
)
2128 struct nlattr
*sinfoattr
, *bss_param
;
2130 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
2134 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
2135 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
);
2137 NLA_PUT_U32(msg
, NL80211_ATTR_GENERATION
, sinfo
->generation
);
2139 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
2141 goto nla_put_failure
;
2142 if (sinfo
->filled
& STATION_INFO_CONNECTED_TIME
)
2143 NLA_PUT_U32(msg
, NL80211_STA_INFO_CONNECTED_TIME
,
2144 sinfo
->connected_time
);
2145 if (sinfo
->filled
& STATION_INFO_INACTIVE_TIME
)
2146 NLA_PUT_U32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
2147 sinfo
->inactive_time
);
2148 if (sinfo
->filled
& STATION_INFO_RX_BYTES
)
2149 NLA_PUT_U32(msg
, NL80211_STA_INFO_RX_BYTES
,
2151 if (sinfo
->filled
& STATION_INFO_TX_BYTES
)
2152 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_BYTES
,
2154 if (sinfo
->filled
& STATION_INFO_LLID
)
2155 NLA_PUT_U16(msg
, NL80211_STA_INFO_LLID
,
2157 if (sinfo
->filled
& STATION_INFO_PLID
)
2158 NLA_PUT_U16(msg
, NL80211_STA_INFO_PLID
,
2160 if (sinfo
->filled
& STATION_INFO_PLINK_STATE
)
2161 NLA_PUT_U8(msg
, NL80211_STA_INFO_PLINK_STATE
,
2162 sinfo
->plink_state
);
2163 if (sinfo
->filled
& STATION_INFO_SIGNAL
)
2164 NLA_PUT_U8(msg
, NL80211_STA_INFO_SIGNAL
,
2166 if (sinfo
->filled
& STATION_INFO_SIGNAL_AVG
)
2167 NLA_PUT_U8(msg
, NL80211_STA_INFO_SIGNAL_AVG
,
2169 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
2170 if (!nl80211_put_sta_rate(msg
, &sinfo
->txrate
,
2171 NL80211_STA_INFO_TX_BITRATE
))
2172 goto nla_put_failure
;
2174 if (sinfo
->filled
& STATION_INFO_RX_BITRATE
) {
2175 if (!nl80211_put_sta_rate(msg
, &sinfo
->rxrate
,
2176 NL80211_STA_INFO_RX_BITRATE
))
2177 goto nla_put_failure
;
2179 if (sinfo
->filled
& STATION_INFO_RX_PACKETS
)
2180 NLA_PUT_U32(msg
, NL80211_STA_INFO_RX_PACKETS
,
2182 if (sinfo
->filled
& STATION_INFO_TX_PACKETS
)
2183 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_PACKETS
,
2185 if (sinfo
->filled
& STATION_INFO_TX_RETRIES
)
2186 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_RETRIES
,
2188 if (sinfo
->filled
& STATION_INFO_TX_FAILED
)
2189 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_FAILED
,
2191 if (sinfo
->filled
& STATION_INFO_BSS_PARAM
) {
2192 bss_param
= nla_nest_start(msg
, NL80211_STA_INFO_BSS_PARAM
);
2194 goto nla_put_failure
;
2196 if (sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_CTS_PROT
)
2197 NLA_PUT_FLAG(msg
, NL80211_STA_BSS_PARAM_CTS_PROT
);
2198 if (sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_PREAMBLE
)
2199 NLA_PUT_FLAG(msg
, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE
);
2200 if (sinfo
->bss_param
.flags
& BSS_PARAM_FLAGS_SHORT_SLOT_TIME
)
2202 NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME
);
2203 NLA_PUT_U8(msg
, NL80211_STA_BSS_PARAM_DTIM_PERIOD
,
2204 sinfo
->bss_param
.dtim_period
);
2205 NLA_PUT_U16(msg
, NL80211_STA_BSS_PARAM_BEACON_INTERVAL
,
2206 sinfo
->bss_param
.beacon_interval
);
2208 nla_nest_end(msg
, bss_param
);
2210 nla_nest_end(msg
, sinfoattr
);
2212 return genlmsg_end(msg
, hdr
);
2215 genlmsg_cancel(msg
, hdr
);
2219 static int nl80211_dump_station(struct sk_buff
*skb
,
2220 struct netlink_callback
*cb
)
2222 struct station_info sinfo
;
2223 struct cfg80211_registered_device
*dev
;
2224 struct net_device
*netdev
;
2225 u8 mac_addr
[ETH_ALEN
];
2226 int sta_idx
= cb
->args
[1];
2229 err
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
2233 if (!dev
->ops
->dump_station
) {
2239 err
= dev
->ops
->dump_station(&dev
->wiphy
, netdev
, sta_idx
,
2246 if (nl80211_send_station(skb
,
2247 NETLINK_CB(cb
->skb
).pid
,
2248 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2258 cb
->args
[1] = sta_idx
;
2261 nl80211_finish_netdev_dump(dev
);
2266 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
2268 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2269 struct net_device
*dev
= info
->user_ptr
[1];
2270 struct station_info sinfo
;
2271 struct sk_buff
*msg
;
2272 u8
*mac_addr
= NULL
;
2275 memset(&sinfo
, 0, sizeof(sinfo
));
2277 if (!info
->attrs
[NL80211_ATTR_MAC
])
2280 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2282 if (!rdev
->ops
->get_station
)
2285 err
= rdev
->ops
->get_station(&rdev
->wiphy
, dev
, mac_addr
, &sinfo
);
2289 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2293 if (nl80211_send_station(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2294 dev
, mac_addr
, &sinfo
) < 0) {
2299 return genlmsg_reply(msg
, info
);
2303 * Get vlan interface making sure it is running and on the right wiphy.
2305 static int get_vlan(struct genl_info
*info
,
2306 struct cfg80211_registered_device
*rdev
,
2307 struct net_device
**vlan
)
2309 struct nlattr
*vlanattr
= info
->attrs
[NL80211_ATTR_STA_VLAN
];
2313 *vlan
= dev_get_by_index(genl_info_net(info
),
2314 nla_get_u32(vlanattr
));
2317 if (!(*vlan
)->ieee80211_ptr
)
2319 if ((*vlan
)->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
)
2321 if (!netif_running(*vlan
))
2327 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
2329 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2331 struct net_device
*dev
= info
->user_ptr
[1];
2332 struct station_parameters params
;
2333 u8
*mac_addr
= NULL
;
2335 memset(¶ms
, 0, sizeof(params
));
2337 params
.listen_interval
= -1;
2338 params
.plink_state
= -1;
2340 if (info
->attrs
[NL80211_ATTR_STA_AID
])
2343 if (!info
->attrs
[NL80211_ATTR_MAC
])
2346 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2348 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
2349 params
.supported_rates
=
2350 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2351 params
.supported_rates_len
=
2352 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2355 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
2356 params
.listen_interval
=
2357 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
2359 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
2361 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
2363 if (parse_station_flags(info
, ¶ms
))
2366 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
2367 params
.plink_action
=
2368 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
2370 if (info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
])
2371 params
.plink_state
=
2372 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_STATE
]);
2374 err
= get_vlan(info
, rdev
, ¶ms
.vlan
);
2378 /* validate settings */
2381 switch (dev
->ieee80211_ptr
->iftype
) {
2382 case NL80211_IFTYPE_AP
:
2383 case NL80211_IFTYPE_AP_VLAN
:
2384 case NL80211_IFTYPE_P2P_GO
:
2385 /* disallow mesh-specific things */
2386 if (params
.plink_action
)
2389 case NL80211_IFTYPE_P2P_CLIENT
:
2390 case NL80211_IFTYPE_STATION
:
2391 /* disallow everything but AUTHORIZED flag */
2392 if (params
.plink_action
)
2396 if (params
.supported_rates
)
2400 if (params
.listen_interval
>= 0)
2402 if (params
.sta_flags_mask
& ~BIT(NL80211_STA_FLAG_AUTHORIZED
))
2405 case NL80211_IFTYPE_MESH_POINT
:
2406 /* disallow things mesh doesn't support */
2411 if (params
.listen_interval
>= 0)
2413 if (params
.sta_flags_mask
&
2414 ~(BIT(NL80211_STA_FLAG_AUTHENTICATED
) |
2415 BIT(NL80211_STA_FLAG_MFP
) |
2416 BIT(NL80211_STA_FLAG_AUTHORIZED
)))
2426 if (!rdev
->ops
->change_station
) {
2431 err
= rdev
->ops
->change_station(&rdev
->wiphy
, dev
, mac_addr
, ¶ms
);
2435 dev_put(params
.vlan
);
2440 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
2442 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2444 struct net_device
*dev
= info
->user_ptr
[1];
2445 struct station_parameters params
;
2446 u8
*mac_addr
= NULL
;
2448 memset(¶ms
, 0, sizeof(params
));
2450 if (!info
->attrs
[NL80211_ATTR_MAC
])
2453 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
2456 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
2459 if (!info
->attrs
[NL80211_ATTR_STA_AID
])
2462 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2463 params
.supported_rates
=
2464 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2465 params
.supported_rates_len
=
2466 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
2467 params
.listen_interval
=
2468 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
2470 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
2471 if (!params
.aid
|| params
.aid
> IEEE80211_MAX_AID
)
2474 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
2476 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
2478 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
2479 params
.plink_action
=
2480 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
2482 if (parse_station_flags(info
, ¶ms
))
2485 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2486 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
2487 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
2488 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2491 err
= get_vlan(info
, rdev
, ¶ms
.vlan
);
2495 /* validate settings */
2498 if (!rdev
->ops
->add_station
) {
2503 err
= rdev
->ops
->add_station(&rdev
->wiphy
, dev
, mac_addr
, ¶ms
);
2507 dev_put(params
.vlan
);
2511 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
2513 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2514 struct net_device
*dev
= info
->user_ptr
[1];
2515 u8
*mac_addr
= NULL
;
2517 if (info
->attrs
[NL80211_ATTR_MAC
])
2518 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2520 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2521 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
2522 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
2523 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2526 if (!rdev
->ops
->del_station
)
2529 return rdev
->ops
->del_station(&rdev
->wiphy
, dev
, mac_addr
);
2532 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 pid
, u32 seq
,
2533 int flags
, struct net_device
*dev
,
2534 u8
*dst
, u8
*next_hop
,
2535 struct mpath_info
*pinfo
)
2538 struct nlattr
*pinfoattr
;
2540 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
2544 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
2545 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
);
2546 NLA_PUT(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
);
2548 NLA_PUT_U32(msg
, NL80211_ATTR_GENERATION
, pinfo
->generation
);
2550 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
2552 goto nla_put_failure
;
2553 if (pinfo
->filled
& MPATH_INFO_FRAME_QLEN
)
2554 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
2556 if (pinfo
->filled
& MPATH_INFO_SN
)
2557 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_SN
,
2559 if (pinfo
->filled
& MPATH_INFO_METRIC
)
2560 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_METRIC
,
2562 if (pinfo
->filled
& MPATH_INFO_EXPTIME
)
2563 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_EXPTIME
,
2565 if (pinfo
->filled
& MPATH_INFO_FLAGS
)
2566 NLA_PUT_U8(msg
, NL80211_MPATH_INFO_FLAGS
,
2568 if (pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
)
2569 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
2570 pinfo
->discovery_timeout
);
2571 if (pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
)
2572 NLA_PUT_U8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
2573 pinfo
->discovery_retries
);
2575 nla_nest_end(msg
, pinfoattr
);
2577 return genlmsg_end(msg
, hdr
);
2580 genlmsg_cancel(msg
, hdr
);
2584 static int nl80211_dump_mpath(struct sk_buff
*skb
,
2585 struct netlink_callback
*cb
)
2587 struct mpath_info pinfo
;
2588 struct cfg80211_registered_device
*dev
;
2589 struct net_device
*netdev
;
2591 u8 next_hop
[ETH_ALEN
];
2592 int path_idx
= cb
->args
[1];
2595 err
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
2599 if (!dev
->ops
->dump_mpath
) {
2604 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
2610 err
= dev
->ops
->dump_mpath(&dev
->wiphy
, netdev
, path_idx
,
2611 dst
, next_hop
, &pinfo
);
2617 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).pid
,
2618 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2619 netdev
, dst
, next_hop
,
2628 cb
->args
[1] = path_idx
;
2631 nl80211_finish_netdev_dump(dev
);
2635 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2637 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2639 struct net_device
*dev
= info
->user_ptr
[1];
2640 struct mpath_info pinfo
;
2641 struct sk_buff
*msg
;
2643 u8 next_hop
[ETH_ALEN
];
2645 memset(&pinfo
, 0, sizeof(pinfo
));
2647 if (!info
->attrs
[NL80211_ATTR_MAC
])
2650 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2652 if (!rdev
->ops
->get_mpath
)
2655 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
2658 err
= rdev
->ops
->get_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
, &pinfo
);
2662 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2666 if (nl80211_send_mpath(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2667 dev
, dst
, next_hop
, &pinfo
) < 0) {
2672 return genlmsg_reply(msg
, info
);
2675 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2677 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2678 struct net_device
*dev
= info
->user_ptr
[1];
2680 u8
*next_hop
= NULL
;
2682 if (!info
->attrs
[NL80211_ATTR_MAC
])
2685 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
2688 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2689 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
2691 if (!rdev
->ops
->change_mpath
)
2694 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
2697 return rdev
->ops
->change_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
);
2700 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2702 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2703 struct net_device
*dev
= info
->user_ptr
[1];
2705 u8
*next_hop
= NULL
;
2707 if (!info
->attrs
[NL80211_ATTR_MAC
])
2710 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
2713 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2714 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
2716 if (!rdev
->ops
->add_mpath
)
2719 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
2722 return rdev
->ops
->add_mpath(&rdev
->wiphy
, dev
, dst
, next_hop
);
2725 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
2727 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2728 struct net_device
*dev
= info
->user_ptr
[1];
2731 if (info
->attrs
[NL80211_ATTR_MAC
])
2732 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2734 if (!rdev
->ops
->del_mpath
)
2737 return rdev
->ops
->del_mpath(&rdev
->wiphy
, dev
, dst
);
2740 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
2742 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2743 struct net_device
*dev
= info
->user_ptr
[1];
2744 struct bss_parameters params
;
2746 memset(¶ms
, 0, sizeof(params
));
2747 /* default to not changing parameters */
2748 params
.use_cts_prot
= -1;
2749 params
.use_short_preamble
= -1;
2750 params
.use_short_slot_time
= -1;
2751 params
.ap_isolate
= -1;
2752 params
.ht_opmode
= -1;
2754 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
2755 params
.use_cts_prot
=
2756 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
2757 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
2758 params
.use_short_preamble
=
2759 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
2760 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
2761 params
.use_short_slot_time
=
2762 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
2763 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
2764 params
.basic_rates
=
2765 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
2766 params
.basic_rates_len
=
2767 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
2769 if (info
->attrs
[NL80211_ATTR_AP_ISOLATE
])
2770 params
.ap_isolate
= !!nla_get_u8(info
->attrs
[NL80211_ATTR_AP_ISOLATE
]);
2771 if (info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
])
2773 nla_get_u16(info
->attrs
[NL80211_ATTR_BSS_HT_OPMODE
]);
2775 if (!rdev
->ops
->change_bss
)
2778 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
2779 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
2782 return rdev
->ops
->change_bss(&rdev
->wiphy
, dev
, ¶ms
);
2785 static const struct nla_policy reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
2786 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
2787 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
2788 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
2789 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
2790 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
2791 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
2794 static int parse_reg_rule(struct nlattr
*tb
[],
2795 struct ieee80211_reg_rule
*reg_rule
)
2797 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
2798 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
2800 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
2802 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
2804 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
2806 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
2808 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
2811 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
2813 freq_range
->start_freq_khz
=
2814 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
2815 freq_range
->end_freq_khz
=
2816 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
2817 freq_range
->max_bandwidth_khz
=
2818 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
2820 power_rule
->max_eirp
=
2821 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
2823 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
2824 power_rule
->max_antenna_gain
=
2825 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
2830 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
2836 * You should only get this when cfg80211 hasn't yet initialized
2837 * completely when built-in to the kernel right between the time
2838 * window between nl80211_init() and regulatory_init(), if that is
2841 mutex_lock(&cfg80211_mutex
);
2842 if (unlikely(!cfg80211_regdomain
)) {
2843 mutex_unlock(&cfg80211_mutex
);
2844 return -EINPROGRESS
;
2846 mutex_unlock(&cfg80211_mutex
);
2848 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
2851 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
2853 r
= regulatory_hint_user(data
);
2858 static int nl80211_get_mesh_config(struct sk_buff
*skb
,
2859 struct genl_info
*info
)
2861 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
2862 struct net_device
*dev
= info
->user_ptr
[1];
2863 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
2864 struct mesh_config cur_params
;
2867 struct nlattr
*pinfoattr
;
2868 struct sk_buff
*msg
;
2870 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
2873 if (!rdev
->ops
->get_mesh_config
)
2877 /* If not connected, get default parameters */
2878 if (!wdev
->mesh_id_len
)
2879 memcpy(&cur_params
, &default_mesh_config
, sizeof(cur_params
));
2881 err
= rdev
->ops
->get_mesh_config(&rdev
->wiphy
, dev
,
2888 /* Draw up a netlink message to send back */
2889 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
2892 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2893 NL80211_CMD_GET_MESH_CONFIG
);
2896 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_CONFIG
);
2898 goto nla_put_failure
;
2899 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
2900 NLA_PUT_U16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
2901 cur_params
.dot11MeshRetryTimeout
);
2902 NLA_PUT_U16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
2903 cur_params
.dot11MeshConfirmTimeout
);
2904 NLA_PUT_U16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
2905 cur_params
.dot11MeshHoldingTimeout
);
2906 NLA_PUT_U16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
2907 cur_params
.dot11MeshMaxPeerLinks
);
2908 NLA_PUT_U8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
2909 cur_params
.dot11MeshMaxRetries
);
2910 NLA_PUT_U8(msg
, NL80211_MESHCONF_TTL
,
2911 cur_params
.dot11MeshTTL
);
2912 NLA_PUT_U8(msg
, NL80211_MESHCONF_ELEMENT_TTL
,
2913 cur_params
.element_ttl
);
2914 NLA_PUT_U8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
2915 cur_params
.auto_open_plinks
);
2916 NLA_PUT_U8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
2917 cur_params
.dot11MeshHWMPmaxPREQretries
);
2918 NLA_PUT_U32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
2919 cur_params
.path_refresh_time
);
2920 NLA_PUT_U16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
2921 cur_params
.min_discovery_timeout
);
2922 NLA_PUT_U32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
2923 cur_params
.dot11MeshHWMPactivePathTimeout
);
2924 NLA_PUT_U16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
2925 cur_params
.dot11MeshHWMPpreqMinInterval
);
2926 NLA_PUT_U16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
2927 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
);
2928 NLA_PUT_U8(msg
, NL80211_MESHCONF_HWMP_ROOTMODE
,
2929 cur_params
.dot11MeshHWMPRootMode
);
2930 nla_nest_end(msg
, pinfoattr
);
2931 genlmsg_end(msg
, hdr
);
2932 return genlmsg_reply(msg
, info
);
2935 genlmsg_cancel(msg
, hdr
);
2941 static const struct nla_policy nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] = {
2942 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
2943 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
2944 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
2945 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
2946 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
2947 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
2948 [NL80211_MESHCONF_ELEMENT_TTL
] = { .type
= NLA_U8
},
2949 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
2951 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
2952 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
2953 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
2954 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
2955 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
2956 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
2959 static const struct nla_policy
2960 nl80211_mesh_setup_params_policy
[NL80211_MESH_SETUP_ATTR_MAX
+1] = {
2961 [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
] = { .type
= NLA_U8
},
2962 [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
] = { .type
= NLA_U8
},
2963 [NL80211_MESH_SETUP_USERSPACE_AUTH
] = { .type
= NLA_FLAG
},
2964 [NL80211_MESH_SETUP_IE
] = { .type
= NLA_BINARY
,
2965 .len
= IEEE80211_MAX_DATA_LEN
},
2966 [NL80211_MESH_SETUP_USERSPACE_AMPE
] = { .type
= NLA_FLAG
},
2969 static int nl80211_parse_mesh_config(struct genl_info
*info
,
2970 struct mesh_config
*cfg
,
2973 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
2976 #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
2978 if (table[attr_num]) {\
2979 cfg->param = nla_fn(table[attr_num]); \
2980 mask |= (1 << (attr_num - 1)); \
2985 if (!info->attrs[NL80211_ATTR_MESH_CONFIG])
2987 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
2988 info
->attrs
[NL80211_ATTR_MESH_CONFIG
],
2989 nl80211_meshconf_params_policy
))
2992 /* This makes sure that there aren't more than 32 mesh config
2993 * parameters (otherwise our bitfield scheme would not work.) */
2994 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
2996 /* Fill in the params struct */
2997 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
,
2998 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
, nla_get_u16
);
2999 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
,
3000 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
, nla_get_u16
);
3001 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
,
3002 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
, nla_get_u16
);
3003 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
,
3004 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
, nla_get_u16
);
3005 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
,
3006 mask
, NL80211_MESHCONF_MAX_RETRIES
, nla_get_u8
);
3007 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
,
3008 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
3009 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, element_ttl
,
3010 mask
, NL80211_MESHCONF_ELEMENT_TTL
, nla_get_u8
);
3011 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
,
3012 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
, nla_get_u8
);
3013 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
,
3014 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
3016 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
,
3017 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
, nla_get_u32
);
3018 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
,
3019 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
3021 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
3022 mask
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
3024 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
3025 mask
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
3027 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
3028 dot11MeshHWMPnetDiameterTraversalTime
,
3029 mask
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
3031 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
3032 dot11MeshHWMPRootMode
, mask
,
3033 NL80211_MESHCONF_HWMP_ROOTMODE
,
3040 #undef FILL_IN_MESH_PARAM_IF_SET
3043 static int nl80211_parse_mesh_setup(struct genl_info
*info
,
3044 struct mesh_setup
*setup
)
3046 struct nlattr
*tb
[NL80211_MESH_SETUP_ATTR_MAX
+ 1];
3048 if (!info
->attrs
[NL80211_ATTR_MESH_SETUP
])
3050 if (nla_parse_nested(tb
, NL80211_MESH_SETUP_ATTR_MAX
,
3051 info
->attrs
[NL80211_ATTR_MESH_SETUP
],
3052 nl80211_mesh_setup_params_policy
))
3055 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])
3056 setup
->path_sel_proto
=
3057 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL
])) ?
3058 IEEE80211_PATH_PROTOCOL_VENDOR
:
3059 IEEE80211_PATH_PROTOCOL_HWMP
;
3061 if (tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])
3062 setup
->path_metric
=
3063 (nla_get_u8(tb
[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC
])) ?
3064 IEEE80211_PATH_METRIC_VENDOR
:
3065 IEEE80211_PATH_METRIC_AIRTIME
;
3068 if (tb
[NL80211_MESH_SETUP_IE
]) {
3069 struct nlattr
*ieattr
=
3070 tb
[NL80211_MESH_SETUP_IE
];
3071 if (!is_valid_ie_attr(ieattr
))
3073 setup
->ie
= nla_data(ieattr
);
3074 setup
->ie_len
= nla_len(ieattr
);
3076 setup
->is_authenticated
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AUTH
]);
3077 setup
->is_secure
= nla_get_flag(tb
[NL80211_MESH_SETUP_USERSPACE_AMPE
]);
3082 static int nl80211_update_mesh_config(struct sk_buff
*skb
,
3083 struct genl_info
*info
)
3085 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3086 struct net_device
*dev
= info
->user_ptr
[1];
3087 struct wireless_dev
*wdev
= dev
->ieee80211_ptr
;
3088 struct mesh_config cfg
;
3092 if (wdev
->iftype
!= NL80211_IFTYPE_MESH_POINT
)
3095 if (!rdev
->ops
->update_mesh_config
)
3098 err
= nl80211_parse_mesh_config(info
, &cfg
, &mask
);
3103 if (!wdev
->mesh_id_len
)
3107 err
= rdev
->ops
->update_mesh_config(&rdev
->wiphy
, dev
,
3115 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
3117 struct sk_buff
*msg
;
3119 struct nlattr
*nl_reg_rules
;
3123 mutex_lock(&cfg80211_mutex
);
3125 if (!cfg80211_regdomain
)
3128 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
3134 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
3135 NL80211_CMD_GET_REG
);
3139 NLA_PUT_STRING(msg
, NL80211_ATTR_REG_ALPHA2
,
3140 cfg80211_regdomain
->alpha2
);
3142 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
3144 goto nla_put_failure
;
3146 for (i
= 0; i
< cfg80211_regdomain
->n_reg_rules
; i
++) {
3147 struct nlattr
*nl_reg_rule
;
3148 const struct ieee80211_reg_rule
*reg_rule
;
3149 const struct ieee80211_freq_range
*freq_range
;
3150 const struct ieee80211_power_rule
*power_rule
;
3152 reg_rule
= &cfg80211_regdomain
->reg_rules
[i
];
3153 freq_range
= ®_rule
->freq_range
;
3154 power_rule
= ®_rule
->power_rule
;
3156 nl_reg_rule
= nla_nest_start(msg
, i
);
3158 goto nla_put_failure
;
3160 NLA_PUT_U32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
3162 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
3163 freq_range
->start_freq_khz
);
3164 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
3165 freq_range
->end_freq_khz
);
3166 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
3167 freq_range
->max_bandwidth_khz
);
3168 NLA_PUT_U32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
3169 power_rule
->max_antenna_gain
);
3170 NLA_PUT_U32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
3171 power_rule
->max_eirp
);
3173 nla_nest_end(msg
, nl_reg_rule
);
3176 nla_nest_end(msg
, nl_reg_rules
);
3178 genlmsg_end(msg
, hdr
);
3179 err
= genlmsg_reply(msg
, info
);
3183 genlmsg_cancel(msg
, hdr
);
3188 mutex_unlock(&cfg80211_mutex
);
3192 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
3194 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
3195 struct nlattr
*nl_reg_rule
;
3196 char *alpha2
= NULL
;
3197 int rem_reg_rules
= 0, r
= 0;
3198 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
3199 struct ieee80211_regdomain
*rd
= NULL
;
3201 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
3204 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
3207 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
3209 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
3212 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
3216 mutex_lock(&cfg80211_mutex
);
3218 if (!reg_is_valid_request(alpha2
)) {
3223 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
3224 (num_rules
* sizeof(struct ieee80211_reg_rule
));
3226 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
3232 rd
->n_reg_rules
= num_rules
;
3233 rd
->alpha2
[0] = alpha2
[0];
3234 rd
->alpha2
[1] = alpha2
[1];
3236 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
3238 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
3239 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
3241 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
3247 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
) {
3253 BUG_ON(rule_idx
!= num_rules
);
3257 mutex_unlock(&cfg80211_mutex
);
3262 mutex_unlock(&cfg80211_mutex
);
3267 static int validate_scan_freqs(struct nlattr
*freqs
)
3269 struct nlattr
*attr1
, *attr2
;
3270 int n_channels
= 0, tmp1
, tmp2
;
3272 nla_for_each_nested(attr1
, freqs
, tmp1
) {
3275 * Some hardware has a limited channel list for
3276 * scanning, and it is pretty much nonsensical
3277 * to scan for a channel twice, so disallow that
3278 * and don't require drivers to check that the
3279 * channel list they get isn't longer than what
3280 * they can scan, as long as they can scan all
3281 * the channels they registered at once.
3283 nla_for_each_nested(attr2
, freqs
, tmp2
)
3284 if (attr1
!= attr2
&&
3285 nla_get_u32(attr1
) == nla_get_u32(attr2
))
3292 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
3294 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3295 struct net_device
*dev
= info
->user_ptr
[1];
3296 struct cfg80211_scan_request
*request
;
3297 struct nlattr
*attr
;
3298 struct wiphy
*wiphy
;
3299 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
3300 enum ieee80211_band band
;
3303 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3306 wiphy
= &rdev
->wiphy
;
3308 if (!rdev
->ops
->scan
)
3314 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
3315 n_channels
= validate_scan_freqs(
3316 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
3322 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
3323 if (wiphy
->bands
[band
])
3324 n_channels
+= wiphy
->bands
[band
]->n_channels
;
3327 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
3328 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
3331 if (n_ssids
> wiphy
->max_scan_ssids
)
3334 if (info
->attrs
[NL80211_ATTR_IE
])
3335 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3339 if (ie_len
> wiphy
->max_scan_ie_len
)
3342 request
= kzalloc(sizeof(*request
)
3343 + sizeof(*request
->ssids
) * n_ssids
3344 + sizeof(*request
->channels
) * n_channels
3345 + ie_len
, GFP_KERNEL
);
3350 request
->ssids
= (void *)&request
->channels
[n_channels
];
3351 request
->n_ssids
= n_ssids
;
3354 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
3356 request
->ie
= (void *)(request
->channels
+ n_channels
);
3360 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
3361 /* user specified, bail out if channel not found */
3362 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
3363 struct ieee80211_channel
*chan
;
3365 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
3372 /* ignore disabled channels */
3373 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
3376 request
->channels
[i
] = chan
;
3381 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
3383 if (!wiphy
->bands
[band
])
3385 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
3386 struct ieee80211_channel
*chan
;
3388 chan
= &wiphy
->bands
[band
]->channels
[j
];
3390 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
3393 request
->channels
[i
] = chan
;
3404 request
->n_channels
= i
;
3407 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
3408 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
3409 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
3413 request
->ssids
[i
].ssid_len
= nla_len(attr
);
3414 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
3419 if (info
->attrs
[NL80211_ATTR_IE
]) {
3420 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3421 memcpy((void *)request
->ie
,
3422 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
3427 request
->wiphy
= &rdev
->wiphy
;
3429 rdev
->scan_req
= request
;
3430 err
= rdev
->ops
->scan(&rdev
->wiphy
, dev
, request
);
3433 nl80211_send_scan_start(rdev
, dev
);
3437 rdev
->scan_req
= NULL
;
3444 static int nl80211_start_sched_scan(struct sk_buff
*skb
,
3445 struct genl_info
*info
)
3447 struct cfg80211_sched_scan_request
*request
;
3448 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3449 struct net_device
*dev
= info
->user_ptr
[1];
3450 struct nlattr
*attr
;
3451 struct wiphy
*wiphy
;
3452 int err
, tmp
, n_ssids
= 0, n_channels
, i
;
3454 enum ieee80211_band band
;
3457 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
3458 !rdev
->ops
->sched_scan_start
)
3461 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3464 if (rdev
->sched_scan_req
)
3465 return -EINPROGRESS
;
3467 if (!info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
])
3470 interval
= nla_get_u32(info
->attrs
[NL80211_ATTR_SCHED_SCAN_INTERVAL
]);
3474 wiphy
= &rdev
->wiphy
;
3476 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
3477 n_channels
= validate_scan_freqs(
3478 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]);
3484 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
3485 if (wiphy
->bands
[band
])
3486 n_channels
+= wiphy
->bands
[band
]->n_channels
;
3489 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
3490 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
3494 if (n_ssids
> wiphy
->max_scan_ssids
)
3497 if (info
->attrs
[NL80211_ATTR_IE
])
3498 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3502 if (ie_len
> wiphy
->max_scan_ie_len
)
3505 request
= kzalloc(sizeof(*request
)
3506 + sizeof(*request
->ssids
) * n_ssids
3507 + sizeof(*request
->channels
) * n_channels
3508 + ie_len
, GFP_KERNEL
);
3513 request
->ssids
= (void *)&request
->channels
[n_channels
];
3514 request
->n_ssids
= n_ssids
;
3517 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
3519 request
->ie
= (void *)(request
->channels
+ n_channels
);
3523 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
3524 /* user specified, bail out if channel not found */
3525 nla_for_each_nested(attr
,
3526 info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
],
3528 struct ieee80211_channel
*chan
;
3530 chan
= ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
3537 /* ignore disabled channels */
3538 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
3541 request
->channels
[i
] = chan
;
3546 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
3548 if (!wiphy
->bands
[band
])
3550 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
3551 struct ieee80211_channel
*chan
;
3553 chan
= &wiphy
->bands
[band
]->channels
[j
];
3555 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
3558 request
->channels
[i
] = chan
;
3569 request
->n_channels
= i
;
3572 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
3573 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
],
3575 if (nla_len(attr
) > IEEE80211_MAX_SSID_LEN
) {
3579 request
->ssids
[i
].ssid_len
= nla_len(attr
);
3580 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
),
3586 if (info
->attrs
[NL80211_ATTR_IE
]) {
3587 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3588 memcpy((void *)request
->ie
,
3589 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
3594 request
->wiphy
= &rdev
->wiphy
;
3595 request
->interval
= interval
;
3597 err
= rdev
->ops
->sched_scan_start(&rdev
->wiphy
, dev
, request
);
3599 rdev
->sched_scan_req
= request
;
3600 nl80211_send_sched_scan(rdev
, dev
,
3601 NL80211_CMD_START_SCHED_SCAN
);
3611 static int nl80211_stop_sched_scan(struct sk_buff
*skb
,
3612 struct genl_info
*info
)
3614 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3616 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_SUPPORTS_SCHED_SCAN
) ||
3617 !rdev
->ops
->sched_scan_stop
)
3620 return __cfg80211_stop_sched_scan(rdev
, false);
3623 static int nl80211_send_bss(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
3624 struct cfg80211_registered_device
*rdev
,
3625 struct wireless_dev
*wdev
,
3626 struct cfg80211_internal_bss
*intbss
)
3628 struct cfg80211_bss
*res
= &intbss
->pub
;
3633 ASSERT_WDEV_LOCK(wdev
);
3635 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
,
3636 NL80211_CMD_NEW_SCAN_RESULTS
);
3640 NLA_PUT_U32(msg
, NL80211_ATTR_GENERATION
, rdev
->bss_generation
);
3641 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, wdev
->netdev
->ifindex
);
3643 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
3645 goto nla_put_failure
;
3646 if (!is_zero_ether_addr(res
->bssid
))
3647 NLA_PUT(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
);
3648 if (res
->information_elements
&& res
->len_information_elements
)
3649 NLA_PUT(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
3650 res
->len_information_elements
,
3651 res
->information_elements
);
3652 if (res
->beacon_ies
&& res
->len_beacon_ies
&&
3653 res
->beacon_ies
!= res
->information_elements
)
3654 NLA_PUT(msg
, NL80211_BSS_BEACON_IES
,
3655 res
->len_beacon_ies
, res
->beacon_ies
);
3657 NLA_PUT_U64(msg
, NL80211_BSS_TSF
, res
->tsf
);
3658 if (res
->beacon_interval
)
3659 NLA_PUT_U16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
);
3660 NLA_PUT_U16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
);
3661 NLA_PUT_U32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
);
3662 NLA_PUT_U32(msg
, NL80211_BSS_SEEN_MS_AGO
,
3663 jiffies_to_msecs(jiffies
- intbss
->ts
));
3665 switch (rdev
->wiphy
.signal_type
) {
3666 case CFG80211_SIGNAL_TYPE_MBM
:
3667 NLA_PUT_U32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
);
3669 case CFG80211_SIGNAL_TYPE_UNSPEC
:
3670 NLA_PUT_U8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
);
3676 switch (wdev
->iftype
) {
3677 case NL80211_IFTYPE_P2P_CLIENT
:
3678 case NL80211_IFTYPE_STATION
:
3679 if (intbss
== wdev
->current_bss
)
3680 NLA_PUT_U32(msg
, NL80211_BSS_STATUS
,
3681 NL80211_BSS_STATUS_ASSOCIATED
);
3682 else for (i
= 0; i
< MAX_AUTH_BSSES
; i
++) {
3683 if (intbss
!= wdev
->auth_bsses
[i
])
3685 NLA_PUT_U32(msg
, NL80211_BSS_STATUS
,
3686 NL80211_BSS_STATUS_AUTHENTICATED
);
3690 case NL80211_IFTYPE_ADHOC
:
3691 if (intbss
== wdev
->current_bss
)
3692 NLA_PUT_U32(msg
, NL80211_BSS_STATUS
,
3693 NL80211_BSS_STATUS_IBSS_JOINED
);
3699 nla_nest_end(msg
, bss
);
3701 return genlmsg_end(msg
, hdr
);
3704 genlmsg_cancel(msg
, hdr
);
3708 static int nl80211_dump_scan(struct sk_buff
*skb
,
3709 struct netlink_callback
*cb
)
3711 struct cfg80211_registered_device
*rdev
;
3712 struct net_device
*dev
;
3713 struct cfg80211_internal_bss
*scan
;
3714 struct wireless_dev
*wdev
;
3715 int start
= cb
->args
[1], idx
= 0;
3718 err
= nl80211_prepare_netdev_dump(skb
, cb
, &rdev
, &dev
);
3722 wdev
= dev
->ieee80211_ptr
;
3725 spin_lock_bh(&rdev
->bss_lock
);
3726 cfg80211_bss_expire(rdev
);
3728 list_for_each_entry(scan
, &rdev
->bss_list
, list
) {
3731 if (nl80211_send_bss(skb
,
3732 NETLINK_CB(cb
->skb
).pid
,
3733 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3734 rdev
, wdev
, scan
) < 0) {
3740 spin_unlock_bh(&rdev
->bss_lock
);
3744 nl80211_finish_netdev_dump(rdev
);
3749 static int nl80211_send_survey(struct sk_buff
*msg
, u32 pid
, u32 seq
,
3750 int flags
, struct net_device
*dev
,
3751 struct survey_info
*survey
)
3754 struct nlattr
*infoattr
;
3756 /* Survey without a channel doesn't make sense */
3757 if (!survey
->channel
)
3760 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
,
3761 NL80211_CMD_NEW_SURVEY_RESULTS
);
3765 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
3767 infoattr
= nla_nest_start(msg
, NL80211_ATTR_SURVEY_INFO
);
3769 goto nla_put_failure
;
3771 NLA_PUT_U32(msg
, NL80211_SURVEY_INFO_FREQUENCY
,
3772 survey
->channel
->center_freq
);
3773 if (survey
->filled
& SURVEY_INFO_NOISE_DBM
)
3774 NLA_PUT_U8(msg
, NL80211_SURVEY_INFO_NOISE
,
3776 if (survey
->filled
& SURVEY_INFO_IN_USE
)
3777 NLA_PUT_FLAG(msg
, NL80211_SURVEY_INFO_IN_USE
);
3778 if (survey
->filled
& SURVEY_INFO_CHANNEL_TIME
)
3779 NLA_PUT_U64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME
,
3780 survey
->channel_time
);
3781 if (survey
->filled
& SURVEY_INFO_CHANNEL_TIME_BUSY
)
3782 NLA_PUT_U64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_BUSY
,
3783 survey
->channel_time_busy
);
3784 if (survey
->filled
& SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
)
3785 NLA_PUT_U64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_EXT_BUSY
,
3786 survey
->channel_time_ext_busy
);
3787 if (survey
->filled
& SURVEY_INFO_CHANNEL_TIME_RX
)
3788 NLA_PUT_U64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_RX
,
3789 survey
->channel_time_rx
);
3790 if (survey
->filled
& SURVEY_INFO_CHANNEL_TIME_TX
)
3791 NLA_PUT_U64(msg
, NL80211_SURVEY_INFO_CHANNEL_TIME_TX
,
3792 survey
->channel_time_tx
);
3794 nla_nest_end(msg
, infoattr
);
3796 return genlmsg_end(msg
, hdr
);
3799 genlmsg_cancel(msg
, hdr
);
3803 static int nl80211_dump_survey(struct sk_buff
*skb
,
3804 struct netlink_callback
*cb
)
3806 struct survey_info survey
;
3807 struct cfg80211_registered_device
*dev
;
3808 struct net_device
*netdev
;
3809 int survey_idx
= cb
->args
[1];
3812 res
= nl80211_prepare_netdev_dump(skb
, cb
, &dev
, &netdev
);
3816 if (!dev
->ops
->dump_survey
) {
3822 res
= dev
->ops
->dump_survey(&dev
->wiphy
, netdev
, survey_idx
,
3829 if (nl80211_send_survey(skb
,
3830 NETLINK_CB(cb
->skb
).pid
,
3831 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
3839 cb
->args
[1] = survey_idx
;
3842 nl80211_finish_netdev_dump(dev
);
3846 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type
)
3848 return auth_type
<= NL80211_AUTHTYPE_MAX
;
3851 static bool nl80211_valid_wpa_versions(u32 wpa_versions
)
3853 return !(wpa_versions
& ~(NL80211_WPA_VERSION_1
|
3854 NL80211_WPA_VERSION_2
));
3857 static bool nl80211_valid_akm_suite(u32 akm
)
3859 return akm
== WLAN_AKM_SUITE_8021X
||
3860 akm
== WLAN_AKM_SUITE_PSK
;
3863 static bool nl80211_valid_cipher_suite(u32 cipher
)
3865 return cipher
== WLAN_CIPHER_SUITE_WEP40
||
3866 cipher
== WLAN_CIPHER_SUITE_WEP104
||
3867 cipher
== WLAN_CIPHER_SUITE_TKIP
||
3868 cipher
== WLAN_CIPHER_SUITE_CCMP
||
3869 cipher
== WLAN_CIPHER_SUITE_AES_CMAC
;
3873 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
3875 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
3876 struct net_device
*dev
= info
->user_ptr
[1];
3877 struct ieee80211_channel
*chan
;
3878 const u8
*bssid
, *ssid
, *ie
= NULL
;
3879 int err
, ssid_len
, ie_len
= 0;
3880 enum nl80211_auth_type auth_type
;
3881 struct key_parse key
;
3882 bool local_state_change
;
3884 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
3887 if (!info
->attrs
[NL80211_ATTR_MAC
])
3890 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
3893 if (!info
->attrs
[NL80211_ATTR_SSID
])
3896 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
3899 err
= nl80211_parse_key(info
, &key
);
3904 if (key
.type
!= -1 && key
.type
!= NL80211_KEYTYPE_GROUP
)
3906 if (!key
.p
.key
|| !key
.p
.key_len
)
3908 if ((key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP40
||
3909 key
.p
.key_len
!= WLAN_KEY_LEN_WEP40
) &&
3910 (key
.p
.cipher
!= WLAN_CIPHER_SUITE_WEP104
||
3911 key
.p
.key_len
!= WLAN_KEY_LEN_WEP104
))
3923 for (i
= 0; i
< rdev
->wiphy
.n_cipher_suites
; i
++) {
3924 if (key
.p
.cipher
== rdev
->wiphy
.cipher_suites
[i
]) {
3933 if (!rdev
->ops
->auth
)
3936 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
3937 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
3940 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3941 chan
= ieee80211_get_channel(&rdev
->wiphy
,
3942 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
3943 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
3946 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
3947 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
3949 if (info
->attrs
[NL80211_ATTR_IE
]) {
3950 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3951 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3954 auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
3955 if (!nl80211_valid_auth_type(auth_type
))
3958 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
3960 return cfg80211_mlme_auth(rdev
, dev
, chan
, auth_type
, bssid
,
3961 ssid
, ssid_len
, ie
, ie_len
,
3962 key
.p
.key
, key
.p
.key_len
, key
.idx
,
3963 local_state_change
);
3966 static int nl80211_crypto_settings(struct cfg80211_registered_device
*rdev
,
3967 struct genl_info
*info
,
3968 struct cfg80211_crypto_settings
*settings
,
3971 memset(settings
, 0, sizeof(*settings
));
3973 settings
->control_port
= info
->attrs
[NL80211_ATTR_CONTROL_PORT
];
3975 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]) {
3977 proto
= nla_get_u16(
3978 info
->attrs
[NL80211_ATTR_CONTROL_PORT_ETHERTYPE
]);
3979 settings
->control_port_ethertype
= cpu_to_be16(proto
);
3980 if (!(rdev
->wiphy
.flags
& WIPHY_FLAG_CONTROL_PORT_PROTOCOL
) &&
3983 if (info
->attrs
[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT
])
3984 settings
->control_port_no_encrypt
= true;
3986 settings
->control_port_ethertype
= cpu_to_be16(ETH_P_PAE
);
3988 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]) {
3992 data
= nla_data(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
3993 len
= nla_len(info
->attrs
[NL80211_ATTR_CIPHER_SUITES_PAIRWISE
]);
3994 settings
->n_ciphers_pairwise
= len
/ sizeof(u32
);
3996 if (len
% sizeof(u32
))
3999 if (settings
->n_ciphers_pairwise
> cipher_limit
)
4002 memcpy(settings
->ciphers_pairwise
, data
, len
);
4004 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
4005 if (!nl80211_valid_cipher_suite(
4006 settings
->ciphers_pairwise
[i
]))
4010 if (info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]) {
4011 settings
->cipher_group
=
4012 nla_get_u32(info
->attrs
[NL80211_ATTR_CIPHER_SUITE_GROUP
]);
4013 if (!nl80211_valid_cipher_suite(settings
->cipher_group
))
4017 if (info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]) {
4018 settings
->wpa_versions
=
4019 nla_get_u32(info
->attrs
[NL80211_ATTR_WPA_VERSIONS
]);
4020 if (!nl80211_valid_wpa_versions(settings
->wpa_versions
))
4024 if (info
->attrs
[NL80211_ATTR_AKM_SUITES
]) {
4028 data
= nla_data(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
4029 len
= nla_len(info
->attrs
[NL80211_ATTR_AKM_SUITES
]);
4030 settings
->n_akm_suites
= len
/ sizeof(u32
);
4032 if (len
% sizeof(u32
))
4035 memcpy(settings
->akm_suites
, data
, len
);
4037 for (i
= 0; i
< settings
->n_ciphers_pairwise
; i
++)
4038 if (!nl80211_valid_akm_suite(settings
->akm_suites
[i
]))
4045 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
4047 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4048 struct net_device
*dev
= info
->user_ptr
[1];
4049 struct cfg80211_crypto_settings crypto
;
4050 struct ieee80211_channel
*chan
;
4051 const u8
*bssid
, *ssid
, *ie
= NULL
, *prev_bssid
= NULL
;
4052 int err
, ssid_len
, ie_len
= 0;
4053 bool use_mfp
= false;
4055 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4058 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
4059 !info
->attrs
[NL80211_ATTR_SSID
] ||
4060 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
4063 if (!rdev
->ops
->assoc
)
4066 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4067 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4070 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4072 chan
= ieee80211_get_channel(&rdev
->wiphy
,
4073 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
4074 if (!chan
|| (chan
->flags
& IEEE80211_CHAN_DISABLED
))
4077 ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
4078 ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
4080 if (info
->attrs
[NL80211_ATTR_IE
]) {
4081 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
4082 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4085 if (info
->attrs
[NL80211_ATTR_USE_MFP
]) {
4086 enum nl80211_mfp mfp
=
4087 nla_get_u32(info
->attrs
[NL80211_ATTR_USE_MFP
]);
4088 if (mfp
== NL80211_MFP_REQUIRED
)
4090 else if (mfp
!= NL80211_MFP_NO
)
4094 if (info
->attrs
[NL80211_ATTR_PREV_BSSID
])
4095 prev_bssid
= nla_data(info
->attrs
[NL80211_ATTR_PREV_BSSID
]);
4097 err
= nl80211_crypto_settings(rdev
, info
, &crypto
, 1);
4099 err
= cfg80211_mlme_assoc(rdev
, dev
, chan
, bssid
, prev_bssid
,
4100 ssid
, ssid_len
, ie
, ie_len
, use_mfp
,
4106 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
4108 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4109 struct net_device
*dev
= info
->user_ptr
[1];
4110 const u8
*ie
= NULL
, *bssid
;
4113 bool local_state_change
;
4115 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4118 if (!info
->attrs
[NL80211_ATTR_MAC
])
4121 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
4124 if (!rdev
->ops
->deauth
)
4127 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4128 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4131 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4133 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4134 if (reason_code
== 0) {
4135 /* Reason Code 0 is reserved */
4139 if (info
->attrs
[NL80211_ATTR_IE
]) {
4140 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
4141 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4144 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
4146 return cfg80211_mlme_deauth(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
4147 local_state_change
);
4150 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
4152 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4153 struct net_device
*dev
= info
->user_ptr
[1];
4154 const u8
*ie
= NULL
, *bssid
;
4157 bool local_state_change
;
4159 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4162 if (!info
->attrs
[NL80211_ATTR_MAC
])
4165 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
4168 if (!rdev
->ops
->disassoc
)
4171 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4172 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4175 bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4177 reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4178 if (reason_code
== 0) {
4179 /* Reason Code 0 is reserved */
4183 if (info
->attrs
[NL80211_ATTR_IE
]) {
4184 ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
4185 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4188 local_state_change
= !!info
->attrs
[NL80211_ATTR_LOCAL_STATE_CHANGE
];
4190 return cfg80211_mlme_disassoc(rdev
, dev
, bssid
, ie
, ie_len
, reason_code
,
4191 local_state_change
);
4195 nl80211_parse_mcast_rate(struct cfg80211_registered_device
*rdev
,
4196 int mcast_rate
[IEEE80211_NUM_BANDS
],
4199 struct wiphy
*wiphy
= &rdev
->wiphy
;
4203 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
4204 struct ieee80211_supported_band
*sband
;
4206 sband
= wiphy
->bands
[band
];
4210 for (i
= 0; i
< sband
->n_bitrates
; i
++) {
4211 if (sband
->bitrates
[i
].bitrate
== rateval
) {
4212 mcast_rate
[band
] = i
+ 1;
4222 static int nl80211_join_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
4224 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4225 struct net_device
*dev
= info
->user_ptr
[1];
4226 struct cfg80211_ibss_params ibss
;
4227 struct wiphy
*wiphy
;
4228 struct cfg80211_cached_keys
*connkeys
= NULL
;
4231 memset(&ibss
, 0, sizeof(ibss
));
4233 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4236 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
4237 !info
->attrs
[NL80211_ATTR_SSID
] ||
4238 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
4241 ibss
.beacon_interval
= 100;
4243 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
4244 ibss
.beacon_interval
=
4245 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
4246 if (ibss
.beacon_interval
< 1 || ibss
.beacon_interval
> 10000)
4250 if (!rdev
->ops
->join_ibss
)
4253 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
4256 wiphy
= &rdev
->wiphy
;
4258 if (info
->attrs
[NL80211_ATTR_MAC
])
4259 ibss
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4260 ibss
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
4261 ibss
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
4263 if (info
->attrs
[NL80211_ATTR_IE
]) {
4264 ibss
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
4265 ibss
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4268 ibss
.channel
= ieee80211_get_channel(wiphy
,
4269 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
4270 if (!ibss
.channel
||
4271 ibss
.channel
->flags
& IEEE80211_CHAN_NO_IBSS
||
4272 ibss
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
4275 ibss
.channel_fixed
= !!info
->attrs
[NL80211_ATTR_FREQ_FIXED
];
4276 ibss
.privacy
= !!info
->attrs
[NL80211_ATTR_PRIVACY
];
4278 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
4280 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4282 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
4283 struct ieee80211_supported_band
*sband
=
4284 wiphy
->bands
[ibss
.channel
->band
];
4290 for (i
= 0; i
< n_rates
; i
++) {
4291 int rate
= (rates
[i
] & 0x7f) * 5;
4294 for (j
= 0; j
< sband
->n_bitrates
; j
++) {
4295 if (sband
->bitrates
[j
].bitrate
== rate
) {
4297 ibss
.basic_rates
|= BIT(j
);
4306 if (info
->attrs
[NL80211_ATTR_MCAST_RATE
] &&
4307 !nl80211_parse_mcast_rate(rdev
, ibss
.mcast_rate
,
4308 nla_get_u32(info
->attrs
[NL80211_ATTR_MCAST_RATE
])))
4311 if (ibss
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
4312 connkeys
= nl80211_parse_connkeys(rdev
,
4313 info
->attrs
[NL80211_ATTR_KEYS
]);
4314 if (IS_ERR(connkeys
))
4315 return PTR_ERR(connkeys
);
4318 err
= cfg80211_join_ibss(rdev
, dev
, &ibss
, connkeys
);
4324 static int nl80211_leave_ibss(struct sk_buff
*skb
, struct genl_info
*info
)
4326 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4327 struct net_device
*dev
= info
->user_ptr
[1];
4329 if (!rdev
->ops
->leave_ibss
)
4332 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
)
4335 return cfg80211_leave_ibss(rdev
, dev
, false);
4338 #ifdef CONFIG_NL80211_TESTMODE
4339 static struct genl_multicast_group nl80211_testmode_mcgrp
= {
4343 static int nl80211_testmode_do(struct sk_buff
*skb
, struct genl_info
*info
)
4345 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4348 if (!info
->attrs
[NL80211_ATTR_TESTDATA
])
4352 if (rdev
->ops
->testmode_cmd
) {
4353 rdev
->testmode_info
= info
;
4354 err
= rdev
->ops
->testmode_cmd(&rdev
->wiphy
,
4355 nla_data(info
->attrs
[NL80211_ATTR_TESTDATA
]),
4356 nla_len(info
->attrs
[NL80211_ATTR_TESTDATA
]));
4357 rdev
->testmode_info
= NULL
;
4363 static struct sk_buff
*
4364 __cfg80211_testmode_alloc_skb(struct cfg80211_registered_device
*rdev
,
4365 int approxlen
, u32 pid
, u32 seq
, gfp_t gfp
)
4367 struct sk_buff
*skb
;
4369 struct nlattr
*data
;
4371 skb
= nlmsg_new(approxlen
+ 100, gfp
);
4375 hdr
= nl80211hdr_put(skb
, pid
, seq
, 0, NL80211_CMD_TESTMODE
);
4381 NLA_PUT_U32(skb
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
4382 data
= nla_nest_start(skb
, NL80211_ATTR_TESTDATA
);
4384 ((void **)skb
->cb
)[0] = rdev
;
4385 ((void **)skb
->cb
)[1] = hdr
;
4386 ((void **)skb
->cb
)[2] = data
;
4395 struct sk_buff
*cfg80211_testmode_alloc_reply_skb(struct wiphy
*wiphy
,
4398 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
4400 if (WARN_ON(!rdev
->testmode_info
))
4403 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
,
4404 rdev
->testmode_info
->snd_pid
,
4405 rdev
->testmode_info
->snd_seq
,
4408 EXPORT_SYMBOL(cfg80211_testmode_alloc_reply_skb
);
4410 int cfg80211_testmode_reply(struct sk_buff
*skb
)
4412 struct cfg80211_registered_device
*rdev
= ((void **)skb
->cb
)[0];
4413 void *hdr
= ((void **)skb
->cb
)[1];
4414 struct nlattr
*data
= ((void **)skb
->cb
)[2];
4416 if (WARN_ON(!rdev
->testmode_info
)) {
4421 nla_nest_end(skb
, data
);
4422 genlmsg_end(skb
, hdr
);
4423 return genlmsg_reply(skb
, rdev
->testmode_info
);
4425 EXPORT_SYMBOL(cfg80211_testmode_reply
);
4427 struct sk_buff
*cfg80211_testmode_alloc_event_skb(struct wiphy
*wiphy
,
4428 int approxlen
, gfp_t gfp
)
4430 struct cfg80211_registered_device
*rdev
= wiphy_to_dev(wiphy
);
4432 return __cfg80211_testmode_alloc_skb(rdev
, approxlen
, 0, 0, gfp
);
4434 EXPORT_SYMBOL(cfg80211_testmode_alloc_event_skb
);
4436 void cfg80211_testmode_event(struct sk_buff
*skb
, gfp_t gfp
)
4438 void *hdr
= ((void **)skb
->cb
)[1];
4439 struct nlattr
*data
= ((void **)skb
->cb
)[2];
4441 nla_nest_end(skb
, data
);
4442 genlmsg_end(skb
, hdr
);
4443 genlmsg_multicast(skb
, 0, nl80211_testmode_mcgrp
.id
, gfp
);
4445 EXPORT_SYMBOL(cfg80211_testmode_event
);
4448 static int nl80211_connect(struct sk_buff
*skb
, struct genl_info
*info
)
4450 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4451 struct net_device
*dev
= info
->user_ptr
[1];
4452 struct cfg80211_connect_params connect
;
4453 struct wiphy
*wiphy
;
4454 struct cfg80211_cached_keys
*connkeys
= NULL
;
4457 memset(&connect
, 0, sizeof(connect
));
4459 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
4462 if (!info
->attrs
[NL80211_ATTR_SSID
] ||
4463 !nla_len(info
->attrs
[NL80211_ATTR_SSID
]))
4466 if (info
->attrs
[NL80211_ATTR_AUTH_TYPE
]) {
4468 nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
4469 if (!nl80211_valid_auth_type(connect
.auth_type
))
4472 connect
.auth_type
= NL80211_AUTHTYPE_AUTOMATIC
;
4474 connect
.privacy
= info
->attrs
[NL80211_ATTR_PRIVACY
];
4476 err
= nl80211_crypto_settings(rdev
, info
, &connect
.crypto
,
4477 NL80211_MAX_NR_CIPHER_SUITES
);
4481 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4482 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4485 wiphy
= &rdev
->wiphy
;
4487 if (info
->attrs
[NL80211_ATTR_MAC
])
4488 connect
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4489 connect
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
4490 connect
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
4492 if (info
->attrs
[NL80211_ATTR_IE
]) {
4493 connect
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
4494 connect
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
4497 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
4499 ieee80211_get_channel(wiphy
,
4500 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
4501 if (!connect
.channel
||
4502 connect
.channel
->flags
& IEEE80211_CHAN_DISABLED
)
4506 if (connect
.privacy
&& info
->attrs
[NL80211_ATTR_KEYS
]) {
4507 connkeys
= nl80211_parse_connkeys(rdev
,
4508 info
->attrs
[NL80211_ATTR_KEYS
]);
4509 if (IS_ERR(connkeys
))
4510 return PTR_ERR(connkeys
);
4513 err
= cfg80211_connect(rdev
, dev
, &connect
, connkeys
);
4519 static int nl80211_disconnect(struct sk_buff
*skb
, struct genl_info
*info
)
4521 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4522 struct net_device
*dev
= info
->user_ptr
[1];
4525 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
4526 reason
= WLAN_REASON_DEAUTH_LEAVING
;
4528 reason
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
4533 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4534 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4537 return cfg80211_disconnect(rdev
, dev
, reason
, true);
4540 static int nl80211_wiphy_netns(struct sk_buff
*skb
, struct genl_info
*info
)
4542 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4547 if (!info
->attrs
[NL80211_ATTR_PID
])
4550 pid
= nla_get_u32(info
->attrs
[NL80211_ATTR_PID
]);
4552 net
= get_net_ns_by_pid(pid
);
4554 return PTR_ERR(net
);
4558 /* check if anything to do */
4559 if (!net_eq(wiphy_net(&rdev
->wiphy
), net
))
4560 err
= cfg80211_switch_netns(rdev
, net
);
4566 static int nl80211_setdel_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
4568 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4569 int (*rdev_ops
)(struct wiphy
*wiphy
, struct net_device
*dev
,
4570 struct cfg80211_pmksa
*pmksa
) = NULL
;
4571 struct net_device
*dev
= info
->user_ptr
[1];
4572 struct cfg80211_pmksa pmksa
;
4574 memset(&pmksa
, 0, sizeof(struct cfg80211_pmksa
));
4576 if (!info
->attrs
[NL80211_ATTR_MAC
])
4579 if (!info
->attrs
[NL80211_ATTR_PMKID
])
4582 pmksa
.pmkid
= nla_data(info
->attrs
[NL80211_ATTR_PMKID
]);
4583 pmksa
.bssid
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
4585 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4586 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4589 switch (info
->genlhdr
->cmd
) {
4590 case NL80211_CMD_SET_PMKSA
:
4591 rdev_ops
= rdev
->ops
->set_pmksa
;
4593 case NL80211_CMD_DEL_PMKSA
:
4594 rdev_ops
= rdev
->ops
->del_pmksa
;
4604 return rdev_ops(&rdev
->wiphy
, dev
, &pmksa
);
4607 static int nl80211_flush_pmksa(struct sk_buff
*skb
, struct genl_info
*info
)
4609 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4610 struct net_device
*dev
= info
->user_ptr
[1];
4612 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4613 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
4616 if (!rdev
->ops
->flush_pmksa
)
4619 return rdev
->ops
->flush_pmksa(&rdev
->wiphy
, dev
);
4622 static int nl80211_remain_on_channel(struct sk_buff
*skb
,
4623 struct genl_info
*info
)
4625 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4626 struct net_device
*dev
= info
->user_ptr
[1];
4627 struct ieee80211_channel
*chan
;
4628 struct sk_buff
*msg
;
4631 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
4635 if (!info
->attrs
[NL80211_ATTR_WIPHY_FREQ
] ||
4636 !info
->attrs
[NL80211_ATTR_DURATION
])
4639 duration
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
4642 * We should be on that channel for at least one jiffie,
4643 * and more than 5 seconds seems excessive.
4645 if (!duration
|| !msecs_to_jiffies(duration
) ||
4646 duration
> rdev
->wiphy
.max_remain_on_channel_duration
)
4649 if (!rdev
->ops
->remain_on_channel
)
4652 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
4653 channel_type
= nla_get_u32(
4654 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
4655 if (channel_type
!= NL80211_CHAN_NO_HT
&&
4656 channel_type
!= NL80211_CHAN_HT20
&&
4657 channel_type
!= NL80211_CHAN_HT40PLUS
&&
4658 channel_type
!= NL80211_CHAN_HT40MINUS
)
4662 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
4663 chan
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
4667 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4671 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
4672 NL80211_CMD_REMAIN_ON_CHANNEL
);
4679 err
= rdev
->ops
->remain_on_channel(&rdev
->wiphy
, dev
, chan
,
4680 channel_type
, duration
, &cookie
);
4685 NLA_PUT_U64(msg
, NL80211_ATTR_COOKIE
, cookie
);
4687 genlmsg_end(msg
, hdr
);
4689 return genlmsg_reply(msg
, info
);
4698 static int nl80211_cancel_remain_on_channel(struct sk_buff
*skb
,
4699 struct genl_info
*info
)
4701 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4702 struct net_device
*dev
= info
->user_ptr
[1];
4705 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
4708 if (!rdev
->ops
->cancel_remain_on_channel
)
4711 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
4713 return rdev
->ops
->cancel_remain_on_channel(&rdev
->wiphy
, dev
, cookie
);
4716 static u32
rateset_to_mask(struct ieee80211_supported_band
*sband
,
4717 u8
*rates
, u8 rates_len
)
4722 for (i
= 0; i
< rates_len
; i
++) {
4723 int rate
= (rates
[i
] & 0x7f) * 5;
4725 for (ridx
= 0; ridx
< sband
->n_bitrates
; ridx
++) {
4726 struct ieee80211_rate
*srate
=
4727 &sband
->bitrates
[ridx
];
4728 if (rate
== srate
->bitrate
) {
4733 if (ridx
== sband
->n_bitrates
)
4734 return 0; /* rate not found */
4740 static const struct nla_policy nl80211_txattr_policy
[NL80211_TXRATE_MAX
+ 1] = {
4741 [NL80211_TXRATE_LEGACY
] = { .type
= NLA_BINARY
,
4742 .len
= NL80211_MAX_SUPP_RATES
},
4745 static int nl80211_set_tx_bitrate_mask(struct sk_buff
*skb
,
4746 struct genl_info
*info
)
4748 struct nlattr
*tb
[NL80211_TXRATE_MAX
+ 1];
4749 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4750 struct cfg80211_bitrate_mask mask
;
4752 struct net_device
*dev
= info
->user_ptr
[1];
4753 struct nlattr
*tx_rates
;
4754 struct ieee80211_supported_band
*sband
;
4756 if (info
->attrs
[NL80211_ATTR_TX_RATES
] == NULL
)
4759 if (!rdev
->ops
->set_bitrate_mask
)
4762 memset(&mask
, 0, sizeof(mask
));
4763 /* Default to all rates enabled */
4764 for (i
= 0; i
< IEEE80211_NUM_BANDS
; i
++) {
4765 sband
= rdev
->wiphy
.bands
[i
];
4766 mask
.control
[i
].legacy
=
4767 sband
? (1 << sband
->n_bitrates
) - 1 : 0;
4771 * The nested attribute uses enum nl80211_band as the index. This maps
4772 * directly to the enum ieee80211_band values used in cfg80211.
4774 nla_for_each_nested(tx_rates
, info
->attrs
[NL80211_ATTR_TX_RATES
], rem
)
4776 enum ieee80211_band band
= nla_type(tx_rates
);
4777 if (band
< 0 || band
>= IEEE80211_NUM_BANDS
)
4779 sband
= rdev
->wiphy
.bands
[band
];
4782 nla_parse(tb
, NL80211_TXRATE_MAX
, nla_data(tx_rates
),
4783 nla_len(tx_rates
), nl80211_txattr_policy
);
4784 if (tb
[NL80211_TXRATE_LEGACY
]) {
4785 mask
.control
[band
].legacy
= rateset_to_mask(
4787 nla_data(tb
[NL80211_TXRATE_LEGACY
]),
4788 nla_len(tb
[NL80211_TXRATE_LEGACY
]));
4789 if (mask
.control
[band
].legacy
== 0)
4794 return rdev
->ops
->set_bitrate_mask(&rdev
->wiphy
, dev
, NULL
, &mask
);
4797 static int nl80211_register_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
4799 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4800 struct net_device
*dev
= info
->user_ptr
[1];
4801 u16 frame_type
= IEEE80211_FTYPE_MGMT
| IEEE80211_STYPE_ACTION
;
4803 if (!info
->attrs
[NL80211_ATTR_FRAME_MATCH
])
4806 if (info
->attrs
[NL80211_ATTR_FRAME_TYPE
])
4807 frame_type
= nla_get_u16(info
->attrs
[NL80211_ATTR_FRAME_TYPE
]);
4809 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4810 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
4811 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
4812 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4813 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4814 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4815 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4818 /* not much point in registering if we can't reply */
4819 if (!rdev
->ops
->mgmt_tx
)
4822 return cfg80211_mlme_register_mgmt(dev
->ieee80211_ptr
, info
->snd_pid
,
4824 nla_data(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]),
4825 nla_len(info
->attrs
[NL80211_ATTR_FRAME_MATCH
]));
4828 static int nl80211_tx_mgmt(struct sk_buff
*skb
, struct genl_info
*info
)
4830 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4831 struct net_device
*dev
= info
->user_ptr
[1];
4832 struct ieee80211_channel
*chan
;
4833 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
4834 bool channel_type_valid
= false;
4839 struct sk_buff
*msg
;
4840 unsigned int wait
= 0;
4843 if (!info
->attrs
[NL80211_ATTR_FRAME
] ||
4844 !info
->attrs
[NL80211_ATTR_WIPHY_FREQ
])
4847 if (!rdev
->ops
->mgmt_tx
)
4850 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4851 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
4852 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
4853 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4854 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4855 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
&&
4856 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4859 if (info
->attrs
[NL80211_ATTR_DURATION
]) {
4860 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
4862 wait
= nla_get_u32(info
->attrs
[NL80211_ATTR_DURATION
]);
4865 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
4866 channel_type
= nla_get_u32(
4867 info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
4868 if (channel_type
!= NL80211_CHAN_NO_HT
&&
4869 channel_type
!= NL80211_CHAN_HT20
&&
4870 channel_type
!= NL80211_CHAN_HT40PLUS
&&
4871 channel_type
!= NL80211_CHAN_HT40MINUS
)
4873 channel_type_valid
= true;
4876 offchan
= info
->attrs
[NL80211_ATTR_OFFCHANNEL_TX_OK
];
4878 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
4879 chan
= rdev_freq_to_chan(rdev
, freq
, channel_type
);
4883 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4887 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
4894 err
= cfg80211_mlme_mgmt_tx(rdev
, dev
, chan
, offchan
, channel_type
,
4895 channel_type_valid
, wait
,
4896 nla_data(info
->attrs
[NL80211_ATTR_FRAME
]),
4897 nla_len(info
->attrs
[NL80211_ATTR_FRAME
]),
4902 NLA_PUT_U64(msg
, NL80211_ATTR_COOKIE
, cookie
);
4904 genlmsg_end(msg
, hdr
);
4905 return genlmsg_reply(msg
, info
);
4914 static int nl80211_tx_mgmt_cancel_wait(struct sk_buff
*skb
, struct genl_info
*info
)
4916 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4917 struct net_device
*dev
= info
->user_ptr
[1];
4920 if (!info
->attrs
[NL80211_ATTR_COOKIE
])
4923 if (!rdev
->ops
->mgmt_tx_cancel_wait
)
4926 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
&&
4927 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_ADHOC
&&
4928 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
&&
4929 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
&&
4930 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP_VLAN
&&
4931 dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_P2P_GO
)
4934 cookie
= nla_get_u64(info
->attrs
[NL80211_ATTR_COOKIE
]);
4936 return rdev
->ops
->mgmt_tx_cancel_wait(&rdev
->wiphy
, dev
, cookie
);
4939 static int nl80211_set_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
4941 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4942 struct wireless_dev
*wdev
;
4943 struct net_device
*dev
= info
->user_ptr
[1];
4948 if (!info
->attrs
[NL80211_ATTR_PS_STATE
])
4951 ps_state
= nla_get_u32(info
->attrs
[NL80211_ATTR_PS_STATE
]);
4953 if (ps_state
!= NL80211_PS_DISABLED
&& ps_state
!= NL80211_PS_ENABLED
)
4956 wdev
= dev
->ieee80211_ptr
;
4958 if (!rdev
->ops
->set_power_mgmt
)
4961 state
= (ps_state
== NL80211_PS_ENABLED
) ? true : false;
4963 if (state
== wdev
->ps
)
4966 err
= rdev
->ops
->set_power_mgmt(wdev
->wiphy
, dev
, state
,
4973 static int nl80211_get_power_save(struct sk_buff
*skb
, struct genl_info
*info
)
4975 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
4976 enum nl80211_ps_state ps_state
;
4977 struct wireless_dev
*wdev
;
4978 struct net_device
*dev
= info
->user_ptr
[1];
4979 struct sk_buff
*msg
;
4983 wdev
= dev
->ieee80211_ptr
;
4985 if (!rdev
->ops
->set_power_mgmt
)
4988 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
4992 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
4993 NL80211_CMD_GET_POWER_SAVE
);
5000 ps_state
= NL80211_PS_ENABLED
;
5002 ps_state
= NL80211_PS_DISABLED
;
5004 NLA_PUT_U32(msg
, NL80211_ATTR_PS_STATE
, ps_state
);
5006 genlmsg_end(msg
, hdr
);
5007 return genlmsg_reply(msg
, info
);
5016 static struct nla_policy
5017 nl80211_attr_cqm_policy
[NL80211_ATTR_CQM_MAX
+ 1] __read_mostly
= {
5018 [NL80211_ATTR_CQM_RSSI_THOLD
] = { .type
= NLA_U32
},
5019 [NL80211_ATTR_CQM_RSSI_HYST
] = { .type
= NLA_U32
},
5020 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
] = { .type
= NLA_U32
},
5023 static int nl80211_set_cqm_rssi(struct genl_info
*info
,
5024 s32 threshold
, u32 hysteresis
)
5026 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5027 struct wireless_dev
*wdev
;
5028 struct net_device
*dev
= info
->user_ptr
[1];
5033 wdev
= dev
->ieee80211_ptr
;
5035 if (!rdev
->ops
->set_cqm_rssi_config
)
5038 if (wdev
->iftype
!= NL80211_IFTYPE_STATION
&&
5039 wdev
->iftype
!= NL80211_IFTYPE_P2P_CLIENT
)
5042 return rdev
->ops
->set_cqm_rssi_config(wdev
->wiphy
, dev
,
5043 threshold
, hysteresis
);
5046 static int nl80211_set_cqm(struct sk_buff
*skb
, struct genl_info
*info
)
5048 struct nlattr
*attrs
[NL80211_ATTR_CQM_MAX
+ 1];
5052 cqm
= info
->attrs
[NL80211_ATTR_CQM
];
5058 err
= nla_parse_nested(attrs
, NL80211_ATTR_CQM_MAX
, cqm
,
5059 nl80211_attr_cqm_policy
);
5063 if (attrs
[NL80211_ATTR_CQM_RSSI_THOLD
] &&
5064 attrs
[NL80211_ATTR_CQM_RSSI_HYST
]) {
5067 threshold
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_THOLD
]);
5068 hysteresis
= nla_get_u32(attrs
[NL80211_ATTR_CQM_RSSI_HYST
]);
5069 err
= nl80211_set_cqm_rssi(info
, threshold
, hysteresis
);
5077 static int nl80211_join_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
5079 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5080 struct net_device
*dev
= info
->user_ptr
[1];
5081 struct mesh_config cfg
;
5082 struct mesh_setup setup
;
5085 /* start with default */
5086 memcpy(&cfg
, &default_mesh_config
, sizeof(cfg
));
5087 memcpy(&setup
, &default_mesh_setup
, sizeof(setup
));
5089 if (info
->attrs
[NL80211_ATTR_MESH_CONFIG
]) {
5090 /* and parse parameters if given */
5091 err
= nl80211_parse_mesh_config(info
, &cfg
, NULL
);
5096 if (!info
->attrs
[NL80211_ATTR_MESH_ID
] ||
5097 !nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]))
5100 setup
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
5101 setup
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
5103 if (info
->attrs
[NL80211_ATTR_MESH_SETUP
]) {
5104 /* parse additional setup parameters if given */
5105 err
= nl80211_parse_mesh_setup(info
, &setup
);
5110 return cfg80211_join_mesh(rdev
, dev
, &setup
, &cfg
);
5113 static int nl80211_leave_mesh(struct sk_buff
*skb
, struct genl_info
*info
)
5115 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5116 struct net_device
*dev
= info
->user_ptr
[1];
5118 return cfg80211_leave_mesh(rdev
, dev
);
5121 static int nl80211_get_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
5123 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5124 struct sk_buff
*msg
;
5127 if (!rdev
->wiphy
.wowlan
.flags
&& !rdev
->wiphy
.wowlan
.n_patterns
)
5130 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5134 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
5135 NL80211_CMD_GET_WOWLAN
);
5137 goto nla_put_failure
;
5140 struct nlattr
*nl_wowlan
;
5142 nl_wowlan
= nla_nest_start(msg
, NL80211_ATTR_WOWLAN_TRIGGERS
);
5144 goto nla_put_failure
;
5146 if (rdev
->wowlan
->any
)
5147 NLA_PUT_FLAG(msg
, NL80211_WOWLAN_TRIG_ANY
);
5148 if (rdev
->wowlan
->disconnect
)
5149 NLA_PUT_FLAG(msg
, NL80211_WOWLAN_TRIG_DISCONNECT
);
5150 if (rdev
->wowlan
->magic_pkt
)
5151 NLA_PUT_FLAG(msg
, NL80211_WOWLAN_TRIG_MAGIC_PKT
);
5152 if (rdev
->wowlan
->n_patterns
) {
5153 struct nlattr
*nl_pats
, *nl_pat
;
5156 nl_pats
= nla_nest_start(msg
,
5157 NL80211_WOWLAN_TRIG_PKT_PATTERN
);
5159 goto nla_put_failure
;
5161 for (i
= 0; i
< rdev
->wowlan
->n_patterns
; i
++) {
5162 nl_pat
= nla_nest_start(msg
, i
+ 1);
5164 goto nla_put_failure
;
5165 pat_len
= rdev
->wowlan
->patterns
[i
].pattern_len
;
5166 NLA_PUT(msg
, NL80211_WOWLAN_PKTPAT_MASK
,
5167 DIV_ROUND_UP(pat_len
, 8),
5168 rdev
->wowlan
->patterns
[i
].mask
);
5169 NLA_PUT(msg
, NL80211_WOWLAN_PKTPAT_PATTERN
,
5171 rdev
->wowlan
->patterns
[i
].pattern
);
5172 nla_nest_end(msg
, nl_pat
);
5174 nla_nest_end(msg
, nl_pats
);
5177 nla_nest_end(msg
, nl_wowlan
);
5180 genlmsg_end(msg
, hdr
);
5181 return genlmsg_reply(msg
, info
);
5188 static int nl80211_set_wowlan(struct sk_buff
*skb
, struct genl_info
*info
)
5190 struct cfg80211_registered_device
*rdev
= info
->user_ptr
[0];
5191 struct nlattr
*tb
[NUM_NL80211_WOWLAN_TRIG
];
5192 struct cfg80211_wowlan no_triggers
= {};
5193 struct cfg80211_wowlan new_triggers
= {};
5194 struct wiphy_wowlan_support
*wowlan
= &rdev
->wiphy
.wowlan
;
5197 if (!rdev
->wiphy
.wowlan
.flags
&& !rdev
->wiphy
.wowlan
.n_patterns
)
5200 if (!info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
])
5203 err
= nla_parse(tb
, MAX_NL80211_WOWLAN_TRIG
,
5204 nla_data(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
5205 nla_len(info
->attrs
[NL80211_ATTR_WOWLAN_TRIGGERS
]),
5206 nl80211_wowlan_policy
);
5210 if (tb
[NL80211_WOWLAN_TRIG_ANY
]) {
5211 if (!(wowlan
->flags
& WIPHY_WOWLAN_ANY
))
5213 new_triggers
.any
= true;
5216 if (tb
[NL80211_WOWLAN_TRIG_DISCONNECT
]) {
5217 if (!(wowlan
->flags
& WIPHY_WOWLAN_DISCONNECT
))
5219 new_triggers
.disconnect
= true;
5222 if (tb
[NL80211_WOWLAN_TRIG_MAGIC_PKT
]) {
5223 if (!(wowlan
->flags
& WIPHY_WOWLAN_MAGIC_PKT
))
5225 new_triggers
.magic_pkt
= true;
5228 if (tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
]) {
5231 int rem
, pat_len
, mask_len
;
5232 struct nlattr
*pat_tb
[NUM_NL80211_WOWLAN_PKTPAT
];
5234 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
5237 if (n_patterns
> wowlan
->n_patterns
)
5240 new_triggers
.patterns
= kcalloc(n_patterns
,
5241 sizeof(new_triggers
.patterns
[0]),
5243 if (!new_triggers
.patterns
)
5246 new_triggers
.n_patterns
= n_patterns
;
5249 nla_for_each_nested(pat
, tb
[NL80211_WOWLAN_TRIG_PKT_PATTERN
],
5251 nla_parse(pat_tb
, MAX_NL80211_WOWLAN_PKTPAT
,
5252 nla_data(pat
), nla_len(pat
), NULL
);
5254 if (!pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
] ||
5255 !pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
])
5257 pat_len
= nla_len(pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
]);
5258 mask_len
= DIV_ROUND_UP(pat_len
, 8);
5259 if (nla_len(pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
]) !=
5262 if (pat_len
> wowlan
->pattern_max_len
||
5263 pat_len
< wowlan
->pattern_min_len
)
5266 new_triggers
.patterns
[i
].mask
=
5267 kmalloc(mask_len
+ pat_len
, GFP_KERNEL
);
5268 if (!new_triggers
.patterns
[i
].mask
) {
5272 new_triggers
.patterns
[i
].pattern
=
5273 new_triggers
.patterns
[i
].mask
+ mask_len
;
5274 memcpy(new_triggers
.patterns
[i
].mask
,
5275 nla_data(pat_tb
[NL80211_WOWLAN_PKTPAT_MASK
]),
5277 new_triggers
.patterns
[i
].pattern_len
= pat_len
;
5278 memcpy(new_triggers
.patterns
[i
].pattern
,
5279 nla_data(pat_tb
[NL80211_WOWLAN_PKTPAT_PATTERN
]),
5285 if (memcmp(&new_triggers
, &no_triggers
, sizeof(new_triggers
))) {
5286 struct cfg80211_wowlan
*ntrig
;
5287 ntrig
= kmemdup(&new_triggers
, sizeof(new_triggers
),
5293 cfg80211_rdev_free_wowlan(rdev
);
5294 rdev
->wowlan
= ntrig
;
5297 cfg80211_rdev_free_wowlan(rdev
);
5298 rdev
->wowlan
= NULL
;
5303 for (i
= 0; i
< new_triggers
.n_patterns
; i
++)
5304 kfree(new_triggers
.patterns
[i
].mask
);
5305 kfree(new_triggers
.patterns
);
5309 #define NL80211_FLAG_NEED_WIPHY 0x01
5310 #define NL80211_FLAG_NEED_NETDEV 0x02
5311 #define NL80211_FLAG_NEED_RTNL 0x04
5312 #define NL80211_FLAG_CHECK_NETDEV_UP 0x08
5313 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\
5314 NL80211_FLAG_CHECK_NETDEV_UP)
5316 static int nl80211_pre_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
5317 struct genl_info
*info
)
5319 struct cfg80211_registered_device
*rdev
;
5320 struct net_device
*dev
;
5322 bool rtnl
= ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
;
5327 if (ops
->internal_flags
& NL80211_FLAG_NEED_WIPHY
) {
5328 rdev
= cfg80211_get_dev_from_info(info
);
5332 return PTR_ERR(rdev
);
5334 info
->user_ptr
[0] = rdev
;
5335 } else if (ops
->internal_flags
& NL80211_FLAG_NEED_NETDEV
) {
5336 err
= get_rdev_dev_by_info_ifindex(info
, &rdev
, &dev
);
5342 if (ops
->internal_flags
& NL80211_FLAG_CHECK_NETDEV_UP
&&
5343 !netif_running(dev
)) {
5344 cfg80211_unlock_rdev(rdev
);
5350 info
->user_ptr
[0] = rdev
;
5351 info
->user_ptr
[1] = dev
;
5357 static void nl80211_post_doit(struct genl_ops
*ops
, struct sk_buff
*skb
,
5358 struct genl_info
*info
)
5360 if (info
->user_ptr
[0])
5361 cfg80211_unlock_rdev(info
->user_ptr
[0]);
5362 if (info
->user_ptr
[1])
5363 dev_put(info
->user_ptr
[1]);
5364 if (ops
->internal_flags
& NL80211_FLAG_NEED_RTNL
)
5368 static struct genl_ops nl80211_ops
[] = {
5370 .cmd
= NL80211_CMD_GET_WIPHY
,
5371 .doit
= nl80211_get_wiphy
,
5372 .dumpit
= nl80211_dump_wiphy
,
5373 .policy
= nl80211_policy
,
5374 /* can be retrieved by unprivileged users */
5375 .internal_flags
= NL80211_FLAG_NEED_WIPHY
,
5378 .cmd
= NL80211_CMD_SET_WIPHY
,
5379 .doit
= nl80211_set_wiphy
,
5380 .policy
= nl80211_policy
,
5381 .flags
= GENL_ADMIN_PERM
,
5382 .internal_flags
= NL80211_FLAG_NEED_RTNL
,
5385 .cmd
= NL80211_CMD_GET_INTERFACE
,
5386 .doit
= nl80211_get_interface
,
5387 .dumpit
= nl80211_dump_interface
,
5388 .policy
= nl80211_policy
,
5389 /* can be retrieved by unprivileged users */
5390 .internal_flags
= NL80211_FLAG_NEED_NETDEV
,
5393 .cmd
= NL80211_CMD_SET_INTERFACE
,
5394 .doit
= nl80211_set_interface
,
5395 .policy
= nl80211_policy
,
5396 .flags
= GENL_ADMIN_PERM
,
5397 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5398 NL80211_FLAG_NEED_RTNL
,
5401 .cmd
= NL80211_CMD_NEW_INTERFACE
,
5402 .doit
= nl80211_new_interface
,
5403 .policy
= nl80211_policy
,
5404 .flags
= GENL_ADMIN_PERM
,
5405 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
5406 NL80211_FLAG_NEED_RTNL
,
5409 .cmd
= NL80211_CMD_DEL_INTERFACE
,
5410 .doit
= nl80211_del_interface
,
5411 .policy
= nl80211_policy
,
5412 .flags
= GENL_ADMIN_PERM
,
5413 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5414 NL80211_FLAG_NEED_RTNL
,
5417 .cmd
= NL80211_CMD_GET_KEY
,
5418 .doit
= nl80211_get_key
,
5419 .policy
= nl80211_policy
,
5420 .flags
= GENL_ADMIN_PERM
,
5421 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5422 NL80211_FLAG_NEED_RTNL
,
5425 .cmd
= NL80211_CMD_SET_KEY
,
5426 .doit
= nl80211_set_key
,
5427 .policy
= nl80211_policy
,
5428 .flags
= GENL_ADMIN_PERM
,
5429 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5430 NL80211_FLAG_NEED_RTNL
,
5433 .cmd
= NL80211_CMD_NEW_KEY
,
5434 .doit
= nl80211_new_key
,
5435 .policy
= nl80211_policy
,
5436 .flags
= GENL_ADMIN_PERM
,
5437 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5438 NL80211_FLAG_NEED_RTNL
,
5441 .cmd
= NL80211_CMD_DEL_KEY
,
5442 .doit
= nl80211_del_key
,
5443 .policy
= nl80211_policy
,
5444 .flags
= GENL_ADMIN_PERM
,
5445 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5446 NL80211_FLAG_NEED_RTNL
,
5449 .cmd
= NL80211_CMD_SET_BEACON
,
5450 .policy
= nl80211_policy
,
5451 .flags
= GENL_ADMIN_PERM
,
5452 .doit
= nl80211_addset_beacon
,
5453 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5454 NL80211_FLAG_NEED_RTNL
,
5457 .cmd
= NL80211_CMD_NEW_BEACON
,
5458 .policy
= nl80211_policy
,
5459 .flags
= GENL_ADMIN_PERM
,
5460 .doit
= nl80211_addset_beacon
,
5461 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5462 NL80211_FLAG_NEED_RTNL
,
5465 .cmd
= NL80211_CMD_DEL_BEACON
,
5466 .policy
= nl80211_policy
,
5467 .flags
= GENL_ADMIN_PERM
,
5468 .doit
= nl80211_del_beacon
,
5469 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5470 NL80211_FLAG_NEED_RTNL
,
5473 .cmd
= NL80211_CMD_GET_STATION
,
5474 .doit
= nl80211_get_station
,
5475 .dumpit
= nl80211_dump_station
,
5476 .policy
= nl80211_policy
,
5477 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5478 NL80211_FLAG_NEED_RTNL
,
5481 .cmd
= NL80211_CMD_SET_STATION
,
5482 .doit
= nl80211_set_station
,
5483 .policy
= nl80211_policy
,
5484 .flags
= GENL_ADMIN_PERM
,
5485 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5486 NL80211_FLAG_NEED_RTNL
,
5489 .cmd
= NL80211_CMD_NEW_STATION
,
5490 .doit
= nl80211_new_station
,
5491 .policy
= nl80211_policy
,
5492 .flags
= GENL_ADMIN_PERM
,
5493 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5494 NL80211_FLAG_NEED_RTNL
,
5497 .cmd
= NL80211_CMD_DEL_STATION
,
5498 .doit
= nl80211_del_station
,
5499 .policy
= nl80211_policy
,
5500 .flags
= GENL_ADMIN_PERM
,
5501 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5502 NL80211_FLAG_NEED_RTNL
,
5505 .cmd
= NL80211_CMD_GET_MPATH
,
5506 .doit
= nl80211_get_mpath
,
5507 .dumpit
= nl80211_dump_mpath
,
5508 .policy
= nl80211_policy
,
5509 .flags
= GENL_ADMIN_PERM
,
5510 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5511 NL80211_FLAG_NEED_RTNL
,
5514 .cmd
= NL80211_CMD_SET_MPATH
,
5515 .doit
= nl80211_set_mpath
,
5516 .policy
= nl80211_policy
,
5517 .flags
= GENL_ADMIN_PERM
,
5518 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5519 NL80211_FLAG_NEED_RTNL
,
5522 .cmd
= NL80211_CMD_NEW_MPATH
,
5523 .doit
= nl80211_new_mpath
,
5524 .policy
= nl80211_policy
,
5525 .flags
= GENL_ADMIN_PERM
,
5526 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5527 NL80211_FLAG_NEED_RTNL
,
5530 .cmd
= NL80211_CMD_DEL_MPATH
,
5531 .doit
= nl80211_del_mpath
,
5532 .policy
= nl80211_policy
,
5533 .flags
= GENL_ADMIN_PERM
,
5534 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5535 NL80211_FLAG_NEED_RTNL
,
5538 .cmd
= NL80211_CMD_SET_BSS
,
5539 .doit
= nl80211_set_bss
,
5540 .policy
= nl80211_policy
,
5541 .flags
= GENL_ADMIN_PERM
,
5542 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5543 NL80211_FLAG_NEED_RTNL
,
5546 .cmd
= NL80211_CMD_GET_REG
,
5547 .doit
= nl80211_get_reg
,
5548 .policy
= nl80211_policy
,
5549 /* can be retrieved by unprivileged users */
5552 .cmd
= NL80211_CMD_SET_REG
,
5553 .doit
= nl80211_set_reg
,
5554 .policy
= nl80211_policy
,
5555 .flags
= GENL_ADMIN_PERM
,
5558 .cmd
= NL80211_CMD_REQ_SET_REG
,
5559 .doit
= nl80211_req_set_reg
,
5560 .policy
= nl80211_policy
,
5561 .flags
= GENL_ADMIN_PERM
,
5564 .cmd
= NL80211_CMD_GET_MESH_CONFIG
,
5565 .doit
= nl80211_get_mesh_config
,
5566 .policy
= nl80211_policy
,
5567 /* can be retrieved by unprivileged users */
5568 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5569 NL80211_FLAG_NEED_RTNL
,
5572 .cmd
= NL80211_CMD_SET_MESH_CONFIG
,
5573 .doit
= nl80211_update_mesh_config
,
5574 .policy
= nl80211_policy
,
5575 .flags
= GENL_ADMIN_PERM
,
5576 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5577 NL80211_FLAG_NEED_RTNL
,
5580 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
5581 .doit
= nl80211_trigger_scan
,
5582 .policy
= nl80211_policy
,
5583 .flags
= GENL_ADMIN_PERM
,
5584 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5585 NL80211_FLAG_NEED_RTNL
,
5588 .cmd
= NL80211_CMD_GET_SCAN
,
5589 .policy
= nl80211_policy
,
5590 .dumpit
= nl80211_dump_scan
,
5593 .cmd
= NL80211_CMD_START_SCHED_SCAN
,
5594 .doit
= nl80211_start_sched_scan
,
5595 .policy
= nl80211_policy
,
5596 .flags
= GENL_ADMIN_PERM
,
5597 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5598 NL80211_FLAG_NEED_RTNL
,
5601 .cmd
= NL80211_CMD_STOP_SCHED_SCAN
,
5602 .doit
= nl80211_stop_sched_scan
,
5603 .policy
= nl80211_policy
,
5604 .flags
= GENL_ADMIN_PERM
,
5605 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5606 NL80211_FLAG_NEED_RTNL
,
5609 .cmd
= NL80211_CMD_AUTHENTICATE
,
5610 .doit
= nl80211_authenticate
,
5611 .policy
= nl80211_policy
,
5612 .flags
= GENL_ADMIN_PERM
,
5613 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5614 NL80211_FLAG_NEED_RTNL
,
5617 .cmd
= NL80211_CMD_ASSOCIATE
,
5618 .doit
= nl80211_associate
,
5619 .policy
= nl80211_policy
,
5620 .flags
= GENL_ADMIN_PERM
,
5621 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5622 NL80211_FLAG_NEED_RTNL
,
5625 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
5626 .doit
= nl80211_deauthenticate
,
5627 .policy
= nl80211_policy
,
5628 .flags
= GENL_ADMIN_PERM
,
5629 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5630 NL80211_FLAG_NEED_RTNL
,
5633 .cmd
= NL80211_CMD_DISASSOCIATE
,
5634 .doit
= nl80211_disassociate
,
5635 .policy
= nl80211_policy
,
5636 .flags
= GENL_ADMIN_PERM
,
5637 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5638 NL80211_FLAG_NEED_RTNL
,
5641 .cmd
= NL80211_CMD_JOIN_IBSS
,
5642 .doit
= nl80211_join_ibss
,
5643 .policy
= nl80211_policy
,
5644 .flags
= GENL_ADMIN_PERM
,
5645 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5646 NL80211_FLAG_NEED_RTNL
,
5649 .cmd
= NL80211_CMD_LEAVE_IBSS
,
5650 .doit
= nl80211_leave_ibss
,
5651 .policy
= nl80211_policy
,
5652 .flags
= GENL_ADMIN_PERM
,
5653 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5654 NL80211_FLAG_NEED_RTNL
,
5656 #ifdef CONFIG_NL80211_TESTMODE
5658 .cmd
= NL80211_CMD_TESTMODE
,
5659 .doit
= nl80211_testmode_do
,
5660 .policy
= nl80211_policy
,
5661 .flags
= GENL_ADMIN_PERM
,
5662 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
5663 NL80211_FLAG_NEED_RTNL
,
5667 .cmd
= NL80211_CMD_CONNECT
,
5668 .doit
= nl80211_connect
,
5669 .policy
= nl80211_policy
,
5670 .flags
= GENL_ADMIN_PERM
,
5671 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5672 NL80211_FLAG_NEED_RTNL
,
5675 .cmd
= NL80211_CMD_DISCONNECT
,
5676 .doit
= nl80211_disconnect
,
5677 .policy
= nl80211_policy
,
5678 .flags
= GENL_ADMIN_PERM
,
5679 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5680 NL80211_FLAG_NEED_RTNL
,
5683 .cmd
= NL80211_CMD_SET_WIPHY_NETNS
,
5684 .doit
= nl80211_wiphy_netns
,
5685 .policy
= nl80211_policy
,
5686 .flags
= GENL_ADMIN_PERM
,
5687 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
5688 NL80211_FLAG_NEED_RTNL
,
5691 .cmd
= NL80211_CMD_GET_SURVEY
,
5692 .policy
= nl80211_policy
,
5693 .dumpit
= nl80211_dump_survey
,
5696 .cmd
= NL80211_CMD_SET_PMKSA
,
5697 .doit
= nl80211_setdel_pmksa
,
5698 .policy
= nl80211_policy
,
5699 .flags
= GENL_ADMIN_PERM
,
5700 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5701 NL80211_FLAG_NEED_RTNL
,
5704 .cmd
= NL80211_CMD_DEL_PMKSA
,
5705 .doit
= nl80211_setdel_pmksa
,
5706 .policy
= nl80211_policy
,
5707 .flags
= GENL_ADMIN_PERM
,
5708 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5709 NL80211_FLAG_NEED_RTNL
,
5712 .cmd
= NL80211_CMD_FLUSH_PMKSA
,
5713 .doit
= nl80211_flush_pmksa
,
5714 .policy
= nl80211_policy
,
5715 .flags
= GENL_ADMIN_PERM
,
5716 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5717 NL80211_FLAG_NEED_RTNL
,
5720 .cmd
= NL80211_CMD_REMAIN_ON_CHANNEL
,
5721 .doit
= nl80211_remain_on_channel
,
5722 .policy
= nl80211_policy
,
5723 .flags
= GENL_ADMIN_PERM
,
5724 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5725 NL80211_FLAG_NEED_RTNL
,
5728 .cmd
= NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
5729 .doit
= nl80211_cancel_remain_on_channel
,
5730 .policy
= nl80211_policy
,
5731 .flags
= GENL_ADMIN_PERM
,
5732 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5733 NL80211_FLAG_NEED_RTNL
,
5736 .cmd
= NL80211_CMD_SET_TX_BITRATE_MASK
,
5737 .doit
= nl80211_set_tx_bitrate_mask
,
5738 .policy
= nl80211_policy
,
5739 .flags
= GENL_ADMIN_PERM
,
5740 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5741 NL80211_FLAG_NEED_RTNL
,
5744 .cmd
= NL80211_CMD_REGISTER_FRAME
,
5745 .doit
= nl80211_register_mgmt
,
5746 .policy
= nl80211_policy
,
5747 .flags
= GENL_ADMIN_PERM
,
5748 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5749 NL80211_FLAG_NEED_RTNL
,
5752 .cmd
= NL80211_CMD_FRAME
,
5753 .doit
= nl80211_tx_mgmt
,
5754 .policy
= nl80211_policy
,
5755 .flags
= GENL_ADMIN_PERM
,
5756 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5757 NL80211_FLAG_NEED_RTNL
,
5760 .cmd
= NL80211_CMD_FRAME_WAIT_CANCEL
,
5761 .doit
= nl80211_tx_mgmt_cancel_wait
,
5762 .policy
= nl80211_policy
,
5763 .flags
= GENL_ADMIN_PERM
,
5764 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5765 NL80211_FLAG_NEED_RTNL
,
5768 .cmd
= NL80211_CMD_SET_POWER_SAVE
,
5769 .doit
= nl80211_set_power_save
,
5770 .policy
= nl80211_policy
,
5771 .flags
= GENL_ADMIN_PERM
,
5772 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5773 NL80211_FLAG_NEED_RTNL
,
5776 .cmd
= NL80211_CMD_GET_POWER_SAVE
,
5777 .doit
= nl80211_get_power_save
,
5778 .policy
= nl80211_policy
,
5779 /* can be retrieved by unprivileged users */
5780 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5781 NL80211_FLAG_NEED_RTNL
,
5784 .cmd
= NL80211_CMD_SET_CQM
,
5785 .doit
= nl80211_set_cqm
,
5786 .policy
= nl80211_policy
,
5787 .flags
= GENL_ADMIN_PERM
,
5788 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5789 NL80211_FLAG_NEED_RTNL
,
5792 .cmd
= NL80211_CMD_SET_CHANNEL
,
5793 .doit
= nl80211_set_channel
,
5794 .policy
= nl80211_policy
,
5795 .flags
= GENL_ADMIN_PERM
,
5796 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5797 NL80211_FLAG_NEED_RTNL
,
5800 .cmd
= NL80211_CMD_SET_WDS_PEER
,
5801 .doit
= nl80211_set_wds_peer
,
5802 .policy
= nl80211_policy
,
5803 .flags
= GENL_ADMIN_PERM
,
5804 .internal_flags
= NL80211_FLAG_NEED_NETDEV
|
5805 NL80211_FLAG_NEED_RTNL
,
5808 .cmd
= NL80211_CMD_JOIN_MESH
,
5809 .doit
= nl80211_join_mesh
,
5810 .policy
= nl80211_policy
,
5811 .flags
= GENL_ADMIN_PERM
,
5812 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5813 NL80211_FLAG_NEED_RTNL
,
5816 .cmd
= NL80211_CMD_LEAVE_MESH
,
5817 .doit
= nl80211_leave_mesh
,
5818 .policy
= nl80211_policy
,
5819 .flags
= GENL_ADMIN_PERM
,
5820 .internal_flags
= NL80211_FLAG_NEED_NETDEV_UP
|
5821 NL80211_FLAG_NEED_RTNL
,
5824 .cmd
= NL80211_CMD_GET_WOWLAN
,
5825 .doit
= nl80211_get_wowlan
,
5826 .policy
= nl80211_policy
,
5827 /* can be retrieved by unprivileged users */
5828 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
5829 NL80211_FLAG_NEED_RTNL
,
5832 .cmd
= NL80211_CMD_SET_WOWLAN
,
5833 .doit
= nl80211_set_wowlan
,
5834 .policy
= nl80211_policy
,
5835 .flags
= GENL_ADMIN_PERM
,
5836 .internal_flags
= NL80211_FLAG_NEED_WIPHY
|
5837 NL80211_FLAG_NEED_RTNL
,
5841 static struct genl_multicast_group nl80211_mlme_mcgrp
= {
5845 /* multicast groups */
5846 static struct genl_multicast_group nl80211_config_mcgrp
= {
5849 static struct genl_multicast_group nl80211_scan_mcgrp
= {
5852 static struct genl_multicast_group nl80211_regulatory_mcgrp
= {
5853 .name
= "regulatory",
5856 /* notification functions */
5858 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
5860 struct sk_buff
*msg
;
5862 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5866 if (nl80211_send_wiphy(msg
, 0, 0, 0, rdev
) < 0) {
5871 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5872 nl80211_config_mcgrp
.id
, GFP_KERNEL
);
5875 static int nl80211_add_scan_req(struct sk_buff
*msg
,
5876 struct cfg80211_registered_device
*rdev
)
5878 struct cfg80211_scan_request
*req
= rdev
->scan_req
;
5879 struct nlattr
*nest
;
5882 ASSERT_RDEV_LOCK(rdev
);
5887 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_SSIDS
);
5889 goto nla_put_failure
;
5890 for (i
= 0; i
< req
->n_ssids
; i
++)
5891 NLA_PUT(msg
, i
, req
->ssids
[i
].ssid_len
, req
->ssids
[i
].ssid
);
5892 nla_nest_end(msg
, nest
);
5894 nest
= nla_nest_start(msg
, NL80211_ATTR_SCAN_FREQUENCIES
);
5896 goto nla_put_failure
;
5897 for (i
= 0; i
< req
->n_channels
; i
++)
5898 NLA_PUT_U32(msg
, i
, req
->channels
[i
]->center_freq
);
5899 nla_nest_end(msg
, nest
);
5902 NLA_PUT(msg
, NL80211_ATTR_IE
, req
->ie_len
, req
->ie
);
5909 static int nl80211_send_scan_msg(struct sk_buff
*msg
,
5910 struct cfg80211_registered_device
*rdev
,
5911 struct net_device
*netdev
,
5912 u32 pid
, u32 seq
, int flags
,
5917 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, cmd
);
5921 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5922 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5924 /* ignore errors and send incomplete event anyway */
5925 nl80211_add_scan_req(msg
, rdev
);
5927 return genlmsg_end(msg
, hdr
);
5930 genlmsg_cancel(msg
, hdr
);
5935 nl80211_send_sched_scan_msg(struct sk_buff
*msg
,
5936 struct cfg80211_registered_device
*rdev
,
5937 struct net_device
*netdev
,
5938 u32 pid
, u32 seq
, int flags
, u32 cmd
)
5942 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, cmd
);
5946 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
5947 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
5949 return genlmsg_end(msg
, hdr
);
5952 genlmsg_cancel(msg
, hdr
);
5956 void nl80211_send_scan_start(struct cfg80211_registered_device
*rdev
,
5957 struct net_device
*netdev
)
5959 struct sk_buff
*msg
;
5961 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
5965 if (nl80211_send_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
5966 NL80211_CMD_TRIGGER_SCAN
) < 0) {
5971 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5972 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
5975 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
5976 struct net_device
*netdev
)
5978 struct sk_buff
*msg
;
5980 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
5984 if (nl80211_send_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
5985 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
5990 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
5991 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
5994 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
5995 struct net_device
*netdev
)
5997 struct sk_buff
*msg
;
5999 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6003 if (nl80211_send_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
6004 NL80211_CMD_SCAN_ABORTED
) < 0) {
6009 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6010 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
6013 void nl80211_send_sched_scan_results(struct cfg80211_registered_device
*rdev
,
6014 struct net_device
*netdev
)
6016 struct sk_buff
*msg
;
6018 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6022 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0,
6023 NL80211_CMD_SCHED_SCAN_RESULTS
) < 0) {
6028 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6029 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
6032 void nl80211_send_sched_scan(struct cfg80211_registered_device
*rdev
,
6033 struct net_device
*netdev
, u32 cmd
)
6035 struct sk_buff
*msg
;
6037 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
6041 if (nl80211_send_sched_scan_msg(msg
, rdev
, netdev
, 0, 0, 0, cmd
) < 0) {
6046 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6047 nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
6051 * This can happen on global regulatory changes or device specific settings
6052 * based on custom world regulatory domains.
6054 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
6056 struct sk_buff
*msg
;
6059 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_KERNEL
);
6063 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
6069 /* Userspace can always count this one always being set */
6070 NLA_PUT_U8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
);
6072 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0')
6073 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
6074 NL80211_REGDOM_TYPE_WORLD
);
6075 else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9')
6076 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
6077 NL80211_REGDOM_TYPE_CUSTOM_WORLD
);
6078 else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
6080 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
6081 NL80211_REGDOM_TYPE_INTERSECTION
);
6083 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
6084 NL80211_REGDOM_TYPE_COUNTRY
);
6085 NLA_PUT_STRING(msg
, NL80211_ATTR_REG_ALPHA2
, request
->alpha2
);
6088 if (wiphy_idx_valid(request
->wiphy_idx
))
6089 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
);
6091 if (genlmsg_end(msg
, hdr
) < 0) {
6097 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
6104 genlmsg_cancel(msg
, hdr
);
6108 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
6109 struct net_device
*netdev
,
6110 const u8
*buf
, size_t len
,
6111 enum nl80211_commands cmd
, gfp_t gfp
)
6113 struct sk_buff
*msg
;
6116 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
6120 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
6126 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6127 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6128 NLA_PUT(msg
, NL80211_ATTR_FRAME
, len
, buf
);
6130 if (genlmsg_end(msg
, hdr
) < 0) {
6135 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6136 nl80211_mlme_mcgrp
.id
, gfp
);
6140 genlmsg_cancel(msg
, hdr
);
6144 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
6145 struct net_device
*netdev
, const u8
*buf
,
6146 size_t len
, gfp_t gfp
)
6148 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
6149 NL80211_CMD_AUTHENTICATE
, gfp
);
6152 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
6153 struct net_device
*netdev
, const u8
*buf
,
6154 size_t len
, gfp_t gfp
)
6156 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
6157 NL80211_CMD_ASSOCIATE
, gfp
);
6160 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
6161 struct net_device
*netdev
, const u8
*buf
,
6162 size_t len
, gfp_t gfp
)
6164 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
6165 NL80211_CMD_DEAUTHENTICATE
, gfp
);
6168 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
6169 struct net_device
*netdev
, const u8
*buf
,
6170 size_t len
, gfp_t gfp
)
6172 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
6173 NL80211_CMD_DISASSOCIATE
, gfp
);
6176 void nl80211_send_unprot_deauth(struct cfg80211_registered_device
*rdev
,
6177 struct net_device
*netdev
, const u8
*buf
,
6178 size_t len
, gfp_t gfp
)
6180 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
6181 NL80211_CMD_UNPROT_DEAUTHENTICATE
, gfp
);
6184 void nl80211_send_unprot_disassoc(struct cfg80211_registered_device
*rdev
,
6185 struct net_device
*netdev
, const u8
*buf
,
6186 size_t len
, gfp_t gfp
)
6188 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
6189 NL80211_CMD_UNPROT_DISASSOCIATE
, gfp
);
6192 static void nl80211_send_mlme_timeout(struct cfg80211_registered_device
*rdev
,
6193 struct net_device
*netdev
, int cmd
,
6194 const u8
*addr
, gfp_t gfp
)
6196 struct sk_buff
*msg
;
6199 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
6203 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
6209 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6210 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6211 NLA_PUT_FLAG(msg
, NL80211_ATTR_TIMED_OUT
);
6212 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
);
6214 if (genlmsg_end(msg
, hdr
) < 0) {
6219 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6220 nl80211_mlme_mcgrp
.id
, gfp
);
6224 genlmsg_cancel(msg
, hdr
);
6228 void nl80211_send_auth_timeout(struct cfg80211_registered_device
*rdev
,
6229 struct net_device
*netdev
, const u8
*addr
,
6232 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_AUTHENTICATE
,
6236 void nl80211_send_assoc_timeout(struct cfg80211_registered_device
*rdev
,
6237 struct net_device
*netdev
, const u8
*addr
,
6240 nl80211_send_mlme_timeout(rdev
, netdev
, NL80211_CMD_ASSOCIATE
,
6244 void nl80211_send_connect_result(struct cfg80211_registered_device
*rdev
,
6245 struct net_device
*netdev
, const u8
*bssid
,
6246 const u8
*req_ie
, size_t req_ie_len
,
6247 const u8
*resp_ie
, size_t resp_ie_len
,
6248 u16 status
, gfp_t gfp
)
6250 struct sk_buff
*msg
;
6253 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
6257 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_CONNECT
);
6263 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6264 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6266 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
);
6267 NLA_PUT_U16(msg
, NL80211_ATTR_STATUS_CODE
, status
);
6269 NLA_PUT(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
);
6271 NLA_PUT(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
);
6273 if (genlmsg_end(msg
, hdr
) < 0) {
6278 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6279 nl80211_mlme_mcgrp
.id
, gfp
);
6283 genlmsg_cancel(msg
, hdr
);
6288 void nl80211_send_roamed(struct cfg80211_registered_device
*rdev
,
6289 struct net_device
*netdev
, const u8
*bssid
,
6290 const u8
*req_ie
, size_t req_ie_len
,
6291 const u8
*resp_ie
, size_t resp_ie_len
, gfp_t gfp
)
6293 struct sk_buff
*msg
;
6296 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
6300 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_ROAM
);
6306 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6307 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6308 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
);
6310 NLA_PUT(msg
, NL80211_ATTR_REQ_IE
, req_ie_len
, req_ie
);
6312 NLA_PUT(msg
, NL80211_ATTR_RESP_IE
, resp_ie_len
, resp_ie
);
6314 if (genlmsg_end(msg
, hdr
) < 0) {
6319 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6320 nl80211_mlme_mcgrp
.id
, gfp
);
6324 genlmsg_cancel(msg
, hdr
);
6329 void nl80211_send_disconnected(struct cfg80211_registered_device
*rdev
,
6330 struct net_device
*netdev
, u16 reason
,
6331 const u8
*ie
, size_t ie_len
, bool from_ap
)
6333 struct sk_buff
*msg
;
6336 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
6340 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DISCONNECT
);
6346 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6347 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6348 if (from_ap
&& reason
)
6349 NLA_PUT_U16(msg
, NL80211_ATTR_REASON_CODE
, reason
);
6351 NLA_PUT_FLAG(msg
, NL80211_ATTR_DISCONNECTED_BY_AP
);
6353 NLA_PUT(msg
, NL80211_ATTR_IE
, ie_len
, ie
);
6355 if (genlmsg_end(msg
, hdr
) < 0) {
6360 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6361 nl80211_mlme_mcgrp
.id
, GFP_KERNEL
);
6365 genlmsg_cancel(msg
, hdr
);
6370 void nl80211_send_ibss_bssid(struct cfg80211_registered_device
*rdev
,
6371 struct net_device
*netdev
, const u8
*bssid
,
6374 struct sk_buff
*msg
;
6377 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
6381 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_JOIN_IBSS
);
6387 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6388 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6389 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, bssid
);
6391 if (genlmsg_end(msg
, hdr
) < 0) {
6396 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6397 nl80211_mlme_mcgrp
.id
, gfp
);
6401 genlmsg_cancel(msg
, hdr
);
6405 void nl80211_send_new_peer_candidate(struct cfg80211_registered_device
*rdev
,
6406 struct net_device
*netdev
,
6407 const u8
*macaddr
, const u8
* ie
, u8 ie_len
,
6410 struct sk_buff
*msg
;
6413 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
6417 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE
);
6423 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6424 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6425 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, macaddr
);
6427 NLA_PUT(msg
, NL80211_ATTR_IE
, ie_len
, ie
);
6429 if (genlmsg_end(msg
, hdr
) < 0) {
6434 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6435 nl80211_mlme_mcgrp
.id
, gfp
);
6439 genlmsg_cancel(msg
, hdr
);
6443 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
6444 struct net_device
*netdev
, const u8
*addr
,
6445 enum nl80211_key_type key_type
, int key_id
,
6446 const u8
*tsc
, gfp_t gfp
)
6448 struct sk_buff
*msg
;
6451 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
6455 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
6461 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6462 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6464 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
);
6465 NLA_PUT_U32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
);
6466 NLA_PUT_U8(msg
, NL80211_ATTR_KEY_IDX
, key_id
);
6468 NLA_PUT(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
);
6470 if (genlmsg_end(msg
, hdr
) < 0) {
6475 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6476 nl80211_mlme_mcgrp
.id
, gfp
);
6480 genlmsg_cancel(msg
, hdr
);
6484 void nl80211_send_beacon_hint_event(struct wiphy
*wiphy
,
6485 struct ieee80211_channel
*channel_before
,
6486 struct ieee80211_channel
*channel_after
)
6488 struct sk_buff
*msg
;
6490 struct nlattr
*nl_freq
;
6492 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, GFP_ATOMIC
);
6496 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT
);
6503 * Since we are applying the beacon hint to a wiphy we know its
6504 * wiphy_idx is valid
6506 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, get_wiphy_idx(wiphy
));
6509 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_BEFORE
);
6511 goto nla_put_failure
;
6512 if (nl80211_msg_put_channel(msg
, channel_before
))
6513 goto nla_put_failure
;
6514 nla_nest_end(msg
, nl_freq
);
6517 nl_freq
= nla_nest_start(msg
, NL80211_ATTR_FREQ_AFTER
);
6519 goto nla_put_failure
;
6520 if (nl80211_msg_put_channel(msg
, channel_after
))
6521 goto nla_put_failure
;
6522 nla_nest_end(msg
, nl_freq
);
6524 if (genlmsg_end(msg
, hdr
) < 0) {
6530 genlmsg_multicast_allns(msg
, 0, nl80211_regulatory_mcgrp
.id
,
6537 genlmsg_cancel(msg
, hdr
);
6541 static void nl80211_send_remain_on_chan_event(
6542 int cmd
, struct cfg80211_registered_device
*rdev
,
6543 struct net_device
*netdev
, u64 cookie
,
6544 struct ieee80211_channel
*chan
,
6545 enum nl80211_channel_type channel_type
,
6546 unsigned int duration
, gfp_t gfp
)
6548 struct sk_buff
*msg
;
6551 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
6555 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
6561 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6562 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6563 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_FREQ
, chan
->center_freq
);
6564 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_CHANNEL_TYPE
, channel_type
);
6565 NLA_PUT_U64(msg
, NL80211_ATTR_COOKIE
, cookie
);
6567 if (cmd
== NL80211_CMD_REMAIN_ON_CHANNEL
)
6568 NLA_PUT_U32(msg
, NL80211_ATTR_DURATION
, duration
);
6570 if (genlmsg_end(msg
, hdr
) < 0) {
6575 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6576 nl80211_mlme_mcgrp
.id
, gfp
);
6580 genlmsg_cancel(msg
, hdr
);
6584 void nl80211_send_remain_on_channel(struct cfg80211_registered_device
*rdev
,
6585 struct net_device
*netdev
, u64 cookie
,
6586 struct ieee80211_channel
*chan
,
6587 enum nl80211_channel_type channel_type
,
6588 unsigned int duration
, gfp_t gfp
)
6590 nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL
,
6591 rdev
, netdev
, cookie
, chan
,
6592 channel_type
, duration
, gfp
);
6595 void nl80211_send_remain_on_channel_cancel(
6596 struct cfg80211_registered_device
*rdev
, struct net_device
*netdev
,
6597 u64 cookie
, struct ieee80211_channel
*chan
,
6598 enum nl80211_channel_type channel_type
, gfp_t gfp
)
6600 nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL
,
6601 rdev
, netdev
, cookie
, chan
,
6602 channel_type
, 0, gfp
);
6605 void nl80211_send_sta_event(struct cfg80211_registered_device
*rdev
,
6606 struct net_device
*dev
, const u8
*mac_addr
,
6607 struct station_info
*sinfo
, gfp_t gfp
)
6609 struct sk_buff
*msg
;
6611 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
6615 if (nl80211_send_station(msg
, 0, 0, 0, dev
, mac_addr
, sinfo
) < 0) {
6620 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6621 nl80211_mlme_mcgrp
.id
, gfp
);
6624 void nl80211_send_sta_del_event(struct cfg80211_registered_device
*rdev
,
6625 struct net_device
*dev
, const u8
*mac_addr
,
6628 struct sk_buff
*msg
;
6631 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
6635 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_DEL_STATION
);
6641 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
6642 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
);
6644 if (genlmsg_end(msg
, hdr
) < 0) {
6649 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6650 nl80211_mlme_mcgrp
.id
, gfp
);
6654 genlmsg_cancel(msg
, hdr
);
6658 int nl80211_send_mgmt(struct cfg80211_registered_device
*rdev
,
6659 struct net_device
*netdev
, u32 nlpid
,
6660 int freq
, const u8
*buf
, size_t len
, gfp_t gfp
)
6662 struct sk_buff
*msg
;
6666 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
6670 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME
);
6676 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6677 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6678 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY_FREQ
, freq
);
6679 NLA_PUT(msg
, NL80211_ATTR_FRAME
, len
, buf
);
6681 err
= genlmsg_end(msg
, hdr
);
6687 err
= genlmsg_unicast(wiphy_net(&rdev
->wiphy
), msg
, nlpid
);
6693 genlmsg_cancel(msg
, hdr
);
6698 void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device
*rdev
,
6699 struct net_device
*netdev
, u64 cookie
,
6700 const u8
*buf
, size_t len
, bool ack
,
6703 struct sk_buff
*msg
;
6706 msg
= nlmsg_new(NLMSG_DEFAULT_SIZE
, gfp
);
6710 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS
);
6716 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6717 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6718 NLA_PUT(msg
, NL80211_ATTR_FRAME
, len
, buf
);
6719 NLA_PUT_U64(msg
, NL80211_ATTR_COOKIE
, cookie
);
6721 NLA_PUT_FLAG(msg
, NL80211_ATTR_ACK
);
6723 if (genlmsg_end(msg
, hdr
) < 0) {
6728 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, gfp
);
6732 genlmsg_cancel(msg
, hdr
);
6737 nl80211_send_cqm_rssi_notify(struct cfg80211_registered_device
*rdev
,
6738 struct net_device
*netdev
,
6739 enum nl80211_cqm_rssi_threshold_event rssi_event
,
6742 struct sk_buff
*msg
;
6743 struct nlattr
*pinfoattr
;
6746 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
6750 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
6756 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6757 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6759 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
6761 goto nla_put_failure
;
6763 NLA_PUT_U32(msg
, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT
,
6766 nla_nest_end(msg
, pinfoattr
);
6768 if (genlmsg_end(msg
, hdr
) < 0) {
6773 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6774 nl80211_mlme_mcgrp
.id
, gfp
);
6778 genlmsg_cancel(msg
, hdr
);
6783 nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device
*rdev
,
6784 struct net_device
*netdev
, const u8
*peer
,
6785 u32 num_packets
, gfp_t gfp
)
6787 struct sk_buff
*msg
;
6788 struct nlattr
*pinfoattr
;
6791 msg
= nlmsg_new(NLMSG_GOODSIZE
, gfp
);
6795 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_NOTIFY_CQM
);
6801 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
6802 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
6803 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, peer
);
6805 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_CQM
);
6807 goto nla_put_failure
;
6809 NLA_PUT_U32(msg
, NL80211_ATTR_CQM_PKT_LOSS_EVENT
, num_packets
);
6811 nla_nest_end(msg
, pinfoattr
);
6813 if (genlmsg_end(msg
, hdr
) < 0) {
6818 genlmsg_multicast_netns(wiphy_net(&rdev
->wiphy
), msg
, 0,
6819 nl80211_mlme_mcgrp
.id
, gfp
);
6823 genlmsg_cancel(msg
, hdr
);
6827 static int nl80211_netlink_notify(struct notifier_block
* nb
,
6828 unsigned long state
,
6831 struct netlink_notify
*notify
= _notify
;
6832 struct cfg80211_registered_device
*rdev
;
6833 struct wireless_dev
*wdev
;
6835 if (state
!= NETLINK_URELEASE
)
6840 list_for_each_entry_rcu(rdev
, &cfg80211_rdev_list
, list
)
6841 list_for_each_entry_rcu(wdev
, &rdev
->netdev_list
, list
)
6842 cfg80211_mlme_unregister_socket(wdev
, notify
->pid
);
6849 static struct notifier_block nl80211_netlink_notifier
= {
6850 .notifier_call
= nl80211_netlink_notify
,
6853 /* initialisation/exit functions */
6855 int nl80211_init(void)
6859 err
= genl_register_family_with_ops(&nl80211_fam
,
6860 nl80211_ops
, ARRAY_SIZE(nl80211_ops
));
6864 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_config_mcgrp
);
6868 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_scan_mcgrp
);
6872 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_regulatory_mcgrp
);
6876 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_mlme_mcgrp
);
6880 #ifdef CONFIG_NL80211_TESTMODE
6881 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_testmode_mcgrp
);
6886 err
= netlink_register_notifier(&nl80211_netlink_notifier
);
6892 genl_unregister_family(&nl80211_fam
);
6896 void nl80211_exit(void)
6898 netlink_unregister_notifier(&nl80211_netlink_notifier
);
6899 genl_unregister_family(&nl80211_fam
);