2 * This is the new netlink-based wireless configuration interface.
4 * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
8 #include <linux/module.h>
10 #include <linux/list.h>
11 #include <linux/if_ether.h>
12 #include <linux/ieee80211.h>
13 #include <linux/nl80211.h>
14 #include <linux/rtnetlink.h>
15 #include <linux/netlink.h>
16 #include <linux/etherdevice.h>
17 #include <net/genetlink.h>
18 #include <net/cfg80211.h>
23 /* the netlink family */
24 static struct genl_family nl80211_fam
= {
25 .id
= GENL_ID_GENERATE
, /* don't bother with a hardcoded ID */
26 .name
= "nl80211", /* have users key off the name instead */
27 .hdrsize
= 0, /* no private header */
28 .version
= 1, /* no particular meaning now */
29 .maxattr
= NL80211_ATTR_MAX
,
32 /* internal helper: get drv and dev */
33 static int get_drv_dev_by_info_ifindex(struct nlattr
**attrs
,
34 struct cfg80211_registered_device
**drv
,
35 struct net_device
**dev
)
39 if (!attrs
[NL80211_ATTR_IFINDEX
])
42 ifindex
= nla_get_u32(attrs
[NL80211_ATTR_IFINDEX
]);
43 *dev
= dev_get_by_index(&init_net
, ifindex
);
47 *drv
= cfg80211_get_dev_from_ifindex(ifindex
);
56 /* policy for the attributes */
57 static struct nla_policy nl80211_policy
[NL80211_ATTR_MAX
+1] __read_mostly
= {
58 [NL80211_ATTR_WIPHY
] = { .type
= NLA_U32
},
59 [NL80211_ATTR_WIPHY_NAME
] = { .type
= NLA_NUL_STRING
,
60 .len
= BUS_ID_SIZE
-1 },
61 [NL80211_ATTR_WIPHY_TXQ_PARAMS
] = { .type
= NLA_NESTED
},
62 [NL80211_ATTR_WIPHY_FREQ
] = { .type
= NLA_U32
},
63 [NL80211_ATTR_WIPHY_CHANNEL_TYPE
] = { .type
= NLA_U32
},
65 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
66 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
67 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
69 [NL80211_ATTR_MAC
] = { .type
= NLA_BINARY
, .len
= ETH_ALEN
},
71 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
72 .len
= WLAN_MAX_KEY_LEN
},
73 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
74 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
75 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
77 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
78 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
79 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
80 .len
= IEEE80211_MAX_DATA_LEN
},
81 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
82 .len
= IEEE80211_MAX_DATA_LEN
},
83 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
84 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
85 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
86 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
87 .len
= NL80211_MAX_SUPP_RATES
},
88 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
89 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
90 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
91 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
92 .len
= IEEE80211_MAX_MESH_ID_LEN
},
93 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
95 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
96 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
98 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
99 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
100 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
101 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
102 .len
= NL80211_MAX_SUPP_RATES
},
104 [NL80211_ATTR_MESH_PARAMS
] = { .type
= NLA_NESTED
},
106 [NL80211_ATTR_HT_CAPABILITY
] = { .type
= NLA_BINARY
,
107 .len
= NL80211_HT_CAPABILITY_LEN
},
109 [NL80211_ATTR_MGMT_SUBTYPE
] = { .type
= NLA_U8
},
110 [NL80211_ATTR_IE
] = { .type
= NLA_BINARY
,
111 .len
= IEEE80211_MAX_DATA_LEN
},
112 [NL80211_ATTR_SCAN_FREQUENCIES
] = { .type
= NLA_NESTED
},
113 [NL80211_ATTR_SCAN_SSIDS
] = { .type
= NLA_NESTED
},
115 [NL80211_ATTR_SSID
] = { .type
= NLA_BINARY
,
116 .len
= IEEE80211_MAX_SSID_LEN
},
117 [NL80211_ATTR_AUTH_TYPE
] = { .type
= NLA_U32
},
118 [NL80211_ATTR_REASON_CODE
] = { .type
= NLA_U16
},
122 static bool is_valid_ie_attr(const struct nlattr
*attr
)
130 pos
= nla_data(attr
);
151 /* message building helper */
152 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 pid
, u32 seq
,
155 /* since there is no private header just add the generic one */
156 return genlmsg_put(skb
, pid
, seq
, &nl80211_fam
, flags
, cmd
);
159 /* netlink command implementations */
161 static int nl80211_send_wiphy(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
162 struct cfg80211_registered_device
*dev
)
165 struct nlattr
*nl_bands
, *nl_band
;
166 struct nlattr
*nl_freqs
, *nl_freq
;
167 struct nlattr
*nl_rates
, *nl_rate
;
168 struct nlattr
*nl_modes
;
169 struct nlattr
*nl_cmds
;
170 enum ieee80211_band band
;
171 struct ieee80211_channel
*chan
;
172 struct ieee80211_rate
*rate
;
174 u16 ifmodes
= dev
->wiphy
.interface_modes
;
176 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_WIPHY
);
180 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, dev
->wiphy_idx
);
181 NLA_PUT_STRING(msg
, NL80211_ATTR_WIPHY_NAME
, wiphy_name(&dev
->wiphy
));
182 NLA_PUT_U8(msg
, NL80211_ATTR_MAX_NUM_SCAN_SSIDS
,
183 dev
->wiphy
.max_scan_ssids
);
184 NLA_PUT_U16(msg
, NL80211_ATTR_MAX_SCAN_IE_LEN
,
185 dev
->wiphy
.max_scan_ie_len
);
187 nl_modes
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
);
189 goto nla_put_failure
;
194 NLA_PUT_FLAG(msg
, i
);
199 nla_nest_end(msg
, nl_modes
);
201 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
203 goto nla_put_failure
;
205 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
206 if (!dev
->wiphy
.bands
[band
])
209 nl_band
= nla_nest_start(msg
, band
);
211 goto nla_put_failure
;
214 if (dev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
) {
215 NLA_PUT(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
216 sizeof(dev
->wiphy
.bands
[band
]->ht_cap
.mcs
),
217 &dev
->wiphy
.bands
[band
]->ht_cap
.mcs
);
218 NLA_PUT_U16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
219 dev
->wiphy
.bands
[band
]->ht_cap
.cap
);
220 NLA_PUT_U8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
221 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_factor
);
222 NLA_PUT_U8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
223 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_density
);
226 /* add frequencies */
227 nl_freqs
= nla_nest_start(msg
, NL80211_BAND_ATTR_FREQS
);
229 goto nla_put_failure
;
231 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_channels
; i
++) {
232 nl_freq
= nla_nest_start(msg
, i
);
234 goto nla_put_failure
;
236 chan
= &dev
->wiphy
.bands
[band
]->channels
[i
];
237 NLA_PUT_U32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
240 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
241 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_DISABLED
);
242 if (chan
->flags
& IEEE80211_CHAN_PASSIVE_SCAN
)
243 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
);
244 if (chan
->flags
& IEEE80211_CHAN_NO_IBSS
)
245 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_NO_IBSS
);
246 if (chan
->flags
& IEEE80211_CHAN_RADAR
)
247 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_RADAR
);
249 NLA_PUT_U32(msg
, NL80211_FREQUENCY_ATTR_MAX_TX_POWER
,
250 DBM_TO_MBM(chan
->max_power
));
252 nla_nest_end(msg
, nl_freq
);
255 nla_nest_end(msg
, nl_freqs
);
258 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
260 goto nla_put_failure
;
262 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_bitrates
; i
++) {
263 nl_rate
= nla_nest_start(msg
, i
);
265 goto nla_put_failure
;
267 rate
= &dev
->wiphy
.bands
[band
]->bitrates
[i
];
268 NLA_PUT_U32(msg
, NL80211_BITRATE_ATTR_RATE
,
270 if (rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
)
272 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
);
274 nla_nest_end(msg
, nl_rate
);
277 nla_nest_end(msg
, nl_rates
);
279 nla_nest_end(msg
, nl_band
);
281 nla_nest_end(msg
, nl_bands
);
283 nl_cmds
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_COMMANDS
);
285 goto nla_put_failure
;
290 if (dev->ops->op) { \
292 NLA_PUT_U32(msg, i, NL80211_CMD_ ## n); \
296 CMD(add_virtual_intf
, NEW_INTERFACE
);
297 CMD(change_virtual_intf
, SET_INTERFACE
);
298 CMD(add_key
, NEW_KEY
);
299 CMD(add_beacon
, NEW_BEACON
);
300 CMD(add_station
, NEW_STATION
);
301 CMD(add_mpath
, NEW_MPATH
);
302 CMD(set_mesh_params
, SET_MESH_PARAMS
);
303 CMD(change_bss
, SET_BSS
);
304 CMD(auth
, AUTHENTICATE
);
305 CMD(assoc
, ASSOCIATE
);
306 CMD(deauth
, DEAUTHENTICATE
);
307 CMD(disassoc
, DISASSOCIATE
);
310 nla_nest_end(msg
, nl_cmds
);
312 return genlmsg_end(msg
, hdr
);
315 genlmsg_cancel(msg
, hdr
);
319 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
322 int start
= cb
->args
[0];
323 struct cfg80211_registered_device
*dev
;
325 mutex_lock(&cfg80211_mutex
);
326 list_for_each_entry(dev
, &cfg80211_drv_list
, list
) {
329 if (nl80211_send_wiphy(skb
, NETLINK_CB(cb
->skb
).pid
,
330 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
336 mutex_unlock(&cfg80211_mutex
);
343 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
346 struct cfg80211_registered_device
*dev
;
348 dev
= cfg80211_get_dev_from_info(info
);
352 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
356 if (nl80211_send_wiphy(msg
, info
->snd_pid
, info
->snd_seq
, 0, dev
) < 0)
359 cfg80211_put_dev(dev
);
361 return genlmsg_unicast(msg
, info
->snd_pid
);
366 cfg80211_put_dev(dev
);
370 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
371 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
372 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
373 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
374 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
375 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
378 static int parse_txq_params(struct nlattr
*tb
[],
379 struct ieee80211_txq_params
*txq_params
)
381 if (!tb
[NL80211_TXQ_ATTR_QUEUE
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
382 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
383 !tb
[NL80211_TXQ_ATTR_AIFS
])
386 txq_params
->queue
= nla_get_u8(tb
[NL80211_TXQ_ATTR_QUEUE
]);
387 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
388 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
389 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
390 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
395 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
397 struct cfg80211_registered_device
*rdev
;
398 int result
= 0, rem_txq_params
= 0;
399 struct nlattr
*nl_txq_params
;
403 mutex_lock(&cfg80211_mutex
);
405 rdev
= __cfg80211_drv_from_info(info
);
407 result
= PTR_ERR(rdev
);
411 mutex_lock(&rdev
->mtx
);
413 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
])
414 result
= cfg80211_dev_rename(
415 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
417 mutex_unlock(&cfg80211_mutex
);
422 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
423 struct ieee80211_txq_params txq_params
;
424 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
426 if (!rdev
->ops
->set_txq_params
) {
427 result
= -EOPNOTSUPP
;
431 nla_for_each_nested(nl_txq_params
,
432 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
434 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
435 nla_data(nl_txq_params
),
436 nla_len(nl_txq_params
),
438 result
= parse_txq_params(tb
, &txq_params
);
442 result
= rdev
->ops
->set_txq_params(&rdev
->wiphy
,
449 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
450 enum nl80211_channel_type channel_type
= NL80211_CHAN_NO_HT
;
451 struct ieee80211_channel
*chan
;
452 struct ieee80211_sta_ht_cap
*ht_cap
;
455 if (!rdev
->ops
->set_channel
) {
456 result
= -EOPNOTSUPP
;
462 if (info
->attrs
[NL80211_ATTR_WIPHY_CHANNEL_TYPE
]) {
463 channel_type
= nla_get_u32(info
->attrs
[
464 NL80211_ATTR_WIPHY_CHANNEL_TYPE
]);
465 if (channel_type
!= NL80211_CHAN_NO_HT
&&
466 channel_type
!= NL80211_CHAN_HT20
&&
467 channel_type
!= NL80211_CHAN_HT40PLUS
&&
468 channel_type
!= NL80211_CHAN_HT40MINUS
)
472 freq
= nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]);
473 chan
= ieee80211_get_channel(&rdev
->wiphy
, freq
);
475 /* Primary channel not allowed */
476 if (!chan
|| chan
->flags
& IEEE80211_CHAN_DISABLED
)
479 if (channel_type
== NL80211_CHAN_HT40MINUS
)
480 sec_freq
= freq
- 20;
481 else if (channel_type
== NL80211_CHAN_HT40PLUS
)
482 sec_freq
= freq
+ 20;
486 ht_cap
= &rdev
->wiphy
.bands
[chan
->band
]->ht_cap
;
488 /* no HT capabilities */
489 if (channel_type
!= NL80211_CHAN_NO_HT
&&
490 !ht_cap
->ht_supported
)
494 struct ieee80211_channel
*schan
;
496 /* no 40 MHz capabilities */
497 if (!(ht_cap
->cap
& IEEE80211_HT_CAP_SUP_WIDTH_20_40
) ||
498 (ht_cap
->cap
& IEEE80211_HT_CAP_40MHZ_INTOLERANT
))
501 schan
= ieee80211_get_channel(&rdev
->wiphy
, sec_freq
);
503 /* Secondary channel not allowed */
504 if (!schan
|| schan
->flags
& IEEE80211_CHAN_DISABLED
)
508 result
= rdev
->ops
->set_channel(&rdev
->wiphy
, chan
,
516 mutex_unlock(&rdev
->mtx
);
523 static int nl80211_send_iface(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
524 struct net_device
*dev
)
528 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
532 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
533 NLA_PUT_STRING(msg
, NL80211_ATTR_IFNAME
, dev
->name
);
534 NLA_PUT_U32(msg
, NL80211_ATTR_IFTYPE
, dev
->ieee80211_ptr
->iftype
);
535 return genlmsg_end(msg
, hdr
);
538 genlmsg_cancel(msg
, hdr
);
542 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
546 int wp_start
= cb
->args
[0];
547 int if_start
= cb
->args
[1];
548 struct cfg80211_registered_device
*dev
;
549 struct wireless_dev
*wdev
;
551 mutex_lock(&cfg80211_mutex
);
552 list_for_each_entry(dev
, &cfg80211_drv_list
, list
) {
553 if (wp_idx
< wp_start
) {
559 mutex_lock(&dev
->devlist_mtx
);
560 list_for_each_entry(wdev
, &dev
->netdev_list
, list
) {
561 if (if_idx
< if_start
) {
565 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).pid
,
566 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
568 mutex_unlock(&dev
->devlist_mtx
);
573 mutex_unlock(&dev
->devlist_mtx
);
578 mutex_unlock(&cfg80211_mutex
);
580 cb
->args
[0] = wp_idx
;
581 cb
->args
[1] = if_idx
;
586 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
589 struct cfg80211_registered_device
*dev
;
590 struct net_device
*netdev
;
593 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &dev
, &netdev
);
597 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
601 if (nl80211_send_iface(msg
, info
->snd_pid
, info
->snd_seq
, 0, netdev
) < 0)
605 cfg80211_put_dev(dev
);
607 return genlmsg_unicast(msg
, info
->snd_pid
);
613 cfg80211_put_dev(dev
);
617 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
618 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
619 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
620 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
621 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
622 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
625 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
627 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
635 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
636 nla
, mntr_flags_policy
))
639 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
641 *mntrflags
|= (1<<flag
);
646 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
648 struct cfg80211_registered_device
*drv
;
649 struct vif_params params
;
651 enum nl80211_iftype type
;
652 struct net_device
*dev
;
653 u32 _flags
, *flags
= NULL
;
656 memset(¶ms
, 0, sizeof(params
));
660 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
664 ifindex
= dev
->ifindex
;
665 type
= dev
->ieee80211_ptr
->iftype
;
668 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
669 enum nl80211_iftype ntype
;
671 ntype
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
675 if (type
> NL80211_IFTYPE_MAX
) {
681 if (!drv
->ops
->change_virtual_intf
||
682 !(drv
->wiphy
.interface_modes
& (1 << type
))) {
687 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
688 if (type
!= NL80211_IFTYPE_MESH_POINT
) {
692 params
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
693 params
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
697 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
698 if (type
!= NL80211_IFTYPE_MONITOR
) {
702 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
712 err
= drv
->ops
->change_virtual_intf(&drv
->wiphy
, ifindex
,
713 type
, flags
, ¶ms
);
717 dev
= __dev_get_by_index(&init_net
, ifindex
);
718 WARN_ON(!dev
|| (!err
&& dev
->ieee80211_ptr
->iftype
!= type
));
721 cfg80211_put_dev(drv
);
727 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
729 struct cfg80211_registered_device
*drv
;
730 struct vif_params params
;
732 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
735 memset(¶ms
, 0, sizeof(params
));
737 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
740 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
741 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
742 if (type
> NL80211_IFTYPE_MAX
)
748 drv
= cfg80211_get_dev_from_info(info
);
754 if (!drv
->ops
->add_virtual_intf
||
755 !(drv
->wiphy
.interface_modes
& (1 << type
))) {
760 if (type
== NL80211_IFTYPE_MESH_POINT
&&
761 info
->attrs
[NL80211_ATTR_MESH_ID
]) {
762 params
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
763 params
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
766 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
767 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
769 err
= drv
->ops
->add_virtual_intf(&drv
->wiphy
,
770 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
771 type
, err
? NULL
: &flags
, ¶ms
);
774 cfg80211_put_dev(drv
);
780 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
782 struct cfg80211_registered_device
*drv
;
784 struct net_device
*dev
;
788 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
791 ifindex
= dev
->ifindex
;
794 if (!drv
->ops
->del_virtual_intf
) {
799 err
= drv
->ops
->del_virtual_intf(&drv
->wiphy
, ifindex
);
802 cfg80211_put_dev(drv
);
808 struct get_key_cookie
{
813 static void get_key_callback(void *c
, struct key_params
*params
)
815 struct get_key_cookie
*cookie
= c
;
818 NLA_PUT(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
819 params
->key_len
, params
->key
);
822 NLA_PUT(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
823 params
->seq_len
, params
->seq
);
826 NLA_PUT_U32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
834 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
836 struct cfg80211_registered_device
*drv
;
838 struct net_device
*dev
;
841 struct get_key_cookie cookie
= {
847 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
848 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
853 if (info
->attrs
[NL80211_ATTR_MAC
])
854 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
858 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
862 if (!drv
->ops
->get_key
) {
867 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
873 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
874 NL80211_CMD_NEW_KEY
);
883 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
884 NLA_PUT_U8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
);
886 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
);
888 err
= drv
->ops
->get_key(&drv
->wiphy
, dev
, key_idx
, mac_addr
,
889 &cookie
, get_key_callback
);
895 goto nla_put_failure
;
897 genlmsg_end(msg
, hdr
);
898 err
= genlmsg_unicast(msg
, info
->snd_pid
);
905 cfg80211_put_dev(drv
);
913 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
915 struct cfg80211_registered_device
*drv
;
917 struct net_device
*dev
;
919 int (*func
)(struct wiphy
*wiphy
, struct net_device
*netdev
,
922 if (!info
->attrs
[NL80211_ATTR_KEY_IDX
])
925 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
927 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
]) {
928 if (key_idx
< 4 || key_idx
> 5)
930 } else if (key_idx
> 3)
933 /* currently only support setting default key */
934 if (!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
] &&
935 !info
->attrs
[NL80211_ATTR_KEY_DEFAULT_MGMT
])
940 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
944 if (info
->attrs
[NL80211_ATTR_KEY_DEFAULT
])
945 func
= drv
->ops
->set_default_key
;
947 func
= drv
->ops
->set_default_mgmt_key
;
954 err
= func(&drv
->wiphy
, dev
, key_idx
);
957 cfg80211_put_dev(drv
);
966 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
968 struct cfg80211_registered_device
*drv
;
970 struct net_device
*dev
;
971 struct key_params params
;
975 memset(¶ms
, 0, sizeof(params
));
977 if (!info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
980 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
981 params
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
982 params
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
985 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
986 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
988 params
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
990 if (info
->attrs
[NL80211_ATTR_MAC
])
991 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
997 * Disallow pairwise keys with non-zero index unless it's WEP
998 * (because current deployments use pairwise WEP keys with
999 * non-zero indizes but 802.11i clearly specifies to use zero)
1001 if (mac_addr
&& key_idx
&&
1002 params
.cipher
!= WLAN_CIPHER_SUITE_WEP40
&&
1003 params
.cipher
!= WLAN_CIPHER_SUITE_WEP104
)
1006 /* TODO: add definitions for the lengths to linux/ieee80211.h */
1007 switch (params
.cipher
) {
1008 case WLAN_CIPHER_SUITE_WEP40
:
1009 if (params
.key_len
!= 5)
1012 case WLAN_CIPHER_SUITE_TKIP
:
1013 if (params
.key_len
!= 32)
1016 case WLAN_CIPHER_SUITE_CCMP
:
1017 if (params
.key_len
!= 16)
1020 case WLAN_CIPHER_SUITE_WEP104
:
1021 if (params
.key_len
!= 13)
1024 case WLAN_CIPHER_SUITE_AES_CMAC
:
1025 if (params
.key_len
!= 16)
1034 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1038 if (!drv
->ops
->add_key
) {
1043 err
= drv
->ops
->add_key(&drv
->wiphy
, dev
, key_idx
, mac_addr
, ¶ms
);
1046 cfg80211_put_dev(drv
);
1054 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
1056 struct cfg80211_registered_device
*drv
;
1058 struct net_device
*dev
;
1060 u8
*mac_addr
= NULL
;
1062 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
1063 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
1068 if (info
->attrs
[NL80211_ATTR_MAC
])
1069 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1073 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1077 if (!drv
->ops
->del_key
) {
1082 err
= drv
->ops
->del_key(&drv
->wiphy
, dev
, key_idx
, mac_addr
);
1085 cfg80211_put_dev(drv
);
1094 static int nl80211_addset_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
1096 int (*call
)(struct wiphy
*wiphy
, struct net_device
*dev
,
1097 struct beacon_parameters
*info
);
1098 struct cfg80211_registered_device
*drv
;
1100 struct net_device
*dev
;
1101 struct beacon_parameters params
;
1104 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]))
1109 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1113 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
) {
1118 switch (info
->genlhdr
->cmd
) {
1119 case NL80211_CMD_NEW_BEACON
:
1120 /* these are required for NEW_BEACON */
1121 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
1122 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
1123 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
]) {
1128 call
= drv
->ops
->add_beacon
;
1130 case NL80211_CMD_SET_BEACON
:
1131 call
= drv
->ops
->set_beacon
;
1144 memset(¶ms
, 0, sizeof(params
));
1146 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
1148 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
1152 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
1153 params
.dtim_period
=
1154 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
1158 if (info
->attrs
[NL80211_ATTR_BEACON_HEAD
]) {
1159 params
.head
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
1161 nla_len(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
1165 if (info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) {
1166 params
.tail
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
1168 nla_len(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
1177 err
= call(&drv
->wiphy
, dev
, ¶ms
);
1180 cfg80211_put_dev(drv
);
1188 static int nl80211_del_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
1190 struct cfg80211_registered_device
*drv
;
1192 struct net_device
*dev
;
1196 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1200 if (!drv
->ops
->del_beacon
) {
1205 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
) {
1209 err
= drv
->ops
->del_beacon(&drv
->wiphy
, dev
);
1212 cfg80211_put_dev(drv
);
1220 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
1221 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
1222 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
1223 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
1226 static int parse_station_flags(struct nlattr
*nla
, u32
*staflags
)
1228 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
1236 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
1237 nla
, sta_flags_policy
))
1240 *staflags
= STATION_FLAG_CHANGED
;
1242 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++)
1244 *staflags
|= (1<<flag
);
1249 static u16
nl80211_calculate_bitrate(struct rate_info
*rate
)
1251 int modulation
, streams
, bitrate
;
1253 if (!(rate
->flags
& RATE_INFO_FLAGS_MCS
))
1254 return rate
->legacy
;
1256 /* the formula below does only work for MCS values smaller than 32 */
1257 if (rate
->mcs
>= 32)
1260 modulation
= rate
->mcs
& 7;
1261 streams
= (rate
->mcs
>> 3) + 1;
1263 bitrate
= (rate
->flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
) ?
1267 bitrate
*= (modulation
+ 1);
1268 else if (modulation
== 4)
1269 bitrate
*= (modulation
+ 2);
1271 bitrate
*= (modulation
+ 3);
1275 if (rate
->flags
& RATE_INFO_FLAGS_SHORT_GI
)
1276 bitrate
= (bitrate
/ 9) * 10;
1278 /* do NOT round down here */
1279 return (bitrate
+ 50000) / 100000;
1282 static int nl80211_send_station(struct sk_buff
*msg
, u32 pid
, u32 seq
,
1283 int flags
, struct net_device
*dev
,
1284 u8
*mac_addr
, struct station_info
*sinfo
)
1287 struct nlattr
*sinfoattr
, *txrate
;
1290 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
1294 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1295 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
);
1297 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
1299 goto nla_put_failure
;
1300 if (sinfo
->filled
& STATION_INFO_INACTIVE_TIME
)
1301 NLA_PUT_U32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
1302 sinfo
->inactive_time
);
1303 if (sinfo
->filled
& STATION_INFO_RX_BYTES
)
1304 NLA_PUT_U32(msg
, NL80211_STA_INFO_RX_BYTES
,
1306 if (sinfo
->filled
& STATION_INFO_TX_BYTES
)
1307 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_BYTES
,
1309 if (sinfo
->filled
& STATION_INFO_LLID
)
1310 NLA_PUT_U16(msg
, NL80211_STA_INFO_LLID
,
1312 if (sinfo
->filled
& STATION_INFO_PLID
)
1313 NLA_PUT_U16(msg
, NL80211_STA_INFO_PLID
,
1315 if (sinfo
->filled
& STATION_INFO_PLINK_STATE
)
1316 NLA_PUT_U8(msg
, NL80211_STA_INFO_PLINK_STATE
,
1317 sinfo
->plink_state
);
1318 if (sinfo
->filled
& STATION_INFO_SIGNAL
)
1319 NLA_PUT_U8(msg
, NL80211_STA_INFO_SIGNAL
,
1321 if (sinfo
->filled
& STATION_INFO_TX_BITRATE
) {
1322 txrate
= nla_nest_start(msg
, NL80211_STA_INFO_TX_BITRATE
);
1324 goto nla_put_failure
;
1326 /* nl80211_calculate_bitrate will return 0 for mcs >= 32 */
1327 bitrate
= nl80211_calculate_bitrate(&sinfo
->txrate
);
1329 NLA_PUT_U16(msg
, NL80211_RATE_INFO_BITRATE
, bitrate
);
1331 if (sinfo
->txrate
.flags
& RATE_INFO_FLAGS_MCS
)
1332 NLA_PUT_U8(msg
, NL80211_RATE_INFO_MCS
,
1334 if (sinfo
->txrate
.flags
& RATE_INFO_FLAGS_40_MHZ_WIDTH
)
1335 NLA_PUT_FLAG(msg
, NL80211_RATE_INFO_40_MHZ_WIDTH
);
1336 if (sinfo
->txrate
.flags
& RATE_INFO_FLAGS_SHORT_GI
)
1337 NLA_PUT_FLAG(msg
, NL80211_RATE_INFO_SHORT_GI
);
1339 nla_nest_end(msg
, txrate
);
1341 if (sinfo
->filled
& STATION_INFO_RX_PACKETS
)
1342 NLA_PUT_U32(msg
, NL80211_STA_INFO_RX_PACKETS
,
1344 if (sinfo
->filled
& STATION_INFO_TX_PACKETS
)
1345 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_PACKETS
,
1347 nla_nest_end(msg
, sinfoattr
);
1349 return genlmsg_end(msg
, hdr
);
1352 genlmsg_cancel(msg
, hdr
);
1356 static int nl80211_dump_station(struct sk_buff
*skb
,
1357 struct netlink_callback
*cb
)
1359 struct station_info sinfo
;
1360 struct cfg80211_registered_device
*dev
;
1361 struct net_device
*netdev
;
1362 u8 mac_addr
[ETH_ALEN
];
1363 int ifidx
= cb
->args
[0];
1364 int sta_idx
= cb
->args
[1];
1368 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1369 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
1374 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
1377 ifidx
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
1384 netdev
= __dev_get_by_index(&init_net
, ifidx
);
1390 dev
= cfg80211_get_dev_from_ifindex(ifidx
);
1396 if (!dev
->ops
->dump_station
) {
1402 err
= dev
->ops
->dump_station(&dev
->wiphy
, netdev
, sta_idx
,
1409 if (nl80211_send_station(skb
,
1410 NETLINK_CB(cb
->skb
).pid
,
1411 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1421 cb
->args
[1] = sta_idx
;
1424 cfg80211_put_dev(dev
);
1431 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
1433 struct cfg80211_registered_device
*drv
;
1435 struct net_device
*dev
;
1436 struct station_info sinfo
;
1437 struct sk_buff
*msg
;
1438 u8
*mac_addr
= NULL
;
1440 memset(&sinfo
, 0, sizeof(sinfo
));
1442 if (!info
->attrs
[NL80211_ATTR_MAC
])
1445 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1449 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1453 if (!drv
->ops
->get_station
) {
1458 err
= drv
->ops
->get_station(&drv
->wiphy
, dev
, mac_addr
, &sinfo
);
1462 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
1466 if (nl80211_send_station(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1467 dev
, mac_addr
, &sinfo
) < 0)
1470 err
= genlmsg_unicast(msg
, info
->snd_pid
);
1476 cfg80211_put_dev(drv
);
1485 * Get vlan interface making sure it is on the right wiphy.
1487 static int get_vlan(struct nlattr
*vlanattr
,
1488 struct cfg80211_registered_device
*rdev
,
1489 struct net_device
**vlan
)
1494 *vlan
= dev_get_by_index(&init_net
, nla_get_u32(vlanattr
));
1497 if (!(*vlan
)->ieee80211_ptr
)
1499 if ((*vlan
)->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
)
1505 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
1507 struct cfg80211_registered_device
*drv
;
1509 struct net_device
*dev
;
1510 struct station_parameters params
;
1511 u8
*mac_addr
= NULL
;
1513 memset(¶ms
, 0, sizeof(params
));
1515 params
.listen_interval
= -1;
1517 if (info
->attrs
[NL80211_ATTR_STA_AID
])
1520 if (!info
->attrs
[NL80211_ATTR_MAC
])
1523 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1525 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
1526 params
.supported_rates
=
1527 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
1528 params
.supported_rates_len
=
1529 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
1532 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
1533 params
.listen_interval
=
1534 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
1536 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
1538 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
1540 if (parse_station_flags(info
->attrs
[NL80211_ATTR_STA_FLAGS
],
1541 ¶ms
.station_flags
))
1544 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
1545 params
.plink_action
=
1546 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
1550 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1554 err
= get_vlan(info
->attrs
[NL80211_ATTR_STA_VLAN
], drv
, ¶ms
.vlan
);
1558 if (!drv
->ops
->change_station
) {
1563 err
= drv
->ops
->change_station(&drv
->wiphy
, dev
, mac_addr
, ¶ms
);
1567 dev_put(params
.vlan
);
1568 cfg80211_put_dev(drv
);
1576 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
1578 struct cfg80211_registered_device
*drv
;
1580 struct net_device
*dev
;
1581 struct station_parameters params
;
1582 u8
*mac_addr
= NULL
;
1584 memset(¶ms
, 0, sizeof(params
));
1586 if (!info
->attrs
[NL80211_ATTR_MAC
])
1589 if (!info
->attrs
[NL80211_ATTR_STA_AID
])
1592 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
1595 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
1598 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1599 params
.supported_rates
=
1600 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
1601 params
.supported_rates_len
=
1602 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
1603 params
.listen_interval
=
1604 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
1605 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
1606 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
1608 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
1610 if (parse_station_flags(info
->attrs
[NL80211_ATTR_STA_FLAGS
],
1611 ¶ms
.station_flags
))
1616 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1620 err
= get_vlan(info
->attrs
[NL80211_ATTR_STA_VLAN
], drv
, ¶ms
.vlan
);
1624 if (!drv
->ops
->add_station
) {
1629 if (!netif_running(dev
)) {
1634 err
= drv
->ops
->add_station(&drv
->wiphy
, dev
, mac_addr
, ¶ms
);
1638 dev_put(params
.vlan
);
1639 cfg80211_put_dev(drv
);
1647 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
1649 struct cfg80211_registered_device
*drv
;
1651 struct net_device
*dev
;
1652 u8
*mac_addr
= NULL
;
1654 if (info
->attrs
[NL80211_ATTR_MAC
])
1655 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1659 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1663 if (!drv
->ops
->del_station
) {
1668 err
= drv
->ops
->del_station(&drv
->wiphy
, dev
, mac_addr
);
1671 cfg80211_put_dev(drv
);
1679 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 pid
, u32 seq
,
1680 int flags
, struct net_device
*dev
,
1681 u8
*dst
, u8
*next_hop
,
1682 struct mpath_info
*pinfo
)
1685 struct nlattr
*pinfoattr
;
1687 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
1691 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1692 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
);
1693 NLA_PUT(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
);
1695 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
1697 goto nla_put_failure
;
1698 if (pinfo
->filled
& MPATH_INFO_FRAME_QLEN
)
1699 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
1701 if (pinfo
->filled
& MPATH_INFO_DSN
)
1702 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_DSN
,
1704 if (pinfo
->filled
& MPATH_INFO_METRIC
)
1705 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_METRIC
,
1707 if (pinfo
->filled
& MPATH_INFO_EXPTIME
)
1708 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_EXPTIME
,
1710 if (pinfo
->filled
& MPATH_INFO_FLAGS
)
1711 NLA_PUT_U8(msg
, NL80211_MPATH_INFO_FLAGS
,
1713 if (pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
)
1714 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
1715 pinfo
->discovery_timeout
);
1716 if (pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
)
1717 NLA_PUT_U8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
1718 pinfo
->discovery_retries
);
1720 nla_nest_end(msg
, pinfoattr
);
1722 return genlmsg_end(msg
, hdr
);
1725 genlmsg_cancel(msg
, hdr
);
1729 static int nl80211_dump_mpath(struct sk_buff
*skb
,
1730 struct netlink_callback
*cb
)
1732 struct mpath_info pinfo
;
1733 struct cfg80211_registered_device
*dev
;
1734 struct net_device
*netdev
;
1736 u8 next_hop
[ETH_ALEN
];
1737 int ifidx
= cb
->args
[0];
1738 int path_idx
= cb
->args
[1];
1742 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1743 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
1748 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
1751 ifidx
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
1758 netdev
= __dev_get_by_index(&init_net
, ifidx
);
1764 dev
= cfg80211_get_dev_from_ifindex(ifidx
);
1770 if (!dev
->ops
->dump_mpath
) {
1775 if (netdev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
1781 err
= dev
->ops
->dump_mpath(&dev
->wiphy
, netdev
, path_idx
,
1782 dst
, next_hop
, &pinfo
);
1788 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).pid
,
1789 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1790 netdev
, dst
, next_hop
,
1799 cb
->args
[1] = path_idx
;
1802 cfg80211_put_dev(dev
);
1809 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
1811 struct cfg80211_registered_device
*drv
;
1813 struct net_device
*dev
;
1814 struct mpath_info pinfo
;
1815 struct sk_buff
*msg
;
1817 u8 next_hop
[ETH_ALEN
];
1819 memset(&pinfo
, 0, sizeof(pinfo
));
1821 if (!info
->attrs
[NL80211_ATTR_MAC
])
1824 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1828 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1832 if (!drv
->ops
->get_mpath
) {
1837 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
1842 err
= drv
->ops
->get_mpath(&drv
->wiphy
, dev
, dst
, next_hop
, &pinfo
);
1846 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
1850 if (nl80211_send_mpath(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1851 dev
, dst
, next_hop
, &pinfo
) < 0)
1854 err
= genlmsg_unicast(msg
, info
->snd_pid
);
1860 cfg80211_put_dev(drv
);
1868 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
1870 struct cfg80211_registered_device
*drv
;
1872 struct net_device
*dev
;
1874 u8
*next_hop
= NULL
;
1876 if (!info
->attrs
[NL80211_ATTR_MAC
])
1879 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
1882 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1883 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
1887 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1891 if (!drv
->ops
->change_mpath
) {
1896 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
1901 if (!netif_running(dev
)) {
1906 err
= drv
->ops
->change_mpath(&drv
->wiphy
, dev
, dst
, next_hop
);
1909 cfg80211_put_dev(drv
);
1916 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
1918 struct cfg80211_registered_device
*drv
;
1920 struct net_device
*dev
;
1922 u8
*next_hop
= NULL
;
1924 if (!info
->attrs
[NL80211_ATTR_MAC
])
1927 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
1930 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1931 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
1935 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1939 if (!drv
->ops
->add_mpath
) {
1944 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_MESH_POINT
) {
1949 if (!netif_running(dev
)) {
1954 err
= drv
->ops
->add_mpath(&drv
->wiphy
, dev
, dst
, next_hop
);
1957 cfg80211_put_dev(drv
);
1965 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
1967 struct cfg80211_registered_device
*drv
;
1969 struct net_device
*dev
;
1972 if (info
->attrs
[NL80211_ATTR_MAC
])
1973 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1977 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1981 if (!drv
->ops
->del_mpath
) {
1986 err
= drv
->ops
->del_mpath(&drv
->wiphy
, dev
, dst
);
1989 cfg80211_put_dev(drv
);
1997 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
1999 struct cfg80211_registered_device
*drv
;
2001 struct net_device
*dev
;
2002 struct bss_parameters params
;
2004 memset(¶ms
, 0, sizeof(params
));
2005 /* default to not changing parameters */
2006 params
.use_cts_prot
= -1;
2007 params
.use_short_preamble
= -1;
2008 params
.use_short_slot_time
= -1;
2010 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
2011 params
.use_cts_prot
=
2012 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
2013 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
2014 params
.use_short_preamble
=
2015 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
2016 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
2017 params
.use_short_slot_time
=
2018 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
2019 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
2020 params
.basic_rates
=
2021 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
2022 params
.basic_rates_len
=
2023 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
2028 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2032 if (!drv
->ops
->change_bss
) {
2037 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_AP
) {
2042 err
= drv
->ops
->change_bss(&drv
->wiphy
, dev
, ¶ms
);
2045 cfg80211_put_dev(drv
);
2053 static const struct nla_policy
2054 reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
2055 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
2056 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
2057 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
2058 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
2059 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
2060 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
2063 static int parse_reg_rule(struct nlattr
*tb
[],
2064 struct ieee80211_reg_rule
*reg_rule
)
2066 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
2067 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
2069 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
2071 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
2073 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
2075 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
2077 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
2080 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
2082 freq_range
->start_freq_khz
=
2083 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
2084 freq_range
->end_freq_khz
=
2085 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
2086 freq_range
->max_bandwidth_khz
=
2087 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
2089 power_rule
->max_eirp
=
2090 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
2092 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
2093 power_rule
->max_antenna_gain
=
2094 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
2099 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
2105 * You should only get this when cfg80211 hasn't yet initialized
2106 * completely when built-in to the kernel right between the time
2107 * window between nl80211_init() and regulatory_init(), if that is
2110 mutex_lock(&cfg80211_mutex
);
2111 if (unlikely(!cfg80211_regdomain
)) {
2112 mutex_unlock(&cfg80211_mutex
);
2113 return -EINPROGRESS
;
2115 mutex_unlock(&cfg80211_mutex
);
2117 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
2120 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
2122 #ifdef CONFIG_WIRELESS_OLD_REGULATORY
2123 /* We ignore world regdom requests with the old regdom setup */
2124 if (is_world_regdom(data
))
2128 r
= regulatory_hint_user(data
);
2133 static int nl80211_get_mesh_params(struct sk_buff
*skb
,
2134 struct genl_info
*info
)
2136 struct cfg80211_registered_device
*drv
;
2137 struct mesh_config cur_params
;
2139 struct net_device
*dev
;
2141 struct nlattr
*pinfoattr
;
2142 struct sk_buff
*msg
;
2146 /* Look up our device */
2147 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2151 if (!drv
->ops
->get_mesh_params
) {
2156 /* Get the mesh params */
2157 err
= drv
->ops
->get_mesh_params(&drv
->wiphy
, dev
, &cur_params
);
2161 /* Draw up a netlink message to send back */
2162 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
2167 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2168 NL80211_CMD_GET_MESH_PARAMS
);
2170 goto nla_put_failure
;
2171 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_PARAMS
);
2173 goto nla_put_failure
;
2174 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
2175 NLA_PUT_U16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
2176 cur_params
.dot11MeshRetryTimeout
);
2177 NLA_PUT_U16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
2178 cur_params
.dot11MeshConfirmTimeout
);
2179 NLA_PUT_U16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
2180 cur_params
.dot11MeshHoldingTimeout
);
2181 NLA_PUT_U16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
2182 cur_params
.dot11MeshMaxPeerLinks
);
2183 NLA_PUT_U8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
2184 cur_params
.dot11MeshMaxRetries
);
2185 NLA_PUT_U8(msg
, NL80211_MESHCONF_TTL
,
2186 cur_params
.dot11MeshTTL
);
2187 NLA_PUT_U8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
2188 cur_params
.auto_open_plinks
);
2189 NLA_PUT_U8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
2190 cur_params
.dot11MeshHWMPmaxPREQretries
);
2191 NLA_PUT_U32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
2192 cur_params
.path_refresh_time
);
2193 NLA_PUT_U16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
2194 cur_params
.min_discovery_timeout
);
2195 NLA_PUT_U32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
2196 cur_params
.dot11MeshHWMPactivePathTimeout
);
2197 NLA_PUT_U16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
2198 cur_params
.dot11MeshHWMPpreqMinInterval
);
2199 NLA_PUT_U16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
2200 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
);
2201 nla_nest_end(msg
, pinfoattr
);
2202 genlmsg_end(msg
, hdr
);
2203 err
= genlmsg_unicast(msg
, info
->snd_pid
);
2207 genlmsg_cancel(msg
, hdr
);
2211 cfg80211_put_dev(drv
);
2219 #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
2221 if (table[attr_num]) {\
2222 cfg.param = nla_fn(table[attr_num]); \
2223 mask |= (1 << (attr_num - 1)); \
2227 static struct nla_policy
2228 nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] __read_mostly
= {
2229 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
2230 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
2231 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
2232 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
2233 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
2234 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
2235 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
2237 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
2238 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
2239 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
2240 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
2241 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
2242 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
2245 static int nl80211_set_mesh_params(struct sk_buff
*skb
, struct genl_info
*info
)
2249 struct cfg80211_registered_device
*drv
;
2250 struct net_device
*dev
;
2251 struct mesh_config cfg
;
2252 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
2253 struct nlattr
*parent_attr
;
2255 parent_attr
= info
->attrs
[NL80211_ATTR_MESH_PARAMS
];
2258 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
2259 parent_attr
, nl80211_meshconf_params_policy
))
2264 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2268 if (!drv
->ops
->set_mesh_params
) {
2273 /* This makes sure that there aren't more than 32 mesh config
2274 * parameters (otherwise our bitfield scheme would not work.) */
2275 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
2277 /* Fill in the params struct */
2279 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
,
2280 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
, nla_get_u16
);
2281 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
,
2282 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
, nla_get_u16
);
2283 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
,
2284 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
, nla_get_u16
);
2285 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
,
2286 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
, nla_get_u16
);
2287 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
,
2288 mask
, NL80211_MESHCONF_MAX_RETRIES
, nla_get_u8
);
2289 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
,
2290 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
2291 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
,
2292 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
, nla_get_u8
);
2293 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
,
2294 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
2296 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
,
2297 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
, nla_get_u32
);
2298 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
,
2299 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
2301 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
2302 mask
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
2304 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
2305 mask
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
2307 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
2308 dot11MeshHWMPnetDiameterTraversalTime
,
2309 mask
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
2313 err
= drv
->ops
->set_mesh_params(&drv
->wiphy
, dev
, &cfg
, mask
);
2317 cfg80211_put_dev(drv
);
2325 #undef FILL_IN_MESH_PARAM_IF_SET
2327 static int nl80211_get_reg(struct sk_buff
*skb
, struct genl_info
*info
)
2329 struct sk_buff
*msg
;
2331 struct nlattr
*nl_reg_rules
;
2335 mutex_lock(&cfg80211_mutex
);
2337 if (!cfg80211_regdomain
)
2340 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
2346 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
2347 NL80211_CMD_GET_REG
);
2349 goto nla_put_failure
;
2351 NLA_PUT_STRING(msg
, NL80211_ATTR_REG_ALPHA2
,
2352 cfg80211_regdomain
->alpha2
);
2354 nl_reg_rules
= nla_nest_start(msg
, NL80211_ATTR_REG_RULES
);
2356 goto nla_put_failure
;
2358 for (i
= 0; i
< cfg80211_regdomain
->n_reg_rules
; i
++) {
2359 struct nlattr
*nl_reg_rule
;
2360 const struct ieee80211_reg_rule
*reg_rule
;
2361 const struct ieee80211_freq_range
*freq_range
;
2362 const struct ieee80211_power_rule
*power_rule
;
2364 reg_rule
= &cfg80211_regdomain
->reg_rules
[i
];
2365 freq_range
= ®_rule
->freq_range
;
2366 power_rule
= ®_rule
->power_rule
;
2368 nl_reg_rule
= nla_nest_start(msg
, i
);
2370 goto nla_put_failure
;
2372 NLA_PUT_U32(msg
, NL80211_ATTR_REG_RULE_FLAGS
,
2374 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_START
,
2375 freq_range
->start_freq_khz
);
2376 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_END
,
2377 freq_range
->end_freq_khz
);
2378 NLA_PUT_U32(msg
, NL80211_ATTR_FREQ_RANGE_MAX_BW
,
2379 freq_range
->max_bandwidth_khz
);
2380 NLA_PUT_U32(msg
, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
,
2381 power_rule
->max_antenna_gain
);
2382 NLA_PUT_U32(msg
, NL80211_ATTR_POWER_RULE_MAX_EIRP
,
2383 power_rule
->max_eirp
);
2385 nla_nest_end(msg
, nl_reg_rule
);
2388 nla_nest_end(msg
, nl_reg_rules
);
2390 genlmsg_end(msg
, hdr
);
2391 err
= genlmsg_unicast(msg
, info
->snd_pid
);
2395 genlmsg_cancel(msg
, hdr
);
2398 mutex_unlock(&cfg80211_mutex
);
2402 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
2404 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
2405 struct nlattr
*nl_reg_rule
;
2406 char *alpha2
= NULL
;
2407 int rem_reg_rules
= 0, r
= 0;
2408 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
2409 struct ieee80211_regdomain
*rd
= NULL
;
2411 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
2414 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
2417 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
2419 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
2422 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
2426 if (!reg_is_valid_request(alpha2
))
2429 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
2430 (num_rules
* sizeof(struct ieee80211_reg_rule
));
2432 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
2436 rd
->n_reg_rules
= num_rules
;
2437 rd
->alpha2
[0] = alpha2
[0];
2438 rd
->alpha2
[1] = alpha2
[1];
2440 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
2442 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
2443 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
2445 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
2451 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
)
2455 BUG_ON(rule_idx
!= num_rules
);
2457 mutex_lock(&cfg80211_mutex
);
2459 mutex_unlock(&cfg80211_mutex
);
2467 static int nl80211_trigger_scan(struct sk_buff
*skb
, struct genl_info
*info
)
2469 struct cfg80211_registered_device
*drv
;
2470 struct net_device
*dev
;
2471 struct cfg80211_scan_request
*request
;
2472 struct cfg80211_ssid
*ssid
;
2473 struct ieee80211_channel
*channel
;
2474 struct nlattr
*attr
;
2475 struct wiphy
*wiphy
;
2476 int err
, tmp
, n_ssids
= 0, n_channels
= 0, i
;
2477 enum ieee80211_band band
;
2480 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
2485 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2489 wiphy
= &drv
->wiphy
;
2491 if (!drv
->ops
->scan
) {
2496 if (!netif_running(dev
)) {
2501 if (drv
->scan_req
) {
2506 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
2507 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
)
2514 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++)
2515 if (wiphy
->bands
[band
])
2516 n_channels
+= wiphy
->bands
[band
]->n_channels
;
2519 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
])
2520 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
)
2523 if (n_ssids
> wiphy
->max_scan_ssids
) {
2528 if (info
->attrs
[NL80211_ATTR_IE
])
2529 ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
2533 if (ie_len
> wiphy
->max_scan_ie_len
) {
2538 request
= kzalloc(sizeof(*request
)
2539 + sizeof(*ssid
) * n_ssids
2540 + sizeof(channel
) * n_channels
2541 + ie_len
, GFP_KERNEL
);
2547 request
->channels
= (void *)((char *)request
+ sizeof(*request
));
2548 request
->n_channels
= n_channels
;
2550 request
->ssids
= (void *)(request
->channels
+ n_channels
);
2551 request
->n_ssids
= n_ssids
;
2554 request
->ie
= (void *)(request
->ssids
+ n_ssids
);
2556 request
->ie
= (void *)(request
->channels
+ n_channels
);
2559 if (info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
]) {
2560 /* user specified, bail out if channel not found */
2561 request
->n_channels
= n_channels
;
2563 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_FREQUENCIES
], tmp
) {
2564 request
->channels
[i
] = ieee80211_get_channel(wiphy
, nla_get_u32(attr
));
2565 if (!request
->channels
[i
]) {
2574 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
2576 if (!wiphy
->bands
[band
])
2578 for (j
= 0; j
< wiphy
->bands
[band
]->n_channels
; j
++) {
2579 request
->channels
[i
] = &wiphy
->bands
[band
]->channels
[j
];
2586 if (info
->attrs
[NL80211_ATTR_SCAN_SSIDS
]) {
2587 nla_for_each_nested(attr
, info
->attrs
[NL80211_ATTR_SCAN_SSIDS
], tmp
) {
2588 if (request
->ssids
[i
].ssid_len
> IEEE80211_MAX_SSID_LEN
) {
2592 memcpy(request
->ssids
[i
].ssid
, nla_data(attr
), nla_len(attr
));
2593 request
->ssids
[i
].ssid_len
= nla_len(attr
);
2598 if (info
->attrs
[NL80211_ATTR_IE
]) {
2599 request
->ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
2600 memcpy((void *)request
->ie
,
2601 nla_data(info
->attrs
[NL80211_ATTR_IE
]),
2605 request
->ifidx
= dev
->ifindex
;
2606 request
->wiphy
= &drv
->wiphy
;
2608 drv
->scan_req
= request
;
2609 err
= drv
->ops
->scan(&drv
->wiphy
, dev
, request
);
2613 drv
->scan_req
= NULL
;
2617 cfg80211_put_dev(drv
);
2625 static int nl80211_send_bss(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
2626 struct cfg80211_registered_device
*rdev
,
2627 struct net_device
*dev
,
2628 struct cfg80211_bss
*res
)
2633 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
,
2634 NL80211_CMD_NEW_SCAN_RESULTS
);
2638 NLA_PUT_U32(msg
, NL80211_ATTR_SCAN_GENERATION
,
2639 rdev
->bss_generation
);
2640 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
2642 bss
= nla_nest_start(msg
, NL80211_ATTR_BSS
);
2644 goto nla_put_failure
;
2645 if (!is_zero_ether_addr(res
->bssid
))
2646 NLA_PUT(msg
, NL80211_BSS_BSSID
, ETH_ALEN
, res
->bssid
);
2647 if (res
->information_elements
&& res
->len_information_elements
)
2648 NLA_PUT(msg
, NL80211_BSS_INFORMATION_ELEMENTS
,
2649 res
->len_information_elements
,
2650 res
->information_elements
);
2652 NLA_PUT_U64(msg
, NL80211_BSS_TSF
, res
->tsf
);
2653 if (res
->beacon_interval
)
2654 NLA_PUT_U16(msg
, NL80211_BSS_BEACON_INTERVAL
, res
->beacon_interval
);
2655 NLA_PUT_U16(msg
, NL80211_BSS_CAPABILITY
, res
->capability
);
2656 NLA_PUT_U32(msg
, NL80211_BSS_FREQUENCY
, res
->channel
->center_freq
);
2658 switch (rdev
->wiphy
.signal_type
) {
2659 case CFG80211_SIGNAL_TYPE_MBM
:
2660 NLA_PUT_U32(msg
, NL80211_BSS_SIGNAL_MBM
, res
->signal
);
2662 case CFG80211_SIGNAL_TYPE_UNSPEC
:
2663 NLA_PUT_U8(msg
, NL80211_BSS_SIGNAL_UNSPEC
, res
->signal
);
2669 nla_nest_end(msg
, bss
);
2671 return genlmsg_end(msg
, hdr
);
2674 genlmsg_cancel(msg
, hdr
);
2678 static int nl80211_dump_scan(struct sk_buff
*skb
,
2679 struct netlink_callback
*cb
)
2681 struct cfg80211_registered_device
*dev
;
2682 struct net_device
*netdev
;
2683 struct cfg80211_internal_bss
*scan
;
2684 int ifidx
= cb
->args
[0];
2685 int start
= cb
->args
[1], idx
= 0;
2689 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
2690 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
2695 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
2698 ifidx
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
2701 cb
->args
[0] = ifidx
;
2704 netdev
= dev_get_by_index(&init_net
, ifidx
);
2708 dev
= cfg80211_get_dev_from_ifindex(ifidx
);
2711 goto out_put_netdev
;
2714 spin_lock_bh(&dev
->bss_lock
);
2715 cfg80211_bss_expire(dev
);
2717 list_for_each_entry(scan
, &dev
->bss_list
, list
) {
2720 if (nl80211_send_bss(skb
,
2721 NETLINK_CB(cb
->skb
).pid
,
2722 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
2723 dev
, netdev
, &scan
->pub
) < 0) {
2730 spin_unlock_bh(&dev
->bss_lock
);
2734 cfg80211_put_dev(dev
);
2741 static bool nl80211_valid_auth_type(enum nl80211_auth_type auth_type
)
2743 return auth_type
== NL80211_AUTHTYPE_OPEN_SYSTEM
||
2744 auth_type
== NL80211_AUTHTYPE_SHARED_KEY
||
2745 auth_type
== NL80211_AUTHTYPE_FT
||
2746 auth_type
== NL80211_AUTHTYPE_NETWORK_EAP
;
2749 static int nl80211_authenticate(struct sk_buff
*skb
, struct genl_info
*info
)
2751 struct cfg80211_registered_device
*drv
;
2752 struct net_device
*dev
;
2753 struct cfg80211_auth_request req
;
2754 struct wiphy
*wiphy
;
2757 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
2760 if (!info
->attrs
[NL80211_ATTR_MAC
])
2763 if (!info
->attrs
[NL80211_ATTR_AUTH_TYPE
])
2768 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2772 if (!drv
->ops
->auth
) {
2777 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
) {
2782 if (!netif_running(dev
)) {
2787 wiphy
= &drv
->wiphy
;
2788 memset(&req
, 0, sizeof(req
));
2790 req
.peer_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2792 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2793 req
.chan
= ieee80211_get_channel(
2795 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
2802 if (info
->attrs
[NL80211_ATTR_SSID
]) {
2803 req
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
2804 req
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
2807 if (info
->attrs
[NL80211_ATTR_IE
]) {
2808 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
2809 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
2812 req
.auth_type
= nla_get_u32(info
->attrs
[NL80211_ATTR_AUTH_TYPE
]);
2813 if (!nl80211_valid_auth_type(req
.auth_type
)) {
2818 err
= drv
->ops
->auth(&drv
->wiphy
, dev
, &req
);
2821 cfg80211_put_dev(drv
);
2828 static int nl80211_associate(struct sk_buff
*skb
, struct genl_info
*info
)
2830 struct cfg80211_registered_device
*drv
;
2831 struct net_device
*dev
;
2832 struct cfg80211_assoc_request req
;
2833 struct wiphy
*wiphy
;
2836 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
2839 if (!info
->attrs
[NL80211_ATTR_MAC
] ||
2840 !info
->attrs
[NL80211_ATTR_SSID
])
2845 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2849 if (!drv
->ops
->assoc
) {
2854 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
) {
2859 if (!netif_running(dev
)) {
2864 wiphy
= &drv
->wiphy
;
2865 memset(&req
, 0, sizeof(req
));
2867 req
.peer_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2869 if (info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]) {
2870 req
.chan
= ieee80211_get_channel(
2872 nla_get_u32(info
->attrs
[NL80211_ATTR_WIPHY_FREQ
]));
2879 req
.ssid
= nla_data(info
->attrs
[NL80211_ATTR_SSID
]);
2880 req
.ssid_len
= nla_len(info
->attrs
[NL80211_ATTR_SSID
]);
2882 if (info
->attrs
[NL80211_ATTR_IE
]) {
2883 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
2884 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
2887 err
= drv
->ops
->assoc(&drv
->wiphy
, dev
, &req
);
2890 cfg80211_put_dev(drv
);
2897 static int nl80211_deauthenticate(struct sk_buff
*skb
, struct genl_info
*info
)
2899 struct cfg80211_registered_device
*drv
;
2900 struct net_device
*dev
;
2901 struct cfg80211_deauth_request req
;
2902 struct wiphy
*wiphy
;
2905 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
2908 if (!info
->attrs
[NL80211_ATTR_MAC
])
2911 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
2916 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2920 if (!drv
->ops
->deauth
) {
2925 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
) {
2930 if (!netif_running(dev
)) {
2935 wiphy
= &drv
->wiphy
;
2936 memset(&req
, 0, sizeof(req
));
2938 req
.peer_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
2940 req
.reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
2941 if (req
.reason_code
== 0) {
2942 /* Reason Code 0 is reserved */
2947 if (info
->attrs
[NL80211_ATTR_IE
]) {
2948 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
2949 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
2952 err
= drv
->ops
->deauth(&drv
->wiphy
, dev
, &req
);
2955 cfg80211_put_dev(drv
);
2962 static int nl80211_disassociate(struct sk_buff
*skb
, struct genl_info
*info
)
2964 struct cfg80211_registered_device
*drv
;
2965 struct net_device
*dev
;
2966 struct cfg80211_disassoc_request req
;
2967 struct wiphy
*wiphy
;
2970 if (!is_valid_ie_attr(info
->attrs
[NL80211_ATTR_IE
]))
2973 if (!info
->attrs
[NL80211_ATTR_MAC
])
2976 if (!info
->attrs
[NL80211_ATTR_REASON_CODE
])
2981 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
2985 if (!drv
->ops
->disassoc
) {
2990 if (dev
->ieee80211_ptr
->iftype
!= NL80211_IFTYPE_STATION
) {
2995 if (!netif_running(dev
)) {
3000 wiphy
= &drv
->wiphy
;
3001 memset(&req
, 0, sizeof(req
));
3003 req
.peer_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
3005 req
.reason_code
= nla_get_u16(info
->attrs
[NL80211_ATTR_REASON_CODE
]);
3006 if (req
.reason_code
== 0) {
3007 /* Reason Code 0 is reserved */
3012 if (info
->attrs
[NL80211_ATTR_IE
]) {
3013 req
.ie
= nla_data(info
->attrs
[NL80211_ATTR_IE
]);
3014 req
.ie_len
= nla_len(info
->attrs
[NL80211_ATTR_IE
]);
3017 err
= drv
->ops
->disassoc(&drv
->wiphy
, dev
, &req
);
3020 cfg80211_put_dev(drv
);
3027 static struct genl_ops nl80211_ops
[] = {
3029 .cmd
= NL80211_CMD_GET_WIPHY
,
3030 .doit
= nl80211_get_wiphy
,
3031 .dumpit
= nl80211_dump_wiphy
,
3032 .policy
= nl80211_policy
,
3033 /* can be retrieved by unprivileged users */
3036 .cmd
= NL80211_CMD_SET_WIPHY
,
3037 .doit
= nl80211_set_wiphy
,
3038 .policy
= nl80211_policy
,
3039 .flags
= GENL_ADMIN_PERM
,
3042 .cmd
= NL80211_CMD_GET_INTERFACE
,
3043 .doit
= nl80211_get_interface
,
3044 .dumpit
= nl80211_dump_interface
,
3045 .policy
= nl80211_policy
,
3046 /* can be retrieved by unprivileged users */
3049 .cmd
= NL80211_CMD_SET_INTERFACE
,
3050 .doit
= nl80211_set_interface
,
3051 .policy
= nl80211_policy
,
3052 .flags
= GENL_ADMIN_PERM
,
3055 .cmd
= NL80211_CMD_NEW_INTERFACE
,
3056 .doit
= nl80211_new_interface
,
3057 .policy
= nl80211_policy
,
3058 .flags
= GENL_ADMIN_PERM
,
3061 .cmd
= NL80211_CMD_DEL_INTERFACE
,
3062 .doit
= nl80211_del_interface
,
3063 .policy
= nl80211_policy
,
3064 .flags
= GENL_ADMIN_PERM
,
3067 .cmd
= NL80211_CMD_GET_KEY
,
3068 .doit
= nl80211_get_key
,
3069 .policy
= nl80211_policy
,
3070 .flags
= GENL_ADMIN_PERM
,
3073 .cmd
= NL80211_CMD_SET_KEY
,
3074 .doit
= nl80211_set_key
,
3075 .policy
= nl80211_policy
,
3076 .flags
= GENL_ADMIN_PERM
,
3079 .cmd
= NL80211_CMD_NEW_KEY
,
3080 .doit
= nl80211_new_key
,
3081 .policy
= nl80211_policy
,
3082 .flags
= GENL_ADMIN_PERM
,
3085 .cmd
= NL80211_CMD_DEL_KEY
,
3086 .doit
= nl80211_del_key
,
3087 .policy
= nl80211_policy
,
3088 .flags
= GENL_ADMIN_PERM
,
3091 .cmd
= NL80211_CMD_SET_BEACON
,
3092 .policy
= nl80211_policy
,
3093 .flags
= GENL_ADMIN_PERM
,
3094 .doit
= nl80211_addset_beacon
,
3097 .cmd
= NL80211_CMD_NEW_BEACON
,
3098 .policy
= nl80211_policy
,
3099 .flags
= GENL_ADMIN_PERM
,
3100 .doit
= nl80211_addset_beacon
,
3103 .cmd
= NL80211_CMD_DEL_BEACON
,
3104 .policy
= nl80211_policy
,
3105 .flags
= GENL_ADMIN_PERM
,
3106 .doit
= nl80211_del_beacon
,
3109 .cmd
= NL80211_CMD_GET_STATION
,
3110 .doit
= nl80211_get_station
,
3111 .dumpit
= nl80211_dump_station
,
3112 .policy
= nl80211_policy
,
3115 .cmd
= NL80211_CMD_SET_STATION
,
3116 .doit
= nl80211_set_station
,
3117 .policy
= nl80211_policy
,
3118 .flags
= GENL_ADMIN_PERM
,
3121 .cmd
= NL80211_CMD_NEW_STATION
,
3122 .doit
= nl80211_new_station
,
3123 .policy
= nl80211_policy
,
3124 .flags
= GENL_ADMIN_PERM
,
3127 .cmd
= NL80211_CMD_DEL_STATION
,
3128 .doit
= nl80211_del_station
,
3129 .policy
= nl80211_policy
,
3130 .flags
= GENL_ADMIN_PERM
,
3133 .cmd
= NL80211_CMD_GET_MPATH
,
3134 .doit
= nl80211_get_mpath
,
3135 .dumpit
= nl80211_dump_mpath
,
3136 .policy
= nl80211_policy
,
3137 .flags
= GENL_ADMIN_PERM
,
3140 .cmd
= NL80211_CMD_SET_MPATH
,
3141 .doit
= nl80211_set_mpath
,
3142 .policy
= nl80211_policy
,
3143 .flags
= GENL_ADMIN_PERM
,
3146 .cmd
= NL80211_CMD_NEW_MPATH
,
3147 .doit
= nl80211_new_mpath
,
3148 .policy
= nl80211_policy
,
3149 .flags
= GENL_ADMIN_PERM
,
3152 .cmd
= NL80211_CMD_DEL_MPATH
,
3153 .doit
= nl80211_del_mpath
,
3154 .policy
= nl80211_policy
,
3155 .flags
= GENL_ADMIN_PERM
,
3158 .cmd
= NL80211_CMD_SET_BSS
,
3159 .doit
= nl80211_set_bss
,
3160 .policy
= nl80211_policy
,
3161 .flags
= GENL_ADMIN_PERM
,
3164 .cmd
= NL80211_CMD_GET_REG
,
3165 .doit
= nl80211_get_reg
,
3166 .policy
= nl80211_policy
,
3167 /* can be retrieved by unprivileged users */
3170 .cmd
= NL80211_CMD_SET_REG
,
3171 .doit
= nl80211_set_reg
,
3172 .policy
= nl80211_policy
,
3173 .flags
= GENL_ADMIN_PERM
,
3176 .cmd
= NL80211_CMD_REQ_SET_REG
,
3177 .doit
= nl80211_req_set_reg
,
3178 .policy
= nl80211_policy
,
3179 .flags
= GENL_ADMIN_PERM
,
3182 .cmd
= NL80211_CMD_GET_MESH_PARAMS
,
3183 .doit
= nl80211_get_mesh_params
,
3184 .policy
= nl80211_policy
,
3185 /* can be retrieved by unprivileged users */
3188 .cmd
= NL80211_CMD_SET_MESH_PARAMS
,
3189 .doit
= nl80211_set_mesh_params
,
3190 .policy
= nl80211_policy
,
3191 .flags
= GENL_ADMIN_PERM
,
3194 .cmd
= NL80211_CMD_TRIGGER_SCAN
,
3195 .doit
= nl80211_trigger_scan
,
3196 .policy
= nl80211_policy
,
3197 .flags
= GENL_ADMIN_PERM
,
3200 .cmd
= NL80211_CMD_GET_SCAN
,
3201 .policy
= nl80211_policy
,
3202 .dumpit
= nl80211_dump_scan
,
3205 .cmd
= NL80211_CMD_AUTHENTICATE
,
3206 .doit
= nl80211_authenticate
,
3207 .policy
= nl80211_policy
,
3208 .flags
= GENL_ADMIN_PERM
,
3211 .cmd
= NL80211_CMD_ASSOCIATE
,
3212 .doit
= nl80211_associate
,
3213 .policy
= nl80211_policy
,
3214 .flags
= GENL_ADMIN_PERM
,
3217 .cmd
= NL80211_CMD_DEAUTHENTICATE
,
3218 .doit
= nl80211_deauthenticate
,
3219 .policy
= nl80211_policy
,
3220 .flags
= GENL_ADMIN_PERM
,
3223 .cmd
= NL80211_CMD_DISASSOCIATE
,
3224 .doit
= nl80211_disassociate
,
3225 .policy
= nl80211_policy
,
3226 .flags
= GENL_ADMIN_PERM
,
3229 static struct genl_multicast_group nl80211_mlme_mcgrp
= {
3233 /* multicast groups */
3234 static struct genl_multicast_group nl80211_config_mcgrp
= {
3237 static struct genl_multicast_group nl80211_scan_mcgrp
= {
3240 static struct genl_multicast_group nl80211_regulatory_mcgrp
= {
3241 .name
= "regulatory",
3244 /* notification functions */
3246 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
3248 struct sk_buff
*msg
;
3250 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
3254 if (nl80211_send_wiphy(msg
, 0, 0, 0, rdev
) < 0) {
3259 genlmsg_multicast(msg
, 0, nl80211_config_mcgrp
.id
, GFP_KERNEL
);
3262 static int nl80211_send_scan_donemsg(struct sk_buff
*msg
,
3263 struct cfg80211_registered_device
*rdev
,
3264 struct net_device
*netdev
,
3265 u32 pid
, u32 seq
, int flags
,
3270 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, cmd
);
3274 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
3275 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
3277 /* XXX: we should probably bounce back the request? */
3279 return genlmsg_end(msg
, hdr
);
3282 genlmsg_cancel(msg
, hdr
);
3286 void nl80211_send_scan_done(struct cfg80211_registered_device
*rdev
,
3287 struct net_device
*netdev
)
3289 struct sk_buff
*msg
;
3291 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
3295 if (nl80211_send_scan_donemsg(msg
, rdev
, netdev
, 0, 0, 0,
3296 NL80211_CMD_NEW_SCAN_RESULTS
) < 0) {
3301 genlmsg_multicast(msg
, 0, nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
3304 void nl80211_send_scan_aborted(struct cfg80211_registered_device
*rdev
,
3305 struct net_device
*netdev
)
3307 struct sk_buff
*msg
;
3309 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
3313 if (nl80211_send_scan_donemsg(msg
, rdev
, netdev
, 0, 0, 0,
3314 NL80211_CMD_SCAN_ABORTED
) < 0) {
3319 genlmsg_multicast(msg
, 0, nl80211_scan_mcgrp
.id
, GFP_KERNEL
);
3323 * This can happen on global regulatory changes or device specific settings
3324 * based on custom world regulatory domains.
3326 void nl80211_send_reg_change_event(struct regulatory_request
*request
)
3328 struct sk_buff
*msg
;
3331 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
3335 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_REG_CHANGE
);
3341 /* Userspace can always count this one always being set */
3342 NLA_PUT_U8(msg
, NL80211_ATTR_REG_INITIATOR
, request
->initiator
);
3344 if (request
->alpha2
[0] == '0' && request
->alpha2
[1] == '0')
3345 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
3346 NL80211_REGDOM_TYPE_WORLD
);
3347 else if (request
->alpha2
[0] == '9' && request
->alpha2
[1] == '9')
3348 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
3349 NL80211_REGDOM_TYPE_CUSTOM_WORLD
);
3350 else if ((request
->alpha2
[0] == '9' && request
->alpha2
[1] == '8') ||
3352 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
3353 NL80211_REGDOM_TYPE_INTERSECTION
);
3355 NLA_PUT_U8(msg
, NL80211_ATTR_REG_TYPE
,
3356 NL80211_REGDOM_TYPE_COUNTRY
);
3357 NLA_PUT_STRING(msg
, NL80211_ATTR_REG_ALPHA2
, request
->alpha2
);
3360 if (wiphy_idx_valid(request
->wiphy_idx
))
3361 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, request
->wiphy_idx
);
3363 if (genlmsg_end(msg
, hdr
) < 0) {
3368 genlmsg_multicast(msg
, 0, nl80211_regulatory_mcgrp
.id
, GFP_KERNEL
);
3373 genlmsg_cancel(msg
, hdr
);
3377 static void nl80211_send_mlme_event(struct cfg80211_registered_device
*rdev
,
3378 struct net_device
*netdev
,
3379 const u8
*buf
, size_t len
,
3380 enum nl80211_commands cmd
)
3382 struct sk_buff
*msg
;
3385 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_ATOMIC
);
3389 hdr
= nl80211hdr_put(msg
, 0, 0, 0, cmd
);
3395 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
3396 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
3397 NLA_PUT(msg
, NL80211_ATTR_FRAME
, len
, buf
);
3399 if (genlmsg_end(msg
, hdr
) < 0) {
3404 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, GFP_ATOMIC
);
3408 genlmsg_cancel(msg
, hdr
);
3412 void nl80211_send_rx_auth(struct cfg80211_registered_device
*rdev
,
3413 struct net_device
*netdev
, const u8
*buf
, size_t len
)
3415 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
3416 NL80211_CMD_AUTHENTICATE
);
3419 void nl80211_send_rx_assoc(struct cfg80211_registered_device
*rdev
,
3420 struct net_device
*netdev
, const u8
*buf
,
3423 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
, NL80211_CMD_ASSOCIATE
);
3426 void nl80211_send_deauth(struct cfg80211_registered_device
*rdev
,
3427 struct net_device
*netdev
, const u8
*buf
, size_t len
)
3429 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
3430 NL80211_CMD_DEAUTHENTICATE
);
3433 void nl80211_send_disassoc(struct cfg80211_registered_device
*rdev
,
3434 struct net_device
*netdev
, const u8
*buf
,
3437 nl80211_send_mlme_event(rdev
, netdev
, buf
, len
,
3438 NL80211_CMD_DISASSOCIATE
);
3441 void nl80211_michael_mic_failure(struct cfg80211_registered_device
*rdev
,
3442 struct net_device
*netdev
, const u8
*addr
,
3443 enum nl80211_key_type key_type
, int key_id
,
3446 struct sk_buff
*msg
;
3449 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
3453 hdr
= nl80211hdr_put(msg
, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE
);
3459 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, rdev
->wiphy_idx
);
3460 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, netdev
->ifindex
);
3462 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, addr
);
3463 NLA_PUT_U32(msg
, NL80211_ATTR_KEY_TYPE
, key_type
);
3464 NLA_PUT_U8(msg
, NL80211_ATTR_KEY_IDX
, key_id
);
3466 NLA_PUT(msg
, NL80211_ATTR_KEY_SEQ
, 6, tsc
);
3468 if (genlmsg_end(msg
, hdr
) < 0) {
3473 genlmsg_multicast(msg
, 0, nl80211_mlme_mcgrp
.id
, GFP_KERNEL
);
3477 genlmsg_cancel(msg
, hdr
);
3481 /* initialisation/exit functions */
3483 int nl80211_init(void)
3487 err
= genl_register_family(&nl80211_fam
);
3491 for (i
= 0; i
< ARRAY_SIZE(nl80211_ops
); i
++) {
3492 err
= genl_register_ops(&nl80211_fam
, &nl80211_ops
[i
]);
3497 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_config_mcgrp
);
3501 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_scan_mcgrp
);
3505 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_regulatory_mcgrp
);
3509 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_mlme_mcgrp
);
3515 genl_unregister_family(&nl80211_fam
);
3519 void nl80211_exit(void)
3521 genl_unregister_family(&nl80211_fam
);