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/mutex.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 <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
},
63 [NL80211_ATTR_IFTYPE
] = { .type
= NLA_U32
},
64 [NL80211_ATTR_IFINDEX
] = { .type
= NLA_U32
},
65 [NL80211_ATTR_IFNAME
] = { .type
= NLA_NUL_STRING
, .len
= IFNAMSIZ
-1 },
67 [NL80211_ATTR_MAC
] = { .type
= NLA_BINARY
, .len
= ETH_ALEN
},
69 [NL80211_ATTR_KEY_DATA
] = { .type
= NLA_BINARY
,
70 .len
= WLAN_MAX_KEY_LEN
},
71 [NL80211_ATTR_KEY_IDX
] = { .type
= NLA_U8
},
72 [NL80211_ATTR_KEY_CIPHER
] = { .type
= NLA_U32
},
73 [NL80211_ATTR_KEY_DEFAULT
] = { .type
= NLA_FLAG
},
75 [NL80211_ATTR_BEACON_INTERVAL
] = { .type
= NLA_U32
},
76 [NL80211_ATTR_DTIM_PERIOD
] = { .type
= NLA_U32
},
77 [NL80211_ATTR_BEACON_HEAD
] = { .type
= NLA_BINARY
,
78 .len
= IEEE80211_MAX_DATA_LEN
},
79 [NL80211_ATTR_BEACON_TAIL
] = { .type
= NLA_BINARY
,
80 .len
= IEEE80211_MAX_DATA_LEN
},
81 [NL80211_ATTR_STA_AID
] = { .type
= NLA_U16
},
82 [NL80211_ATTR_STA_FLAGS
] = { .type
= NLA_NESTED
},
83 [NL80211_ATTR_STA_LISTEN_INTERVAL
] = { .type
= NLA_U16
},
84 [NL80211_ATTR_STA_SUPPORTED_RATES
] = { .type
= NLA_BINARY
,
85 .len
= NL80211_MAX_SUPP_RATES
},
86 [NL80211_ATTR_STA_PLINK_ACTION
] = { .type
= NLA_U8
},
87 [NL80211_ATTR_STA_VLAN
] = { .type
= NLA_U32
},
88 [NL80211_ATTR_MNTR_FLAGS
] = { /* NLA_NESTED can't be empty */ },
89 [NL80211_ATTR_MESH_ID
] = { .type
= NLA_BINARY
,
90 .len
= IEEE80211_MAX_MESH_ID_LEN
},
91 [NL80211_ATTR_MPATH_NEXT_HOP
] = { .type
= NLA_U32
},
93 [NL80211_ATTR_REG_ALPHA2
] = { .type
= NLA_STRING
, .len
= 2 },
94 [NL80211_ATTR_REG_RULES
] = { .type
= NLA_NESTED
},
96 [NL80211_ATTR_BSS_CTS_PROT
] = { .type
= NLA_U8
},
97 [NL80211_ATTR_BSS_SHORT_PREAMBLE
] = { .type
= NLA_U8
},
98 [NL80211_ATTR_BSS_SHORT_SLOT_TIME
] = { .type
= NLA_U8
},
99 [NL80211_ATTR_BSS_BASIC_RATES
] = { .type
= NLA_BINARY
,
100 .len
= NL80211_MAX_SUPP_RATES
},
102 [NL80211_ATTR_MESH_PARAMS
] = { .type
= NLA_NESTED
},
104 [NL80211_ATTR_HT_CAPABILITY
] = { .type
= NLA_BINARY
,
105 .len
= NL80211_HT_CAPABILITY_LEN
},
108 /* message building helper */
109 static inline void *nl80211hdr_put(struct sk_buff
*skb
, u32 pid
, u32 seq
,
112 /* since there is no private header just add the generic one */
113 return genlmsg_put(skb
, pid
, seq
, &nl80211_fam
, flags
, cmd
);
116 /* netlink command implementations */
118 static int nl80211_send_wiphy(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
119 struct cfg80211_registered_device
*dev
)
122 struct nlattr
*nl_bands
, *nl_band
;
123 struct nlattr
*nl_freqs
, *nl_freq
;
124 struct nlattr
*nl_rates
, *nl_rate
;
125 struct nlattr
*nl_modes
;
126 enum ieee80211_band band
;
127 struct ieee80211_channel
*chan
;
128 struct ieee80211_rate
*rate
;
130 u16 ifmodes
= dev
->wiphy
.interface_modes
;
132 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_WIPHY
);
136 NLA_PUT_U32(msg
, NL80211_ATTR_WIPHY
, dev
->idx
);
137 NLA_PUT_STRING(msg
, NL80211_ATTR_WIPHY_NAME
, wiphy_name(&dev
->wiphy
));
139 nl_modes
= nla_nest_start(msg
, NL80211_ATTR_SUPPORTED_IFTYPES
);
141 goto nla_put_failure
;
146 NLA_PUT_FLAG(msg
, i
);
151 nla_nest_end(msg
, nl_modes
);
153 nl_bands
= nla_nest_start(msg
, NL80211_ATTR_WIPHY_BANDS
);
155 goto nla_put_failure
;
157 for (band
= 0; band
< IEEE80211_NUM_BANDS
; band
++) {
158 if (!dev
->wiphy
.bands
[band
])
161 nl_band
= nla_nest_start(msg
, band
);
163 goto nla_put_failure
;
166 if (dev
->wiphy
.bands
[band
]->ht_cap
.ht_supported
) {
167 NLA_PUT(msg
, NL80211_BAND_ATTR_HT_MCS_SET
,
168 sizeof(dev
->wiphy
.bands
[band
]->ht_cap
.mcs
),
169 &dev
->wiphy
.bands
[band
]->ht_cap
.mcs
);
170 NLA_PUT_U16(msg
, NL80211_BAND_ATTR_HT_CAPA
,
171 dev
->wiphy
.bands
[band
]->ht_cap
.cap
);
172 NLA_PUT_U8(msg
, NL80211_BAND_ATTR_HT_AMPDU_FACTOR
,
173 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_factor
);
174 NLA_PUT_U8(msg
, NL80211_BAND_ATTR_HT_AMPDU_DENSITY
,
175 dev
->wiphy
.bands
[band
]->ht_cap
.ampdu_density
);
178 /* add frequencies */
179 nl_freqs
= nla_nest_start(msg
, NL80211_BAND_ATTR_FREQS
);
181 goto nla_put_failure
;
183 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_channels
; i
++) {
184 nl_freq
= nla_nest_start(msg
, i
);
186 goto nla_put_failure
;
188 chan
= &dev
->wiphy
.bands
[band
]->channels
[i
];
189 NLA_PUT_U32(msg
, NL80211_FREQUENCY_ATTR_FREQ
,
192 if (chan
->flags
& IEEE80211_CHAN_DISABLED
)
193 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_DISABLED
);
194 if (chan
->flags
& IEEE80211_CHAN_PASSIVE_SCAN
)
195 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN
);
196 if (chan
->flags
& IEEE80211_CHAN_NO_IBSS
)
197 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_NO_IBSS
);
198 if (chan
->flags
& IEEE80211_CHAN_RADAR
)
199 NLA_PUT_FLAG(msg
, NL80211_FREQUENCY_ATTR_RADAR
);
201 nla_nest_end(msg
, nl_freq
);
204 nla_nest_end(msg
, nl_freqs
);
207 nl_rates
= nla_nest_start(msg
, NL80211_BAND_ATTR_RATES
);
209 goto nla_put_failure
;
211 for (i
= 0; i
< dev
->wiphy
.bands
[band
]->n_bitrates
; i
++) {
212 nl_rate
= nla_nest_start(msg
, i
);
214 goto nla_put_failure
;
216 rate
= &dev
->wiphy
.bands
[band
]->bitrates
[i
];
217 NLA_PUT_U32(msg
, NL80211_BITRATE_ATTR_RATE
,
219 if (rate
->flags
& IEEE80211_RATE_SHORT_PREAMBLE
)
221 NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE
);
223 nla_nest_end(msg
, nl_rate
);
226 nla_nest_end(msg
, nl_rates
);
228 nla_nest_end(msg
, nl_band
);
230 nla_nest_end(msg
, nl_bands
);
232 return genlmsg_end(msg
, hdr
);
235 genlmsg_cancel(msg
, hdr
);
239 static int nl80211_dump_wiphy(struct sk_buff
*skb
, struct netlink_callback
*cb
)
242 int start
= cb
->args
[0];
243 struct cfg80211_registered_device
*dev
;
245 mutex_lock(&cfg80211_drv_mutex
);
246 list_for_each_entry(dev
, &cfg80211_drv_list
, list
) {
249 if (nl80211_send_wiphy(skb
, NETLINK_CB(cb
->skb
).pid
,
250 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
256 mutex_unlock(&cfg80211_drv_mutex
);
263 static int nl80211_get_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
266 struct cfg80211_registered_device
*dev
;
268 dev
= cfg80211_get_dev_from_info(info
);
272 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
276 if (nl80211_send_wiphy(msg
, info
->snd_pid
, info
->snd_seq
, 0, dev
) < 0)
279 cfg80211_put_dev(dev
);
281 return genlmsg_unicast(msg
, info
->snd_pid
);
286 cfg80211_put_dev(dev
);
290 static const struct nla_policy txq_params_policy
[NL80211_TXQ_ATTR_MAX
+ 1] = {
291 [NL80211_TXQ_ATTR_QUEUE
] = { .type
= NLA_U8
},
292 [NL80211_TXQ_ATTR_TXOP
] = { .type
= NLA_U16
},
293 [NL80211_TXQ_ATTR_CWMIN
] = { .type
= NLA_U16
},
294 [NL80211_TXQ_ATTR_CWMAX
] = { .type
= NLA_U16
},
295 [NL80211_TXQ_ATTR_AIFS
] = { .type
= NLA_U8
},
298 static int parse_txq_params(struct nlattr
*tb
[],
299 struct ieee80211_txq_params
*txq_params
)
301 if (!tb
[NL80211_TXQ_ATTR_QUEUE
] || !tb
[NL80211_TXQ_ATTR_TXOP
] ||
302 !tb
[NL80211_TXQ_ATTR_CWMIN
] || !tb
[NL80211_TXQ_ATTR_CWMAX
] ||
303 !tb
[NL80211_TXQ_ATTR_AIFS
])
306 txq_params
->queue
= nla_get_u8(tb
[NL80211_TXQ_ATTR_QUEUE
]);
307 txq_params
->txop
= nla_get_u16(tb
[NL80211_TXQ_ATTR_TXOP
]);
308 txq_params
->cwmin
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMIN
]);
309 txq_params
->cwmax
= nla_get_u16(tb
[NL80211_TXQ_ATTR_CWMAX
]);
310 txq_params
->aifs
= nla_get_u8(tb
[NL80211_TXQ_ATTR_AIFS
]);
315 static int nl80211_set_wiphy(struct sk_buff
*skb
, struct genl_info
*info
)
317 struct cfg80211_registered_device
*rdev
;
318 int result
= 0, rem_txq_params
= 0;
319 struct nlattr
*nl_txq_params
;
321 rdev
= cfg80211_get_dev_from_info(info
);
323 return PTR_ERR(rdev
);
325 if (info
->attrs
[NL80211_ATTR_WIPHY_NAME
]) {
326 result
= cfg80211_dev_rename(
327 rdev
, nla_data(info
->attrs
[NL80211_ATTR_WIPHY_NAME
]));
332 if (info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
]) {
333 struct ieee80211_txq_params txq_params
;
334 struct nlattr
*tb
[NL80211_TXQ_ATTR_MAX
+ 1];
336 if (!rdev
->ops
->set_txq_params
) {
337 result
= -EOPNOTSUPP
;
341 nla_for_each_nested(nl_txq_params
,
342 info
->attrs
[NL80211_ATTR_WIPHY_TXQ_PARAMS
],
344 nla_parse(tb
, NL80211_TXQ_ATTR_MAX
,
345 nla_data(nl_txq_params
),
346 nla_len(nl_txq_params
),
348 result
= parse_txq_params(tb
, &txq_params
);
352 result
= rdev
->ops
->set_txq_params(&rdev
->wiphy
,
360 cfg80211_put_dev(rdev
);
365 static int nl80211_send_iface(struct sk_buff
*msg
, u32 pid
, u32 seq
, int flags
,
366 struct net_device
*dev
)
370 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_INTERFACE
);
374 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
375 NLA_PUT_STRING(msg
, NL80211_ATTR_IFNAME
, dev
->name
);
376 NLA_PUT_U32(msg
, NL80211_ATTR_IFTYPE
, dev
->ieee80211_ptr
->iftype
);
377 return genlmsg_end(msg
, hdr
);
380 genlmsg_cancel(msg
, hdr
);
384 static int nl80211_dump_interface(struct sk_buff
*skb
, struct netlink_callback
*cb
)
388 int wp_start
= cb
->args
[0];
389 int if_start
= cb
->args
[1];
390 struct cfg80211_registered_device
*dev
;
391 struct wireless_dev
*wdev
;
393 mutex_lock(&cfg80211_drv_mutex
);
394 list_for_each_entry(dev
, &cfg80211_drv_list
, list
) {
395 if (wp_idx
< wp_start
) {
401 mutex_lock(&dev
->devlist_mtx
);
402 list_for_each_entry(wdev
, &dev
->netdev_list
, list
) {
403 if (if_idx
< if_start
) {
407 if (nl80211_send_iface(skb
, NETLINK_CB(cb
->skb
).pid
,
408 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
410 mutex_unlock(&dev
->devlist_mtx
);
415 mutex_unlock(&dev
->devlist_mtx
);
420 mutex_unlock(&cfg80211_drv_mutex
);
422 cb
->args
[0] = wp_idx
;
423 cb
->args
[1] = if_idx
;
428 static int nl80211_get_interface(struct sk_buff
*skb
, struct genl_info
*info
)
431 struct cfg80211_registered_device
*dev
;
432 struct net_device
*netdev
;
435 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &dev
, &netdev
);
439 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
443 if (nl80211_send_iface(msg
, info
->snd_pid
, info
->snd_seq
, 0, netdev
) < 0)
447 cfg80211_put_dev(dev
);
449 return genlmsg_unicast(msg
, info
->snd_pid
);
455 cfg80211_put_dev(dev
);
459 static const struct nla_policy mntr_flags_policy
[NL80211_MNTR_FLAG_MAX
+ 1] = {
460 [NL80211_MNTR_FLAG_FCSFAIL
] = { .type
= NLA_FLAG
},
461 [NL80211_MNTR_FLAG_PLCPFAIL
] = { .type
= NLA_FLAG
},
462 [NL80211_MNTR_FLAG_CONTROL
] = { .type
= NLA_FLAG
},
463 [NL80211_MNTR_FLAG_OTHER_BSS
] = { .type
= NLA_FLAG
},
464 [NL80211_MNTR_FLAG_COOK_FRAMES
] = { .type
= NLA_FLAG
},
467 static int parse_monitor_flags(struct nlattr
*nla
, u32
*mntrflags
)
469 struct nlattr
*flags
[NL80211_MNTR_FLAG_MAX
+ 1];
477 if (nla_parse_nested(flags
, NL80211_MNTR_FLAG_MAX
,
478 nla
, mntr_flags_policy
))
481 for (flag
= 1; flag
<= NL80211_MNTR_FLAG_MAX
; flag
++)
483 *mntrflags
|= (1<<flag
);
488 static int nl80211_set_interface(struct sk_buff
*skb
, struct genl_info
*info
)
490 struct cfg80211_registered_device
*drv
;
491 struct vif_params params
;
493 enum nl80211_iftype type
;
494 struct net_device
*dev
;
495 u32 _flags
, *flags
= NULL
;
497 memset(¶ms
, 0, sizeof(params
));
499 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
502 ifindex
= dev
->ifindex
;
503 type
= dev
->ieee80211_ptr
->iftype
;
507 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
508 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
509 if (type
> NL80211_IFTYPE_MAX
)
513 if (!drv
->ops
->change_virtual_intf
||
514 !(drv
->wiphy
.interface_modes
& (1 << type
))) {
519 if (info
->attrs
[NL80211_ATTR_MESH_ID
]) {
520 if (type
!= NL80211_IFTYPE_MESH_POINT
) {
524 params
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
525 params
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
528 if (info
->attrs
[NL80211_ATTR_MNTR_FLAGS
]) {
529 if (type
!= NL80211_IFTYPE_MONITOR
) {
533 err
= parse_monitor_flags(info
->attrs
[NL80211_ATTR_MNTR_FLAGS
],
539 err
= drv
->ops
->change_virtual_intf(&drv
->wiphy
, ifindex
,
540 type
, flags
, ¶ms
);
542 dev
= __dev_get_by_index(&init_net
, ifindex
);
543 WARN_ON(!dev
|| (!err
&& dev
->ieee80211_ptr
->iftype
!= type
));
548 cfg80211_put_dev(drv
);
552 static int nl80211_new_interface(struct sk_buff
*skb
, struct genl_info
*info
)
554 struct cfg80211_registered_device
*drv
;
555 struct vif_params params
;
557 enum nl80211_iftype type
= NL80211_IFTYPE_UNSPECIFIED
;
560 memset(¶ms
, 0, sizeof(params
));
562 if (!info
->attrs
[NL80211_ATTR_IFNAME
])
565 if (info
->attrs
[NL80211_ATTR_IFTYPE
]) {
566 type
= nla_get_u32(info
->attrs
[NL80211_ATTR_IFTYPE
]);
567 if (type
> NL80211_IFTYPE_MAX
)
571 drv
= cfg80211_get_dev_from_info(info
);
575 if (!drv
->ops
->add_virtual_intf
||
576 !(drv
->wiphy
.interface_modes
& (1 << type
))) {
581 if (type
== NL80211_IFTYPE_MESH_POINT
&&
582 info
->attrs
[NL80211_ATTR_MESH_ID
]) {
583 params
.mesh_id
= nla_data(info
->attrs
[NL80211_ATTR_MESH_ID
]);
584 params
.mesh_id_len
= nla_len(info
->attrs
[NL80211_ATTR_MESH_ID
]);
588 err
= parse_monitor_flags(type
== NL80211_IFTYPE_MONITOR
?
589 info
->attrs
[NL80211_ATTR_MNTR_FLAGS
] : NULL
,
591 err
= drv
->ops
->add_virtual_intf(&drv
->wiphy
,
592 nla_data(info
->attrs
[NL80211_ATTR_IFNAME
]),
593 type
, err
? NULL
: &flags
, ¶ms
);
598 cfg80211_put_dev(drv
);
602 static int nl80211_del_interface(struct sk_buff
*skb
, struct genl_info
*info
)
604 struct cfg80211_registered_device
*drv
;
606 struct net_device
*dev
;
608 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
611 ifindex
= dev
->ifindex
;
614 if (!drv
->ops
->del_virtual_intf
) {
620 err
= drv
->ops
->del_virtual_intf(&drv
->wiphy
, ifindex
);
624 cfg80211_put_dev(drv
);
628 struct get_key_cookie
{
633 static void get_key_callback(void *c
, struct key_params
*params
)
635 struct get_key_cookie
*cookie
= c
;
638 NLA_PUT(cookie
->msg
, NL80211_ATTR_KEY_DATA
,
639 params
->key_len
, params
->key
);
642 NLA_PUT(cookie
->msg
, NL80211_ATTR_KEY_SEQ
,
643 params
->seq_len
, params
->seq
);
646 NLA_PUT_U32(cookie
->msg
, NL80211_ATTR_KEY_CIPHER
,
654 static int nl80211_get_key(struct sk_buff
*skb
, struct genl_info
*info
)
656 struct cfg80211_registered_device
*drv
;
658 struct net_device
*dev
;
661 struct get_key_cookie cookie
= {
667 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
668 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
673 if (info
->attrs
[NL80211_ATTR_MAC
])
674 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
676 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
680 if (!drv
->ops
->get_key
) {
685 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
691 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
692 NL80211_CMD_NEW_KEY
);
701 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
702 NLA_PUT_U8(msg
, NL80211_ATTR_KEY_IDX
, key_idx
);
704 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
);
707 err
= drv
->ops
->get_key(&drv
->wiphy
, dev
, key_idx
, mac_addr
,
708 &cookie
, get_key_callback
);
715 goto nla_put_failure
;
717 genlmsg_end(msg
, hdr
);
718 err
= genlmsg_unicast(msg
, info
->snd_pid
);
725 cfg80211_put_dev(drv
);
730 static int nl80211_set_key(struct sk_buff
*skb
, struct genl_info
*info
)
732 struct cfg80211_registered_device
*drv
;
734 struct net_device
*dev
;
737 if (!info
->attrs
[NL80211_ATTR_KEY_IDX
])
740 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
745 /* currently only support setting default key */
746 if (!info
->attrs
[NL80211_ATTR_KEY_DEFAULT
])
749 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
753 if (!drv
->ops
->set_default_key
) {
759 err
= drv
->ops
->set_default_key(&drv
->wiphy
, dev
, key_idx
);
763 cfg80211_put_dev(drv
);
768 static int nl80211_new_key(struct sk_buff
*skb
, struct genl_info
*info
)
770 struct cfg80211_registered_device
*drv
;
772 struct net_device
*dev
;
773 struct key_params params
;
777 memset(¶ms
, 0, sizeof(params
));
779 if (!info
->attrs
[NL80211_ATTR_KEY_CIPHER
])
782 if (info
->attrs
[NL80211_ATTR_KEY_DATA
]) {
783 params
.key
= nla_data(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
784 params
.key_len
= nla_len(info
->attrs
[NL80211_ATTR_KEY_DATA
]);
787 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
788 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
790 params
.cipher
= nla_get_u32(info
->attrs
[NL80211_ATTR_KEY_CIPHER
]);
792 if (info
->attrs
[NL80211_ATTR_MAC
])
793 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
799 * Disallow pairwise keys with non-zero index unless it's WEP
800 * (because current deployments use pairwise WEP keys with
801 * non-zero indizes but 802.11i clearly specifies to use zero)
803 if (mac_addr
&& key_idx
&&
804 params
.cipher
!= WLAN_CIPHER_SUITE_WEP40
&&
805 params
.cipher
!= WLAN_CIPHER_SUITE_WEP104
)
808 /* TODO: add definitions for the lengths to linux/ieee80211.h */
809 switch (params
.cipher
) {
810 case WLAN_CIPHER_SUITE_WEP40
:
811 if (params
.key_len
!= 5)
814 case WLAN_CIPHER_SUITE_TKIP
:
815 if (params
.key_len
!= 32)
818 case WLAN_CIPHER_SUITE_CCMP
:
819 if (params
.key_len
!= 16)
822 case WLAN_CIPHER_SUITE_WEP104
:
823 if (params
.key_len
!= 13)
830 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
834 if (!drv
->ops
->add_key
) {
840 err
= drv
->ops
->add_key(&drv
->wiphy
, dev
, key_idx
, mac_addr
, ¶ms
);
844 cfg80211_put_dev(drv
);
849 static int nl80211_del_key(struct sk_buff
*skb
, struct genl_info
*info
)
851 struct cfg80211_registered_device
*drv
;
853 struct net_device
*dev
;
857 if (info
->attrs
[NL80211_ATTR_KEY_IDX
])
858 key_idx
= nla_get_u8(info
->attrs
[NL80211_ATTR_KEY_IDX
]);
863 if (info
->attrs
[NL80211_ATTR_MAC
])
864 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
866 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
870 if (!drv
->ops
->del_key
) {
876 err
= drv
->ops
->del_key(&drv
->wiphy
, dev
, key_idx
, mac_addr
);
880 cfg80211_put_dev(drv
);
885 static int nl80211_addset_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
887 int (*call
)(struct wiphy
*wiphy
, struct net_device
*dev
,
888 struct beacon_parameters
*info
);
889 struct cfg80211_registered_device
*drv
;
891 struct net_device
*dev
;
892 struct beacon_parameters params
;
895 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
899 switch (info
->genlhdr
->cmd
) {
900 case NL80211_CMD_NEW_BEACON
:
901 /* these are required for NEW_BEACON */
902 if (!info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
] ||
903 !info
->attrs
[NL80211_ATTR_DTIM_PERIOD
] ||
904 !info
->attrs
[NL80211_ATTR_BEACON_HEAD
]) {
909 call
= drv
->ops
->add_beacon
;
911 case NL80211_CMD_SET_BEACON
:
912 call
= drv
->ops
->set_beacon
;
925 memset(¶ms
, 0, sizeof(params
));
927 if (info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]) {
929 nla_get_u32(info
->attrs
[NL80211_ATTR_BEACON_INTERVAL
]);
933 if (info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]) {
935 nla_get_u32(info
->attrs
[NL80211_ATTR_DTIM_PERIOD
]);
939 if (info
->attrs
[NL80211_ATTR_BEACON_HEAD
]) {
940 params
.head
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
942 nla_len(info
->attrs
[NL80211_ATTR_BEACON_HEAD
]);
946 if (info
->attrs
[NL80211_ATTR_BEACON_TAIL
]) {
947 params
.tail
= nla_data(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
949 nla_len(info
->attrs
[NL80211_ATTR_BEACON_TAIL
]);
959 err
= call(&drv
->wiphy
, dev
, ¶ms
);
963 cfg80211_put_dev(drv
);
968 static int nl80211_del_beacon(struct sk_buff
*skb
, struct genl_info
*info
)
970 struct cfg80211_registered_device
*drv
;
972 struct net_device
*dev
;
974 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
978 if (!drv
->ops
->del_beacon
) {
984 err
= drv
->ops
->del_beacon(&drv
->wiphy
, dev
);
988 cfg80211_put_dev(drv
);
993 static const struct nla_policy sta_flags_policy
[NL80211_STA_FLAG_MAX
+ 1] = {
994 [NL80211_STA_FLAG_AUTHORIZED
] = { .type
= NLA_FLAG
},
995 [NL80211_STA_FLAG_SHORT_PREAMBLE
] = { .type
= NLA_FLAG
},
996 [NL80211_STA_FLAG_WME
] = { .type
= NLA_FLAG
},
999 static int parse_station_flags(struct nlattr
*nla
, u32
*staflags
)
1001 struct nlattr
*flags
[NL80211_STA_FLAG_MAX
+ 1];
1009 if (nla_parse_nested(flags
, NL80211_STA_FLAG_MAX
,
1010 nla
, sta_flags_policy
))
1013 *staflags
= STATION_FLAG_CHANGED
;
1015 for (flag
= 1; flag
<= NL80211_STA_FLAG_MAX
; flag
++)
1017 *staflags
|= (1<<flag
);
1022 static int nl80211_send_station(struct sk_buff
*msg
, u32 pid
, u32 seq
,
1023 int flags
, struct net_device
*dev
,
1024 u8
*mac_addr
, struct station_info
*sinfo
)
1027 struct nlattr
*sinfoattr
;
1029 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
1033 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1034 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, mac_addr
);
1036 sinfoattr
= nla_nest_start(msg
, NL80211_ATTR_STA_INFO
);
1038 goto nla_put_failure
;
1039 if (sinfo
->filled
& STATION_INFO_INACTIVE_TIME
)
1040 NLA_PUT_U32(msg
, NL80211_STA_INFO_INACTIVE_TIME
,
1041 sinfo
->inactive_time
);
1042 if (sinfo
->filled
& STATION_INFO_RX_BYTES
)
1043 NLA_PUT_U32(msg
, NL80211_STA_INFO_RX_BYTES
,
1045 if (sinfo
->filled
& STATION_INFO_TX_BYTES
)
1046 NLA_PUT_U32(msg
, NL80211_STA_INFO_TX_BYTES
,
1048 if (sinfo
->filled
& STATION_INFO_LLID
)
1049 NLA_PUT_U16(msg
, NL80211_STA_INFO_LLID
,
1051 if (sinfo
->filled
& STATION_INFO_PLID
)
1052 NLA_PUT_U16(msg
, NL80211_STA_INFO_PLID
,
1054 if (sinfo
->filled
& STATION_INFO_PLINK_STATE
)
1055 NLA_PUT_U8(msg
, NL80211_STA_INFO_PLINK_STATE
,
1056 sinfo
->plink_state
);
1058 nla_nest_end(msg
, sinfoattr
);
1060 return genlmsg_end(msg
, hdr
);
1063 genlmsg_cancel(msg
, hdr
);
1067 static int nl80211_dump_station(struct sk_buff
*skb
,
1068 struct netlink_callback
*cb
)
1070 struct station_info sinfo
;
1071 struct cfg80211_registered_device
*dev
;
1072 struct net_device
*netdev
;
1073 u8 mac_addr
[ETH_ALEN
];
1074 int ifidx
= cb
->args
[0];
1075 int sta_idx
= cb
->args
[1];
1079 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1080 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
1085 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
1088 ifidx
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
1093 netdev
= dev_get_by_index(&init_net
, ifidx
);
1097 dev
= cfg80211_get_dev_from_ifindex(ifidx
);
1100 goto out_put_netdev
;
1103 if (!dev
->ops
->dump_station
) {
1111 err
= dev
->ops
->dump_station(&dev
->wiphy
, netdev
, sta_idx
,
1118 if (nl80211_send_station(skb
,
1119 NETLINK_CB(cb
->skb
).pid
,
1120 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1130 cb
->args
[1] = sta_idx
;
1135 cfg80211_put_dev(dev
);
1142 static int nl80211_get_station(struct sk_buff
*skb
, struct genl_info
*info
)
1144 struct cfg80211_registered_device
*drv
;
1146 struct net_device
*dev
;
1147 struct station_info sinfo
;
1148 struct sk_buff
*msg
;
1149 u8
*mac_addr
= NULL
;
1151 memset(&sinfo
, 0, sizeof(sinfo
));
1153 if (!info
->attrs
[NL80211_ATTR_MAC
])
1156 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1158 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1162 if (!drv
->ops
->get_station
) {
1168 err
= drv
->ops
->get_station(&drv
->wiphy
, dev
, mac_addr
, &sinfo
);
1174 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
1178 if (nl80211_send_station(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1179 dev
, mac_addr
, &sinfo
) < 0)
1182 err
= genlmsg_unicast(msg
, info
->snd_pid
);
1189 cfg80211_put_dev(drv
);
1195 * Get vlan interface making sure it is on the right wiphy.
1197 static int get_vlan(struct nlattr
*vlanattr
,
1198 struct cfg80211_registered_device
*rdev
,
1199 struct net_device
**vlan
)
1204 *vlan
= dev_get_by_index(&init_net
, nla_get_u32(vlanattr
));
1207 if (!(*vlan
)->ieee80211_ptr
)
1209 if ((*vlan
)->ieee80211_ptr
->wiphy
!= &rdev
->wiphy
)
1215 static int nl80211_set_station(struct sk_buff
*skb
, struct genl_info
*info
)
1217 struct cfg80211_registered_device
*drv
;
1219 struct net_device
*dev
;
1220 struct station_parameters params
;
1221 u8
*mac_addr
= NULL
;
1223 memset(¶ms
, 0, sizeof(params
));
1225 params
.listen_interval
= -1;
1227 if (info
->attrs
[NL80211_ATTR_STA_AID
])
1230 if (!info
->attrs
[NL80211_ATTR_MAC
])
1233 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1235 if (info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]) {
1236 params
.supported_rates
=
1237 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
1238 params
.supported_rates_len
=
1239 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
1242 if (info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
1243 params
.listen_interval
=
1244 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
1246 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
1248 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
1250 if (parse_station_flags(info
->attrs
[NL80211_ATTR_STA_FLAGS
],
1251 ¶ms
.station_flags
))
1254 if (info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
])
1255 params
.plink_action
=
1256 nla_get_u8(info
->attrs
[NL80211_ATTR_STA_PLINK_ACTION
]);
1258 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1262 err
= get_vlan(info
->attrs
[NL80211_ATTR_STA_VLAN
], drv
, ¶ms
.vlan
);
1266 if (!drv
->ops
->change_station
) {
1272 err
= drv
->ops
->change_station(&drv
->wiphy
, dev
, mac_addr
, ¶ms
);
1277 dev_put(params
.vlan
);
1278 cfg80211_put_dev(drv
);
1283 static int nl80211_new_station(struct sk_buff
*skb
, struct genl_info
*info
)
1285 struct cfg80211_registered_device
*drv
;
1287 struct net_device
*dev
;
1288 struct station_parameters params
;
1289 u8
*mac_addr
= NULL
;
1291 memset(¶ms
, 0, sizeof(params
));
1293 if (!info
->attrs
[NL80211_ATTR_MAC
])
1296 if (!info
->attrs
[NL80211_ATTR_STA_AID
])
1299 if (!info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
])
1302 if (!info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
])
1305 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1306 params
.supported_rates
=
1307 nla_data(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
1308 params
.supported_rates_len
=
1309 nla_len(info
->attrs
[NL80211_ATTR_STA_SUPPORTED_RATES
]);
1310 params
.listen_interval
=
1311 nla_get_u16(info
->attrs
[NL80211_ATTR_STA_LISTEN_INTERVAL
]);
1312 params
.aid
= nla_get_u16(info
->attrs
[NL80211_ATTR_STA_AID
]);
1313 if (info
->attrs
[NL80211_ATTR_HT_CAPABILITY
])
1315 nla_data(info
->attrs
[NL80211_ATTR_HT_CAPABILITY
]);
1317 if (parse_station_flags(info
->attrs
[NL80211_ATTR_STA_FLAGS
],
1318 ¶ms
.station_flags
))
1321 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1325 err
= get_vlan(info
->attrs
[NL80211_ATTR_STA_VLAN
], drv
, ¶ms
.vlan
);
1329 if (!drv
->ops
->add_station
) {
1335 err
= drv
->ops
->add_station(&drv
->wiphy
, dev
, mac_addr
, ¶ms
);
1340 dev_put(params
.vlan
);
1341 cfg80211_put_dev(drv
);
1346 static int nl80211_del_station(struct sk_buff
*skb
, struct genl_info
*info
)
1348 struct cfg80211_registered_device
*drv
;
1350 struct net_device
*dev
;
1351 u8
*mac_addr
= NULL
;
1353 if (info
->attrs
[NL80211_ATTR_MAC
])
1354 mac_addr
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1356 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1360 if (!drv
->ops
->del_station
) {
1366 err
= drv
->ops
->del_station(&drv
->wiphy
, dev
, mac_addr
);
1370 cfg80211_put_dev(drv
);
1375 static int nl80211_send_mpath(struct sk_buff
*msg
, u32 pid
, u32 seq
,
1376 int flags
, struct net_device
*dev
,
1377 u8
*dst
, u8
*next_hop
,
1378 struct mpath_info
*pinfo
)
1381 struct nlattr
*pinfoattr
;
1383 hdr
= nl80211hdr_put(msg
, pid
, seq
, flags
, NL80211_CMD_NEW_STATION
);
1387 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1388 NLA_PUT(msg
, NL80211_ATTR_MAC
, ETH_ALEN
, dst
);
1389 NLA_PUT(msg
, NL80211_ATTR_MPATH_NEXT_HOP
, ETH_ALEN
, next_hop
);
1391 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MPATH_INFO
);
1393 goto nla_put_failure
;
1394 if (pinfo
->filled
& MPATH_INFO_FRAME_QLEN
)
1395 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_FRAME_QLEN
,
1397 if (pinfo
->filled
& MPATH_INFO_DSN
)
1398 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_DSN
,
1400 if (pinfo
->filled
& MPATH_INFO_METRIC
)
1401 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_METRIC
,
1403 if (pinfo
->filled
& MPATH_INFO_EXPTIME
)
1404 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_EXPTIME
,
1406 if (pinfo
->filled
& MPATH_INFO_FLAGS
)
1407 NLA_PUT_U8(msg
, NL80211_MPATH_INFO_FLAGS
,
1409 if (pinfo
->filled
& MPATH_INFO_DISCOVERY_TIMEOUT
)
1410 NLA_PUT_U32(msg
, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT
,
1411 pinfo
->discovery_timeout
);
1412 if (pinfo
->filled
& MPATH_INFO_DISCOVERY_RETRIES
)
1413 NLA_PUT_U8(msg
, NL80211_MPATH_INFO_DISCOVERY_RETRIES
,
1414 pinfo
->discovery_retries
);
1416 nla_nest_end(msg
, pinfoattr
);
1418 return genlmsg_end(msg
, hdr
);
1421 genlmsg_cancel(msg
, hdr
);
1425 static int nl80211_dump_mpath(struct sk_buff
*skb
,
1426 struct netlink_callback
*cb
)
1428 struct mpath_info pinfo
;
1429 struct cfg80211_registered_device
*dev
;
1430 struct net_device
*netdev
;
1432 u8 next_hop
[ETH_ALEN
];
1433 int ifidx
= cb
->args
[0];
1434 int path_idx
= cb
->args
[1];
1438 err
= nlmsg_parse(cb
->nlh
, GENL_HDRLEN
+ nl80211_fam
.hdrsize
,
1439 nl80211_fam
.attrbuf
, nl80211_fam
.maxattr
,
1444 if (!nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
])
1447 ifidx
= nla_get_u32(nl80211_fam
.attrbuf
[NL80211_ATTR_IFINDEX
]);
1452 netdev
= dev_get_by_index(&init_net
, ifidx
);
1456 dev
= cfg80211_get_dev_from_ifindex(ifidx
);
1459 goto out_put_netdev
;
1462 if (!dev
->ops
->dump_mpath
) {
1470 err
= dev
->ops
->dump_mpath(&dev
->wiphy
, netdev
, path_idx
,
1471 dst
, next_hop
, &pinfo
);
1477 if (nl80211_send_mpath(skb
, NETLINK_CB(cb
->skb
).pid
,
1478 cb
->nlh
->nlmsg_seq
, NLM_F_MULTI
,
1479 netdev
, dst
, next_hop
,
1488 cb
->args
[1] = path_idx
;
1493 cfg80211_put_dev(dev
);
1500 static int nl80211_get_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
1502 struct cfg80211_registered_device
*drv
;
1504 struct net_device
*dev
;
1505 struct mpath_info pinfo
;
1506 struct sk_buff
*msg
;
1508 u8 next_hop
[ETH_ALEN
];
1510 memset(&pinfo
, 0, sizeof(pinfo
));
1512 if (!info
->attrs
[NL80211_ATTR_MAC
])
1515 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1517 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1521 if (!drv
->ops
->get_mpath
) {
1527 err
= drv
->ops
->get_mpath(&drv
->wiphy
, dev
, dst
, next_hop
, &pinfo
);
1533 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
1537 if (nl80211_send_mpath(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1538 dev
, dst
, next_hop
, &pinfo
) < 0)
1541 err
= genlmsg_unicast(msg
, info
->snd_pid
);
1548 cfg80211_put_dev(drv
);
1553 static int nl80211_set_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
1555 struct cfg80211_registered_device
*drv
;
1557 struct net_device
*dev
;
1559 u8
*next_hop
= NULL
;
1561 if (!info
->attrs
[NL80211_ATTR_MAC
])
1564 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
1567 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1568 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
1570 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1574 if (!drv
->ops
->change_mpath
) {
1580 err
= drv
->ops
->change_mpath(&drv
->wiphy
, dev
, dst
, next_hop
);
1584 cfg80211_put_dev(drv
);
1588 static int nl80211_new_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
1590 struct cfg80211_registered_device
*drv
;
1592 struct net_device
*dev
;
1594 u8
*next_hop
= NULL
;
1596 if (!info
->attrs
[NL80211_ATTR_MAC
])
1599 if (!info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
])
1602 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1603 next_hop
= nla_data(info
->attrs
[NL80211_ATTR_MPATH_NEXT_HOP
]);
1605 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1609 if (!drv
->ops
->add_mpath
) {
1615 err
= drv
->ops
->add_mpath(&drv
->wiphy
, dev
, dst
, next_hop
);
1619 cfg80211_put_dev(drv
);
1624 static int nl80211_del_mpath(struct sk_buff
*skb
, struct genl_info
*info
)
1626 struct cfg80211_registered_device
*drv
;
1628 struct net_device
*dev
;
1631 if (info
->attrs
[NL80211_ATTR_MAC
])
1632 dst
= nla_data(info
->attrs
[NL80211_ATTR_MAC
]);
1634 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1638 if (!drv
->ops
->del_mpath
) {
1644 err
= drv
->ops
->del_mpath(&drv
->wiphy
, dev
, dst
);
1648 cfg80211_put_dev(drv
);
1653 static int nl80211_set_bss(struct sk_buff
*skb
, struct genl_info
*info
)
1655 struct cfg80211_registered_device
*drv
;
1657 struct net_device
*dev
;
1658 struct bss_parameters params
;
1660 memset(¶ms
, 0, sizeof(params
));
1661 /* default to not changing parameters */
1662 params
.use_cts_prot
= -1;
1663 params
.use_short_preamble
= -1;
1664 params
.use_short_slot_time
= -1;
1666 if (info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
])
1667 params
.use_cts_prot
=
1668 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_CTS_PROT
]);
1669 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
])
1670 params
.use_short_preamble
=
1671 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_PREAMBLE
]);
1672 if (info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
])
1673 params
.use_short_slot_time
=
1674 nla_get_u8(info
->attrs
[NL80211_ATTR_BSS_SHORT_SLOT_TIME
]);
1675 if (info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]) {
1676 params
.basic_rates
=
1677 nla_data(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
1678 params
.basic_rates_len
=
1679 nla_len(info
->attrs
[NL80211_ATTR_BSS_BASIC_RATES
]);
1682 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1686 if (!drv
->ops
->change_bss
) {
1692 err
= drv
->ops
->change_bss(&drv
->wiphy
, dev
, ¶ms
);
1696 cfg80211_put_dev(drv
);
1701 static const struct nla_policy
1702 reg_rule_policy
[NL80211_REG_RULE_ATTR_MAX
+ 1] = {
1703 [NL80211_ATTR_REG_RULE_FLAGS
] = { .type
= NLA_U32
},
1704 [NL80211_ATTR_FREQ_RANGE_START
] = { .type
= NLA_U32
},
1705 [NL80211_ATTR_FREQ_RANGE_END
] = { .type
= NLA_U32
},
1706 [NL80211_ATTR_FREQ_RANGE_MAX_BW
] = { .type
= NLA_U32
},
1707 [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
] = { .type
= NLA_U32
},
1708 [NL80211_ATTR_POWER_RULE_MAX_EIRP
] = { .type
= NLA_U32
},
1711 static int parse_reg_rule(struct nlattr
*tb
[],
1712 struct ieee80211_reg_rule
*reg_rule
)
1714 struct ieee80211_freq_range
*freq_range
= ®_rule
->freq_range
;
1715 struct ieee80211_power_rule
*power_rule
= ®_rule
->power_rule
;
1717 if (!tb
[NL80211_ATTR_REG_RULE_FLAGS
])
1719 if (!tb
[NL80211_ATTR_FREQ_RANGE_START
])
1721 if (!tb
[NL80211_ATTR_FREQ_RANGE_END
])
1723 if (!tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
])
1725 if (!tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
])
1728 reg_rule
->flags
= nla_get_u32(tb
[NL80211_ATTR_REG_RULE_FLAGS
]);
1730 freq_range
->start_freq_khz
=
1731 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_START
]);
1732 freq_range
->end_freq_khz
=
1733 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_END
]);
1734 freq_range
->max_bandwidth_khz
=
1735 nla_get_u32(tb
[NL80211_ATTR_FREQ_RANGE_MAX_BW
]);
1737 power_rule
->max_eirp
=
1738 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_EIRP
]);
1740 if (tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
])
1741 power_rule
->max_antenna_gain
=
1742 nla_get_u32(tb
[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN
]);
1747 static int nl80211_req_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
1752 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
1755 data
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
1757 #ifdef CONFIG_WIRELESS_OLD_REGULATORY
1758 /* We ignore world regdom requests with the old regdom setup */
1759 if (is_world_regdom(data
))
1762 mutex_lock(&cfg80211_drv_mutex
);
1763 r
= __regulatory_hint(NULL
, REGDOM_SET_BY_USER
, data
, 0, ENVIRON_ANY
);
1764 mutex_unlock(&cfg80211_drv_mutex
);
1768 static int nl80211_get_mesh_params(struct sk_buff
*skb
,
1769 struct genl_info
*info
)
1771 struct cfg80211_registered_device
*drv
;
1772 struct mesh_config cur_params
;
1774 struct net_device
*dev
;
1776 struct nlattr
*pinfoattr
;
1777 struct sk_buff
*msg
;
1779 /* Look up our device */
1780 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1784 /* Get the mesh params */
1786 err
= drv
->ops
->get_mesh_params(&drv
->wiphy
, dev
, &cur_params
);
1791 /* Draw up a netlink message to send back */
1792 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
1797 hdr
= nl80211hdr_put(msg
, info
->snd_pid
, info
->snd_seq
, 0,
1798 NL80211_CMD_GET_MESH_PARAMS
);
1800 goto nla_put_failure
;
1801 pinfoattr
= nla_nest_start(msg
, NL80211_ATTR_MESH_PARAMS
);
1803 goto nla_put_failure
;
1804 NLA_PUT_U32(msg
, NL80211_ATTR_IFINDEX
, dev
->ifindex
);
1805 NLA_PUT_U16(msg
, NL80211_MESHCONF_RETRY_TIMEOUT
,
1806 cur_params
.dot11MeshRetryTimeout
);
1807 NLA_PUT_U16(msg
, NL80211_MESHCONF_CONFIRM_TIMEOUT
,
1808 cur_params
.dot11MeshConfirmTimeout
);
1809 NLA_PUT_U16(msg
, NL80211_MESHCONF_HOLDING_TIMEOUT
,
1810 cur_params
.dot11MeshHoldingTimeout
);
1811 NLA_PUT_U16(msg
, NL80211_MESHCONF_MAX_PEER_LINKS
,
1812 cur_params
.dot11MeshMaxPeerLinks
);
1813 NLA_PUT_U8(msg
, NL80211_MESHCONF_MAX_RETRIES
,
1814 cur_params
.dot11MeshMaxRetries
);
1815 NLA_PUT_U8(msg
, NL80211_MESHCONF_TTL
,
1816 cur_params
.dot11MeshTTL
);
1817 NLA_PUT_U8(msg
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
,
1818 cur_params
.auto_open_plinks
);
1819 NLA_PUT_U8(msg
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
1820 cur_params
.dot11MeshHWMPmaxPREQretries
);
1821 NLA_PUT_U32(msg
, NL80211_MESHCONF_PATH_REFRESH_TIME
,
1822 cur_params
.path_refresh_time
);
1823 NLA_PUT_U16(msg
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
1824 cur_params
.min_discovery_timeout
);
1825 NLA_PUT_U32(msg
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
1826 cur_params
.dot11MeshHWMPactivePathTimeout
);
1827 NLA_PUT_U16(msg
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
1828 cur_params
.dot11MeshHWMPpreqMinInterval
);
1829 NLA_PUT_U16(msg
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1830 cur_params
.dot11MeshHWMPnetDiameterTraversalTime
);
1831 nla_nest_end(msg
, pinfoattr
);
1832 genlmsg_end(msg
, hdr
);
1833 err
= genlmsg_unicast(msg
, info
->snd_pid
);
1837 genlmsg_cancel(msg
, hdr
);
1841 cfg80211_put_dev(drv
);
1846 #define FILL_IN_MESH_PARAM_IF_SET(table, cfg, param, mask, attr_num, nla_fn) \
1848 if (table[attr_num]) {\
1849 cfg.param = nla_fn(table[attr_num]); \
1850 mask |= (1 << (attr_num - 1)); \
1854 static struct nla_policy
1855 nl80211_meshconf_params_policy
[NL80211_MESHCONF_ATTR_MAX
+1] __read_mostly
= {
1856 [NL80211_MESHCONF_RETRY_TIMEOUT
] = { .type
= NLA_U16
},
1857 [NL80211_MESHCONF_CONFIRM_TIMEOUT
] = { .type
= NLA_U16
},
1858 [NL80211_MESHCONF_HOLDING_TIMEOUT
] = { .type
= NLA_U16
},
1859 [NL80211_MESHCONF_MAX_PEER_LINKS
] = { .type
= NLA_U16
},
1860 [NL80211_MESHCONF_MAX_RETRIES
] = { .type
= NLA_U8
},
1861 [NL80211_MESHCONF_TTL
] = { .type
= NLA_U8
},
1862 [NL80211_MESHCONF_AUTO_OPEN_PLINKS
] = { .type
= NLA_U8
},
1864 [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
] = { .type
= NLA_U8
},
1865 [NL80211_MESHCONF_PATH_REFRESH_TIME
] = { .type
= NLA_U32
},
1866 [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
] = { .type
= NLA_U16
},
1867 [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
] = { .type
= NLA_U32
},
1868 [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
] = { .type
= NLA_U16
},
1869 [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
] = { .type
= NLA_U16
},
1872 static int nl80211_set_mesh_params(struct sk_buff
*skb
, struct genl_info
*info
)
1876 struct cfg80211_registered_device
*drv
;
1877 struct net_device
*dev
;
1878 struct mesh_config cfg
;
1879 struct nlattr
*tb
[NL80211_MESHCONF_ATTR_MAX
+ 1];
1880 struct nlattr
*parent_attr
;
1882 parent_attr
= info
->attrs
[NL80211_ATTR_MESH_PARAMS
];
1885 if (nla_parse_nested(tb
, NL80211_MESHCONF_ATTR_MAX
,
1886 parent_attr
, nl80211_meshconf_params_policy
))
1889 err
= get_drv_dev_by_info_ifindex(info
->attrs
, &drv
, &dev
);
1893 /* This makes sure that there aren't more than 32 mesh config
1894 * parameters (otherwise our bitfield scheme would not work.) */
1895 BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX
> 32);
1897 /* Fill in the params struct */
1899 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshRetryTimeout
,
1900 mask
, NL80211_MESHCONF_RETRY_TIMEOUT
, nla_get_u16
);
1901 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshConfirmTimeout
,
1902 mask
, NL80211_MESHCONF_CONFIRM_TIMEOUT
, nla_get_u16
);
1903 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHoldingTimeout
,
1904 mask
, NL80211_MESHCONF_HOLDING_TIMEOUT
, nla_get_u16
);
1905 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxPeerLinks
,
1906 mask
, NL80211_MESHCONF_MAX_PEER_LINKS
, nla_get_u16
);
1907 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshMaxRetries
,
1908 mask
, NL80211_MESHCONF_MAX_RETRIES
, nla_get_u8
);
1909 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshTTL
,
1910 mask
, NL80211_MESHCONF_TTL
, nla_get_u8
);
1911 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, auto_open_plinks
,
1912 mask
, NL80211_MESHCONF_AUTO_OPEN_PLINKS
, nla_get_u8
);
1913 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPmaxPREQretries
,
1914 mask
, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES
,
1916 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, path_refresh_time
,
1917 mask
, NL80211_MESHCONF_PATH_REFRESH_TIME
, nla_get_u32
);
1918 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, min_discovery_timeout
,
1919 mask
, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT
,
1921 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPactivePathTimeout
,
1922 mask
, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT
,
1924 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
, dot11MeshHWMPpreqMinInterval
,
1925 mask
, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL
,
1927 FILL_IN_MESH_PARAM_IF_SET(tb
, cfg
,
1928 dot11MeshHWMPnetDiameterTraversalTime
,
1929 mask
, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME
,
1934 err
= drv
->ops
->set_mesh_params(&drv
->wiphy
, dev
, &cfg
, mask
);
1938 cfg80211_put_dev(drv
);
1943 #undef FILL_IN_MESH_PARAM_IF_SET
1945 static int nl80211_set_reg(struct sk_buff
*skb
, struct genl_info
*info
)
1947 struct nlattr
*tb
[NL80211_REG_RULE_ATTR_MAX
+ 1];
1948 struct nlattr
*nl_reg_rule
;
1949 char *alpha2
= NULL
;
1950 int rem_reg_rules
= 0, r
= 0;
1951 u32 num_rules
= 0, rule_idx
= 0, size_of_regd
;
1952 struct ieee80211_regdomain
*rd
= NULL
;
1954 if (!info
->attrs
[NL80211_ATTR_REG_ALPHA2
])
1957 if (!info
->attrs
[NL80211_ATTR_REG_RULES
])
1960 alpha2
= nla_data(info
->attrs
[NL80211_ATTR_REG_ALPHA2
]);
1962 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
1965 if (num_rules
> NL80211_MAX_SUPP_REG_RULES
)
1969 if (!reg_is_valid_request(alpha2
))
1972 size_of_regd
= sizeof(struct ieee80211_regdomain
) +
1973 (num_rules
* sizeof(struct ieee80211_reg_rule
));
1975 rd
= kzalloc(size_of_regd
, GFP_KERNEL
);
1979 rd
->n_reg_rules
= num_rules
;
1980 rd
->alpha2
[0] = alpha2
[0];
1981 rd
->alpha2
[1] = alpha2
[1];
1983 nla_for_each_nested(nl_reg_rule
, info
->attrs
[NL80211_ATTR_REG_RULES
],
1985 nla_parse(tb
, NL80211_REG_RULE_ATTR_MAX
,
1986 nla_data(nl_reg_rule
), nla_len(nl_reg_rule
),
1988 r
= parse_reg_rule(tb
, &rd
->reg_rules
[rule_idx
]);
1994 if (rule_idx
> NL80211_MAX_SUPP_REG_RULES
)
1998 BUG_ON(rule_idx
!= num_rules
);
2000 mutex_lock(&cfg80211_drv_mutex
);
2002 mutex_unlock(&cfg80211_drv_mutex
);
2010 static struct genl_ops nl80211_ops
[] = {
2012 .cmd
= NL80211_CMD_GET_WIPHY
,
2013 .doit
= nl80211_get_wiphy
,
2014 .dumpit
= nl80211_dump_wiphy
,
2015 .policy
= nl80211_policy
,
2016 /* can be retrieved by unprivileged users */
2019 .cmd
= NL80211_CMD_SET_WIPHY
,
2020 .doit
= nl80211_set_wiphy
,
2021 .policy
= nl80211_policy
,
2022 .flags
= GENL_ADMIN_PERM
,
2025 .cmd
= NL80211_CMD_GET_INTERFACE
,
2026 .doit
= nl80211_get_interface
,
2027 .dumpit
= nl80211_dump_interface
,
2028 .policy
= nl80211_policy
,
2029 /* can be retrieved by unprivileged users */
2032 .cmd
= NL80211_CMD_SET_INTERFACE
,
2033 .doit
= nl80211_set_interface
,
2034 .policy
= nl80211_policy
,
2035 .flags
= GENL_ADMIN_PERM
,
2038 .cmd
= NL80211_CMD_NEW_INTERFACE
,
2039 .doit
= nl80211_new_interface
,
2040 .policy
= nl80211_policy
,
2041 .flags
= GENL_ADMIN_PERM
,
2044 .cmd
= NL80211_CMD_DEL_INTERFACE
,
2045 .doit
= nl80211_del_interface
,
2046 .policy
= nl80211_policy
,
2047 .flags
= GENL_ADMIN_PERM
,
2050 .cmd
= NL80211_CMD_GET_KEY
,
2051 .doit
= nl80211_get_key
,
2052 .policy
= nl80211_policy
,
2053 .flags
= GENL_ADMIN_PERM
,
2056 .cmd
= NL80211_CMD_SET_KEY
,
2057 .doit
= nl80211_set_key
,
2058 .policy
= nl80211_policy
,
2059 .flags
= GENL_ADMIN_PERM
,
2062 .cmd
= NL80211_CMD_NEW_KEY
,
2063 .doit
= nl80211_new_key
,
2064 .policy
= nl80211_policy
,
2065 .flags
= GENL_ADMIN_PERM
,
2068 .cmd
= NL80211_CMD_DEL_KEY
,
2069 .doit
= nl80211_del_key
,
2070 .policy
= nl80211_policy
,
2071 .flags
= GENL_ADMIN_PERM
,
2074 .cmd
= NL80211_CMD_SET_BEACON
,
2075 .policy
= nl80211_policy
,
2076 .flags
= GENL_ADMIN_PERM
,
2077 .doit
= nl80211_addset_beacon
,
2080 .cmd
= NL80211_CMD_NEW_BEACON
,
2081 .policy
= nl80211_policy
,
2082 .flags
= GENL_ADMIN_PERM
,
2083 .doit
= nl80211_addset_beacon
,
2086 .cmd
= NL80211_CMD_DEL_BEACON
,
2087 .policy
= nl80211_policy
,
2088 .flags
= GENL_ADMIN_PERM
,
2089 .doit
= nl80211_del_beacon
,
2092 .cmd
= NL80211_CMD_GET_STATION
,
2093 .doit
= nl80211_get_station
,
2094 .dumpit
= nl80211_dump_station
,
2095 .policy
= nl80211_policy
,
2096 .flags
= GENL_ADMIN_PERM
,
2099 .cmd
= NL80211_CMD_SET_STATION
,
2100 .doit
= nl80211_set_station
,
2101 .policy
= nl80211_policy
,
2102 .flags
= GENL_ADMIN_PERM
,
2105 .cmd
= NL80211_CMD_NEW_STATION
,
2106 .doit
= nl80211_new_station
,
2107 .policy
= nl80211_policy
,
2108 .flags
= GENL_ADMIN_PERM
,
2111 .cmd
= NL80211_CMD_DEL_STATION
,
2112 .doit
= nl80211_del_station
,
2113 .policy
= nl80211_policy
,
2114 .flags
= GENL_ADMIN_PERM
,
2117 .cmd
= NL80211_CMD_GET_MPATH
,
2118 .doit
= nl80211_get_mpath
,
2119 .dumpit
= nl80211_dump_mpath
,
2120 .policy
= nl80211_policy
,
2121 .flags
= GENL_ADMIN_PERM
,
2124 .cmd
= NL80211_CMD_SET_MPATH
,
2125 .doit
= nl80211_set_mpath
,
2126 .policy
= nl80211_policy
,
2127 .flags
= GENL_ADMIN_PERM
,
2130 .cmd
= NL80211_CMD_NEW_MPATH
,
2131 .doit
= nl80211_new_mpath
,
2132 .policy
= nl80211_policy
,
2133 .flags
= GENL_ADMIN_PERM
,
2136 .cmd
= NL80211_CMD_DEL_MPATH
,
2137 .doit
= nl80211_del_mpath
,
2138 .policy
= nl80211_policy
,
2139 .flags
= GENL_ADMIN_PERM
,
2142 .cmd
= NL80211_CMD_SET_BSS
,
2143 .doit
= nl80211_set_bss
,
2144 .policy
= nl80211_policy
,
2145 .flags
= GENL_ADMIN_PERM
,
2148 .cmd
= NL80211_CMD_SET_REG
,
2149 .doit
= nl80211_set_reg
,
2150 .policy
= nl80211_policy
,
2151 .flags
= GENL_ADMIN_PERM
,
2154 .cmd
= NL80211_CMD_REQ_SET_REG
,
2155 .doit
= nl80211_req_set_reg
,
2156 .policy
= nl80211_policy
,
2157 .flags
= GENL_ADMIN_PERM
,
2160 .cmd
= NL80211_CMD_GET_MESH_PARAMS
,
2161 .doit
= nl80211_get_mesh_params
,
2162 .policy
= nl80211_policy
,
2163 /* can be retrieved by unprivileged users */
2166 .cmd
= NL80211_CMD_SET_MESH_PARAMS
,
2167 .doit
= nl80211_set_mesh_params
,
2168 .policy
= nl80211_policy
,
2169 .flags
= GENL_ADMIN_PERM
,
2173 /* multicast groups */
2174 static struct genl_multicast_group nl80211_config_mcgrp
= {
2178 /* notification functions */
2180 void nl80211_notify_dev_rename(struct cfg80211_registered_device
*rdev
)
2182 struct sk_buff
*msg
;
2184 msg
= nlmsg_new(NLMSG_GOODSIZE
, GFP_KERNEL
);
2188 if (nl80211_send_wiphy(msg
, 0, 0, 0, rdev
) < 0) {
2193 genlmsg_multicast(msg
, 0, nl80211_config_mcgrp
.id
, GFP_KERNEL
);
2196 /* initialisation/exit functions */
2198 int nl80211_init(void)
2202 err
= genl_register_family(&nl80211_fam
);
2206 for (i
= 0; i
< ARRAY_SIZE(nl80211_ops
); i
++) {
2207 err
= genl_register_ops(&nl80211_fam
, &nl80211_ops
[i
]);
2212 err
= genl_register_mc_group(&nl80211_fam
, &nl80211_config_mcgrp
);
2218 genl_unregister_family(&nl80211_fam
);
2222 void nl80211_exit(void)
2224 genl_unregister_family(&nl80211_fam
);