5 * Bart De Schuymer <bdschuym@pandora.be>
11 /* The mark target can be used in any chain,
12 * I believe adding a mangle table just for marking is total overkill.
13 * Marking a frame doesn't really change anything in the frame anyway.
16 #include <linux/netfilter_bridge/ebtables.h>
17 #include <linux/netfilter_bridge/ebt_mark_t.h>
18 #include <linux/module.h>
20 static int ebt_target_mark(struct sk_buff
**pskb
, unsigned int hooknr
,
21 const struct net_device
*in
, const struct net_device
*out
,
22 const void *data
, unsigned int datalen
)
24 struct ebt_mark_t_info
*info
= (struct ebt_mark_t_info
*)data
;
26 if ((*pskb
)->nfmark
!= info
->mark
) {
27 (*pskb
)->nfmark
= info
->mark
;
28 (*pskb
)->nfcache
|= NFC_ALTERED
;
33 static int ebt_target_mark_check(const char *tablename
, unsigned int hookmask
,
34 const struct ebt_entry
*e
, void *data
, unsigned int datalen
)
36 struct ebt_mark_t_info
*info
= (struct ebt_mark_t_info
*)data
;
38 if (datalen
!= EBT_ALIGN(sizeof(struct ebt_mark_t_info
)))
40 if (BASE_CHAIN
&& info
->target
== EBT_RETURN
)
48 static struct ebt_target mark_target
=
50 .name
= EBT_MARK_TARGET
,
51 .target
= ebt_target_mark
,
52 .check
= ebt_target_mark_check
,
56 static int __init
init(void)
58 return ebt_register_target(&mark_target
);
61 static void __exit
fini(void)
63 ebt_unregister_target(&mark_target
);
68 MODULE_LICENSE("GPL");