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#include <linux/version.h>
#if LINUX_VERSION_CODE == KERNEL_VERSION(2,6,18)
# define OLDKERNEL
#endif
#include <linux/module.h>
#include <linux/skbuff.h>
#ifndef OLDKERNEL
# include <linux/netfilter/x_tables.h>
#endif
#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netdevice.h>
#include "ebt_imq.h"
#ifdef OLDKERNEL
static int ebt_target_imq(struct sk_buff **pskb, unsigned int hooknr,
const struct net_device *in, const struct net_device *out,
const void *data, unsigned int datalen)
{
struct ebt_imq_info *info = (struct ebt_imq_info *) data;
(*pskb)->imq_flags = info->todev | IMQ_F_ENQUEUE;
return EBT_CONTINUE;
}
static int ebt_target_imq_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
{
return 0;
}
static struct ebt_target ebt_imq_target =
{
.name = EBT_IMQ_TARGET,
.target = ebt_target_imq,
.check = ebt_target_imq_check,
.me = THIS_MODULE,
};
static int __init ebt_imq_init(void)
{
return ebt_register_target(&ebt_imq_target);
}
static void __exit ebt_imq_fini(void)
{
ebt_unregister_target(&ebt_imq_target);
}
#else /* OLDKERNEL */
static unsigned int
ebt_imq_tg(struct sk_buff *skb, const struct xt_target_param *par)
{
const struct ebt_imq_info *info = par->targinfo;
if (!skb_make_writable(skb, 0))
return EBT_DROP;
skb->imq_flags = info->todev | IMQ_F_ENQUEUE;
return EBT_CONTINUE;
}
static bool ebt_imq_tg_check(const struct xt_tgchk_param *par)
{
return true;
}
static struct xt_target ebt_imq_target __read_mostly = {
.name = EBT_IMQ_TARGET,
.revision = 0,
.family = NFPROTO_BRIDGE,
.target = ebt_imq_tg,
.checkentry = ebt_imq_tg_check,
.targetsize = XT_ALIGN(sizeof(struct ebt_imq_info)),
.me = THIS_MODULE,
};
static int __init ebt_imq_init(void)
{
return xt_register_target(&ebt_imq_target);
}
static void __init ebt_imq_fini(void)
{
xt_unregister_target(&ebt_imq_target);
}
#endif /* OLDKERNEL */
module_init(ebt_imq_init);
module_exit(ebt_imq_fini);
MODULE_LICENSE("GPL");
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