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/* This is a module which is used to mark packets for tracing.
*/
#include <linux/module.h>
#include <linux/skbuff.h>
#include <linux/netfilter/x_tables.h>
MODULE_DESCRIPTION("Xtables: packet flow tracing");
MODULE_LICENSE("GPL");
MODULE_ALIAS("ipt_TRACE");
MODULE_ALIAS("ip6t_TRACE");
static unsigned int
trace_tg(struct sk_buff *skb, const struct xt_target_param *par)
{
skb->nf_trace = 1;
return XT_CONTINUE;
}
static struct xt_target trace_tg_reg __read_mostly = {
.name = "TRACE",
.revision = 0,
.family = NFPROTO_UNSPEC,
.table = "raw",
.target = trace_tg,
.me = THIS_MODULE,
};
static int __init trace_tg_init(void)
{
return xt_register_target(&trace_tg_reg);
}
static void __exit trace_tg_exit(void)
{
xt_unregister_target(&trace_tg_reg);
}
module_init(trace_tg_init);
module_exit(trace_tg_exit);
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