[deliverable/linux.git] / net / netfilter / xt_TRACE.c

/* 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_action_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);
Commit	Line	Data
	1	/* This is a module which is used to mark packets for tracing.
	2	*/
	3	#include <linux/module.h>
	4	#include <linux/skbuff.h>
	5
	6	#include <linux/netfilter/x_tables.h>
	7
	8	MODULE_DESCRIPTION("Xtables: packet flow tracing");
	9	MODULE_LICENSE("GPL");
	10	MODULE_ALIAS("ipt_TRACE");
	11	MODULE_ALIAS("ip6t_TRACE");
	12
	13	static unsigned int
	14	trace_tg(struct sk_buff skb, const struct xt_action_param par)
	15	{
	16	skb->nf_trace = 1;
	17	return XT_CONTINUE;
	18	}
	19
	20	static struct xt_target trace_tg_reg __read_mostly = {
	21	.name = "TRACE",
	22	.revision = 0,
	23	.family = NFPROTO_UNSPEC,
	24	.table = "raw",
	25	.target = trace_tg,
	26	.me = THIS_MODULE,
	27	};
	28
	29	static int __init trace_tg_init(void)
	30	{
	31	return xt_register_target(&trace_tg_reg);
	32	}
	33
	34	static void __exit trace_tg_exit(void)
	35	{
	36	xt_unregister_target(&trace_tg_reg);
	37	}
	38
	39	module_init(trace_tg_init);
	40	module_exit(trace_tg_exit);