#ifndef _NF_CONNTRACK_TUPLE_COMMON_H

#define _NF_CONNTRACK_TUPLE_COMMON_H

#include <linux/types.h>

enum ip_conntrack_dir {

	IP_CT_DIR_ORIGINAL,

	IP_CT_DIR_REPLY,

	IP_CT_DIR_MAX

};

/* The protocol-specific manipulable parts of the tuple: always in

 * network order

 */

union nf_conntrack_man_proto {

	/* Add other protocols here. */

	__be16 all;

	struct {

		__be16 port;

	} tcp;

	struct {

		__be16 port;

	} udp;

	struct {

		__be16 id;

	} icmp;

	struct {

		__be16 port;

	} dccp;

	struct {

		__be16 port;

	} sctp;

	struct {

		__be16 key;	/* GRE key is 32bit, PPtP only uses 16bit */

	} gre;

};

#define CTINFO2DIR(ctinfo) ((ctinfo) >= IP_CT_IS_REPLY ? IP_CT_DIR_REPLY : IP_CT_DIR_ORIGINAL)

#endif /* _NF_CONNTRACK_TUPLE_COMMON_H */