/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _NF_CONNTRACK_TUPLE_COMMON_H
#define _NF_CONNTRACK_TUPLE_COMMON_H
#include <linux/types.h>
#include <linux/netfilter.h>
#include <linux/netfilter/nf_conntrack_common.h> /* IP_CT_IS_REPLY */
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 */