/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _NF_CONNTRACK_TUPLE_COMMON_H
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#define _NF_CONNTRACK_TUPLE_COMMON_H
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#include <linux/types.h>
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#ifndef __KERNEL__
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#include <linux/netfilter.h>
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#endif
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#include <linux/netfilter/nf_conntrack_common.h> /* IP_CT_IS_REPLY */
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enum ip_conntrack_dir {
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IP_CT_DIR_ORIGINAL,
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IP_CT_DIR_REPLY,
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IP_CT_DIR_MAX
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};
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/* The protocol-specific manipulable parts of the tuple: always in
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* network order
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*/
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union nf_conntrack_man_proto {
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/* Add other protocols here. */
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__be16 all;
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struct {
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__be16 port;
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} tcp;
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struct {
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__be16 port;
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} udp;
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struct {
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__be16 id;
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} icmp;
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struct {
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__be16 port;
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} dccp;
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struct {
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__be16 port;
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} sctp;
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struct {
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__be16 key; /* GRE key is 32bit, PPtP only uses 16bit */
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} gre;
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};
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#define CTINFO2DIR(ctinfo) ((ctinfo) >= IP_CT_IS_REPLY ? IP_CT_DIR_REPLY : IP_CT_DIR_ORIGINAL)
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#endif /* _NF_CONNTRACK_TUPLE_COMMON_H */
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