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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _CONNTRACK_PROTO_GRE_H
#define _CONNTRACK_PROTO_GRE_H
#include <asm/byteorder.h>
#include <net/gre.h>
#include <net/pptp.h>
struct nf_ct_gre {
unsigned int stream_timeout;
unsigned int timeout;
};
#ifdef __KERNEL__
#include <net/netfilter/nf_conntrack_tuple.h>
struct nf_conn;
/* structure for original <-> reply keymap */
struct nf_ct_gre_keymap {
struct list_head list;
struct nf_conntrack_tuple tuple;
};
/* add new tuple->key_reply pair to keymap */
int nf_ct_gre_keymap_add(struct nf_conn *ct, enum ip_conntrack_dir dir,
struct nf_conntrack_tuple *t);
/* delete keymap entries */
void nf_ct_gre_keymap_destroy(struct nf_conn *ct);
void nf_nat_need_gre(void);
#endif /* __KERNEL__ */
#endif /* _CONNTRACK_PROTO_GRE_H */
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