1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _CONNTRACK_PROTO_GRE_H
3 #define _CONNTRACK_PROTO_GRE_H
4 #include <asm/byteorder.h>
9 unsigned int stream_timeout;
14 #include <net/netfilter/nf_conntrack_tuple.h>
18 /* structure for original <-> reply keymap */
19 struct nf_ct_gre_keymap {
20 struct list_head list;
21 struct nf_conntrack_tuple tuple;
30 struct netns_proto_gre {
31 struct nf_proto_net nf;
33 struct list_head keymap_list;
34 unsigned int gre_timeouts[GRE_CT_MAX];
37 /* add new tuple->key_reply pair to keymap */
38 int nf_ct_gre_keymap_add(struct nf_conn *ct, enum ip_conntrack_dir dir,
39 struct nf_conntrack_tuple *t);
41 /* delete keymap entries */
42 void nf_ct_gre_keymap_destroy(struct nf_conn *ct);
44 void nf_nat_need_gre(void);
46 #endif /* __KERNEL__ */
47 #endif /* _CONNTRACK_PROTO_GRE_H */