| /* 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; |
| }; |
| |
| #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; |
| struct rcu_head rcu; |
| }; |
| |
| /* 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); |
| |
| void nf_ct_gre_keymap_flush(struct net *net); |
| /* delete keymap entries */ |
| void nf_ct_gre_keymap_destroy(struct nf_conn *ct); |
| |
| bool gre_pkt_to_tuple(const struct sk_buff *skb, unsigned int dataoff, |
| struct net *net, struct nf_conntrack_tuple *tuple); |
| #endif /* _CONNTRACK_PROTO_GRE_H */ |