| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef _CONNTRACK_PROTO_GRE_H |
| 3 | #define _CONNTRACK_PROTO_GRE_H |
| 4 | #include <asm/byteorder.h> |
| 5 | #include <net/gre.h> |
| 6 | #include <net/pptp.h> |
| 7 | |
| 8 | struct nf_ct_gre { |
| 9 | unsigned int stream_timeout; |
| 10 | unsigned int timeout; |
| 11 | }; |
| 12 | |
| 13 | #include <net/netfilter/nf_conntrack_tuple.h> |
| 14 | |
| 15 | struct nf_conn; |
| 16 | |
| 17 | /* structure for original <-> reply keymap */ |
| 18 | struct nf_ct_gre_keymap { |
| 19 | struct list_head list; |
| 20 | struct nf_conntrack_tuple tuple; |
| 21 | struct rcu_head rcu; |
| 22 | }; |
| 23 | |
| 24 | /* add new tuple->key_reply pair to keymap */ |
| 25 | int nf_ct_gre_keymap_add(struct nf_conn *ct, enum ip_conntrack_dir dir, |
| 26 | struct nf_conntrack_tuple *t); |
| 27 | |
| 28 | /* delete keymap entries */ |
| 29 | void nf_ct_gre_keymap_destroy(struct nf_conn *ct); |
| 30 | |
| 31 | bool gre_pkt_to_tuple(const struct sk_buff *skb, unsigned int dataoff, |
| 32 | struct net *net, struct nf_conntrack_tuple *tuple); |
| 33 | #endif /* _CONNTRACK_PROTO_GRE_H */ |
| 34 |