blob: 43f5dd7a55774414aeb7aad8c0560db3e0596035 [file] [log] [blame]
Joe Stringer7f8a4362015-08-26 11:31:48 -07001/*
2 * Copyright (c) 2015 Nicira, Inc.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of version 2 of the GNU General Public
6 * License as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13
14#ifndef OVS_CONNTRACK_H
15#define OVS_CONNTRACK_H 1
16
17#include "flow.h"
18
19struct ovs_conntrack_info;
20enum ovs_key_attr;
21
Joe Stringerf88f69d2015-09-04 13:07:40 -070022#if IS_ENABLED(CONFIG_NF_CONNTRACK)
Joe Stringerc2ac6672015-08-26 11:31:52 -070023void ovs_ct_init(struct net *);
24void ovs_ct_exit(struct net *);
25bool ovs_ct_verify(struct net *, enum ovs_key_attr attr);
Joe Stringer7f8a4362015-08-26 11:31:48 -070026int ovs_ct_copy_action(struct net *, const struct nlattr *,
27 const struct sw_flow_key *, struct sw_flow_actions **,
28 bool log);
29int ovs_ct_action_to_attr(const struct ovs_conntrack_info *, struct sk_buff *);
30
31int ovs_ct_execute(struct net *, struct sk_buff *, struct sw_flow_key *,
32 const struct ovs_conntrack_info *);
33
34void ovs_ct_fill_key(const struct sk_buff *skb, struct sw_flow_key *key);
35int ovs_ct_put_key(const struct sw_flow_key *key, struct sk_buff *skb);
36void ovs_ct_free_action(const struct nlattr *a);
37#else
38#include <linux/errno.h>
39
Joe Stringerc2ac6672015-08-26 11:31:52 -070040static inline void ovs_ct_init(struct net *net) { }
41
42static inline void ovs_ct_exit(struct net *net) { }
43
44static inline bool ovs_ct_verify(struct net *net, int attr)
Joe Stringer7f8a4362015-08-26 11:31:48 -070045{
46 return false;
47}
48
49static inline int ovs_ct_copy_action(struct net *net, const struct nlattr *nla,
50 const struct sw_flow_key *key,
51 struct sw_flow_actions **acts, bool log)
52{
53 return -ENOTSUPP;
54}
55
56static inline int ovs_ct_action_to_attr(const struct ovs_conntrack_info *info,
57 struct sk_buff *skb)
58{
59 return -ENOTSUPP;
60}
61
62static inline int ovs_ct_execute(struct net *net, struct sk_buff *skb,
63 struct sw_flow_key *key,
64 const struct ovs_conntrack_info *info)
65{
66 return -ENOTSUPP;
67}
68
69static inline void ovs_ct_fill_key(const struct sk_buff *skb,
70 struct sw_flow_key *key)
71{
72 key->ct.state = 0;
73 key->ct.zone = 0;
Joe Stringer182e3042015-08-26 11:31:49 -070074 key->ct.mark = 0;
Joe Stringerc2ac6672015-08-26 11:31:52 -070075 memset(&key->ct.label, 0, sizeof(key->ct.label));
Joe Stringer7f8a4362015-08-26 11:31:48 -070076}
77
78static inline int ovs_ct_put_key(const struct sw_flow_key *key,
79 struct sk_buff *skb)
80{
81 return 0;
82}
83
84static inline void ovs_ct_free_action(const struct nlattr *a) { }
Joe Stringerf88f69d2015-09-04 13:07:40 -070085#endif /* CONFIG_NF_CONNTRACK */
Joe Stringer7f8a4362015-08-26 11:31:48 -070086#endif /* ovs_conntrack.h */