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7f8a436e JS |
1 | /* |
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 | ||
19 | struct ovs_conntrack_info; | |
20 | enum ovs_key_attr; | |
21 | ||
22 | #if defined(CONFIG_OPENVSWITCH_CONNTRACK) | |
c2ac6673 JS |
23 | void ovs_ct_init(struct net *); |
24 | void ovs_ct_exit(struct net *); | |
25 | bool ovs_ct_verify(struct net *, enum ovs_key_attr attr); | |
7f8a436e JS |
26 | int ovs_ct_copy_action(struct net *, const struct nlattr *, |
27 | const struct sw_flow_key *, struct sw_flow_actions **, | |
28 | bool log); | |
29 | int ovs_ct_action_to_attr(const struct ovs_conntrack_info *, struct sk_buff *); | |
30 | ||
31 | int ovs_ct_execute(struct net *, struct sk_buff *, struct sw_flow_key *, | |
32 | const struct ovs_conntrack_info *); | |
33 | ||
34 | void ovs_ct_fill_key(const struct sk_buff *skb, struct sw_flow_key *key); | |
35 | int ovs_ct_put_key(const struct sw_flow_key *key, struct sk_buff *skb); | |
36 | void ovs_ct_free_action(const struct nlattr *a); | |
37 | #else | |
38 | #include <linux/errno.h> | |
39 | ||
c2ac6673 JS |
40 | static inline void ovs_ct_init(struct net *net) { } |
41 | ||
42 | static inline void ovs_ct_exit(struct net *net) { } | |
43 | ||
44 | static inline bool ovs_ct_verify(struct net *net, int attr) | |
7f8a436e JS |
45 | { |
46 | return false; | |
47 | } | |
48 | ||
49 | static 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 | ||
56 | static inline int ovs_ct_action_to_attr(const struct ovs_conntrack_info *info, | |
57 | struct sk_buff *skb) | |
58 | { | |
59 | return -ENOTSUPP; | |
60 | } | |
61 | ||
62 | static 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 | ||
69 | static 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; | |
182e3042 | 74 | key->ct.mark = 0; |
c2ac6673 | 75 | memset(&key->ct.label, 0, sizeof(key->ct.label)); |
7f8a436e JS |
76 | } |
77 | ||
78 | static inline int ovs_ct_put_key(const struct sw_flow_key *key, | |
79 | struct sk_buff *skb) | |
80 | { | |
81 | return 0; | |
82 | } | |
83 | ||
84 | static inline void ovs_ct_free_action(const struct nlattr *a) { } | |
85 | #endif | |
86 | #endif /* ovs_conntrack.h */ |