2 * Copyright (c) 2015 Nicira, Inc.
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.
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.
14 #ifndef OVS_CONNTRACK_H
15 #define OVS_CONNTRACK_H 1
19 struct ovs_conntrack_info;
22 #if IS_ENABLED(CONFIG_NF_CONNTRACK)
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);
26 int ovs_ct_copy_action(struct net *, const struct nlattr *,
27 const struct sw_flow_key *, struct sw_flow_actions **,
29 int ovs_ct_action_to_attr(const struct ovs_conntrack_info *, struct sk_buff *);
31 int ovs_ct_execute(struct net *, struct sk_buff *, struct sw_flow_key *,
32 const struct ovs_conntrack_info *);
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);
38 #include <linux/errno.h>
40 static inline void ovs_ct_init(struct net *net) { }
42 static inline void ovs_ct_exit(struct net *net) { }
44 static inline bool ovs_ct_verify(struct net *net, int attr)
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)
56 static inline int ovs_ct_action_to_attr(const struct ovs_conntrack_info *info,
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)
69 static inline void ovs_ct_fill_key(const struct sk_buff *skb,
70 struct sw_flow_key *key)
75 memset(&key->ct.label, 0, sizeof(key->ct.label));
78 static inline int ovs_ct_put_key(const struct sw_flow_key *key,
84 static inline void ovs_ct_free_action(const struct nlattr *a) { }
85 #endif /* CONFIG_NF_CONNTRACK */
86 #endif /* ovs_conntrack.h */