Linux Kernel iMX6
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/*
* Copyright (c) 2015 Nicira, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef OVS_CONNTRACK_H
#define OVS_CONNTRACK_H 1
#include "flow.h"
struct ovs_conntrack_info;
enum ovs_key_attr;
#if defined(CONFIG_OPENVSWITCH_CONNTRACK)
bool ovs_ct_verify(enum ovs_key_attr attr);
int ovs_ct_copy_action(struct net *, const struct nlattr *,
const struct sw_flow_key *, struct sw_flow_actions **,
bool log);
int ovs_ct_action_to_attr(const struct ovs_conntrack_info *, struct sk_buff *);
int ovs_ct_execute(struct net *, struct sk_buff *, struct sw_flow_key *,
const struct ovs_conntrack_info *);
void ovs_ct_fill_key(const struct sk_buff *skb, struct sw_flow_key *key);
int ovs_ct_put_key(const struct sw_flow_key *key, struct sk_buff *skb);
void ovs_ct_free_action(const struct nlattr *a);
#else
#include <linux/errno.h>
static inline bool ovs_ct_verify(int attr)
{
return false;
}
static inline int ovs_ct_copy_action(struct net *net, const struct nlattr *nla,
const struct sw_flow_key *key,
struct sw_flow_actions **acts, bool log)
{
return -ENOTSUPP;
}
static inline int ovs_ct_action_to_attr(const struct ovs_conntrack_info *info,
struct sk_buff *skb)
{
return -ENOTSUPP;
}
static inline int ovs_ct_execute(struct net *net, struct sk_buff *skb,
struct sw_flow_key *key,
const struct ovs_conntrack_info *info)
{
return -ENOTSUPP;
}
static inline void ovs_ct_fill_key(const struct sk_buff *skb,
struct sw_flow_key *key)
{
key->ct.state = 0;
key->ct.zone = 0;
}
static inline int ovs_ct_put_key(const struct sw_flow_key *key,
struct sk_buff *skb)
{
return 0;
}
static inline void ovs_ct_free_action(const struct nlattr *a) { }
#endif
#endif /* ovs_conntrack.h */