]>
git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - net/openvswitch/conntrack.h
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 static inline bool ovs_ct_state_supported(u32 state
)
40 return !(state
& ~(OVS_CS_F_NEW
| OVS_CS_F_ESTABLISHED
|
41 OVS_CS_F_RELATED
| OVS_CS_F_REPLY_DIR
|
42 OVS_CS_F_INVALID
| OVS_CS_F_TRACKED
));
45 #include <linux/errno.h>
47 static inline void ovs_ct_init(struct net
*net
) { }
49 static inline void ovs_ct_exit(struct net
*net
) { }
51 static inline bool ovs_ct_verify(struct net
*net
, int attr
)
56 static inline bool ovs_ct_state_supported(u32 state
)
61 static inline int ovs_ct_copy_action(struct net
*net
, const struct nlattr
*nla
,
62 const struct sw_flow_key
*key
,
63 struct sw_flow_actions
**acts
, bool log
)
68 static inline int ovs_ct_action_to_attr(const struct ovs_conntrack_info
*info
,
74 static inline int ovs_ct_execute(struct net
*net
, struct sk_buff
*skb
,
75 struct sw_flow_key
*key
,
76 const struct ovs_conntrack_info
*info
)
81 static inline void ovs_ct_fill_key(const struct sk_buff
*skb
,
82 struct sw_flow_key
*key
)
87 memset(&key
->ct
.labels
, 0, sizeof(key
->ct
.labels
));
90 static inline int ovs_ct_put_key(const struct sw_flow_key
*key
,
96 static inline void ovs_ct_free_action(const struct nlattr
*a
) { }
97 #endif /* CONFIG_NF_CONNTRACK */
98 #endif /* ovs_conntrack.h */