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106 lines
2.8 KiB
106 lines
2.8 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright (c) 2015 Nicira, Inc. |
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*/ |
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#ifndef OVS_CONNTRACK_H |
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#define OVS_CONNTRACK_H 1 |
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#include "flow.h" |
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struct ovs_conntrack_info; |
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struct ovs_ct_limit_info; |
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enum ovs_key_attr; |
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#if IS_ENABLED(CONFIG_NF_CONNTRACK) |
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int ovs_ct_init(struct net *); |
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void ovs_ct_exit(struct net *); |
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bool ovs_ct_verify(struct net *, enum ovs_key_attr attr); |
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int ovs_ct_copy_action(struct net *, const struct nlattr *, |
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const struct sw_flow_key *, struct sw_flow_actions **, |
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bool log); |
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int ovs_ct_action_to_attr(const struct ovs_conntrack_info *, struct sk_buff *); |
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int ovs_ct_execute(struct net *, struct sk_buff *, struct sw_flow_key *, |
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const struct ovs_conntrack_info *); |
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int ovs_ct_clear(struct sk_buff *skb, struct sw_flow_key *key); |
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void ovs_ct_fill_key(const struct sk_buff *skb, struct sw_flow_key *key, |
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bool post_ct); |
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int ovs_ct_put_key(const struct sw_flow_key *swkey, |
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const struct sw_flow_key *output, struct sk_buff *skb); |
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void ovs_ct_free_action(const struct nlattr *a); |
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#define CT_SUPPORTED_MASK (OVS_CS_F_NEW | OVS_CS_F_ESTABLISHED | \ |
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OVS_CS_F_RELATED | OVS_CS_F_REPLY_DIR | \ |
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OVS_CS_F_INVALID | OVS_CS_F_TRACKED | \ |
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OVS_CS_F_SRC_NAT | OVS_CS_F_DST_NAT) |
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#else |
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#include <linux/errno.h> |
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static inline int ovs_ct_init(struct net *net) { return 0; } |
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static inline void ovs_ct_exit(struct net *net) { } |
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static inline bool ovs_ct_verify(struct net *net, int attr) |
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{ |
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return false; |
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} |
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static inline int ovs_ct_copy_action(struct net *net, const struct nlattr *nla, |
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const struct sw_flow_key *key, |
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struct sw_flow_actions **acts, bool log) |
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{ |
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return -ENOTSUPP; |
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} |
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static inline int ovs_ct_action_to_attr(const struct ovs_conntrack_info *info, |
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struct sk_buff *skb) |
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{ |
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return -ENOTSUPP; |
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} |
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static inline int ovs_ct_execute(struct net *net, struct sk_buff *skb, |
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struct sw_flow_key *key, |
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const struct ovs_conntrack_info *info) |
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{ |
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kfree_skb(skb); |
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return -ENOTSUPP; |
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} |
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static inline int ovs_ct_clear(struct sk_buff *skb, |
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struct sw_flow_key *key) |
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{ |
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return -ENOTSUPP; |
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} |
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static inline void ovs_ct_fill_key(const struct sk_buff *skb, |
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struct sw_flow_key *key, |
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bool post_ct) |
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{ |
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key->ct_state = 0; |
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key->ct_zone = 0; |
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key->ct.mark = 0; |
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memset(&key->ct.labels, 0, sizeof(key->ct.labels)); |
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/* Clear 'ct_orig_proto' to mark the non-existence of original |
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* direction key fields. |
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*/ |
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key->ct_orig_proto = 0; |
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} |
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static inline int ovs_ct_put_key(const struct sw_flow_key *swkey, |
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const struct sw_flow_key *output, |
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struct sk_buff *skb) |
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{ |
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return 0; |
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} |
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static inline void ovs_ct_free_action(const struct nlattr *a) { } |
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#define CT_SUPPORTED_MASK 0 |
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#endif /* CONFIG_NF_CONNTRACK */ |
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#if IS_ENABLED(CONFIG_NETFILTER_CONNCOUNT) |
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extern struct genl_family dp_ct_limit_genl_family; |
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#endif |
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#endif /* ovs_conntrack.h */
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