net/openvswitch/conntrack.h

Source file repositories/reference/linux-study-clean/net/openvswitch/conntrack.h

File Facts

System
Linux kernel
Corpus path
net/openvswitch/conntrack.h
Extension
.h
Size
2857 bytes
Lines
107
Domain
Networking Core
Bucket
Sockets, Protocols, Packet Path, And Network Policy
Inferred role
Networking Core: implementation source
Status
source implementation candidate

Why This File Exists

Networking stack implementation surface: socket APIs, protocol dispatch, packet flow, routing, filtering, and network namespaces.

Dependency Surface

Detected Declarations

Annotated Snippet

static inline int ovs_ct_init(struct net *net) { return 0; }

static inline void ovs_ct_exit(struct net *net) { }

static inline bool ovs_ct_verify(struct net *net, 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)
{
	kfree_skb(skb);
	return -ENOTSUPP;
}

static inline int ovs_ct_clear(struct sk_buff *skb,
			       struct sw_flow_key *key)
{
	return -ENOTSUPP;
}

static inline void ovs_ct_fill_key(const struct sk_buff *skb,
				   struct sw_flow_key *key,
				   bool post_ct)
{
	key->ct_state = 0;
	key->ct_zone = 0;
	key->ct.mark = 0;
	memset(&key->ct.labels, 0, sizeof(key->ct.labels));
	/* Clear 'ct_orig_proto' to mark the non-existence of original
	 * direction key fields.
	 */
	key->ct_orig_proto = 0;
}

static inline int ovs_ct_put_key(const struct sw_flow_key *swkey,
				 const struct sw_flow_key *output,
				 struct sk_buff *skb)
{
	return 0;
}

static inline void ovs_ct_free_action(const struct nlattr *a) { }

#define CT_SUPPORTED_MASK 0
#endif /* CONFIG_NF_CONNTRACK */

#if IS_ENABLED(CONFIG_NETFILTER_CONNCOUNT)
extern struct genl_family dp_ct_limit_genl_family;
#endif
#endif /* ovs_conntrack.h */

Annotation

Implementation Notes