linux/include/uapi/linux/netfilter/nf_conntrack_common.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _UAPI_NF_CONNTRACK_COMMON_H
#define _UAPI_NF_CONNTRACK_COMMON_H
/* Connection state tracking for netfilter.  This is separated from,
   but required by, the NAT layer; it can also be used by an iptables
   extension. */
enum ip_conntrack_info { … };

#define NF_CT_STATE_INVALID_BIT …
#define NF_CT_STATE_BIT(ctinfo) …
#define NF_CT_STATE_UNTRACKED_BIT …

/* Bitset representing status of connection. */
enum ip_conntrack_status { … };

/* Connection tracking event types */
enum ip_conntrack_events { … };

enum ip_conntrack_expect_events { … };

/* expectation flags */
#define NF_CT_EXPECT_PERMANENT …
#define NF_CT_EXPECT_INACTIVE …
#define NF_CT_EXPECT_USERSPACE …


#endif /* _UAPI_NF_CONNTRACK_COMMON_H */