/usr/include/linux/netfilter
Edit: /usr/include/linux/netfilter/xt_conntrack.h (2485B)
/* Header file for kernel module to match connection tracking information.
* GPL (C) 2001 Marc Boucher (marc@mbsi.ca).
*/
#ifndef _XT_CONNTRACK_H
#define _XT_CONNTRACK_H
#include
#include
#define XT_CONNTRACK_STATE_BIT(ctinfo) (1 << ((ctinfo)%IP_CT_IS_REPLY+1))
#define XT_CONNTRACK_STATE_INVALID (1 << 0)
#define XT_CONNTRACK_STATE_SNAT (1 << (IP_CT_NUMBER + 1))
#define XT_CONNTRACK_STATE_DNAT (1 << (IP_CT_NUMBER + 2))
#define XT_CONNTRACK_STATE_UNTRACKED (1 << (IP_CT_NUMBER + 3))
/* flags, invflags: */
enum {
XT_CONNTRACK_STATE = 1 << 0,
XT_CONNTRACK_PROTO = 1 << 1,
XT_CONNTRACK_ORIGSRC = 1 << 2,
XT_CONNTRACK_ORIGDST = 1 << 3,
XT_CONNTRACK_REPLSRC = 1 << 4,
XT_CONNTRACK_REPLDST = 1 << 5,
XT_CONNTRACK_STATUS = 1 << 6,
XT_CONNTRACK_EXPIRES = 1 << 7,
XT_CONNTRACK_ORIGSRC_PORT = 1 << 8,
XT_CONNTRACK_ORIGDST_PORT = 1 << 9,
XT_CONNTRACK_REPLSRC_PORT = 1 << 10,
XT_CONNTRACK_REPLDST_PORT = 1 << 11,
XT_CONNTRACK_DIRECTION = 1 << 12,
};
/* This is exposed to userspace, so remains frozen in time. */
struct ip_conntrack_old_tuple
{
struct {
__be32 ip;
union {
__u16 all;
} u;
} src;
struct {
__be32 ip;
union {
__u16 all;
} u;
/* The protocol. */
__u16 protonum;
} dst;
};
struct xt_conntrack_info
{
unsigned int statemask, statusmask;
struct ip_conntrack_old_tuple tuple[IP_CT_DIR_MAX];
struct in_addr sipmsk[IP_CT_DIR_MAX], dipmsk[IP_CT_DIR_MAX];
unsigned long expires_min, expires_max;
/* Flags word */
__u8 flags;
/* Inverse flags */
__u8 invflags;
};
struct xt_conntrack_mtinfo1 {
union nf_inet_addr origsrc_addr, origsrc_mask;
union nf_inet_addr origdst_addr, origdst_mask;
union nf_inet_addr replsrc_addr, replsrc_mask;
union nf_inet_addr repldst_addr, repldst_mask;
__u32 expires_min, expires_max;
__u16 l4proto;
__be16 origsrc_port, origdst_port;
__be16 replsrc_port, repldst_port;
__u16 match_flags, invert_flags;
__u8 state_mask, status_mask;
};
struct xt_conntrack_mtinfo2 {
union nf_inet_addr origsrc_addr, origsrc_mask;
union nf_inet_addr origdst_addr, origdst_mask;
union nf_inet_addr replsrc_addr, replsrc_mask;
union nf_inet_addr repldst_addr, repldst_mask;
__u32 expires_min, expires_max;
__u16 l4proto;
__be16 origsrc_port, origdst_port;
__be16 replsrc_port, repldst_port;
__u16 match_flags, invert_flags;
__u16 state_mask, status_mask;
};
#endif /*_XT_CONNTRACK_H*/