1 /* Header file for kernel module to match connection tracking information.
2 * GPL (C) 2001 Marc Boucher (marc@mbsi.ca).
5 #ifndef _IPT_CONNTRACK_H
6 #define _IPT_CONNTRACK_H
8 #define IPT_CONNTRACK_STATE_BIT(ctinfo) (1 << ((ctinfo)%IP_CT_IS_REPLY+1))
9 #define IPT_CONNTRACK_STATE_INVALID (1 << 0)
11 #define IPT_CONNTRACK_STATE_SNAT (1 << (IP_CT_NUMBER + 1))
12 #define IPT_CONNTRACK_STATE_DNAT (1 << (IP_CT_NUMBER + 2))
14 /* flags, invflags: */
15 #define IPT_CONNTRACK_STATE 0x01
16 #define IPT_CONNTRACK_PROTO 0x02
17 #define IPT_CONNTRACK_ORIGSRC 0x04
18 #define IPT_CONNTRACK_ORIGDST 0x08
19 #define IPT_CONNTRACK_REPLSRC 0x10
20 #define IPT_CONNTRACK_REPLDST 0x20
21 #define IPT_CONNTRACK_STATUS 0x40
22 #define IPT_CONNTRACK_EXPIRES 0x80
24 struct ipt_conntrack_info
26 unsigned int statemask, statusmask;
28 struct ip_conntrack_tuple tuple[IP_CT_DIR_MAX];
29 struct in_addr sipmsk[IP_CT_DIR_MAX], dipmsk[IP_CT_DIR_MAX];
31 unsigned long expires_min, expires_max;
38 #endif /*_IPT_CONNTRACK_H*/