1 /* Header file for kernel module to match connection tracking information. 2 * GPL (C) 2001 Marc Boucher (marc@mbsi.ca). 3 */ 4 5 #ifndef _XT_CONNTRACK_H 6 #define _XT_CONNTRACK_H 7 8 #include <linux/types.h> 9 #include <linux/netfilter/nf_conntrack_tuple_common.h> 10 11 #define XT_CONNTRACK_STATE_BIT(ctinfo) (1 << ((ctinfo)%IP_CT_IS_REPLY+1)) 12 #define XT_CONNTRACK_STATE_INVALID (1 << 0) 13 14 #define XT_CONNTRACK_STATE_SNAT (1 << (IP_CT_NUMBER + 1)) 15 #define XT_CONNTRACK_STATE_DNAT (1 << (IP_CT_NUMBER + 2)) 16 #define XT_CONNTRACK_STATE_UNTRACKED (1 << (IP_CT_NUMBER + 3)) 17 18 /* flags, invflags: */ 19 enum { 20 XT_CONNTRACK_STATE = 1 << 0, 21 XT_CONNTRACK_PROTO = 1 << 1, 22 XT_CONNTRACK_ORIGSRC = 1 << 2, 23 XT_CONNTRACK_ORIGDST = 1 << 3, 24 XT_CONNTRACK_REPLSRC = 1 << 4, 25 XT_CONNTRACK_REPLDST = 1 << 5, 26 XT_CONNTRACK_STATUS = 1 << 6, 27 XT_CONNTRACK_EXPIRES = 1 << 7, 28 XT_CONNTRACK_ORIGSRC_PORT = 1 << 8, 29 XT_CONNTRACK_ORIGDST_PORT = 1 << 9, 30 XT_CONNTRACK_REPLSRC_PORT = 1 << 10, 31 XT_CONNTRACK_REPLDST_PORT = 1 << 11, 32 XT_CONNTRACK_DIRECTION = 1 << 12, 33 XT_CONNTRACK_STATE_ALIAS = 1 << 13, 34 }; 35 36 struct xt_conntrack_mtinfo1 { 37 union nf_inet_addr origsrc_addr, origsrc_mask; 38 union nf_inet_addr origdst_addr, origdst_mask; 39 union nf_inet_addr replsrc_addr, replsrc_mask; 40 union nf_inet_addr repldst_addr, repldst_mask; 41 __u32 expires_min, expires_max; 42 __u16 l4proto; 43 __be16 origsrc_port, origdst_port; 44 __be16 replsrc_port, repldst_port; 45 __u16 match_flags, invert_flags; 46 __u8 state_mask, status_mask; 47 }; 48 49 struct xt_conntrack_mtinfo2 { 50 union nf_inet_addr origsrc_addr, origsrc_mask; 51 union nf_inet_addr origdst_addr, origdst_mask; 52 union nf_inet_addr replsrc_addr, replsrc_mask; 53 union nf_inet_addr repldst_addr, repldst_mask; 54 __u32 expires_min, expires_max; 55 __u16 l4proto; 56 __be16 origsrc_port, origdst_port; 57 __be16 replsrc_port, repldst_port; 58 __u16 match_flags, invert_flags; 59 __u16 state_mask, status_mask; 60 }; 61 62 struct xt_conntrack_mtinfo3 { 63 union nf_inet_addr origsrc_addr, origsrc_mask; 64 union nf_inet_addr origdst_addr, origdst_mask; 65 union nf_inet_addr replsrc_addr, replsrc_mask; 66 union nf_inet_addr repldst_addr, repldst_mask; 67 __u32 expires_min, expires_max; 68 __u16 l4proto; 69 __u16 origsrc_port, origdst_port; 70 __u16 replsrc_port, repldst_port; 71 __u16 match_flags, invert_flags; 72 __u16 state_mask, status_mask; 73 __u16 origsrc_port_high, origdst_port_high; 74 __u16 replsrc_port_high, repldst_port_high; 75 }; 76 77 #endif /*_XT_CONNTRACK_H*/ 78