LXR linux/include/uapi/linux/netfilter/xt

   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.h>
  10#include <linux/netfilter/nf_conntrack_tuple_common.h>
  11
  12#define XT_CONNTRACK_STATE_BIT(ctinfo) (1 << ((ctinfo)%IP_CT_IS_REPLY+1))
  13#define XT_CONNTRACK_STATE_INVALID (1 << 0)
  14
  15#define XT_CONNTRACK_STATE_SNAT (1 << (IP_CT_NUMBER + 1))
  16#define XT_CONNTRACK_STATE_DNAT (1 << (IP_CT_NUMBER + 2))
  17#define XT_CONNTRACK_STATE_UNTRACKED (1 << (IP_CT_NUMBER + 3))
  18
  19/* flags, invflags: */
  20enum {
  21        XT_CONNTRACK_STATE        = 1 << 0,
  22        XT_CONNTRACK_PROTO        = 1 << 1,
  23        XT_CONNTRACK_ORIGSRC      = 1 << 2,
  24        XT_CONNTRACK_ORIGDST      = 1 << 3,
  25        XT_CONNTRACK_REPLSRC      = 1 << 4,
  26        XT_CONNTRACK_REPLDST      = 1 << 5,
  27        XT_CONNTRACK_STATUS       = 1 << 6,
  28        XT_CONNTRACK_EXPIRES      = 1 << 7,
  29        XT_CONNTRACK_ORIGSRC_PORT = 1 << 8,
  30        XT_CONNTRACK_ORIGDST_PORT = 1 << 9,
  31        XT_CONNTRACK_REPLSRC_PORT = 1 << 10,
  32        XT_CONNTRACK_REPLDST_PORT = 1 << 11,
  33        XT_CONNTRACK_DIRECTION    = 1 << 12,
  34        XT_CONNTRACK_STATE_ALIAS  = 1 << 13,
  35};
  36
  37struct xt_conntrack_mtinfo1 {
  38        union nf_inet_addr origsrc_addr, origsrc_mask;
  39        union nf_inet_addr origdst_addr, origdst_mask;
  40        union nf_inet_addr replsrc_addr, replsrc_mask;
  41        union nf_inet_addr repldst_addr, repldst_mask;
  42        __u32 expires_min, expires_max;
  43        __u16 l4proto;
  44        __be16 origsrc_port, origdst_port;
  45        __be16 replsrc_port, repldst_port;
  46        __u16 match_flags, invert_flags;
  47        __u8 state_mask, status_mask;
  48};
  49
  50struct xt_conntrack_mtinfo2 {
  51        union nf_inet_addr origsrc_addr, origsrc_mask;
  52        union nf_inet_addr origdst_addr, origdst_mask;
  53        union nf_inet_addr replsrc_addr, replsrc_mask;
  54        union nf_inet_addr repldst_addr, repldst_mask;
  55        __u32 expires_min, expires_max;
  56        __u16 l4proto;
  57        __be16 origsrc_port, origdst_port;
  58        __be16 replsrc_port, repldst_port;
  59        __u16 match_flags, invert_flags;
  60        __u16 state_mask, status_mask;
  61};
  62
  63struct xt_conntrack_mtinfo3 {
  64        union nf_inet_addr origsrc_addr, origsrc_mask;
  65        union nf_inet_addr origdst_addr, origdst_mask;
  66        union nf_inet_addr replsrc_addr, replsrc_mask;
  67        union nf_inet_addr repldst_addr, repldst_mask;
  68        __u32 expires_min, expires_max;
  69        __u16 l4proto;
  70        __u16 origsrc_port, origdst_port;
  71        __u16 replsrc_port, repldst_port;
  72        __u16 match_flags, invert_flags;
  73        __u16 state_mask, status_mask;
  74        __u16 origsrc_port_high, origdst_port_high;
  75        __u16 replsrc_port_high, repldst_port_high;
  76};
  77
  78#endif /*_XT_CONNTRACK_H*/
  79