include/linux/netfilter/xt_conntrack.h

   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: */
  20 enum {
  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 };
  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*/