LXR linux/include/linux/netfilter/xt

   1#ifndef _XT_POLICY_H
   2#define _XT_POLICY_H
   3
   4#include <linux/types.h>
   5
   6#define XT_POLICY_MAX_ELEM      4
   7
   8enum xt_policy_flags
   9{
  10        XT_POLICY_MATCH_IN      = 0x1,
  11        XT_POLICY_MATCH_OUT     = 0x2,
  12        XT_POLICY_MATCH_NONE    = 0x4,
  13        XT_POLICY_MATCH_STRICT  = 0x8,
  14};
  15
  16enum xt_policy_modes
  17{
  18        XT_POLICY_MODE_TRANSPORT,
  19        XT_POLICY_MODE_TUNNEL
  20};
  21
  22struct xt_policy_spec
  23{
  24        __u8    saddr:1,
  25                        daddr:1,
  26                        proto:1,
  27                        mode:1,
  28                        spi:1,
  29                        reqid:1;
  30};
  31
  32#ifndef __KERNEL__
  33union xt_policy_addr
  34{
  35        struct in_addr  a4;
  36        struct in6_addr a6;
  37};
  38#endif
  39
  40struct xt_policy_elem
  41{
  42        union {
  43#ifdef __KERNEL__
  44                struct {
  45                        union nf_inet_addr saddr;
  46                        union nf_inet_addr smask;
  47                        union nf_inet_addr daddr;
  48                        union nf_inet_addr dmask;
  49                };
  50#else
  51                struct {
  52                        union xt_policy_addr saddr;
  53                        union xt_policy_addr smask;
  54                        union xt_policy_addr daddr;
  55                        union xt_policy_addr dmask;
  56                };
  57#endif
  58        };
  59        __be32                  spi;
  60        __u32           reqid;
  61        __u8            proto;
  62        __u8            mode;
  63
  64        struct xt_policy_spec   match;
  65        struct xt_policy_spec   invert;
  66};
  67
  68struct xt_policy_info
  69{
  70        struct xt_policy_elem pol[XT_POLICY_MAX_ELEM];
  71        __u16 flags;
  72        __u16 len;
  73};
  74
  75#endif /* _XT_POLICY_H */
  76