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