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#ifndef _XT_POLICY_H

#define _XT_POLICY_H

#include <linux/types.h>

#define XT_POLICY_MAX_ELEM      4

enum xt_policy_flags {

        XT_POLICY_MATCH_IN      = 0x1,

        XT_POLICY_MATCH_OUT     = 0x2,

        XT_POLICY_MATCH_NONE    = 0x4,

        XT_POLICY_MATCH_STRICT  = 0x8,

};

enum xt_policy_modes {

        XT_POLICY_MODE_TRANSPORT,

        XT_POLICY_MODE_TUNNEL

};

struct xt_policy_spec {

        __u8    saddr:1,

                        daddr:1,

                        proto:1,

                        mode:1,

                        spi:1,

                        reqid:1;

};

union xt_policy_addr {

        struct in_addr  a4;

        struct in6_addr a6;

};

struct xt_policy_elem {

        union {

                struct {

                        union xt_policy_addr saddr;

                        union xt_policy_addr smask;

                        union xt_policy_addr daddr;

                        union xt_policy_addr dmask;

                };

        };

        __be32                  spi;

        __u32           reqid;

        __u8            proto;

        __u8            mode;

        struct xt_policy_spec   match;

        struct xt_policy_spec   invert;

};

struct xt_policy_info {

        struct xt_policy_elem pol[XT_POLICY_MAX_ELEM];

        __u16 flags;

        __u16 len;

};

#endif /* _XT_POLICY_H */