root/include/uapi/linux/netfilter/xt_addrtype.h

#ifndef _XT_ADDRTYPE_H
#define _XT_ADDRTYPE_H

#include <linux/types.h>

enum {
        XT_ADDRTYPE_INVERT_SOURCE       = 0x0001,
        XT_ADDRTYPE_INVERT_DEST         = 0x0002,
        XT_ADDRTYPE_LIMIT_IFACE_IN      = 0x0004,
        XT_ADDRTYPE_LIMIT_IFACE_OUT     = 0x0008,
};


/* rtn_type enum values from rtnetlink.h, but shifted */
enum {
        XT_ADDRTYPE_UNSPEC = 1 << 0,
        XT_ADDRTYPE_UNICAST = 1 << 1,   /* 1 << RTN_UNICAST */
        XT_ADDRTYPE_LOCAL  = 1 << 2,    /* 1 << RTN_LOCAL, etc */
        XT_ADDRTYPE_BROADCAST = 1 << 3,
        XT_ADDRTYPE_ANYCAST = 1 << 4,
        XT_ADDRTYPE_MULTICAST = 1 << 5,
        XT_ADDRTYPE_BLACKHOLE = 1 << 6,
        XT_ADDRTYPE_UNREACHABLE = 1 << 7,
        XT_ADDRTYPE_PROHIBIT = 1 << 8,
        XT_ADDRTYPE_THROW = 1 << 9,
        XT_ADDRTYPE_NAT = 1 << 10,
        XT_ADDRTYPE_XRESOLVE = 1 << 11,
};

struct xt_addrtype_info_v1 {
        __u16   source;         /* source-type mask */
        __u16   dest;           /* dest-type mask */
        __u32   flags;
};

/* revision 0 */
struct xt_addrtype_info {
        __u16   source;         /* source-type mask */
        __u16   dest;           /* dest-type mask */
        __u32   invert_source;
        __u32   invert_dest;
};

#endif