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#ifndef _XT_TCPUDP_H

#define _XT_TCPUDP_H

#include <linux/types.h>

/* TCP matching stuff */

struct xt_tcp {

        __u16 spts[2];                  /* Source port range. */

        __u16 dpts[2];                  /* Destination port range. */

        __u8 option;                    /* TCP Option iff non-zero*/

        __u8 flg_mask;                  /* TCP flags mask byte */

        __u8 flg_cmp;                   /* TCP flags compare byte */

        __u8 invflags;                  /* Inverse flags */

};

/* Values for "inv" field in struct ipt_tcp. */

#define XT_TCP_INV_SRCPT        0x01    /* Invert the sense of source ports. */

#define XT_TCP_INV_DSTPT        0x02    /* Invert the sense of dest ports. */

#define XT_TCP_INV_FLAGS        0x04    /* Invert the sense of TCP flags. */

#define XT_TCP_INV_OPTION       0x08    /* Invert the sense of option test. */

#define XT_TCP_INV_MASK         0x0F    /* All possible flags. */

/* UDP matching stuff */

struct xt_udp {

        __u16 spts[2];                  /* Source port range. */

        __u16 dpts[2];                  /* Destination port range. */

        __u8 invflags;                  /* Inverse flags */

};

/* Values for "invflags" field in struct ipt_udp. */

#define XT_UDP_INV_SRCPT        0x01    /* Invert the sense of source ports. */

#define XT_UDP_INV_DSTPT        0x02    /* Invert the sense of dest ports. */

#define XT_UDP_INV_MASK 0x03    /* All possible flags. */

#endif