Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//usr/include/linux/netfilter/xt_dccp.h

 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _XT_DCCP_H_
#define _XT_DCCP_H_

#include <linux/types.h>

#define XT_DCCP_SRC_PORTS	        0x01
#define XT_DCCP_DEST_PORTS	        0x02
#define XT_DCCP_TYPE			0x04
#define XT_DCCP_OPTION			0x08

#define XT_DCCP_VALID_FLAGS		0x0f

struct xt_dccp_info {
	__u16 dpts[2];  /* Min, Max */
	__u16 spts[2];  /* Min, Max */

	__u16 flags;
	__u16 invflags;

	__u16 typemask;
	__u8 option;
};

#endif /* _XT_DCCP_H_ */