/*
 ******************************************************************************
 *                     HEADER FILE
 *
 *     Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: tcp.h,v $ $Revision: 1.1.1.1 $
 *     $Source: /home/interpeak/CVSRoot/ipxinc/include/netinet/tcp.h,v $
 *     $Author: lob $ $Date: 2004-08-19 08:55:27 $
 *     $State: Exp $ $Locker:  $
 *
 *   Copyright Interpeak AB 2000-2003 <www.interpeak.se>. All rights reserved.
 *        Design and implementation by Firstname Lastname <email@interpeak.se>
 ******************************************************************************
 */
#ifndef IP_NETINET_TCP_H
#define IP_NETINET_TCP_H

/*
 ****************************************************************************
 * 1                    DESCRIPTION
 ****************************************************************************
 */

/*
 ****************************************************************************
 * 2                    CONFIGURATION
 ****************************************************************************
 */

#include "ipcom_config.h"

/*
 ****************************************************************************
 * 3                    INCLUDE FILES
 ****************************************************************************
 */

#include "sys/types.h"

#include "ipcom_sock.h"

#ifdef __cplusplus
extern "C" {
#endif

/*
 ****************************************************************************
 * 4                    DEFINES
 ****************************************************************************
 */

/*
 * User-settable options (used with setsockopt).
 */
#define	TCP_NODELAY	IP_TCP_NODELAY	/* don't delay send to coalesce packets */
#define	TCP_MAXSEG	0x02	/* NOT supported: set maximum segment size */


/*
 ****************************************************************************
 * 5                    TYPES
 ****************************************************************************
 */

typedef u_int32_t tcp_seq;

/* TCP Protocol Header [RFC793] */
struct tcphdr 
{
	Ip_u16	th_sport;		/* source port */
	Ip_u16	th_dport;		/* destination port */
	tcp_seq	th_seq;		    /* sequence number */
	tcp_seq	th_ack;		    /* acknowledgement number */
#ifdef IP_LITTLE_ENDIAN
	Ip_u32  th_x2:4,		/* data offset */
		    th_off:4;		/* (unused) */
#elif defined(IP_BIG_ENDIAN)
	Ip_u32  th_off:4,		/* data offset */
		    th_x2:4;		/* (unused) */
#else
#error ENDIAN_NOT_DEFINED
#endif
	Ip_u8	th_flags;
#define	TH_FIN	0x01
#define	TH_SYN	0x02
#define	TH_RST	0x04
#define	TH_PUSH	0x08
#define	TH_ACK	0x10
#define	TH_URG	0x20
	Ip_u16	th_win;			/* window */
	Ip_u16	th_sum;			/* checksum */
	Ip_u16  th_urp;			/* urgent pointer */
};

#ifdef __cplusplus
}
#endif

#endif

/*
 ****************************************************************************
 *                      END OF FILE
 ****************************************************************************
 */