/*
 * 5799-WZQ (C) COPYRIGHT = NONE
 * LICENSED MATERIALS - PROPERTY OF IBM
 */
/* $Header:sp.h 12.0$ */
/* $ACIS:sp.h 12.0$ */
/* $Source: /ibm/acis/usr/sys/netns/RCS/sp.h,v $ */

#if !defined(lint) && !defined(LOCORE) && defined(RCS_HDRS)
static char *rcsidsp = "$Header:sp.h 12.0$";
#endif

/*
 * Copyright (c) 1984, 1986 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *	@(#)sp.h	7.1 (Berkeley) 6/5/86
 */

/*
 * Definitions for Xerox NS style sequenced packet protocol
 */

struct sphdr {
	u_char	sp_cc;		/* connection control */
	u_char	sp_dt;		/* datastream type */
#define	SP_SP	0x80		/* system packet */
#define	SP_SA	0x40		/* send acknowledgement */
#define	SP_OB	0x20		/* attention (out of band data) */
#define	SP_EM	0x10		/* end of message */
	u_short	sp_sid;		/* source connection identifier */
	u_short	sp_did;		/* destination connection identifier */
	u_short	sp_seq;		/* sequence number */
	u_short	sp_ack;		/* acknowledge number */
	u_short	sp_alo;		/* allocation number */
};
