[unix-history] / usr / src / sys / netns / sp.h

/*
 * Copyright (c) 1984, 1985, 1986, 1987 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that the above copyright notice and this paragraph are
 * duplicated in all such forms and that any documentation,
 * advertising materials, and other materials related to such
 * distribution and use acknowledge that the software was developed
 * by the University of California, Berkeley.  The name of the
 * University may not be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *	@(#)sp.h	7.3 (Berkeley) %G%
 */

/*
 * 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 */
};
Commit	Line	Data
8ae0e4b4	1	/*
240edf1f KS	2	* Copyright (c) 1984, 1985, 1986, 1987 Regents of the University of California.
240edf1f KS	3	* All rights reserved.
8ae0e4b4	4	*
240edf1f	5	* Redistribution and use in source and binary forms are permitted
616d42db KB	6	* provided that the above copyright notice and this paragraph are
	7	* duplicated in all such forms and that any documentation,
	8	* advertising materials, and other materials related to such
	9	* distribution and use acknowledge that the software was developed
	10	* by the University of California, Berkeley. The name of the
	11	* University may not be used to endorse or promote products derived
	12	* from this software without specific prior written permission.
	13	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
	14	* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
	15	* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
240edf1f	16	*
616d42db	17	* @(#)sp.h 7.3 (Berkeley) %G%
8ae0e4b4	18	*/
8bcb7440 KS	19
	20	/*
	21	* Definitions for Xerox NS style sequenced packet protocol
	22	*/
	23
	24	struct sphdr {
	25	u_char sp_cc; /* connection control */
	26	u_char sp_dt; /* datastream type */
	27	#define SP_SP 0x80 /* system packet */
	28	#define SP_SA 0x40 /* send acknowledgement */
	29	#define SP_OB 0x20 /* attention (out of band data) */
	30	#define SP_EM 0x10 /* end of message */
	31	u_short sp_sid; /* source connection identifier */
	32	u_short sp_did; /* destination connection identifier */
	33	u_short sp_seq; /* sequence number */
	34	u_short sp_ack; /* acknowledge number */
	35	u_short sp_alo; /* allocation number */
	36	};