[unix-history] / usr / src / sys / hp300 / include / remote-sl.h

/*-
 * Copyright (c) 1991 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Steven McCanne of Lawrence Berkeley Laboratory.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)remote-sl.h	7.3 (Berkeley) %G%
 *
 * $Header: remote-sl.h,v 1.3 91/03/22 15:34:27 mccanne Exp $ (LBL)
 */

#define FRAME_END		0xc0		/* Frame End */
#define FRAME_ESCAPE		0xdb		/* Frame Esc */
#define TRANS_FRAME_END		0xdc		/* transposed frame end */
#define TRANS_FRAME_ESCAPE	0xdd		/* transposed frame esc */

/*
 * Error codes.
 */
#define EKGDB_CSUM	1
#define EKGDB_2BIG	2
#define EKGDB_RUNT	3

/*
 * Message limits.  SL_MAXMSG is the longest message that can be passed
 * down to the serial link.  The actual MTU is two times the max message
 * (since each byte might be escaped), plus the two framing bytes.  We add 
 * two to the message length to account for the type byte and check sum.
 * SL_BUFSIZE is one character larger than SL_MAXMSG so we can stuff
 * a checksum into the input buffer without special casing.
 */
#define SL_MAXMSG 64
#define SL_BUFSIZE (SL_MAXMSG + 1)
#define SL_MTU ((2 * (SL_MAXMSG + 2) + 2))
Commit	Line	Data
ca6d6ca3 KB	1	/*-
ca6d6ca3 KB	2	* Copyright (c) 1991 The Regents of the University of California.
314bc72b MK	3	* All rights reserved.
314bc72b MK	4	*
ca6d6ca3 KB	5	* This code is derived from software contributed to Berkeley by
	6	* Steven McCanne of Lawrence Berkeley Laboratory.
	7	*
	8	* %sccs.include.redist.c%
	9	*
	10	* @(#)remote-sl.h 7.3 (Berkeley) %G%
314bc72b	11	*
ca6d6ca3	12	* $Header: remote-sl.h,v 1.3 91/03/22 15:34:27 mccanne Exp $ (LBL)
314bc72b MK	13	*/
	14
	15	#define FRAME_END 0xc0 /* Frame End */
	16	#define FRAME_ESCAPE 0xdb /* Frame Esc */
	17	#define TRANS_FRAME_END 0xdc /* transposed frame end */
	18	#define TRANS_FRAME_ESCAPE 0xdd /* transposed frame esc */
	19
	20	/*
	21	* Error codes.
	22	*/
	23	#define EKGDB_CSUM 1
	24	#define EKGDB_2BIG 2
	25	#define EKGDB_RUNT 3
	26
	27	/*
	28	* Message limits. SL_MAXMSG is the longest message that can be passed
	29	* down to the serial link. The actual MTU is two times the max message
9302c5ba MK	30	* (since each byte might be escaped), plus the two framing bytes. We add
	31	* two to the message length to account for the type byte and check sum.
	32	* SL_BUFSIZE is one character larger than SL_MAXMSG so we can stuff
	33	* a checksum into the input buffer without special casing.
314bc72b MK	34	*/
314bc72b MK	35	#define SL_MAXMSG 64
9302c5ba MK	36	#define SL_BUFSIZE (SL_MAXMSG + 1)
9302c5ba MK	37	#define SL_MTU ((2 * (SL_MAXMSG + 2) + 2))
314bc72b	38