1/*
2 * Definitions that user level programs might need to know to interact
3 * with serial line IP (slip) lines.
4 *
5 * @(#) $Header: /tcpdump/master/tcpdump/slip.h,v 1.1 2000-10-09 01:53:21 guy Exp $
6 *
7 * Copyright (c) 1990 Regents of the University of California.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms are permitted
11 * provided that the above copyright notice and this paragraph are
12 * duplicated in all such forms and that any documentation,
13 * advertising materials, and other materials related to such
14 * distribution and use acknowledge that the software was developed
15 * by the University of California, Berkeley.  The name of the
16 * University may not be used to endorse or promote products derived
17 * from this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
20 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
21 */
22
23/*
24 * definitions of the pseudo- link-level header attached to slip
25 * packets grabbed by the packet filter (bpf) traffic monitor.
26 */
27#define SLIP_HDRLEN 16
28
29#define SLX_DIR 0
30#define SLX_CHDR 1
31#define CHDR_LEN 15
32
33#define SLIPDIR_IN 0
34#define SLIPDIR_OUT 1
35