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