contrib/tcpdump/slip.h

   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