dist/tcpdump/slip.h

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