Home | History | Annotate | Download | only in tcpdump
      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