The Tcpdump Group git mirrors - tcpdump/blob - appletalk.h

   1 /*
   2  * Copyright (c) 1988, 1989, 1990, 1993, 1994, 1995, 1996
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that: (1) source code distributions
   7  * retain the above copyright notice and this paragraph in its entirety, (2)
   8  * distributions including binary code include the above copyright notice and
   9  * this paragraph in its entirety in the documentation or other materials
  10  * provided with the distribution, and (3) all advertising materials mentioning
  11  * features or use of this software display the following acknowledgement:
  12  * ``This product includes software developed by the University of California,
  13  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
  14  * the University nor the names of its contributors may be used to endorse
  15  * or promote products derived from this software without specific prior
  16  * written permission.
  17  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  18  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  20  *
  21  * AppleTalk protocol formats (courtesy Bill Croft of Stanford/SUMEX).
  22  */
  23
  24 struct LAP {
  25         nd_uint8_t      dst;
  26         nd_uint8_t      src;
  27         nd_uint8_t      type;
  28 };
  29 #define lapShortDDP     1       /* short DDP type */
  30 #define lapDDP          2       /* DDP type */
  31 #define lapKLAP         'K'     /* Kinetics KLAP type */
  32
  33 /*
  34  * UDP port range used for ddp-in-udp encapsulation is 16512-16639
  35  * for client sockets (128-255) and 200-327 for server sockets
  36  * (0-127).  We also try to recognize the pre-April 88 server
  37  * socket range of 768-895.
  38  */
  39 #define atalk_port(p) \
  40         (((unsigned)((p) - 16512) < 128) || \
  41          ((unsigned)((p) - 200) < 128) || \
  42          ((unsigned)((p) - 768) < 128))