sys/netatalk/aarp.h

   1 /*      $NetBSD: aarp.h,v 1.1 1997/04/02 21:31:02 christos Exp $        */
   2
   3 /*
   4  * Copyright (c) 1990,1991 Regents of The University of Michigan.
   5  * All Rights Reserved.
   6  *
   7  * Permission to use, copy, modify, and distribute this software and
   8  * its documentation for any purpose and without fee is hereby granted,
   9  * provided that the above copyright notice appears in all copies and
  10  * that both that copyright notice and this permission notice appear
  11  * in supporting documentation, and that the name of The University
  12  * of Michigan not be used in advertising or publicity pertaining to
  13  * distribution of the software without specific, written prior
  14  * permission. This software is supplied as is without expressed or
  15  * implied warranties of any kind.
  16  *
  17  * This product includes software developed by the University of
  18  * California, Berkeley and its contributors.
  19  *
  20  *      Research Systems Unix Group
  21  *      The University of Michigan
  22  *      c/o Wesley Craig
  23  *      535 W. William Street
  24  *      Ann Arbor, Michigan
  25  *      +1-313-764-2278
  26  *      netatalk@umich.edu
  27  */
  28 #ifndef _NETATALK_AARP_H_
  29 #define _NETATALK_AARP_H_
  30 /*
  31  * This structure is used for both phase 1 and 2. Under phase 1
  32  * the net is not filled in. It is in phase 2. In both cases, the
  33  * hardware address length is (for some unknown reason) 4. If
  34  * anyone at Apple could program their way out of paper bag, it
  35  * would be 1 and 3 respectively for phase 1 and 2.
  36  */
  37 union aapa {
  38         u_int8_t ap_pa[4];
  39         struct ap_node {
  40                 u_int8_t an_zero;
  41                 u_int8_t an_net[2];
  42                 u_int8_t an_node;
  43         } ap_node;
  44 };
  45
  46 struct ether_aarp {
  47         struct arphdr   eaa_hdr;
  48         u_int8_t        aarp_sha[6];
  49         union aapa      aarp_spu;
  50         u_int8_t        aarp_tha[6];
  51         union aapa      aarp_tpu;
  52 };
  53 #define aarp_hrd        eaa_hdr.ar_hrd
  54 #define aarp_pro        eaa_hdr.ar_pro
  55 #define aarp_hln        eaa_hdr.ar_hln
  56 #define aarp_pln        eaa_hdr.ar_pln
  57 #define aarp_op         eaa_hdr.ar_op
  58 #define aarp_spa        aarp_spu.ap_node.an_node
  59 #define aarp_tpa        aarp_tpu.ap_node.an_node
  60 #define aarp_spnet      aarp_spu.ap_node.an_net
  61 #define aarp_tpnet      aarp_tpu.ap_node.an_net
  62 #define aarp_spnode     aarp_spu.ap_node.an_node
  63 #define aarp_tpnode     aarp_tpu.ap_node.an_node
  64
  65 struct aarptab {
  66         struct at_addr  aat_ataddr;
  67         u_int8_t        aat_enaddr[6];
  68         u_int8_t        aat_timer;
  69         u_int8_t        aat_flags;
  70         struct mbuf    *aat_hold;
  71 };
  72
  73 #define AARPHRD_ETHER   0x0001
  74
  75 #define AARPOP_REQUEST  0x01
  76 #define AARPOP_RESPONSE 0x02
  77 #define AARPOP_PROBE    0x03
  78
  79 #endif /* !_NETATALK_AARP_H_ */