sys/netatalk/at.h

   1 /*      $NetBSD: at.h,v 1.6 2005/05/06 04:26:31 matt 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
  29 #ifndef _NETATALK_AT_H_
  30 #define _NETATALK_AT_H_
  31
  32 #include <sys/ansi.h>
  33
  34 #ifndef sa_family_t
  35 typedef __sa_family_t   sa_family_t;
  36 #define sa_family_t     __sa_family_t
  37 #endif
  38
  39 /*
  40  * Supported protocols
  41  */
  42 #define ATPROTO_DDP     0
  43 #define ATPROTO_AARP    254
  44
  45 #define DDP_MAXSZ       587
  46
  47 /*
  48  * If ATPORT_FIRST <= Port < ATPORT_RESERVED,
  49  * Port was created by a privileged process.
  50  * If ATPORT_RESERVED <= Port < ATPORT_LAST,
  51  * Port was not necessarily created by a
  52  * privileged process.
  53  */
  54 #define ATPORT_FIRST    1
  55 #define ATPORT_RESERVED 128
  56 #define ATPORT_LAST     255
  57
  58 /*
  59  * AppleTalk address.
  60  */
  61 struct at_addr {
  62         u_int16_t         s_net;
  63         u_int8_t          s_node;
  64 };
  65
  66 #define ATADDR_ANYNET   (u_int16_t)0x0000
  67 #define ATADDR_ANYNODE  (u_int8_t)0x00
  68 #define ATADDR_ANYPORT  (u_int8_t)0x00
  69 #define ATADDR_BCAST    (u_int8_t)0xff  /* There is no BCAST for NET */
  70
  71 struct netrange {
  72         u_int8_t        nr_phase;
  73         u_int16_t       nr_firstnet;
  74         u_int16_t       nr_lastnet;
  75 };
  76
  77 /*
  78  * Socket address, AppleTalk style.  We keep magic information in the
  79  * zero bytes.  There are three types, NONE, CONFIG which has the phase
  80  * and a net range, and IFACE which has the network address of an
  81  * interface.  IFACE may be filled in by the client, and is filled in
  82  * by the kernel.
  83  */
  84 struct sockaddr_at {
  85         u_int8_t        sat_len;
  86         sa_family_t     sat_family;
  87         u_int8_t        sat_port;
  88         struct at_addr  sat_addr;
  89         union {
  90                 struct netrange r_netrange;
  91                 char            r_zero[8];      /* Hide a struct netrange in
  92                                                  * here */
  93         } sat_range;
  94 };
  95
  96 #define sat_zero sat_range.r_zero
  97
  98 #ifdef _KERNEL
  99 #include <sys/protosw.h>
 100
 101 extern struct domain atalkdomain;
 102 extern const struct protosw atalksw[];
 103 #endif
 104
 105 #endif  /* !_NETATALK_AT_H_ */