bsd/netccitt/x25.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * Copyright (c) University of British Columbia, 1984
  24  * Copyright (c) 1990, 1992, 1993
  25  *      The Regents of the University of California.  All rights reserved.
  26  *               University of Erlangen-Nuremberg, Germany, 1992
  27  *
  28  * This code is derived from software contributed to Berkeley by the
  29  * Laboratory for Computation Vision and the Computer Science Department
  30  * of the the University of British Columbia and the Computer Science
  31  * Department (IV) of the University of Erlangen-Nuremberg, Germany.
  32  *
  33  * Redistribution and use in source and binary forms, with or without
  34  * modification, are permitted provided that the following conditions
  35  * are met:
  36  * 1. Redistributions of source code must retain the above copyright
  37  *    notice, this list of conditions and the following disclaimer.
  38  * 2. Redistributions in binary form must reproduce the above copyright
  39  *    notice, this list of conditions and the following disclaimer in the
  40  *    documentation and/or other materials provided with the distribution.
  41  * 3. All advertising materials mentioning features or use of this software
  42  *    must display the following acknowledgement:
  43  *      This product includes software developed by the University of
  44  *      California, Berkeley and its contributors.
  45  * 4. Neither the name of the University nor the names of its contributors
  46  *    may be used to endorse or promote products derived from this software
  47  *    without specific prior written permission.
  48  *
  49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  59  * SUCH DAMAGE.
  60  *
  61  *      @(#)x25.h       8.1 (Berkeley) 6/10/93
  62  */
  63
  64 #ifdef KERNEL
  65 #define PRC_IFUP        3
  66 #define PRC_LINKUP      4
  67 #define PRC_LINKDOWN    5
  68 #define PRC_LINKRESET   6
  69 #define PRC_LINKDONTCOPY        7
  70 #ifndef PRC_DISCONNECT_REQUEST
  71 #define PRC_DISCONNECT_REQUEST 10
  72 #endif
  73 #endif
  74
  75 #define CCITTPROTO_HDLC         1
  76 #define CCITTPROTO_X25          2       /* packet level protocol */
  77 #define IEEEPROTO_802LLC        3       /* doesn't belong here */
  78
  79 #define HDLCPROTO_LAP           1
  80 #define HDLCPROTO_LAPB          2
  81 #define HDLCPROTO_UNSET         3
  82 #define HDLCPROTO_LAPD          4
  83
  84 /* socket options */
  85 #define PK_ACCTFILE             1       /* use level = CCITTPROTO_X25 */
  86 #define PK_FACILITIES           2       /* use level = CCITTPROTO_X25 */
  87 #define PK_RTATTACH             3       /* use level = CCITTPROTO_X25 */
  88 #define PK_PRLISTEN             4       /* use level = CCITTPROTO_X25 */
  89
  90 #define MAX_FACILITIES          109     /* maximum size for facilities */
  91
  92 /*
  93  *  X.25 Socket address structure.  It contains the  X.121 or variation of
  94  *  X.121, facilities information, higher level protocol value (first four
  95  *  bytes of the User Data field), and the last  12 characters of the User
  96  *  Data field.
  97  */
  98
  99 struct x25_sockaddr {           /* obsolete - use sockaddr_x25 */
 100     short  xaddr_len;           /* Length of xaddr_addr.                */
 101     u_char xaddr_addr[15];      /* Network dependent or X.121 address.  */
 102     u_char xaddr_facilities;    /* Facilities information.              */
 103 #define XS_REVERSE_CHARGE       0x01
 104 #define XS_HIPRIO               0x02
 105     u_char xaddr_proto[4];      /* Protocol ID (4 bytes of user data).  */
 106     u_char xaddr_userdata[12];  /* Remaining User data field.           */
 107 };
 108
 109 /*
 110  *  X.25 Socket address structure.  It contains the network id, X.121
 111  *  address, facilities information, higher level protocol value (first four
 112  *  bytes of the User Data field), and up to 12 characters of User Data.
 113  */
 114
 115 struct  sockaddr_x25 {
 116         u_char  x25_len;
 117         u_char  x25_family;     /* must be AF_CCITT */
 118         short   x25_net;        /* network id code (usually a dnic) */
 119         char    x25_addr[16];   /* X.121 address (null terminated) */
 120         struct  x25opts {
 121                 char    op_flags;       /* miscellaneous options */
 122                                         /* pk_var.h defines other lcd_flags */
 123 #define X25_REVERSE_CHARGE      0x01    /* remote DTE pays for call */
 124 #define X25_DBIT                0x02    /* not yet supported */
 125 #define X25_MQBIT               0x04    /* prepend M&Q bit status byte to packet data */
 126 #define X25_OLDSOCKADDR         0x08    /* uses old sockaddr structure */
 127 #define X25_DG_CIRCUIT          0x10    /* lcd_flag: used for datagrams */
 128 #define X25_DG_ROUTING          0x20    /* lcd_flag: peer addr not yet known */
 129 #define X25_MBS_HOLD            0x40    /* lcd_flag: collect m-bit sequences */
 130                 char    op_psize;       /* requested packet size */
 131 #define X25_PS128               7
 132 #define X25_PS256               8
 133 #define X25_PS512               9
 134                 char    op_wsize;       /* window size (1 .. 7) */
 135                 char    op_speed;       /* throughput class */
 136         } x25_opts;
 137         short   x25_udlen;      /* user data field length */
 138         char    x25_udata[16];  /* user data field */
 139 };
 140
 141 /*
 142  * network configuration info
 143  * this structure must be 16 bytes long
 144  */
 145
 146 struct  x25config {
 147         struct  sockaddr_x25 xc_addr;
 148         /* link level parameters */
 149         u_short xc_lproto:4,    /* link level protocol eg. CCITTPROTO_HDLC */
 150                 xc_lptype:4,    /* protocol type eg. HDLCPROTO_LAPB */
 151                 xc_ltrace:1,    /* link level tracing flag */
 152                 xc_lwsize:7;    /* link level window size */
 153         u_short xc_lxidxchg:1,  /* link level XID exchange flag - NOT YET */
 154         /* packet level parameters */
 155                 xc_rsvd1:2,
 156                 xc_pwsize:3,    /* default window size */
 157                 xc_psize:4,     /* default packet size 7=128, 8=256, ... */
 158                 xc_type:3,      /* network type */
 159 #define X25_1976        0
 160 #define X25_1980        1
 161 #define X25_1984        2
 162 #define X25_DDN         3
 163 #define X25_BASIC       4
 164                 xc_ptrace:1,    /* packet level tracing flag */
 165                 xc_nodnic:1,    /* remove our dnic when calling on net */
 166                 xc_prepnd0:1;   /* prepend 0 when making offnet calls */
 167         u_short xc_maxlcn;      /* max logical channels */
 168         u_short xc_dg_idletimo; /* timeout for idle datagram circuits. */
 169 };
 170
 171 #ifdef IFNAMSIZ
 172 struct ifreq_x25 {
 173         char    ifr_name[IFNAMSIZ];             /* if name, e.g. "en0" */
 174         struct  x25config ifr_xc;
 175 };
 176 #define SIOCSIFCONF_X25 _IOW('i', 12, struct ifreq_x25) /* set ifnet config */
 177 #define SIOCGIFCONF_X25 _IOWR('i',13, struct ifreq_x25) /* get ifnet config */
 178 #endif