bsd/netiso/iso_proto.c

   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) 1991, 1993
  24  *      The Regents of the University of California.  All rights reserved.
  25  *
  26  * Redistribution and use in source and binary forms, with or without
  27  * modification, are permitted provided that the following conditions
  28  * are met:
  29  * 1. Redistributions of source code must retain the above copyright
  30  *    notice, this list of conditions and the following disclaimer.
  31  * 2. Redistributions in binary form must reproduce the above copyright
  32  *    notice, this list of conditions and the following disclaimer in the
  33  *    documentation and/or other materials provided with the distribution.
  34  * 3. All advertising materials mentioning features or use of this software
  35  *    must display the following acknowledgement:
  36  *      This product includes software developed by the University of
  37  *      California, Berkeley and its contributors.
  38  * 4. Neither the name of the University nor the names of its contributors
  39  *    may be used to endorse or promote products derived from this software
  40  *    without specific prior written permission.
  41  *
  42  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  43  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  44  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  45  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  46  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  47  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  48  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  50  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  51  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  52  * SUCH DAMAGE.
  53  *
  54  *      @(#)iso_proto.c 8.1 (Berkeley) 6/10/93
  55  */
  56
  57 /***********************************************************
  58                 Copyright IBM Corporation 1987
  59
  60                       All Rights Reserved
  61
  62 Permission to use, copy, modify, and distribute this software and its
  63 documentation for any purpose and without fee is hereby granted,
  64 provided that the above copyright notice appear in all copies and that
  65 both that copyright notice and this permission notice appear in
  66 supporting documentation, and that the name of IBM not be
  67 used in advertising or publicity pertaining to distribution of the
  68 software without specific, written prior permission.
  69
  70 IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  71 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  72 IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  73 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  74 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  75 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  76 SOFTWARE.
  77
  78 ******************************************************************/
  79
  80 /*
  81  * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
  82  */
  83 /*
  84  * iso_proto.c : protocol switch tables in the ISO domain
  85  *
  86  * ISO protocol family includes TP, CLTP, CLNP, 8208
  87  * TP and CLNP are implemented here.
  88  */
  89
  90 #if     ISO
  91 #include <sys/param.h>
  92 #include <sys/socket.h>
  93 #include <sys/protosw.h>
  94 #include <sys/domain.h>
  95 #include <sys/mbuf.h>
  96
  97 #include <net/radix.h>
  98
  99 #include <netiso/iso.h>
 100
 101 int clnp_output(), clnp_init(),clnp_slowtimo(),clnp_drain();
 102 int rclnp_input(), rclnp_output(), rclnp_ctloutput(), raw_usrreq();
 103 int     clnp_usrreq();
 104
 105 int     tp_ctloutput(), tpclnp_ctlinput(), tpclnp_input(), tp_usrreq();
 106 int     tp_init(), tp_fasttimo(), tp_slowtimo(), tp_drain();
 107 int     cons_init(), tpcons_input();
 108
 109 int isis_input();
 110 int     esis_input(), esis_ctlinput(), esis_init(), esis_usrreq();
 111 int     idrp_input(), idrp_init(), idrp_usrreq();
 112 int     cltp_input(), cltp_ctlinput(), cltp_init(), cltp_usrreq(), cltp_output();
 113
 114 #if TUBA
 115 int     tuba_usrreq(), tuba_ctloutput(), tuba_init(), tuba_tcpinput();
 116 int     tuba_slowtimo(), tuba_fasttimo();
 117 #endif
 118
 119 struct protosw isosw[] = {
 120 /*
 121  *  We need a datagram entry through which net mgmt programs can get
 122  *      to the iso_control procedure (iso ioctls). Thus, a minimal
 123  *      SOCK_DGRAM interface is provided here.
 124  *  THIS ONE MUST BE FIRST: Kludge city : socket() says if(!proto) call
 125  *  pffindtype, which gets the first entry that matches the type.
 126  *  sigh.
 127  */
 128 { SOCK_DGRAM,   &isodomain,             ISOPROTO_CLTP,          PR_ATOMIC|PR_ADDR,
 129         0,                      cltp_output,    0,                                      0,
 130         cltp_usrreq,
 131         cltp_init,      0,                              0,                                      0
 132 },
 133
 134 /*
 135  *      A datagram interface for clnp cannot co-exist with TP/CLNP
 136  *  because CLNP has no way to discriminate incoming TP packets from
 137  *  packets coming in for any other higher layer protocol.
 138  *  Old way: set it up so that pffindproto(... dgm, clnp) fails.
 139  *  New way: let pffindproto work (for x.25, thank you) but create
 140  *      a clnp_usrreq() that returns error on PRU_ATTACH.
 141  */
 142 {SOCK_DGRAM,    &isodomain,             ISOPROTO_CLNP,          0,
 143  0,                             clnp_output,    0,                                      0,
 144  clnp_usrreq,
 145  clnp_init,             0,                              clnp_slowtimo,          clnp_drain,
 146 },
 147
 148 /* raw clnp */
 149 { SOCK_RAW,             &isodomain,             ISOPROTO_RAW,           PR_ATOMIC|PR_ADDR,
 150   rclnp_input,  rclnp_output,   0,                                      rclnp_ctloutput,
 151   clnp_usrreq,
 152   0,                    0,                              0,                                      0
 153 },
 154
 155 /* ES-IS protocol */
 156 { SOCK_DGRAM,   &isodomain,             ISOPROTO_ESIS,          PR_ATOMIC|PR_ADDR,
 157   esis_input,   0,                              esis_ctlinput,          0,
 158   esis_usrreq,
 159   esis_init,    0,                              0,                                      0
 160 },
 161
 162 /* ISOPROTO_INTRAISIS */
 163 { SOCK_DGRAM,   &isodomain,             ISOPROTO_INTRAISIS,     PR_ATOMIC|PR_ADDR,
 164   isis_input,   0,                              0,                                      0,
 165   esis_usrreq,
 166   0,                    0,                              0,                                      0
 167 },
 168
 169 /* ISOPROTO_IDRP */
 170 { SOCK_DGRAM,   &isodomain,             ISOPROTO_IDRP,          PR_ATOMIC|PR_ADDR,
 171   idrp_input,   0,                              0,                                      0,
 172   idrp_usrreq,
 173   idrp_init,    0,                              0,                                      0
 174 },
 175
 176 /* ISOPROTO_TP */
 177 { SOCK_SEQPACKET,       &isodomain,     ISOPROTO_TP,            PR_CONNREQUIRED|PR_WANTRCVD,
 178   tpclnp_input, 0,                              tpclnp_ctlinput,        tp_ctloutput,
 179   tp_usrreq,
 180   tp_init,              tp_fasttimo,    tp_slowtimo,            tp_drain,
 181 },
 182
 183 #if TUBA
 184 { SOCK_STREAM,  &isodomain,             ISOPROTO_TCP,           PR_CONNREQUIRED|PR_WANTRCVD,
 185   tuba_tcpinput,        0,                      0,                                      tuba_ctloutput,
 186   tuba_usrreq,
 187   tuba_init,    tuba_fasttimo,  tuba_fasttimo,          0
 188 },
 189 #endif
 190
 191 #if TPCONS
 192 /* ISOPROTO_TP */
 193 { SOCK_SEQPACKET,       &isodomain,     ISOPROTO_TP0,           PR_CONNREQUIRED|PR_WANTRCVD,
 194   tpcons_input,         0,                      0,                                      tp_ctloutput,
 195   tp_usrreq,
 196   cons_init,            0,                      0,                                      0,
 197 },
 198 #endif
 199
 200 };
 201
 202
 203 struct domain isodomain = {
 204     AF_ISO,                     /* family */
 205         "iso-domain",           /* name */
 206         0,                                      /* initialize routine */
 207         0,                                      /* externalize access rights */
 208         0,                                      /* dispose of internalized rights */
 209         isosw,                          /* protosw */
 210         &isosw[sizeof(isosw)/sizeof(isosw[0])], /* NPROTOSW */
 211         0,                                      /* next */
 212         rn_inithead,            /* rtattach */
 213         48,                                     /* rtoffset */
 214         sizeof(struct sockaddr_iso) /* maxkeylen */
 215 };
 216 #endif  /* ISO */