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Annotation of kernel/bsd/netiso/iso_proto.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /*-
        !            26:  * Copyright (c) 1991, 1993
        !            27:  *     The Regents of the University of California.  All rights reserved.
        !            28:  *
        !            29:  * Redistribution and use in source and binary forms, with or without
        !            30:  * modification, are permitted provided that the following conditions
        !            31:  * are met:
        !            32:  * 1. Redistributions of source code must retain the above copyright
        !            33:  *    notice, this list of conditions and the following disclaimer.
        !            34:  * 2. Redistributions in binary form must reproduce the above copyright
        !            35:  *    notice, this list of conditions and the following disclaimer in the
        !            36:  *    documentation and/or other materials provided with the distribution.
        !            37:  * 3. All advertising materials mentioning features or use of this software
        !            38:  *    must display the following acknowledgement:
        !            39:  *     This product includes software developed by the University of
        !            40:  *     California, Berkeley and its contributors.
        !            41:  * 4. Neither the name of the University nor the names of its contributors
        !            42:  *    may be used to endorse or promote products derived from this software
        !            43:  *    without specific prior written permission.
        !            44:  *
        !            45:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            46:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            47:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            48:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            49:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            50:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            51:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            52:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            53:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            54:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            55:  * SUCH DAMAGE.
        !            56:  *
        !            57:  *     @(#)iso_proto.c 8.1 (Berkeley) 6/10/93
        !            58:  */
        !            59: 
        !            60: /***********************************************************
        !            61:                Copyright IBM Corporation 1987
        !            62: 
        !            63:                       All Rights Reserved
        !            64: 
        !            65: Permission to use, copy, modify, and distribute this software and its 
        !            66: documentation for any purpose and without fee is hereby granted, 
        !            67: provided that the above copyright notice appear in all copies and that
        !            68: both that copyright notice and this permission notice appear in 
        !            69: supporting documentation, and that the name of IBM not be
        !            70: used in advertising or publicity pertaining to distribution of the
        !            71: software without specific, written prior permission.  
        !            72: 
        !            73: IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
        !            74: ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
        !            75: IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
        !            76: ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
        !            77: WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
        !            78: ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
        !            79: SOFTWARE.
        !            80: 
        !            81: ******************************************************************/
        !            82: 
        !            83: /*
        !            84:  * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
        !            85:  */
        !            86: /*
        !            87:  * iso_proto.c : protocol switch tables in the ISO domain
        !            88:  *
        !            89:  * ISO protocol family includes TP, CLTP, CLNP, 8208
        !            90:  * TP and CLNP are implemented here.
        !            91:  */
        !            92: 
        !            93: #if    ISO
        !            94: #include <sys/param.h>
        !            95: #include <sys/socket.h>
        !            96: #include <sys/protosw.h>
        !            97: #include <sys/domain.h>
        !            98: #include <sys/mbuf.h>
        !            99: 
        !           100: #include <net/radix.h>
        !           101: 
        !           102: #include <netiso/iso.h>
        !           103: 
        !           104: int clnp_output(), clnp_init(),clnp_slowtimo(),clnp_drain();
        !           105: int rclnp_input(), rclnp_output(), rclnp_ctloutput(), raw_usrreq();
        !           106: int    clnp_usrreq();
        !           107: 
        !           108: int    tp_ctloutput(), tpclnp_ctlinput(), tpclnp_input(), tp_usrreq();
        !           109: int    tp_init(), tp_fasttimo(), tp_slowtimo(), tp_drain();
        !           110: int    cons_init(), tpcons_input();
        !           111: 
        !           112: int isis_input();
        !           113: int    esis_input(), esis_ctlinput(), esis_init(), esis_usrreq();
        !           114: int    idrp_input(), idrp_init(), idrp_usrreq();
        !           115: int    cltp_input(), cltp_ctlinput(), cltp_init(), cltp_usrreq(), cltp_output();
        !           116: 
        !           117: #if TUBA
        !           118: int    tuba_usrreq(), tuba_ctloutput(), tuba_init(), tuba_tcpinput(); 
        !           119: int    tuba_slowtimo(), tuba_fasttimo(); 
        !           120: #endif
        !           121: 
        !           122: struct protosw isosw[] = {
        !           123: /*
        !           124:  *  We need a datagram entry through which net mgmt programs can get
        !           125:  *     to the iso_control procedure (iso ioctls). Thus, a minimal
        !           126:  *     SOCK_DGRAM interface is provided here.
        !           127:  *  THIS ONE MUST BE FIRST: Kludge city : socket() says if(!proto) call
        !           128:  *  pffindtype, which gets the first entry that matches the type.
        !           129:  *  sigh.
        !           130:  */
        !           131: { SOCK_DGRAM,  &isodomain,             ISOPROTO_CLTP,          PR_ATOMIC|PR_ADDR,
        !           132:        0,                      cltp_output,    0,                                      0,
        !           133:        cltp_usrreq,
        !           134:        cltp_init,      0,                              0,                                      0
        !           135: },
        !           136: 
        !           137: /*
        !           138:  *     A datagram interface for clnp cannot co-exist with TP/CLNP
        !           139:  *  because CLNP has no way to discriminate incoming TP packets from
        !           140:  *  packets coming in for any other higher layer protocol.
        !           141:  *  Old way: set it up so that pffindproto(... dgm, clnp) fails.
        !           142:  *  New way: let pffindproto work (for x.25, thank you) but create
        !           143:  *     a clnp_usrreq() that returns error on PRU_ATTACH.
        !           144:  */
        !           145: {SOCK_DGRAM,   &isodomain,             ISOPROTO_CLNP,          0,
        !           146:  0,                            clnp_output,    0,                                      0,
        !           147:  clnp_usrreq,
        !           148:  clnp_init,            0,                              clnp_slowtimo,          clnp_drain,
        !           149: },
        !           150: 
        !           151: /* raw clnp */
        !           152: { SOCK_RAW,            &isodomain,             ISOPROTO_RAW,           PR_ATOMIC|PR_ADDR,
        !           153:   rclnp_input, rclnp_output,   0,                                      rclnp_ctloutput,
        !           154:   clnp_usrreq,
        !           155:   0,                   0,                              0,                                      0
        !           156: },
        !           157: 
        !           158: /* ES-IS protocol */
        !           159: { SOCK_DGRAM,  &isodomain,             ISOPROTO_ESIS,          PR_ATOMIC|PR_ADDR,
        !           160:   esis_input,  0,                              esis_ctlinput,          0,
        !           161:   esis_usrreq,
        !           162:   esis_init,   0,                              0,                                      0
        !           163: },
        !           164: 
        !           165: /* ISOPROTO_INTRAISIS */
        !           166: { SOCK_DGRAM,  &isodomain,             ISOPROTO_INTRAISIS,     PR_ATOMIC|PR_ADDR,
        !           167:   isis_input,  0,                              0,                                      0,
        !           168:   esis_usrreq,
        !           169:   0,                   0,                              0,                                      0
        !           170: },
        !           171: 
        !           172: /* ISOPROTO_IDRP */
        !           173: { SOCK_DGRAM,  &isodomain,             ISOPROTO_IDRP,          PR_ATOMIC|PR_ADDR,
        !           174:   idrp_input,  0,                              0,                                      0,
        !           175:   idrp_usrreq,
        !           176:   idrp_init,   0,                              0,                                      0
        !           177: },
        !           178: 
        !           179: /* ISOPROTO_TP */
        !           180: { SOCK_SEQPACKET,      &isodomain,     ISOPROTO_TP,            PR_CONNREQUIRED|PR_WANTRCVD,
        !           181:   tpclnp_input,        0,                              tpclnp_ctlinput,        tp_ctloutput,
        !           182:   tp_usrreq,
        !           183:   tp_init,             tp_fasttimo,    tp_slowtimo,            tp_drain,
        !           184: },
        !           185: 
        !           186: #if TUBA
        !           187: { SOCK_STREAM, &isodomain,             ISOPROTO_TCP,           PR_CONNREQUIRED|PR_WANTRCVD,
        !           188:   tuba_tcpinput,       0,                      0,                                      tuba_ctloutput,
        !           189:   tuba_usrreq,
        !           190:   tuba_init,   tuba_fasttimo,  tuba_fasttimo,          0
        !           191: },
        !           192: #endif
        !           193: 
        !           194: #if TPCONS
        !           195: /* ISOPROTO_TP */
        !           196: { SOCK_SEQPACKET,      &isodomain,     ISOPROTO_TP0,           PR_CONNREQUIRED|PR_WANTRCVD,
        !           197:   tpcons_input,                0,                      0,                                      tp_ctloutput,
        !           198:   tp_usrreq,
        !           199:   cons_init,           0,                      0,                                      0,
        !           200: },
        !           201: #endif
        !           202: 
        !           203: };
        !           204: 
        !           205: 
        !           206: struct domain isodomain = {
        !           207:     AF_ISO,                    /* family */
        !           208:        "iso-domain",           /* name */
        !           209:        0,                                      /* initialize routine */
        !           210:        0,                                      /* externalize access rights */
        !           211:        0,                                      /* dispose of internalized rights */
        !           212:        isosw,                          /* protosw */
        !           213:        &isosw[sizeof(isosw)/sizeof(isosw[0])], /* NPROTOSW */
        !           214:        0,                                      /* next */
        !           215:        rn_inithead,            /* rtattach */
        !           216:        48,                                     /* rtoffset */
        !           217:        sizeof(struct sockaddr_iso) /* maxkeylen */
        !           218: };
        !           219: #endif /* ISO */

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