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Annotation of Net2/netiso/iso_proto.c, revision 1.1

1.1     ! root        1: /*-
        !             2:  * Copyright (c) 1991 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. All advertising materials mentioning features or use of this software
        !            14:  *    must display the following acknowledgement:
        !            15:  *     This product includes software developed by the University of
        !            16:  *     California, Berkeley and its contributors.
        !            17:  * 4. Neither the name of the University nor the names of its contributors
        !            18:  *    may be used to endorse or promote products derived from this software
        !            19:  *    without specific prior written permission.
        !            20:  *
        !            21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            31:  * SUCH DAMAGE.
        !            32:  *
        !            33:  *     @(#)iso_proto.c 7.8 (Berkeley) 5/6/91
        !            34:  */
        !            35: 
        !            36: /***********************************************************
        !            37:                Copyright IBM Corporation 1987
        !            38: 
        !            39:                       All Rights Reserved
        !            40: 
        !            41: Permission to use, copy, modify, and distribute this software and its 
        !            42: documentation for any purpose and without fee is hereby granted, 
        !            43: provided that the above copyright notice appear in all copies and that
        !            44: both that copyright notice and this permission notice appear in 
        !            45: supporting documentation, and that the name of IBM not be
        !            46: used in advertising or publicity pertaining to distribution of the
        !            47: software without specific, written prior permission.  
        !            48: 
        !            49: IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
        !            50: ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
        !            51: IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
        !            52: ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
        !            53: WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
        !            54: ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
        !            55: SOFTWARE.
        !            56: 
        !            57: ******************************************************************/
        !            58: 
        !            59: /*
        !            60:  * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
        !            61:  */
        !            62: /* $Header: iso_proto.c,v 4.4 88/09/08 08:38:42 hagens Exp $ 
        !            63:  * $Source: /usr/argo/sys/netiso/RCS/iso_proto.c,v $ 
        !            64:  *
        !            65:  * iso_proto.c : protocol switch tables in the ISO domain
        !            66:  *
        !            67:  * ISO protocol family includes TP, CLTP, CLNP, 8208
        !            68:  * TP and CLNP are implemented here.
        !            69:  */
        !            70: 
        !            71: #ifdef ISO
        !            72: #include "types.h"
        !            73: #include "param.h"
        !            74: #include "socket.h"
        !            75: #include "protosw.h"
        !            76: #include "domain.h"
        !            77: #include "mbuf.h"
        !            78: 
        !            79: #include "iso.h"
        !            80: 
        !            81: int clnp_output(), clnp_init(),clnp_slowtimo(),clnp_drain();
        !            82: int rclnp_input(), rclnp_output(), rclnp_ctloutput(), raw_usrreq();
        !            83: int    clnp_usrreq();
        !            84: 
        !            85: int    tp_ctloutput();
        !            86: int    tpclnp_ctlinput();
        !            87: int    tpclnp_input();
        !            88: int    tp_usrreq();
        !            89: int    tp_init(), tp_slowtimo(), tp_drain();
        !            90: int    cons_init(), tpcons_input();
        !            91: 
        !            92: int    esis_input(), esis_ctlinput(), esis_init(), esis_usrreq();
        !            93: int    cltp_input(), cltp_ctlinput(), cltp_init(), cltp_usrreq(), cltp_output();
        !            94: int isis_input();
        !            95: 
        !            96: struct protosw isosw[] = {
        !            97: /*
        !            98:  *  We need a datagram entry through which net mgmt programs can get
        !            99:  *     to the iso_control procedure (iso ioctls). Thus, a minimal
        !           100:  *     SOCK_DGRAM interface is provided here.
        !           101:  *  THIS ONE MUST BE FIRST: Kludge city : socket() says if(!proto) call
        !           102:  *  pffindtype, which gets the first entry that matches the type.
        !           103:  *  sigh.
        !           104:  */
        !           105: { SOCK_DGRAM,  &isodomain,             ISOPROTO_CLTP,          PR_ATOMIC|PR_ADDR,
        !           106:        0,                      cltp_output,    0,                                      0,
        !           107:        cltp_usrreq,
        !           108:        cltp_init,      0,                              0,                                      0
        !           109: },
        !           110: 
        !           111: /*
        !           112:  *     A datagram interface for clnp cannot co-exist with TP/CLNP
        !           113:  *  because CLNP has no way to discriminate incoming TP packets from
        !           114:  *  packets coming in for any other higher layer protocol.
        !           115:  *  Old way: set it up so that pffindproto(... dgm, clnp) fails.
        !           116:  *  New way: let pffindproto work (for x.25, thank you) but create
        !           117:  *     a clnp_usrreq() that returns error on PRU_ATTACH.
        !           118:  */
        !           119: {SOCK_DGRAM,   &isodomain,             ISOPROTO_CLNP,          0,
        !           120:  0,                            clnp_output,    0,                                      0,
        !           121:  clnp_usrreq,
        !           122:  clnp_init,            0,                              clnp_slowtimo,          clnp_drain,
        !           123: },
        !           124: 
        !           125: /* raw clnp */
        !           126: { SOCK_RAW,            &isodomain,             ISOPROTO_RAW,           PR_ATOMIC|PR_ADDR,
        !           127:   rclnp_input, rclnp_output,   0,                                      rclnp_ctloutput,
        !           128:   clnp_usrreq,
        !           129:   0,                   0,                              0,                                      0
        !           130: },
        !           131: 
        !           132: /* ES-IS protocol */
        !           133: { SOCK_DGRAM,  &isodomain,             ISOPROTO_ESIS,          PR_ATOMIC|PR_ADDR,
        !           134:   esis_input,  0,                              esis_ctlinput,          0,
        !           135:   esis_usrreq,
        !           136:   esis_init,   0,                              0,                                      0
        !           137: },
        !           138: 
        !           139: /* ISOPROTO_INTRAISIS */
        !           140: { SOCK_DGRAM,  &isodomain,             ISOPROTO_INTRAISIS,     PR_ATOMIC|PR_ADDR,
        !           141:   isis_input,  0,                              0,                                      0,
        !           142:   esis_usrreq,
        !           143:   0,                   0,                              0,                                      0
        !           144: },
        !           145: 
        !           146: /* ISOPROTO_TP */
        !           147: { SOCK_SEQPACKET,      &isodomain,     ISOPROTO_TP,            PR_CONNREQUIRED|PR_WANTRCVD,
        !           148:   tpclnp_input,                0,                      tpclnp_ctlinput,        tp_ctloutput,
        !           149:   tp_usrreq,
        !           150:   tp_init,                     0,                      tp_slowtimo,            tp_drain,
        !           151: },
        !           152: 
        !           153: #ifdef TPCONS
        !           154: /* ISOPROTO_TP */
        !           155: { SOCK_SEQPACKET,      &isodomain,     ISOPROTO_TP0,           PR_CONNREQUIRED|PR_WANTRCVD,
        !           156:   tpcons_input,                0,                      0,                                      tp_ctloutput,
        !           157:   tp_usrreq,
        !           158:   cons_init,           0,                      0,                                      0,
        !           159: },
        !           160: #endif
        !           161: 
        !           162: };
        !           163: 
        !           164: int    iso_init();
        !           165: 
        !           166: struct domain isodomain = {
        !           167:     AF_ISO,                    /* family */
        !           168:        "iso-domain",           /* name */
        !           169:        iso_init,                       /* initialize routine */
        !           170:        0,                                      /* externalize access rights */
        !           171:        0,                                      /* dispose of internalized rights */
        !           172:        isosw,                          /* protosw */
        !           173:        &isosw[sizeof(isosw)/sizeof(isosw[0])] /* NPROTOSW */
        !           174: };
        !           175: #endif ISO

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