The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/netipx/ipx_proto.c

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    1 /*-
    2  * Copyright (c) 1984, 1985, 1986, 1987, 1993
    3  *      The Regents of the University of California.  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  * 4. Neither the name of the University nor the names of its contributors
   14  *    may be used to endorse or promote products derived from this software
   15  *    without specific prior written permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  *
   29  * Copyright (c) 1995, Mike Mitchell
   30  *
   31  * Redistribution and use in source and binary forms, with or without
   32  * modification, are permitted provided that the following conditions
   33  * are met:
   34  * 1. Redistributions of source code must retain the above copyright
   35  *    notice, this list of conditions and the following disclaimer.
   36  * 2. Redistributions in binary form must reproduce the above copyright
   37  *    notice, this list of conditions and the following disclaimer in the
   38  *    documentation and/or other materials provided with the distribution.
   39  * 3. All advertising materials mentioning features or use of this software
   40  *    must display the following acknowledgement:
   41  *      This product includes software developed by the University of
   42  *      California, Berkeley and its contributors.
   43  * 4. Neither the name of the University nor the names of its contributors
   44  *    may be used to endorse or promote products derived from this software
   45  *    without specific prior written permission.
   46  *
   47  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   48  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   49  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   50  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   51  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   52  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   53  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   54  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   55  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   56  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   57  * SUCH DAMAGE.
   58  *
   59  *      @(#)ipx_proto.c
   60  */
   61 
   62 #include <sys/cdefs.h>
   63 __FBSDID("$FreeBSD$");
   64 
   65 #include "opt_ipx.h"
   66 
   67 #include <sys/param.h>
   68 #include <sys/systm.h>
   69 #include <sys/socket.h>
   70 #include <sys/protosw.h>
   71 #include <sys/domain.h>
   72 #include <sys/kernel.h>
   73 #include <sys/queue.h>
   74 #include <sys/sysctl.h>
   75 
   76 #include <net/radix.h>
   77 
   78 #include <netipx/ipx.h>
   79 #include <netipx/ipx_var.h>
   80 #include <netipx/spx.h>
   81 
   82 static  struct pr_usrreqs nousrreqs;
   83 
   84 /*
   85  * IPX protocol family: IPX, ERR, PXP, SPX, ROUTE.
   86  */
   87 
   88 static  struct domain ipxdomain;
   89 
   90 static struct protosw ipxsw[] = {
   91 {
   92         .pr_domain =            &ipxdomain,
   93         .pr_init =              ipx_init,
   94         .pr_usrreqs =           &nousrreqs
   95 },
   96 {
   97         .pr_type =              SOCK_DGRAM,
   98         .pr_domain =            &ipxdomain,
   99         .pr_flags =             PR_ATOMIC|PR_ADDR,
  100         .pr_ctlinput =          ipx_ctlinput,
  101         .pr_ctloutput =         ipx_ctloutput,
  102         .pr_usrreqs =           &ipx_usrreqs
  103 },
  104 {
  105         .pr_type =              SOCK_STREAM,
  106         .pr_domain =            &ipxdomain,
  107         .pr_protocol =          IPXPROTO_SPX,
  108         .pr_flags =             PR_CONNREQUIRED|PR_WANTRCVD,
  109         .pr_ctlinput =          spx_ctlinput,
  110         .pr_ctloutput =         spx_ctloutput,
  111         .pr_init =              spx_init,
  112         .pr_fasttimo =          spx_fasttimo,
  113         .pr_slowtimo =          spx_slowtimo,
  114         .pr_usrreqs =           &spx_usrreqs
  115 },
  116 {
  117         .pr_type =              SOCK_SEQPACKET,
  118         .pr_domain =            &ipxdomain,
  119         .pr_protocol =          IPXPROTO_SPX,
  120         .pr_flags =             PR_CONNREQUIRED|PR_WANTRCVD|PR_ATOMIC,
  121         .pr_ctlinput =          spx_ctlinput,
  122         .pr_ctloutput =         spx_ctloutput,
  123         .pr_usrreqs =           &spx_usrreq_sps
  124 },
  125 {
  126         .pr_type =              SOCK_RAW,
  127         .pr_domain =            &ipxdomain,
  128         .pr_protocol =          IPXPROTO_RAW,
  129         .pr_flags =             PR_ATOMIC|PR_ADDR,
  130         .pr_ctloutput =         ipx_ctloutput,
  131         .pr_usrreqs =           &ripx_usrreqs
  132 },
  133 };
  134 
  135 extern int ipx_inithead(void **, int);
  136 
  137 static struct   domain ipxdomain = {
  138         .dom_family =           AF_IPX,
  139         .dom_name =             "network systems",
  140         .dom_protosw =          ipxsw,
  141         .dom_protoswNPROTOSW =  &ipxsw[sizeof(ipxsw)/sizeof(ipxsw[0])],
  142         .dom_rtattach =         ipx_inithead,
  143         .dom_rtoffset =         16,
  144         .dom_maxrtkey =         sizeof(struct sockaddr_ipx)
  145 };
  146 
  147 
  148 /* shim to adapt arguments */
  149 int
  150 ipx_inithead(void **head, int offset)
  151 {
  152         return rn_inithead(head, offset);
  153 }
  154 
  155 DOMAIN_SET(ipx);
  156 SYSCTL_NODE(_net,       PF_IPX,         ipx,    CTLFLAG_RW, 0,
  157         "IPX/SPX");
  158 
  159 SYSCTL_NODE(_net_ipx,   IPXPROTO_RAW,   ipx,    CTLFLAG_RW, 0, "IPX");
  160 static SYSCTL_NODE(_net_ipx, IPXPROTO_SPX, spx, CTLFLAG_RW, 0, "SPX");

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