sys/kern/uipc_proto.c

   1 /*      $NetBSD: uipc_proto.c,v 1.20 2007/02/18 23:16:59 matt Exp $     */
   2
   3 /*-
   4  * Copyright (c) 1982, 1986, 1993
   5  *      The Regents of the University of California.  All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)uipc_proto.c        8.2 (Berkeley) 2/14/95
  32  */
  33
  34 #include <sys/cdefs.h>
  35 __KERNEL_RCSID(0, "$NetBSD: uipc_proto.c,v 1.20 2007/02/18 23:16:59 matt Exp $");
  36
  37 #include <sys/param.h>
  38 #include <sys/socket.h>
  39 #include <sys/protosw.h>
  40 #include <sys/domain.h>
  41 #include <sys/mbuf.h>
  42 #include <sys/un.h>
  43 #include <sys/socketvar.h>
  44
  45 #include <net/if.h>
  46 #include <net/raw_cb.h>
  47
  48 /*
  49  * Definitions of protocols supported in the UNIX domain.
  50  */
  51
  52 DOMAIN_DEFINE(unixdomain);      /* forward define and add to link set */
  53
  54 const struct protosw unixsw[] = {
  55         {
  56                 .pr_type = SOCK_STREAM,
  57                 .pr_domain = &unixdomain,
  58                 .pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_RIGHTS|PR_LISTEN,
  59                 .pr_ctloutput = uipc_ctloutput,
  60                 .pr_usrreq = uipc_usrreq,
  61         }, {
  62                 .pr_type = SOCK_DGRAM,
  63                 .pr_domain = &unixdomain,
  64                 .pr_flags = PR_ATOMIC|PR_ADDR|PR_RIGHTS,
  65                 .pr_ctloutput = uipc_ctloutput,
  66                 .pr_usrreq = uipc_usrreq,
  67         }, {
  68                 .pr_input = raw_input,
  69                 .pr_ctlinput = raw_ctlinput,
  70                 .pr_usrreq = raw_usrreq,
  71                 .pr_init = raw_init,
  72         }
  73 };
  74
  75 struct domain unixdomain = {
  76         .dom_family = AF_LOCAL,
  77         .dom_init = uipc_init,
  78         .dom_name = "unix",
  79         .dom_externalize = unp_externalize,
  80         .dom_dispose = unp_dispose,
  81         .dom_protosw = unixsw,
  82         .dom_protoswNPROTOSW = &unixsw[__arraycount(unixsw)],
  83 };