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      1 /*	$NetBSD: uipc_proto.c,v 1.24 2024/12/06 18:36:31 riastradh 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 1.24 2024/12/06 18:36:31 riastradh Exp $");
     36 
     37 #include <sys/param.h>
     38 
     39 #include <sys/domain.h>
     40 #include <sys/mbuf.h>
     41 #include <sys/protosw.h>
     42 #include <sys/socket.h>
     43 #include <sys/socketvar.h>
     44 #include <sys/un.h>
     45 
     46 #include <net/if.h>
     47 #include <net/raw_cb.h>
     48 
     49 /*
     50  * Definitions of protocols supported in the UNIX domain.
     51  */
     52 
     53 DOMAIN_DEFINE(unixdomain);	/* forward define and add to link set */
     54 
     55 const struct protosw unixsw[] = {
     56 	{
     57 		.pr_type = SOCK_STREAM,
     58 		.pr_domain = &unixdomain,
     59 		.pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_RIGHTS|PR_LISTEN,
     60 		.pr_ctloutput = uipc_ctloutput,
     61 		.pr_usrreqs = &unp_usrreqs,
     62 	},
     63 	{
     64 		.pr_type = SOCK_DGRAM,
     65 		.pr_domain = &unixdomain,
     66 		.pr_flags = PR_ATOMIC|PR_ADDR|PR_RIGHTS,
     67 		.pr_ctloutput = uipc_ctloutput,
     68 		.pr_usrreqs = &unp_usrreqs,
     69 	},
     70 	{
     71 		.pr_type = SOCK_SEQPACKET,
     72 		.pr_domain = &unixdomain,
     73 		.pr_flags = PR_CONNREQUIRED|PR_WANTRCVD|PR_RIGHTS|PR_LISTEN|
     74 			    PR_ATOMIC,
     75 		.pr_ctloutput = uipc_ctloutput,
     76 		.pr_usrreqs = &unp_usrreqs,
     77 	}
     78 };
     79 
     80 struct domain unixdomain = {
     81 	.dom_family = AF_LOCAL,
     82 	.dom_init = uipc_init,
     83 	.dom_name = "unix",
     84 	.dom_externalize = unp_externalize,
     85 	.dom_dispose = unp_dispose,
     86 	.dom_protosw = unixsw,
     87 	.dom_protoswNPROTOSW = &unixsw[__arraycount(unixsw)],
     88 };
     89