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at_proto.c revision 1.2 
      1 /*	$NetBSD: at_proto.c,v 1.2 1999/01/14 01:19:29 thorpej Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1990,1991 Regents of The University of Michigan.
      5  * All Rights Reserved.
      6  *
      7  * Permission to use, copy, modify, and distribute this software and
      8  * its documentation for any purpose and without fee is hereby granted,
      9  * provided that the above copyright notice appears in all copies and
     10  * that both that copyright notice and this permission notice appear
     11  * in supporting documentation, and that the name of The University
     12  * of Michigan not be used in advertising or publicity pertaining to
     13  * distribution of the software without specific, written prior
     14  * permission. This software is supplied as is without expressed or
     15  * implied warranties of any kind.
     16  *
     17  * This product includes software developed by the University of
     18  * California, Berkeley and its contributors.
     19  *
     20  *	Research Systems Unix Group
     21  *	The University of Michigan
     22  *	c/o Wesley Craig
     23  *	535 W. William Street
     24  *	Ann Arbor, Michigan
     25  *	+1-313-764-2278
     26  *	netatalk (at) umich.edu
     27  */
     28 
     29 #include <sys/param.h>
     30 #include <sys/systm.h>
     31 #include <sys/protosw.h>
     32 #include <sys/domain.h>
     33 #include <sys/types.h>
     34 #include <sys/socket.h>
     35 
     36 #include <sys/kernel.h>
     37 #include <net/if.h>
     38 #include <net/radix.h>
     39 #include <net/if_ether.h>
     40 #include <netinet/in.h>
     41 #include <net/route.h>
     42 
     43 #include <netatalk/at.h>
     44 #include <netatalk/ddp.h>
     45 #include <netatalk/at_var.h>
     46 #include <netatalk/ddp_var.h>
     47 #include <netatalk/at_extern.h>
     48 
     49 
     50 struct protosw		atalksw[] = {
     51     {
     52 	/* Identifiers */
     53 	SOCK_DGRAM,	&atalkdomain,	ATPROTO_DDP,	PR_ATOMIC|PR_ADDR,
     54 	/*
     55 	 * protocol-protocol interface.
     56 	 * fields are pr_input, pr_output, pr_ctlinput, and pr_ctloutput.
     57 	 * pr_input can be called from the udp protocol stack for iptalk
     58 	 * packets bound for a local socket.
     59 	 * pr_output can be used by higher level appletalk protocols, should
     60 	 * they be included in the kernel.
     61 	 */
     62 	0,		ddp_output,	0,		0,
     63 	/* socket-protocol interface. */
     64 	ddp_usrreq,
     65 	/* utility routines. */
     66 	ddp_init,	0,		0,		0,
     67     },
     68 };
     69 
     70 struct domain		atalkdomain = {
     71     PF_APPLETALK,	"appletalk",	0,	0,	0,
     72     atalksw, &atalksw[sizeof(atalksw)/sizeof(atalksw[0])],
     73     0, rn_inithead,
     74     32,
     75     sizeof(struct sockaddr_at)
     76 };
     77 
     78 
     79