xref: /titanic_41/usr/src/uts/common/inet/arp/arpddi.c (revision a90d965d832a5578dbfc2eadd1617e8cccf25264)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 /* Copyright (c) 1990 Mentat Inc. */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 #include <sys/types.h>
30 #include <sys/conf.h>
31 #include <sys/modctl.h>
32 #include <sys/ksynch.h>
33 #include <inet/common.h>
34 #include <inet/ip.h>
35 #include <inet/arp_impl.h>
36 
37 #define	INET_NAME	"arp"
38 #define	INET_MODDESC	"ARP STREAMS module %I%"
39 #define	INET_DEVDESC	"ARP STREAMS driver %I%"
40 #define	INET_DEVMINOR	IPV4_MINOR
41 #define	INET_STRTAB	arpinfo
42 #define	INET_DEVMTFLAGS	IP_DEVMTFLAGS	/* since as a driver we're ip */
43 #define	INET_MODMTFLAGS	(D_MP | D_MTPERMOD)
44 
45 #include "../inetddi.c"
46 
47 extern void arp_ddi_init(void);
48 extern void arp_ddi_destroy(void);
49 
50 int
51 _init(void)
52 {
53 	int	error;
54 
55 	INET_BECOME_IP();
56 
57 	/*
58 	 * Note: After mod_install succeeds, another thread can enter
59 	 * therefore all initialization is done before it and any
60 	 * de-initialization needed done if it fails.
61 	 */
62 	arp_ddi_init();
63 	error = mod_install(&modlinkage);
64 	if (error != 0)
65 		arp_ddi_destroy();
66 
67 	return (error);
68 }
69 
70 int
71 _fini(void)
72 {
73 	int	error;
74 
75 	error = mod_remove(&modlinkage);
76 	if (error == 0)
77 		arp_ddi_destroy();
78 	return (error);
79 }
80 
81 int
82 _info(struct modinfo *modinfop)
83 {
84 	return (mod_info(&modlinkage, modinfop));
85 }
86