xref: /titanic_44/usr/src/uts/common/inet/arp/arpddi.c (revision 2b4a78020b9c38d1b95e2f3fefa6d6e4be382d1f)
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 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 /* Copyright (c) 1990 Mentat Inc. */
26 
27 #include <sys/types.h>
28 #include <sys/conf.h>
29 #include <sys/modctl.h>
30 #include <sys/ksynch.h>
31 #include <inet/common.h>
32 #include <inet/ip.h>
33 #include <inet/arp_impl.h>
34 
35 #define	INET_NAME	"arp"
36 #define	INET_MODDESC	"ARP STREAMS module"
37 #define	INET_DEVDESC	"ARP STREAMS driver"
38 #define	INET_DEVMINOR	0
39 #define	INET_DEVSTRTAB	ipinfov4
40 #define	INET_MODSTRTAB	arpinfo
41 #define	INET_DEVMTFLAGS	IP_DEVMTFLAGS	/* since as a driver we're ip */
42 #define	INET_MODMTFLAGS	(D_MP | D_MTPERMOD)
43 
44 #include "../inetddi.c"
45 
46 extern void arp_ddi_init(void);
47 extern void arp_ddi_destroy(void);
48 
49 int
50 _init(void)
51 {
52 	int	error;
53 
54 	/*
55 	 * Note: After mod_install succeeds, another thread can enter
56 	 * therefore all initialization is done before it and any
57 	 * de-initialization needed done if it fails.
58 	 */
59 	arp_ddi_init();
60 	error = mod_install(&modlinkage);
61 	if (error != 0)
62 		arp_ddi_destroy();
63 
64 	return (error);
65 }
66 
67 int
68 _fini(void)
69 {
70 	int	error;
71 
72 	error = mod_remove(&modlinkage);
73 	if (error == 0)
74 		arp_ddi_destroy();
75 	return (error);
76 }
77 
78 int
79 _info(struct modinfo *modinfop)
80 {
81 	return (mod_info(&modlinkage, modinfop));
82 }
83