xref: /titanic_51/usr/src/uts/common/inet/arp/arpddi.c (revision 35c0ca7e36fa9e428666351e49c6d6cf2151e87c)
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 2006 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 static void	arp_ddi_destroy();
46 static void	arp_ddi_init();
47 
48 #include "../inetddi.c"
49 
50 int
51 _init(void)
52 {
53 	int error;
54 
55 	arp_ddi_init();
56 	INET_BECOME_IP();
57 
58 	error = mod_install(&modlinkage);
59 	if (error != 0)
60 		arp_ddi_destroy();
61 	return (error);
62 }
63 
64 int
65 _fini(void)
66 {
67 	int error;
68 
69 	error = mod_remove(&modlinkage);
70 	if (error == 0)
71 		arp_ddi_destroy();
72 	return (error);
73 }
74 
75 int
76 _info(struct modinfo *modinfop)
77 {
78 	return (mod_info(&modlinkage, modinfop));
79 }
80 
81 
82 static void
83 arp_ddi_init()
84 {
85 	rw_init(&arl_g_lock, "ARP ARl lock", RW_DRIVER, NULL);
86 	arp_net_init();
87 	arp_hook_init();
88 }
89 
90 
91 static void
92 arp_ddi_destroy()
93 {
94 	arp_hook_destroy();
95 	arp_net_destroy();
96 	rw_destroy(&arl_g_lock);
97 }
98