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 2009 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26/*
27 * This file implements the ioctl control path for the iptun driver.  The
28 * GLDv3 dld_ioc_register() mechanism is used to register iptun ioctls with
29 * the dld module.
30 */
31
32#include <sys/dld_ioc.h>
33#include <sys/policy.h>
34#include <inet/iptun.h>
35#include "iptun_impl.h"
36
37/* ARGSUSED */
38static int
39iptun_ioc_create(void *karg, intptr_t arg, int mode, cred_t *cred, int *rvalp)
40{
41	return (iptun_create(karg, cred));
42}
43
44/* ARGSUSED */
45static int
46iptun_ioc_delete(void *karg, intptr_t arg, int mode, cred_t *cred, int *rvalp)
47{
48	return (iptun_delete(*(datalink_id_t *)karg, cred));
49}
50
51/* ARGSUSED */
52static int
53iptun_ioc_modify(void *karg, intptr_t arg, int mode, cred_t *cred, int *rvalp)
54{
55	return (iptun_modify(karg, cred));
56}
57
58/* ARGSUSED */
59static int
60iptun_ioc_info(void *karg, intptr_t arg, int mode, cred_t *cred, int *rvalp)
61{
62	return (iptun_info(karg, cred));
63}
64
65/* ARGSUSED */
66static int
67iptun_ioc_set_6to4relay(void *karg, intptr_t arg, int mode, cred_t *cred,
68    int *rvalp)
69{
70	ipaddr_t	*relay = karg;
71	netstack_t	*ns = netstack_find_by_cred(cred);
72	int		err;
73
74	err = iptun_set_6to4relay(ns, *relay);
75	netstack_rele(ns);
76	return (err);
77}
78
79/* ARGSUSED */
80static int
81iptun_ioc_get_6to4relay(void *karg, intptr_t arg, int mode, cred_t *cred,
82    int *rvalp)
83{
84	ipaddr_t	*relay = karg;
85	netstack_t	*ns = netstack_find_by_cred(cred);
86
87	iptun_get_6to4relay(ns, relay);
88	netstack_rele(ns);
89	return (0);
90}
91
92static dld_ioc_info_t	iptun_ioc_list[] = {
93	{ IPTUN_CREATE,		DLDCOPYIN,	sizeof (iptun_kparams_t),
94	    iptun_ioc_create,		secpolicy_iptun_config},
95	{ IPTUN_DELETE,		DLDCOPYIN,	sizeof (datalink_id_t),
96	    iptun_ioc_delete,		secpolicy_iptun_config},
97	{ IPTUN_MODIFY,		DLDCOPYIN,	sizeof (iptun_kparams_t),
98	    iptun_ioc_modify,		secpolicy_iptun_config},
99	{ IPTUN_INFO,		DLDCOPYINOUT,	sizeof (iptun_kparams_t),
100	    iptun_ioc_info,		NULL},
101	{ IPTUN_SET_6TO4RELAY,	DLDCOPYIN,	sizeof (struct in_addr),
102	    iptun_ioc_set_6to4relay,	secpolicy_iptun_config},
103	{ IPTUN_GET_6TO4RELAY,	DLDCOPYINOUT,	sizeof (struct in_addr),
104	    iptun_ioc_get_6to4relay,	NULL}
105};
106
107int
108iptun_ioc_init(void)
109{
110	return (dld_ioc_register(IPTUN_IOC, iptun_ioc_list,
111	    DLDIOCCNT(iptun_ioc_list)));
112}
113
114void
115iptun_ioc_fini(void)
116{
117	dld_ioc_unregister(IPTUN_IOC);
118}
119