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 */
38 static int
iptun_ioc_create(void * karg,intptr_t arg,int mode,cred_t * cred,int * rvalp)39 iptun_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 */
45 static int
iptun_ioc_delete(void * karg,intptr_t arg,int mode,cred_t * cred,int * rvalp)46 iptun_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 */
52 static int
iptun_ioc_modify(void * karg,intptr_t arg,int mode,cred_t * cred,int * rvalp)53 iptun_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 */
59 static int
iptun_ioc_info(void * karg,intptr_t arg,int mode,cred_t * cred,int * rvalp)60 iptun_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 */
66 static int
iptun_ioc_set_6to4relay(void * karg,intptr_t arg,int mode,cred_t * cred,int * rvalp)67 iptun_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 */
80 static int
iptun_ioc_get_6to4relay(void * karg,intptr_t arg,int mode,cred_t * cred,int * rvalp)81 iptun_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
92 static 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
107 int
iptun_ioc_init(void)108 iptun_ioc_init(void)
109 {
110 return (dld_ioc_register(IPTUN_IOC, iptun_ioc_list,
111 DLDIOCCNT(iptun_ioc_list)));
112 }
113
114 void
iptun_ioc_fini(void)115 iptun_ioc_fini(void)
116 {
117 dld_ioc_unregister(IPTUN_IOC);
118 }
119