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 (c) 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25 #include <sys/types.h>
26 #include <sys/conf.h>
27 #include <sys/modctl.h>
28 #include <sys/sunldi.h>
29 #include <inet/common.h>
30 #include <sys/strsubr.h>
31 #include <sys/socketvar.h>
32
33 extern sock_lower_handle_t rdsv3_create(int, int, int, sock_downcalls_t **,
34 uint_t *, int *, int, cred_t *);
35
36 #define INET_NAME "sockrds"
37 #define INET_DEVMINOR 0
38 #define INET_MODMTFLAGS D_MP
39 #define INET_SOCKDESC "RDSv3 socket module"
40 #define INET_SOCK_PROTO_CREATE_FUNC (*rdsv3_create)
41
42 #include "../inetddi.c"
43
44 ldi_ident_t sockrds_li;
45 ldi_handle_t rdsv3_transport_handle = NULL;
46
47 #define RDSV3_DEVICE_NAME "/devices/ib/rdsv3@0:rdsv3"
48
49 int
_init(void)50 _init(void)
51 {
52 int ret;
53
54 ret = ldi_ident_from_mod(&modlinkage, &sockrds_li);
55 if (ret != 0) {
56 sockrds_li = NULL;
57 goto done;
58 }
59
60 ret = ldi_open_by_name(RDSV3_DEVICE_NAME, FREAD | FWRITE, kcred,
61 &rdsv3_transport_handle, sockrds_li);
62 if (ret != 0) {
63 ldi_ident_release(sockrds_li);
64 sockrds_li = NULL;
65 rdsv3_transport_handle = NULL;
66 goto done;
67 }
68
69 ret = mod_install(&modlinkage);
70 if (ret != 0) {
71 (void) ldi_close(rdsv3_transport_handle, FNDELAY, kcred);
72 ldi_ident_release(sockrds_li);
73 sockrds_li = NULL;
74 rdsv3_transport_handle = NULL;
75 }
76
77 done:
78 return (ret);
79 }
80
81 int
_fini(void)82 _fini(void)
83 {
84 int ret;
85
86 ret = mod_remove(&modlinkage);
87 if (ret != 0) {
88 return (ret);
89 }
90
91 if (rdsv3_transport_handle != NULL) {
92 (void) ldi_close(rdsv3_transport_handle, FNDELAY, kcred);
93 rdsv3_transport_handle = NULL;
94 }
95
96 if (sockrds_li != NULL)
97 ldi_ident_release(sockrds_li);
98
99 return (0);
100 }
101
102 int
_info(struct modinfo * modinfop)103 _info(struct modinfo *modinfop)
104 {
105 return (mod_info(&modlinkage, modinfop));
106 }
107