1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#include <sys/sysmacros.h>
#include <sys/strsubr.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/modctl.h>
#include <sys/cmn_err.h>
#include <sys/vfs.h>
#include <inet/sdp_itf.h>
#include <fs/sockfs/sockcommon.h>
#include "socksdp.h"
struct sonode *socksdp_create(struct sockparams *, int, int, int,
int, int, int *, cred_t *);
static void socksdp_destroy(struct sonode *);
static __smod_priv_t sosdp_priv = {
socksdp_create,
socksdp_destroy,
NULL
};
static smod_reg_t sinfo = {
SOCKMOD_VERSION,
"socksdp",
SOCK_UC_VERSION,
SOCK_DC_VERSION,
NULL,
&sosdp_priv
};
/*
* Module linkage information for the kernel
*/
static struct modlsockmod modlsockmod = {
&mod_sockmodops, "SDP socket module", &sinfo
};
static struct modlinkage modlinkage = {
MODREV_1,
&modlsockmod,
NULL
};
/*
* Creates a sdp socket data structure.
*/
/* ARGSUSED */
struct sonode *
socksdp_create(struct sockparams *sp, int family, int type, int protocol,
int version, int sflags, int *errorp, cred_t *cr)
{
struct sonode *so;
int kmflags = (sflags & SOCKET_NOSLEEP) ? KM_NOSLEEP : KM_SLEEP;
dprint(4, ("Inside sosdp_create: domain:%d proto:%d type:%d",
family, protocol, type));
*errorp = 0;
if (is_system_labeled()) {
*errorp = EOPNOTSUPP;
return (NULL);
}
if (version == SOV_STREAM) {
*errorp = EINVAL;
return (NULL);
}
/*
* We only support one type of SDP socket. Let sotpi_create()
* handle all other cases, such as raw socket.
*/
if (!(family == AF_INET || family == AF_INET6) ||
!(type == SOCK_STREAM)) {
*errorp = EINVAL;
return (NULL);
}
so = kmem_cache_alloc(socket_cache, kmflags);
if (so == NULL) {
*errorp = ENOMEM;
return (NULL);
}
sonode_init(so, sp, family, type, protocol, &sosdp_sonodeops);
so->so_pollev |= SO_POLLEV_ALWAYS;
dprint(2, ("sosdp_create: %p domain %d type %d\n", (void *)so, family,
type));
if (version == SOV_DEFAULT) {
version = so_default_version;
}
so->so_version = (short)version;
/*
* set the default values to be INFPSZ
* if a protocol desires it can change the value later
*/
so->so_proto_props.sopp_rxhiwat = SOCKET_RECVHIWATER;
so->so_proto_props.sopp_rxlowat = SOCKET_RECVLOWATER;
so->so_proto_props.sopp_maxpsz = INFPSZ;
so->so_proto_props.sopp_maxblk = INFPSZ;
return (so);
}
static void
socksdp_destroy(struct sonode *so)
{
ASSERT(so->so_ops == &sosdp_sonodeops);
sosdp_fini(so, CRED());
kmem_cache_free(socket_cache, so);
}
int
_init(void)
{
return (mod_install(&modlinkage));
}
int
_fini(void)
{
return (mod_remove(&modlinkage));
}
int
_info(struct modinfo *modinfop)
{
return (mod_info(&modlinkage, modinfop));
}
|
