1 /*
2 * net/tipc/sysctl.c: sysctl interface to TIPC subsystem
3 *
4 * Copyright (c) 2013, Wind River Systems
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the names of the copyright holders nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * Alternatively, this software may be distributed under the terms of the
20 * GNU General Public License ("GPL") version 2 as published by the Free
21 * Software Foundation.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36 #include "core.h"
37 #include "trace.h"
38
39 #include <linux/sysctl.h>
40
41 static struct ctl_table_header *tipc_ctl_hdr;
42
43 static struct ctl_table tipc_table[] = {
44 {
45 .procname = "tipc_rmem",
46 .data = &sysctl_tipc_rmem,
47 .maxlen = sizeof(sysctl_tipc_rmem),
48 .mode = 0644,
49 .proc_handler = proc_dointvec_minmax,
50 .extra1 = SYSCTL_ONE,
51 },
52 {
53 .procname = "named_timeout",
54 .data = &sysctl_tipc_named_timeout,
55 .maxlen = sizeof(sysctl_tipc_named_timeout),
56 .mode = 0644,
57 .proc_handler = proc_dointvec_minmax,
58 .extra1 = SYSCTL_ZERO,
59 },
60 {
61 .procname = "sk_filter",
62 .data = &sysctl_tipc_sk_filter,
63 .maxlen = sizeof(sysctl_tipc_sk_filter),
64 .mode = 0644,
65 .proc_handler = proc_doulongvec_minmax,
66 },
67 {}
68 };
69
70 int tipc_register_sysctl(void)
71 {
72 tipc_ctl_hdr = register_net_sysctl(&init_net, "net/tipc", tipc_table);
73 if (tipc_ctl_hdr == NULL)
74 return -ENOMEM;
75 return 0;
76 }
77
78 void tipc_unregister_sysctl(void)
79 {
80 unregister_net_sysctl_table(tipc_ctl_hdr);
81 }