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 #include "crypto.h"
39 #include "bcast.h"
40 #include <linux/sysctl.h>
41
42 static struct ctl_table_header *tipc_ctl_hdr;
43
44 static struct ctl_table tipc_table[] = {
45 {
46 .procname = "tipc_rmem",
47 .data = &sysctl_tipc_rmem,
48 .maxlen = sizeof(sysctl_tipc_rmem),
49 .mode = 0644,
50 .proc_handler = proc_dointvec_minmax,
51 .extra1 = SYSCTL_ONE,
52 },
53 {
54 .procname = "named_timeout",
55 .data = &sysctl_tipc_named_timeout,
56 .maxlen = sizeof(sysctl_tipc_named_timeout),
57 .mode = 0644,
58 .proc_handler = proc_dointvec_minmax,
59 .extra1 = SYSCTL_ZERO,
60 },
61 {
62 .procname = "sk_filter",
63 .data = &sysctl_tipc_sk_filter,
64 .maxlen = sizeof(sysctl_tipc_sk_filter),
65 .mode = 0644,
66 .proc_handler = proc_doulongvec_minmax,
67 },
68 #ifdef CONFIG_TIPC_CRYPTO
69 {
70 .procname = "max_tfms",
71 .data = &sysctl_tipc_max_tfms,
72 .maxlen = sizeof(sysctl_tipc_max_tfms),
73 .mode = 0644,
74 .proc_handler = proc_dointvec_minmax,
75 .extra1 = SYSCTL_ONE,
76 },
77 {
78 .procname = "key_exchange_enabled",
79 .data = &sysctl_tipc_key_exchange_enabled,
80 .maxlen = sizeof(sysctl_tipc_key_exchange_enabled),
81 .mode = 0644,
82 .proc_handler = proc_dointvec_minmax,
83 .extra1 = SYSCTL_ZERO,
84 .extra2 = SYSCTL_ONE,
85 },
86 #endif
87 {
88 .procname = "bc_retruni",
89 .data = &sysctl_tipc_bc_retruni,
90 .maxlen = sizeof(sysctl_tipc_bc_retruni),
91 .mode = 0644,
92 .proc_handler = proc_doulongvec_minmax,
93 },
94 };
95
96 int tipc_register_sysctl(void)
97 {
98 tipc_ctl_hdr = register_net_sysctl(&init_net, "net/tipc", tipc_table);
99 if (tipc_ctl_hdr == NULL)
100 return -ENOMEM;
101 return 0;
102 }
103
104 void tipc_unregister_sysctl(void)
105 {
106 unregister_net_sysctl_table(tipc_ctl_hdr);
107 }
108
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