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 | |
97 | int tipc_register_sysctl(void) |
98 | { |
99 | tipc_ctl_hdr = register_net_sysctl(&init_net, "net/tipc" , tipc_table); |
100 | if (tipc_ctl_hdr == NULL) |
101 | return -ENOMEM; |
102 | return 0; |
103 | } |
104 | |
105 | void tipc_unregister_sysctl(void) |
106 | { |
107 | unregister_net_sysctl_table(header: tipc_ctl_hdr); |
108 | } |
109 | |