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1/* sysctl.c: Rx RPC control
2 *
3 * Copyright (C) 2002 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12#include <linux/sched.h>
13#include <linux/slab.h>
14#include <linux/module.h>
15#include <linux/sysctl.h>
16#include <rxrpc/types.h>
17#include <rxrpc/rxrpc.h>
18#include <asm/errno.h>
19#include "internal.h"
20
21int rxrpc_ktrace;
22int rxrpc_kdebug;
23int rxrpc_kproto;
24int rxrpc_knet;
25
26#ifdef CONFIG_SYSCTL
27static struct ctl_table_header *rxrpc_sysctl = NULL;
28
29static ctl_table rxrpc_sysctl_table[] = {
30 {
31 .ctl_name = 1,
32 .procname = "kdebug",
33 .data = &rxrpc_kdebug,
34 .maxlen = sizeof(int),
35 .mode = 0644,
36 .proc_handler = &proc_dointvec
37 },
38 {
39 .ctl_name = 2,
40 .procname = "ktrace",
41 .data = &rxrpc_ktrace,
42 .maxlen = sizeof(int),
43 .mode = 0644,
44 .proc_handler = &proc_dointvec
45 },
46 {
47 .ctl_name = 3,
48 .procname = "kproto",
49 .data = &rxrpc_kproto,
50 .maxlen = sizeof(int),
51 .mode = 0644,
52 .proc_handler = &proc_dointvec
53 },
54 {
55 .ctl_name = 4,
56 .procname = "knet",
57 .data = &rxrpc_knet,
58 .maxlen = sizeof(int),
59 .mode = 0644,
60 .proc_handler = &proc_dointvec
61 },
62 {
63 .ctl_name = 5,
64 .procname = "peertimo",
65 .data = &rxrpc_peer_timeout,
66 .maxlen = sizeof(unsigned long),
67 .mode = 0644,
68 .proc_handler = &proc_doulongvec_minmax
69 },
70 {
71 .ctl_name = 6,
72 .procname = "conntimo",
73 .data = &rxrpc_conn_timeout,
74 .maxlen = sizeof(unsigned long),
75 .mode = 0644,
76 .proc_handler = &proc_doulongvec_minmax
77 },
78 { .ctl_name = 0 }
79};
80
81static ctl_table rxrpc_dir_sysctl_table[] = {
82 {
83 .ctl_name = 1,
84 .procname = "rxrpc",
85 .maxlen = 0,
86 .mode = 0555,
87 .child = rxrpc_sysctl_table
88 },
89 { .ctl_name = 0 }
90};
91#endif /* CONFIG_SYSCTL */
92
93/*****************************************************************************/
94/*
95 * initialise the sysctl stuff for Rx RPC
96 */
97int rxrpc_sysctl_init(void)
98{
99#ifdef CONFIG_SYSCTL
100 rxrpc_sysctl = register_sysctl_table(rxrpc_dir_sysctl_table, 0);
101 if (!rxrpc_sysctl)
102 return -ENOMEM;
103#endif /* CONFIG_SYSCTL */
104
105 return 0;
106} /* end rxrpc_sysctl_init() */
107
108/*****************************************************************************/
109/*
110 * clean up the sysctl stuff for Rx RPC
111 */
112void rxrpc_sysctl_cleanup(void)
113{
114#ifdef CONFIG_SYSCTL
115 if (rxrpc_sysctl) {
116 unregister_sysctl_table(rxrpc_sysctl);
117 rxrpc_sysctl = NULL;
118 }
119#endif /* CONFIG_SYSCTL */
120
121} /* end rxrpc_sysctl_cleanup() */