xref: /openbmc/linux/net/rxrpc/sysctl.c (revision d5cb9783536a41df9f9cba5b0a1d78047ed787f7)
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/config.h>
13 #include <linux/sched.h>
14 #include <linux/slab.h>
15 #include <linux/module.h>
16 #include <linux/sysctl.h>
17 #include <rxrpc/types.h>
18 #include <rxrpc/rxrpc.h>
19 #include <asm/errno.h>
20 #include "internal.h"
21 
22 int rxrpc_ktrace;
23 int rxrpc_kdebug;
24 int rxrpc_kproto;
25 int rxrpc_knet;
26 
27 #ifdef CONFIG_SYSCTL
28 static struct ctl_table_header *rxrpc_sysctl = NULL;
29 
30 static ctl_table rxrpc_sysctl_table[] = {
31         {
32 		.ctl_name	= 1,
33 		.procname	= "kdebug",
34 		.data		= &rxrpc_kdebug,
35 		.maxlen		= sizeof(int),
36 		.mode		= 0644,
37 		.proc_handler	= &proc_dointvec
38 	},
39         {
40 		.ctl_name	= 2,
41 		.procname	= "ktrace",
42 		.data		= &rxrpc_ktrace,
43 		.maxlen		= sizeof(int),
44 		.mode		= 0644,
45 		.proc_handler	= &proc_dointvec
46 	},
47         {
48 		.ctl_name	= 3,
49 		.procname	= "kproto",
50 		.data		= &rxrpc_kproto,
51 		.maxlen		= sizeof(int),
52 		.mode		= 0644,
53 		.proc_handler	= &proc_dointvec
54 	},
55         {
56 		.ctl_name	= 4,
57 		.procname	= "knet",
58 		.data		= &rxrpc_knet,
59 		.maxlen		= sizeof(int),
60 		.mode		= 0644,
61 		.proc_handler	= &proc_dointvec
62 	},
63         {
64 		.ctl_name	= 5,
65 		.procname	= "peertimo",
66 		.data		= &rxrpc_peer_timeout,
67 		.maxlen		= sizeof(unsigned long),
68 		.mode		= 0644,
69 		.proc_handler	= &proc_doulongvec_minmax
70 	},
71         {
72 		.ctl_name	= 6,
73 		.procname	= "conntimo",
74 		.data		= &rxrpc_conn_timeout,
75 		.maxlen		= sizeof(unsigned long),
76 		.mode		= 0644,
77 		.proc_handler	= &proc_doulongvec_minmax
78 	},
79 	{ .ctl_name = 0 }
80 };
81 
82 static ctl_table rxrpc_dir_sysctl_table[] = {
83 	{
84 		.ctl_name	= 1,
85 		.procname	= "rxrpc",
86 		.maxlen		= 0,
87 		.mode		= 0555,
88 		.child		= rxrpc_sysctl_table
89 	},
90 	{ .ctl_name = 0 }
91 };
92 #endif /* CONFIG_SYSCTL */
93 
94 /*****************************************************************************/
95 /*
96  * initialise the sysctl stuff for Rx RPC
97  */
98 int rxrpc_sysctl_init(void)
99 {
100 #ifdef CONFIG_SYSCTL
101 	rxrpc_sysctl = register_sysctl_table(rxrpc_dir_sysctl_table, 0);
102 	if (!rxrpc_sysctl)
103 		return -ENOMEM;
104 #endif /* CONFIG_SYSCTL */
105 
106 	return 0;
107 } /* end rxrpc_sysctl_init() */
108 
109 /*****************************************************************************/
110 /*
111  * clean up the sysctl stuff for Rx RPC
112  */
113 void rxrpc_sysctl_cleanup(void)
114 {
115 #ifdef CONFIG_SYSCTL
116 	if (rxrpc_sysctl) {
117 		unregister_sysctl_table(rxrpc_sysctl);
118 		rxrpc_sysctl = NULL;
119 	}
120 #endif /* CONFIG_SYSCTL */
121 
122 } /* end rxrpc_sysctl_cleanup() */
123