sysctl_net_llc.c revision 5dd3df105b9f6cb7dd2472b59e028d0d1c878ecb 
1/*
2 * sysctl_net_llc.c: sysctl interface to LLC net subsystem.
3 *
4 * Arnaldo Carvalho de Melo <acme@conectiva.com.br>
5 */
6
7#include <linux/mm.h>
8#include <linux/init.h>
9#include <linux/sysctl.h>
10#include <net/net_namespace.h>
11#include <net/llc.h>
12
13#ifndef CONFIG_SYSCTL
14#error This file should not be compiled without CONFIG_SYSCTL defined
15#endif
16
17static struct ctl_table llc2_timeout_table[] = {
18	{
19		.procname	= "ack",
20		.data		= &sysctl_llc2_ack_timeout,
21		.maxlen		= sizeof(long),
22		.mode		= 0644,
23		.proc_handler   = proc_dointvec_jiffies,
24	},
25	{
26		.procname	= "busy",
27		.data		= &sysctl_llc2_busy_timeout,
28		.maxlen		= sizeof(long),
29		.mode		= 0644,
30		.proc_handler   = proc_dointvec_jiffies,
31	},
32	{
33		.procname	= "p",
34		.data		= &sysctl_llc2_p_timeout,
35		.maxlen		= sizeof(long),
36		.mode		= 0644,
37		.proc_handler   = proc_dointvec_jiffies,
38	},
39	{
40		.procname	= "rej",
41		.data		= &sysctl_llc2_rej_timeout,
42		.maxlen		= sizeof(long),
43		.mode		= 0644,
44		.proc_handler   = proc_dointvec_jiffies,
45	},
46	{ },
47};
48
49static struct ctl_table llc_station_table[] = {
50	{
51		.procname	= "ack_timeout",
52		.data		= &sysctl_llc_station_ack_timeout,
53		.maxlen		= sizeof(long),
54		.mode		= 0644,
55		.proc_handler   = proc_dointvec_jiffies,
56	},
57	{ },
58};
59
60static struct ctl_table llc2_dir_timeout_table[] = {
61	{
62		.procname	= "timeout",
63		.mode		= 0555,
64		.child		= llc2_timeout_table,
65	},
66	{ },
67};
68
69static struct ctl_table llc_table[] = {
70	{
71		.procname	= "llc2",
72		.mode		= 0555,
73		.child		= llc2_dir_timeout_table,
74	},
75	{
76		.procname       = "station",
77		.mode           = 0555,
78		.child          = llc_station_table,
79	},
80	{ },
81};
82
83static struct ctl_path llc_path[] = {
84	{ .procname = "net", },
85	{ .procname = "llc", },
86	{ }
87};
88
89static struct ctl_table_header *llc_table_header;
90
91int __init llc_sysctl_init(void)
92{
93	llc_table_header = register_net_sysctl_table(&init_net, llc_path, llc_table);
94
95	return llc_table_header ? 0 : -ENOMEM;
96}
97
98void llc_sysctl_exit(void)
99{
100	if (llc_table_header) {
101		unregister_net_sysctl_table(llc_table_header);
102		llc_table_header = NULL;
103	}
104}
105