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};
52
53static struct ctl_table_header *llc2_timeout_header;
54static struct ctl_table_header *llc_station_header;
55
56int __init llc_sysctl_init(void)
57{
58	llc2_timeout_header = register_net_sysctl(&init_net, "net/llc/llc2/timeout", llc2_timeout_table);
59	llc_station_header = register_net_sysctl(&init_net, "net/llc/station", llc_station_table);
60
61	if (!llc2_timeout_header || !llc_station_header) {
62		llc_sysctl_exit();
63		return -ENOMEM;
64	}
65	return 0;
66}
67
68void llc_sysctl_exit(void)
69{
70	if (llc2_timeout_header) {
71		unregister_net_sysctl_table(llc2_timeout_header);
72		llc2_timeout_header = NULL;
73	}
74	if (llc_station_header) {
75		unregister_net_sysctl_table(llc_station_header);
76		llc_station_header = NULL;
77	}
78}
79