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/llc.h>
11
12#ifndef CONFIG_SYSCTL
13#error This file should not be compiled without CONFIG_SYSCTL defined
14#endif
15
16static struct ctl_table llc2_timeout_table[] = {
17	{
18		.ctl_name	= NET_LLC2_ACK_TIMEOUT,
19		.procname	= "ack",
20		.data		= &sysctl_llc2_ack_timeout,
21		.maxlen		= sizeof(long),
22		.mode		= 0644,
23		.proc_handler   = &proc_dointvec_jiffies,
24		.strategy       = &sysctl_jiffies,
25	},
26	{
27		.ctl_name	= NET_LLC2_BUSY_TIMEOUT,
28		.procname	= "busy",
29		.data		= &sysctl_llc2_busy_timeout,
30		.maxlen		= sizeof(long),
31		.mode		= 0644,
32		.proc_handler   = &proc_dointvec_jiffies,
33		.strategy       = &sysctl_jiffies,
34	},
35	{
36		.ctl_name	= NET_LLC2_P_TIMEOUT,
37		.procname	= "p",
38		.data		= &sysctl_llc2_p_timeout,
39		.maxlen		= sizeof(long),
40		.mode		= 0644,
41		.proc_handler   = &proc_dointvec_jiffies,
42		.strategy       = &sysctl_jiffies,
43	},
44	{
45		.ctl_name	= NET_LLC2_REJ_TIMEOUT,
46		.procname	= "rej",
47		.data		= &sysctl_llc2_rej_timeout,
48		.maxlen		= sizeof(long),
49		.mode		= 0644,
50		.proc_handler   = &proc_dointvec_jiffies,
51		.strategy       = &sysctl_jiffies,
52	},
53	{ 0 },
54};
55
56static struct ctl_table llc_station_table[] = {
57	{
58		.ctl_name	= NET_LLC_STATION_ACK_TIMEOUT,
59		.procname	= "ack_timeout",
60		.data		= &sysctl_llc_station_ack_timeout,
61		.maxlen		= sizeof(long),
62		.mode		= 0644,
63		.proc_handler   = &proc_dointvec_jiffies,
64		.strategy       = &sysctl_jiffies,
65	},
66	{ 0 },
67};
68
69static struct ctl_table llc2_dir_timeout_table[] = {
70	{
71		.ctl_name	= NET_LLC2,
72		.procname	= "timeout",
73		.mode		= 0555,
74		.child		= llc2_timeout_table,
75	},
76	{ 0 },
77};
78
79static struct ctl_table llc_table[] = {
80	{
81		.ctl_name	= NET_LLC2,
82		.procname	= "llc2",
83		.mode		= 0555,
84		.child		= llc2_dir_timeout_table,
85	},
86	{
87		.ctl_name       = NET_LLC_STATION,
88		.procname       = "station",
89		.mode           = 0555,
90		.child          = llc_station_table,
91	},
92	{ 0 },
93};
94
95static struct ctl_table llc_dir_table[] = {
96	{
97		.ctl_name	= NET_LLC,
98		.procname	= "llc",
99		.mode		= 0555,
100		.child		= llc_table,
101	},
102	{ 0 },
103};
104
105static struct ctl_table llc_root_table[] = {
106	{
107		.ctl_name	= CTL_NET,
108		.procname	= "net",
109		.mode		= 0555,
110		.child		= llc_dir_table,
111	},
112	{ 0 },
113};
114
115static struct ctl_table_header *llc_table_header;
116
117int __init llc_sysctl_init(void)
118{
119	llc_table_header = register_sysctl_table(llc_root_table);
120
121	return llc_table_header ? 0 : -ENOMEM;
122}
123
124void llc_sysctl_exit(void)
125{
126	if (llc_table_header) {
127		unregister_sysctl_table(llc_table_header);
128		llc_table_header = NULL;
129	}
130}
131