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		.procname	= "ack",
 19		.data		= &sysctl_llc2_ack_timeout,
 20		.maxlen		= sizeof(long),
 21		.mode		= 0644,
 22		.proc_handler   = proc_dointvec_jiffies,
 23	},
 24	{
 25		.procname	= "busy",
 26		.data		= &sysctl_llc2_busy_timeout,
 27		.maxlen		= sizeof(long),
 28		.mode		= 0644,
 29		.proc_handler   = proc_dointvec_jiffies,
 30	},
 31	{
 32		.procname	= "p",
 33		.data		= &sysctl_llc2_p_timeout,
 34		.maxlen		= sizeof(long),
 35		.mode		= 0644,
 36		.proc_handler   = proc_dointvec_jiffies,
 37	},
 38	{
 39		.procname	= "rej",
 40		.data		= &sysctl_llc2_rej_timeout,
 41		.maxlen		= sizeof(long),
 42		.mode		= 0644,
 43		.proc_handler   = proc_dointvec_jiffies,
 44	},
 45	{ },
 46};
 47
 48static struct ctl_table llc_station_table[] = {
 49	{
 50		.procname	= "ack_timeout",
 51		.data		= &sysctl_llc_station_ack_timeout,
 52		.maxlen		= sizeof(long),
 53		.mode		= 0644,
 54		.proc_handler   = proc_dointvec_jiffies,
 55	},
 56	{ },
 57};
 58
 59static struct ctl_table llc2_dir_timeout_table[] = {
 60	{
 61		.procname	= "timeout",
 62		.mode		= 0555,
 63		.child		= llc2_timeout_table,
 64	},
 65	{ },
 66};
 67
 68static struct ctl_table llc_table[] = {
 69	{
 70		.procname	= "llc2",
 71		.mode		= 0555,
 72		.child		= llc2_dir_timeout_table,
 73	},
 74	{
 75		.procname       = "station",
 76		.mode           = 0555,
 77		.child          = llc_station_table,
 78	},
 79	{ },
 80};
 81
 82static struct ctl_path llc_path[] = {
 83	{ .procname = "net", },
 84	{ .procname = "llc", },
 85	{ }
 86};
 87
 88static struct ctl_table_header *llc_table_header;
 89
 90int __init llc_sysctl_init(void)
 91{
 92	llc_table_header = register_sysctl_paths(llc_path, llc_table);
 93
 94	return llc_table_header ? 0 : -ENOMEM;
 
 
 
 
 
 
 95}
 96
 97void llc_sysctl_exit(void)
 98{
 99	if (llc_table_header) {
100		unregister_sysctl_table(llc_table_header);
101		llc_table_header = NULL;
 
 
 
 
102	}
103}

 1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * sysctl_net_llc.c: sysctl interface to LLC net subsystem.
 4 *
 5 * Arnaldo Carvalho de Melo <acme@conectiva.com.br>
 6 */
 7
 8#include <linux/mm.h>
 9#include <linux/init.h>
10#include <linux/sysctl.h>
11#include <net/net_namespace.h>
12#include <net/llc.h>
13
14#ifndef CONFIG_SYSCTL
15#error This file should not be compiled without CONFIG_SYSCTL defined
16#endif
17
18static struct ctl_table llc2_timeout_table[] = {
19	{
20		.procname	= "ack",
21		.data		= &sysctl_llc2_ack_timeout,
22		.maxlen		= sizeof(sysctl_llc2_ack_timeout),
23		.mode		= 0644,
24		.proc_handler   = proc_dointvec_jiffies,
25	},
26	{
27		.procname	= "busy",
28		.data		= &sysctl_llc2_busy_timeout,
29		.maxlen		= sizeof(sysctl_llc2_busy_timeout),
30		.mode		= 0644,
31		.proc_handler   = proc_dointvec_jiffies,
32	},
33	{
34		.procname	= "p",
35		.data		= &sysctl_llc2_p_timeout,
36		.maxlen		= sizeof(sysctl_llc2_p_timeout),
37		.mode		= 0644,
38		.proc_handler   = proc_dointvec_jiffies,
39	},
40	{
41		.procname	= "rej",
42		.data		= &sysctl_llc2_rej_timeout,
43		.maxlen		= sizeof(sysctl_llc2_rej_timeout),
44		.mode		= 0644,
45		.proc_handler   = proc_dointvec_jiffies,
46	},
 
47};
48
49static struct ctl_table_header *llc2_timeout_header;
50static struct ctl_table_header *llc_station_header;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
51
52int __init llc_sysctl_init(void)
53{
54	struct ctl_table empty[1] = {};
55	llc2_timeout_header = register_net_sysctl(&init_net, "net/llc/llc2/timeout", llc2_timeout_table);
56	llc_station_header = register_net_sysctl_sz(&init_net, "net/llc/station", empty, 0);
57
58	if (!llc2_timeout_header || !llc_station_header) {
59		llc_sysctl_exit();
60		return -ENOMEM;
61	}
62	return 0;
63}
64
65void llc_sysctl_exit(void)
66{
67	if (llc2_timeout_header) {
68		unregister_net_sysctl_table(llc2_timeout_header);
69		llc2_timeout_header = NULL;
70	}
71	if (llc_station_header) {
72		unregister_net_sysctl_table(llc_station_header);
73		llc_station_header = NULL;
74	}
75}