1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 *
4 * Copyright (C) 1996 Mike Shaver (shaver@zeroknowledge.com)
5 */
6#include <linux/mm.h>
7#include <linux/sysctl.h>
8#include <linux/init.h>
9#include <net/ax25.h>
10#include <net/rose.h>
11
12static int min_timer[]  = {1 * HZ};
13static int max_timer[]  = {300 * HZ};
14static int min_idle[]   = {0 * HZ};
15static int max_idle[]   = {65535 * HZ};
16static int min_route[1],       max_route[] = {1};
17static int min_ftimer[] = {60 * HZ};
18static int max_ftimer[] = {600 * HZ};
19static int min_maxvcs[] = {1}, max_maxvcs[] = {254};
20static int min_window[] = {1}, max_window[] = {7};
21
22static struct ctl_table_header *rose_table_header;
23
24static struct ctl_table rose_table[] = {
25	{
26		.procname	= "restart_request_timeout",
27		.data		= &sysctl_rose_restart_request_timeout,
28		.maxlen		= sizeof(int),
29		.mode		= 0644,
30		.proc_handler	= proc_dointvec_minmax,
31		.extra1		= &min_timer,
32		.extra2		= &max_timer
33	},
34	{
35		.procname	= "call_request_timeout",
36		.data		= &sysctl_rose_call_request_timeout,
37		.maxlen		= sizeof(int),
38		.mode		= 0644,
39		.proc_handler	= proc_dointvec_minmax,
40		.extra1		= &min_timer,
41		.extra2		= &max_timer
42	},
43	{
44		.procname	= "reset_request_timeout",
45		.data		= &sysctl_rose_reset_request_timeout,
46		.maxlen		= sizeof(int),
47		.mode		= 0644,
48		.proc_handler	= proc_dointvec_minmax,
49		.extra1		= &min_timer,
50		.extra2		= &max_timer
51	},
52	{
53		.procname	= "clear_request_timeout",
54		.data		= &sysctl_rose_clear_request_timeout,
55		.maxlen		= sizeof(int),
56		.mode		= 0644,
57		.proc_handler	= proc_dointvec_minmax,
58		.extra1		= &min_timer,
59		.extra2		= &max_timer
60	},
61	{
62		.procname	= "no_activity_timeout",
63		.data		= &sysctl_rose_no_activity_timeout,
64		.maxlen		= sizeof(int),
65		.mode		= 0644,
66		.proc_handler	= proc_dointvec_minmax,
67		.extra1		= &min_idle,
68		.extra2		= &max_idle
69	},
70	{
71		.procname	= "acknowledge_hold_back_timeout",
72		.data		= &sysctl_rose_ack_hold_back_timeout,
73		.maxlen		= sizeof(int),
74		.mode		= 0644,
75		.proc_handler	= proc_dointvec_minmax,
76		.extra1		= &min_timer,
77		.extra2		= &max_timer
78	},
79	{
80		.procname	= "routing_control",
81		.data		= &sysctl_rose_routing_control,
82		.maxlen		= sizeof(int),
83		.mode		= 0644,
84		.proc_handler	= proc_dointvec_minmax,
85		.extra1		= &min_route,
86		.extra2		= &max_route
87	},
88	{
89		.procname	= "link_fail_timeout",
90		.data		= &sysctl_rose_link_fail_timeout,
91		.maxlen		= sizeof(int),
92		.mode		= 0644,
93		.proc_handler	= proc_dointvec_minmax,
94		.extra1		= &min_ftimer,
95		.extra2		= &max_ftimer
96	},
97	{
98		.procname	= "maximum_virtual_circuits",
99		.data		= &sysctl_rose_maximum_vcs,
100		.maxlen		= sizeof(int),
101		.mode		= 0644,
102		.proc_handler	= proc_dointvec_minmax,
103		.extra1		= &min_maxvcs,
104		.extra2		= &max_maxvcs
105	},
106	{
107		.procname	= "window_size",
108		.data		= &sysctl_rose_window_size,
109		.maxlen		= sizeof(int),
110		.mode		= 0644,
111		.proc_handler	= proc_dointvec_minmax,
112		.extra1		= &min_window,
113		.extra2		= &max_window
114	},
115	{ }
116};
117
118void __init rose_register_sysctl(void)
119{
120	rose_table_header = register_net_sysctl(&init_net, "net/rose", rose_table);
121}
122
123void rose_unregister_sysctl(void)
124{
125	unregister_net_sysctl_table(rose_table_header);
126}
127