1 /*
2  * This program is free software; you can redistribute it and/or modify
3  * it under the terms of the GNU General Public License as published by
4  * the Free Software Foundation; either version 2 of the License, or
5  * (at your option) any later version.
6  *
7  * Copyright (C) 1996 Mike Shaver (shaver@zeroknowledge.com)
8  */
9 #include <linux/mm.h>
10 #include <linux/sysctl.h>
11 #include <linux/init.h>
12 #include <net/ax25.h>
13 #include <net/rose.h>
14 
15 static int min_timer[]  = {1 * HZ};
16 static int max_timer[]  = {300 * HZ};
17 static int min_idle[]   = {0 * HZ};
18 static int max_idle[]   = {65535 * HZ};
19 static int min_route[1],       max_route[] = {1};
20 static int min_ftimer[] = {60 * HZ};
21 static int max_ftimer[] = {600 * HZ};
22 static int min_maxvcs[] = {1}, max_maxvcs[] = {254};
23 static int min_window[] = {1}, max_window[] = {7};
24 
25 static struct ctl_table_header *rose_table_header;
26 
27 static ctl_table rose_table[] = {
28 	{
29 		.procname	= "restart_request_timeout",
30 		.data		= &sysctl_rose_restart_request_timeout,
31 		.maxlen		= sizeof(int),
32 		.mode		= 0644,
33 		.proc_handler	= proc_dointvec_minmax,
34 		.extra1		= &min_timer,
35 		.extra2		= &max_timer
36 	},
37 	{
38 		.procname	= "call_request_timeout",
39 		.data		= &sysctl_rose_call_request_timeout,
40 		.maxlen		= sizeof(int),
41 		.mode		= 0644,
42 		.proc_handler	= proc_dointvec_minmax,
43 		.extra1		= &min_timer,
44 		.extra2		= &max_timer
45 	},
46 	{
47 		.procname	= "reset_request_timeout",
48 		.data		= &sysctl_rose_reset_request_timeout,
49 		.maxlen		= sizeof(int),
50 		.mode		= 0644,
51 		.proc_handler	= proc_dointvec_minmax,
52 		.extra1		= &min_timer,
53 		.extra2		= &max_timer
54 	},
55 	{
56 		.procname	= "clear_request_timeout",
57 		.data		= &sysctl_rose_clear_request_timeout,
58 		.maxlen		= sizeof(int),
59 		.mode		= 0644,
60 		.proc_handler	= proc_dointvec_minmax,
61 		.extra1		= &min_timer,
62 		.extra2		= &max_timer
63 	},
64 	{
65 		.procname	= "no_activity_timeout",
66 		.data		= &sysctl_rose_no_activity_timeout,
67 		.maxlen		= sizeof(int),
68 		.mode		= 0644,
69 		.proc_handler	= proc_dointvec_minmax,
70 		.extra1		= &min_idle,
71 		.extra2		= &max_idle
72 	},
73 	{
74 		.procname	= "acknowledge_hold_back_timeout",
75 		.data		= &sysctl_rose_ack_hold_back_timeout,
76 		.maxlen		= sizeof(int),
77 		.mode		= 0644,
78 		.proc_handler	= proc_dointvec_minmax,
79 		.extra1		= &min_timer,
80 		.extra2		= &max_timer
81 	},
82 	{
83 		.procname	= "routing_control",
84 		.data		= &sysctl_rose_routing_control,
85 		.maxlen		= sizeof(int),
86 		.mode		= 0644,
87 		.proc_handler	= proc_dointvec_minmax,
88 		.extra1		= &min_route,
89 		.extra2		= &max_route
90 	},
91 	{
92 		.procname	= "link_fail_timeout",
93 		.data		= &sysctl_rose_link_fail_timeout,
94 		.maxlen		= sizeof(int),
95 		.mode		= 0644,
96 		.proc_handler	= proc_dointvec_minmax,
97 		.extra1		= &min_ftimer,
98 		.extra2		= &max_ftimer
99 	},
100 	{
101 		.procname	= "maximum_virtual_circuits",
102 		.data		= &sysctl_rose_maximum_vcs,
103 		.maxlen		= sizeof(int),
104 		.mode		= 0644,
105 		.proc_handler	= proc_dointvec_minmax,
106 		.extra1		= &min_maxvcs,
107 		.extra2		= &max_maxvcs
108 	},
109 	{
110 		.procname	= "window_size",
111 		.data		= &sysctl_rose_window_size,
112 		.maxlen		= sizeof(int),
113 		.mode		= 0644,
114 		.proc_handler	= proc_dointvec_minmax,
115 		.extra1		= &min_window,
116 		.extra2		= &max_window
117 	},
118 	{ }
119 };
120 
121 static struct ctl_path rose_path[] = {
122 	{ .procname = "net", },
123 	{ .procname = "rose", },
124 	{ }
125 };
126 
rose_register_sysctl(void)127 void __init rose_register_sysctl(void)
128 {
129 	rose_table_header = register_sysctl_paths(rose_path, rose_table);
130 }
131 
rose_unregister_sysctl(void)132 void rose_unregister_sysctl(void)
133 {
134 	unregister_sysctl_table(rose_table_header);
135 }
136