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/netrom.h>
14
15/*
16 *	Values taken from NET/ROM documentation.
17 */
18static int min_quality[] = {0}, max_quality[] = {255};
19static int min_obs[]     = {0}, max_obs[]     = {255};
20static int min_ttl[]     = {0}, max_ttl[]     = {255};
21static int min_t1[]      = {5 * HZ};
22static int max_t1[]      = {600 * HZ};
23static int min_n2[]      = {2}, max_n2[]      = {127};
24static int min_t2[]      = {1 * HZ};
25static int max_t2[]      = {60 * HZ};
26static int min_t4[]      = {1 * HZ};
27static int max_t4[]      = {1000 * HZ};
28static int min_window[]  = {1}, max_window[]  = {127};
29static int min_idle[]    = {0 * HZ};
30static int max_idle[]    = {65535 * HZ};
31static int min_route[]   = {0}, max_route[]   = {1};
32static int min_fails[]   = {1}, max_fails[]   = {10};
33static int min_reset[]   = {0}, max_reset[]   = {1};
34
35static struct ctl_table_header *nr_table_header;
36
37static struct ctl_table nr_table[] = {
38	{
39		.procname	= "default_path_quality",
40		.data		= &sysctl_netrom_default_path_quality,
41		.maxlen		= sizeof(int),
42		.mode		= 0644,
43		.proc_handler	= proc_dointvec_minmax,
44		.extra1		= &min_quality,
45		.extra2		= &max_quality
46	},
47	{
48		.procname	= "obsolescence_count_initialiser",
49		.data		= &sysctl_netrom_obsolescence_count_initialiser,
50		.maxlen		= sizeof(int),
51		.mode		= 0644,
52		.proc_handler	= proc_dointvec_minmax,
53		.extra1		= &min_obs,
54		.extra2		= &max_obs
55	},
56	{
57		.procname	= "network_ttl_initialiser",
58		.data		= &sysctl_netrom_network_ttl_initialiser,
59		.maxlen		= sizeof(int),
60		.mode		= 0644,
61		.proc_handler	= proc_dointvec_minmax,
62		.extra1		= &min_ttl,
63		.extra2		= &max_ttl
64	},
65	{
66		.procname	= "transport_timeout",
67		.data		= &sysctl_netrom_transport_timeout,
68		.maxlen		= sizeof(int),
69		.mode		= 0644,
70		.proc_handler	= proc_dointvec_minmax,
71		.extra1		= &min_t1,
72		.extra2		= &max_t1
73	},
74	{
75		.procname	= "transport_maximum_tries",
76		.data		= &sysctl_netrom_transport_maximum_tries,
77		.maxlen		= sizeof(int),
78		.mode		= 0644,
79		.proc_handler	= proc_dointvec_minmax,
80		.extra1		= &min_n2,
81		.extra2		= &max_n2
82	},
83	{
84		.procname	= "transport_acknowledge_delay",
85		.data		= &sysctl_netrom_transport_acknowledge_delay,
86		.maxlen		= sizeof(int),
87		.mode		= 0644,
88		.proc_handler	= proc_dointvec_minmax,
89		.extra1		= &min_t2,
90		.extra2		= &max_t2
91	},
92	{
93		.procname	= "transport_busy_delay",
94		.data		= &sysctl_netrom_transport_busy_delay,
95		.maxlen		= sizeof(int),
96		.mode		= 0644,
97		.proc_handler	= proc_dointvec_minmax,
98		.extra1		= &min_t4,
99		.extra2		= &max_t4
100	},
101	{
102		.procname	= "transport_requested_window_size",
103		.data		= &sysctl_netrom_transport_requested_window_size,
104		.maxlen		= sizeof(int),
105		.mode		= 0644,
106		.proc_handler	= proc_dointvec_minmax,
107		.extra1		= &min_window,
108		.extra2		= &max_window
109	},
110	{
111		.procname	= "transport_no_activity_timeout",
112		.data		= &sysctl_netrom_transport_no_activity_timeout,
113		.maxlen		= sizeof(int),
114		.mode		= 0644,
115		.proc_handler	= proc_dointvec_minmax,
116		.extra1		= &min_idle,
117		.extra2		= &max_idle
118	},
119	{
120		.procname	= "routing_control",
121		.data		= &sysctl_netrom_routing_control,
122		.maxlen		= sizeof(int),
123		.mode		= 0644,
124		.proc_handler	= proc_dointvec_minmax,
125		.extra1		= &min_route,
126		.extra2		= &max_route
127	},
128	{
129		.procname	= "link_fails_count",
130		.data		= &sysctl_netrom_link_fails_count,
131		.maxlen		= sizeof(int),
132		.mode		= 0644,
133		.proc_handler	= proc_dointvec_minmax,
134		.extra1		= &min_fails,
135		.extra2		= &max_fails
136	},
137	{
138		.procname	= "reset",
139		.data		= &sysctl_netrom_reset_circuit,
140		.maxlen		= sizeof(int),
141		.mode		= 0644,
142		.proc_handler	= proc_dointvec_minmax,
143		.extra1		= &min_reset,
144		.extra2		= &max_reset
145	},
146	{ }
147};
148
149void __init nr_register_sysctl(void)
150{
151	nr_table_header = register_net_sysctl(&init_net, "net/netrom", nr_table);
152}
153
154void nr_unregister_sysctl(void)
155{
156	unregister_net_sysctl_table(nr_table_header);
157}
158