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 ctl_table nr_table[] = {
38	{
39		.ctl_name	= NET_NETROM_DEFAULT_PATH_QUALITY,
40		.procname	= "default_path_quality",
41		.data		= &sysctl_netrom_default_path_quality,
42		.maxlen		= sizeof(int),
43		.mode		= 0644,
44		.proc_handler	= &proc_dointvec_minmax,
45		.strategy	= &sysctl_intvec,
46		.extra1		= &min_quality,
47		.extra2		= &max_quality
48	},
49	{
50		.ctl_name	= NET_NETROM_OBSOLESCENCE_COUNT_INITIALISER,
51		.procname	= "obsolescence_count_initialiser",
52		.data		= &sysctl_netrom_obsolescence_count_initialiser,
53		.maxlen		= sizeof(int),
54		.mode		= 0644,
55		.proc_handler	= &proc_dointvec_minmax,
56		.strategy	= &sysctl_intvec,
57		.extra1		= &min_obs,
58		.extra2		= &max_obs
59	},
60	{
61		.ctl_name	= NET_NETROM_NETWORK_TTL_INITIALISER,
62		.procname	= "network_ttl_initialiser",
63		.data		= &sysctl_netrom_network_ttl_initialiser,
64		.maxlen		= sizeof(int),
65		.mode		= 0644,
66		.proc_handler	= &proc_dointvec_minmax,
67		.strategy	= &sysctl_intvec,
68		.extra1		= &min_ttl,
69		.extra2		= &max_ttl
70	},
71	{
72		.ctl_name	= NET_NETROM_TRANSPORT_TIMEOUT,
73		.procname	= "transport_timeout",
74		.data		= &sysctl_netrom_transport_timeout,
75		.maxlen		= sizeof(int),
76		.mode		= 0644,
77		.proc_handler	= &proc_dointvec_minmax,
78		.strategy	= &sysctl_intvec,
79		.extra1		= &min_t1,
80		.extra2		= &max_t1
81	},
82	{
83		.ctl_name	= NET_NETROM_TRANSPORT_MAXIMUM_TRIES,
84		.procname	= "transport_maximum_tries",
85		.data		= &sysctl_netrom_transport_maximum_tries,
86		.maxlen		= sizeof(int),
87		.mode		= 0644,
88		.proc_handler	= &proc_dointvec_minmax,
89		.strategy	= &sysctl_intvec,
90		.extra1		= &min_n2,
91		.extra2		= &max_n2
92	},
93	{
94		.ctl_name	= NET_NETROM_TRANSPORT_ACKNOWLEDGE_DELAY,
95		.procname	= "transport_acknowledge_delay",
96		.data		= &sysctl_netrom_transport_acknowledge_delay,
97		.maxlen		= sizeof(int),
98		.mode		= 0644,
99		.proc_handler	= &proc_dointvec_minmax,
100		.strategy	= &sysctl_intvec,
101		.extra1		= &min_t2,
102		.extra2		= &max_t2
103	},
104	{
105		.ctl_name	= NET_NETROM_TRANSPORT_BUSY_DELAY,
106		.procname	= "transport_busy_delay",
107		.data		= &sysctl_netrom_transport_busy_delay,
108		.maxlen		= sizeof(int),
109		.mode		= 0644,
110		.proc_handler	= &proc_dointvec_minmax,
111		.strategy	= &sysctl_intvec,
112		.extra1		= &min_t4,
113		.extra2		= &max_t4
114	},
115	{
116		.ctl_name	= NET_NETROM_TRANSPORT_REQUESTED_WINDOW_SIZE,
117		.procname	= "transport_requested_window_size",
118		.data		= &sysctl_netrom_transport_requested_window_size,
119		.maxlen		= sizeof(int),
120		.mode		= 0644,
121		.proc_handler	= &proc_dointvec_minmax,
122		.strategy	= &sysctl_intvec,
123		.extra1		= &min_window,
124		.extra2		= &max_window
125	},
126	{
127		.ctl_name	= NET_NETROM_TRANSPORT_NO_ACTIVITY_TIMEOUT,
128		.procname	= "transport_no_activity_timeout",
129		.data		= &sysctl_netrom_transport_no_activity_timeout,
130		.maxlen		= sizeof(int),
131		.mode		= 0644,
132		.proc_handler	= &proc_dointvec_minmax,
133		.strategy	= &sysctl_intvec,
134		.extra1		= &min_idle,
135		.extra2		= &max_idle
136	},
137	{
138		.ctl_name	= NET_NETROM_ROUTING_CONTROL,
139		.procname	= "routing_control",
140		.data		= &sysctl_netrom_routing_control,
141		.maxlen		= sizeof(int),
142		.mode		= 0644,
143		.proc_handler	= &proc_dointvec_minmax,
144		.strategy	= &sysctl_intvec,
145		.extra1		= &min_route,
146		.extra2		= &max_route
147	},
148	{
149		.ctl_name	= NET_NETROM_LINK_FAILS_COUNT,
150		.procname	= "link_fails_count",
151		.data		= &sysctl_netrom_link_fails_count,
152		.maxlen		= sizeof(int),
153		.mode		= 0644,
154		.proc_handler	= &proc_dointvec_minmax,
155		.strategy	= &sysctl_intvec,
156		.extra1		= &min_fails,
157		.extra2		= &max_fails
158	},
159	{
160		.ctl_name	= NET_NETROM_RESET,
161		.procname	= "reset",
162		.data		= &sysctl_netrom_reset_circuit,
163		.maxlen		= sizeof(int),
164		.mode		= 0644,
165		.proc_handler	= &proc_dointvec_minmax,
166		.strategy	= &sysctl_intvec,
167		.extra1		= &min_reset,
168		.extra2		= &max_reset
169	},
170	{ .ctl_name = 0 }
171};
172
173static ctl_table nr_dir_table[] = {
174	{
175		.ctl_name	= NET_NETROM,
176		.procname	= "netrom",
177		.mode		= 0555,
178		.child		= nr_table
179	},
180	{ .ctl_name = 0 }
181};
182
183static ctl_table nr_root_table[] = {
184	{
185		.ctl_name	= CTL_NET,
186		.procname	= "net",
187		.mode		= 0555,
188		.child		= nr_dir_table
189	},
190	{ .ctl_name = 0 }
191};
192
193void __init nr_register_sysctl(void)
194{
195	nr_table_header = register_sysctl_table(nr_root_table);
196}
197
198void nr_unregister_sysctl(void)
199{
200	unregister_sysctl_table(nr_table_header);
201}
202