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1da177e4 LT |
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 | */ | |
18 | static int min_quality[] = {0}, max_quality[] = {255}; | |
19 | static int min_obs[] = {0}, max_obs[] = {255}; | |
20 | static int min_ttl[] = {0}, max_ttl[] = {255}; | |
21 | static int min_t1[] = {5 * HZ}; | |
22 | static int max_t1[] = {600 * HZ}; | |
23 | static int min_n2[] = {2}, max_n2[] = {127}; | |
24 | static int min_t2[] = {1 * HZ}; | |
25 | static int max_t2[] = {60 * HZ}; | |
26 | static int min_t4[] = {1 * HZ}; | |
27 | static int max_t4[] = {1000 * HZ}; | |
28 | static int min_window[] = {1}, max_window[] = {127}; | |
29 | static int min_idle[] = {0 * HZ}; | |
30 | static int max_idle[] = {65535 * HZ}; | |
31 | static int min_route[] = {0}, max_route[] = {1}; | |
32 | static int min_fails[] = {1}, max_fails[] = {10}; | |
e21ce8c7 | 33 | static int min_reset[] = {0}, max_reset[] = {1}; |
1da177e4 LT |
34 | |
35 | static struct ctl_table_header *nr_table_header; | |
36 | ||
37 | static 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 | }, | |
e21ce8c7 RB |
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 | }, | |
1da177e4 LT |
170 | { .ctl_name = 0 } |
171 | }; | |
172 | ||
173 | static 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 | ||
183 | static 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 | ||
193 | void __init nr_register_sysctl(void) | |
194 | { | |
195 | nr_table_header = register_sysctl_table(nr_root_table, 1); | |
196 | } | |
197 | ||
198 | void nr_unregister_sysctl(void) | |
199 | { | |
200 | unregister_sysctl_table(nr_table_header); | |
201 | } |