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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}; | |
33 | ||
34 | static struct ctl_table_header *nr_table_header; | |
35 | ||
36 | static ctl_table nr_table[] = { | |
37 | { | |
38 | .ctl_name = NET_NETROM_DEFAULT_PATH_QUALITY, | |
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 | .strategy = &sysctl_intvec, | |
45 | .extra1 = &min_quality, | |
46 | .extra2 = &max_quality | |
47 | }, | |
48 | { | |
49 | .ctl_name = NET_NETROM_OBSOLESCENCE_COUNT_INITIALISER, | |
50 | .procname = "obsolescence_count_initialiser", | |
51 | .data = &sysctl_netrom_obsolescence_count_initialiser, | |
52 | .maxlen = sizeof(int), | |
53 | .mode = 0644, | |
54 | .proc_handler = &proc_dointvec_minmax, | |
55 | .strategy = &sysctl_intvec, | |
56 | .extra1 = &min_obs, | |
57 | .extra2 = &max_obs | |
58 | }, | |
59 | { | |
60 | .ctl_name = NET_NETROM_NETWORK_TTL_INITIALISER, | |
61 | .procname = "network_ttl_initialiser", | |
62 | .data = &sysctl_netrom_network_ttl_initialiser, | |
63 | .maxlen = sizeof(int), | |
64 | .mode = 0644, | |
65 | .proc_handler = &proc_dointvec_minmax, | |
66 | .strategy = &sysctl_intvec, | |
67 | .extra1 = &min_ttl, | |
68 | .extra2 = &max_ttl | |
69 | }, | |
70 | { | |
71 | .ctl_name = NET_NETROM_TRANSPORT_TIMEOUT, | |
72 | .procname = "transport_timeout", | |
73 | .data = &sysctl_netrom_transport_timeout, | |
74 | .maxlen = sizeof(int), | |
75 | .mode = 0644, | |
76 | .proc_handler = &proc_dointvec_minmax, | |
77 | .strategy = &sysctl_intvec, | |
78 | .extra1 = &min_t1, | |
79 | .extra2 = &max_t1 | |
80 | }, | |
81 | { | |
82 | .ctl_name = NET_NETROM_TRANSPORT_MAXIMUM_TRIES, | |
83 | .procname = "transport_maximum_tries", | |
84 | .data = &sysctl_netrom_transport_maximum_tries, | |
85 | .maxlen = sizeof(int), | |
86 | .mode = 0644, | |
87 | .proc_handler = &proc_dointvec_minmax, | |
88 | .strategy = &sysctl_intvec, | |
89 | .extra1 = &min_n2, | |
90 | .extra2 = &max_n2 | |
91 | }, | |
92 | { | |
93 | .ctl_name = NET_NETROM_TRANSPORT_ACKNOWLEDGE_DELAY, | |
94 | .procname = "transport_acknowledge_delay", | |
95 | .data = &sysctl_netrom_transport_acknowledge_delay, | |
96 | .maxlen = sizeof(int), | |
97 | .mode = 0644, | |
98 | .proc_handler = &proc_dointvec_minmax, | |
99 | .strategy = &sysctl_intvec, | |
100 | .extra1 = &min_t2, | |
101 | .extra2 = &max_t2 | |
102 | }, | |
103 | { | |
104 | .ctl_name = NET_NETROM_TRANSPORT_BUSY_DELAY, | |
105 | .procname = "transport_busy_delay", | |
106 | .data = &sysctl_netrom_transport_busy_delay, | |
107 | .maxlen = sizeof(int), | |
108 | .mode = 0644, | |
109 | .proc_handler = &proc_dointvec_minmax, | |
110 | .strategy = &sysctl_intvec, | |
111 | .extra1 = &min_t4, | |
112 | .extra2 = &max_t4 | |
113 | }, | |
114 | { | |
115 | .ctl_name = NET_NETROM_TRANSPORT_REQUESTED_WINDOW_SIZE, | |
116 | .procname = "transport_requested_window_size", | |
117 | .data = &sysctl_netrom_transport_requested_window_size, | |
118 | .maxlen = sizeof(int), | |
119 | .mode = 0644, | |
120 | .proc_handler = &proc_dointvec_minmax, | |
121 | .strategy = &sysctl_intvec, | |
122 | .extra1 = &min_window, | |
123 | .extra2 = &max_window | |
124 | }, | |
125 | { | |
126 | .ctl_name = NET_NETROM_TRANSPORT_NO_ACTIVITY_TIMEOUT, | |
127 | .procname = "transport_no_activity_timeout", | |
128 | .data = &sysctl_netrom_transport_no_activity_timeout, | |
129 | .maxlen = sizeof(int), | |
130 | .mode = 0644, | |
131 | .proc_handler = &proc_dointvec_minmax, | |
132 | .strategy = &sysctl_intvec, | |
133 | .extra1 = &min_idle, | |
134 | .extra2 = &max_idle | |
135 | }, | |
136 | { | |
137 | .ctl_name = NET_NETROM_ROUTING_CONTROL, | |
138 | .procname = "routing_control", | |
139 | .data = &sysctl_netrom_routing_control, | |
140 | .maxlen = sizeof(int), | |
141 | .mode = 0644, | |
142 | .proc_handler = &proc_dointvec_minmax, | |
143 | .strategy = &sysctl_intvec, | |
144 | .extra1 = &min_route, | |
145 | .extra2 = &max_route | |
146 | }, | |
147 | { | |
148 | .ctl_name = NET_NETROM_LINK_FAILS_COUNT, | |
149 | .procname = "link_fails_count", | |
150 | .data = &sysctl_netrom_link_fails_count, | |
151 | .maxlen = sizeof(int), | |
152 | .mode = 0644, | |
153 | .proc_handler = &proc_dointvec_minmax, | |
154 | .strategy = &sysctl_intvec, | |
155 | .extra1 = &min_fails, | |
156 | .extra2 = &max_fails | |
157 | }, | |
158 | { .ctl_name = 0 } | |
159 | }; | |
160 | ||
161 | static ctl_table nr_dir_table[] = { | |
162 | { | |
163 | .ctl_name = NET_NETROM, | |
164 | .procname = "netrom", | |
165 | .mode = 0555, | |
166 | .child = nr_table | |
167 | }, | |
168 | { .ctl_name = 0 } | |
169 | }; | |
170 | ||
171 | static ctl_table nr_root_table[] = { | |
172 | { | |
173 | .ctl_name = CTL_NET, | |
174 | .procname = "net", | |
175 | .mode = 0555, | |
176 | .child = nr_dir_table | |
177 | }, | |
178 | { .ctl_name = 0 } | |
179 | }; | |
180 | ||
181 | void __init nr_register_sysctl(void) | |
182 | { | |
183 | nr_table_header = register_sysctl_table(nr_root_table, 1); | |
184 | } | |
185 | ||
186 | void nr_unregister_sysctl(void) | |
187 | { | |
188 | unregister_sysctl_table(nr_table_header); | |
189 | } |