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TOMOYO Linux Cross Reference
Linux/net/netrom/sysctl_net_netrom.c

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  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 static int min_reset[]   = {0}, max_reset[]   = {1};
 34 
 35 static struct ctl_table_header *nr_table_header;
 36 
 37 static 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 
149 void __init nr_register_sysctl(void)
150 {
151         nr_table_header = register_net_sysctl(&init_net, "net/netrom", nr_table);
152 }
153 
154 void nr_unregister_sysctl(void)
155 {
156         unregister_net_sysctl_table(nr_table_header);
157 }
158 

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