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 */
  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                .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
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