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                .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 struct ctl_path nr_path[] = {
 174        { .procname = "net", .ctl_name = CTL_NET, },
 175        { .procname = "netrom", .ctl_name = NET_NETROM, },
 176        { }
 177};
 178
 179void __init nr_register_sysctl(void)
 180{
 181        nr_table_header = register_sysctl_paths(nr_path, nr_table);
 182}
 183
 184void nr_unregister_sysctl(void)
 185{
 186        unregister_sysctl_table(nr_table_header);
 187}
 188