net/netrom/sysctl_net_netrom.c

   1 /* -*- linux-c -*-
   2  * sysctl_net_netrom.c: sysctl interface to net NET/ROM subsystem.
   3  *
   4  * Begun April 1, 1996, Mike Shaver.
   5  * Added /proc/sys/net/netrom directory entry (empty =) ). [MS]
   6  */
   7
   8 #include <linux/mm.h>
   9 #include <linux/sysctl.h>
  10 #include <linux/init.h>
  11 #include <net/ax25.h>
  12 #include <net/netrom.h>
  13
  14 /*
  15  *      Values taken from NET/ROM documentation.
  16  */
  17 static int min_quality[] = {0}, max_quality[] = {255};
  18 static int min_obs[]     = {0}, max_obs[]     = {255};
  19 static int min_ttl[]     = {0}, max_ttl[]     = {255};
  20 static int min_t1[]      = {5 * HZ};
  21 static int max_t1[]      = {600 * HZ};
  22 static int min_n2[]      = {2}, max_n2[]      = {127};
  23 static int min_t2[]      = {1 * HZ};
  24 static int max_t2[]      = {60 * HZ};
  25 static int min_t4[]      = {1 * HZ};
  26 static int max_t4[]      = {1000 * HZ};
  27 static int min_window[]  = {1}, max_window[]  = {127};
  28 static int min_idle[]    = {0 * HZ};
  29 static int max_idle[]    = {65535 * HZ};
  30 static int min_route[]   = {0}, max_route[]   = {1};
  31 static int min_fails[]   = {1}, max_fails[]   = {10};
  32
  33 static struct ctl_table_header *nr_table_header;
  34
  35 static ctl_table nr_table[] = {
  36         {NET_NETROM_DEFAULT_PATH_QUALITY, "default_path_quality",
  37          &sysctl_netrom_default_path_quality, sizeof(int), 0644, NULL,
  38          &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_quality, &max_quality},
  39         {NET_NETROM_OBSOLESCENCE_COUNT_INITIALISER, "obsolescence_count_initialiser",
  40          &sysctl_netrom_obsolescence_count_initialiser, sizeof(int), 0644, NULL,
  41          &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_obs, &max_obs},
  42         {NET_NETROM_NETWORK_TTL_INITIALISER, "network_ttl_initialiser",
  43          &sysctl_netrom_network_ttl_initialiser, sizeof(int), 0644, NULL,
  44          &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_ttl, &max_ttl},
  45         {NET_NETROM_TRANSPORT_TIMEOUT, "transport_timeout",
  46          &sysctl_netrom_transport_timeout, sizeof(int), 0644, NULL,
  47          &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_t1, &max_t1},
  48         {NET_NETROM_TRANSPORT_MAXIMUM_TRIES, "transport_maximum_tries",
  49          &sysctl_netrom_transport_maximum_tries, sizeof(int), 0644, NULL,
  50          &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_n2, &max_n2},
  51         {NET_NETROM_TRANSPORT_ACKNOWLEDGE_DELAY, "transport_acknowledge_delay",
  52          &sysctl_netrom_transport_acknowledge_delay, sizeof(int), 0644, NULL,
  53          &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_t2, &max_t2},
  54         {NET_NETROM_TRANSPORT_BUSY_DELAY, "transport_busy_delay",
  55          &sysctl_netrom_transport_busy_delay, sizeof(int), 0644, NULL,
  56          &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_t4, &max_t4},
  57         {NET_NETROM_TRANSPORT_REQUESTED_WINDOW_SIZE, "transport_requested_window_size",
  58          &sysctl_netrom_transport_requested_window_size, sizeof(int), 0644, NULL,
  59          &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_window, &max_window},
  60         {NET_NETROM_TRANSPORT_NO_ACTIVITY_TIMEOUT, "transport_no_activity_timeout",
  61          &sysctl_netrom_transport_no_activity_timeout, sizeof(int), 0644, NULL,
  62          &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_idle, &max_idle},
  63         {NET_NETROM_ROUTING_CONTROL, "routing_control",
  64          &sysctl_netrom_routing_control, sizeof(int), 0644, NULL,
  65          &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_route, &max_route},
  66         {NET_NETROM_LINK_FAILS_COUNT, "link_fails_count",
  67          &sysctl_netrom_link_fails_count, sizeof(int), 0644, NULL,
  68          &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_fails, &max_fails},
  69         {0}
  70 };
  71
  72 static ctl_table nr_dir_table[] = {
  73         {NET_NETROM, "netrom", NULL, 0, 0555, nr_table},
  74         {0}
  75 };
  76
  77 static ctl_table nr_root_table[] = {
  78         {CTL_NET, "net", NULL, 0, 0555, nr_dir_table},
  79         {0}
  80 };
  81
  82 void __init nr_register_sysctl(void)
  83 {
  84         nr_table_header = register_sysctl_table(nr_root_table, 1);
  85 }
  86
  87 void nr_unregister_sysctl(void)
  88 {
  89         unregister_sysctl_table(nr_table_header);
  90 }