net/x25/sysctl_net_x25.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* -*- linux-c -*-
   3  * sysctl_net_x25.c: sysctl interface to net X.25 subsystem.
   4  *
   5  * Begun April 1, 1996, Mike Shaver.
   6  * Added /proc/sys/net/x25 directory entry (empty =) ). [MS]
   7  */
   8
   9 #include <linux/sysctl.h>
  10 #include <linux/skbuff.h>
  11 #include <linux/socket.h>
  12 #include <linux/netdevice.h>
  13 #include <linux/init.h>
  14 #include <net/x25.h>
  15
  16 static int min_timer[] = {   1 * HZ };
  17 static int max_timer[] = { 300 * HZ };
  18
  19 static struct ctl_table_header *x25_table_header;
  20
  21 static struct ctl_table x25_table[] = {
  22         {
  23                 .procname =     "restart_request_timeout",
  24                 .data =         &sysctl_x25_restart_request_timeout,
  25                 .maxlen =       sizeof(int),
  26                 .mode =         0644,
  27                 .proc_handler = proc_dointvec_minmax,
  28                 .extra1 =       &min_timer,
  29                 .extra2 =       &max_timer,
  30         },
  31         {
  32                 .procname =     "call_request_timeout",
  33                 .data =         &sysctl_x25_call_request_timeout,
  34                 .maxlen =       sizeof(int),
  35                 .mode =         0644,
  36                 .proc_handler = proc_dointvec_minmax,
  37                 .extra1 =       &min_timer,
  38                 .extra2 =       &max_timer,
  39         },
  40         {
  41                 .procname =     "reset_request_timeout",
  42                 .data =         &sysctl_x25_reset_request_timeout,
  43                 .maxlen =       sizeof(int),
  44                 .mode =         0644,
  45                 .proc_handler = proc_dointvec_minmax,
  46                 .extra1 =       &min_timer,
  47                 .extra2 =       &max_timer,
  48         },
  49         {
  50                 .procname =     "clear_request_timeout",
  51                 .data =         &sysctl_x25_clear_request_timeout,
  52                 .maxlen =       sizeof(int),
  53                 .mode =         0644,
  54                 .proc_handler = proc_dointvec_minmax,
  55                 .extra1 =       &min_timer,
  56                 .extra2 =       &max_timer,
  57         },
  58         {
  59                 .procname =     "acknowledgement_hold_back_timeout",
  60                 .data =         &sysctl_x25_ack_holdback_timeout,
  61                 .maxlen =       sizeof(int),
  62                 .mode =         0644,
  63                 .proc_handler = proc_dointvec_minmax,
  64                 .extra1 =       &min_timer,
  65                 .extra2 =       &max_timer,
  66         },
  67         {
  68                 .procname =     "x25_forward",
  69                 .data =         &sysctl_x25_forward,
  70                 .maxlen =       sizeof(int),
  71                 .mode =         0644,
  72                 .proc_handler = proc_dointvec,
  73         },
  74         { },
  75 };
  76
  77 int __init x25_register_sysctl(void)
  78 {
  79         x25_table_header = register_net_sysctl(&init_net, "net/x25", x25_table);
  80         if (!x25_table_header)
  81                 return -ENOMEM;
  82         return 0;
  83 }
  84
  85 void x25_unregister_sysctl(void)
  86 {
  87         unregister_net_sysctl_table(x25_table_header);
  88 }