// SPDX-License-Identifier: GPL-2.0

  /* -*- linux-c -*-
   * sysctl_net_x25.c: sysctl interface to net X.25 subsystem.
   *
   * Begun April 1, 1996, Mike Shaver.
   * Added /proc/sys/net/x25 directory entry (empty =) ). [MS]
   */
  
  #include <linux/sysctl.h>
  #include <linux/skbuff.h>
  #include <linux/socket.h>
  #include <linux/netdevice.h>
  #include <linux/init.h>
  #include <net/x25.h>
  
  static int min_timer[] = {   1 * HZ };
  static int max_timer[] = { 300 * HZ };
  
  static struct ctl_table_header *x25_table_header;
  
  static struct ctl_table x25_table[] = {

  	{

  		.procname =	"restart_request_timeout",
  		.data =		&sysctl_x25_restart_request_timeout,
  		.maxlen =	sizeof(int),
  		.mode =		0644,

  		.proc_handler =	proc_dointvec_minmax,

  		.extra1 =	&min_timer,
  		.extra2 =	&max_timer,
  	},

  	{

  		.procname =	"call_request_timeout",
  		.data =		&sysctl_x25_call_request_timeout,
  		.maxlen =	sizeof(int),
  		.mode =		0644,

  		.proc_handler =	proc_dointvec_minmax,

  		.extra1 =	&min_timer,
  		.extra2 =	&max_timer,
  	},

  	{

  		.procname =	"reset_request_timeout",
  		.data =		&sysctl_x25_reset_request_timeout,
  		.maxlen =	sizeof(int),
  		.mode =		0644,

  		.proc_handler =	proc_dointvec_minmax,

  		.extra1 =	&min_timer,
  		.extra2 =	&max_timer,
  	},

  	{

  		.procname =	"clear_request_timeout",
  		.data =		&sysctl_x25_clear_request_timeout,
  		.maxlen =	sizeof(int),
  		.mode =		0644,

  		.proc_handler =	proc_dointvec_minmax,

  		.extra1 =	&min_timer,
  		.extra2 =	&max_timer,
  	},

  	{

  		.procname =	"acknowledgement_hold_back_timeout",
  		.data =		&sysctl_x25_ack_holdback_timeout,
  		.maxlen =	sizeof(int),
  		.mode =		0644,

  		.proc_handler =	proc_dointvec_minmax,

  		.extra1 =	&min_timer,
  		.extra2 =	&max_timer,
  	},

  	{

  		.procname =	"x25_forward",
  		.data = 	&sysctl_x25_forward,
  		.maxlen = 	sizeof(int),
  		.mode = 	0644,

  		.proc_handler = proc_dointvec,

  	},

  	{ },

  };

  int __init x25_register_sysctl(void)

  {

  	x25_table_header = register_net_sysctl(&init_net, "net/x25", x25_table);

  	if (!x25_table_header)
  		return -ENOMEM;
  	return 0;

  }
  
  void x25_unregister_sysctl(void)
  {

  	unregister_net_sysctl_table(x25_table_header);

  }