// 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);
}