linux/net/phonet/sysctl.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * File: sysctl.c
 *
 * Phonet /proc/sys/net/phonet interface implementation
 *
 * Copyright (C) 2008 Nokia Corporation.
 *
 * Author: Rémi Denis-Courmont
 */

#include <linux/seqlock.h>
#include <linux/sysctl.h>
#include <linux/errno.h>
#include <linux/init.h>

#include <net/sock.h>
#include <linux/phonet.h>
#include <net/phonet/phonet.h>

#define DYNAMIC_PORT_MIN …
#define DYNAMIC_PORT_MAX …

static DEFINE_SEQLOCK(local_port_range_lock);
static int local_port_range_min[2] = …;
static int local_port_range_max[2] = …;
static int local_port_range[2] = …;
static struct ctl_table_header *phonet_table_hrd;

static void set_local_port_range(int range[2])
{ … }

void phonet_get_local_port_range(int *min, int *max)
{ … }

static int proc_local_port_range(const struct ctl_table *table, int write,
				 void *buffer, size_t *lenp, loff_t *ppos)
{ … }

static struct ctl_table phonet_table[] = …;

int __init phonet_sysctl_init(void)
{ … }

void phonet_sysctl_exit(void)
{ … }