linux-imx

/*

 *  Generic address resultion entity

 *

 *  Authors:

 *  net_random Alan Cox

 *  net_ratelimit Andi Kleen

 *  in{4,6}_pton YOSHIFUJI Hideaki, Copyright (C)2006 USAGI/WIDE Project

 *

 *  Created by Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>

 *

 *  This program is free software; you can redistribute it and/or

 *      modify it under the terms of the GNU General Public License

 *      as published by the Free Software Foundation; either version

 *      2 of the License, or (at your option) any later version.

 */

​

#include <linux/module.h>

#include <linux/jiffies.h>

#include <linux/kernel.h>

#include <linux/ctype.h>

#include <linux/inet.h>

#include <linux/mm.h>

#include <linux/net.h>

#include <linux/string.h>

#include <linux/types.h>

#include <linux/percpu.h>

#include <linux/init.h>

#include <linux/ratelimit.h>

#include <linux/socket.h>

​

#include <net/sock.h>

#include <net/net_ratelimit.h>

#include <net/ipv6.h>

​

#include <asm/byteorder.h>

#include <linux/uaccess.h>

​

DEFINE_RATELIMIT_STATE(net_ratelimit_state, 5 * HZ, 10);

/*

 * All net warning printk()s should be guarded by this function.

 */

int net_ratelimit(void)

{

    return __ratelimit(&net_ratelimit_state);

}

EXPORT_SYMBOL(net_ratelimit);

​

/*

 * Convert an ASCII string to binary IP.

 * This is outside of net/ipv4/ because various code that uses IP addresses

 * is otherwise not dependent on the TCP/IP stack.

 */

​

__be32 in_aton(const char *str)

{

    unsigned int l;

    unsigned int val;

    int i;

​

    l = 0;

    for (i = 0; i < 4; i++) {

        l <<= 8;

        if (*str != '\0') {