linux-imx

// SPDX-License-Identifier: GPL-2.0

/* Copyright (C) 2009-2019  B.A.T.M.A.N. contributors:

 *

 * Marek Lindner

 */

​

#include "gateway_common.h"

#include "main.h"

​

#include <linux/atomic.h>

#include <linux/byteorder/generic.h>

#include <linux/errno.h>

#include <linux/kernel.h>

#include <linux/math64.h>

#include <linux/netdevice.h>

#include <linux/stddef.h>

#include <linux/string.h>

#include <uapi/linux/batadv_packet.h>

#include <uapi/linux/batman_adv.h>

​

#include "gateway_client.h"

#include "log.h"

#include "tvlv.h"

​

/**

 * batadv_parse_throughput() - parse supplied string buffer to extract

 *  throughput information

 * @net_dev: the soft interface net device

 * @buff: string buffer to parse

 * @description: text shown when throughput string cannot be parsed

 * @throughput: pointer holding the returned throughput information

 *

 * Return: false on parse error and true otherwise.

 */

bool batadv_parse_throughput(struct net_device *net_dev, char *buff,

                 const char *description, u32 *throughput)

{

    enum batadv_bandwidth_units bw_unit_type = BATADV_BW_UNIT_KBIT;

    u64 lthroughput;

    char *tmp_ptr;

    int ret;

​

    if (strlen(buff) > 4) {

        tmp_ptr = buff + strlen(buff) - 4;

​

        if (strncasecmp(tmp_ptr, "mbit", 4) == 0)

            bw_unit_type = BATADV_BW_UNIT_MBIT;

​

        if (strncasecmp(tmp_ptr, "kbit", 4) == 0 ||

            bw_unit_type == BATADV_BW_UNIT_MBIT)

            *tmp_ptr = '\0';

    }

​

    ret = kstrtou64(buff, 10, &lthroughput);

    if (ret) {

        batadv_err(net_dev,

               "Invalid throughput speed for %s: %s\n",

               description, buff);

        return false;

    }

​

    switch (bw_unit_type) {

    case BATADV_BW_UNIT_MBIT: