#!/bin/bash
###########################################################################
#
#  Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
#
#  THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
#  WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
#
#  @file bring_can_iface_down.sh
#
#  @date 29-Jul-2020
#  @author P. Lucia
#
#  @brief Bring down the specified interface
#
############################################################################
iface="can0"
if [ "$#" -gt 1 ]; then
    echo "Please provide only one can interface."
    echo "Usage (defaults to can0): ./bring_can_iface_down.sh "
    echo "     Use <iface> instead: setup_canbus.sh <iface>"
    exit 1
elif [ "$#" -eq 1 ]; then
    iface="$1"
fi

sudo ifconfig "$iface" down > /dev/null 2>&1
sudo ip link delete dev "$iface" > /dev/null 2>&1