#!/bin/sh #=============================================================================== # # ifup # # Copyright (C) 2013 by Digi International Inc. # All rights reserved. # # This program is free software; you can redistribute it and/or modify it # under the terms of the GNU General Public License version 2 as published by # the Free Software Foundation. # # # !Description: Set network interfaces MAC addresses on i.MX5X # #=============================================================================== set -e # loopback methods are directly handled by ifup [ "${METHOD}" = "loopback" ] && exit 0 # Do nothing if interface does not exist [ -d "/sys/class/net/${IFACE}" ] || exit 0 driver="$(readlink -f -n /sys/class/net/${IFACE} | sed 's,/sys/devices/platform/\(.\{3\}\).*,\1,g')" case "${IFACE}:${driver}" in eth1: | *:sms) macaddr="$(sed -ne 's,^.*ethaddr3=\([^[:blank:]]\+\)[:blank:]*.*,\1,g;T;p' /proc/cmdline)" esac [ -n "${macaddr}" ] && ifconfig ${IFACE} hw ether ${macaddr} up