openwrtv3/package/base-files/files/sbin/ifup

#!/bin/sh
# Copyright (C) 2006-2011 OpenWrt.org

/sbin/ifdown "$@"

. /etc/functions.sh
[ $# = 0 ] && { echo "  $0 <group>"; exit; }

setup_wifi=1

case "$1" in
	"-a")
		[ -e "/tmp/resolv.conf.auto" ] && rm /tmp/resolv.conf.auto
		config_cb() {
			[ interface != "$1" -o -z "$2" ] || eval "$0 -w $2"
		}
		config_load network
		exit 0
	;;
	"-w") setup_wifi=0; shift ;;
esac

if [ $setup_wifi -gt 0 ] && grep -q config /etc/config/wireless; then
	find_related_radios() {
		local wdev wnet
		config_get wdev "$1" device
		config_get wnet "$1" network

		if [ -n "$wdev" ] && [ "$wnet" = "$network" ]; then
			append radio_devs "$wdev" "$N"
		fi
	}

	local radio_devs
	local network="$1"
	config_load wireless
	config_foreach find_related_radios wifi-iface

	local dev
	for dev in $(echo "$radio_devs" | sort -u); do
		/sbin/wifi up "$dev"
	done
fi

include /lib/network
scan_interfaces

config_get ifname "$1" device
for dev in ${ifname:-$1}; do
	setup_interface "$dev" "$1"
done