-#!/bin/ash
+#!/bin/sh
[ $# = 0 ] && { echo " $0 <group>"; exit; }
. /etc/functions.sh
. /etc/network.overrides
-[ -e /etc/config/network ] && . /etc/config/network
-type=$1
+[ "$FAILSAFE" != "true" -a -e /etc/config/network ] && . /etc/config/network
+
debug "### ifdown $type ###"
+type=$1
+
+if_proto=$(nvram get ${type}_proto)
if=$(nvram get ${type}_ifname)
-if_valid $if || exit
-$DEBUG ifconfig $if down
-kill $(cat /var/run/${if}.pid 2>&-) 2>&-
+
+case "$if_proto" in
+ pppoa) hotplug_dev unregister atm0; exit 0 ;;
+ ""|none) exit 0;;
+esac
+
+if [ "${if%%[0-9]}" = "br" ]; then
+ for sif in $(nvram get ${type}_ifnames); do
+ hotplug_dev unregister "$sif"
+ done
+fi
+
+hotplug_dev unregister "$if"