#!/sbin/runscript

VCONF=`which vconfig 2>/dev/null` || exit

# set egress_map or ingress_map.
# $1 = egress | ingress
# $2 ...  = vlan params
set_map() {
	local i type=$1
	shift
	for i in $* ; do
		local dev param skb qos
		dev=${i%=*}
		param=${i#*=}
		skb_prio=${param%:*}
		qos=${param#$skb_prio}
		qos=${qos#:}
		$VCONF set_${type}_map $dev $skb_prio $qos >/dev/null
	done
}

start() {
	modprobe 8021q 2>/dev/null

	# set nametype before creating the vlan's
	[ x$NAME_TYPE != x ] && $VCONF set_name_type "$NAME_TYPE" >/dev/null

	# create the vlans
	for vlan in $VLANS; do
		retcode=0
		iface=${vlan%.*}
		vlan_id=${vlan#*.}
		ebegin "Setting up vlan $vlan"
		if [ -z "$VCONF" ] ; then
			eerror "Need vconfig to be able to set up $vlan"
			retcode=1
		else
			ip link set $iface up
			$VCONF add $iface $vlan_id >/dev/null
			retcode=$?
		fi
		eend $retcode
	done

	# set the egress_map and ingress_map
	set_map "egress" $EGRESS_MAP
	set_map "ingress" $INGRESS_MAP

	# set the reorder header
	for vlan in $REORDER_HDR ; do
		$VCONF set_flag $vlan 1 >/dev/null
	done
}

stop() {
	# remove all vlans
	local vlan
	for vlan in `awk '{ print $1 }' /proc/net/vlan/config`; do
		if [ -f /proc/net/vlan/$vlan ] ; then
			ebegin "Removing vlan $vlan"
			$VCONF rem $vlan >/dev/null
			eend $?
		fi
	done
}