#!/bin/sh

# Bind to root and create main limiter
tc qdisc del dev ${IFACE} root
tc qdisc add dev ${IFACE} root handle 1:0 htb
tc class add dev ${IFACE} parent 1:0 classid 1:1 htb rate ${RATE}kbit

for grp in $(seq ${GRPS}); do
	g=$(expr ${grp} + 1)

	# Level 1 subclases (HTB)
	tc class add dev ${IFACE} parent 1:1 classid 1:${g} htb rate ${rate}kbit ceil ${RATE}kbit

	# Level 2 sublasses (PRIO)
	tc qdisc add dev ${IFACE} parent 1:${g} handle ${g}:0 prio bands ${BANDS}

	for band in $(seq ${BANDS}); do
		# Leaf qdiscs
		tc qdisc add dev ${IFACE} parent ${g}:${band} handle a${g}${band}:0 sfq perturb 5
    
		# Level 1 filtering (HTB)
		tc filter add dev ${IFACE} parent 1:0 protocol ip handle ${grp}${band} fw flowid 1:${g}
    
		# Level 2 filtering (PRIO)
		tc filter add dev ${IFACE} parent ${g}:0 protocol ip handle ${grp}${band} fw flowid ${g}:${band}
	done
done