qosmngr: Improvements on qcm shaper

qosmngr/files/linux/lib/qos/qos.sh

@@ -23,6 +23,11 @@ get_burst_size_per_queue() {
 	echo "1500"
 }
 
+get_max_burst_size_per_queue() {
+	# maximum burst size for tc class
+	echo "4289999999"
+}
+
 handle_q_weight() {
 	local qid="$1" #queue section ID
 	config_get ifname "$qid" "ifname"
@@ -99,6 +104,8 @@ handle_queue() {
 	local port_bs="$5"
 	local par_class="$6"
 	local priority=7
+	local bs=0
+
 	config_get is_enable "$qid" "enable"
 
 	# no need to configure disabled queues
@@ -146,6 +153,10 @@ handle_queue() {
 	fi
 	# burst size in tc class is given in bytes
 	bs=$(( bs * 1000 ))
+	local max_bs=$(get_max_burst_size_per_queue )
+	if [ $bs -gt $max_bs ]; then
+		bs=$max_bs
+	fi
 
 	local salg=1
 
@@ -160,7 +171,9 @@ handle_queue() {
 		;;
 	esac
 
-	priority=`expr $priority - $order`
+	if [ $salg -ne 2 ]; then
+		priority=`expr $priority - $order`
+	fi
 
 	local ceil_rate=$port_bw
 	if [ "$rate" -lt "$port_bw" ]; then