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qosmngr: handling linux platform qos shaper

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Amit Kumar 2023-10-26 10:43:11 +05:30 • committed by Rahul Thakur
parent b6477e8b84
commit 8711c64ff6
1 changed files with 12 additions and 9 deletions
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21
qosmngr/files/linux/lib/qos/qos.sh
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@ -138,7 +138,14 @@ handle_queue() {
config_get qsize "$qid" "queue_size" 1024
[ "$rate" == "0" ] && rate="$port_bw"
[ "$bs" == "0" ] && bs="$port_bs"
bs=$(( bs * 8 ))
rate_bs=$(( rate * 25 ))
if [ $rate_bs -gt $bs ]; then
bs=$rate_bs
fi
# burst size in tc class is given in bytes
bs=$(( bs * 1000 ))
local salg=1
@ -153,11 +160,7 @@ handle_queue() {
;;
esac
# ignore precedence value in case of WRR, broadcom recommends that WRR queue should
# always have precedence value set to 0
if [ $salg -ne 2 ]; then
priority=`expr $priority - $order`
fi
priority=`expr $priority - $order`
local ceil_rate=$port_bw
if [ "$rate" -lt "$port_bw" ]; then
@ -171,10 +174,10 @@ handle_queue() {
# maximum quantum value 60000
# quantum value calculate based on the configured weight value for the queue
quantum=`expr $wgt \* 60000 / $SOQ_wgt`
tc class add dev $port parent ${root}:${par_class} classid ${root}:${cls_priority} htb rate ${rate}kbit prio ${priority} ceil ${ceil_rate}kbit quantum ${quantum} burst $bs
tc class add dev $port parent ${root}:${par_class} classid ${root}:${cls_priority} htb rate ${rate}kbit prio ${priority} ceil ${ceil_rate}kbit quantum ${quantum} burst $bs cburst $port_bs
tc qdisc add dev $port parent ${root}:${cls_priority} handle ${cls_priority}: sfq perturb 10
else
tc class add dev $port parent ${root}:${par_class} classid ${root}:${cls_priority} htb rate ${rate}kbit prio ${priority} ceil ${ceil_rate}kbit burst $bs
tc class add dev $port parent ${root}:${par_class} classid ${root}:${cls_priority} htb rate ${rate}kbit prio ${priority} ceil ${ceil_rate}kbit burst $bs cburst $port_bs
fi
tc filter add dev $port parent ${root}:0 prio $order u32 match mark $order 0xf flowid ${root}:${cls_priority}
@ -459,10 +462,10 @@ configure_queue() {
fi
p_qdisc_idx=`expr $qdisc_idx + 11`
# port shaper needs to add at root tbf qdisc, child class gets token based on rate & burst_size
tc qdisc add dev $interf root handle ${p_qdisc_idx}: tbf rate ${rate}kbit burst ${bs}k limit 1M
tc qdisc add dev $interf parent ${p_qdisc_idx}: handle ${qdisc_idx}: htb default 10
# port shaper needs to add as parent class and other queue based shaping mapped as child classes
local par_class=1
tc class add dev $interf parent ${qdisc_idx}: classid ${qdisc_idx}:$par_class htb rate ${rate}kbit prio 8 ceil ${rate}kbit
tc filter add dev $interf parent ${qdisc_idx}:0 matchall flowid ${qdisc_idx}:$par_class