IPQ806x NSS Drivers

[darksky]

@ACwifidude

Easy adjustment - just change the number in front of the Mbit for the speed you desire. NSS can do more than 650 so feel free to go higher if you have more from your ISP.

# Shape ingress traffic to 650 Mbit with chained NSSFQ_CODEL
tc qdisc add dev nssifb root handle 1: nsstbl rate 650Mbit burst 1Mb
tc qdisc add dev nssifb parent 1: handle 10: nssfq_codel limit 10240 flows 1024 quantum 1514 target 5ms interval 100ms set_default

# Shape egress traffic to 22 Mbit with chained NSSFQ_CODEL
tc qdisc add dev eth0 root handle 1: nsstbl rate 22Mbit burst 1Mb
tc qdisc add dev eth0 parent 1: handle 10: nssfq_codel limit 10240 flows 1024 quantum 1514 target 5ms interval 100ms set_default

I'd like to play a bit more with this... is there a dependency I need?

# tc qdisc add dev nssifb root handle 1: nsstbl rate 650Mbit burst 1Mb
Cannot find device "nssifb"

EDIT: I see now that a module is required (modprobe nss-ifb). This readme was helpful: https://github.com/quarkysg/openwrt/blob/master-ipq806x-nss-qsdk11/package/qca/nss-ifb/README.md

When I do the following, I am bufferbloat results comparable to when I was running non-NSS image with SQM per the dsl reports test.

modprobe nss-ifb
ip link set up nssifb
tc qdisc add dev nssifb root handle 1: nsstbl rate 650Mbit burst 1Mb
tc qdisc add dev nssifb parent 1: handle 10: nssfq_codel limit 10240 flows 1024 quantum 1514 target 5ms interval 100ms set_default
tc qdisc add dev eth0 root handle 1: nsstbl rate 20Mbit burst 1Mb
tc qdisc add dev eth0 parent 1: handle 10: nssfq_codel limit 10240 flows 1024 quantum 1514 target 5ms interval 100ms set_default