4.2 and QoS - I was going to post a enhancement request (as hooks are there already) - below is from 4.0.1b2 on AXT1800

ApNos-0e2bb96a-devel
OpenWrt 21.02-SNAPSHOT, r16273+115-378769b555

root@GL-AXT1800:~# uci show qos
qos.general=qos
qos.general.enable='0'
qos.general.model='cake'
qos.general.upload='1000'
qos.general.download='1000'
qos.general.sum='0'
qos.@wan[0]=wan
qos.@wan[0].upload='1000'
qos.@wan[0].download='1000'
qos.@wwan[0]=wwan
qos.@wwan[0].upload='1000'
qos.@wwan[0].download='1000'
qos.@tethering[0]=tethering
qos.@tethering[0].upload='1000'
qos.@tethering[0].download='1000'
qos.@modem[0]=modem
qos.@modem[0].upload='1000'
qos.@modem[0].download='1000'