Is there a way to set DSCP tag other then firewall?

[isslam]

i heard that i can tag packets with dscp using ebpf how can i use it ?
i don't want use qosify because i still want to set custom qdisc

[hnyman]

This might interest you:

DSCP Classify - a service for applying DSCP to connections

Creating this thread as a centralised place for discussing my nftables 'dscpclassify' scripts for applying DSCP classifications to connections. I will update this post with up to date information as the service is enhanced and welcome ideas and people's inputs. I'd like to thank @ldir and @amteza for their great suggestions and contributions! I aim soon to incorporate this functionality into a proper package, but in the meantime the steps below should be sufficient to install the functionalit…