The module is usually included in standard OpenWrt releases (like 22.03.0 or 23.05.0 ) and can be managed via the opkg package manager. : opkg update && opkg install kmod-nft-offload
Are you currently seeing on your router, or are you just planning a custom build ? kmod-nft-offload - [OpenWrt Wiki] package kmod-nft-offload
The NIC driver did not load the flow. Fix: Ensure hw-tc-offload on is persistent. Some drivers require a driver reload after changing this flag. The module is usually included in standard OpenWrt