Re: [PATCH bpf-next v3 3/3] selftests/bpf: add Launch Time request to xdp_hw_metadata

From: Jesper Dangaard Brouer
Date: Mon Dec 04 2023 - 05:17:01 EST




On 12/3/23 17:51, Song Yoong Siang wrote:
This patch is tested with stmmac on Intel Tiger Lake platform. Refer to
result below, the delta between pre-determined launch time and actual HW
transmit complete time is around 24 us.

Is there any NIC setup (e.g. ethtool/qdisc) requirements to enable HW for this feature?

--Jesper