Re: [PATCH RFC v3 0/2] virtio-net: add flow filter for receive timestamps
From: Steffen Trumtrar <hidden>
Date: 2026-09-22 05:28:13
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On 2026-09-21 at 21:31 -04, Willem de Bruijn [off-list ref] wrote:
Steffen Trumtrar wrote:quoted
This series tries to pick up the work on the virtio-net timestamping feature from Willem de Bruijn. Original series Message-Id: 20210208185558.995292-1-willemdebruijn.kernel@gmail.com Subject: [PATCH RFC v2 0/4] virtio-net: add tx-hash, rx-tstamp, tx-tstamp and tx-time From: Willem de Bruijn [off-list ref] RFC for four new features to the virtio network device: 1. pass tx flow state to host, for routing + telemetry 2. pass rx tstamp to guest, for better RTT estimation 3. pass tx tstamp to guest, idem 3. pass tx delivery time to host, for accurate pacing All would introduce an extension to the virtio spec. The changes in this series are to the driver side. For the changes to qemu see: https://github.com/strumtrar/qemu/tree/v11.0.1/virtio-rx-stampsWhat is the plan wrt the virtio spec? +1 on demonstrating working code first for feasibility. Does this now also need a spec proposal to virtio-comment@lists.linux.dev?
If this shows to be the right direction, I'd create the spec proposal. I find writing the code and see if it works much easier ;) Steffen -- Pengutronix e.K. | Dipl.-Inform. Steffen Trumtrar | Steuerwalder Str. 21 | https://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686| Fax: +49-5121-206917-5555 |