From: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
To: "Steffen Trumtrar" <s.trumtrar@pengutronix.de>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Xuan Zhuo" <xuanzhuo@linux.alibaba.com>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Richard Cochran" <richardcochran@gmail.com>,
"Willem de Bruijn" <willemdebruijn.kernel@gmail.com>,
"Andrew Lunn" <andrew+netdev@lunn.ch>,
"Eugenio Pérez" <eperezma@redhat.com>,
"Jason Wang" <jasowangio@gmail.com>,
"Alexei Starovoitov" <ast@kernel.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Jesper Dangaard Brouer" <hawk@kernel.org>,
"John Fastabend" <john.fastabend@gmail.com>,
"Stanislav Fomichev" <sdf@fomichev.me>,
"Jason Wang" <jasowangio@gmail.com>
Cc: virtualization@lists.linux.dev, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, bpf@vger.kernel.org,
Steffen Trumtrar <s.trumtrar@pengutronix.de>
Subject: Re: [PATCH RFC v3 0/2] virtio-net: add flow filter for receive timestamps
Date: Mon, 21 Sep 2026 21:31:04 -0400 [thread overview]
Message-ID: <willemdebruijn.kernel.2e1c6881ed336@gmail.com> (raw)
In-Reply-To: <20260921-v6-7-topic-virtio-net-ptp-v3-0-3350851c4f88@pengutronix.de>
Steffen Trumtrar wrote:
> 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 <willemb@google.com>
>
> 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-stamps
What 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?
next prev parent reply other threads:[~2026-09-22 1:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-21 14:46 [PATCH RFC v3 0/2] virtio-net: add flow filter for receive timestamps Steffen Trumtrar
2026-09-21 14:46 ` [PATCH RFC v3 1/2] virtio-net: support receive timestamp Steffen Trumtrar
2026-09-21 14:57 ` sashiko-bot
2026-09-22 1:33 ` Willem de Bruijn
2026-09-21 14:46 ` [PATCH RFC v3 2/2] tun: support rx-tstamp Steffen Trumtrar
2026-09-21 14:57 ` sashiko-bot
2026-09-22 1:31 ` Willem de Bruijn [this message]
2026-09-22 5:28 ` [PATCH RFC v3 0/2] virtio-net: add flow filter for receive timestamps Steffen Trumtrar
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