From: Willem de Bruijn <willemb@xxxxxxxxxx> RFCv2 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. Concurrently with code review I will write ballots to https://www.oasis-open.org/committees/ballots.php?wg_abbrev=virtio These changes are to the driver side. Evaluation additionally requires achanges to qemu and at least one back-end. I implemented preliminary support in Linux vhost-net. Both patches available through github at https://github.com/wdebruij/linux/tree/virtio-net-txhash-2 https://github.com/wdebruij/qemu/tree/virtio-net-txhash-2 Changes RFC -> RFCv2 - add transmit timestamp patch - see individual patches for other changes Willem de Bruijn (4): virtio-net: support transmit hash report virtio-net: support receive timestamp virtio-net: support transmit timestamp virtio-net: support future packet transmit time drivers/net/virtio_net.c | 193 +++++++++++++++++++++++++++++++- drivers/virtio/virtio_ring.c | 3 +- include/linux/virtio.h | 1 + include/uapi/linux/virtio_net.h | 24 +++- 4 files changed, 214 insertions(+), 7 deletions(-) -- 2.30.0.478.g8a0d178c01-goog _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
