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Resolve Issue #104: virtio-net: define USO feature

Should the TC accept changes listed in the description to resolve issue 104, for inclusion in specification version(s) "virtio-v1.2-cs01", and future versions of the specification?

Please vote Yes if you agree with all of the following.
If you disagree, please vote No.
If you don't have an opinion, please vote Abstain.

I move that:
The TC agrees to resolve the following specification issue:
Issue #104: virtio-net: define USO feature
There is a USO (UDP Segmentation offload) feature that is going to be a requirement of Windows for server-grade network adapters. It is different from existing UFO:
- UFO fragments the UDP packet and only first fragment carries the UDP header (SKB_GSO_UDP in the Linux network stack)
- USO segments the UDP packet, each segment has a UDP header and IP identification field is incremented for each segment. It is designated as SKB_GSO_UDP_L4 in the Linux network stack but not supported by virtio-net
The host USO feature is to be defined for virtio-net.

The TC accepts the following proposed changes to the specification:

The TC agrees to include the above change(s) in specification version(s) "virtio-v1.2-cs01", and future versions of the


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 [ ]  Yes
 [ ]  No
 [ ]  Abstain
Opening:   Wednesday, 5 May 2021 @ 07:00 am EDT
Closing:   Wednesday, 12 May 2021 @ 07:00 am EDT
Group:   OASIS Virtual I/O Device (VIRTIO) TC
Ballot has closed.

Referenced Items
Name Type Date Action

Voting Details

Voting Summary

Options with highest number of votes are bold

Option # Votes % of Total
Yes 6 100%
No 0 0%
Abstain 1
Eligible members who have voted: 6 of 8 75%
Eligible members who have abstained: 1 of 8 13%
Eligible members who have not voted: 1 of 8 13%

Voting Details

Voter Company VoteReference Document and/or Comment
Enrico Granata
Google Inc.
Halil Pasic
Matti Moell
OpenSynergy GmbH
Mihai Carabas
Michael S. Tsirkin
Red Hat
Stefan Hajnoczi
Red Hat
Cornelia Huck
Red Hat
Jan Kiszka
Siemens AG