RE: [virtio-dev] RE: [virtio-comment] RE: [PATCH v9] virtio-net: support inner header hash

[Parav Pandit <parav@nvidia.com>]

> From: Michael S. Tsirkin <mst@redhat.com>
> Sent: Tuesday, February 21, 2023 12:14 PM
> > The part that I am missing is, how do to reuse virtio_net_hash_config and say
> ignore all the existing fields related to rss, but only consider
> hash_tunnel_types?
> 
> Like a union?  The answer is, don't. Just lay out fields one after another.
> 
In that case driver needs to fill up all the fields which are not related to hash_tunnel_types and the device also needs to compare with the previous config and ignore it.
Doesnât look like a good use of existing commands and sw/fw usage for it.
Shouldnât we have the explicit command for setting tunnel types?