[virtio-dev] RE: [PATCH 00/11] Introduce transitional mmr pci device

Parav Pandit
2023-04-12T04:52:14Z

> From: Michael S. Tsirkin <mst@redhat.com>
> Sent: Wednesday, April 12, 2023 12:48 AM

> Here is a counter proposal:
>
> #define VIRTIO_NET_F_LEGACY_HEADER 52 /* Use the legacy 10 byte
> header for all packets */
>
>
> Yes, sorry to say, you need to emulate legacy pci in software.
>
> With notification hacks, and reset hacks, and legacy interrupt hacks, and
> writeable mac ... this thing best belongs in vdpa anyway.

What? I don't follow.
Suddenly you attribute everything as hack with least explanation.