RE: [PATCH v5 2/2] virtio-net: use mtu size as buffer length for big packets

[Parav Pandit <parav@nvidia.com>]

> From: Michael S. Tsirkin <mst@redhat.com>
> Sent: Wednesday, September 7, 2022 3:36 PM
> 
> (c) replace mtu = 0 with sensibly not calling the function when mtu is
> unknown.
Even when mtu is zero, virtnet_set_big_packets() must be called to act on the gso bits.
Currently handling by virtnet_set_big_packets() seems more simpler taking care of mtu and gso both.