On 10/29/25 2:24 AM, Jason Wang wrote: > From: "Michael S. Tsirkin" <[email protected]> > > Changing alignment of header would mean it's no longer safe to cast a > 2 byte aligned pointer between formats. Use two 16 bit fields to make > it 2 byte aligned as previously. > > This fixes the performance regression since > commit ("virtio_net: enable gso over UDP tunnel support.") as it uses > virtio_net_hdr_v1_hash_tunnel which embeds > virtio_net_hdr_v1_hash. Pktgen in guest + XDP_DROP on TAP + vhost_net > shows the TX PPS is recovered from 2.4Mpps to 4.45Mpps. > > Fixes: 56a06bd40fab ("virtio_net: enable gso over UDP tunnel support.") > Cc: [email protected] > Signed-off-by: Michael S. Tsirkin <[email protected]> > Signed-off-by: Jason Wang <[email protected]>
Whoops, I replied to the older thread before reading this one. Acked-by: Paolo Abeni <[email protected]>
