virtio_net / netmap RX dropping frames

[Joe Buehler]

Vincenzo Maffione wrote:
> So you are using netmap only in the guest (and not in the host).
> And you are running a sender and a receiver inside the VM, both on the
> VM interface.
> Something like this
> 
> # pkt-gen -i eth1 -f rx
> # pkt-gen -i eth1 -f tx

Yes that's the basic idea.

> 
> ?
> What happens if you use pkt-gen rather than your application?

I was under the impression that I can't have two threads in the netmap
kernel code at the same time so can't do that.

Joe Buehler