On Fri, Jan 11, 2013 at 09:18:33AM +1030, Rusty Russell wrote: > "Michael S. Tsirkin" <mst@xxxxxxxxxx> writes: > > On Thu, Jan 10, 2013 at 09:00:55PM +1030, Rusty Russell wrote: > >> Not sure why vhost/net doesn't built a packet and feed it in > >> netif_rx_ni(). This is what tun seems to do, and with this code it > >> should be fairly optimal. > > > > Because we want to use NAPI. > > Not quite what I was asking; it was more a question of why we're using a > raw socket, when we trivially have a complete skb already which we > should be able to feed to Linux like any network packet. > > And that path is pretty well optimized... > > Cheers, > Rusty. Oh for some reason I thought you were talking about virtio. I don't really understand what you are saying here - vhost actually calls out to tun to build and submit the skb. -- MST _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
