On Wed, 22 Feb 2017 09:08:53 -0800 John Fastabend <john.fastab...@gmail.com> wrote:
> > GSO/TSO is getting into advanced stuff I would rather not have to get > > into right now. I figure we need to take this portion one step at a > > time. To support GSO we need more information like the mss. > > > > Agreed lets get the driver support for basic things first. But this > is on my list. I'm just repeating myself but VM to VM performance uses > TSO/LRO heavily. Sorry, but I get annoyed every time I hear we need to support TSO/LRO/GRO for performance reasons. If you take one step back, you are actually saying we need bulking for better performance. And the bulking you are proposing is a TCP protocol specific bulking mechanism. I'm saying is let's make bulking protocol agnostic, by doing it at the packet level. And once the bulk enters the VM, by-all-means it should construct a GRO packet it can send into it's own network stack. -- Best regards, Jesper Dangaard Brouer MSc.CS, Principal Kernel Engineer at Red Hat LinkedIn: http://www.linkedin.com/in/brouer
