On Tue, Apr 05, 2016 at 11:20:05AM +0800, Tan, Jianfeng wrote:
> Hi,
>
> On 4/5/2016 10:11 AM, Rich Lane wrote:
> >For simple TX the virtio-net header must be zeroed, but it was using memory
> >that had been initialized with indirect descriptor tables. This resulted in
> >"unsupported gso type" errors from librte_vhost.
> >
> >We can use the same memory for every descriptor to save cachelines in the
> >vswitch.
>
> Pointing all virtio_net_hdr into the same memory may brings performance, but
> how much? It also introduces difficulty to adding tso in future?
simple rxtx will not be enabled when TSO is enabled.
--yliu
