On Mon, Jul 17, 2017 at 08:43:56PM +0800, Jason Wang wrote: > Hi: > > This series brings two optimizations for virtio-net XDP: > > - avoid reset during XDP set > - turn off offloads on demand
I'm glad to see this take shape - this can be extended to optimize virtnet_get_headroom so we don't waste room if adjust_head is enabled. I see a couple of issues, responded to individual patches. > Please review. > > Thanks > > Jason Wang (5): > virtio_ring: allow to store zero as the ctx > virtio-net: pack headroom into ctx for mergeable buffer > virtio-net: switch to use new ctx API for small buffer > virtio-net: do not reset during XDP set > virtio-net: switch off offloads on demand if possible on XDP set > > drivers/net/virtio_net.c | 325 > +++++++++++++++++++++++++------------------ > drivers/virtio/virtio_ring.c | 2 +- > 2 files changed, 194 insertions(+), 133 deletions(-) > > -- > 2.7.4
