On Sat, 22 Oct 2016 04:07:23 +0000 Shrijeet Mukherjee <shrij...@gmail.com> wrote:
> This patch adds support for xdp ndo and also inserts the xdp program > call into the merged RX buffers and big buffers paths I really appreciate you are doing this for virtio_net. My first question is: Is the (packet) page data writable? (MST might be able to answer?) As this is currently an XDP requirement[1]. > * The small packet skb receive is skipped for now > * No TX for now I do see more and more valid use-cases for only implementing XDP_DROP and not necessarily also implementing XDP_TX. This does requires that we implement some kind of feature/capabilities negotiation mechanism[2]. [1] https://prototype-kernel.readthedocs.io/en/latest/networking/XDP/design/requirements.html#write-access-to-packet-data [2] https://prototype-kernel.readthedocs.io/en/latest/networking/XDP/design/design.html#capabilities-negotiation -- Best regards, Jesper Dangaard Brouer MSc.CS, Principal Kernel Engineer at Red Hat Author of http://www.iptv-analyzer.org LinkedIn: http://www.linkedin.com/in/brouer
