virtio-net: disable the hole mechanism for xdp
XDP core assumes that the frame_size of xdp_buff and the length of the frag are PAGE_SIZE. The hole may cause the processing of xdp to fail, so we disable the hole mechanism when xdp is set. Signed-off-by: Heng Qi <hengqi@linux.alibaba.com> Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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