On 2019/11/21 上午1:52, David Ahern wrote:
Hi: Trying to load an XDP program on a virtio based nic is failing with: virtio_net: XDP expects header/data in single page, any_header_sg required I have not encountered this error before and not able to find what is missing. Any tips?
Hi David:What qemu + guest kernel version did you use? And could you share you qemu cli?
Old qemu requires vnet header to be placed into a separate sg which breaks the assumption of XDP. Recent qemu doesn't have such limitation (any_header_sg feature).
Thanks
Thanks, David
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