virtio-net: add missing virtqueue kick when flushing packets
We tends to batch submitting packets during XDP_TX. This requires to kick virtqueue after a batch, we tried to do it through xdp_do_flush_map() which only makes sense for devmap not XDP_TX. So explicitly kick the virtqueue in this case. Reported-by: Kimitoshi Takahashi <ktaka@nii.ac.jp> Tested-by: Kimitoshi Takahashi <ktaka@nii.ac.jp> Cc: Daniel Borkmann <daniel@iogearbox.net> Fixes: 186b3c99 ("virtio-net: support XDP_REDIRECT") Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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