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| /openbmc/linux/drivers/net/ |
| H A D | virtio_net.c | diff 9267c430c6b6f4c0120e3c6bb847313d633f02a6 Fri Apr 13 01:58:25 CDT 2018 Jason Wang <jasowang@redhat.com> 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: 186b3c998c50 ("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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