On 04/05/2018 12:10 PM, Jens Freimann wrote:
Signed-off-by: Jens Freimann <jfreim...@redhat.com>
---
  drivers/net/virtio/virtio_ring.h | 5 ++++-
  1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/virtio/virtio_ring.h b/drivers/net/virtio/virtio_ring.h
index 1bd7ba98e..54a11d2a9 100644
--- a/drivers/net/virtio/virtio_ring.h
+++ b/drivers/net/virtio/virtio_ring.h
@@ -16,7 +16,10 @@
  #define VRING_DESC_F_WRITE      2
  /* This means the buffer contains a list of buffer descriptors. */
  #define VRING_DESC_F_INDIRECT   4
-
+/* This flag means the descriptor was made available by the driver */
+#define VRING_DESC_F_AVAIL     (1ULL << 7)
+/* This flag means the descriptor was used by the device */
+#define VRING_DESC_F_USED      (1ULL << 15)
  /* The Host uses this in used->flags to advise the Guest: don't kick me
   * when you add a buffer.  It's unreliable, so it's simply an
   * optimization.  Guest will still kick if it's out of buffers. */


Reviewed-by: Maxime Coquelin <maxime.coque...@redhat.com>

Thanks,
Maxime

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