[PATCH 03/14] net/virtio: add virtio 1.1 defines
From: Jens Freimann <hidden>
Date: 2018-01-29 14:12:06
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Signed-off-by: Jens Freimann <redacted> --- drivers/net/virtio/virtio_ring.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/drivers/net/virtio/virtio_ring.h b/drivers/net/virtio/virtio_ring.h
index 1cafef41b..839359444 100644
--- a/drivers/net/virtio/virtio_ring.h
+++ b/drivers/net/virtio/virtio_ring.h@@ -17,6 +17,12 @@ /* This means the buffer contains a list of buffer descriptors. */ #define VRING_DESC_F_INDIRECT 4 +#define VIRTQ_DESC_F_AVAIL 7 +#define VIRTQ_DESC_F_USED 15 +#define DESC_USED (1ULL << VIRTQ_DESC_F_USED) +#define DESC_AVAIL (1ULL << VIRTQ_DESC_F_AVAIL) + + /* 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. */
--
2.14.3