diff mbox series

[dpdk-dev,2/7] net/virtio: add VIRTIO_F_IN_ORDER definition

Message ID 20180608090724.20855-3-yong.liu@intel.com (mailing list archive)
State Changes Requested, archived
Delegated to: Maxime Coquelin
Headers
Series support VIRTIO_F_IN_ORDER feature |

Checks

Context Check Description
ci/Intel-compilation success Compilation OK
ci/checkpatch success coding style OK

Commit Message

Marvin Liu June 8, 2018, 9:07 a.m. UTC 
  If VIRTIO_F_IN_ORDER has been negotiated, driver will use descriptors
in ring order: starting from offset 0 in the table, and wrapping
around at the end of the table.

Signed-off-by: Marvin Liu <yong.liu@intel.com>
diff mbox series

Patch

diff --git a/drivers/net/virtio/virtio_pci.h b/drivers/net/virtio/virtio_pci.h
index a28ba8339..049344383 100644
--- a/drivers/net/virtio/virtio_pci.h
+++ b/drivers/net/virtio/virtio_pci.h
@@ -121,6 +121,12 @@  struct virtnet_ctl;
 #define VIRTIO_TRANSPORT_F_START 28
 #define VIRTIO_TRANSPORT_F_END   34
 
+/*
+ * Inorder feature indicates that all buffers are used by the device
+ * in the same order in which they have been made available.
+ */
+#define VIRTIO_F_IN_ORDER 35
+
 /* The Guest publishes the used index for which it expects an interrupt
  * at the end of the avail ring. Host should ignore the avail->flags field. */
 /* The Host publishes the avail index for which it expects a kick