X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fvirtio%2Fvirtio_ring.h;h=17a56b0a7341e3916649e953d9e45d24dfc916c7;hb=daa02b5cddbb8e11b31d41e2bf7bb1ae64dcae2f;hp=6abec4d871c7a2c38546946683420df82e932f02;hpb=4cdc4d98313e717df7d1dba769d71e7e4050da54;p=dpdk.git

diff --git a/drivers/net/virtio/virtio_ring.h b/drivers/net/virtio/virtio_ring.h
index 6abec4d871..17a56b0a73 100644
--- a/drivers/net/virtio/virtio_ring.h
+++ b/drivers/net/virtio/virtio_ring.h
@@ -15,10 +15,15 @@
 #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(b)   ((uint16_t)(b) << 7)
+#define VRING_PACKED_DESC_F_AVAIL	(1 << 7)
 /* This flag means the descriptor was used by the device */
-#define VRING_DESC_F_USED(b)    ((uint16_t)(b) << 15)
+#define VRING_PACKED_DESC_F_USED	(1 << 15)
+
+/* Frequently used combinations */
+#define VRING_PACKED_DESC_F_AVAIL_USED	(VRING_PACKED_DESC_F_AVAIL | \
+					 VRING_PACKED_DESC_F_USED)
 
 /* 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
@@ -54,7 +59,7 @@ struct vring_used_elem {
 
 struct vring_used {
 	uint16_t flags;
-	volatile uint16_t idx;
+	uint16_t idx;
 	struct vring_used_elem ring[0];
 };
 
@@ -128,7 +133,7 @@ vring_size(struct virtio_hw *hw, unsigned int num, unsigned long align)
 {
 	size_t size;
 
-	if (vtpci_packed_queue(hw)) {
+	if (virtio_with_packed_queue(hw)) {
 		size = num * sizeof(struct vring_packed_desc);
 		size += sizeof(struct vring_packed_desc_event);
 		size = RTE_ALIGN_CEIL(size, align);