Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2015-01-06 22:29:20 -05:00
parent de7b5b3d79 bdec419638
commit 44d84d7272
95 changed files with 783 additions and 578 deletions
@@ -101,6 +101,13 @@ struct vring {
 	struct vring_used *used;
 };

+/* Alignment requirements for vring elements.
+ * When using pre-virtio 1.0 layout, these fall out naturally.
+ */
+#define VRING_AVAIL_ALIGN_SIZE 2
+#define VRING_USED_ALIGN_SIZE 4
+#define VRING_DESC_ALIGN_SIZE 16
+
 /* The standard layout for the ring is a continuous chunk of memory which looks
 * like this.  We assume num is a power of 2.
 *