+#define AVF_RXD_STATUS(x) (1ULL << x)
+#define AVF_RXD_STATUS_DD AVF_RXD_STATUS(0)
+#define AVF_RXD_STATUS_EOP AVF_RXD_STATUS(1)
+#define AVF_RXD_ERROR_SHIFT 19
+#define AVF_RXD_PTYPE_SHIFT 30
+#define AVF_RXD_LEN_SHIFT 38
+
+#define AVF_RXD_ERROR_IPE (1ULL << (AVF_RXD_ERROR_SHIFT + 3))
+#define AVF_RXD_ERROR_L4E (1ULL << (AVF_RXD_ERROR_SHIFT + 4))
+
+