+#elif defined(RTE_ARCH_ARM)
+/* flag bits offset in packed ring desc from ID */
+#define FLAGS_BITS_OFFSET ((offsetof(struct vring_packed_desc, flags) - \
+ offsetof(struct vring_packed_desc, id)) * BYTE_SIZE)
+#define FLAGS_LEN_BITS_OFFSET ((offsetof(struct vring_packed_desc, flags) - \
+ offsetof(struct vring_packed_desc, len)) * BYTE_SIZE)
+#endif