/* 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)
/* 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)