DL_PHYS_ADDR_ACK_SIZE
{ DL_PHYS_ADDR_ACK, DL_PHYS_ADDR_ACK_SIZE + DLPI_PHYSADDR_MAX },
retval = i_dlpi_msg_common(dip, &req, &ack, DL_PHYS_ADDR_ACK_SIZE, 0);
if (dataoff < DL_PHYS_ADDR_ACK_SIZE ||
err = dl_op(lh, &mp, DL_PHYS_ADDR_ACK, DL_PHYS_ADDR_ACK_SIZE, dleap,