Hi JasonSeba,
Not sure if you have gone thru our README docu. Can you check if you are using MSI or MSIX?
http://downloadmirror.intel.com/23042/eng/README.txt
LLI (Low Latency Interrupts) ----------------------------
LLI allows for immediate generation of an interrupt upon processing receive packets that match certain criteria as set by the parameters described below. LLI parameters are not enabled when Legacy interrupts are used. You must be using MSI or MSI-X (see cat /proc/interrupts) to successfully use LLI.
Hope this helps.
rgds,
wb