HWU info: X1143A-R6 (111-00910) (2p 16Gb|10Gb UTA2 Cu|Op) (Block Access,Networking,Storage,Tape)
That is a CNA/UTA2 card...
In any case, NetApp doesn't supply separate firmware packages for NIC/HBA cards. They are bundled with ONTAP, instead. Upgrade to a recent ONTAP version to get the latest supported firmware for a NIC/HBA.