This program unlocks intel xl710 NICs.
# ./xl710_unlock -n enp4s0f0
EMP SR offset: 0x67a8
PHY offset: 0x68f6
PHY data struct size: 0x000c
MISC: 0x6b0c <- locked
MISC: 0x6b0c <- locked
MISC: 0x6b0c <- locked
MISC: 0x6b0c <- locked
Ready to fix it? [y/N]: y