Asix AX88179 USB to Ethernet Adapter

[NiKiZe]

So the main issue is that Keyboard stops working after DHCP in EFI mode.
Are you using a USB keyboard as well?
Have you tried to use a script to see if boot works - just to confirm if keyboard is the only thing that dies?
if you have issues with pure ipxe.efi (which does not have USB support) than there is something else going on that hangs probably...

EFI firmware and timers that are involved with USB and the iPXE Keyboard driver when USB is used, is a likely culpit, reading the git commit history for the USB keyboard stuff will give some insight into how messy EFI is there.