FEC is a complete standalone encoder/decoder block
which can be bypassed

Etherbone core will only support Wishbone slaves, not masters.
Remote EB Mastre will be in software on intel based PC with a GUI
for controlling remote memory mapped EB/Wishbone devices.

Controllable devices will be LED, PWM signal generator and
fake (free running) system time with get/set

NIOS soft CPU will configure altera 10/100/1000 ethernet mac.
The mac will be directly connected to the buffer stage as a streaming
sink/source.