[En-Nut-Discussion] Network Link state on at91_emac and others

[Henrik Maier]

> As previously stated I'm aware, that some applications need to be
> informed about the link status. If we implement a callback registration,
> the application may decide about what to do in case of a link loss.

I am thinking practical here now. Would NutTcpReceive() return with an
appropriate return code if such link detection is implemented?

Henrik