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How/Where does Ethernet packet get passed to LWIP

Posted: Sat Sep 29, 2018 4:51 am
by jhinkle
I'm attempting to understand the interface between the ESP core and the LWIP stack.

I'm used to seeing an IRQ function that fires when a packet is available from the MAC and then that packet is passed into the "stack".

Where/How is that packet passing performed in the ESP8266?

Is there a callback registered that fires when the packet is available?

Can you point me to source/function that performs the interface?

Thanks in advance for any insight.