Hi again. Going back to the start of our conversation: On Mon, Feb 15, 2021 at 03:45:09PM +0100, Marc Kleine-Budde wrote: > Sadly, the driver is still not in good shape...I think it will explode > as soon as you receive a CAN frame on the rpi, as the frames are passed > into the networking stack from the wrong context... > > Maybe I'll find some time to get receive properly working. Could you clarify what your concern is? netif_receive_skb seems to be used in the same way in m_can.c as in rx-offload.c.