Hello,
I've successfully implemented a baremetal, RNDIS as a USB-Device with LwIP (UDP, standard ethernet frames).
Sam_ECU_3-1736924441838.png
Sam_ECU_2-1736924407545.png
Sam_ECU_0-1736924240202.png
It also has implemented iPerf and tested to 60 Mbps. Further optimisation is possible:
Sam_ECU_1-1736924309042.png
If you're interested in this code, please message me privately.