I am testing lan by connecting usb ethernet (LAN7850) to stm32mp157f-dk2 board.Drivers microchip.ko and lan78xx.ko are loaded automatically and device eth1 appears normally.But when I connect or remove the cable to the lan port it doesn't recognize i...

I am trying to exchange data in an indirect way using the rpmsg_sdb driver.The memory in the cma area (0xe800000) was allocated through mmap in Linux. When accessing the 0xe8000000 area in m4, a HardFault occurs and the program stops.However, there i...

In AN5031 Rev4,Figure 49. Gigabit Ethernet 2-port switch example with VDD = 3.3 V (RTL8363NB-VG)There is the RTL8363NB used, but I can't find the driver anywhere.Can you provide the driver file or tell me where it is?