> We've several pending requests regarding: > - changing the default clock value, > - reading the bus load value, > - using a flashed device id. to better control the can interface number, > - identifying the (USB) channel > - ... I tend to look in the (in your case) usb device, and add properties there. After all, those are device-related properties, not? You could reach them via /sys/class/net/canX/device/... If you add them before the netdev is registered, you can use them in udev rules without race conditions. Kurt