Kernel Config

* 整理功能別 Linux Kernel Configure (4.19)

Enable Software Bridge
CONFIG_BRIDGE=y
   [*] Networking support --->
      Networking options --->
         <*> 802.1d Ethernet Bridging

Enable USB Gadget Ethernet (with RNDIS)
CONFIG_USB_GADGET=y
CONFIG_USB_ETH=m
CONFIG_USB_ETH_RNDIS=y (If connecting to Windows Host)
CONFIG_INET=y

CONFIG_USB_GADGET=y
   Device Dsrivers --->
      [*] USB support --->
       <*> USB Gadget Support --->

CONFIG_USB_ETH=m
   Device Dsrivers --->
      [*] USB support --->
         <*> USB Gadget Support --->
             <*> Ethernet Gadget (with CDC Ethernet support)

CONFIG_USB_ETH_RNDIS=y
   Device Dsrivers --->
      [*] USB support --->
         <*> USB Gadget Support --->
             <*> USB Gadget precomposed configurations
                 <*>Ethernet Gadget (with CDC Ethernet support)
                     [*] RNDIS support