FreeBSD driver for USB Ethernet adapter

# uname -sr
FreeBSD 11.1-STABLE

# usbconfig
ugen6.2:  <Realtek USB 101001000 LAN> at usbus6, cfg=1 md=HOST spd=HIGH (480Mbps) pwr=ON (200mA)

# usbconfig dump_device_desc
...
ugen6.2:  <Realtek USB 101001000 LAN> at usbus6, cfg=1 md=HOST spd=HIGH (480Mbps) pwr=ON (200mA)

  bLength = 0x0012
  bDescriptorType = 0x0001
  bcdUSB = 0x0210
  bDeviceClass = 0x0000  <Probed by interface class>
  bDeviceSubClass = 0x0000
  bDeviceProtocol = 0x0000
  bMaxPacketSize0 = 0x0040
  idVendor = 0x0bda
  idProduct = 0x8153
  bcdDevice = 0x3000
  iManufacturer = 0x0001  <Realtek>
  iProduct = 0x0002  <USB 10/100/1000 LAN>
  iSerialNumber = 0x0006 <000001>
  bNumConfigurations = 0x0002
...

# kldload if_cdce

# ifconfig ue0
ue0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
...

• cdce — USB Communication Device Class Ethernet driver
• 本文测试所用 USB 有线网卡：品恒（PIHEN） USB有线网卡 USB转RJ45网口转换器 小米华为机顶盒子网卡有线 USB3.0 千兆网卡(兼容苹果笔记本)

#freebsd, #if_cdce

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