WhyCan Forum(哇酷开发者社区)

#!/bin/sh -e
# Mount configfs
mount -t configfs none /sys/kernel/config

# Make directories
cd /sys/kernel/config/usb_gadget/
mkdir g && cd g

# USB Common Config

echo 0x1d6b > idVendor # Linux Foundation
echo 0x0104 > idProduct # Multifunction Composite Gadget
echo 0x0100 > bcdDevice # v1.0.0
echo 0x0200 > bcdUSB # USB2
echo 0xEF > bDeviceClass
echo 0x02 > bDeviceSubClass
echo 0x01 > bDeviceProtocol

mkdir -p strings/0x409

echo "20200107" > strings/0x409/serialnumber
echo "IOT Labs"     > strings/0x409/manufacturer
echo "USB Ethernet"   > strings/0x409/product

# ECM Network Config

HOST1="00:dc:c8:f7:75:14" # "HostPC"
SELF1="00:dd:dc:eb:6d:a1" # "Self"

mkdir -p configs/c.1/strings/0x409     
echo 250 > configs/c.1/MaxPower
echo "Config 1: ECM network" > configs/c.1/strings/0x409/configuration

mkdir functions/ecm.usb0
echo $HOST1 > functions/ecm.usb0/host_addr
echo $SELF1 > functions/ecm.usb0/dev_addr

ln -s functions/ecm.usb0 configs/c.1/


mkdir -p configs/c.2/strings/0x409     
echo 250 > configs/c.2/MaxPower
echo 0x80 > configs/c.2/bmAttributes
echo "RNDIS" > configs/c.2/strings/0x409/configuration


HOST="12:6e:27:fb:dc:88" # "HostPC"
SELF="02:6e:27:fb:dc:88" # "Self"

# RNDIS Config

mkdir -p functions/rndis.usb0
mkdir -p functions/rndis.usb0/os_desc/interface.rndis/Icons
mkdir -p functions/rndis.usb0/os_desc/interface.rndis/Label

echo $HOST > functions/rndis.usb0/host_addr
echo $SELF > functions/rndis.usb0/dev_addr
echo RNDIS   > functions/rndis.usb0/os_desc/interface.rndis/compatible_id
echo 5162001 > functions/rndis.usb0/os_desc/interface.rndis/sub_compatible_id
echo 2 > functions/rndis.usb0/os_desc/interface.rndis/Icons/type
echo "%SystemRoot%\system32\shell32.dll,-233" > functions/rndis.usb0/os_desc/interface.rndis/Icons/data
echo 1 > functions/rndis.usb0/os_desc/interface.rndis/Label/type
echo "RNDIS Device" > functions/rndis.usb0/os_desc/interface.rndis/Label/data

ln -s functions/rndis.usb0 configs/c.2/

# OS descriptors
echo 1       > os_desc/use
echo 0xcd    > os_desc/b_vendor_code
echo MSFT100 > os_desc/qw_sign

ln -s configs/c.2 os_desc


ls /sys/class/udc/ > UDC

interface=usb0,usb1
dhcp-range=usb0,10.0.3.4,10.0.3.150,48h
dhcp-host=usb0,00:dc:c8:f7:75:14,10.0.3.1,infinite
dhcp-range=usb1,10.0.4.4,10.0.4.150,48h
dhcp-host=usb1,12:6e:27:fb:dc:88,10.0.4.1,infinite

# interface file auto-generated by buildroot

auto lo
iface lo inet loopback

# usb network interface
auto usb0
iface usb0 inet static
  address 10.0.3.2
  network 10.0.3.0
  netmask 255.255.255.0
  broadcast 10.0.3.255
auto usb1
iface usb1 inet static
  address 10.0.4.2
  network 10.0.4.0
  netmask 255.255.255.0
  broadcast 10.0.4.255