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https://gitee.com/bianbu-linux/usb-gadget
synced 2025-06-28 11:05:52 -04:00
Update for v2.1
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James Deng
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2 changed files with 125 additions and 1 deletions
24
README.md
24
README.md
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@ -48,6 +48,14 @@ $ uvc-gadget-new
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gadget-setup.sh rndis
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```
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另外最新脚本增加快捷运行 dhcp 服务器功能，依赖 busybox udhcpd，只需要执行
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```
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gadget-setup.sh dhcp
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```
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就会自动为网卡配置ip地址，并且支持给PC通过DHCP协议分配IP地址，具体请查看脚本实现。
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### PC端设置
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目前最新版脚本已经支持Linux、Windows10下自动识别RNDIS设备驱动，无需手动安装。
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@ -55,6 +63,22 @@ gadget-setup.sh rndis
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## NCM
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不同于RNDIS由微软维护，NCM是USB-IF维护网络协议，主流操作系统（Linux,Windows 11,macOS等）具备支持。
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注：目前Windows 10的ncm驱动实现和Linux 6.6中ncm gadget兼容性不是最佳，微软在Windows 11才进行修复。
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```
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gadget-setup.sh ncm
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```
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另外最新脚本增加快捷运行 dhcp 服务器功能，依赖 busybox udhcpd，只需要执行
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```
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gadget-setup.sh dhcp
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```
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就会自动为网卡配置ip地址，并且支持给PC通过DHCP协议分配IP地址，具体请查看脚本实现。
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## ADB
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gadget-setup.sh 通用脚本集成了 ADB功能。
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@ -2,7 +2,7 @@
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# In busybox ash, should use /bin/sh, but bianbu cannot use /bin/sh
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name=`basename $0`
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SCRIPT_VERSION="v0.5-SUPPORTROLESW"
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SCRIPT_VERSION="v0.6-NCMDHCP"
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CONFIG_FILE=$HOME/.usb_config
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# USB Descriptors
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@ -21,6 +21,10 @@ GFUNC_PATH=$GADGET_PATH/functions
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GCONFIG=$GADGET_PATH/configs/c.1
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[ "$USB_UDC" ] || USB_UDC=$(ls /sys/class/udc | awk "NR==1{print}")
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# DHCP
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MYNETMASK="255.255.255.0"
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MYIP="192.168.36.101"
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YOURIP="192.168.36.102"
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# MSC Debug Ramdisk
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RAMDISK_PATH=/var/sdcard
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TMPFS_FOUND=`mount | grep tmpfs | grep -v devtmpfs | awk '{print $3}' | grep '/dev/shm' | wc -l`
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@ -40,6 +44,7 @@ MSC_ARG=""
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ADB=disabled
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UVC=disabled
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RNDIS=disabled
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NCM=disabled
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FUNCTION_CNT=0
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DEBUG=
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@ -66,6 +71,12 @@ usage()
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echo -e "\tadb Android Debug Bridge over USB."
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echo -e "\tuvc Webcam."
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echo -e "\trndis RNDIS NIC function."
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echo -e "\tncm NCM NIC function."
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echo ""
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echo -e "\tdhcp config busybox.udhcpd for NIC"
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echo -e "\t func on usb0, NIC func need"
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echo -e "\t to be configured first!"
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echo ""
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echo -e "\nSpacemiT gadget-setup tool $SCRIPT_VERSION"
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echo ""
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}
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@ -475,6 +486,7 @@ rndis_link()
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IFNAME=`cat $GFUNC_PATH/rndis.0/ifname`
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gadget_info "rndis function enabled, mac(h): $HOST_ADDR, mac(g): $DEV_ADDR, ifname: $IFNAME."
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gadget_info "execute ifconfig $IFNAME up to enable rndis iface."
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gadget_info "run $name dhcp to start dhcp server, assign IP to your PC(debug only)"
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}
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rndis_unlink()
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@ -489,6 +501,51 @@ rndis_clean()
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g_remove $GFUNC_PATH/rndis.0
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}
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## NCM
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ncm_config()
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{
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OVERRIDE_VENDOR_FOR_WINDOWS=$1
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# create function instance
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# functions/<f_function allowed>.<instance name>
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# f_function allowed: ncm
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mkdir -p $GFUNC_PATH/ncm.0
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}
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ncm_link()
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{
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echo 0xEF > $GADGET_PATH/bDeviceClass
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echo 0x02 > $GADGET_PATH/bDeviceSubClass
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echo 0x01 > $GADGET_PATH/bDeviceProtocol
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echo 1 > $GADGET_PATH/os_desc/use
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echo 0x1 > $GADGET_PATH/os_desc/b_vendor_code
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echo "MSFT100" > $GADGET_PATH/os_desc/qw_sign
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mkdir -p $GFUNC_PATH/ncm.0/os_desc/interface.ncm
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echo WINNCM > $GFUNC_PATH/ncm.0/os_desc/interface.ncm/compatible_id
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# echo 5162001 > $GFUNC_PATH/ncm.0/os_desc/interface.ncm/sub_compatible_id
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echo 10 > $GFUNC_PATH/ncm.0/qmult
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ln -s $GADGET_PATH/configs/c.1 $GADGET_PATH/os_desc/c.1
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ln -s $GFUNC_PATH/ncm.0 $GCONFIG
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HOST_ADDR=`cat $GFUNC_PATH/ncm.0/host_addr`
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DEV_ADDR=`cat $GFUNC_PATH/ncm.0/dev_addr`
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IFNAME=`cat $GFUNC_PATH/ncm.0/ifname`
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gadget_info "ncm function enabled, mac(h): $HOST_ADDR, mac(g): $DEV_ADDR, ifname: $IFNAME."
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gadget_info "execute ifconfig $IFNAME up to enable ncm iface."
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gadget_info "run $name dhcp to start dhcp server, assign IP to PC(debug only)"
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}
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ncm_unlink()
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{
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[ -e $GFUNC_PATH/ncm.0/ifname ] && ifconfig `cat $GFUNC_PATH/ncm.0/ifname` down
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g_remove $GADGET_PATH/os_desc/c.1
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g_remove $GCONFIG/ncm.0
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}
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ncm_clean()
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{
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g_remove $GFUNC_PATH/ncm.0
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}
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## MTP
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mtp_config()
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@ -556,6 +613,9 @@ echo_udc()
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gconfig()
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{
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# Override PID for function need driver install, windows sometimes cache vid/pid
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[ $RNDIS = okay ] && PRODUC_ID=0x0020
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[ $NCM = okay ] && PRODUC_ID=0x0019
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gadget_info "config $VENDOR_ID/$PRODUC_ID/$SERNUM_STR/$MANUAF_STR/$PRODUC_STR."
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mountpoint -q /sys/kernel/config || mount -t configfs none /sys/kernel/config
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[ -e $GADGET_PATH ] && die "ERROR: gadget already configured, should run stop first"
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@ -572,6 +632,7 @@ gconfig()
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mkdir $GCONFIG/strings/0x409
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# Windows rndis driver requires rndis to be the first interface
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[ $RNDIS = okay ] && rndis_config
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[ $NCM = okay ] && ncm_config
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[ $MSC = okay ] && msc_config
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[ $UAS = okay ] && uas_config
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[ $ADB = okay ] && adb_config
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@ -584,6 +645,7 @@ gclean()
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msc_clean
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uas_clean
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rndis_clean
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ncm_clean
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adb_clean
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uvc_clean
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# Remove string in gadget
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@ -597,6 +659,7 @@ gclean()
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glink()
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{
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[ $RNDIS = okay ] && rndis_link
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[ $NCM = okay ] && ncm_link
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[ $MSC = okay ] && msc_link
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[ $UAS = okay ] && uas_link
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[ $ADB = okay ] && adb_link
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@ -607,6 +670,7 @@ gunlink()
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{
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[ -e $GADGET_PATH/UDC ] || die "gadget not configured yet"
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rndis_unlink
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ncm_unlink
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msc_unlink
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uas_unlink
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adb_unlink
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@ -649,6 +713,9 @@ select_one()
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"rndis"|"network"|"net"|"if")
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RNDIS=okay
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;;
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"ncm"|"cdc_ncm")
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NCM=okay
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;;
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"mtp")
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MTP=okay
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;;
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@ -690,6 +757,10 @@ gstart()
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glink
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[ $FUNCTION_CNT -lt 1 ] && die "No function selected, will not pullup."
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echo_udc $1
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## improve u_ether(rndis/ncm) performance
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# echo "now enable usb0 rps, set rps_cpus to:"
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# echo 70 > /sys/class/net/usb0/queues/rx-0/rps_cpus
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# cat /sys/class/net/usb0/queues/rx-0/rps_cpus
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}
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gstop()
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@ -790,6 +861,32 @@ set_role() {
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}
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}
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config_dhcp()
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{
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rm -f /var/lib/misc/udhcpd.leases
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gadget_info "old lease file destroyed (/var/lib/misc/udhcpd.leases)"
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gadget_info "overriding /etc/udhcpd.conf..."
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echo "start $YOURIP" > /etc/udhcpd.conf
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echo "end $YOURIP" >> /etc/udhcpd.conf
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echo "interface usb0" >> /etc/udhcpd.conf
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echo "max_leases 1" >> /etc/udhcpd.conf
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echo "pidfile /var/run/udhcpd.pid" >> /etc/udhcpd.conf
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echo "lease_file /var/lib/misc/udhcpd.leases" >> /etc/udhcpd.conf
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echo "opt router $MYIP" >> /etc/udhcpd.conf
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echo "option subnet $MYNETMASK" >> /etc/udhcpd.conf
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echo "option domain local" >> /etc/udhcpd.conf
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echo "option lease 864000" >> /etc/udhcpd.conf
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ifconfig usb0 down
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ifconfig usb0 $MYIP netmask $MYNETMASK up
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sleep 1
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busybox udhcpd /etc/udhcpd.conf
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gadget_info "udhcpcd now running..."
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ps | grep udhcpd | grep -v grep
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gadget_info "Configure your usb host ncm interface to dhcp mode"
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gadget_info "The IP of USB host ncm iface: $YOURIP"
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gadget_info "Our IP as router: $MYIP"
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}
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print_info()
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{
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echo "SpacemiT gadget-setup tool $SCRIPT_VERSION"
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@ -841,6 +938,9 @@ case "$1" in
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shift
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set_role "$@"
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;;
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dhcp)
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config_dhcp
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;;
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[a-z]*)
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handle_select $1
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gstart $2
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