Use NCM instead of RNDIS for USB ethernet gadget

os-brainux/override-pre.sh

@@ -6,5 +6,5 @@ SRC=$1
 DST=$2
 
 install -g root -o root -m 0644 $SRC/lib/systemd/system/boot.mount $DST/lib/systemd/system/boot.mount
-install -g root -o root -m 0644 $SRC/lib/systemd/system/rndis_gadget.service $DST/lib/systemd/system/rndis_gadget.service
+install -g root -o root -m 0644 $SRC/lib/systemd/system/ethernet_gadget.service $DST/lib/systemd/system/ethernet_gadget.service
-install -g root -o root -m 0755 $SRC/usr/bin/enable_rndis_gadget $DST/usr/bin/enable_rndis_gadget
+install -g root -o root -m 0755 $SRC/usr/bin/enable_ethernet_gadget $DST/usr/bin/enable_ethernet_gadget

os-brainux/override/lib/systemd/system/ethernet_gadget.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=Enable Ethernet USB Gadget
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/enable_ethernet_gadget
+
+[Install]
+WantedBy=multi-user.target

os-brainux/override/lib/systemd/system/rndis_gadget.service

@@ -1,9 +0,0 @@
-[Unit]
-Description=Enable RNDIS USB Gadget
-
-[Service]
-Type=oneshot
-ExecStart=/usr/bin/enable_rndis_gadget
-
-[Install]
-WantedBy=multi-user.target

os-brainux/override/usr/bin/enable_ethernet_gadget

@@ -0,0 +1,29 @@
+#!/bin/sh
+
+g=/sys/kernel/config/usb_gadget/eth
+
+mkdir ${g}
+
+echo "0x0200" > ${g}/bcdUSB
+echo "0x0200" > ${g}/bcdDevice
+
+mkdir -p ${g}/strings/0x409
+echo "0123456789" > ${g}/strings/0x409/serialnumber
+echo "SHARP" > ${g}/strings/0x409/manufacturer
+echo "Brain" > ${g}/strings/0x409/product
+
+mkdir -p ${g}/configs/c.1/strings/0x409
+echo "NCM Config" > ${g}/configs/c.1/strings/0x409/configuration
+echo 250 > ${g}/configs/c.1/MaxPower
+
+mkdir ${g}/functions/ncm.usb0
+echo "8a:15:8b:44:3a:02" > ${g}/functions/ncm.usb0/dev_addr
+echo "8a:15:8b:44:3a:01" > ${g}/functions/ncm.usb0/host_addr
+
+ln -s ${g}/functions/ncm.usb0 ${g}/configs/c.1/
+
+echo "ci_hdrc.0" > ${g}/UDC
+
+sleep 1
+ifconfig usb0 up
+dhclient

os-brainux/override/usr/bin/enable_rndis_gadget

@@ -1,25 +0,0 @@
-#!/bin/sh
-
-g=/sys/kernel/config/usb_gadget/eth
-
-mkdir ${g}
-
-echo "0x3066" > ${g}/bcdDevice
-echo "1" > ${g}/os_desc/use
-echo "0xcd" > ${g}/os_desc/b_vendor_code
-echo "MSFT100" > ${g}/os_desc/qw_sign
-
-mkdir ${g}/functions/rndis.rn0
-echo "RNDIS" > ${g}/functions/rndis.rn0/os_desc/interface.rndis/compatible_id
-echo "5162001" > ${g}/functions/rndis.rn0/os_desc/interface.rndis/sub_compatible_id
-echo "8a:15:8b:44:3a:02" > ${g}/functions/rndis.rn0/dev_addr
-echo "8a:15:8b:44:3a:01" > ${g}/functions/rndis.rn0/host_addr
-
-mkdir ${g}/configs/c.1
-ln -s ${g}/functions/rndis.rn0 ${g}/configs/c.1/
-
-echo "ci_hdrc.0" > ${g}/UDC
-
-sleep 1
-ifconfig usb0 up
-dhclient

os-brainux/setup_brainux.sh

@@ -139,7 +139,7 @@ EOF
 systemctl enable boot.mount
 
 # Enable RNDIS gadget
-systemctl enable rndis_gadget
+systemctl enable ethernet_gadget
 
 # Get wild
 cat <<EOF > /etc/apt/sources.list