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#! /bin/sh
###############################################################################
## Copyright (C) 2016 The Qt Company Ltd.
## Contact: http://www.qt.io/licensing/
##
## This file is part of the Boot to Qt meta layer.
##
## $QT_BEGIN_LICENSE:BSD$
## You may use this file under the terms of the BSD license as follows:
##
## "Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions are
## met:
## * Redistributions of source code must retain the above copyright
## notice, this list of conditions and the following disclaimer.
## * Redistributions in binary form must reproduce the above copyright
## notice, this list of conditions and the following disclaimer in
## the documentation and/or other materials provided with the
## distribution.
## * Neither the name of The Qt Company Ltd nor the names of its
## contributors may be used to endorse or promote products derived
## from this software without specific prior written permission.
##
##
## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
##
## $QT_END_LICENSE$
###############################################################################
MANUFACTURER="The Qt Company"
PRODUCT_STRING="Boot2Qt Ethernet/RNDIS connection"
DAEMON=/usr/bin/qdbd
CONFIGFS_PATH=/sys/kernel/config
GADGET_CONFIG=$CONFIGFS_PATH/usb_gadget/g1
. /etc/default/qdbd
function initialize_gadget() {
# Initialize gadget with first UDC driver
for driverpath in /sys/class/udc/*; do
drivername=`basename $driverpath`
echo "$drivername" > $GADGET_CONFIG/UDC
break
done
}
function disable_gadget() {
echo "" > $GADGET_CONFIG/UDC
}
case "$1" in
start)
b2qt-gadget-network.sh --reset
modprobe libcomposite
sleep 1
# Gadget configuration
mkdir -p $GADGET_CONFIG
echo $VENDOR > $GADGET_CONFIG/idVendor
echo $PRODUCT > $GADGET_CONFIG/idProduct
mkdir -p $GADGET_CONFIG/strings/0x409
echo $MANUFACTURER > $GADGET_CONFIG/strings/0x409/manufacturer
echo $PRODUCT_STRING > $GADGET_CONFIG/strings/0x409/product
echo ${SERIAL:0:32} > $GADGET_CONFIG/strings/0x409/serialnumber
mkdir -p $GADGET_CONFIG/configs/c.1/strings/0x409
echo "USB Ethernet + QDB" > $GADGET_CONFIG/configs/c.1/strings/0x409/configuration
mkdir -p $GADGET_CONFIG/functions/rndis.usb0
mkdir -p $GADGET_CONFIG/functions/ffs.qdb
ln -sf $GADGET_CONFIG/functions/rndis.usb0 $GADGET_CONFIG/configs/c.1
ln -sf $GADGET_CONFIG/functions/ffs.qdb $GADGET_CONFIG/configs/c.1
# Function fs mountpoints
mkdir -p /dev/usb-ffs
chmod 770 /dev/usb-ffs
mkdir -p /dev/usb-ffs/qdb
chmod 770 /dev/usb-ffs/qdb
mount -t functionfs qdb /dev/usb-ffs/qdb -o uid=0,gid=0
shift
start-stop-daemon --start --quiet --exec $DAEMON -- $@ &
sleep 1
initialize_gadget
;;
stop)
disable_gadget
start-stop-daemon --stop --quiet --exec $DAEMON
sleep 1
umount /dev/usb-ffs/qdb
rm $GADGET_CONFIG/configs/c.1/rndis.usb0
rm $GADGET_CONFIG/configs/c.1/ffs.qdb
rmdir $GADGET_CONFIG/configs/c.1/strings/0x409
rmdir $GADGET_CONFIG/configs/c.1
rmdir $GADGET_CONFIG/functions/rndis.usb0
rmdir $GADGET_CONFIG/functions/ffs.qdb
rmdir $GADGET_CONFIG/strings/0x409
rmdir $GADGET_CONFIG
;;
restart)
disable_gadget
start-stop-daemon --stop --quiet --exec $DAEMON
b2qt-gadget-network.sh --reset
sleep 1
shift
start-stop-daemon --start --quiet --exec $DAEMON -- $@ &
sleep 1
initialize_gadget
;;
*)
echo "Usage: $0 {start|stop|restart}"
exit 1
esac
exit 0
|
