fp@563: #!/bin/sh
fp@563: 
fp@563: #------------------------------------------------------------------------------
fp@563: #
fp@563: #  Init script for EtherCAT
fp@563: #
fp@563: #  $Id$
fp@563: #
fp@563: #  Copyright (C) 2006  Florian Pose, Ingenieurgemeinschaft IgH
fp@563: #
fp@563: #  This file is part of the IgH EtherCAT Master.
fp@563: #
fp@563: #  The IgH EtherCAT Master is free software; you can redistribute it
fp@563: #  and/or modify it under the terms of the GNU General Public License
fp@563: #  as published by the Free Software Foundation; either version 2 of the
fp@563: #  License, or (at your option) any later version.
fp@563: #
fp@563: #  The IgH EtherCAT Master is distributed in the hope that it will be
fp@563: #  useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
fp@563: #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
fp@563: #  GNU General Public License for more details.
fp@563: #
fp@563: #  You should have received a copy of the GNU General Public License
fp@563: #  along with the IgH EtherCAT Master; if not, write to the Free Software
fp@563: #  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
fp@563: #
fp@563: #  The right to use EtherCAT Technology is granted and comes free of
fp@563: #  charge under condition of compatibility of product made by
fp@563: #  Licensee. People intending to distribute/sell products based on the
fp@563: #  code, have to sign an agreement to guarantee that products using
fp@563: #  software based on IgH EtherCAT master stay compatible with the actual
fp@563: #  EtherCAT specification (which are released themselves as an open
fp@563: #  standard) as the (only) precondition to have the right to use EtherCAT
fp@563: #  Technology, IP and trade marks.
fp@563: #
fp@563: #------------------------------------------------------------------------------
fp@563: 
fp@563: ### BEGIN INIT INFO
fp@563: # Provides:          ethercat
fp@563: # Required-Start:    $local_fs $syslog $network
fp@563: # Should-Start:      $time ntp
fp@563: # Required-Stop:     $local_fs $syslog $network
fp@563: # Should-Stop:       $time ntp
fp@563: # Default-Start:     3 5
fp@563: # Default-Stop:      0 1 2 6
fp@563: # Short-Description: IgH EtherCAT master modules
fp@563: # Description:
fp@563: ### END INIT INFO
fp@563: 
fp@563: #------------------------------------------------------------------------------
fp@563: 
fp@563: device="ecxml"
fp@563: 
fp@563: IFCONFIG=ifconfig
fp@563: BRCTL=brctl
fp@563: ROUTE=route
fp@563: 
fp@563: #------------------------------------------------------------------------------
fp@563: 
fp@563: ETHERCAT_CONFIG=/etc/sysconfig/ethercat
fp@563: 
fp@563: if [ ! -r $ETHERCAT_CONFIG ]; then
fp@563:     echo "$ETHERCAT_CONFIG not existing";
fp@563:     if [ "$1" = "stop" ]; then
fp@563: 	exit 0
fp@563:     else
fp@563: 	exit 6
fp@563:     fi
fp@563: fi
fp@563: 
fp@563: . $ETHERCAT_CONFIG
fp@563: 
fp@563: #------------------------------------------------------------------------------
fp@563: 
fp@563: #
fp@563: #  Function for setting up the EoE bridge
fp@563: #
fp@563: build_eoe_bridge()
fp@563: {
fp@563:     if [ -z "$EOE_BRIDGE" ]; then return; fi
fp@563: 
fp@563:     EOEIF=`$IFCONFIG -a | grep -o -E "^eoe[0-9]+ "`
fp@563: 
fp@563:     # add bridge, if it does not already exist
fp@563:     if ! $BRCTL show | grep -E -q "^$EOE_BRIDGE"; then
fp@563:         if ! $BRCTL addbr $EOE_BRIDGE; then
fp@563: 	    /bin/false
fp@563: 	    rc_status -v
fp@563: 	    rc_exit
fp@563: 	fi
fp@563:     fi
fp@563: 
fp@563:     # check if specified interfaces are bridged
fp@563:     for interf in $EOEIF $EOE_EXTRA_INTERFACES; do
fp@563: 	# interface is already part of the bridge (FIXME->show $EOE_BRIDGE)
fp@563: 	if $BRCTL show | grep -E -q $interf
fp@563: 	    then continue
fp@563: 	fi
fp@563: 	# clear IP address and open interface
fp@563: 	if ! $IFCONFIG $interf 0.0.0.0 up; then
fp@563: 	    /bin/false
fp@563: 	    rc_status -v
fp@563: 	    rc_exit
fp@563: 	fi
fp@563: 	# add interface to the bridge
fp@563: 	if ! $BRCTL addif $EOE_BRIDGE $interf; then
fp@563: 	    /bin/false
fp@563: 	    rc_status -v
fp@563: 	    rc_exit
fp@563: 	fi
fp@563:     done
fp@563: 
fp@563:     # configure IP on bridge
fp@563:     if [ -n "$EOE_IP_ADDRESS" -a -n "$EOE_IP_NETMASK" ]; then
fp@563: 	if ! $IFCONFIG $EOE_BRIDGE $EOE_IP_ADDRESS \
fp@563: 	    netmask $EOE_IP_NETMASK; then
fp@563: 	    /bin/false
fp@563: 	    rc_status -v
fp@563: 	    rc_exit
fp@563: 	fi
fp@563:     fi
fp@563: 
fp@563:     # open bridge
fp@563:     if ! $IFCONFIG $EOE_BRIDGE up; then
fp@563: 	/bin/false
fp@563: 	rc_status -v
fp@563: 	rc_exit
fp@563:     fi
fp@563: 
fp@563:     # install new default gateway
fp@563:     if [ -n "$EOE_GATEWAY" ]; then
fp@563: 	while $ROUTE -n | grep -E -q "^0.0.0.0"; do
fp@563: 	    if ! $ROUTE del default; then
fp@563: 		echo "Failed to remove route!" 1>&2
fp@563: 		/bin/false
fp@563: 		rc_status -v
fp@563: 		rc_exit
fp@563: 	    fi
fp@563: 	done
fp@563: 	if ! $ROUTE add default gw $EOE_GATEWAY; then
fp@563: 	    /bin/false
fp@563: 	    rc_status -v
fp@563: 	    rc_exit
fp@563: 	fi
fp@563:     fi
fp@563: }
fp@563: 
fp@563: #------------------------------------------------------------------------------
fp@563: 
fp@563: . /etc/rc.status
fp@563: rc_reset
fp@563: 
fp@563: case "$1" in
fp@563: 
fp@563:     start)
fp@563: 	echo -n "Starting EtherCAT master "
fp@563: 
fp@563: 	if [ -z "$DEVICE_INDEX" ]; then
fp@563: 	    echo "ERROR: DEVICE_INDEX not set!"
fp@563: 	    /bin/false
fp@563: 	    rc_status -v
fp@563: 	    rc_exit
fp@563: 	fi
fp@563: 
fp@563: 	if [ -z "$EOE_INTERFACES" ]; then
fp@563:             # support legacy sysconfig files
fp@563: 	    if [ -n "$EOE_DEVICES" ]; then
fp@563: 		EOE_INTERFACES=$EOE_DEVICES
fp@563: 	    else
fp@563: 		EOE_INTERFACES=0
fp@563: 	    fi
fp@563: 	fi
fp@563: 
fp@563:         # unload conflicting modules at first
fp@563: 	for mod in 8139too; do
fp@563: 	    if lsmod | grep "^$mod " > /dev/null; then
fp@563: 		if ! rmmod $mod; then
fp@563: 		    /bin/false
fp@563: 		    rc_status -v
fp@563: 		    rc_exit
fp@563: 		fi
fp@563: 	    fi
fp@563: 	done
fp@563: 
fp@563:         # load master module
fp@563: 	if ! modprobe ec_master ec_eoeif_count=$EOE_INTERFACES; then
fp@563: 	    modprobe 8139too
fp@563: 	    /bin/false
fp@563: 	    rc_status -v
fp@563: 	    rc_exit
fp@563: 	fi
fp@563: 
fp@563: 	# remove stale device node
fp@563: 	rm -f /dev/${device}0
fp@563: 
fp@563: 	# get dynamic major number
fp@563: 	major=$(awk "\$2==\"EtherCAT\" {print \$1}" /proc/devices)
fp@563: 
fp@563: 	# create character device
fp@563: 	mknod /dev/${device}0 c $major 0
fp@563: 
fp@563: 	# load device module
fp@563: 	if ! modprobe ec_8139too ec_device_index=$DEVICE_INDEX; then
fp@563: 	    rmmod ec_master
fp@563: 	    modprobe 8139too
fp@563: 	    /bin/false
fp@563: 	    rc_status -v
fp@563: 	    rc_exit
fp@563: 	fi
fp@563: 
fp@563: 	# build EoE bridge
fp@563: 	build_eoe_bridge
fp@563: 
fp@563: 	rc_status -v
fp@563: 	;;
fp@563: 
fp@563:     stop)
fp@563: 	echo -n "Shutting down EtherCAT master "
fp@563: 
fp@563: 	# unload modules
fp@563: 	for mod in ec_8139too ec_master; do
fp@563: 	    if lsmod | grep "^$mod " > /dev/null; then
fp@563: 		if ! rmmod $mod; then
fp@563: 		    /bin/false
fp@563: 		    rc_status -v
fp@563: 		    rc_exit
fp@563: 		fi;
fp@563: 	    fi;
fp@563: 	done
fp@563: 
fp@563: 	# remove device node
fp@563: 	rm -f /dev/${device}0
fp@563: 
fp@563: 	sleep 1
fp@563: 
fp@563: 	# reload previous modules
fp@563: 	if ! modprobe 8139too; then
fp@563: 	    echo "Warning: Failed to restore 8139too module."
fp@563: 	fi
fp@563: 
fp@563: 	rc_status -v
fp@563: 	;;
fp@563: 
fp@563:     restart)
fp@563: 	$0 stop || exit 1
fp@563: 	sleep 1
fp@563: 	$0 start
fp@563: 	rc_status
fp@563: 	;;
fp@563: 
fp@563:     status)
fp@563: 	echo -n "Checking for EtherCAT "
fp@563: 
fp@563: 	lsmod | grep "^ec_master " > /dev/null
fp@563: 	master_running=$?
fp@563: 	lsmod | grep "^ec_8139too " > /dev/null
fp@563: 	device_running=$?
fp@563: 
fp@563: 	# master module and device module loaded?
fp@563: 	test $master_running -eq 0 -a $device_running -eq 0
fp@563: 
fp@563: 	rc_status -v
fp@563: 	;;
fp@563: 
fp@563:     bridge)
fp@563: 	echo -n "Building EoE bridge "
fp@563: 	build_eoe_bridge
fp@563: 	rc_status -v
fp@563: 	;;
fp@563: 
fp@563:     *)
fp@563: 	echo "USAGE: $0 {start|stop|restart|status|bridge}"
fp@563: 	;;
fp@563: 
fp@563: esac
fp@563: 
fp@563: rc_exit
fp@563: 
fp@563: #------------------------------------------------------------------------------