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