diff -r dda32c8294ad -r d113b63c55c4 script/init.d/ethercat --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/script/init.d/ethercat Tue Feb 13 13:01:59 2007 +0000 @@ -0,0 +1,279 @@ +#!/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 + +#------------------------------------------------------------------------------