--- a/script/ethercat.sh Mon Jun 26 16:07:07 2006 +0000
+++ b/script/ethercat.sh Wed Aug 02 12:25:25 2006 +0000
@@ -59,6 +59,80 @@
#------------------------------------------------------------------------------
+#
+# Function for setting up the EoE bridge
+#
+build_eoe_bridge() {
+ if [ -z "$EOE_BRIDGE" ]; then return; fi
+
+ EOEIF=`/sbin/ifconfig -a | grep -o -E "^eoe[0-9]+ "`
+
+ # add bridge, if it does not already exist
+ if ! /sbin/brctl show | grep -E -q "^$EOE_BRIDGE"; then
+ if ! /sbin/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
+ if /sbin/brctl show $EOE_BRIDGE | grep -E -q $interf
+ then continue
+ fi
+ # clear IP address and open interface
+ if ! /sbin/ifconfig $interf 0.0.0.0 up; then
+ /bin/false
+ rc_status -v
+ rc_exit
+ fi
+ # add interface to the bridge
+ if ! /sbin/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 ! /sbin/ifconfig $EOE_BRIDGE $EOE_IP_ADDRESS \
+ netmask $EOE_IP_NETMASK; then
+ /bin/false
+ rc_status -v
+ rc_exit
+ fi
+ fi
+
+ # open bridge
+ if ! /sbin/ifconfig $EOE_BRIDGE up; then
+ /bin/false
+ rc_status -v
+ rc_exit
+ fi
+
+ # install new default gateway
+ if [ -n "$EOE_GATEWAY" ]; then
+ while /sbin/route -n | grep -E -q "^0.0.0.0"; do
+ if ! /sbin/route del default; then
+ echo "Failed to remove route!" 1>&2
+ /bin/false
+ rc_status -v
+ rc_exit
+ fi
+ done
+ if ! /sbin/route add default gw $EOE_GATEWAY; then
+ /bin/false
+ rc_status -v
+ rc_exit
+ fi
+ fi
+}
+
+#------------------------------------------------------------------------------
+
. /etc/rc.status
rc_reset
@@ -73,10 +147,15 @@
rc_exit
fi
- if [ -z "$EOE_DEVICES" ]; then
- EOE_DEVICES=0
- fi
-
+ if [ -z "$EOE_INTERFACES" ]; then
+ if [ -n "$EOE_DEVICES"]; then # support legacy sysconfig files
+ EOE_INTERFACES=$EOE_DEVICES
+ else
+ EOE_INTERFACES=0
+ fi
+ fi
+
+ # unload conflicting modules at first
for mod in 8139too 8139cp; do
if lsmod | grep "^$mod " > /dev/null; then
if ! rmmod $mod; then
@@ -87,78 +166,22 @@
fi
done
- if ! modprobe ec_master ec_eoe_devices=$EOE_DEVICES; then
+ # load master module
+ if ! modprobe ec_master ec_eoeif_count=$EOE_INTERFACES; then
/bin/false
rc_status -v
rc_exit
fi
+ # load device module
if ! modprobe ec_8139too ec_device_index=$DEVICE_INDEX; then
/bin/false
rc_status -v
rc_exit
fi
- # Build EoE bridge
- if [ -n "$EOE_BRIDGE" ]; then
-
- EOE_INTERFACES=`/sbin/ifconfig -a | grep -o -E "^eoe[0-9]+ "`
-
- # add bridge, if it does not already exist
- if ! /sbin/brctl show | grep -E -q "^$EOE_BRIDGE"; then
- if ! /sbin/brctl addbr $EOE_BRIDGE; then
- /bin/false
- rc_status -v
- rc_exit
- fi
- fi
-
- # free all interfaces of their addresses and add them to the bridge
- for interface in $EOE_INTERFACES $EOE_EXTRA_INTERFACES; do
- if ! /sbin/ifconfig $interface 0.0.0.0 up; then
- /bin/false
- rc_status -v
- rc_exit
- fi
- if ! /sbin/brctl show | grep -E -q "^$EOE_BRIDGE.*$interface"; then
- if ! /sbin/brctl addif $EOE_BRIDGE $interface; then
- /bin/false
- rc_status -v
- rc_exit
- fi
- fi
- done
- if [ -n "$EOE_IP_ADDRESS" -a -n "$EOE_IP_NETMASK" ]; then
- if ! /sbin/ifconfig $EOE_BRIDGE $EOE_IP_ADDRESS \
- netmask $EOE_IP_NETMASK; then
- /bin/false
- rc_status -v
- rc_exit
- fi
- fi
- if ! /sbin/ifconfig $EOE_BRIDGE up; then
- /bin/false
- rc_status -v
- rc_exit
- fi
-
- # install new default gateway
- if [ -n "$EOE_GATEWAY" ]; then
- while /sbin/route -n | grep -E -q "^0.0.0.0"; do
- if ! /sbin/route del default; then
- echo "Failed to remove default route!" 1>&2
- /bin/false
- rc_status -v
- rc_exit
- fi
- done
- if ! /sbin/route add default gw $EOE_GATEWAY; then
- /bin/false
- rc_status -v
- rc_exit
- fi
- fi
- fi
+ # build EoE bridge
+ build_eoe_bridge
rc_status -v
;;
@@ -166,6 +189,7 @@
stop)
echo -n "Shutting down EtherCAT master "
+ # unload modules
for mod in ec_8139too ec_master; do
if lsmod | grep "^$mod " > /dev/null; then
if ! rmmod $mod; then
@@ -176,6 +200,9 @@
fi;
done
+ sleep 1
+
+ # reload previous modules
if ! modprobe 8139too; then
echo "Warning: Failed to restore 8139too module."
fi
@@ -184,7 +211,10 @@
;;
restart)
- $0 stop
+ $0 stop || exit 1
+
+ sleep 1
+
$0 start
rc_status
@@ -197,10 +227,24 @@
master_running=$?
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