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|
#!/bin/sh
#
# chkconfig: 2345 11 89
# description: Brings up and configures the ethernet bridge
# processname: bridge
# Source function library.
. /etc/init.d/functions
# Check that networking is up.
if [ "$NETWORKING" = "no" ]
then
exit 0
fi
RETVAL=0
[ -f /etc/rsbridgeinit.conf ] && . /etc/rsbridgeinit.conf
###### Sample of what /etc/rsbridgeinit.conf should look like
# bridgeprefix="gbr"
# #UPDATE_STRING=-b eth2 eth3
# BRIDGES="0"
# CSIF[0]="eth2"
# SSIF[0]="eth3"
##########################
#Enable RSTP if we have /sbin/rstpd
RSTPD=/sbin/rstpd
RSTPCTL=/sbin/rstpctl
RSTP=0
[ -x $RSTPD -a -x $RSTPCTL ] && RSTP=1
slaves () {
cat /proc/net/bonding/$1 | grep 'Slave Interface' | cut -d: -f2
}
# set interrupt affinity to first cpu
setsmpaffinity() {
if [[ $1 == bond* ]] ; then
for sl in `slaves $1`; do
irq=`grep $sl /proc/interrupts | cut -d: -f1`
echo 1 > /proc/irq/$irq/smp_affinity
done
else
irq=`grep $1 /proc/interrupts | cut -d: -f1`
echo 1 > /proc/irq/$irq/smp_affinity
fi
}
start () {
[ $RSTP == 1 ] && echo Starting rstpd && daemon $RSTPD ">>" /var/log/rstpd.log "2>&1"
for b in $BRIDGES ; do
echo Starting service bridge $bridgeprefix$b
brctl addbr $bridgeprefix$b || RETVAL=1
if [ $RSTP == 0 ] ; then
brctl stp $bridgeprefix$b on
brctl setbridgeprio $bridgeprefix$b 65000
fi
for br in ${CSIF[$b]} ; do
echo Adding CSIF $br on $bridgeprefix$b
ifup $br
brctl addif $bridgeprefix$b $br || RETVAL=1
done
if [ "$1" != "client" ]; then
for br in ${SSIF[$b]} ; do
echo Adding SSIF $br on $bridgeprefix$b
ifup $br
if [[ $br == bond* ]] ; then
for sl in `slaves $br`; do
ifconfig $sl down
done
else
ifconfig $br down
fi
brctl addif $bridgeprefix$b $br || RETVAL=1
done
fi
ifup $bridgeprefix$b
if [ $RSTP == 1 ]; then
rstpctl rstp $bridgeprefix$b on
rstpctl setbridgeprio $bridgeprefix$b 61440
fi
done
for b in $BRIDGES ; do
. /etc/sysconfig/network-scripts/ifcfg-$bridgeprefix$b
# We will always have the subnet route entry. If there is a default gateway
# on that subnet, we will have an entry for that as well
if [ -n "$GATEWAY" ] ; then rttarget=2 ; else rttarget=1 ; fi
rtcount=x
count=1
while true ; do
new_rtcount=`grep -c $bridgeprefix$b /proc/net/route`;
if [ $new_rtcount != $rtcount ]; then
#DEBUG echo Number of route entries for $bridgeprefix$b is $new_rtcount
rtcount=$new_rtcount
fi
if [ $rtcount == $rttarget ]; then
#DEBUG echo Reached target for $bridgeprefix$b
break;
fi
count=`expr $count + 1`
if [ $count -gt 12 ]; then
echo Incomplete IP configuration for $bridgeprefix$b. Check network config. Aborting.
break;
fi
echo Incomplete IP configuration for $bridgeprefix$b. Waiting 5 seconds.
sleep 5
done
done
}
stop () {
for b in $BRIDGES ; do
echo "Shutting down service bridge $bridgeprefix$b"
for br in ${SSIF[$b]} ; do
echo Removing SSIF $br on $bridgeprefix$b
brctl delif $bridgeprefix$b $br || RETVAL=1
done
for br in ${CSIF[$b]} ; do
echo Removing CSIF $br on $bridgeprefix$b
brctl delif $bridgeprefix$b $br || RETVAL=1
done
ifconfig $bridgeprefix$b down || RETVAL=1
brctl delbr $bridgeprefix$b || RETVAL=1
done
[ $RSTP == 1 ] && killproc rstpd
}
serverif () {
case "$1" in
up)
for b in $BRIDGES ; do
for br in ${SSIF[$b]} ; do
echo Enabling $br on $bridgeprefix$b
if [[ $br == bond* ]] ; then
for sl in `slaves $br`; do
echo ' ' Enabling slave $sl of $br
ifconfig $sl up
done
else
ifconfig $br up
fi
done
done
;;
down)
for b in $BRIDGES ; do
for br in ${SSIF[$b]} ; do
echo Disabling $br on $bridgeprefix$b
if [[ $br == bond* ]]; then
for sl in `slaves $br`; do
echo ' ' Disabling slave $sl of $br
ifconfig $sl down
done
else
ifconfig $br down
fi
done
done
;;
*)
exit 1
esac
}
# See how we were called.
case "$1" in
start)
start $2
;;
stop)
stop $2
;;
status)
for b in $BRIDGES ; do
ifconfig $bridgeprefix$b
brctl showstp $bridgeprefix$b
done
;;
serverif)
serverif $2
;;
restart|reload)
stop
start
;;
*)
echo $"Usage: $0 {start|stop|status|restart|reload}"
exit 1
esac
exit $RETVAL
|
