From c91600dea4d59ce0812fe66e2688ad7f01e281a0 Mon Sep 17 00:00:00 2001
From: Bill Nottingham <notting@redhat.com>
Date: Tue, 9 Sep 2003 04:47:02 +0000
Subject: bridging support (<dwmw2@redhat.com>)

---
 rc.d/init.d/network              | 21 +++++++++++++++------
 sysconfig/network-scripts/ifdown | 10 ++++++++++
 sysconfig/network-scripts/ifup   | 17 +++++++++++++++++
 3 files changed, 42 insertions(+), 6 deletions(-)

diff --git a/rc.d/init.d/network b/rc.d/init.d/network
index fabf2ff4..3cbf9c7c 100755
--- a/rc.d/init.d/network
+++ b/rc.d/init.d/network
@@ -98,12 +98,14 @@ case "$1" in
 
 	cipeinterfaces=""
 	xdslinterfaces=""
+	bridgeinterfaces=""
 
 	# bring up all other interfaces configured to come up at boot time
 	for i in $interfaces; do
 		eval $(LANG=C fgrep "DEVICE=" ifcfg-$i)
 		eval $(LANG=C fgrep "TYPE=" ifcfg-$i)
 		eval $(LANG=C fgrep "SLAVE=" ifcfg-$i)
+		eval $(LANG=C fgrep "BRIDGE=" ifcfg-$i)
 		
 		if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi
 
@@ -116,6 +118,11 @@ case "$1" in
 			continue
 		fi
 		
+		if [ -n "$BRIDGE" ]; then
+		        bridgeinterfaces="$bridgeinterfaces $DEVICE"
+			continue
+		fi
+		
 		if [ "$SLAVE" = "yes" ]; then
 			continue
 		fi
@@ -134,7 +141,7 @@ case "$1" in
 	done
 	
 	# Bring up xDSL and CIPE interfaces
-	for i in $xdslinterfaces $cipeinterfaces ; do 
+	for i in $bridgeinterfaces $xdslinterfaces $cipeinterfaces ; do 
             if ! LANG=C egrep -L "^ONBOOT=['\"]?[Nn][Oo]['\"]?" ifcfg-$i >/dev/null 2>&1 ; then
 		# If we're in confirmation mode, get user confirmation.
 		if [ -f /var/run/confirm ]; then
@@ -186,22 +193,24 @@ case "$1" in
  	fi
  
 	cipeinterfaces=""
-	bondinterfaces=""
 	xdslinterfaces=""
+	bridgeinterfaces=""
 
 	# get list of bonding, cipe, and xdsl interfaces
 	for i in $interfaces; do
 		eval $(LANG=C fgrep "DEVICE=" ifcfg-$i)
 		eval $(LANG=C fgrep "TYPE=" ifcfg-$i)
+		eval $(LANG=C fgrep "BRIDGE=" ifcfg-$i)
+		
 		if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi
 
 		if [ "${DEVICE##cipcb}" != "$DEVICE" ] ; then
 			cipeinterfaces="$cipeinterfaces $DEVICE"
 			continue
 		fi
-		if [ "${DEVICE##bond}" != "$DEVICE" ] ; then
-			bondinterfaces="$bondinterfaces $DEVICE"
-			continue
+		if [ -n "$BRIDGE" ]; then
+		        bridgeinterfaces="$bridgeinterfaces $DEVICE"
+		        continue
 		fi
 		if [ "$TYPE" = "xDSL" ]; then
 		        xdslinterfaces="$xdslinterfaces $DEVICE"
@@ -209,7 +218,7 @@ case "$1" in
 		fi
 	done
 	
-	for i in $bondinterfaces $cipeinterfaces $xdslinterfaces ; do
+	for i in $cipeinterfaces $xdslinterfaces $bridgeinterfaces ; do
 		eval $(fgrep "DEVICE=" ifcfg-$i)
 		if [ -z "$DEVICE" ] ; then DEVICE="$i"; fi
 
diff --git a/sysconfig/network-scripts/ifdown b/sysconfig/network-scripts/ifdown
index 65ef52e1..9622f0ca 100755
--- a/sysconfig/network-scripts/ifdown
+++ b/sysconfig/network-scripts/ifdown
@@ -44,6 +44,12 @@ if [ -x $OTHERSCRIPT ]; then
 	exec $OTHERSCRIPT $CONFIG $2
 fi
 
+if [ -n "${BRIDGE}" -a -x /usr/sbin/brctl ]; then
+      /sbin/ip link set ${DEVICE} down
+      /usr/sbin/brctl delif ${BRIDGE} ${DEVICE}
+      exit 0
+fi 
+
 . /etc/sysconfig/network
 
 # Check to make sure the device is actually up
@@ -122,6 +128,10 @@ if [ "$retcode" = 0 ] ; then
     # the interface went down.
 fi
 
+if [ "$TYPE" = "Bridge" -a -x /usr/sbin/brctl ]; then
+    /usr/sbin/brctl delbr ${DEVICE}
+fi
+
 if [ -n "$VLAN" -a -x /sbin/vconfig ]; then
     # 802.1q VLAN
     if echo ${DEVICE} | LANG=C egrep -v '(:)' | LANG=C egrep -q 'eth[0-9][0-9]*\.[0-9][0-9]?[0-9]?[0-9]?' ; then
diff --git a/sysconfig/network-scripts/ifup b/sysconfig/network-scripts/ifup
index d50380b2..96f7128e 100755
--- a/sysconfig/network-scripts/ifup
+++ b/sysconfig/network-scripts/ifup
@@ -53,6 +53,8 @@ then
     exit 0
 fi
 
+[ "${TYPE}" = "Bridge" ] && exit 0
+
 # Ethernet 802.1Q VLAN support
 if [ -x /sbin/vconfig -a "${VLAN}" = "yes" ]; then
     if echo ${DEVICE} | LANG=C egrep -v '(:)' | LANG=C egrep -q 'eth[0-9][0-9]*\.[0-9][0-9]?[0-9]?[0-9]?' ; then
@@ -151,6 +153,21 @@ if [ -n "${HWADDR}" ]; then
     fi
 fi
 
+if [ "${TYPE}" = "Bridge" -a -x /usr/sbin/brctl ]; then
+      /sbin/ip link set ${DEVICE} down 2>/dev/null
+      /usr/sbin/brctl delbr ${DEVICE} 2>/dev/null
+      /usr/sbin/brctl addbr ${DEVICE}
+      [ -n "${DELAY}" ] && /usr/sbin/brctl setfd ${DEVICE} ${DELAY}
+      [ -n "${GCINT}" ] && /usr/sbin/brctl setgcint ${DEVICE} ${GCINT}
+fi
+
+if [ -n "${BRIDGE}" -a -x /usr/sbin/brctl ]; then
+      /sbin/ip addr flush dev ${DEVICE} 2>/dev/null
+      /sbin/ip link set ${DEVICE} up
+      /usr/sbin/brctl addif ${BRIDGE} ${DEVICE}
+      exit $?
+fi 
+
 # now check the real state
 is_available ${REALDEVICE} || {
       if [ "$?" = "1" ] ; then
-- 
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