From ff69fd0f08a9e0d9c28a3345076dd947e1de6bf2 Mon Sep 17 00:00:00 2001
From: Bill Nottingham <notting@redhat.com>
Date: Fri, 31 Jan 2003 21:28:49 +0000
Subject: 802.1Q VLAN support (<tis@foobar.fi>, #82593)

---
 sysconfig/network-scripts/ifdown | 10 +++++++
 sysconfig/network-scripts/ifup   | 59 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 69 insertions(+)

(limited to 'sysconfig')

diff --git a/sysconfig/network-scripts/ifdown b/sysconfig/network-scripts/ifdown
index 992fd5ae..29fb9674 100755
--- a/sysconfig/network-scripts/ifdown
+++ b/sysconfig/network-scripts/ifdown
@@ -122,4 +122,14 @@ if [ "$retcode" = 0 ] ; then
     # the interface went down.
 fi
 
+if [ -n "$VLAN" -a -x /sbin/vconfig ]; then
+    # 802.1q VLAN
+    if echo ${DEVICE} | LANG=C egrep -v '(:)' | LANG=C egrep -q 'eth[0-9][0-9]*\.[0-9][0-9]?[0-9]?[0-9]?' ; then
+	[ -f /proc/net/vlan/${DEVICE} ] && {
+	    /sbin/vconfig rem ${DEVICE}
+	    retcode=$?
+	}
+    fi
+fi
+
 exit $retcode
diff --git a/sysconfig/network-scripts/ifup b/sysconfig/network-scripts/ifup
index 4f870d16..b54abe43 100755
--- a/sysconfig/network-scripts/ifup
+++ b/sysconfig/network-scripts/ifup
@@ -62,6 +62,65 @@ else
     ISALIAS=no
 fi
 
+if [ -x /sbin/vconfig -a "${VLAN}" = "yes" ]; 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
+	[ -d /proc/net/vlan ] || modprobe 8021q >/dev/null 2>&1 || {
+	    echo $"No 802.1Q VLAN support available in kernel."
+	    echo $"Error initializing device ${DEVICE}"
+	    logger -p daemon.info -t ifup \
+		$"No 802.1Q VLAN support available in kernel for device ${DEVICE}"
+	    exit 1
+	}
+
+	VID="`echo ${DEVICE} | \
+	    LANG=C egrep 'eth[0-9]+\.[0-9][0-9]?[0-9]?[0-9]?$' | \
+	    LANG=C sed 's/^[a-z0-9]*\.//g;s/^0*//'`"
+	PHYSDEV="`echo ${DEVICE} | \
+	    LANG=C egrep 'eth[0-9]+\.[0-9][0-9]?[0-9]?[0-9]?$' | \
+	    LANG=C sed 's/\.[a-z0-9]*$//g'`"
+
+	is_available ${PHYSDEV} || {
+	    if [ "$?" = "1" ] ; then
+		echo $"$alias device ${DEVICE} does not seem to be present, delaying initialization."
+		exit 1
+	    else
+		exit 0
+	    fi
+	}
+
+	# Link on Physical device needs to be up but no ip required
+	ip addr add 0.0.0.0/32 dev ${PHYSDEV}
+	ip -o link set dev ${PHYSDEV} up
+
+	if [ ! -f /proc/net/vlan/${DEVICE} ]; then
+	    /sbin/vconfig add ${PHYSDEV} ${VID} || {
+		(logger -p daemon.info -t ifup \
+		    $"ERROR: could not add vlan ${VID} as ${DEVICE} on dev ${PHYSDEV}" &)&
+		echo $"ERROR: could not add vlan ${VID} as ${DEVICE} on dev ${PHYSDEV}"
+		exit 1
+	    }
+	fi
+
+	if [ -f /proc/net/vlan/${DEVICE} ]; then
+	    case "$REORDER_HDR" in
+		yes|1)
+		    /sbin/vconfig set_flag ${DEVICE} 1 1 || {
+			(logger -p daemon.info -t ifup \
+			    "WARNING: vconfig not able to enable REORDER_HDR on ${DEVICE}" &)&
+		    }
+		    ;;
+		no|0)
+		    /sbin/vconfig set_flag ${DEVICE} 1 0 || {
+			(logger -p daemon.info -t ifup \
+			    $"WARNING: vconfig not able to disable REORDER_HDR on ${DEVICE}" &)&
+		    }
+		    ;;
+	    esac
+	fi
+    fi
+fi
+
 # Old BOOTP variable
 if [ "${BOOTP}" = "yes" ]; then
     BOOTPROTO=bootp
-- 
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