From 5d6fda932d48c0c3c2ff1e089563401a4924bc30 Mon Sep 17 00:00:00 2001
From: Bob Lantz <rlantz@cs.stanford.edu>
Date: Sat, 31 Mar 2012 21:30:16 -0700
Subject: [PATCH] Add openvswitch-datapath-dkms if no datapath installed.

---
 util/install.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/util/install.sh b/util/install.sh
index 1393be4..b6d94ab 100755
--- a/util/install.sh
+++ b/util/install.sh
@@ -237,6 +237,12 @@ function ovs {
 
     # Otherwise try distribution's OVS packages
     if [ "$DIST" = "Ubuntu" ] && [ `echo "$RELEASE >= 11.10" | bc` = 1 ]; then
+        if ! dpkg --get-selections | grep openvswitch-datapath; then
+            # If you've already installed a datapath, assume you
+            # know what you're doing and don't need dkms datapath.
+            # Otherwise, install it.
+            $install openvswitch-datapath-dkms
+        fi
 	if $install openvswitch-switch openvswitch-controller; then
             return
         fi