From 4bfff3c8b608bf174e2accd39f7c56d8f827bf2b Mon Sep 17 00:00:00 2001
From: Jesse Gross <jesse@nicira.com>
Date: Tue, 20 Sep 2011 19:12:32 -0700
Subject: [PATCH] datapath: Add version check for struct netdev_ops.

Linux 3.1 drops the symbol HAVE_NET_DEVICE_OPS that lets us know
whether struct netdev_ops is present.  As a result, we need to
replace it with an explicit version check.

Signed-off-by: Jesse Gross <jesse@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>
---
 datapath/vport-internal_dev.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/datapath/vport-internal_dev.c b/datapath/vport-internal_dev.c
index b503b877..2d463432 100644
--- a/datapath/vport-internal_dev.c
+++ b/datapath/vport-internal_dev.c
@@ -22,6 +22,10 @@
 #include "vport-internal_dev.h"
 #include "vport-netdev.h"
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)
+#define HAVE_NET_DEVICE_OPS
+#endif
+
 struct internal_dev {
 	struct vport *vport;
 	struct net_device_stats stats;
-- 
2.30.2