From 83e17a08bb5257c037234f5a45e8a174f87be5b8 Mon Sep 17 00:00:00 2001
From: Potnuri Bharat Teja <bharat@chelsio.com>
Date: Wed, 8 Feb 2017 15:55:53 +0530
Subject: [PATCH] compat/cxgb4: Support for SLES 12 SP1 in rdma.m4

Check if skb_vlan_tagged() is defined.

Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com>
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
---
 config/rdma.m4 | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/config/rdma.m4 b/config/rdma.m4
index 2c70b77..d8d0d32 100644
--- a/config/rdma.m4
+++ b/config/rdma.m4
@@ -3737,6 +3737,21 @@ AC_DEFUN([LINUX_CONFIG_COMPAT],
 		AC_MSG_RESULT(no)
 	])
 
+	AC_MSG_CHECKING([if if_vlan.h has skb_vlan_tagged])
+	LB_LINUX_TRY_COMPILE([
+		#include <linux/if_vlan.h>
+	],[
+		skb_vlan_tagged(NULL);
+
+		return 0;
+	],[
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(HAVE_SKB_VLAN_TAGGED, 1,
+			  [skb_vlan_tagged defined])
+	],[
+		AC_MSG_RESULT(no)
+	])
+
 	AC_MSG_CHECKING([if netdevice.h has netdev_notifier_changeupper_info])
 	LB_LINUX_TRY_COMPILE([
 		#include <linux/netdevice.h>
-- 
2.41.0