netdev - [PATCH net-next] openvswitch: Only set TUNNEL_VXLAN

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Date:	Mon,  9 Feb 2015 16:56:37 +0100
From:	Thomas Graf <tgraf@...g.ch>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, pshelar@...ira.com
Subject: [PATCH net-next] openvswitch: Only set TUNNEL_VXLAN_OPT if VXLAN-GBP metadata is set

This avoids setting TUNNEL_VXLAN_OPT for VXLAN frames which don't
have any GBP metadata set. It is not invalid to set it but unnecessary.

Signed-off-by: Thomas Graf <tgraf@...g.ch>
---
 net/openvswitch/vport-vxlan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/openvswitch/vport-vxlan.c b/net/openvswitch/vport-vxlan.c
index ff07d40..3277a75 100644
--- a/net/openvswitch/vport-vxlan.c
+++ b/net/openvswitch/vport-vxlan.c
@@ -76,7 +76,7 @@ static void vxlan_rcv(struct vxlan_sock *vs, struct sk_buff *skb,
 
 	flags = TUNNEL_KEY | (udp_hdr(skb)->check != 0 ? TUNNEL_CSUM : 0);
 	vxlan_port = vxlan_vport(vport);
-	if (vxlan_port->exts & VXLAN_F_GBP)
+	if (vxlan_port->exts & VXLAN_F_GBP && md->gbp)
 		flags |= TUNNEL_VXLAN_OPT;
 
 	/* Save outer tunnel values */
-- 
1.9.3

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