From 495fe2648edbaa703f1c983aa58b8128e7386154 Mon Sep 17 00:00:00 2001
From: Jesse Gross <jesse@nicira.com>
Date: Wed, 19 Sep 2012 09:36:19 -0700
Subject: [PATCH] packets: Add ECN constants.

Upcoming tunnel code will be able to handle ECN encapsulation/
decapsulation in userspace.  This adds the necessary constants for ECN
manipulation.

Signed-off-by: Jesse Gross <jesse@nicira.com>
Acked-by: Kyle Mestery <kmestery@cisco.com>
---
 lib/packets.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/packets.h b/lib/packets.h
index e5be1cb99..24b51daff 100644
--- a/lib/packets.h
+++ b/lib/packets.h
@@ -325,6 +325,10 @@ void ip_format_masked(ovs_be32 ip, ovs_be32 mask, struct ds *);
 #endif
 
 /* TOS fields. */
+#define IP_ECN_NOT_ECT 0x0
+#define IP_ECN_ECT_1 0x01
+#define IP_ECN_ECT_0 0x02
+#define IP_ECN_CE 0x03
 #define IP_ECN_MASK 0x03
 #define IP_DSCP_MASK 0xfc
 
-- 
2.20.1