1 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 5fb72da7da03..e74c294929a0 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -175,6 +175,9 @@ enum {
 
         /* This indicates the skb is from an untrusted source. */
         SKB_GSO_DODGY = 1 << 2,
+
+        /* This indicates the tcp segment has CWR set. */
+        SKB_GSO_TCPV4_ECN = 1 << 3,
 };
 
 /**