1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index c6b9f92e8289..c072f88afb97 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -333,6 +333,8 @@ struct tcp_sock {
 
         struct tcp_sack_block_wire recv_sack_cache[4];
 
+        u32     highest_sack;   /* Start seq of globally highest revd SACK (valid only in slowpath) */
+
         /* from STCP, retrans queue hinting */
         struct sk_buff* lost_skb_hint;