1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 66d85a80a1ec..1a7adb411647 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -342,6 +342,10 @@ struct tcp_timewait_sock {
         u32                       tw_rcv_wnd;
         u32                       tw_ts_offset;
         u32                       tw_ts_recent;
+
+        /* The time we sent the last out-of-window ACK: */
+        u32                       tw_last_oow_ack_time;
+
         long                      tw_ts_recent_stamp;
 #ifdef CONFIG_TCP_MD5SIG
         struct tcp_md5sig_key     *tw_md5_key;