1 files changed, 1 insertions, 0 deletions

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index e5164ff55f27..a7679f8913d2 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -464,6 +464,7 @@ struct l2cap_chan {
 
         __u16           tx_win;
         __u16           tx_win_max;
+        __u16           ack_win;
         __u8            max_tx;
         __u16           retrans_timeout;
         __u16           monitor_timeout;