diff --git a/src/const.def b/src/const.def
index a812b94c7..1508a143e 100644
--- a/src/const.def
+++ b/src/const.def
@@ -135,17 +135,20 @@ SOCK_STREAM
 
 SOL_SOCKET
 
+TCP_CONGCTL
 TCP_CONGESTION
 TCP_CORK
 TCP_DEFER_ACCEPT
 TCP_INFO
 TCP_KEEPCNT
 TCP_KEEPIDLE
+TCP_KEEPINIT
 TCP_KEEPINTVL
 TCP_LINGER2
 TCP_MAXSEG
 TCP_MD5SIG
 TCP_NODELAY
 TCP_QUICKACK
+TCP_SACK_ENABLE
 TCP_SYNCNT
 TCP_WINDOW_CLAMP