diff --git a/lwip/src/include/lwipopts.h b/lwip/src/include/lwipopts.h
index 9e9b36e8..d2da1154 100644
--- a/lwip/src/include/lwipopts.h
+++ b/lwip/src/include/lwipopts.h
@@ -65,6 +65,18 @@
  */
 #define LWIP_TCP		1
 
+/**
+ * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT
+ * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set
+ * in seconds. (does not require sockets.c, and will affect tcp.c)
+ */
+#define LWIP_TCP_KEEPALIVE	1
+
+/**
+ * LWIP_STATS_DISPLAY==1: Compile in the statistics output functions.
+ */
+#define LWIP_STATS_DISPLAY	1
+
 /**
  * TCP_MSS: TCP Maximum segment size. (default is 536, a conservative default,
  * you might want to increase this.)