diff --git a/include/nuttx/net/netconfig.h b/include/nuttx/net/netconfig.h
index 0486a73fae0..1aade785a90 100644
--- a/include/nuttx/net/netconfig.h
+++ b/include/nuttx/net/netconfig.h
@@ -499,7 +499,11 @@
  * This should not be changed.
  */
 
-#define TCP_MAXRTX  8
+#ifdef CONFIG_NET_TCP_MAXRTX
+#  define TCP_MAXRTX CONFIG_NET_TCP_MAXRTX
+#else
+#  define TCP_MAXRTX 8
+#endif
 
 /* The maximum number of times a SYN segment should be retransmitted
  * before a connection request should be deemed to have been
@@ -508,7 +512,11 @@
  * This should not need to be changed.
  */
 
-#define TCP_MAXSYNRTX 5
+#ifdef CONFIG_NET_TCP_MAXSYNRTX
+#  define TCP_MAXSYNRTX CONFIG_NET_TCP_MAXSYNRTX
+#else
+#  define TCP_MAXSYNRTX 5
+#endif
 
 /* The TCP maximum segment size. This should not be set to more than
  * NETDEV_PKTSIZE(dev) - NET_LL_HDRLEN(dev) - IPvN_HDRLEN - __TCP_HDRLEN.
diff --git a/net/tcp/Kconfig b/net/tcp/Kconfig
index fd403953251..6c0d6403cae 100644
--- a/net/tcp/Kconfig
+++ b/net/tcp/Kconfig
@@ -67,6 +67,14 @@ config NET_TCP_RTO
 	---help---
 		RTO of TCP/IP connections (all tasks)
 
+config NET_TCP_MAXRTX
+	int "Maximum retransmitted number of TCP/IP data packet"
+	default 8
+
+config NET_TCP_MAXSYNRTX
+	int "Maximum retransmitted number of TCP/IP SYN packet"
+	default 5
+
 config NET_TCP_WAIT_TIMEOUT
 	int "TIME_WAIT Length of TCP/IP connections"
 	default 120