From e190b166e23a2fe438c93caf84e968cc62001df8 Mon Sep 17 00:00:00 2001
From: aozima <wuyangyong@gmail.com>
Date: Wed, 23 May 2018 10:51:01 +0800
Subject: [PATCH] [lwip] fixed compile error.

---
 components/net/lwip-2.0.2/src/netif/ethernetif.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/net/lwip-2.0.2/src/netif/ethernetif.c b/components/net/lwip-2.0.2/src/netif/ethernetif.c
index 21f71e4287..8ab1727bd3 100644
--- a/components/net/lwip-2.0.2/src/netif/ethernetif.c
+++ b/components/net/lwip-2.0.2/src/netif/ethernetif.c
@@ -676,6 +676,7 @@ FINSH_FUNCTION_EXPORT(list_tcps, list all of tcp connections);
 #endif /* LWIP_TCP */
 
 #if LWIP_UDP
+#include "lwip/udp.h"
 void list_udps(void)
 {
     struct udp_pcb *pcb;