diff -Naur a/core/rtw_br_ext.c b/core/rtw_br_ext.c
--- a/core/rtw_br_ext.c	2015-11-09 10:47:51.000000000 -0800
+++ b/core/rtw_br_ext.c	2016-04-08 00:58:47.861273878 -0700
@@ -49,6 +49,7 @@
 #include <linux/icmpv6.h>
 #include <net/ndisc.h>
 #include <net/checksum.h>
+#include <net/ip6_checksum.h>
 #endif
 #endif
 
