1 files changed, 3 insertions, 0 deletions

diff --git a/include/net/mip6.h b/include/net/mip6.h
index 644b8b673048..42b65bace122 100644
--- a/include/net/mip6.h
+++ b/include/net/mip6.h
@@ -25,6 +25,9 @@
 #ifndef _NET_MIP6_H
 #define _NET_MIP6_H
 
+#define MIP6_OPT_PAD_1  0
+#define MIP6_OPT_PAD_N  1
+
 extern int mip6_init(void);
 extern void mip6_fini(void);