diff --git a/sys/net/if_stf.h b/sys/net/if_stf.h --- a/sys/net/if_stf.h +++ b/sys/net/if_stf.h @@ -30,6 +30,8 @@ #ifndef _NET_IF_STF_H_ #define _NET_IF_STF_H_ +#include + struct stfv4args { struct in_addr srcv4_addr; /* Our IPv4 src/WAN address */ struct in_addr braddr; /* The border relay IPv4 address */