#ifndef _IPV6_H
#define _IPV6_H
-#include <linux/config.h>
#include <linux/in6.h>
#include <asm/byteorder.h>
struct in6_addr rcv_saddr;
struct in6_addr daddr;
struct in6_addr *daddr_cache;
+#ifdef CONFIG_IPV6_SUBTREES
+ struct in6_addr *saddr_cache;
+#endif
__u32 flow_label;
__u32 frag_size;