diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index aa3be68..88145e3 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -95,6 +95,7 @@
 {
 	/* Note: bydst is re-used during gc */
 	struct list_head	bydst;
+	struct list_head	bysrc;
 	struct list_head	byspi;
 
 	atomic_t		refcnt;
@@ -236,6 +237,7 @@
 struct xfrm_state_afinfo {
 	unsigned short		family;
 	struct list_head	*state_bydst;
+	struct list_head	*state_bysrc;
 	struct list_head	*state_byspi;
 	int			(*init_flags)(struct xfrm_state *x);
 	void			(*init_tempsel)(struct xfrm_state *x, struct flowi *fl,
@@ -421,6 +423,30 @@
 }
 
 static __inline__
+unsigned __xfrm4_src_hash(xfrm_address_t *addr)
+{
+	return __xfrm4_dst_hash(addr);
+}
+
+static __inline__
+unsigned __xfrm6_src_hash(xfrm_address_t *addr)
+{
+	return __xfrm6_dst_hash(addr);
+}
+
+static __inline__
+unsigned xfrm_src_hash(xfrm_address_t *addr, unsigned short family)
+{
+	switch (family) {
+	case AF_INET:
+		return __xfrm4_src_hash(addr);
+	case AF_INET6:
+		return __xfrm6_src_hash(addr);
+	}
+	return 0;
+}
+
+static __inline__
 unsigned __xfrm4_spi_hash(xfrm_address_t *addr, u32 spi, u8 proto)
 {
 	unsigned h;