+#include <vppinfra/bihash_24_8.h>
+#include <vppinfra/bihash_template.h>
+
+/*
+ * Default size of the ip6 fib hash table
+ */
+#define IP6_FIB_DEFAULT_HASH_NUM_BUCKETS (64 * 1024)
+#define IP6_FIB_DEFAULT_HASH_MEMORY_SIZE (32<<20)
+
+/**
+ * Enumeration of the FIB table instance types
+ */
+typedef enum ip6_fib_table_instance_type_t_
+{
+ /**
+ * This table stores the routes that are used to forward traffic.
+ * The key is the prefix, the result the adjacency to forward on.
+ */
+ IP6_FIB_TABLE_FWDING,
+ /**
+ * The table that stores ALL routes learned by the DP.
+ * Some of these routes may not be ready to install in forwarding
+ * at a given time.
+ * The key in this table is the prefix, the result is the fib_entry_t
+ */
+ IP6_FIB_TABLE_NON_FWDING,
+} ip6_fib_table_instance_type_t;
+
+#define IP6_FIB_NUM_TABLES (IP6_FIB_TABLE_NON_FWDING+1)
+
+/**
+ * A representation of a single IP6 table
+ */
+typedef struct ip6_fib_table_instance_t_
+{
+ /* The hash table */
+ clib_bihash_24_8_t ip6_hash;
+
+ /* bitmap / refcounts / vector of mask widths to search */
+ uword *non_empty_dst_address_length_bitmap;
+ u8 *prefix_lengths_in_search_order;
+ i32 dst_address_length_refcounts[129];
+} ip6_fib_table_instance_t;
+
+/**
+ * The two FIB tables; fwding and non-fwding
+ */
+extern ip6_fib_table_instance_t ip6_fib_table[IP6_FIB_NUM_TABLES];