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+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef VNET_LISP_GPE_GID_DICTIONARY_H_
+#define VNET_LISP_GPE_GID_DICTIONARY_H_
+
+#include <vnet/vnet.h>
+#include <vnet/lisp-cp/lisp_types.h>
+#include <vppinfra/bihash_24_8.h>
+#include <vppinfra/bihash_template.h>
+
+#define GID_LOOKUP_MISS ((u32)~0)
+
+/* Default size of the ip4 hash table */
+#define IP4_LOOKUP_DEFAULT_HASH_NUM_BUCKETS (64 * 1024)
+#define IP4_LOOKUP_DEFAULT_HASH_MEMORY_SIZE (32<<20)
+
+/* Default size of the ip6 hash table */
+#define IP6_LOOKUP_DEFAULT_HASH_NUM_BUCKETS (64 * 1024)
+#define IP6_LOOKUP_DEFAULT_HASH_MEMORY_SIZE (32<<20)
+
+/* Default size of the MAC hash table */
+#define MAC_LOOKUP_DEFAULT_HASH_NUM_BUCKETS (64 * 1024)
+#define MAC_LOOKUP_DEFAULT_HASH_MEMORY_SIZE (32<<20)
+
+typedef void (*foreach_subprefix_match_cb_t) (u32, void *);
+
+typedef struct
+{
+ BVT (clib_bihash) ip4_lookup_table;
+
+ /* bitmap/vector of mask widths to search */
+ uword *ip4_non_empty_dst_address_length_bitmap;
+ u8 *ip4_prefix_lengths_in_search_order;
+ ip4_address_t ip4_fib_masks[33];
+ u32 ip4_prefix_len_refcount[33];
+
+ /* ip4 lookup table config parameters */
+ u32 ip4_lookup_table_nbuckets;
+ uword ip4_lookup_table_size;
+} gid_ip4_table_t;
+
+typedef struct
+{
+ BVT (clib_bihash) ip6_lookup_table;
+
+ /* bitmap/vector of mask widths to search */
+ uword *ip6_non_empty_dst_address_length_bitmap;
+ u8 *ip6_prefix_lengths_in_search_order;
+ ip6_address_t ip6_fib_masks[129];
+ u64 ip6_prefix_len_refcount[129];
+
+ /* ip6 lookup table config parameters */
+ u32 ip6_lookup_table_nbuckets;
+ uword ip6_lookup_table_size;
+} gid_ip6_table_t;
+
+typedef struct gid_mac_table
+{
+ BVT (clib_bihash) mac_lookup_table;
+
+ /* mac lookup table config parameters */
+ u32 mac_lookup_table_nbuckets;
+ uword mac_lookup_table_size;
+} gid_mac_table_t;
+
+typedef struct
+{
+ /** destination IP LPM ip4 lookup table */
+ gid_ip4_table_t dst_ip4_table;
+
+ /** pool of source IP LPM ip4 lookup tables */
+ gid_ip4_table_t *src_ip4_table_pool;
+
+ /** destination IP LPM ip6 lookup table */
+ gid_ip6_table_t dst_ip6_table;
+
+ /** pool of source IP LPM ip6 lookup tables */
+ gid_ip6_table_t *src_ip6_table_pool;
+
+ /** flat source/dest mac lookup table */
+ gid_mac_table_t sd_mac_table;
+
+} gid_dictionary_t;
+
+u32
+gid_dictionary_add_del (gid_dictionary_t * db, gid_address_t * key, u32 value,
+ u8 is_add);
+
+u32 gid_dictionary_lookup (gid_dictionary_t * db, gid_address_t * key);
+u32 gid_dictionary_sd_lookup (gid_dictionary_t * db, gid_address_t * dst,
+ gid_address_t * src);
+
+void gid_dictionary_init (gid_dictionary_t * db);
+
+void
+gid_dict_foreach_subprefix (gid_dictionary_t * db, gid_address_t * eid,
+ foreach_subprefix_match_cb_t cb, void *arg);
+
+#endif /* VNET_LISP_GPE_GID_DICTIONARY_H_ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */