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+/*
+ * Copyright (c) 2017 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.
+ */
+#undef BIHASH_TYPE
+#undef BIHASH_KVP_CACHE_SIZE
+#undef BIHASH_KVP_PER_PAGE
+
+#define BIHASH_TYPE _vec8_8
+#define BIHASH_KVP_PER_PAGE 4
+#define BIHASH_KVP_CACHE_SIZE 0
+
+#ifndef __included_bihash_vec8_8_h__
+#define __included_bihash_vec8_8_h__
+
+#include <vppinfra/heap.h>
+#include <vppinfra/format.h>
+#include <vppinfra/pool.h>
+#include <vppinfra/xxhash.h>
+#include <vppinfra/crc32.h>
+
+/** 8 octet key, 8 octet key value pair */
+typedef struct
+{
+ u64 key; /**< the key */
+ u64 value; /**< the value */
+} clib_bihash_kv_vec8_8_t;
+
+/** Decide if a clib_bihash_kv_vec8_8_t instance is free
+ @param v- pointer to the (key,value) pair
+*/
+static inline int
+clib_bihash_is_free_vec8_8 (clib_bihash_kv_vec8_8_t * v)
+{
+ if (v->key == ~0ULL && v->value == ~0ULL)
+ return 1;
+ return 0;
+}
+
+/** Hash a clib_bihash_kv_vec8_8_t instance
+ @param v - pointer to the (key,value) pair, hash the key (only)
+*/
+static inline u64
+clib_bihash_hash_vec8_8 (clib_bihash_kv_vec8_8_t * v)
+{
+ u8 *keyp = (u8 *) (v->key);
+ /* Note: to torture-test linear scan, make this fn return a constant */
+#ifdef clib_crc32c_uses_intrinsics
+ return clib_crc32c (keyp, vec_len (keyp));
+#else
+ {
+ int i, j;
+ u64 sum = 0;
+
+ for (i = 0, j = 0; i < vec_len (keyp); i++)
+ {
+ sum ^= keyp[i] << (j * 8);
+ j++;
+ if (j == 4)
+ j = 0;
+ }
+
+ return clib_xxhash (sum);
+ }
+#endif
+}
+
+/** Format a clib_bihash_kv_vec8_8_t instance
+ @param s - u8 * vector under construction
+ @param args (vararg) - the (key,value) pair to format
+ @return s - the u8 * vector under construction
+*/
+static inline u8 *
+format_bihash_kvp_vec8_8 (u8 * s, va_list * args)
+{
+ clib_bihash_kv_vec8_8_t *v = va_arg (*args, clib_bihash_kv_vec8_8_t *);
+
+ s = format (s, "key %U value %llu",
+ format_hex_bytes, v->key, vec_len ((u8 *) (v->key)), v->value);
+ return s;
+}
+
+/** Compare two clib_bihash_kv_vec8_8_t instances
+ @param a - first key
+ @param b - second key
+*/
+static inline int
+clib_bihash_key_compare_vec8_8 (u64 a_arg, u64 b_arg)
+{
+ u8 *a = (u8 *) a_arg;
+ u8 *b = (u8 *) b_arg;
+
+ if (a_arg == ~0ULL || b_arg == ~0ULL)
+ return 0;
+
+ if (vec_len (a) != vec_len (b))
+ return 0;
+
+ return memcmp (a, b, vec_len (a)) == 0;
+}
+
+#undef __included_bihash_template_h__
+#include <vppinfra/bihash_template.h>
+
+#endif /* __included_bihash_vec8_8_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */