text: /*
   * Copyright (c) 2015 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
  
  #define BIHASH_TYPE _24_8
  #define BIHASH_KVP_PER_PAGE 4
  
  #ifndef __included_bihash_24_8_h__
  #define __included_bihash_24_8_h__
  
  #include <vppinfra/heap.h>
  #include <vppinfra/format.h>
  #include <vppinfra/pool.h>
  #include <vppinfra/xxhash.h>
  
  typedef struct
  {
    u64 key[3];
    u64 value;
  } clib_bihash_kv_24_8_t;
  
  static inline int
  clib_bihash_is_free_24_8 (const clib_bihash_kv_24_8_t * v)
  {
    /* Free values are memset to 0xff, check a bit... */
    if (v->key[0] == ~0ULL && v->value == ~0ULL)
      return 1;
    return 0;
  }
  
  static inline u64
  clib_bihash_hash_24_8 (const clib_bihash_kv_24_8_t * v)
  {
  #if __SSE4_2__
    u32 value = 0;
    value = _mm_crc32_u64 (value, v->key[0]);
    value = _mm_crc32_u64 (value, v->key[1]);
    value = _mm_crc32_u64 (value, v->key[2]);
    return value;
  #else
    u64 tmp = v->key[0] ^ v->key[1] ^ v->key[2];
    return clib_xxhash (tmp);
  #endif
  }
  
  static inline u8 *
  format_bihash_kvp_24_8 (u8 * s, va_list * args)
  {
    clib_bihash_kv_24_8_t *v = va_arg (*args, clib_bihash_kv_24_8_t *);
  
    s = format (s, "key %llu %llu %llu value %llu",
  	      v->key[0], v->key[1], v->key[2], v->value);
    return s;
  }
  
  static inline int
  clib_bihash_key_compare_24_8 (const u64 * a, const u64 * b)
  {
    return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2])) == 0;
  }
  
  #undef __included_bihash_template_h__
  #include <vppinfra/bihash_template.h>
  
  #endif /* __included_bihash_24_8_h__ */
  
  /*
   * fd.io coding-style-patch-verification: ON
   *
   * Local Variables:
   * eval: (c-set-style "gnu")
   * End:
   */
  