2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
17 #define BIHASH_TYPE _24_8
18 #define BIHASH_KVP_PER_PAGE 4
20 #ifndef __included_bihash_24_8_h__
21 #define __included_bihash_24_8_h__
23 #include <vppinfra/heap.h>
24 #include <vppinfra/format.h>
25 #include <vppinfra/pool.h>
26 #include <vppinfra/xxhash.h>
32 } clib_bihash_kv_24_8_t;
35 clib_bihash_is_free_24_8 (const clib_bihash_kv_24_8_t * v)
37 /* Free values are memset to 0xff, check a bit... */
38 if (v->key[0] == ~0ULL && v->value == ~0ULL)
44 clib_bihash_hash_24_8 (const clib_bihash_kv_24_8_t * v)
48 value = _mm_crc32_u64 (value, v->key[0]);
49 value = _mm_crc32_u64 (value, v->key[1]);
50 value = _mm_crc32_u64 (value, v->key[2]);
53 u64 tmp = v->key[0] ^ v->key[1] ^ v->key[2];
54 return clib_xxhash (tmp);
59 format_bihash_kvp_24_8 (u8 * s, va_list * args)
61 clib_bihash_kv_24_8_t *v = va_arg (*args, clib_bihash_kv_24_8_t *);
63 s = format (s, "key %llu %llu %llu value %llu",
64 v->key[0], v->key[1], v->key[2], v->value);
69 clib_bihash_key_compare_24_8 (const u64 * a, const u64 * b)
71 return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2])) == 0;
74 #undef __included_bihash_template_h__
75 #include <vppinfra/bihash_template.h>
77 #endif /* __included_bihash_24_8_h__ */
80 * fd.io coding-style-patch-verification: ON
83 * eval: (c-set-style "gnu")