2 * Copyright (c) 2016 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 #undef BIHASH_KVP_PER_PAGE
18 #undef BIHASH_32_64_SVM
19 #undef BIHASH_ENABLE_STATS
20 #undef BIHASH_KVP_AT_BUCKET_LEVEL
21 #undef BIHASH_LAZY_INSTANTIATE
22 #undef BIHASH_BUCKET_PREFETCH_CACHE_LINES
23 #undef BIHASH_USE_HEAP
25 #define BIHASH_TYPE _40_56
26 #define BIHASH_KVP_PER_PAGE 2
27 #define BIHASH_KVP_AT_BUCKET_LEVEL 1
28 #define BIHASH_LAZY_INSTANTIATE 1
29 #define BIHASH_BUCKET_PREFETCH_CACHE_LINES 2
30 #define BIHASH_USE_HEAP 1
32 #ifndef __included_bihash_40_56_h__
33 #define __included_bihash_40_56_h__
35 #include <vppinfra/crc32.h>
36 #include <vppinfra/heap.h>
37 #include <vppinfra/format.h>
38 #include <vppinfra/pool.h>
39 #include <vppinfra/xxhash.h>
45 } clib_bihash_kv_40_56_t;
48 clib_bihash_mark_free_40_56 (clib_bihash_kv_40_56_t *v)
50 v->value[0] = 0xFEEDFACE8BADF00DULL;
54 clib_bihash_is_free_40_56 (const clib_bihash_kv_40_56_t *v)
56 if (v->value[0] == 0xFEEDFACE8BADF00DULL)
62 clib_bihash_hash_40_56 (const clib_bihash_kv_40_56_t *v)
64 #ifdef clib_crc32c_uses_intrinsics
65 return clib_crc32c ((u8 *) v->key, 40);
67 u64 tmp = v->key[0] ^ v->key[1] ^ v->key[2] ^ v->key[3] ^ v->key[4];
68 return clib_xxhash (tmp);
73 format_bihash_kvp_40_56 (u8 *s, va_list *args)
75 clib_bihash_kv_40_56_t *v = va_arg (*args, clib_bihash_kv_40_56_t *);
78 "key %llu %llu %llu %llu %llu"
79 "value %llu %llu %llu %llu %llu %llu %llu",
80 v->key[0], v->key[1], v->key[2], v->key[3], v->key[4],
81 v->value[0], v->value[1], v->value[2], v->value[3], v->value[4],
82 v->value[5], v->value[6]);
87 clib_bihash_key_compare_40_56 (u64 *a, u64 *b)
89 #if defined (CLIB_HAVE_VEC512)
91 v = u64x8_load_unaligned (a) ^ u64x8_load_unaligned (b);
92 return (u64x8_is_zero_mask (v) & 0x1f) == 0;
93 #elif defined (CLIB_HAVE_VEC256)
94 u64x4 v = { a[4] ^ b[4], 0, 0, 0 };
95 v |= u64x4_load_unaligned (a) ^ u64x4_load_unaligned (b);
96 return u64x4_is_all_zero (v);
97 #elif defined(CLIB_HAVE_VEC128) && defined(CLIB_HAVE_VEC128_UNALIGNED_LOAD_STORE)
98 u64x2 v = { a[4] ^ b[4], 0 };
99 v |= u64x2_load_unaligned (a) ^ u64x2_load_unaligned (b);
100 v |= u64x2_load_unaligned (a + 2) ^ u64x2_load_unaligned (b + 2);
101 return u64x2_is_all_zero (v);
103 return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2]) | (a[3] ^ b[3])
104 | (a[4] ^ b[4])) == 0;
108 #undef __included_bihash_template_h__
109 #include <vppinfra/bihash_template.h>
111 typedef clib_bihash_kv_40_56_t cnat_bihash_kv_t;
112 typedef clib_bihash_40_56_t cnat_bihash_t;
114 #define cnat_bihash_search_i2_hash clib_bihash_search_inline_2_with_hash_40_56
115 #define cnat_bihash_search_i2 clib_bihash_search_inline_2_40_56
116 #define cnat_bihash_add_del clib_bihash_add_del_40_56
117 #define cnat_bihash_hash clib_bihash_hash_40_56
118 #define cnat_bihash_prefetch_bucket clib_bihash_prefetch_bucket_40_56
119 #define cnat_bihash_prefetch_data clib_bihash_prefetch_data_40_56
121 #endif /* __included_bihash_40_56_h__ */
124 * fd.io coding-style-patch-verification: ON
127 * eval: (c-set-style "gnu")