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.
16 #undef BIHASH_KVP_PER_PAGE
17 #undef BIHASH_32_64_SVM
18 #undef BIHASH_ENABLE_STATS
20 #define BIHASH_TYPE _8_8_stats
21 #define BIHASH_KVP_PER_PAGE 4
22 #define BIHASH_ENABLE_STATS 1
24 #ifndef __included_bihash_8_8_stats_h__
25 #define __included_bihash_8_8__stats_h__
27 #include <vppinfra/heap.h>
28 #include <vppinfra/format.h>
29 #include <vppinfra/pool.h>
30 #include <vppinfra/xxhash.h>
31 #include <vppinfra/crc32.h>
33 /** 8 octet key, 8 octet key value pair */
36 u64 key; /**< the key */
37 u64 value; /**< the value */
38 } clib_bihash_kv_8_8_stats_t;
40 /** Decide if a clib_bihash_kv_8_8_t instance is free
41 @param v- pointer to the (key,value) pair
44 clib_bihash_is_free_8_8_stats (clib_bihash_kv_8_8_stats_t * v)
46 if (v->key == ~0ULL && v->value == ~0ULL)
51 /** Hash a clib_bihash_kv_8_8_t instance
52 @param v - pointer to the (key,value) pair, hash the key (only)
55 clib_bihash_hash_8_8_stats (clib_bihash_kv_8_8_stats_t * v)
57 /* Note: to torture-test linear scan, make this fn return a constant */
58 #ifdef clib_crc32c_uses_intrinsics
59 return clib_crc32c ((u8 *) & v->key, 8);
61 return clib_xxhash (v->key);
65 /** Format a clib_bihash_kv_8_8_t instance
66 @param s - u8 * vector under construction
67 @param args (vararg) - the (key,value) pair to format
68 @return s - the u8 * vector under construction
71 format_bihash_kvp_8_8_stats (u8 * s, va_list * args)
73 clib_bihash_kv_8_8_stats_t *v =
74 va_arg (*args, clib_bihash_kv_8_8_stats_t *);
76 s = format (s, "key %llu value %llu", v->key, v->value);
80 /** Compare two clib_bihash_kv_8_8_t instances
85 clib_bihash_key_compare_8_8_stats (u64 a, u64 b)
90 #undef __included_bihash_template_h__
91 #include <vppinfra/bihash_template.h>
93 #endif /* __included_bihash_8_8_stats_h__ */
96 * fd.io coding-style-patch-verification: ON
99 * eval: (c-set-style "gnu")