/* * 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 #undef BIHASH_KVP_PER_PAGE #undef BIHASH_32_64_SVM #undef BIHASH_ENABLE_STATS #undef BIHASH_KVP_AT_BUCKET_LEVEL #undef BIHASH_LAZY_INSTANTIATE #undef BIHASH_BUCKET_PREFETCH_CACHE_LINES #undef BIHASH_USE_HEAP #define BIHASH_TYPE _24_16 #define BIHASH_KVP_PER_PAGE 4 #define BIHASH_KVP_AT_BUCKET_LEVEL 0 #define BIHASH_LAZY_INSTANTIATE 1 #define BIHASH_BUCKET_PREFETCH_CACHE_LINES 1 #define BIHASH_USE_HEAP 1 #ifndef __included_bihash_24_16_h__ #define __included_bihash_24_16_h__ #include <vppinfra/crc32.h> #include <vppinfra/heap.h> #include <vppinfra/format.h> #include <vppinfra/pool.h> #include <vppinfra/xxhash.h> typedef struct { u64 key[3]; u64 value[2]; } clib_bihash_kv_24_16_t; static inline void clib_bihash_mark_free_24_16 (clib_bihash_kv_24_16_t *v) { v->value[0] = 0xFEEDFACE8BADF00DULL; } static inline int clib_bihash_is_free_24_16 (const clib_bihash_kv_24_16_t * v) { if (v->value[0] == 0xFEEDFACE8BADF00DULL) return 1; return 0; } static inline u64 clib_bihash_hash_24_16 (const clib_bihash_kv_24_16_t * v) { #ifdef clib_crc32c_uses_intrinsics return clib_crc32c ((u8 *) v->key, 24); #else u64 tmp = v->key[0] ^ v->key[1] ^ v->key[2]; return clib_xxhash (tmp); #endif } static inline u8 * format_bihash_kvp_24_16 (u8 * s, va_list * args) { clib_bihash_kv_24_16_t *v = va_arg (*args, clib_bihash_kv_24_16_t *); s = format (s, "key %llu %llu %llu value %llu %llu", v->key[0], v->key[1], v->key[2], v->value[0], v->value[1]); return s; } static inline int clib_bihash_key_compare_24_16 (u64 * a, u64 * b) { #if defined (CLIB_HAVE_VEC512) return u64x8_is_equal (u64x8_mask_load_zero (a, 0x7), u64x8_mask_load_zero (b, 0x7)); #elif defined(CLIB_HAVE_VEC128) && defined(CLIB_HAVE_VEC128_UNALIGNED_LOAD_STORE) u64x2 v = { a[2] ^ b[2], 0 }; v |= u64x2_load_unaligned (a) ^ u64x2_load_unaligned (b); return u64x2_is_all_zero (v); #else return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2])) == 0; #endif } #undef __included_bihash_template_h__ #include <vppinfra/bihash_template.h> #endif /* __included_bihash_24_16_h__ */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */