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-rw-r--r--lib/librte_hash/rte_cuckoo_hash.c43
1 files changed, 11 insertions, 32 deletions
diff --git a/lib/librte_hash/rte_cuckoo_hash.c b/lib/librte_hash/rte_cuckoo_hash.c
index 55fd7bdc..9b1387b5 100644
--- a/lib/librte_hash/rte_cuckoo_hash.c
+++ b/lib/librte_hash/rte_cuckoo_hash.c
@@ -1,34 +1,5 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2016 Intel Corporation
*/
#include <string.h>
@@ -124,6 +95,7 @@ rte_hash_create(const struct rte_hash_parameters *params)
unsigned num_key_slots;
unsigned hw_trans_mem_support = 0;
unsigned i;
+ rte_hash_function default_hash_func = (rte_hash_function)rte_jhash;
hash_list = RTE_TAILQ_CAST(rte_hash_tailq.head, rte_hash_list);
@@ -267,6 +239,13 @@ rte_hash_create(const struct rte_hash_parameters *params)
RTE_CACHE_LINE_SIZE, params->socket_id);
}
+ /* Default hash function */
+#if defined(RTE_ARCH_X86)
+ default_hash_func = (rte_hash_function)rte_hash_crc;
+#elif defined(RTE_ARCH_ARM64)
+ if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_CRC32))
+ default_hash_func = (rte_hash_function)rte_hash_crc;
+#endif
/* Setup hash context */
snprintf(h->name, sizeof(h->name), "%s", params->name);
h->entries = params->entries;
@@ -278,7 +257,7 @@ rte_hash_create(const struct rte_hash_parameters *params)
h->bucket_bitmask = h->num_buckets - 1;
h->buckets = buckets;
h->hash_func = (params->hash_func == NULL) ?
- DEFAULT_HASH_FUNC : params->hash_func;
+ default_hash_func : params->hash_func;
h->key_store = k;
h->free_slots = r;
h->hw_trans_mem_support = hw_trans_mem_support;