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authorLuca Boccassi <luca.boccassi@gmail.com>2018-08-14 18:52:30 +0100
committerLuca Boccassi <luca.boccassi@gmail.com>2018-08-14 18:53:17 +0100
commitb63264c8342e6a1b6971c79550d2af2024b6a4de (patch)
tree83114aac64286fe616506c0b3dfaec2ab86ef835 /lib/librte_table/rte_table_hash_cuckoo.h
parentca33590b6af032bff57d9cc70455660466a654b2 (diff)
New upstream version 18.08upstream/18.08
Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'lib/librte_table/rte_table_hash_cuckoo.h')
-rw-r--r--lib/librte_table/rte_table_hash_cuckoo.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/lib/librte_table/rte_table_hash_cuckoo.h b/lib/librte_table/rte_table_hash_cuckoo.h
new file mode 100644
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--- /dev/null
+++ b/lib/librte_table/rte_table_hash_cuckoo.h
@@ -0,0 +1,57 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Intel Corporation
+ */
+
+#ifndef __INCLUDE_RTE_TABLE_HASH_CUCKOO_H__
+#define __INCLUDE_RTE_TABLE_HASH_CUCKOO_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @file
+ * RTE Table Hash Cuckoo
+ *
+ ***/
+#include <stdint.h>
+
+#include <rte_hash.h>
+
+#include "rte_table.h"
+
+/** Hash table parameters */
+struct rte_table_hash_cuckoo_params {
+ /** Name */
+ const char *name;
+
+ /** Key size (number of bytes) */
+ uint32_t key_size;
+
+ /** Byte offset within packet meta-data where the key is located */
+ uint32_t key_offset;
+
+ /** Key mask */
+ uint8_t *key_mask;
+
+ /** Number of keys */
+ uint32_t n_keys;
+
+ /** Number of buckets */
+ uint32_t n_buckets;
+
+ /** Hash function */
+ rte_hash_function f_hash;
+
+ /** Seed value for the hash function */
+ uint32_t seed;
+};
+
+/** Cuckoo hash table operations */
+extern struct rte_table_ops rte_table_hash_cuckoo_ops;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif