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+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2017 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.
+ */
+
+#ifndef _RTE_MEMBER_HT_H_
+#define _RTE_MEMBER_HT_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Maximum number of pushes for cuckoo path in HT mode. */
+#define RTE_MEMBER_MAX_PUSHES 50
+
+typedef uint16_t member_sig_t; /* signature size is 16 bit */
+
+/* The bucket struct for ht setsum */
+struct member_ht_bucket {
+ member_sig_t sigs[RTE_MEMBER_BUCKET_ENTRIES]; /* 2-byte signature */
+ member_set_t sets[RTE_MEMBER_BUCKET_ENTRIES]; /* 2-byte set */
+} __rte_cache_aligned;
+
+int
+rte_member_create_ht(struct rte_member_setsum *ss,
+ const struct rte_member_parameters *params);
+
+int
+rte_member_lookup_ht(const struct rte_member_setsum *setsum,
+ const void *key, member_set_t *set_id);
+
+uint32_t
+rte_member_lookup_bulk_ht(const struct rte_member_setsum *setsum,
+ const void **keys, uint32_t num_keys,
+ member_set_t *set_ids);
+
+uint32_t
+rte_member_lookup_multi_ht(const struct rte_member_setsum *setsum,
+ const void *key, uint32_t match_per_key,
+ member_set_t *set_id);
+
+uint32_t
+rte_member_lookup_multi_bulk_ht(const struct rte_member_setsum *setsum,
+ const void **keys, uint32_t num_keys, uint32_t match_per_key,
+ uint32_t *match_count,
+ member_set_t *set_ids);
+
+int
+rte_member_add_ht(const struct rte_member_setsum *setsum,
+ const void *key, member_set_t set_id);
+
+void
+rte_member_free_ht(struct rte_member_setsum *setsum);
+
+int
+rte_member_delete_ht(const struct rte_member_setsum *ss, const void *key,
+ member_set_t set_id);
+
+void
+rte_member_reset_ht(const struct rte_member_setsum *setsum);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_MEMBER_HT_H_ */