Front Haul Interface Library first seed code contribution

[o-du/phy.git] / fhi_lib / lib / src / xran_hash.h

diff --git a/fhi_lib/lib/src/xran_hash.h b/fhi_lib/lib/src/xran_hash.h
new file mode 100644 (file)
index 0000000..b06c694
--- /dev/null
+++ b/fhi_lib/lib/src/xran_hash.h
@@ -0,0 +1,45 @@
+/******************************************************************************
+*
+*   Copyright (c) 2019 Intel.
+*
+*   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.
+*
+*******************************************************************************/
+
+
+/**
+ * @brief Definitions and support functions to process XRAN packet
+ * @file xran_hash.h
+ * @ingroup group_source_xran
+ * @author Intel Corporation
+ **/
+
+#ifndef _XRAN_HASH_H
+#define _XRAN_HASH_H
+
+#include <rte_common.h>
+#include <rte_hash.h>
+#include <rte_hash_crc.h>
+
+#define DEFAULT_HASH_FUNC       rte_hash_crc
+
+
+struct rte_hash *xran_section_init_hash(uint16_t dir, uint16_t cid, int max_num_sections);
+void xran_section_free_hash(struct rte_hash *hash);
+
+void xran_section_reset_hash(struct rte_hash *hash);
+int xran_section_add_hash(const struct rte_hash *hash, uint16_t section_id, int index);
+int xran_section_lookup(const struct rte_hash *hash, uint16_t section_id);
+int xran_section_iterate(const struct rte_hash *hash, uint32_t *next);
+
+#endif