Adding PROX(Packet pROcessing eXecution engine) VNF to sampleVNF

JIRA: SAMPLEVNF-55

PROX is a DPDK-based application implementing Telco use-cases such as
a simplified BRAS/BNG, light-weight AFTR... It also allows configuring
finer grained network functions like QoS, Routing, load-balancing...

(We are moving PROX version v039 to sampleVNF
https://01.org/intel-data-plane-performance-demonstrators/prox-overview)

Change-Id: Ia3cb02cf0e49ac5596e922c197ff7e010293d033
Signed-off-by: Deepak S <deepak.s@linux.intel.com>

1 files changed, 42 insertions, 0 deletions

diff --git a/VNFs/DPPD-PROX/hash_utils.h b/VNFs/DPPD-PROX/hash_utils.h
new file mode 100644
index 00000000..a2536ffb
--- /dev/null
+++ b/VNFs/DPPD-PROX/hash_utils.h
@@ -0,0 +1,42 @@
+/*
+// Copyright (c) 2010-2017 Intel Corporation
+//
+// 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.
+*/
+
+#ifndef _HASH_UTILS_H_
+#define _HASH_UTILS_H_
+
+#include <rte_common.h>
+#include <rte_version.h>
+
+struct rte_table_hash;
+
+/* Take DPDK 2.2.0 ABI change into account: offset 0 now means first byte of mbuf struct
+ * see http://www.dpdk.org/browse/dpdk/commit/?id=ba92d511ddacf863fafaaa14c0577f30ee57d092
+ */
+#if RTE_VERSION >= RTE_VERSION_NUM(2,2,0,0)
+#define HASH_METADATA_OFFSET(offset)	(sizeof(struct rte_mbuf) + (offset))
+#else
+#define HASH_METADATA_OFFSET(offset)	(offset)
+#endif
+
+/* Wrap crc32 hash function to match that required for rte_table */
+uint64_t hash_crc32(void* key, uint32_t key_size, uint64_t seed);
+
+void print_hash_table_size(const struct rte_table_hash *h);
+void print_hash_table(const struct rte_table_hash *h);
+
+uint64_t get_bucket_key8(void* table, uint32_t bucket_idx, void** key, void** entries);
+uint64_t get_bucket(void* table, uint32_t bucket_idx, void** key, void** entries);
+#endif /* _HASH_UTILS_H_ */