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, 43 insertions, 0 deletions

diff --git a/VNFs/DPPD-PROX/expire_cpe.c b/VNFs/DPPD-PROX/expire_cpe.c
new file mode 100644
index 00000000..4f2f5cd8
--- /dev/null
+++ b/VNFs/DPPD-PROX/expire_cpe.c
@@ -0,0 +1,43 @@
+/*
+// 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.
+*/
+
+#include <rte_cycles.h>
+
+#include "hash_entry_types.h"
+#include "hash_utils.h"
+#include "expire_cpe.h"
+
+#define MAX_TSC	       __UINT64_C(0xFFFFFFFFFFFFFFFF)
+
+void check_expire_cpe(void* data)
+{
+	struct expire_cpe *um = (struct expire_cpe *)data;
+	uint64_t cur_tsc = rte_rdtsc();
+	struct cpe_data *entries[4] = {0};
+	void *key[4] = {0};
+	uint64_t n_buckets = get_bucket_key8(um->cpe_table, um->bucket_index, key, (void**)entries);
+
+	for (uint8_t i = 0; i < 4 && entries[i]; ++i) {
+		if (entries[i]->tsc < cur_tsc) {
+			int key_found = 0;
+			void* entry = 0;
+			rte_table_hash_key8_ext_dosig_ops.f_delete(um->cpe_table, key[i], &key_found, entry);
+		}
+	}
+
+        um->bucket_index++;
+        um->bucket_index &= (n_buckets - 1);
+}