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, 35 insertions, 0 deletions

diff --git a/VNFs/DPPD-PROX/gre.h b/VNFs/DPPD-PROX/gre.h
new file mode 100644
index 00000000..23f68b62
--- /dev/null
+++ b/VNFs/DPPD-PROX/gre.h
@@ -0,0 +1,35 @@
+/*
+// 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 _GRE_H_
+#define _GRE_H_
+
+#define GRE_CRC_PRESENT     0x10
+#define GRE_ROUTING_PRESENT 0x08
+#define GRE_KEY_PRESENT     0x04
+#define GRE_SEQNUM_PRESENT  0x02
+#define GRE_STRICT_ROUTE    0x01
+
+struct gre_hdr {
+	uint8_t   recur: 3;   /* recur */
+	uint8_t   bits: 5;    /* bits: Checksum, Routing, Key, Sequence Number, strict Route */
+	uint8_t   version: 3; /* Version: must be 0 */
+	uint8_t   flags: 5;   /* Flags: must be 0 */
+	uint16_t  type;       /* Protocol type */
+	uint32_t  gre_id;     /* Key ID */
+} __attribute__((__packed__));
+
+#endif /* _GRE_H_ */