From 7286b2518ec8e4398b512ce95def9166a7af2e4a Mon Sep 17 00:00:00 2001
From: Deepak S <deepak.s@linux.intel.com>
Date: Thu, 13 Jul 2017 21:26:50 -0700
Subject: 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>
---
 VNFs/DPPD-PROX/bng_pkts.h | 114 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 VNFs/DPPD-PROX/bng_pkts.h

(limited to 'VNFs/DPPD-PROX/bng_pkts.h')

diff --git a/VNFs/DPPD-PROX/bng_pkts.h b/VNFs/DPPD-PROX/bng_pkts.h
new file mode 100644
index 00000000..82e6199c
--- /dev/null
+++ b/VNFs/DPPD-PROX/bng_pkts.h
@@ -0,0 +1,114 @@
+/*
+// 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 _BNG_PKTS_H_
+#define _BNG_PKTS_H_
+
+#include <rte_ether.h>
+#include <rte_ip.h>
+#include <rte_udp.h>
+#include <rte_byteorder.h>
+
+#include "gre.h"
+#include "mpls.h"
+#include "qinq.h"
+#include "arp.h"
+#include "hash_entry_types.h"
+
+struct cpe_pkt {
+#ifdef USE_QINQ
+	struct qinq_hdr qinq_hdr;
+#else
+	struct ether_hdr ether_hdr;
+#endif
+	struct ipv4_hdr ipv4_hdr;
+	struct udp_hdr udp_hdr;
+} __attribute__((packed));
+
+struct cpe_packet_arp {
+	struct qinq_hdr qinq_hdr;
+	struct my_arp_t arp;
+} __attribute__((packed));
+
+/* Struct used for setting all the values a packet
+   going to the core netwerk. Payload may follow
+   after the headers, but no need to touch that. */
+struct core_net_pkt_m {
+	struct ether_hdr ether_hdr;
+#ifdef MPLS_ROUTING
+	union {
+		struct mpls_hdr mpls;
+		uint32_t mpls_bytes;
+	};
+#endif
+	struct ipv4_hdr tunnel_ip_hdr;
+	struct gre_hdr gre_hdr;
+	struct ipv4_hdr ip_hdr;
+	struct udp_hdr udp_hdr;
+} __attribute__((packed));
+
+struct core_net_pkt {
+	struct ether_hdr ether_hdr;
+	struct ipv4_hdr tunnel_ip_hdr;
+	struct gre_hdr gre_hdr;
+	struct ipv4_hdr ip_hdr;
+	struct udp_hdr udp_hdr;
+} __attribute__((packed));
+
+#define UPSTREAM_DELTA   ((uint32_t)(sizeof(struct core_net_pkt) - sizeof(struct cpe_pkt)))
+#define DOWNSTREAM_DELTA ((uint32_t)(sizeof(struct core_net_pkt_m) - sizeof(struct cpe_pkt)))
+
+struct cpe_pkt_delta {
+	uint8_t encap[DOWNSTREAM_DELTA];
+	struct cpe_pkt pkt;
+} __attribute__((packed));
+
+static inline void extract_key_cpe(struct rte_mbuf *mbuf, uint64_t* key)
+{
+	uint8_t* packet = rte_pktmbuf_mtod(mbuf, uint8_t*);
+#ifdef USE_QINQ
+	*key = (*(uint64_t *)(packet + 12)) & 0xFF0FFFFFFF0FFFFF;
+#else
+	*key = rte_bswap32(*(uint32_t *)(packet + 26)) & 0x00FFFFFF;
+#endif
+}
+
+static inline void key_core(struct gre_hdr* gre, __attribute__((unused)) struct ipv4_hdr* ip, uint64_t* key)
+{
+	struct cpe_key *cpe_key = (struct cpe_key*)key;
+
+	cpe_key->gre_id = rte_be_to_cpu_32(gre->gre_id) & 0xFFFFFFF;
+
+#ifdef USE_QINQ
+	cpe_key->ip = ip->dst_addr;
+#else
+	cpe_key->ip = 0;
+#endif
+}
+
+static inline void extract_key_core(struct rte_mbuf *mbuf, uint64_t* key)
+{
+	struct core_net_pkt *packet = rte_pktmbuf_mtod(mbuf, struct core_net_pkt *);
+	key_core(&packet->gre_hdr, &packet->ip_hdr, key);
+}
+
+static inline void extract_key_core_m(struct rte_mbuf *mbuf, uint64_t* key)
+{
+	struct core_net_pkt_m *packet = rte_pktmbuf_mtod(mbuf, struct core_net_pkt_m *);
+	key_core(&packet->gre_hdr, &packet->ip_hdr, key);
+}
+
+#endif /* _BNG_PKTS_H_ */
-- 
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