1 files changed, 88 insertions, 0 deletions
diff --git a/libtransport/src/core/vpp_forwarder_interface.h b/libtransport/src/core/vpp_forwarder_interface.h
new file mode 100644
index 000000000..eb759f8bc
--- /dev/null
+++ b/libtransport/src/core/vpp_forwarder_interface.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * 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.
+ */
+
+#pragma once
+
+#include <hicn/transport/config.h>
+
+#ifdef __vpp__
+
+#include <hicn/transport/core/prefix.h>
+
+#ifdef always_inline
+#undef always_inline
+#endif
+extern "C" {
+#include <vapi/vapi_safe.h>
+};
+
+#include <core/forwarder_interface.h>
+#include <core/memif_connector.h>
+
+#include <deque>
+
+namespace transport {
+
+namespace core {
+
+class VPPForwarderInterface
+    : public ForwarderInterface<VPPForwarderInterface, MemifConnector> {
+  static constexpr std::uint16_t interface_mtu = 1500;
+
+ public:
+  VPPForwarderInterface(MemifConnector &connector);
+
+  typedef MemifConnector ConnectorType;
+
+  ~VPPForwarderInterface();
+
+  void connect(bool is_consumer);
+
+  void registerRoute(Prefix &prefix);
+
+  TRANSPORT_ALWAYS_INLINE std::uint16_t getMtu() { return interface_mtu; }
+
+  TRANSPORT_ALWAYS_INLINE static bool isControlMessageImpl(
+      const uint8_t *message) {
+    return false;
+  }
+
+  TRANSPORT_ALWAYS_INLINE void processControlMessageReplyImpl(
+      Packet::MemBufPtr &&packet_buffer) {}
+
+  void closeConnection();
+
+ private:
+  uint32_t getMemifConfiguration();
+
+  void consumerConnection();
+
+  void producerConnection();
+
+  uint32_t memif_id_;
+  uint32_t sw_if_index_;
+  // A consumer socket in vpp has two faces (ipv4 and ipv6)
+  uint32_t face_id1_;
+  uint32_t face_id2_;
+  bool is_consumer_;
+  vapi_ctx_t sock_;
+  static std::mutex global_lock_;
+};
+
+}  // namespace core
+
+}  // namespace transport
+
+#endif