[HICN-602] Added bidirectional udp tunnels

- Implemented a udp decapsulation node
- Added a hash table to identify the incoming udp tunnel when
  an interest or data packets are received
- Added udp punting through udp_register_dst_port

Signed-off-by: Alberto Compagno <acompagn+fdio@cisco.com>
Change-Id: Iffea4d81c5ea8ce8ccbbfd749113f06a698a2afe

1 files changed, 16 insertions, 0 deletions

diff --git a/hicn-plugin/src/udp_tunnels/udp_decap.h b/hicn-plugin/src/udp_tunnels/udp_decap.h
new file mode 100644
index 000000000..adbec3f03
--- /dev/null
+++ b/hicn-plugin/src/udp_tunnels/udp_decap.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (c) 2020 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.
+ */
+
+extern vlib_node_registration_t udp_decap_node;