1 files changed, 44 insertions, 0 deletions
diff --git a/lib/src/protocol/udp.h b/lib/src/protocol/udp.h
new file mode 100644
index 000000000..23f5317b3
--- /dev/null
+++ b/lib/src/protocol/udp.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2021-2022 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.
+ */
+
+#ifndef HICN_PROTOCOL_UDP_H
+#define HICN_PROTOCOL_UDP_H
+
+/*
+ * The len of the UDP header struct must be 8 bytes.
+ */
+#define EXPECTED_UDP_HDRLEN 8
+
+typedef struct
+{
+  u16 src_port;
+  u16 dst_port;
+  u16 len;
+  u16 checksum;
+} _udp_header_t;
+
+#define UDP_HDRLEN sizeof (_udp_header_t)
+static_assert (EXPECTED_UDP_HDRLEN == UDP_HDRLEN,
+	       "Size of UDP struct does not match its expected size.");
+
+#endif /* HICN_PROTOCOL_UDP_H */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */