1 files changed, 68 insertions, 0 deletions
diff --git a/lib/src/protocol/icmp.h b/lib/src/protocol/icmp.h
new file mode 100755
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+++ b/lib/src/protocol/icmp.h
@@ -0,0 +1,68 @@
+/*
+ * 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.
+ */
+
+/**
+ * @file protocol/icmp.h
+ * @brief ICMP packet header
+ */
+#ifndef HICN_PROTOCOL_ICMP_H
+#define HICN_PROTOCOL_ICMP_H
+
+#include "../common.h"
+
+typedef struct
+{
+  u8 type;
+  u8 code;
+  u16 csum;
+} _icmp_header_t;
+
+typedef struct
+{
+  u8 type;
+  u8 code;
+  u16 csum;
+  union
+  {
+    struct
+    {
+      u16 id;
+      u16 sequence;
+    } echo;			/* echo datagram */
+    u32 gateway;		/* gateway address */
+    struct
+    {
+      u16 _unused;
+      u16 mtu;
+    } frag;			/* path mtu discovery */
+    struct
+    {
+      u16 expected_lbl;
+      u16 received_lbl;
+    } wldr_notification_lbl;
+  };
+} _icmp_wldr_header_t;
+
+#define ICMP_HDRLEN sizeof(_icmp_header_t)
+
+#endif /* HICN_PROTOCOL_ICMP_H */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */