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-rw-r--r--lib/src/protocol/icmprd.h72
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diff --git a/lib/src/protocol/icmprd.h b/lib/src/protocol/icmprd.h
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+/*
+ * 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.
+ */
+
+/**
+ * @file protocol/icmp-rd.c
+ * @brief hICN operations for ICMP Redirect header
+ */
+#ifndef HICN_PROTOCOL_ICMPRD_H
+#define HICN_PROTOCOL_ICMPRD_H
+
+#include <hicn/common.h>
+#include "ipv4.h"
+
+/*
+ * The length of the ICMPRD4 header struct must be 92 bytes.
+ */
+#define EXPECTED_ICMPRD4_HDRLEN 92
+
+typedef struct
+{
+ u8 type;
+ u8 code;
+ u16 csum;
+ ipv4_address_t ip;
+ _ipv4_header_t iph;
+ u8 data[64];
+} _icmprd4_header_t;
+
+#define ICMPRD4_HDRLEN sizeof (_icmprd4_header_t)
+static_assert (EXPECTED_ICMPRD4_HDRLEN == ICMPRD4_HDRLEN,
+ "Size of ICMPWLDR struct does not match its expected size.");
+
+/*
+ * The length of the ICMPRD header struct must be 40 bytes.
+ */
+#define EXPECTED_ICMPRD_HDRLEN 40
+
+typedef struct
+{
+ u8 type;
+ u8 code;
+ u16 csum;
+ u32 res;
+ ipv6_address_t tgt;
+ ipv6_address_t dst;
+} _icmprd_header_t;
+
+#define ICMPRD_HDRLEN sizeof (_icmprd_header_t)
+static_assert (EXPECTED_ICMPRD_HDRLEN == ICMPRD_HDRLEN,
+ "Size of ICMPWLDR struct does not match its expected size.");
+
+#endif /* HICN_PROTOCOL_ICMPRD_H */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */