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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:
*/
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