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53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
/*
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* Copyright (C) 2015 José Ignacio Alamos <jialamos@uc.cl>
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @defgroup net_icmp ICMPV4
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* @ingroup net_ipv4
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* @brief Provides types related to ICMPv4
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* @see <a href="https://tools.ietf.org/html/rfc792">
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* RFC 792
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* </a>
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* @{
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*
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* @file
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* @brief ICMPv4 type and function definitions
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*
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* @author José Ignacio Alamos <jialamos@uc.cl>
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*/
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#ifndef NET_ICMP_H
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#define NET_ICMP_H
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#include "byteorder.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Echo request and response message format.
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*
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* @see <a href="https://tools.ietf.org/html/rfc792#page-14">
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* RFC 792, page 14
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* </a>
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*/
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typedef struct __attribute__((packed)){
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uint8_t type; /**< message type */
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uint8_t code; /**< message code */
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network_uint16_t csum; /**< checksum */
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network_uint16_t id; /**< identifier */
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network_uint16_t sn; /**< sequence number */
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} icmp_echo_t;
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#ifdef __cplusplus
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}
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#endif
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#endif /* NET_ICMP_H */
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/** @} */
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