icmp.h
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1 /*
2  * SPDX-FileCopyrightText: 2015 José Ignacio Alamos <jialamos@uc.cl>
3  * SPDX-License-Identifier: LGPL-2.1-only
4  */
5 
6 #pragma once
7 
23 #include "byteorder.h"
24 
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 
36 typedef struct __attribute__((packed)){
37  uint8_t type;
38  uint8_t code;
39  network_uint16_t csum;
40  network_uint16_t id;
41  network_uint16_t sn;
42 } icmp_echo_t;
43 
44 #ifdef __cplusplus
45 }
46 #endif
47 
byteorder.h
Functions to work with different byte orders.
icmp_echo_t
Echo request and response message format.
Definition: icmp.h:36
icmp_echo_t::type
uint8_t type
message type
Definition: icmp.h:37
icmp_echo_t::csum
network_uint16_t csum
checksum
Definition: icmp.h:39
icmp_echo_t::code
uint8_t code
message code
Definition: icmp.h:38
icmp_echo_t::sn
network_uint16_t sn
sequence number
Definition: icmp.h:41
icmp_echo_t::id
network_uint16_t id
identifier
Definition: icmp.h:40
be_uint16_t
A 16 bit integer in big endian aka network byte order.
Definition: byteorder.h:70