/*
* Copyright (c) 2012 Jiri Svoboda
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup inet
* @{
*/
/**
* @file ICMP standard definitions
*
*/
#ifndef ICMP_STD_H_
#define ICMP_STD_H_
#include <stdint.h>
#define IP_PROTO_ICMP 1
/** Type of service used for ICMP */
#define ICMP_TOS 0
/** ICMP message type */
enum icmp_type {
ICMP_ECHO_REPLY = 0,
ICMP_ECHO_REQUEST = 8
};
/** ICMP Echo Request or Reply message header */
typedef struct {
/** ICMP message type */
uint8_t type;
/** Code (0) */
uint8_t code;
/** Internet checksum of the ICMP message */
uint16_t checksum;
/** Indentifier */
uint16_t ident;
/** Sequence number */
uint16_t seq_no;
} icmp_echo_t;
#endif
/** @}
*/