rte_icmp.h

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/*
 * Copyright (c) 1982, 1986, 1990, 1993
 *      The Regents of the University of California.  All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
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 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * 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
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 *      @(#)in.h        8.3 (Berkeley) 1/3/94
 * $FreeBSD: src/sys/netinet/in.h,v 1.82 2003/10/25 09:37:10 ume Exp $
 */

#ifndef _RTE_ICMP_H_
#define _RTE_ICMP_H_

#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

struct icmp_hdr {
    uint8_t  icmp_type;   /* ICMP packet type. */
    uint8_t  icmp_code;   /* ICMP packet code. */
    uint16_t icmp_cksum;  /* ICMP packet checksum. */
    uint16_t icmp_ident;  /* ICMP packet identifier. */
    uint16_t icmp_seq_nb; /* ICMP packet sequence number. */
} __attribute__((__packed__));

/* ICMP packet types */
#define IP_ICMP_ECHO_REPLY   0
#define IP_ICMP_ECHO_REQUEST 8

#ifdef __cplusplus
}
#endif

#endif /* RTE_ICMP_H_ */