rte_icmp.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 1982, 1986, 1990, 1993
 *      The Regents of the University of California.
 * Copyright(c) 2013 6WIND S.A.
 * All rights reserved.
 */
 
#ifndef _RTE_ICMP_H_
#define _RTE_ICMP_H_
 
#include <stdint.h>
 
#include <rte_byteorder.h>
 
struct __rte_packed_begin rte_icmp_base_hdr {
    uint8_t type;
    uint8_t code;
    rte_be16_t checksum;
} __rte_packed_end;
 
struct __rte_packed_begin rte_icmp_echo_hdr {
    struct rte_icmp_base_hdr base;
    rte_be16_t identifier;
    rte_be16_t sequence;
} __rte_packed_end;
 
struct __rte_packed_begin rte_icmp_hdr {
    uint8_t  icmp_type;     /* ICMP packet type. */
    uint8_t  icmp_code;     /* ICMP packet code. */
    rte_be16_t icmp_cksum;  /* ICMP packet checksum. */
    rte_be16_t icmp_ident;  /* ICMP packet identifier. */
    rte_be16_t icmp_seq_nb; /* ICMP packet sequence number. */
} __rte_packed_end;
 
/* ICMP packet types */
#define RTE_ICMP_TYPE_ECHO_REPLY 0
#define RTE_ICMP_TYPE_DEST_UNREACHABLE 3
#define RTE_ICMP_TYPE_REDIRECT 5
#define RTE_ICMP_TYPE_ECHO_REQUEST 8
#define RTE_ICMP_TYPE_TTL_EXCEEDED 11
#define RTE_ICMP_TYPE_PARAM_PROBLEM 12
#define RTE_ICMP_TYPE_TIMESTAMP_REQUEST 13
#define RTE_ICMP_TYPE_TIMESTAMP_REPLY 14
 
/* Destination Unreachable codes */
#define RTE_ICMP_CODE_UNREACH_NET 0
#define RTE_ICMP_CODE_UNREACH_HOST 1
#define RTE_ICMP_CODE_UNREACH_PROTO 2
#define RTE_ICMP_CODE_UNREACH_PORT 3
#define RTE_ICMP_CODE_UNREACH_FRAG 4
#define RTE_ICMP_CODE_UNREACH_SRC 5
 
/* Time Exceeded codes */
#define RTE_ICMP_CODE_TTL_EXCEEDED 0
#define RTE_ICMP_CODE_TTL_FRAG 1
 
/* Redirect codes */
#define RTE_ICMP_CODE_REDIRECT_NET 0
#define RTE_ICMP_CODE_REDIRECT_HOST 1
#define RTE_ICMP_CODE_REDIRECT_TOS_NET 2
#define RTE_ICMP_CODE_REDIRECT_TOS_HOST 3
 
#define RTE_ICMP6_ECHO_REQUEST 128
#define RTE_ICMP6_ECHO_REPLY   129
 
#endif /* RTE_ICMP_H_ */