/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * INET An implementation of the TCP/IP protocol suite for the LINUX * operating system. INET is implemented using the BSD Socket * interface as the means of communication with the user level. * * Definitions for the ICMP protocol. * * Version: @(#)icmp.h 1.0.3 04/28/93 * * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. #ifndef _UAPI_LINUX_ICMP_H#define _UAPI_LINUX_ICMP_H#include <linux/types.h>#include <asm /byteorder.h>#include <linux/if .h>#include <linux/in6.h>#define ICMP_ECHOREPLY 0 /* Echo Reply */ #define ICMP_DEST_UNREACH 3 /* Destination Unreachable */ #define ICMP_SOURCE_QUENCH 4 /* Source Quench */ #define ICMP_REDIRECT 5 /* Redirect (change route) */ #define ICMP_ECHO 8 /* Echo Request */ #define ICMP_TIME_EXCEEDED 11 /* Time Exceeded */ #define ICMP_PARAMETERPROB 12 /* Parameter Problem */ #define ICMP_TIMESTAMP 13 /* Timestamp Request */ #define ICMP_TIMESTAMPREPLY 14 /* Timestamp Reply */ #define ICMP_INFO_REQUEST 15 /* Information Request */ #define ICMP_INFO_REPLY 16 /* Information Reply */ #define ICMP_ADDRESS 17 /* Address Mask Request */ #define ICMP_ADDRESSREPLY 18 /* Address Mask Reply */ #define NR_ICMP_TYPES 18/* Codes for UNREACH. */ #define ICMP_NET_UNREACH 0 /* Network Unreachable */ #define ICMP_HOST_UNREACH 1 /* Host Unreachable */ #define ICMP_PROT_UNREACH 2 /* Protocol Unreachable */ #define ICMP_PORT_UNREACH 3 /* Port Unreachable */ #define ICMP_FRAG_NEEDED 4 /* Fragmentation Needed/DF set */ #define ICMP_SR_FAILED 5 /* Source Route failed */ #define ICMP_NET_UNKNOWN 6#define ICMP_HOST_UNKNOWN 7#define ICMP_HOST_ISOLATED 8#define ICMP_NET_ANO 9#define ICMP_HOST_ANO 10#define ICMP_NET_UNR_TOS 11#define ICMP_HOST_UNR_TOS 12#define ICMP_PKT_FILTERED 13 /* Packet filtered */ #define ICMP_PREC_VIOLATION 14 /* Precedence violation */ #define ICMP_PREC_CUTOFF 15 /* Precedence cut off */ #define NR_ICMP_UNREACH 15 /* instead of hardcoding immediate value */ /* Codes for REDIRECT. */ #define ICMP_REDIR_NET 0 /* Redirect Net */ #define ICMP_REDIR_HOST 1 /* Redirect Host */ #define ICMP_REDIR_NETTOS 2 /* Redirect Net for TOS */ #define ICMP_REDIR_HOSTTOS 3 /* Redirect Host for TOS */ /* Codes for TIME_EXCEEDED. */ #define ICMP_EXC_TTL 0 /* TTL count exceeded */ #define ICMP_EXC_FRAGTIME 1 /* Fragment Reass time exceeded */ /* Codes for EXT_ECHO (PROBE) */ #define ICMP_EXT_ECHO 42#define ICMP_EXT_ECHOREPLY 43#define ICMP_EXT_CODE_MAL_QUERY 1 /* Malformed Query */ #define ICMP_EXT_CODE_NO_IF 2 /* No such Interface */ #define ICMP_EXT_CODE_NO_TABLE_ENT 3 /* No such Table Entry */ #define ICMP_EXT_CODE_MULT_IFS 4 /* Multiple Interfaces Satisfy Query */ /* Constants for EXT_ECHO (PROBE) */ #define ICMP_EXT_ECHOREPLY_ACTIVE (1 << 2)/* active bit in reply message */ #define ICMP_EXT_ECHOREPLY_IPV4 (1 << 1)/* ipv4 bit in reply message */ #define ICMP_EXT_ECHOREPLY_IPV6 1 /* ipv6 bit in reply message */ #define ICMP_EXT_ECHO_CTYPE_NAME 1#define ICMP_EXT_ECHO_CTYPE_INDEX 2#define ICMP_EXT_ECHO_CTYPE_ADDR 3#define ICMP_AFI_IP 1 /* Address Family Identifier for ipv4 */ #define ICMP_AFI_IP6 2 /* Address Family Identifier for ipv6 */ struct icmphdr {union {struct {struct {/* * constants for (set|get)sockopt #define ICMP_FILTER 1struct icmp_filter {/* RFC 4884 extension struct: one per message */ struct icmp_ext_hdr {#if defined (__LITTLE_ENDIAN_BITFIELD)#elif defined (__BIG_ENDIAN_BITFIELD)#else #error "Please fix " #endif /* RFC 4884 extension object header: one for each object */ struct icmp_extobj_hdr {/* RFC 8335: 2.1 Header for c-type 3 payload */ struct icmp_ext_echo_ctype3_hdr {/* RFC 8335: 2.1 Interface Identification Object */ struct icmp_ext_echo_iio {struct icmp_extobj_hdr extobj_hdr;union {char name[IFNAMSIZ];struct {struct icmp_ext_echo_ctype3_hdr ctype3_hdr;union {struct in6_addr ipv6_addr;#endif /* _UAPI_LINUX_ICMP_H */ quality 95%
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