#ifndef ICMP_TYPES_H
#define ICMP_TYPES_H

/* ICMP Message Types */
#define ICMP_TYPE_ECHO_REPLY			0
#define ICMP_TYPE_DEST_UNREACHABLE		3
#define ICMP_TYPE_SOURCE_QUENCH			4
#define ICMP_TYPE_REDIRECT				5
#define ICMP_TYPE_ECHO_REQUEST			8
#define ICMP_TYPE_ROUTER_ADVERTISEMENT	9
#define ICMP_TYPE_ROUTER_SOLICITATION	10
#define ICMP_TYPE_TIME_EXCEEDED			11
#define ICMP_TYPE_PARAMETER_PROBLEM		12
#define ICMP_TYPE_TIMESTAMP_REQUEST		13	
#define ICMP_TYPE_TIMESTAMP_REPLY		14	

/* Type 3 (Destination Unreachable) Codes */
#define ICMP_CODE_NET_UNREACHABLE		0
#define ICMP_CODE_HOST_UNREACHABLE		1
#define ICMP_CODE_PROTOCOL_UNREACHABLE	2
#define ICMP_CODE_PORT_UNREACHABLE		3
#define ICMP_CODE_FRAG_NEEDED			4

/* Type 11 (Time Exceeded) Codes */
#define ICMP_CODE_TTL_EXCEEDED			0
#define ICMP_CODE_FRAG_REASM_EXCEEDED	1

#endif