/* -*- c-basic-offset: 4 -*- */#ifndef CLICKNET_ICMP6_H#define CLICKNET_ICMP6_H#include <clicknet/ip6.h>/* * <clicknet/icmp6.h> -- our own definitions for ICMP6 packets * Based on RFC 1885 *//* types for ICMP6 packets */#define ICMP6_UNREACH		1#define ICMP6_PKTTOOBIG		2#define ICMP6_TIMXCEED		3#define ICMP6_PARAMPROB		4#define ICMP6_ECHO		128#define ICMP6_ECHOREPLY		129#define ICMP6_MEMBERSHIPQUERY	130#define ICMP6_MEMBERSHIPREPORT	131#define ICMP6_MEMBERSHIPREDUCTION 132#define ICMP6_REDIRECT		137/* codes for spefic types of ICMP6 packets *//* ICMP6 Error Message - Type: 1 */#define ICMP6_UNREACH_NOROUTE	0#define ICMP6_UNREACH_ADMIN	1#define ICMP6_UNREACH_NOTNEIGHBOR 2#define ICMP6_UNREACH_ADDR	3#define ICMP6_UNREACH_NOPORT	4/* ICMP6 Time Exceeded Message - Type: 3 */#define ICMP6_TIMXCEED_TRANSIT	0#define ICMP6_TIMXCEED_REASSEMBLY 1/* ICMP6 Parameter Problem Message - Type: 4 */#define ICMP6_PARAMPROB_HEADER	0#define ICMP6_PARAMPROB_NEXTHEADER 1#define ICMP6_PARAMPROB_OPTION	2/* remove possible definitions for symbols */#undef icmp6_identifier#undef icmp6_sequence#undef icmp6_pointer#undef icmp6_maxdelay/* most ICMP6 request types */struct click_icmp6 {     uint8_t icmp6_type;		/* one of the ICMP6_TYPE_*'s above */    uint8_t icmp6_code;		/* one of the ICMP6_CODE_*'s above */    uint16_t icmp6_cksum;		/* 16 1's comp csum */    uint32_t padding;			/* should be zero */    /* followed by as much of invoking packet as will fit without the ICMPv6 packet exceeding 576 octets*/};/* packet too big header */struct click_icmp6_pkttoobig {    uint8_t icmp6_type;		/* one of the ICMP6_TYPE_*'s above */    uint8_t icmp6_code;		/* one of the ICMP6_CODE_*'s above */    uint16_t icmp6_cksum;		/* 16 1's comp csum */    uint32_t icmp6_mtusize;			/* maximum packet size */  /* followed by as much of invoking packet as will fit without the ICMPv6 packet exceeding 576 octets*/};/* parameter problem header */struct click_icmp6_paramprob {    uint8_t icmp6_type;		/* one of the ICMP_TYPE_*'s above */    uint8_t icmp6_code;		/* one of the ICMP6_CODE_*'s above */    uint16_t icmp6_cksum;		/* 16 1's comp csum */    uint32_t icmp6_pointer;		/* which octect in orig. IP6 pkt was a problem */  /* followed by as much of invoking packet as will fit without the ICMPv6 packet exceeding 576 octets*/};/* struct for things with sequence numbers - echo request & echo reply msgs*/struct click_icmp6_sequenced {    uint8_t icmp6_type;		/* one of the ICMP6_TYPE_*'s above */    uint8_t icmp6_code;		/* one of the ICMP6_CODE_*'s above */    uint16_t icmp6_cksum;		/* 16 1's comp csum */    uint16_t icmp6_identifier;    uint16_t icmp6_sequence;    /* Followed by: */    /* Echo Request: zero or more octets of arbitary data */    /* Echo Reply: the data fromm the invoking Echo Request msg */};/* struct for group membership messages */struct click_icmp6_membership {    uint8_t icmp6_type;		/* one of the ICMP6_TYPE_*'s above */    uint8_t icmp6_code;		/* one of the ICMP6_CODE_*'s above */    uint16_t icmp6_cksum;		/* 16 1's comp csum */    uint16_t icmp6_maxdelay;   /* maximum response delay, in milliseconds */    uint16_t padding;    /* followed by multicast address */};/* struct for redirect messages */struct click_icmp6_redirect {    uint8_t icmp6_type;    uint8_t icmp6_code;      uint16_t icmp6_cksum;    uint32_t padding;    struct click_in6_addr icmp6_target;    struct click_in6_addr icmp6_dst;};/* different struct names for each type of packet */#define click_icmp6_unreach	click_icmp6#define click_icmp6_timxceed	click_icmp6#define click_icmp6_echo	click_icmp6_sequenced#endif