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ICMP_ECHO_REPLY (Windows Embedded CE 6.0)

1/6/2010

This structure describes the data returned in response to an echo request (IcmpSendEcho).

Syntax

struct icmp_echo_reply {
  IPAddr Address;
  unsigned long Status;
  unsigned long RoundTripTime;
  unsigned short DataSize; 
  unsigned short Reserved; 
  void FAR* Data;
  struct ip_option_information Options; 
} ICMP_ECHO_REPLY; 

Members

  • Address
    The replying IP address.
  • Status
    The status of the echo request, in the form of an IP_STATUS code. The possible values for this member are defined in the ipexport.h header file.

    Value Meaning

    IP_SUCCESS

    11000

    The status was success.

    IP_BUF_TOO_SMALL

    11001

    The reply buffer was too small.

    IP_DEST_NET_UNREACHABLE

    11002

    The destination network was unreachable.

    IP_DEST_HOST_UNREACHABLE

    11003

    The destination host was unreachable.

    IP_DEST_PROT_UNREACHABLE

    11004

    The destination protocol was unreachable.

    IP_DEST_PORT_UNREACHABLE

    11005

    The destination port was unreachable.

    IP_NO_RESOURCES

    11006

    Insufficient IP resources were available.

    IP_BAD_OPTION

    11007

    A bad IP option was specified.

    IP_HW_ERROR

    11008

    A hardware error occurred.

    IP_PACKET_TOO_BIG

    11009

    The packet was too big.

    IP_REQ_TIMED_OUT

    11010

    The request timed out.

    IP_BAD_REQ

    11011

    A bad request.

    IP_BAD_ROUTE

    11012

    A bad route.

    IP_TTL_EXPIRED_TRANSIT

    11013

    The time to live (TTL) expired in transit.

    IP_TTL_EXPIRED_REASSEM

    11014

    The time to live expired during fragment reassembly.

    IP_PARAM_PROBLEM

    11015

    A parameter problem.

    IP_SOURCE_QUENCH

    11016

    Datagrams are arriving too fast to be processed and datagrams may have been discarded.

    IP_OPTION_TOO_BIG

    11017

    An IP option was too big.

    IP_BAD_DESTINATION

    11018

    A bad destination.

    IP_GENERAL_FAILURE

    11050

    A general failure. This error can be returned for some malformed ICMP packets.

  • RoundTripTime
    The round trip time (RTT) in milliseconds.
  • DataSize
    The data size, in bytes, of the reply.
  • Reserved
    Reserved for system use.
  • Data
    A pointer to the reply data.
  • Options
    The IP options in the IP header of the reply, in the form of an IP_OPTION_INFORMATION structure.

Requirements

Header icmpapi.h
Windows Embedded CE Windows CE 2.0 and later

See Also

Reference

ICMP Structures
IcmpSendEcho