PNEIGHBOR_CACHE_ENTRY RouteGetRouteToDestination ( PIP_ADDRESS Destination )

Definition at line 301 of file router.c.

Referenced by ICMPSendDatagram(), ICMPTransmit(), RawIPSendDatagram(), TCPConnect(), TCPSendDataCallback(), and UDPSendDatagram().

{
    PNEIGHBOR_CACHE_ENTRY NCE = NULL;
    PIP_INTERFACE Interface;

    TI_DbgPrint(DEBUG_RCACHE, ("Called. Destination (0x%X)\n", Destination));

    TI_DbgPrint(DEBUG_RCACHE, ("Destination (%s)\n", A2S(Destination)));

#if 0
    TI_DbgPrint(MIN_TRACE, ("Displaying tree (before).\n"));
    PrintTree(RouteCache);
#endif

    /* Check if the destination is on-link */
    Interface = FindOnLinkInterface(Destination);
    if (Interface) {
    /* The destination address is on-link. Check our neighbor cache */
    NCE = NBFindOrCreateNeighbor(Interface, Destination, FALSE);
    } else {
    /* Destination is not on any subnets we're on. Find a router to use */
    NCE = RouterGetRoute(Destination);
    }

    if( NCE )
    TI_DbgPrint(DEBUG_ROUTER,("Interface->MTU: %d\n", NCE->Interface->MTU));

    return NCE;
}

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