halether.c

WINDOWS CE BSP用于SBC2440开发板

    return (FALSE);
#else
   return pfnEDbgGetFrame(pData, pwLength);
#endif 	// IMGSHAREETH.
   
}


/* OEMEthSendFrame
 *
 *   Send Ethernet frame.  
 *
 *  Return Value:
 *   TRUE if frame successfully sent, FALSE otherwise.
 */
BOOL
OEMEthSendFrame(
    BYTE *pData,     // IN - Data buffer
    DWORD dwLength)  // IN - Length of buffer
{
    int retries = 0;

    while (retries++ < 4) {
        if (!pfnEDbgSendFrame(pData, dwLength))
		{
#ifdef IMGSHAREETH
			ProcessVMiniSend();
#endif //IMGSHAREETH
            return TRUE;
		}
        else
            EdbgOutputDebugString("!OEMEthSendFrame failure, retry %u\n",retries);
    }
    return FALSE;
}


/* OEMEthQueryClientInfo
 *
 *    Return address information for default ethernet services, plus a buffer pool to use
 *    for formatting and receiving EDBG packets (single buffer pool specified, divided in
 *    two for Rx and Tx buffers).  By specifying a smaller window size, less memory can be
 *    used (but the protocol will be less efficient...).  The amount of memory required per
 *    client is (2*WindowSize*1500) bytes.
 *
 *    For Odo, we reserve 3 buffer pools worth of memory in the bib file, based on the IMGEBOOT
 *    flag being set.
 *
 *  Return Value:
 *    If client can be configured, return TRUE and fill in addressing and buffer info. Otherwise
 *    return FALSE.  For Odo, configure clients based on the flags set by Eshell (received in the
 *    JUMPIMG command by eboot, and placed in the uninitalized driver globals section).
 */
/* OEMEthQueryClientInfo
 *
 *    Return address information for default ethernet services, plus a buffer pool to use
 *    for formatting and receiving EDBG packets (single buffer pool specified, divided in
 *    two for Rx and Tx buffers).  By specifying a smaller window size, less memory can be
 *    used (but the protocol will be less efficient...).  The amount of memory required per
 *    client is (2*WindowSize*1500) bytes.
 *
 *    For Odo, we reserve 3 buffer pools worth of memory in the bib file, based on the IMGEBOOT
 *    flag being set.
 *
 *  Return Value:
 *    If client can be configured, return TRUE and fill in addressing and buffer info. Otherwise
 *    return FALSE.  For Odo, configure clients based on the flags set by Eshell (received in the
 *    JUMPIMG command by eboot, and placed in the uninitalized driver globals section).
 */
BOOL
OEMEthQueryClientInfo(
    UCHAR Service,         // IN - Service ID (one of EDBG_SVC defs from ethdbg.h).
    EDBG_ADDR *pPeerAddr,  // OUT -Filled in with the peer Ether/IP address and UDP port number.
    PUCHAR  pWindowSize,   // OUT -Filled in with the client window size.
    PUCHAR *ppBufferPool)  // OUT -Filled in with the packet buffer pool address.
{
    
    // We use the default window size (8) for all services
    *pWindowSize = EDBG_WINDOW_SIZE;
    
    switch (Service)
    {
        // Check the flag in driver globals (set by eboot when it receives the JUMPIMG command)
        case EDBG_SVC_DBGMSG:
            if (! (pDriverGlobals->eth.etherFlags & EDBG_FL_DBGMSG)) {
                EdbgOutputDebugString("FAIL : EDBG_SVC_DBGMSG \n");
                return FALSE;
            }
            memcpy(pPeerAddr, &pDriverGlobals->eth.DbgHostAddr,sizeof(EDBG_ADDR));
            *ppBufferPool = (UCHAR *)EDBG_PHYSICAL_MEMORY_START;
            EdbgOutputDebugString("Querying to ethernet for debug messages, host: %s, port: %d \r\n\n",
                                    inet_ntoa(pDriverGlobals->eth.DbgHostAddr.dwIP),
                                    ntohs(pDriverGlobals->eth.DbgHostAddr.wPort));
            break;
        case EDBG_SVC_PPSH:
            if (! (pDriverGlobals->eth.etherFlags & EDBG_FL_PPSH)) {
                EdbgOutputDebugString("FAIL : EDBG_SVC_PPSH \n");
                return FALSE;
            }
            memcpy(pPeerAddr, &pDriverGlobals->eth.PpshHostAddr,sizeof(EDBG_ADDR));
            *ppBufferPool = (UCHAR *)EDBG_PHYSICAL_MEMORY_START + EDBG_DFLT_BUFFER_POOL_SIZE;
            EdbgOutputDebugString("Querying ethernet for PPSH, host: %s, port: %d \r\n\n",
                                    inet_ntoa(pDriverGlobals->eth.PpshHostAddr.dwIP),
                                    ntohs(pDriverGlobals->eth.PpshHostAddr.wPort));  
            break;
        case EDBG_SVC_KDBG:
            if (! (pDriverGlobals->eth.etherFlags & EDBG_FL_KDBG)) {
                EdbgOutputDebugString("FAIL : EDBG_SVC_KDBG \n");
                return FALSE;
            }
            memcpy(pPeerAddr, &pDriverGlobals->eth.KdbgHostAddr,sizeof(EDBG_ADDR));    
            *ppBufferPool = (UCHAR *)EDBG_PHYSICAL_MEMORY_START + 2*EDBG_DFLT_BUFFER_POOL_SIZE;
			EdbgOutputDebugString("Querying ethernet for KDBG, host: %s, port: %d \r\n\n",
                                    inet_ntoa(pDriverGlobals->eth.KdbgHostAddr.dwIP),
                                    ntohs(pDriverGlobals->eth.KdbgHostAddr.wPort));
            break;            
        default:
            return FALSE;
    }
    return TRUE;
}


/* OEMEthGetSecs
 *
 *  Return a count of seconds from some arbitrary time (the absolute value is not important,
 *  so long as it increments appropriately).
 */

DWORD 
OEMEthGetSecs( void ) 
{
    SYSTEMTIME st;
	DWORD ti;

    OEMGetRealTime( &st );
	ti = ((60UL * (60UL * (24UL * (31UL * st.wMonth + st.wDay) + st.wHour) + st.wMinute)) + st.wSecond);

	return ti;
}


#ifdef IMGSHAREETH
//
//  These functions are only needed if vmini is in.
//  i.e. if IMGSHAREETH is set.
//


////////////////////////////////////////////////////////////////////////////////
//  OEMEthSetFilter()
//
//  Description:
//      
//      This function is used by VMINI to inform the underlying ethernet
//      library on the filtering mode it requires.
//
//  Arguments:
//
//      pdwRequestedFilter  :: The requested filter.
//                             Identical constants have been added in 
//                             that mimics NDIS_PACKET_TYPE_XXX constants.
//
//  Return Value:
//
//      TRUE    :: if we can set the filter.
//      FALSE   :: otherwise..
//
//
//  Note:
//      
//      As a minimum to get vmini to work, we need to support
//      PACKET_TYPE_DIRECTED 
//      PACKET_TYPE_BROADCAST
//
//  
BOOL
OEMEthCurrentPacketFilter(PDWORD pdwRequestedFilter)
{
    
    //EdbgOutputDebugString(
        //"OEMEthCurrentPacketFilter set to [0x%x]\r\n",
        //*pdwRequestedFilter);   
    
    //
    //  Note that we can't do it immediately here, since we are called 
    //  by user mode code.
    //  So what we do is to set the flag here for the kernel mode code
    //  to pick up.
    //
    
    dwFilter   = *pdwRequestedFilter;
    bNewFilter = TRUE;
    return TRUE;

}   //  OEMEthCurrentPacketFilter()



////////////////////////////////////////////////////////////////////////////////
//  OEMEthMulticastList()
//
//  Description:
//
//      This function is used by VMINI to inform the underlying ethernet 
//      library on multicast addresses that winsock app is interested in.
//      
//  Arguments:
//
//      pucMulticastAddressList :: Pointer to an array of multicast addresses.
//      dwNoOfAddresses         :: Number of addresses passed in to us.
//
//  Return Value:
//      
//      TRUE    ::  if we can set the underlying edbg ethernet libary to start
//                      filtering on these multicast addresses.
//
//      FALSE   ::  otherwise.
//
BOOL
OEMEthMulticastList(PUCHAR  pucMulticastAddressList, DWORD  dwNoOfAddresses)
{
    //
    //  This platform does not support multicast yet..
    //

    DWORD   i;
    BOOL    bReturnValue;

    EdbgOutputDebugString(
        "OEMEthMulticastList():: No of Entries [%d]\r\n",
            dwNoOfAddresses);   

    //
    //  We can check how many entries an adapter that are attached to 
    //  can support.
    //  To make things simple, we just assume we can support minimum that
    //  vmini thinks we support (i.e. 8).
    //

    if (dwNoOfAddresses > 8)
    {
        //
        //  This should never happen, since VMINI is known to support
        //  8 entries only... 
        //
        
        EdbgOutputDebugString(
            "Multicast list requeste [%d] > 8 !!!\r\n",
            dwNoOfAddresses);

        return FALSE;
    }


    //
    //   8 entries, 6 bytes each..
    //

    memset(
        ucMultiAddr,
        0x00,
        8 * 6);     

    //
    //  6 bytes per entry..
    //

    memcpy(
        ucMultiAddr,
        pucMulticastAddressList,
        dwNoOfAddresses * 6);


    for (i = 0 ; i < dwNoOfAddresses ; i++)
    {
        EdbgOutputDebugString(
            "[%d] : %x - %x - %x - %x - %x - %x\r\n",
            i,
            pucMulticastAddressList[6*i+0],
            pucMulticastAddressList[6*i+1],
            pucMulticastAddressList[6*i+2],
            pucMulticastAddressList[6*i+3],
            pucMulticastAddressList[6*i+4],
            pucMulticastAddressList[6*i+5]);
    }

    //
    //  We are in KernelIOCTL call, some h/w requires the 
    //  setting of the MULTICAST addresses in interrupt service routine.
    //  So we will do it later, and mark it so the ISR will know about it..
    //  Note:
    //  Order is important here.    Don't set bNewMulticast to true until
    //  all the entries and the dwNoOfEntry are properly set up.
    //  This is because we can be switched out in the middle of 
    /// KernelIOCTL!!
    //
    
    dwNoOfEntry   = dwNoOfAddresses;
    bNewMulticast = TRUE;       
    bReturnValue  = TRUE;

    
    EdbgOutputDebugString(
        "OEMEthMulticastList returning [%d]\r\n",
        bReturnValue);


    return bReturnValue;
    

}   //  OEMEthMulticastList()

#endif