//---------------------------------------------------------------------------
//
// Function: VEthApiXmit
//
// Description: Transmit a TX frame
//
// Parameters: pData_p = point to packet buffer
// wDataSize = size of packet
//
// Returns: kEplApiInvalidParam - maximum MTU is reached
// kEplDllAsyncTxBuffer - internal buffer is full
// kEplInvalidOperation - Send not allowed in this state
// kEplSuccessful - message sent successfully
//
// State:
//
//---------------------------------------------------------------------------
tEplKernel PUBLIC VEthApiXmit(BYTE *pData_p, WORD wDataSize)
{
tEplKernel Ret = kEplSuccessful;
tEplFrameInfo FrameInfo;
tEplNmtState NmtState;
//check POWERLINK state
NmtState = EplNmtuGetNmtState();
if(NmtState <= kEplNmtCsNotActive || NmtState == kEplNmtMsNotActive)
{
Ret = kEplInvalidOperation;
EPL_DBGLVL_VETH_TRACE("VEthXmit: Error while transmitting! Invalid "
"state: 0x%x!\n", NmtState);
goto Exit;
}
//check MTU
if(wDataSize > VEthInstance_g.m_wMtu)
{
Ret = kEplApiInvalidParam;
EPL_DBGLVL_VETH_TRACE("VEthXmit: Error while transmitting! MTU is set to "
"%d and frame has size %d!\n", VEthInstance_g.m_wMtu, wDataSize);
goto Exit;
}
//save frame and size
FrameInfo.m_pFrame = (tEplFrame *)pData_p;
FrameInfo.m_uiFrameSize = wDataSize;
//call send function on DLL
Ret = EplDllkCalAsyncSend(&FrameInfo, kEplDllAsyncReqPrioGeneric, kEplDllAsyncBuffVeth);
switch(Ret)
{
case kEplSuccessful:
//set stats for the device
VEthInstance_g.m_Statistics.m_dwMsgsent++;
goto Exit;
case kEplDllAsyncTxBufferFull:
//buffer is full
VEthInstance_g.m_Statistics.m_dwTxBufferFull++;
goto Exit;
default:
EPL_DBGLVL_VETH_TRACE("VEthXmit: EplDllkCalAsyncSend returned 0x%02X\n", Ret);
goto Exit;
}
Exit:
return Ret;
}
static int EplLinProcRead (
char* pcBuffer_p,
char** ppcStart_p,
off_t Offset_p,
int nBufferSize_p,
int* pEof_p,
void* pData_p)
{
int nSize;
int Eof;
#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLK)) != 0)
tEplDllkCalStatistics* pDllkCalStats;
#endif
nSize = 0;
Eof = 0;
// count calls of this function
#ifdef _DBG_TRACE_POINTS_
TgtDbgSignalTracePoint(0);
#endif
//---------------------------------------------------------------
// generate static information
//---------------------------------------------------------------
// ---- Driver information ----
nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
"%s %s (c) 2006 %s\n",
EPL_PRODUCT_NAME, EPL_PRODUCT_VERSION, EPL_PRODUCT_MANUFACTURER);
//---------------------------------------------------------------
// generate process information
//---------------------------------------------------------------
// ---- EPL state ----
#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMTU)) != 0)
nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
"NMT state: 0x%04X\n",
(WORD) EplNmtuGetNmtState());
#endif
#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLK)) != 0)
EplDllkCalGetStatistics(&pDllkCalStats);
nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
"CurAsyncTxGen=%lu CurAsyncTxNmt=%lu CurAsyncRx=%lu\nMaxAsyncTxGen=%lu MaxAsyncTxNmt=%lu MaxAsyncRx=%lu\n", pDllkCalStats->m_ulCurTxFrameCountGen, pDllkCalStats->m_ulCurTxFrameCountNmt, pDllkCalStats->m_ulCurRxFrameCount, pDllkCalStats->m_ulMaxTxFrameCountGen, pDllkCalStats->m_ulMaxTxFrameCountNmt, pDllkCalStats->m_ulMaxRxFrameCount);
#endif
#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0)
// fetch running IdentRequests
nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
"running IdentRequests: 0x%08lX\n",
(ULONG) EplIdentuGetRunningRequests());
// fetch state of NmtMnu module
{
unsigned int uiMandatorySlaveCount;
unsigned int uiSignalSlaveCount;
WORD wFlags;
EplNmtMnuGetDiagnosticInfo(&uiMandatorySlaveCount,
&uiSignalSlaveCount,
&wFlags);
nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
"MN MandSlaveCount: %u SigSlaveCount: %u Flags: 0x%X\n",
uiMandatorySlaveCount, uiSignalSlaveCount, wFlags);
}
#endif
#if (EDRV_USE_DIAGNOSTICS != FALSE)
nSize += EdrvGetDiagnostics(pcBuffer_p + nSize, nBufferSize_p - nSize);
#endif
// ---- FEC state ----
#ifdef CONFIG_COLDFIRE
{
// Receive the base address
unsigned long base_addr;
#if (EDRV_USED_ETH_CTRL == 0)
// Set the base address of FEC0
base_addr = FEC_BASE_ADDR_FEC0;
#else
// Set the base address of FEC1
base_addr = FEC_BASE_ADDR_FEC1;
#endif
nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
"FEC_ECR = 0x%08X FEC_EIR = 0x%08X FEC_EIMR = 0x%08X\nFEC_TCR = 0x%08X FECTFSR = 0x%08X FECRFSR = 0x%08X\n",
FEC_ECR(base_addr), FEC_EIR(base_addr), FEC_EIMR(base_addr), FEC_TCR(base_addr), FEC_FECTFSR(base_addr), FEC_FECRFSR(base_addr));
}
#endif
// ---- DBG: TracePoints ----
#ifdef _DBG_TRACE_POINTS_
{
int nNum;
nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
"DbgTracePoints:\n");
for (nNum=0; nNum<(sizeof(aatmDbgTracePoint_l)/sizeof(atomic_t)); nNum++)
{
nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
" TracePoint[%2d]: %d\n", (int)nNum,
atomic_read(&aatmDbgTracePoint_l[nNum]));
}
nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
"DbgTraceValues:\n");
for (nNum=0; nNum<DBG_TRACE_VALUES; nNum++)
{
if (nNum == uiDbgTraceValuePos_l)
{ // next value will be stored at that position
nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
"*%08lX", (ULONG) adwDbgTraceValue_l[nNum]);
}
else
{
nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
" %08lX", (ULONG) adwDbgTraceValue_l[nNum]);
}
if ((nNum & 0x00000007) == 0x00000007)
{ // 8 values printed -> end of line reached
nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
"\n");
}
}
if ((nNum & 0x00000007) != 0x00000007)
{ // number of values printed is not a multiple of 8 -> print new line
nSize += snprintf (pcBuffer_p + nSize, nBufferSize_p - nSize,
"\n");
}
}
#endif
Eof = 1;
goto Exit;
Exit:
*pEof_p = Eof;
return (nSize);
}
