/*****************************************************************
*
* Interface query functions
*
*/
IxEthAccStatus
ixEthAccMdioShow (void)
{
UINT32 regval;
if (!IX_ETH_ACC_IS_SERVICE_INITIALIZED())
{
return (IX_ETH_ACC_FAIL);
}
ixOsalMutexLock(&miiAccessLock, IX_OSAL_WAIT_FOREVER);
ixEthAccMdioCmdRead(®val);
ixOsalMutexUnlock(&miiAccessLock);
printf("MDIO command register\n");
printf(" Go bit : 0x%x\n", (regval & BIT(31)) >> 31);
printf(" MDIO Write : 0x%x\n", (regval & BIT(26)) >> 26);
printf(" PHY address : 0x%x\n", (regval >> 21) & 0x1f);
printf(" Reg address : 0x%x\n", (regval >> 16) & 0x1f);
ixOsalMutexLock(&miiAccessLock, IX_OSAL_WAIT_FOREVER);
ixEthAccMdioStatusRead(®val);
ixOsalMutexUnlock(&miiAccessLock);
printf("MDIO status register\n");
printf(" Read OK : 0x%x\n", (regval & BIT(31)) >> 31);
printf(" Read Data : 0x%x\n", (regval >> 16) & 0xff);
return IX_ETH_ACC_SUCCESS;
}
/**
* @brief general-purpose NPE callback function
*
* @param npeID NPE ID
* @param msg NPE message
*
* This function will unblock the caller by unlocking
* the npeAckLock mutex defined for each NPE port
*
* @internal
*/
IX_ETH_DB_PUBLIC
void ixEthDBNpeMsgAck(IxNpeMhNpeId npeID, IxNpeMhMessage msg)
{
IxEthDBPortId portID = IX_ETHNPE_NODE_AND_PORT_TO_PHYSICAL_ID(npeID,0);
PortInfo *portInfo;
if (portID >= IX_ETH_DB_NUMBER_OF_PORTS)
{
/* invalid port */
return;
}
if (ixEthDBPortDefinitions[portID].type != IX_ETH_NPE)
{
/* not an NPE */
return;
}
portInfo = &ixEthDBPortInfo[portID];
ixOsalMutexUnlock(&portInfo->npeAckLock);
if (ixEthHssAccCoexistEnable)
{
/* Clear the common mutex locked during sending NPE messages */
IX_ETH_HSS_COM_MUT_UNLOCK();
}
}
/*********************************************************************
* ixEthAccMiiWriteRtn - write a 16 bit value to a PHY
*/
IxEthAccStatus
ixEthAccMiiWriteRtn (UINT8 phyAddr,
UINT8 phyReg,
UINT16 value)
{
UINT32 mdioCommand;
UINT32 regval;
UINT16 readVal;
UINT32 miiTimeout;
if (!IX_ETH_ACC_IS_SERVICE_INITIALIZED())
{
return (IX_ETH_ACC_FAIL);
}
if ((phyAddr >= IXP425_ETH_ACC_MII_MAX_ADDR)
|| (phyReg >= IXP425_ETH_ACC_MII_MAX_REG))
{
return (IX_ETH_ACC_FAIL);
}
/* ensure that a PHY is present at this address */
if(ixEthAccMiiReadRtn(phyAddr,
IX_ETH_ACC_MII_CTRL_REG,
&readVal) != IX_ETH_ACC_SUCCESS)
{
return (IX_ETH_ACC_FAIL);
}
ixOsalMutexLock(&miiAccessLock, IX_OSAL_WAIT_FOREVER);
mdioCommand = phyReg << IX_ETH_ACC_MII_REG_SHL
| phyAddr << IX_ETH_ACC_MII_ADDR_SHL ;
mdioCommand |= IX_ETH_ACC_MII_GO | IX_ETH_ACC_MII_WRITE | value;
ixEthAccMdioCmdWrite(mdioCommand);
miiTimeout = ixEthAccMiiRetryCount;
while(miiTimeout)
{
ixEthAccMdioCmdRead(®val);
/*The "GO" bit is reset to 0 when the write completes*/
if((regval & IX_ETH_ACC_MII_GO) == 0x0)
{
break;
}
/* Sleep for a while */
ixOsalSleep(ixEthAccMiiAccessTimeout);
miiTimeout--;
}
ixOsalMutexUnlock(&miiAccessLock);
if(miiTimeout == 0)
{
return IX_ETH_ACC_FAIL;
}
return IX_ETH_ACC_SUCCESS;
}
PRIVATE void
ixEthAccCodeletDispatcherPoll (void* arg, void** ptrRetObj)
{
if (ixOsalMutexLock (&ixEthAccCodeletDispatcherPollRunning,
IX_OSAL_WAIT_FOREVER) != IX_SUCCESS)
{
printf("Dispatcher: Error starting QMgr Dispatcher thread! Failed to lock mutex.\n");
return;
}
ixEthAccCodeletDispatcherPollStopTrigger = FALSE;
while (1)
{
if (ixEthAccCodeletDispatcherPollStopTrigger)
{
break; /* Exit the loop */
}
ixOsalYield();
(*ixEthAccCodeletDispatcherFunc) (IX_QMGR_QUELOW_GROUP);
}
ixOsalMutexUnlock (&ixEthAccCodeletDispatcherPollRunning);
/* Exit the thread */
}
IX_STATUS
ixEthAccCodeletDispatcherStop(BOOL useInterrupt)
{
if(useInterrupt) /* Interrupt mode */
{
/*
* Unhook the QM QLOW dispatcher to the interrupt controller.
*/
if (ixOsalIrqUnbind(IX_ETH_CODELET_QMGR_IRQ) != IX_SUCCESS)
{
printf("Dispatcher: Failed to unbind to QM1 interrupt\n");
return (IX_FAIL);
}
}
else
{
if (!ixEthAccCodeletDispatcherPollStopTrigger)
{
ixEthAccCodeletDispatcherPollStopTrigger = TRUE;
if (ixOsalMutexLock (&ixEthAccCodeletDispatcherPollRunning,
IX_OSAL_WAIT_FOREVER) != IX_SUCCESS)
{
printf("Dispatcher: Error stopping QMgr Dispatcher thread!\n");
return (IX_FAIL);
}
ixOsalMutexUnlock (&ixEthAccCodeletDispatcherPollRunning);
ixOsalMutexDestroy(&ixEthAccCodeletDispatcherPollRunning);
}
}
ixEthAccCodeletDispatcherInitialized = FALSE;
return (IX_SUCCESS);
}
/*
* Function definition: ixEthAccCodeletDBMaintenanceStop()
*
* Stop the EDB Maintenance task
*/
IX_STATUS
ixEthAccCodeletDBMaintenanceStop(void)
{
if (!(ixEthAccCodeletDBMaintenanceTaskStopTrigger))
{
ixEthAccCodeletDBMaintenanceTaskStopTrigger = TRUE;
if (ixOsalMutexLock (&ixEthAccCodeletDBMaintenanceTaskRunning, IX_OSAL_WAIT_FOREVER)
!= IX_SUCCESS)
{
printf("DBLearning: Error stopping Database Maintenance thread!\n");
return (IX_FAIL);
}
ixOsalMutexUnlock (&ixEthAccCodeletDBMaintenanceTaskRunning);
ixOsalMutexDestroy(&ixEthAccCodeletDBMaintenanceTaskRunning);
}
ixEthAccCodeletDBMaintenanceInitialized = FALSE;
return (IX_SUCCESS);
}
/**
* @brief general-purpose NPE callback function
*
* @param npeID NPE ID
* @param msg NPE message
*
* This function will unblock the caller by unlocking
* the npeAckLock mutex defined for each NPE port
*
* @internal
*/
IX_ETH_DB_PUBLIC
void ixEthDBNpeMsgAck(IxNpeMhNpeId npeID, IxNpeMhMessage msg)
{
IxEthDBPortId portID = IX_ETH_DB_NPE_TO_PORT_ID(npeID);
PortInfo *portInfo;
if (portID >= IX_ETH_DB_NUMBER_OF_PORTS)
{
/* invalid port */
return;
}
if (ixEthDBPortDefinitions[portID].type != IX_ETH_NPE)
{
/* not an NPE */
return;
}
portInfo = &ixEthDBPortInfo[portID];
ixOsalMutexUnlock(&portInfo->npeAckLock);
}
PRIVATE void ixEthAccCodeletDBMaintenanceTask (void* arg, void** ptrRetObj)
{
UINT32 count;
ixEthAccCodeletDBMaintenanceTaskStopTrigger = FALSE;
if (ixOsalMutexLock (&ixEthAccCodeletDBMaintenanceTaskRunning, IX_OSAL_WAIT_FOREVER)
!= IX_SUCCESS)
{
printf("DbLearning: Error starting Database Maintenance thread! Failed to lock mutex.\n");
return;
}
while (1)
{
/*
* The Database maintenance function must be called at a period
* of approximately IX_ETH_DB_MAINTENANCE_TIME seconds
* regardless of whether learning is enabled or not.
*/
for (count = 0; count < IX_ETH_DB_MAINTENANCE_TIME; count++)
{
ixOsalSleep(1000); /* 1000 milliseconds */
if (ixEthAccCodeletDBMaintenanceTaskStopTrigger)
{
break; /* Exit the delay loop */
}
}
if (ixEthAccCodeletDBMaintenanceTaskStopTrigger)
{
break; /* Exit the thread loop */
}
ixEthDBDatabaseMaintenance();
}
ixOsalMutexUnlock (&ixEthAccCodeletDBMaintenanceTaskRunning);
}
/**
* @brief initializes the event queue and the event processor
*
* This function is called by the component initialization
* function, ixEthDBInit().
*
* @warning do not call directly
*
* @return IX_ETH_DB_SUCCESS if the operation completed
* successfully or IX_ETH_DB_FAIL otherwise
*
* @internal
*/
IX_ETH_DB_PUBLIC
IxEthDBStatus ixEthDBStartLearningFunction(void)
{
IxOsalThread eventProcessorThread;
IxOsalThreadAttr threadAttr;
threadAttr.name = "EthDB event thread";
threadAttr.stackSize = 32 * 1024; /* 32kbytes */
threadAttr.priority = 128;
/* reset event queue */
ixOsalMutexLock(&eventQueueLock, IX_OSAL_WAIT_FOREVER);
RESET_QUEUE(&eventQueue);
ixOsalMutexUnlock(&eventQueueLock);
/* init event queue semaphore */
if (ixOsalSemaphoreInit(&eventQueueSemaphore, 0) != IX_SUCCESS)
{
return IX_ETH_DB_FAIL;
}
ixEthDBLearningShutdown = FALSE;
/* create processor loop thread */
if (ixOsalThreadCreate(&eventProcessorThread, &threadAttr, ixEthDBEventProcessorLoop, NULL) != IX_SUCCESS)
{
return IX_ETH_DB_FAIL;
}
/* start event processor */
ixOsalThreadStart(&eventProcessorThread);
return IX_ETH_DB_SUCCESS;
}
/**
* @brief Unlocks learning tree updates and port disable
*
*
* This function unlocks a portUpdateLock mutex. It is primarily used
* to avoid executing 'port disable' during ELT maintenance.
*
* @internal
*/
IX_ETH_DB_PUBLIC
void ixEthDBUpdateUnlock(void)
{
ixOsalMutexUnlock(&portUpdateLock);
}
/**
* @brief Ethernet event processor loop
*
* Extracts at most EVENT_PROCESSING_LIMIT batches of events and
* sends them for processing to @ref ixEthDBProcessEvent().
* Triggers port updates which normally follow learning events.
*
* @warning do not call directly, executes in separate thread
*
* @internal
*/
IX_ETH_DB_PUBLIC
void ixEthDBEventProcessorLoop(void *unused1)
{
IxEthDBPortMap triggerPorts;
IxEthDBPortId portIndex;
ixEthDBEventProcessorRunning = TRUE;
IX_ETH_DB_EVENTS_TRACE("DB: (Events) Event processor loop was started\n");
while (!ixEthDBLearningShutdown)
{
BOOL keepProcessing = TRUE;
UINT32 processedEvents = 0;
if (ixEthDBEventProcessorPausing == TRUE)
{
/* 100 ms*/
ixOsalSleep(100);
continue;
}
IX_ETH_DB_EVENTS_VERBOSE_TRACE("DB: (Events) Waiting for new learning event...\n");
ixOsalSemaphoreWait(&eventQueueSemaphore, IX_OSAL_WAIT_FOREVER);
IX_ETH_DB_EVENTS_VERBOSE_TRACE("DB: (Events) Received new event\n");
if (!ixEthDBLearningShutdown)
{
/* port update handling */
SET_EMPTY_DEPENDENCY_MAP(triggerPorts);
while (keepProcessing)
{
PortEvent local_event;
UINT32 intLockKey;
/* lock queue */
ixOsalMutexLock(&eventQueueLock, IX_OSAL_WAIT_FOREVER);
/* lock NPE interrupts */
intLockKey = ixOsalIrqLock();
/* extract event */
local_event = *(QUEUE_TAIL(&eventQueue));
SHIFT_UPDATE_QUEUE(&eventQueue);
ixOsalIrqUnlock(intLockKey);
ixOsalMutexUnlock(&eventQueueLock);
IX_ETH_DB_EVENTS_TRACE("DB: (Events) Processing event with ID 0x%X\n", local_event.eventType);
ixEthDBProcessEvent(&local_event, triggerPorts);
processedEvents++;
if (processedEvents > EVENT_PROCESSING_LIMIT /* maximum burst reached? */
|| ixOsalSemaphoreTryWait(&eventQueueSemaphore) != IX_SUCCESS) /* or empty queue? */
{
keepProcessing = FALSE;
}
}
/* Added a pause check here to prevent NPE message
* from being sent from ixEthDBUpdatePortLearningTrees()
*/
while (ixEthDBEventProcessorPausing == TRUE)
{
/* 100 ms*/
ixOsalSleep(100);
}
ixEthDBUpdatePortLearningTrees(triggerPorts);
}
}
/* turn off automatic updates */
for (portIndex = 0 ; portIndex < IX_ETH_DB_NUMBER_OF_PORTS ; portIndex++)
{
ixEthDBPortInfo[portIndex].updateMethod.updateEnabled = FALSE;
}
ixEthDBEventProcessorRunning = FALSE;
}
IX_STATUS
ixQMgrQConfig (char *qName,
IxQMgrQId qId,
IxQMgrQSizeInWords qSizeInWords,
IxQMgrQEntrySizeInWords qEntrySizeInWords)
{
UINT32 aqmLocalBaseAddress;
if (!cfgInitialized)
{
return IX_FAIL;
}
if (!IX_QMGR_QID_IS_VALID(qId))
{
return IX_QMGR_INVALID_Q_ID;
}
else if (NULL == qName)
{
return IX_QMGR_PARAMETER_ERROR;
}
else if (strlen (qName) > IX_QMGR_MAX_QNAME_LEN)
{
return IX_QMGR_PARAMETER_ERROR;
}
else if (!qSizeInWordsIsOk (qSizeInWords))
{
return IX_QMGR_INVALID_QSIZE;
}
else if (!qEntrySizeInWordsIsOk (qEntrySizeInWords))
{
return IX_QMGR_INVALID_Q_ENTRY_SIZE;
}
else if (cfgQueueInfo[qId].isConfigured)
{
return IX_QMGR_Q_ALREADY_CONFIGURED;
}
ixOsalMutexLock(&ixQMgrQCfgMutex, IX_OSAL_WAIT_FOREVER);
/* Write the config register */
ixQMgrAqmIfQueCfgWrite (qId,
qSizeInWords,
qEntrySizeInWords,
freeSramAddress);
strcpy (cfgQueueInfo[qId].qName, qName);
cfgQueueInfo[qId].qSizeInWords = qSizeInWords;
cfgQueueInfo[qId].qEntrySizeInWords = qEntrySizeInWords;
/* store pre-computed information in the same cache line
* to facilitate inlining of QRead and QWrite functions
* in IxQMgr.h
*/
ixQMgrQInlinedReadWriteInfo[qId].qReadCount = 0;
ixQMgrQInlinedReadWriteInfo[qId].qWriteCount = 0;
ixQMgrQInlinedReadWriteInfo[qId].qEntrySizeInWords = qEntrySizeInWords;
ixQMgrQInlinedReadWriteInfo[qId].qSizeInEntries =
(UINT32)qSizeInWords / (UINT32)qEntrySizeInWords;
/* Calculate the new freeSramAddress from the size of the queue
* currently being configured.
*/
freeSramAddress += (qSizeInWords * IX_QMGR_NUM_BYTES_PER_WORD);
/* Get the virtual SRAM address */
ixQMgrAqmIfBaseAddressGet (&aqmLocalBaseAddress);
IX_OSAL_ASSERT((freeSramAddress - (aqmLocalBaseAddress + (IX_QMGR_QUEBUFFER_SPACE_OFFSET))) <=
IX_QMGR_QUE_BUFFER_SPACE_SIZE);
/* The queue is now configured */
cfgQueueInfo[qId].isConfigured = TRUE;
ixOsalMutexUnlock(&ixQMgrQCfgMutex);
#ifndef NDEBUG
/* Update statistics */
stats.qStats[qId].isConfigured = TRUE;
stats.qStats[qId].qName = cfgQueueInfo[qId].qName;
#endif
return IX_SUCCESS;
}
/*********************************************************************
* ixEthAccMiiReadRtn - read a 16 bit value from a PHY
*/
IxEthAccStatus
ixEthAccMiiReadRtn (UINT8 phyAddr,
UINT8 phyReg,
UINT16 *value)
{
UINT32 mdioCommand;
UINT32 regval;
UINT32 miiTimeout;
if (!IX_ETH_ACC_IS_SERVICE_INITIALIZED())
{
return (IX_ETH_ACC_FAIL);
}
if ((phyAddr >= IXP425_ETH_ACC_MII_MAX_ADDR)
|| (phyReg >= IXP425_ETH_ACC_MII_MAX_REG))
{
return (IX_ETH_ACC_FAIL);
}
if (value == NULL)
{
return (IX_ETH_ACC_FAIL);
}
ixOsalMutexLock(&miiAccessLock, IX_OSAL_WAIT_FOREVER);
mdioCommand = phyReg << IX_ETH_ACC_MII_REG_SHL
| phyAddr << IX_ETH_ACC_MII_ADDR_SHL;
mdioCommand |= IX_ETH_ACC_MII_GO;
ixEthAccMdioCmdWrite(mdioCommand);
miiTimeout = ixEthAccMiiRetryCount;
while(miiTimeout)
{
ixEthAccMdioCmdRead(®val);
if((regval & IX_ETH_ACC_MII_GO) == 0x0)
{
break;
}
/* Sleep for a while */
ixOsalSleep(ixEthAccMiiAccessTimeout);
miiTimeout--;
}
if(miiTimeout == 0)
{
ixOsalMutexUnlock(&miiAccessLock);
*value = 0xffff;
return IX_ETH_ACC_FAIL;
}
ixEthAccMdioStatusRead(®val);
if(regval & IX_ETH_ACC_MII_READ_FAIL)
{
ixOsalMutexUnlock(&miiAccessLock);
*value = 0xffff;
return IX_ETH_ACC_FAIL;
}
*value = regval & 0xffff;
ixOsalMutexUnlock(&miiAccessLock);
return IX_ETH_ACC_SUCCESS;
}
IX_STATUS ixEthAccCodeletUninit(void)
{
IxEthAccPortId portId;
IxEthAccStatus status;
if(!ixEthAccCodeletInitialised)
{
/* already uninitialized */
return(IX_SUCCESS);
}
if (!ixEthAccCodeletStatsPollTaskStop)
{
ixEthAccCodeletStatsPollTaskStop = TRUE;
if (ixOsalMutexLock (&ixEthAccCodeletStatsPollTaskRunning,
IX_OSAL_WAIT_FOREVER)
!= IX_SUCCESS)
{
printf("CodeletMain: Error stopping Statistics Polling thread!\n");
return (IX_FAIL);
}
ixOsalMutexUnlock (&ixEthAccCodeletStatsPollTaskRunning);
}
for (portId = IX_ETH_PORT_1; portId < IX_ETHACC_CODELET_MAX_PORT; portId++)
{
status = ixEthAccPortDisable (portId);
if (IX_ETH_ACC_SUCCESS != status)
{
printf("CodeletMain: Failed to disable port %d, error code %d\n", portId, status);
return (IX_FAIL);
}
}
if (ixEthAccCodeletDBMaintenanceStop() != IX_SUCCESS)
{
printf("CodeletMain: Error stopping DB Maintenance task!\n");
return (IX_FAIL);
}
if (ixEthAccUninit() != IX_SUCCESS)
{
printf("CodeletMain: Failed to uninitialize Ethernet Access Layer!\n");
return (IX_FAIL);
}
#ifdef __ixp46X
if (ixNpeDlNpeStopAndReset(IX_NPEDL_NPEID_NPEA) != IX_SUCCESS)
{
printf("CodeletMain: Failed to stop and reset NPE A!\n");
return (IX_FAIL);
}
#endif
if (ixNpeDlNpeStopAndReset(IX_NPEDL_NPEID_NPEB) != IX_SUCCESS)
{
printf("CodeletMain: Failed to stop and reset NPE B!\n");
return (IX_FAIL);
}
if (ixNpeDlNpeStopAndReset(IX_NPEDL_NPEID_NPEC) != IX_SUCCESS)
{
printf("CodeletMain: Failed to stop and reset NPE C!\n");
return (IX_FAIL);
}
if (ixNpeDlUnload() != IX_SUCCESS)
{
printf("CodeletMain: Failed to unload NPE Downloader!\n");
return (IX_FAIL);
}
if (ixNpeMhUnload() != IX_SUCCESS)
{
printf("CodeletMain: Failed to unload NPE Message Handler!\n");
return (IX_FAIL);
}
if (ixEthAccCodeletDispatcherStop(IX_ETH_CODELET_QMGR_DISPATCH_MODE)
!= IX_SUCCESS)
{
printf("CodeletMain: Error stopping QMgr Dispatcher loop!\n");
return (IX_FAIL);
}
if (ixQMgrUnload() != IX_SUCCESS)
{
printf("CodeletMain: Failed to unload QMgr!\n");
return (IX_FAIL);
}
if (ixEthAccCodeletMemPoolFree() != IX_SUCCESS)
{
printf("CodeletMain: Failed to free memory pool!\n");
return (IX_FAIL);
}
ixEthAccCodeletInitialised = FALSE;
return (IX_SUCCESS);
}
/**
* @fn void ixEthAccCodeletStatsPollTask
*
* This task polls the Codelet Stats and displays the rate of Rx and
* Tx packets per second.
*
*/
PRIVATE void ixEthAccCodeletStatsPollTask(void* arg, void** ptrRetObj)
{
int portNo = 0;
static char stillRunning[] = "|/-\\";
static int stillRunningIndex = 0;
static char displayString[20 + (21 * IX_ETHACC_CODELET_MAX_PORT)];
static char *stringPtr;
static UINT32 busTimestampEnd = 0;
static UINT32 busTimestampStart = 0;
static UINT32 pTimeCycles = 0;
static UINT64 rxCount = 0;
static UINT64 txCount = 0;
static UINT64 pTimeUsecs = 0;
ixEthAccCodeletStatsPollTaskStop = FALSE;
if (ixOsalMutexLock (&ixEthAccCodeletStatsPollTaskRunning,
IX_OSAL_WAIT_FOREVER) != IX_SUCCESS)
{
printf("CodeletMain: Error starting Stats thread! Failed to lock mutex.\n");
return;
}
while (1)
{
while (ixEthAccCodeletTrafficPollEnabled == FALSE)
{
/* Sleep 1 sec */
ixOsalSleep(1000);
if (ixEthAccCodeletStatsPollTaskStop)
{
break; /* Exit the thread */
}
}
if (ixEthAccCodeletStatsPollTaskStop)
{
break; /* Exit the thread */
}
printf("\n");
#ifdef __wince
printf("\r");
#endif
for(portNo=0; portNo<IX_ETHACC_CODELET_MAX_PORT; portNo++)
{
printf("Port%d Rates: |",portNo);
}
printf("\n");
#ifdef __wince
printf("\r");
#endif
for(portNo=0; portNo<IX_ETHACC_CODELET_MAX_PORT; portNo++)
{
printf("=====================");
}
printf("=\n");
#ifdef __wince
printf("\r");
#endif
/* reset the stats */
for(portNo=0; portNo<IX_ETHACC_CODELET_MAX_PORT; portNo++)
{
ixEthAccCodeletStats[portNo].rxCount=0;
ixEthAccCodeletStats[portNo].txCount=0;
}
while (ixEthAccCodeletTrafficPollEnabled)
{
busTimestampStart = ixOsalTimestampGet();
/* Sleep approximatively 1 sec */
ixOsalSleep(1000);
/* check if the task should stop */
if (ixEthAccCodeletStatsPollTaskStop)
{
break; /* Exit the thread */
}
if (ixEthAccCodeletTrafficPollEnabled)
{
/* \r : reset print curser to beginning of line */
stringPtr = displayString;
*stringPtr++ = '\r';
for(portNo=0; portNo<IX_ETHACC_CODELET_MAX_PORT; portNo++)
{
/* get a snapshot */
busTimestampEnd = ixOsalTimestampGet();
rxCount = ixEthAccCodeletStats[portNo].rxCount;
txCount = ixEthAccCodeletStats[portNo].txCount;
/* Got stats, now clear counters */
ixEthAccCodeletStats[portNo].rxCount=0;
ixEthAccCodeletStats[portNo].txCount=0;
/* get the measurement interval using a unsigned
* subtraction in order to handle wrap-around. The time unit
* is in APB bus cycles.
*/
pTimeCycles = busTimestampEnd - busTimestampStart;
/* convert the time in APB bus cycles to microseconds
*
* multiplications are done before divisions and
* will not overflow the UINT64.
*/
pTimeUsecs = (UINT64)pTimeCycles;
pTimeUsecs = IX_ETHACC_CODELET_MULDIV(pTimeUsecs,
IX_ETHACC_CODELET_PCLOCK_DIVIDER,
IX_ETHACC_CODELET_XCLOCK_FREQ);
if (!pTimeUsecs)
{
/* time may be 0 as the result of the previous operation
* In this case (very unlikely to occur),
* just skip the remaining of this loop.
* The display will not be updated before the next
* loop.
*/
continue;
}
/* convert from the packet count to a rate in pkts per second
*
* rate = pkts * usecsPerSec / timeUsec
*
* multiplications are done before divisions and
* will not overflow the UINT64.
*/
rxCount = IX_ETHACC_CODELET_MULDIV(rxCount,
IX_ETHACC_CODELET_USEC_PER_SEC, pTimeUsecs);
txCount = IX_ETHACC_CODELET_MULDIV(txCount,
IX_ETHACC_CODELET_USEC_PER_SEC, pTimeUsecs);
/* print stats */
stringPtr += sprintf(stringPtr, "Rx:%6u Tx:%6u |",
(unsigned)rxCount,
(unsigned)txCount);
}
*stringPtr++ = stillRunning[stillRunningIndex++ & 3];
*stringPtr = 0;
printf("%s", displayString);
}
}
printf("\n");
#ifdef __wince
printf("\r");
#endif
}
ixOsalMutexUnlock (&ixEthAccCodeletStatsPollTaskRunning);
}
