/***************************************************************** * * 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); }