Пример #1
0
IX_ETH_DB_PUBLIC
IxEthDBStatus ixEthDBDatabaseClear(IxEthDBPortId portID, IxEthDBRecordType recordType)
{
    IxEthDBPortMap triggerPorts;
    HashIterator iterator;

    if (portID >= IX_ETH_DB_NUMBER_OF_PORTS && portID != IX_ETH_DB_ALL_PORTS)
    {
        return IX_ETH_DB_INVALID_PORT;
    }

    /* check if the user passes some extra bits */
    if ((recordType | IX_ETH_DB_ALL_RECORD_TYPES) != IX_ETH_DB_ALL_RECORD_TYPES)
    {
        return IX_ETH_DB_INVALID_ARG;
    }

    SET_EMPTY_DEPENDENCY_MAP(triggerPorts);
    
    /* browse database and age entries */
    BUSY_RETRY(ixEthDBInitHashIterator(&dbHashtable, &iterator));

    while (IS_ITERATOR_VALID(&iterator))
    {
        MacDescriptor *descriptor = (MacDescriptor *) iterator.node->data;

        if (((descriptor->portID == portID) || (portID == IX_ETH_DB_ALL_PORTS))
            && ((descriptor->type & recordType) != 0))
        {
            /* add to trigger if automatic updates are required */
            if (ixEthDBPortUpdateRequired[descriptor->type])
            {
                /* add port to the set of update trigger ports */
                JOIN_PORT_TO_MAP(triggerPorts, descriptor->portID);
            }

            /* delete entry */
            BUSY_RETRY(ixEthDBRemoveEntryAtHashIterator(&dbHashtable, &iterator));
        }
        else
        {
            /* move to the next record */
            BUSY_RETRY(ixEthDBIncrementHashIterator(&dbHashtable, &iterator));
        }
    }

    /* update ports which lost records */
    ixEthDBUpdatePortLearningTrees(triggerPorts);
    
    return IX_ETH_DB_SUCCESS;
}
Пример #2
0
/**
 * @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;
}
Пример #3
0
/**
 * @brief disables a port
 *
 * @param portID ID of the port to disable
 *
 * This function is fully documented in the
 * main header file, IxEthDB.h
 *
 * @return IX_ETH_DB_SUCCESS if disabling was
 * successful or an appropriate error message 
 * otherwise
 */
IX_ETH_DB_PUBLIC
IxEthDBStatus ixEthDBPortDisable(IxEthDBPortId portID)
{
    HashIterator iterator;
    IxEthDBPortMap triggerPorts; /* ports who will have deleted records and therefore will need updating */
    BOOL result;
    PortInfo *portInfo;
    IxEthDBFeature learningEnabled;
    IxEthDBPriorityTable classZeroTable;

    IX_ETH_DB_CHECK_PORT_EXISTS(portID);

    IX_ETH_DB_CHECK_SINGLE_NPE(portID);
    
    portInfo = &ixEthDBPortInfo[portID];

    if (!portInfo->enabled)
    {
        /* redundant */
        return IX_ETH_DB_SUCCESS;
    }

    if (ixEthDBPortDefinitions[portID].type == IX_ETH_NPE)
    {
        /* save filtering state */
        ixEthDBPortState[portID].firewallMode            = portInfo->firewallMode;
        ixEthDBPortState[portID].frameFilter             = portInfo->frameFilter;
        ixEthDBPortState[portID].taggingAction           = portInfo->taggingAction;
        ixEthDBPortState[portID].stpBlocked              = portInfo->stpBlocked;
        ixEthDBPortState[portID].srcAddressFilterEnabled = portInfo->srcAddressFilterEnabled;
        ixEthDBPortState[portID].maxRxFrameSize          = portInfo->maxRxFrameSize;
        ixEthDBPortState[portID].maxTxFrameSize          = portInfo->maxTxFrameSize;

        memcpy(ixEthDBPortState[portID].vlanMembership, portInfo->vlanMembership, sizeof (IxEthDBVlanSet));
        memcpy(ixEthDBPortState[portID].transmitTaggingInfo, portInfo->transmitTaggingInfo, sizeof (IxEthDBVlanSet));
        memcpy(ixEthDBPortState[portID].priorityTable, portInfo->priorityTable, sizeof (IxEthDBPriorityTable));

        ixEthDBPortState[portID].saved = TRUE;

        /* now turn off all EthDB filtering features on the port */

        /* VLAN & QoS */
        if ((portInfo->featureCapability & IX_ETH_DB_VLAN_QOS) != 0)
        {
            ixEthDBPortVlanMembershipRangeAdd((IxEthDBPortId) portID, 0, IX_ETH_DB_802_1Q_MAX_VLAN_ID);
            ixEthDBEgressVlanRangeTaggingEnabledSet((IxEthDBPortId) portID, 0, IX_ETH_DB_802_1Q_MAX_VLAN_ID, FALSE);
            ixEthDBAcceptableFrameTypeSet((IxEthDBPortId) portID, IX_ETH_DB_ACCEPT_ALL_FRAMES);
            ixEthDBIngressVlanTaggingEnabledSet((IxEthDBPortId) portID, IX_ETH_DB_PASS_THROUGH);

            memset(classZeroTable, 0, sizeof (classZeroTable));
            ixEthDBPriorityMappingTableSet((IxEthDBPortId) portID, classZeroTable);
        }

        /* STP */
        if ((portInfo->featureCapability & IX_ETH_DB_SPANNING_TREE_PROTOCOL) != 0)
        {
            ixEthDBSpanningTreeBlockingStateSet((IxEthDBPortId) portID, FALSE);
        }

        /* Firewall */
        if ((portInfo->featureCapability & IX_ETH_DB_FIREWALL) != 0)
        {
            ixEthDBFirewallModeSet((IxEthDBPortId) portID, IX_ETH_DB_FIREWALL_BLACK_LIST);
            ixEthDBFirewallTableDownload((IxEthDBPortId) portID);
            ixEthDBFirewallInvalidAddressFilterEnable((IxEthDBPortId) portID, FALSE);
        }

        /* Frame size filter */
        ixEthDBFilteringPortMaximumFrameSizeSet((IxEthDBPortId) portID, IX_ETH_DB_DEFAULT_FRAME_SIZE);

        /* WiFi */
        if ((portInfo->featureCapability & IX_ETH_DB_WIFI_HEADER_CONVERSION) != 0)
        {
            ixEthDBWiFiConversionTableDownload((IxEthDBPortId) portID);
        }

        /* save and disable the learning feature bit */
        learningEnabled          = portInfo->featureStatus & IX_ETH_DB_LEARNING;
        portInfo->featureStatus &= ~IX_ETH_DB_LEARNING;
    }
    else
    {
        /* save the learning feature bit */
        learningEnabled          = portInfo->featureStatus & IX_ETH_DB_LEARNING;
    }
    
    SET_EMPTY_DEPENDENCY_MAP(triggerPorts);
    
    ixEthDBUpdateLock();
    
    /* wipe out current entries for this port */
    BUSY_RETRY(ixEthDBInitHashIterator(&dbHashtable, &iterator));

    while (IS_ITERATOR_VALID(&iterator))
    {
        MacDescriptor *descriptor =  (MacDescriptor *) iterator.node->data;
    
        /* check if the port match. If so, remove the entry  */
        if (descriptor->portID == portID 
                && (descriptor->type == IX_ETH_DB_FILTERING_RECORD || descriptor->type == IX_ETH_DB_FILTERING_VLAN_RECORD)
                && !descriptor->recordData.filteringData.staticEntry)
        {
            /* delete entry */
            BUSY_RETRY(ixEthDBRemoveEntryAtHashIterator(&dbHashtable, &iterator));
            
            /* add port to the set of update trigger ports */
            JOIN_PORT_TO_MAP(triggerPorts, portID);
        }
        else
        {
            /* move to the next record */
            BUSY_RETRY(ixEthDBIncrementHashIterator(&dbHashtable, &iterator));
        }
    }
    
    if (ixEthDBPortDefinitions[portID].type == IX_ETH_NPE)
    {
        if (portInfo->updateMethod.searchTree != NULL)
        {
            ixEthDBFreeMacTreeNode(portInfo->updateMethod.searchTree);
            portInfo->updateMethod.searchTree = NULL;
        }

        ixEthDBNPEUpdateHandler(portID, IX_ETH_DB_FILTERING_RECORD);
    }

    /* mark as disabled */
    portInfo->enabled = FALSE;
    
    /* disable updates unless the user has specifically altered the default behavior */
    if (ixEthDBPortDefinitions[portID].type == IX_ETH_NPE)
    {
        if (!portInfo->updateMethod.userControlled)
        {  
            portInfo->updateMethod.updateEnabled = FALSE;
        }
            
        /* make sure we re-initialize the NPE learning tree when the port is re-enabled */
        portInfo->updateMethod.treeInitialized = FALSE;
    }

    ixEthDBUpdateUnlock();

    /* restore learning feature bit */
    portInfo->featureStatus |= learningEnabled;

    /* if we've removed any records or lost any events make sure to force an update */
    IS_EMPTY_DEPENDENCY_MAP(result, triggerPorts);

    if (!result)
    {
        ixEthDBUpdatePortLearningTrees(triggerPorts);
    }
    
    return IX_ETH_DB_SUCCESS;
}
Пример #4
0
/**
 * @brief enables a port
 *
 * @param portID ID of the port to enable
 *
 * This function is fully documented in the main
 * header file, IxEthDB.h
 *
 * @return IX_ETH_DB_SUCCESS if enabling was
 * accomplished, or a meaningful error message otherwise
 */
IX_ETH_DB_PUBLIC
IxEthDBStatus ixEthDBPortEnable(IxEthDBPortId portID)
{
    IxEthDBPortMap triggerPorts;
    PortInfo *portInfo;

    IX_ETH_DB_CHECK_PORT_EXISTS(portID);

    IX_ETH_DB_CHECK_SINGLE_NPE(portID);
    
    portInfo = &ixEthDBPortInfo[portID];
    
    if (portInfo->enabled)
    {
        /* redundant */
        return IX_ETH_DB_SUCCESS;
    }

    SET_DEPENDENCY_MAP(triggerPorts, portID);

    /* mark as enabled */
    portInfo->enabled = TRUE;

    /* Operation stops here when Ethernet Learning is not enabled */
    if(IX_FEATURE_CTRL_SWCONFIG_DISABLED == 
       ixFeatureCtrlSwConfigurationCheck(IX_FEATURECTRL_ETH_LEARNING)) 
    {
        return IX_ETH_DB_SUCCESS;
    } 

    if (ixEthDBPortDefinitions[portID].type == IX_ETH_NPE && !portInfo->macAddressUploaded)
    {
        IX_ETH_DB_SUPPORT_TRACE("DB: (Support) MAC address not set on port %d, enable failed\n", portID);

        /* must use UnicastAddressSet() before enabling an NPE port */
        return IX_ETH_DB_MAC_UNINITIALIZED;
    }

    if (ixEthDBPortDefinitions[portID].type == IX_ETH_NPE)
    {
        IX_ETH_DB_SUPPORT_TRACE("DB: (Support) Attempting to enable the NPE callback for port %d...\n", portID);

        if (!portInfo->updateMethod.userControlled
                && ((portInfo->featureCapability & IX_ETH_DB_FILTERING) != 0))
        {  
            portInfo->updateMethod.updateEnabled = TRUE;
        }
        
        /* if this is first time initialization then we already have
           write access to the tree and can AccessRelease directly */
        if (!portInfo->updateMethod.treeInitialized)
        {
            IX_ETH_DB_SUPPORT_TRACE("DB: (Support) Initializing tree for port %d\n", portID);

            /* create an initial tree and release access into it */
            ixEthDBUpdatePortLearningTrees(triggerPorts);

            /* mark tree as being initialized */
            portInfo->updateMethod.treeInitialized = TRUE;
        }
    }

    if (ixEthDBPortState[portID].saved)
    {
        /* previous configuration data stored, restore state */
        if ((portInfo->featureCapability & IX_ETH_DB_FIREWALL) != 0)
        {
            ixEthDBFirewallModeSet(portID, ixEthDBPortState[portID].firewallMode);
            ixEthDBFirewallInvalidAddressFilterEnable(portID, ixEthDBPortState[portID].srcAddressFilterEnabled);
        }

        if ((portInfo->featureCapability & IX_ETH_DB_VLAN_QOS) != 0)
        {
            ixEthDBAcceptableFrameTypeSet(portID, ixEthDBPortState[portID].frameFilter);
            ixEthDBIngressVlanTaggingEnabledSet(portID, ixEthDBPortState[portID].taggingAction);

            ixEthDBEgressVlanTaggingEnabledSet(portID, ixEthDBPortState[portID].transmitTaggingInfo);
            ixEthDBPortVlanMembershipSet(portID, ixEthDBPortState[portID].vlanMembership);

            ixEthDBPriorityMappingTableSet(portID, ixEthDBPortState[portID].priorityTable);
        }

        if ((portInfo->featureCapability & IX_ETH_DB_SPANNING_TREE_PROTOCOL) != 0)
        {
            ixEthDBSpanningTreeBlockingStateSet(portID, ixEthDBPortState[portID].stpBlocked);
        }

        ixEthDBFilteringPortMaximumRxFrameSizeSet(portID, ixEthDBPortState[portID].maxRxFrameSize);
        ixEthDBFilteringPortMaximumTxFrameSizeSet(portID, ixEthDBPortState[portID].maxTxFrameSize);

        /* discard previous save */
        ixEthDBPortState[portID].saved = FALSE;
    }

    IX_ETH_DB_SUPPORT_TRACE("DB: (Support) Enabling succeeded for port %d\n", portID);

    return IX_ETH_DB_SUCCESS;
}
Пример #5
0
IX_ETH_DB_PUBLIC
void ixEthDBDatabaseMaintenance()
{
    HashIterator iterator;
    UINT32 portIndex;
    BOOL agingRequired = FALSE;

    /* ports who will have deleted records and therefore will need updating */
    IxEthDBPortMap triggerPorts;

    if (IX_FEATURE_CTRL_SWCONFIG_ENABLED !=
        ixFeatureCtrlSwConfigurationCheck (IX_FEATURECTRL_ETH_LEARNING))
    {
        return;
    }

    SET_EMPTY_DEPENDENCY_MAP(triggerPorts);

    /* check if there's at least a port that needs aging */
    for (portIndex = 0 ; portIndex < IX_ETH_DB_NUMBER_OF_PORTS ; portIndex++)
    {
        if (ixEthDBPortInfo[portIndex].agingEnabled && ixEthDBPortInfo[portIndex].enabled)
        {
            agingRequired = TRUE;
        }
    }

    if (agingRequired)
    {
        /* ask each NPE port to write back the database for aging inspection */
        for (portIndex = 0 ; portIndex < IX_ETH_DB_NUMBER_OF_PORTS ; portIndex++)
        {
            if (ixEthDBPortDefinitions[portIndex].type == IX_ETH_NPE
                && ixEthDBPortInfo[portIndex].agingEnabled
                && ixEthDBPortInfo[portIndex].enabled)
            {
                IxNpeMhMessage message;
                IX_STATUS result;
                
                /* send EDB_GetMACAddressDatabase message */
                FILL_GETMACADDRESSDATABASE(message, 
                    0 /* unused */, 
                    IX_OSAL_MMU_VIRT_TO_PHYS(ixEthDBPortInfo[portIndex].updateMethod.npeUpdateZone));

                IX_ETHDB_SEND_NPE_MSG(IX_ETHNPE_PHYSICAL_ID_TO_NODE(portIndex), message, result);

                if (result == IX_SUCCESS)
                {
                    /* analyze NPE copy */
                    ixEthDBNPESyncScan(portIndex, ixEthDBPortInfo[portIndex].updateMethod.npeUpdateZone, FULL_ELT_BYTE_SIZE);

                    IX_ETH_DB_SUPPORT_TRACE("DB: (API) Finished scanning NPE tree on port %d\n", portIndex);
                }
                else
                {
                     ixOsalLog(IX_OSAL_LOG_LVL_WARNING,
                        IX_OSAL_LOG_DEV_STDOUT, 
                        "EthDB: (Maintenance) warning, Clearing Database records for all types for port %d\n",
                        portIndex, 0, 0, 0, 0, 0);

                    ixEthDBDatabaseClear(portIndex, IX_ETH_DB_ALL_RECORD_TYPES);
                }
            }
        }

        /* browse database and age entries */
        BUSY_RETRY(ixEthDBInitHashIterator(&dbHashtable, &iterator));

        while (IS_ITERATOR_VALID(&iterator))
        {
            MacDescriptor *descriptor = (MacDescriptor *) iterator.node->data;
            UINT32 *age               = NULL;
            BOOL staticEntry          = TRUE;

            if (descriptor->type == IX_ETH_DB_FILTERING_RECORD)
            {
                age         = &descriptor->recordData.filteringData.age;
                staticEntry = descriptor->recordData.filteringData.staticEntry;
            }
            else if (descriptor->type == IX_ETH_DB_FILTERING_VLAN_RECORD)
            {
                age         = &descriptor->recordData.filteringVlanData.age;
                staticEntry = descriptor->recordData.filteringVlanData.staticEntry;
            }
            else
            {
                staticEntry = TRUE;
            }

            if (ixEthDBPortInfo[descriptor->portID].agingEnabled && (staticEntry == FALSE))
            {
                /* manually increment the age if the port has no such capability */
                if ((ixEthDBPortDefinitions[descriptor->portID].capabilities & IX_ETH_ENTRY_AGING) == 0)
                {
                    *age += (IX_ETH_DB_MAINTENANCE_TIME / 60);
                }

                /* age entry if it exceeded the maximum time to live */
                if (*age >= (IX_ETH_DB_LEARNING_ENTRY_AGE_TIME / 60))
                {
                    /* add port to the set of update trigger ports */
                    JOIN_PORT_TO_MAP(triggerPorts, descriptor->portID);

                    /* delete entry */
                    BUSY_RETRY(ixEthDBRemoveEntryAtHashIterator(&dbHashtable, &iterator));
                }
                else
                {
                    /* move to the next record */
                    BUSY_RETRY(ixEthDBIncrementHashIterator(&dbHashtable, &iterator));
                }
            }
            else
            {
                /* move to the next record */
                BUSY_RETRY(ixEthDBIncrementHashIterator(&dbHashtable, &iterator));
            }
        }

        /* update ports which lost records */
        ixEthDBUpdatePortLearningTrees(triggerPorts);
    }
}