/**
* @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;
}
/**
* @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;
}
/**
* @brief Restore the states of EthDB Features
*
* @param portID ID of the port
*
* See IxEthDB.h for more details.
*/
IX_ETH_DB_PUBLIC
IxEthDBStatus ixEthDBFeatureStatesRestore(IxEthDBPortId portID)
{
PortInfo *portInfo = &ixEthDBPortInfo[portID];
/* Check whether port if enabled */
IX_ETH_DB_CHECK_PORT_INITIALIZED(portID);
IX_ETH_DB_CHECK_PORT(portID);
/* ======================== Basic ==========================
* Set up Port MAC Address
*/
if (ixEthDBPortAddressSet(portID, &(portInfo->macAddr)) != IX_SUCCESS)
{
return IX_ETH_DB_FAIL;
}
/*
* Set up Port Max Rx/Tx frame lengths
*/
if(ixEthDBPortFrameLengthsUpdate(portID) != IX_SUCCESS)
{
return IX_ETH_DB_FAIL;
}
/* ======================== VLAN/QoS ==========================
* Only performs VLAN feature update if it is enabled before
*/
if ((portInfo->featureStatus & IX_ETH_DB_VLAN_QOS) != 0)
{
/* Set VLAN Rx tag mode */
if (ixEthDBIngressVlanModeUpdate(portID) != IX_SUCCESS)
{
return IX_ETH_DB_FAIL;
}
/* Set Default Rx VID */
if (ixEthDBPortVlanTagSet(portID, portInfo->vlanTag) != IX_SUCCESS)
{
return IX_ETH_DB_FAIL;
}
/* Set PortID extraction mode */
if (ixEthDBVlanPortExtractionEnable(portID, portInfo->portIdExtractionEnable) != IX_SUCCESS)
{
return IX_ETH_DB_FAIL;
}
/* Set VLAN Table */
if (ixEthDBVlanTableRangeUpdate(portID) != IX_SUCCESS)
{
return IX_ETH_DB_FAIL;
}
} /* VLAN/QoS */
/* ======================== Firewall ==========================
* Only performs Firewall feature update if it is enabled before
*/
if ((portInfo->featureStatus & IX_ETH_DB_FIREWALL) != 0)
{
if(ixEthDBFirewallTableDownload(portID) != IX_SUCCESS)
{
return IX_ETH_DB_FAIL;
}
} /* Firewall */
/* ===================== Header Conversion ==========================
* Only performs Header Conversion feature update if it is enabled before
*/
if ((portInfo->featureStatus & IX_ETH_DB_WIFI_HEADER_CONVERSION) != 0)
{
/* Update WiFi FC & DID */
if (ixEthDBWiFiFrameControlDurationIDUpdate(portID) != IX_SUCCESS)
{
return IX_ETH_DB_FAIL;
}
/* Update BSSID */
if (ixEthDBWiFiBSSIDSet(portID, (IxEthDBMacAddr *) portInfo->bssid) != IX_SUCCESS)
{
return IX_ETH_DB_FAIL;
}
/* Update Header Conversion Table & AP MAC Table */
if (ixEthDBWiFiConversionTableDownload(portID) != IX_ETH_DB_SUCCESS)
{
return IX_ETH_DB_FAIL;
}
} /* Header Conversion */
/* ====================== Learning & Filtering ==========================
* Learning & Filtering feature update is not neccessary as we can rely
* on EthNPE to learn the src address again. As for the entry added by client
* earlier, it will be lost. This is the constraint as the mechanism to retrieve
* the entry that has been added by client from NPE is not trivial.
*/
/* ============================== STP ===================================
* Only performs STP feature update if it is enabled before
*/
if ((portInfo->featureStatus & IX_ETH_DB_SPANNING_TREE_PROTOCOL) != 0)
{
if (ixEthDBSpanningTreeBlockingStateSet(portID, portInfo->stpBlocked) != IX_SUCCESS)
{
return IX_ETH_DB_FAIL;
}
}
return IX_ETH_DB_SUCCESS;
}