/** * @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; }