/** * @file IxEthDBFeatures.c * * @brief Implementation of the EthDB feature control API * * @par * IXP400 SW Release version 2.0 * * -- Copyright Notice -- * * @par * Copyright 2001-2005, Intel Corporation. * All rights reserved. * * @par * SPDX-License-Identifier: BSD-3-Clause * @par * -- End of Copyright Notice -- */ #include "IxNpeDl.h" #include "IxEthDBQoS.h" #include "IxEthDB_p.h" /** * @brief scans the capabilities of the loaded NPE images * * This function MUST be called by the ixEthDBInit() function. * No EthDB features (including learning and filtering) are enabled * before this function is called. * * @return none * * @internal */ IX_ETH_DB_PUBLIC void ixEthDBFeatureCapabilityScan(void) { IxNpeDlImageId imageId, npeAImageId; IxEthDBPortId portIndex; PortInfo *portInfo; IxEthDBPriorityTable defaultPriorityTable; IX_STATUS result; UINT32 queueIndex; UINT32 queueStructureIndex; UINT32 trafficClassDefinitionIndex; /* read version of NPE A - required to set the AQM queues for B and C */ npeAImageId.functionalityId = 0; ixNpeDlLoadedImageGet(IX_NPEDL_NPEID_NPEA, &npeAImageId); for (portIndex = 0 ; portIndex < IX_ETH_DB_NUMBER_OF_PORTS ; portIndex++) { IxNpeMhMessage msg; portInfo = &ixEthDBPortInfo[portIndex]; /* check and bypass if NPE B or C is fused out */ if (ixEthDBSingleEthNpeCheck(portIndex) != IX_ETH_DB_SUCCESS) continue; /* all ports are capable of LEARNING by default */ portInfo->featureCapability |= IX_ETH_DB_LEARNING; portInfo->featureStatus |= IX_ETH_DB_LEARNING; if (ixEthDBPortDefinitions[portIndex].type == IX_ETH_NPE) { if (ixNpeDlLoadedImageGet(IX_ETH_DB_PORT_ID_TO_NPE(portIndex), &imageId) != IX_SUCCESS) { WARNING_LOG("DB: (FeatureScan) NpeDl did not provide the image ID for NPE port %d\n", portIndex); } else { /* initialize and empty NPE response mutex */ ixOsalMutexInit(&portInfo->npeAckLock); ixOsalMutexLock(&portInfo->npeAckLock, IX_OSAL_WAIT_FOREVER); /* check NPE response to GetStatus */ msg.data[0] = IX_ETHNPE_NPE_GETSTATUS << 24; msg.data[1] = 0; IX_ETHDB_SEND_NPE_MSG(IX_ETH_DB_PORT_ID_TO_NPE(portIndex), msg, result); if (result != IX_SUCCESS) { WARNING_LOG("DB: (FeatureScan) warning, could not send message to the NPE\n"); continue; } if (imageId.functionalityId == 0x00 || imageId.functionalityId == 0x03 || imageId.functionalityId == 0x04 || imageId.functionalityId == 0x80) { portInfo->featureCapability |= IX_ETH_DB_FILTERING; portInfo->featureCapability |= IX_ETH_DB_FIREWALL; portInfo->featureCapability |= IX_ETH_DB_SPANNING_TREE_PROTOCOL; } else if (imageId.functionalityId == 0x01 || imageId.functionalityId == 0x81) { portInfo->featureCapability |= IX_ETH_DB_FILTERING; portInfo->featureCapability |= IX_ETH_DB_FIREWALL; portInfo->featureCapability |= IX_ETH_DB_SPANNING_TREE_PROTOCOL; portInfo->featureCapability |= IX_ETH_DB_VLAN_QOS; } else if (imageId.functionalityId == 0x02 || imageId.functionalityId == 0x82) { portInfo->featureCapability |= IX_ETH_DB_WIFI_HEADER_CONVERSION; portInfo->featureCapability |= IX_ETH_DB_FIREWALL; portInfo->featureCapability |= IX_ETH_DB_SPANNING_TREE_PROTOCOL; portInfo->featureCapability |= IX_ETH_DB_VLAN_QOS; } /* reset AQM queues */ memset(portInfo->ixEthDBTrafficClassAQMAssignments, 0, sizeof (portInfo->ixEthDBTrafficClassAQMAssignments)); /* ensure there's at least one traffic class record in the definition table, otherwise we have no default case, hence no queues */ IX_ENSURE(sizeof (ixEthDBTrafficClassDefinitions) != 0, "DB: no traffic class definitions found, check IxEthDBQoS.h"); /* find the traffic class definition index compatible with the current NPE A functionality ID */ for (trafficClassDefinitionIndex = 0 ; trafficClassDefinitionIndex < ARRAY_SIZE(ixEthDBTrafficClassDefinitions); trafficClassDefinitionIndex++) { if (ixEthDBTrafficClassDefinitions[trafficClassDefinitionIndex][IX_ETH_DB_NPE_A_FUNCTIONALITY_ID_INDEX] == npeAImageId.functionalityId) { /* found it */ break; } } /* select the default case if we went over the array boundary */ if (trafficClassDefinitionIndex == ARRAY_SIZE(ixEthDBTrafficClassDefinitions)) { trafficClassDefinitionIndex = 0; /* the first record is the default case */ } /* select queue assignment structure based on the traffic class configuration index */ queueStructureIndex = ixEthDBTrafficClassDefinitions[trafficClassDefinitionIndex][IX_ETH_DB_QUEUE_ASSIGNMENT_INDEX]; /* only traffic class 0 is active at initialization time */ portInfo->ixEthDBTrafficClassCount = 1; /* enable port, VLAN and Firewall feature bits to initialize QoS/VLAN/Firewall configuration */ portInfo->featureStatus |= IX_ETH_DB_VLAN_QOS; portInfo->featureStatus |= IX_ETH_DB_FIREWALL; portInfo->enabled = true; #define CONFIG_WITH_VLAN /* test-only: VLAN support not included to save space!!! */ #ifdef CONFIG_WITH_VLAN /* test-only: VLAN support not included to save space!!! */ /* set VLAN initial configuration (permissive) */ if ((portInfo->featureCapability & IX_ETH_DB_VLAN_QOS) != 0) /* QoS-enabled image */ { /* QoS capable */ portInfo->ixEthDBTrafficClassAvailable = ixEthDBTrafficClassDefinitions[trafficClassDefinitionIndex][IX_ETH_DB_TRAFFIC_CLASS_COUNT_INDEX]; /* set AQM queues */ for (queueIndex = 0 ; queueIndex < IX_IEEE802_1Q_QOS_PRIORITY_COUNT ; queueIndex++) { portInfo->ixEthDBTrafficClassAQMAssignments[queueIndex] = ixEthDBQueueAssignments[queueStructureIndex][queueIndex]; } /* set default PVID (0) and default traffic class 0 */ ixEthDBPortVlanTagSet(portIndex, 0); /* enable reception of all frames */ ixEthDBAcceptableFrameTypeSet(portIndex, IX_ETH_DB_ACCEPT_ALL_FRAMES); /* clear full VLAN membership */ ixEthDBPortVlanMembershipRangeRemove(portIndex, 0, IX_ETH_DB_802_1Q_MAX_VLAN_ID); /* clear TTI table - no VLAN tagged frames will be transmitted */ ixEthDBEgressVlanRangeTaggingEnabledSet(portIndex, 0, 4094, false); /* set membership on 0, otherwise no Tx or Rx is working */ ixEthDBPortVlanMembershipAdd(portIndex, 0); } else /* QoS not available in this image */ #endif /* test-only */ { /* initialize traffic class availability (only class 0 is available) */ portInfo->ixEthDBTrafficClassAvailable = 1; /* point all AQM queues to traffic class 0 */ for (queueIndex = 0 ; queueIndex < IX_IEEE802_1Q_QOS_PRIORITY_COUNT ; queueIndex++) { portInfo->ixEthDBTrafficClassAQMAssignments[queueIndex] = ixEthDBQueueAssignments[queueStructureIndex][0]; } } #ifdef CONFIG_WITH_VLAN /* test-only: VLAN support not included to save space!!! */ /* download priority mapping table and Rx queue configuration */ memset (defaultPriorityTable, 0, sizeof (defaultPriorityTable)); ixEthDBPriorityMappingTableSet(portIndex, defaultPriorityTable); #endif /* by default we turn off invalid source MAC address filtering */ ixEthDBFirewallInvalidAddressFilterEnable(portIndex, false); /* disable port, VLAN, Firewall feature bits */ portInfo->featureStatus &= ~IX_ETH_DB_VLAN_QOS; portInfo->featureStatus &= ~IX_ETH_DB_FIREWALL; portInfo->enabled = false; /* enable filtering by default if present */ if ((portInfo->featureCapability & IX_ETH_DB_FILTERING) != 0) { portInfo->featureStatus |= IX_ETH_DB_FILTERING; } } } } } /** * @brief returns the capability of a port * * @param portID ID of the port * @param featureSet location to store the port capability in * * This function will save the capability set of the given port * into the given location. Capabilities are bit-ORed, each representing * a bit of the feature set. * * Note that this function is documented in the main component * public header file, IxEthDB.h. * * @return IX_ETH_DB_SUCCESS if the operation completed successfully * or IX_ETH_DB_INVALID_PORT if the given port is invalid */ IX_ETH_DB_PUBLIC IxEthDBStatus ixEthDBFeatureCapabilityGet(IxEthDBPortId portID, IxEthDBFeature *featureSet) { IX_ETH_DB_CHECK_PORT_INITIALIZED(portID); IX_ETH_DB_CHECK_REFERENCE(featureSet); *featureSet = ixEthDBPortInfo[portID].featureCapability; return IX_ETH_DB_SUCCESS; } /** * @brief enables or disables a port capability * * @param portID ID of the port * @param feature feature to enable or disable * @param enabled true to enable the selected feature or false to disable it * * Note that this function is documented in the main component * header file, IxEthDB.h. * * @return IX_ETH_DB_SUCCESS if the operation completed * successfully or an appropriate error message otherwise */ IX_ETH_DB_PUBLIC IxEthDBStatus ixEthDBFeatureEnable(IxEthDBPortId portID, IxEthDBFeature feature, BOOL enable) { PortInfo *portInfo; IxEthDBPriorityTable defaultPriorityTable; IxEthDBVlanSet vlanSet; IxEthDBStatus status = IX_ETH_DB_SUCCESS; BOOL portEnabled; IX_ETH_DB_CHECK_PORT_INITIALIZED(portID); portInfo = &ixEthDBPortInfo[portID]; portEnabled = portInfo->enabled; /* check that only one feature is selected */ if (!ixEthDBCheckSingleBitValue(feature)) { return IX_ETH_DB_FEATURE_UNAVAILABLE; } /* port capable of this feature? */ if ((portInfo->featureCapability & feature) == 0) { return IX_ETH_DB_FEATURE_UNAVAILABLE; } /* mutual exclusion between learning and WiFi header conversion */ if (enable && ((feature | portInfo->featureStatus) & (IX_ETH_DB_FILTERING | IX_ETH_DB_WIFI_HEADER_CONVERSION)) == (IX_ETH_DB_FILTERING | IX_ETH_DB_WIFI_HEADER_CONVERSION)) { return IX_ETH_DB_NO_PERMISSION; } /* learning must be enabled before filtering */ if (enable && (feature == IX_ETH_DB_FILTERING) && ((portInfo->featureStatus & IX_ETH_DB_LEARNING) == 0)) { return IX_ETH_DB_NO_PERMISSION; } /* filtering must be disabled before learning */ if (!enable && (feature == IX_ETH_DB_LEARNING) && ((portInfo->featureStatus & IX_ETH_DB_FILTERING) != 0)) { return IX_ETH_DB_NO_PERMISSION; } /* redundant enabling or disabling */ if ((!enable && ((portInfo->featureStatus & feature) == 0)) || (enable && ((portInfo->featureStatus & feature) != 0))) { /* do nothing */ return IX_ETH_DB_SUCCESS; } /* force port enabled */ portInfo->enabled = true; if (enable) { /* turn on enable bit */ portInfo->featureStatus |= feature; #ifdef CONFIG_WITH_VLAN /* test-only: VLAN support not included to save space!!! */ /* if this is VLAN/QoS set the default priority table */ if (feature == IX_ETH_DB_VLAN_QOS) { /* turn on VLAN/QoS (most permissive mode): - set default 802.1Q priority mapping table, in accordance to the availability of traffic classes - set the acceptable frame filter to accept all - set the Ingress tagging mode to pass-through - set full VLAN membership list - set full TTI table - set the default 802.1Q tag to 0 (VLAN ID 0, Pri 0, CFI 0) - enable TPID port extraction */ portInfo->ixEthDBTrafficClassCount = portInfo->ixEthDBTrafficClassAvailable; /* set default 802.1Q priority mapping table - note that C indexing starts from 0, so we substract 1 here */ memcpy (defaultPriorityTable, (const void *) ixEthIEEE802_1QUserPriorityToTrafficClassMapping[portInfo->ixEthDBTrafficClassCount - 1], sizeof (defaultPriorityTable)); /* update priority mapping and AQM queue assignments */ status = ixEthDBPriorityMappingTableSet(portID, defaultPriorityTable); if (status == IX_ETH_DB_SUCCESS) { status = ixEthDBAcceptableFrameTypeSet(portID, IX_ETH_DB_ACCEPT_ALL_FRAMES); } if (status == IX_ETH_DB_SUCCESS) { status = ixEthDBIngressVlanTaggingEnabledSet(portID, IX_ETH_DB_PASS_THROUGH); } /* set membership and TTI tables */ memset (vlanSet, 0xFF, sizeof (vlanSet)); if (status == IX_ETH_DB_SUCCESS) { /* use the internal function to bypass PVID check */ status = ixEthDBPortVlanTableSet(portID, portInfo->vlanMembership, vlanSet); } if (status == IX_ETH_DB_SUCCESS) { /* use the internal function to bypass PVID check */ status = ixEthDBPortVlanTableSet(portID, portInfo->transmitTaggingInfo, vlanSet); } /* reset the PVID */ if (status == IX_ETH_DB_SUCCESS) { status = ixEthDBPortVlanTagSet(portID, 0); } /* enable TPID port extraction */ if (status == IX_ETH_DB_SUCCESS) { status = ixEthDBVlanPortExtractionEnable(portID, true); } } else if (feature == IX_ETH_DB_FIREWALL) #endif { /* firewall starts in black-list mode unless otherwise configured before * * note that invalid source MAC address filtering is disabled by default */ if (portInfo->firewallMode != IX_ETH_DB_FIREWALL_BLACK_LIST && portInfo->firewallMode != IX_ETH_DB_FIREWALL_WHITE_LIST) { status = ixEthDBFirewallModeSet(portID, IX_ETH_DB_FIREWALL_BLACK_LIST); if (status == IX_ETH_DB_SUCCESS) { status = ixEthDBFirewallInvalidAddressFilterEnable(portID, false); } } } if (status != IX_ETH_DB_SUCCESS) { /* checks failed, disable */ portInfo->featureStatus &= ~feature; } } else { /* turn off features */ if (feature == IX_ETH_DB_FIREWALL) { /* turning off the firewall is equivalent to: - set to black-list mode - clear all the entries and download the new table - turn off the invalid source address checking */ status = ixEthDBDatabaseClear(portID, IX_ETH_DB_FIREWALL_RECORD); if (status == IX_ETH_DB_SUCCESS) { status = ixEthDBFirewallModeSet(portID, IX_ETH_DB_FIREWALL_BLACK_LIST); } if (status == IX_ETH_DB_SUCCESS) { status = ixEthDBFirewallInvalidAddressFilterEnable(portID, false); } if (status == IX_ETH_DB_SUCCESS) { status = ixEthDBFirewallTableDownload(portID); } } else if (feature == IX_ETH_DB_WIFI_HEADER_CONVERSION) { /* turn off header conversion */ status = ixEthDBDatabaseClear(portID, IX_ETH_DB_WIFI_RECORD); if (status == IX_ETH_DB_SUCCESS) { status = ixEthDBWiFiConversionTableDownload(portID); } } #ifdef CONFIG_WITH_VLAN /* test-only: VLAN support not included to save space!!! */ else if (feature == IX_ETH_DB_VLAN_QOS) { /* turn off VLAN/QoS: - set a priority mapping table with one traffic class - set the acceptable frame filter to accept all - set the Ingress tagging mode to pass-through - clear the VLAN membership list - clear the TTI table - set the default 802.1Q tag to 0 (VLAN ID 0, Pri 0, CFI 0) - disable TPID port extraction */ /* initialize all => traffic class 0 priority mapping table */ memset (defaultPriorityTable, 0, sizeof (defaultPriorityTable)); portInfo->ixEthDBTrafficClassCount = 1; status = ixEthDBPriorityMappingTableSet(portID, defaultPriorityTable); if (status == IX_ETH_DB_SUCCESS) { status = ixEthDBAcceptableFrameTypeSet(portID, IX_ETH_DB_ACCEPT_ALL_FRAMES); } if (status == IX_ETH_DB_SUCCESS) { status = ixEthDBIngressVlanTaggingEnabledSet(portID, IX_ETH_DB_PASS_THROUGH); } /* clear membership and TTI tables */ memset (vlanSet, 0, sizeof (vlanSet)); if (status == IX_ETH_DB_SUCCESS) { /* use the internal function to bypass PVID check */ status = ixEthDBPortVlanTableSet(portID, portInfo->vlanMembership, vlanSet); } if (status == IX_ETH_DB_SUCCESS) { /* use the internal function to bypass PVID check */ status = ixEthDBPortVlanTableSet(portID, portInfo->transmitTaggingInfo, vlanSet); } /* reset the PVID */ if (status == IX_ETH_DB_SUCCESS) { status = ixEthDBPortVlanTagSet(portID, 0); } /* disable TPID port extraction */ if (status == IX_ETH_DB_SUCCESS) { status = ixEthDBVlanPortExtractionEnable(portID, false); } } #endif if (status == IX_ETH_DB_SUCCESS) { /* checks passed, disable */ portInfo->featureStatus &= ~feature; } } /* restore port enabled state */ portInfo->enabled = portEnabled; return status; } /** * @brief returns the status of a feature * * @param portID port ID * @param present location to store a boolean value indicating * if the feature is present (true) or not (false) * @param enabled location to store a booleam value indicating * if the feature is present (true) or not (false) * * Note that this function is documented in the main component * header file, IxEthDB.h. * * @return IX_ETH_DB_SUCCESS if the operation completed * successfully or an appropriate error message otherwise */ IX_ETH_DB_PUBLIC IxEthDBStatus ixEthDBFeatureStatusGet(IxEthDBPortId portID, IxEthDBFeature feature, BOOL *present, BOOL *enabled) { PortInfo *portInfo; IX_ETH_DB_CHECK_PORT(portID); IX_ETH_DB_CHECK_REFERENCE(present); IX_ETH_DB_CHECK_REFERENCE(enabled); portInfo = &ixEthDBPortInfo[portID]; *present = (portInfo->featureCapability & feature) != 0; *enabled = (portInfo->featureStatus & feature) != 0; return IX_ETH_DB_SUCCESS; } /** * @brief returns the value of an EthDB property * * @param portID ID of the port * @param feature feature owning the property * @param property ID of the property * @param type location to store the property type into * @param value location to store the property value into * * Note that this function is documented in the main component * header file, IxEthDB.h. * * @return IX_ETH_DB_SUCCESS if the operation completed * successfully or an appropriate error message otherwise */ IX_ETH_DB_PUBLIC IxEthDBStatus ixEthDBFeaturePropertyGet(IxEthDBPortId portID, IxEthDBFeature feature, IxEthDBProperty property, IxEthDBPropertyType *type, void *value) { IX_ETH_DB_CHECK_PORT_EXISTS(portID); IX_ETH_DB_CHECK_REFERENCE(type); IX_ETH_DB_CHECK_REFERENCE(value); if (feature == IX_ETH_DB_VLAN_QOS) { if (property == IX_ETH_DB_QOS_TRAFFIC_CLASS_COUNT_PROPERTY) { * (UINT32 *) value = ixEthDBPortInfo[portID].ixEthDBTrafficClassCount; *type = IX_ETH_DB_INTEGER_PROPERTY; return IX_ETH_DB_SUCCESS; } else if (property >= IX_ETH_DB_QOS_TRAFFIC_CLASS_0_RX_QUEUE_PROPERTY && property <= IX_ETH_DB_QOS_TRAFFIC_CLASS_7_RX_QUEUE_PROPERTY) { UINT32 classDelta = property - IX_ETH_DB_QOS_TRAFFIC_CLASS_0_RX_QUEUE_PROPERTY; if (classDelta >= ixEthDBPortInfo[portID].ixEthDBTrafficClassCount) { return IX_ETH_DB_FAIL; } * (UINT32 *) value = ixEthDBPortInfo[portID].ixEthDBTrafficClassAQMAssignments[classDelta]; *type = IX_ETH_DB_INTEGER_PROPERTY; return IX_ETH_DB_SUCCESS; } } return IX_ETH_DB_INVALID_ARG; } /** * @brief sets the value of an EthDB property * * @param portID ID of the port * @param feature feature owning the property * @param property ID of the property * @param value location containing the property value * * This function implements a private property intended * only for EthAcc usage. Upon setting the IX_ETH_DB_QOS_QUEUE_CONFIGURATION_COMPLETE * property (the value is ignored), the availability of traffic classes is * frozen to whatever traffic class structure is currently in use. * This means that if VLAN_QOS has been enabled before EthAcc * initialization then all the defined traffic classes will be available; * otherwise only one traffic class (0) will be available. * * Note that this function is documented in the main component * header file, IxEthDB.h as not accepting any parameters. The * current implementation is only intended for the private use of EthAcc. * * Also note that once this function is called the effect is irreversible, * unless EthDB is complete unloaded and re-initialized. * * @return IX_ETH_DB_INVALID_ARG (no read-write properties are * supported in this release) */ IX_ETH_DB_PUBLIC IxEthDBStatus ixEthDBFeaturePropertySet(IxEthDBPortId portID, IxEthDBFeature feature, IxEthDBProperty property, void *value) { IX_ETH_DB_CHECK_PORT_EXISTS(portID); if ((feature == IX_ETH_DB_VLAN_QOS) && (property == IX_ETH_DB_QOS_QUEUE_CONFIGURATION_COMPLETE)) { ixEthDBPortInfo[portID].ixEthDBTrafficClassAvailable = ixEthDBPortInfo[portID].ixEthDBTrafficClassCount; return IX_ETH_DB_SUCCESS; } return IX_ETH_DB_INVALID_ARG; }