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path: root/drivers/net/npe/IxEthDBAPI.c
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Diffstat (limited to 'drivers/net/npe/IxEthDBAPI.c')
-rw-r--r--drivers/net/npe/IxEthDBAPI.c448
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diff --git a/drivers/net/npe/IxEthDBAPI.c b/drivers/net/npe/IxEthDBAPI.c
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+++ b/drivers/net/npe/IxEthDBAPI.c
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+/**
+ * @file IxEthDBAPI.c
+ *
+ * @brief Implementation of the public API
+ *
+ * @par
+ * IXP400 SW Release version 2.0
+ *
+ * -- Copyright Notice --
+ *
+ * @par
+ * Copyright 2001-2005, Intel Corporation.
+ * All rights reserved.
+ *
+ * @par
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Intel Corporation nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @par
+ * -- End of Copyright Notice --
+ */
+
+#include "IxEthDB_p.h"
+#include "IxFeatureCtrl.h"
+
+extern HashTable dbHashtable;
+extern IxEthDBPortMap overflowUpdatePortList;
+extern BOOL ixEthDBPortUpdateRequired[IX_ETH_DB_MAX_RECORD_TYPE_INDEX + 1];
+
+IX_ETH_DB_PUBLIC
+IxEthDBStatus ixEthDBFilteringStaticEntryProvision(IxEthDBPortId portID, IxEthDBMacAddr *macAddr)
+{
+ IX_ETH_DB_CHECK_PORT(portID);
+
+ IX_ETH_DB_CHECK_SINGLE_NPE(portID);
+
+ IX_ETH_DB_CHECK_REFERENCE(macAddr);
+
+ IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_LEARNING);
+
+ return ixEthDBTriggerAddPortUpdate(macAddr, portID, TRUE);
+}
+
+IX_ETH_DB_PUBLIC
+IxEthDBStatus ixEthDBFilteringDynamicEntryProvision(IxEthDBPortId portID, IxEthDBMacAddr *macAddr)
+{
+ IX_ETH_DB_CHECK_PORT(portID);
+
+ IX_ETH_DB_CHECK_SINGLE_NPE(portID);
+
+ IX_ETH_DB_CHECK_REFERENCE(macAddr);
+
+ IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_LEARNING);
+
+ return ixEthDBTriggerAddPortUpdate(macAddr, portID, FALSE);
+}
+
+IX_ETH_DB_PUBLIC
+IxEthDBStatus ixEthDBFilteringEntryDelete(IxEthDBMacAddr *macAddr)
+{
+ HashNode *searchResult;
+
+ IX_ETH_DB_CHECK_REFERENCE(macAddr);
+
+ searchResult = ixEthDBSearch(macAddr, IX_ETH_DB_ALL_FILTERING_RECORDS);
+
+ if (searchResult == NULL)
+ {
+ return IX_ETH_DB_NO_SUCH_ADDR; /* not found */
+ }
+
+ ixEthDBReleaseHashNode(searchResult);
+
+ /* build a remove event and place it on the event queue */
+ return ixEthDBTriggerRemovePortUpdate(macAddr, ((MacDescriptor *) searchResult->data)->portID);
+}
+
+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_ETH_DB_PORT_ID_TO_NPE(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
+ {
+ ixEthDBPortInfo[portIndex].agingEnabled = FALSE;
+ ixEthDBPortInfo[portIndex].updateMethod.updateEnabled = FALSE;
+ ixEthDBPortInfo[portIndex].updateMethod.userControlled = TRUE;
+
+ ixOsalLog(IX_OSAL_LOG_LVL_FATAL,
+ IX_OSAL_LOG_DEV_STDOUT,
+ "EthDB: (Maintenance) warning, disabling aging and updates for port %d (assumed dead)\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);
+ }
+}
+
+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;
+}
+
+IX_ETH_DB_PUBLIC
+IxEthDBStatus ixEthDBFilteringPortSearch(IxEthDBPortId portID, IxEthDBMacAddr *macAddr)
+{
+ HashNode *searchResult;
+ IxEthDBStatus result = IX_ETH_DB_NO_SUCH_ADDR;
+
+ IX_ETH_DB_CHECK_PORT(portID);
+
+ IX_ETH_DB_CHECK_SINGLE_NPE(portID);
+
+ IX_ETH_DB_CHECK_REFERENCE(macAddr);
+
+ IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_LEARNING);
+
+ searchResult = ixEthDBSearch(macAddr, IX_ETH_DB_ALL_FILTERING_RECORDS);
+
+ if (searchResult == NULL)
+ {
+ return IX_ETH_DB_NO_SUCH_ADDR; /* not found */
+ }
+
+ if (((MacDescriptor *) (searchResult->data))->portID == portID)
+ {
+ result = IX_ETH_DB_SUCCESS; /* address and port match */
+ }
+
+ ixEthDBReleaseHashNode(searchResult);
+
+ return result;
+}
+
+IX_ETH_DB_PUBLIC
+IxEthDBStatus ixEthDBFilteringDatabaseSearch(IxEthDBPortId *portID, IxEthDBMacAddr *macAddr)
+{
+ HashNode *searchResult;
+
+ IX_ETH_DB_CHECK_REFERENCE(portID);
+
+ IX_ETH_DB_CHECK_REFERENCE(macAddr);
+
+ searchResult = ixEthDBSearch(macAddr, IX_ETH_DB_ALL_FILTERING_RECORDS);
+
+ if (searchResult == NULL)
+ {
+ return IX_ETH_DB_NO_SUCH_ADDR; /* not found */
+ }
+
+ /* return the port ID */
+ *portID = ((MacDescriptor *) searchResult->data)->portID;
+
+ ixEthDBReleaseHashNode(searchResult);
+
+ return IX_ETH_DB_SUCCESS;
+}
+
+IX_ETH_DB_PUBLIC
+IxEthDBStatus ixEthDBPortAgingDisable(IxEthDBPortId portID)
+{
+ IX_ETH_DB_CHECK_PORT(portID);
+
+ IX_ETH_DB_CHECK_SINGLE_NPE(portID);
+
+ IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_LEARNING);
+
+ ixEthDBPortInfo[portID].agingEnabled = FALSE;
+
+ return IX_ETH_DB_SUCCESS;
+}
+
+IX_ETH_DB_PUBLIC
+IxEthDBStatus ixEthDBPortAgingEnable(IxEthDBPortId portID)
+{
+ IX_ETH_DB_CHECK_PORT(portID);
+
+ IX_ETH_DB_CHECK_SINGLE_NPE(portID);
+
+ IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_LEARNING);
+
+ ixEthDBPortInfo[portID].agingEnabled = TRUE;
+
+ return IX_ETH_DB_SUCCESS;
+}
+
+IX_ETH_DB_PUBLIC
+IxEthDBStatus ixEthDBFilteringPortUpdatingSearch(IxEthDBPortId *portID, IxEthDBMacAddr *macAddr)
+{
+ HashNode *searchResult;
+ MacDescriptor *descriptor;
+
+ IX_ETH_DB_CHECK_REFERENCE(portID);
+
+ IX_ETH_DB_CHECK_REFERENCE(macAddr);
+
+ searchResult = ixEthDBSearch(macAddr, IX_ETH_DB_ALL_FILTERING_RECORDS);
+
+ if (searchResult == NULL)
+ {
+ return IX_ETH_DB_NO_SUCH_ADDR; /* not found */
+ }
+
+ descriptor = (MacDescriptor *) searchResult->data;
+
+ /* return the port ID */
+ *portID = descriptor->portID;
+
+ /* reset entry age */
+ if (descriptor->type == IX_ETH_DB_FILTERING_RECORD)
+ {
+ descriptor->recordData.filteringData.age = 0;
+ }
+ else
+ {
+ descriptor->recordData.filteringVlanData.age = 0;
+ }
+
+ ixEthDBReleaseHashNode(searchResult);
+
+ return IX_ETH_DB_SUCCESS;
+}
+
+IX_ETH_DB_PUBLIC
+IxEthDBStatus ixEthDBPortDependencyMapSet(IxEthDBPortId portID, IxEthDBPortMap dependencyPortMap)
+{
+ IX_ETH_DB_CHECK_PORT(portID);
+
+ IX_ETH_DB_CHECK_SINGLE_NPE(portID);
+
+ IX_ETH_DB_CHECK_REFERENCE(dependencyPortMap);
+
+ IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_FILTERING);
+
+ /* force bit at offset 255 to 0 (reserved) */
+ dependencyPortMap[31] &= 0xFE;
+
+ COPY_DEPENDENCY_MAP(ixEthDBPortInfo[portID].dependencyPortMap, dependencyPortMap);
+
+ return IX_ETH_DB_SUCCESS;
+}
+
+IX_ETH_DB_PUBLIC
+IxEthDBStatus ixEthDBPortDependencyMapGet(IxEthDBPortId portID, IxEthDBPortMap dependencyPortMap)
+{
+ IX_ETH_DB_CHECK_PORT(portID);
+
+ IX_ETH_DB_CHECK_SINGLE_NPE(portID);
+
+ IX_ETH_DB_CHECK_REFERENCE(dependencyPortMap);
+
+ IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_FILTERING);
+
+ COPY_DEPENDENCY_MAP(dependencyPortMap, ixEthDBPortInfo[portID].dependencyPortMap);
+
+ return IX_ETH_DB_SUCCESS;
+}
+
+IX_ETH_DB_PUBLIC
+IxEthDBStatus ixEthDBPortUpdateEnableSet(IxEthDBPortId portID, BOOL enableUpdate)
+{
+ IX_ETH_DB_CHECK_PORT(portID);
+
+ IX_ETH_DB_CHECK_SINGLE_NPE(portID);
+
+ IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_FILTERING);
+
+ ixEthDBPortInfo[portID].updateMethod.updateEnabled = enableUpdate;
+ ixEthDBPortInfo[portID].updateMethod.userControlled = TRUE;
+
+ return IX_ETH_DB_SUCCESS;
+}