u-boot/arch/arm/cpu/ixp/npe/IxEthDBAPI.c
Peter Tyser 84ad688473 arm: Move cpu/$CPU to arch/arm/cpu/$CPU
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
2010-04-13 09:13:24 +02:00

448 lines
14 KiB
C

/**
* @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;
}