upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/cpu/ixp/npe/IxEthDBAPISupport.c

679 lines
21 KiB

/**
* @file IxEthDBAPISupport.c
*
* @brief Public API support functions
*
* @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.h>
#include <IxNpeMh.h>
#include <IxFeatureCtrl.h>
#include "IxEthDB_p.h"
#include "IxEthDBMessages_p.h"
#include "IxEthDB_p.h"
#include "IxEthDBLog_p.h"
#ifdef IX_UNIT_TEST
int dbAccessCounter = 0;
int overflowEvent = 0;
#endif
/*
* External declaration
*/
extern HashTable dbHashtable;
/*
* Internal declaration
*/
IX_ETH_DB_PUBLIC
PortInfo ixEthDBPortInfo[IX_ETH_DB_NUMBER_OF_PORTS];
IX_ETH_DB_PRIVATE
struct
{
BOOL saved;
IxEthDBPriorityTable priorityTable;
IxEthDBVlanSet vlanMembership;
IxEthDBVlanSet transmitTaggingInfo;
IxEthDBFrameFilter frameFilter;
IxEthDBTaggingAction taggingAction;
IxEthDBFirewallMode firewallMode;
BOOL stpBlocked;
BOOL srcAddressFilterEnabled;
UINT32 maxRxFrameSize;
UINT32 maxTxFrameSize;
} ixEthDBPortState[IX_ETH_DB_NUMBER_OF_PORTS];
#define IX_ETH_DB_DEFAULT_FRAME_SIZE (1518)
/**
* @brief initializes a port
*
* @param portID ID of the port to be initialized
*
* Note that redundant initializations are silently
* dealt with and do not constitute an error
*
* This function is fully documented in the main
* header file, IxEthDB.h
*/
IX_ETH_DB_PUBLIC
void ixEthDBPortInit(IxEthDBPortId portID)
{
PortInfo *portInfo;
if (portID >= IX_ETH_DB_NUMBER_OF_PORTS)
{
return;
}
portInfo = &ixEthDBPortInfo[portID];
if (ixEthDBSingleEthNpeCheck(portID) != IX_ETH_DB_SUCCESS)
{
WARNING_LOG("EthDB: Unavailable Eth %d: Cannot initialize EthDB Port.\n", (UINT32) portID);
return;
}
if (portInfo->initialized)
{
/* redundant */
return;
}
/* initialize core fields */
portInfo->portID = portID;
SET_DEPENDENCY_MAP(portInfo->dependencyPortMap, portID);
/* default values */
portInfo->agingEnabled = FALSE;
portInfo->enabled = FALSE;
portInfo->macAddressUploaded = FALSE;
portInfo->maxRxFrameSize = IX_ETHDB_DEFAULT_FRAME_SIZE;
portInfo->maxTxFrameSize = IX_ETHDB_DEFAULT_FRAME_SIZE;
/* default update control values */
portInfo->updateMethod.searchTree = NULL;
portInfo->updateMethod.searchTreePendingWrite = FALSE;
portInfo->updateMethod.treeInitialized = FALSE;
portInfo->updateMethod.updateEnabled = FALSE;
portInfo->updateMethod.userControlled = FALSE;
/* default WiFi parameters */
memset(portInfo->bbsid, 0, sizeof (portInfo->bbsid));
portInfo->frameControlDurationID = 0;
/* Ethernet NPE-specific initializations */
if (ixEthDBPortDefinitions[portID].type == IX_ETH_NPE)
{
/* update handler */
portInfo->updateMethod.updateHandler = ixEthDBNPEUpdateHandler;
}
/* initialize state save */
ixEthDBPortState[portID].saved = FALSE;
portInfo->initialized = TRUE;
}
/**
* @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 0 /* test-only */
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);
}
#endif
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;
#if 0 /* test-only */
IxEthDBPriorityTable classZeroTable;
#endif
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 */
#if 0 /* test-only */
/* 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);
}
#endif
/* 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 sends the updated maximum Tx/Rx frame lengths to the NPE
*
* @param portID ID of the port to update
*
* @return IX_ETH_DB_SUCCESS if the update completed
* successfully or an appropriate error message otherwise
*
* @internal
*/
IX_ETH_DB_PRIVATE
IxEthDBStatus ixEthDBPortFrameLengthsUpdate(IxEthDBPortId portID)
{
IxNpeMhMessage message;
PortInfo *portInfo = &ixEthDBPortInfo[portID];
IX_STATUS result;
FILL_SETMAXFRAMELENGTHS_MSG(message, portID, portInfo->maxRxFrameSize, portInfo->maxTxFrameSize);
IX_ETHDB_SEND_NPE_MSG(IX_ETH_DB_PORT_ID_TO_NPE(portID), message, result);
return result;
}
/**
* @brief sets the port maximum Rx frame size
*
* @param portID ID of the port to set the frame size on
* @param maximumRxFrameSize maximum Rx frame size
*
* This function updates the internal data structures and
* calls ixEthDBPortFrameLengthsUpdate() for NPE update.
*
* This function is fully documented in the main header
* file, IxEthDB.h.
*
* @return IX_ETH_DB_SUCCESS if the operation was
* successfull or an appropriate error message otherwise
*/
IX_ETH_DB_PUBLIC
IxEthDBStatus ixEthDBFilteringPortMaximumRxFrameSizeSet(IxEthDBPortId portID, UINT32 maximumRxFrameSize)
{
IX_ETH_DB_CHECK_PORT_EXISTS(portID);
IX_ETH_DB_CHECK_SINGLE_NPE(portID);
if (!ixEthDBPortInfo[portID].initialized)
{
return IX_ETH_DB_PORT_UNINITIALIZED;
}
if (ixEthDBPortDefinitions[portID].type == IX_ETH_NPE)
{
if ((maximumRxFrameSize < IX_ETHDB_MIN_NPE_FRAME_SIZE) ||
(maximumRxFrameSize > IX_ETHDB_MAX_NPE_FRAME_SIZE))
{
return IX_ETH_DB_INVALID_ARG;
}
}
else
{
return IX_ETH_DB_NO_PERMISSION;
}
/* update internal structure */
ixEthDBPortInfo[portID].maxRxFrameSize = maximumRxFrameSize;
/* update the maximum frame size in the NPE */
return ixEthDBPortFrameLengthsUpdate(portID);
}
/**
* @brief sets the port maximum Tx frame size
*
* @param portID ID of the port to set the frame size on
* @param maximumTxFrameSize maximum Tx frame size
*
* This function updates the internal data structures and
* calls ixEthDBPortFrameLengthsUpdate() for NPE update.
*
* This function is fully documented in the main header
* file, IxEthDB.h.
*
* @return IX_ETH_DB_SUCCESS if the operation was
* successfull or an appropriate error message otherwise
*/
IX_ETH_DB_PUBLIC
IxEthDBStatus ixEthDBFilteringPortMaximumTxFrameSizeSet(IxEthDBPortId portID, UINT32 maximumTxFrameSize)
{
IX_ETH_DB_CHECK_PORT_EXISTS(portID);
IX_ETH_DB_CHECK_SINGLE_NPE(portID);
if (!ixEthDBPortInfo[portID].initialized)
{
return IX_ETH_DB_PORT_UNINITIALIZED;
}
if (ixEthDBPortDefinitions[portID].type == IX_ETH_NPE)
{
if ((maximumTxFrameSize < IX_ETHDB_MIN_NPE_FRAME_SIZE) ||
(maximumTxFrameSize > IX_ETHDB_MAX_NPE_FRAME_SIZE))
{
return IX_ETH_DB_INVALID_ARG;
}
}
else
{
return IX_ETH_DB_NO_PERMISSION;
}
/* update internal structure */
ixEthDBPortInfo[portID].maxTxFrameSize = maximumTxFrameSize;
/* update the maximum frame size in the NPE */
return ixEthDBPortFrameLengthsUpdate(portID);
}
/**
* @brief sets the port maximum Tx and Rx frame sizes
*
* @param portID ID of the port to set the frame size on
* @param maximumFrameSize maximum Tx and Rx frame sizes
*
* This function updates the internal data structures and
* calls ixEthDBPortFrameLengthsUpdate() for NPE update.
*
* Note that both the maximum Tx and Rx frame size are set
* to the same value. This function is kept for compatibility
* reasons.
*
* This function is fully documented in the main header
* file, IxEthDB.h.
*
* @return IX_ETH_DB_SUCCESS if the operation was
* successfull or an appropriate error message otherwise
*/
IX_ETH_DB_PUBLIC
IxEthDBStatus ixEthDBFilteringPortMaximumFrameSizeSet(IxEthDBPortId portID, UINT32 maximumFrameSize)
{
IX_ETH_DB_CHECK_PORT_EXISTS(portID);
IX_ETH_DB_CHECK_SINGLE_NPE(portID);
if (!ixEthDBPortInfo[portID].initialized)
{
return IX_ETH_DB_PORT_UNINITIALIZED;
}
if (ixEthDBPortDefinitions[portID].type == IX_ETH_NPE)
{
if ((maximumFrameSize < IX_ETHDB_MIN_NPE_FRAME_SIZE) ||
(maximumFrameSize > IX_ETHDB_MAX_NPE_FRAME_SIZE))
{
return IX_ETH_DB_INVALID_ARG;
}
}
else
{
return IX_ETH_DB_NO_PERMISSION;
}
/* update internal structure */
ixEthDBPortInfo[portID].maxRxFrameSize = maximumFrameSize;
ixEthDBPortInfo[portID].maxTxFrameSize = maximumFrameSize;
/* update the maximum frame size in the NPE */
return ixEthDBPortFrameLengthsUpdate(portID);
}
/**
* @brief sets the MAC address of an NPE port
*
* @param portID port ID to set the MAC address on
* @param macAddr pointer to the 6-byte MAC address
*
* This function is called by the EthAcc
* ixEthAccUnicastMacAddressSet() and should not be
* manually invoked unless required by special circumstances.
*
* @return IX_ETH_DB_SUCCESS if the operation succeeded
* or an appropriate error message otherwise
*/
IX_ETH_DB_PUBLIC
IxEthDBStatus ixEthDBPortAddressSet(IxEthDBPortId portID, IxEthDBMacAddr *macAddr)
{
IxNpeMhMessage message;
IxOsalMutex *ackPortAddressLock;
IX_STATUS result;
/* use this macro instead CHECK_PORT
as the port doesn't need to be enabled */
IX_ETH_DB_CHECK_PORT_EXISTS(portID);
IX_ETH_DB_CHECK_REFERENCE(macAddr);
if (!ixEthDBPortInfo[portID].initialized)
{
return IX_ETH_DB_PORT_UNINITIALIZED;
}
ackPortAddressLock = &ixEthDBPortInfo[portID].npeAckLock;
/* 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;
}
IX_ETH_DB_CHECK_SINGLE_NPE(portID);
/* exit if the port is not an Ethernet NPE */
if (ixEthDBPortDefinitions[portID].type != IX_ETH_NPE)
{
return IX_ETH_DB_INVALID_PORT;
}
/* populate message */
FILL_SETPORTADDRESS_MSG(message, portID, macAddr->macAddress);
IX_ETH_DB_SUPPORT_TRACE("DB: (Support) Sending SetPortAddress on port %d...\n", portID);
/* send a SetPortAddress message */
IX_ETHDB_SEND_NPE_MSG(IX_ETH_DB_PORT_ID_TO_NPE(portID), message, result);
if (result == IX_SUCCESS)
{
ixEthDBPortInfo[portID].macAddressUploaded = TRUE;
}
return result;
}