u-boot/cpu/ixp/npe/IxEthDBNPEAdaptor.c

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/**
* @file IxEthDBDBNPEAdaptor.c
*
* @brief Routines that read and write learning/search trees in NPE-specific format
*
* @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 "IxEthDBLog_p.h"
/* forward prototype declarations */
IX_ETH_DB_PUBLIC void ixEthDBELTShow(IxEthDBPortId portID);
IX_ETH_DB_PUBLIC void ixEthDBShowNpeMsgHistory(void);
/* data */
UINT8* ixEthDBNPEUpdateArea[IX_ETH_DB_NUMBER_OF_PORTS];
UINT32 dumpEltSize;
/* private data */
IX_ETH_DB_PRIVATE IxEthDBNoteWriteFn ixEthDBNPENodeWrite[IX_ETH_DB_MAX_RECORD_TYPE_INDEX + 1];
#define IX_ETH_DB_MAX_DELTA_ZONES (6) /* at most 6 EP Delta zones, according to NPE FS */
IX_ETH_DB_PRIVATE UINT32 ixEthDBEPDeltaOffset[IX_ETH_DB_MAX_RECORD_TYPE_INDEX + 1][IX_ETH_DB_MAX_DELTA_ZONES];
IX_ETH_DB_PRIVATE UINT32 ixEthDBEPDelta[IX_ETH_DB_MAX_RECORD_TYPE_INDEX + 1][IX_ETH_DB_MAX_DELTA_ZONES];
/**
* @brief allocates non-cached or contiguous NPE tree update areas for all the ports
*
* This function is called only once at initialization time from
* @ref ixEthDBInit().
*
* @warning do not call manually
*
* @see ixEthDBInit()
*
* @internal
*/
IX_ETH_DB_PUBLIC
void ixEthDBNPEUpdateAreasInit(void)
{
UINT32 portIndex;
PortUpdateMethod *update;
for (portIndex = 0 ; portIndex < IX_ETH_DB_NUMBER_OF_PORTS ; portIndex++)
{
update = &ixEthDBPortInfo[portIndex].updateMethod;
if (ixEthDBPortDefinitions[portIndex].type == IX_ETH_NPE)
{
update->npeUpdateZone = IX_OSAL_CACHE_DMA_MALLOC(FULL_ELT_BYTE_SIZE);
update->npeGwUpdateZone = IX_OSAL_CACHE_DMA_MALLOC(FULL_GW_BYTE_SIZE);
update->vlanUpdateZone = IX_OSAL_CACHE_DMA_MALLOC(FULL_VLAN_BYTE_SIZE);
if (update->npeUpdateZone == NULL
|| update->npeGwUpdateZone == NULL
|| update->vlanUpdateZone == NULL)
{
ERROR_LOG("Fatal error: IX_ACC_DRV_DMA_MALLOC() returned NULL, no NPE update zones available\n");
}
else
{
memset(update->npeUpdateZone, 0, FULL_ELT_BYTE_SIZE);
memset(update->npeGwUpdateZone, 0, FULL_GW_BYTE_SIZE);
memset(update->vlanUpdateZone, 0, FULL_VLAN_BYTE_SIZE);
}
}
else
{
/* unused */
update->npeUpdateZone = NULL;
update->npeGwUpdateZone = NULL;
update->vlanUpdateZone = NULL;
}
}
}
/**
* @brief deallocates the NPE update areas for all the ports
*
* This function is called at component de-initialization time
* by @ref ixEthDBUnload().
*
* @warning do not call manually
*
* @internal
*/
IX_ETH_DB_PUBLIC
void ixEthDBNPEUpdateAreasUnload(void)
{
UINT32 portIndex;
for (portIndex = 0 ; portIndex < IX_ETH_DB_NUMBER_OF_PORTS ; portIndex++)
{
if (ixEthDBPortDefinitions[portIndex].type == IX_ETH_NPE)
{
IX_OSAL_CACHE_DMA_FREE(ixEthDBPortInfo[portIndex].updateMethod.npeUpdateZone);
IX_OSAL_CACHE_DMA_FREE(ixEthDBPortInfo[portIndex].updateMethod.npeGwUpdateZone);
IX_OSAL_CACHE_DMA_FREE(ixEthDBPortInfo[portIndex].updateMethod.vlanUpdateZone);
}
}
}
/**
* @brief general-purpose NPE callback function
*
* @param npeID NPE ID
* @param msg NPE message
*
* This function will unblock the caller by unlocking
* the npeAckLock mutex defined for each NPE port
*
* @internal
*/
IX_ETH_DB_PUBLIC
void ixEthDBNpeMsgAck(IxNpeMhNpeId npeID, IxNpeMhMessage msg)
{
IxEthDBPortId portID = IX_ETH_DB_NPE_TO_PORT_ID(npeID);
PortInfo *portInfo;
if (portID >= IX_ETH_DB_NUMBER_OF_PORTS)
{
/* invalid port */
return;
}
if (ixEthDBPortDefinitions[portID].type != IX_ETH_NPE)
{
/* not an NPE */
return;
}
portInfo = &ixEthDBPortInfo[portID];
ixOsalMutexUnlock(&portInfo->npeAckLock);
}
/**
* @brief synchronizes the database with tree
*
* @param portID port ID of the NPE whose tree is to be scanned
* @param eltBaseAddress memory base address of the NPE serialized tree
* @param eltSize size in bytes of the NPE serialized tree
*
* Scans the NPE learning tree and resets the age of active database records.
*
* @internal
*/
IX_ETH_DB_PUBLIC
void ixEthDBNPESyncScan(IxEthDBPortId portID, void *eltBaseAddress, UINT32 eltSize)
{
UINT32 eltEntryOffset;
UINT32 entryPortID;
/* invalidate cache */
IX_OSAL_CACHE_INVALIDATE(eltBaseAddress, eltSize);
for (eltEntryOffset = ELT_ROOT_OFFSET ; eltEntryOffset < eltSize ; eltEntryOffset += ELT_ENTRY_SIZE)
{
/* (eltBaseAddress + eltEntryOffset) points to a valid NPE tree node
*
* the format of the node is MAC[6 bytes]:PortID[1 byte]:Reserved[6 bits]:Active[1 bit]:Valid[1 bit]
* therefore we can just use the pointer for database searches as only the first 6 bytes are checked
*/
void *eltNodeAddress = (void *) ((UINT32) eltBaseAddress + eltEntryOffset);
/* debug */
IX_ETH_DB_NPE_VERBOSE_TRACE("DB: (NPEAdaptor) checking node at offset %d...\n", eltEntryOffset / ELT_ENTRY_SIZE);
if (IX_EDB_NPE_NODE_VALID(eltNodeAddress) != TRUE)
{
IX_ETH_DB_NPE_VERBOSE_TRACE("\t... node is empty\n");
}
else if (eltEntryOffset == ELT_ROOT_OFFSET)
{
IX_ETH_DB_NPE_VERBOSE_TRACE("\t... node is root\n");
}
if (IX_EDB_NPE_NODE_VALID(eltNodeAddress))
{
entryPortID = IX_ETH_DB_NPE_LOGICAL_ID_TO_PORT_ID(IX_EDB_NPE_NODE_PORT_ID(eltNodeAddress));
/* check only active entries belonging to this port */
if (ixEthDBPortInfo[portID].agingEnabled && IX_EDB_NPE_NODE_ACTIVE(eltNodeAddress) && (portID == entryPortID)
&& ((ixEthDBPortDefinitions[portID].capabilities & IX_ETH_ENTRY_AGING) == 0))
{
/* search record */
HashNode *node = ixEthDBSearch((IxEthDBMacAddr *) eltNodeAddress, IX_ETH_DB_ALL_FILTERING_RECORDS);
/* safety check, maybe user deleted record right before sync? */
if (node != NULL)
{
/* found record */
MacDescriptor *descriptor = (MacDescriptor *) node->data;
IX_ETH_DB_NPE_VERBOSE_TRACE("DB: (NPEAdaptor) synced entry [%s] already in the database, updating fields\n", mac2string(eltNodeAddress));
/* reset age - set to -1 so that maintenance will restore it to 0 (or more) when incrementing */
if (!descriptor->recordData.filteringData.staticEntry)
{
if (descriptor->type == IX_ETH_DB_FILTERING_RECORD)
{
descriptor->recordData.filteringData.age = AGE_RESET;
}
else if (descriptor->type == IX_ETH_DB_FILTERING_VLAN_RECORD)
{
descriptor->recordData.filteringVlanData.age = AGE_RESET;
}
}
/* end transaction */
ixEthDBReleaseHashNode(node);
}
}
else
{
IX_ETH_DB_NPE_VERBOSE_TRACE("\t... found portID %d, we check only port %d\n", entryPortID, portID);
}
}
}
}
/**
* @brief writes a search tree in NPE format
*
* @param type type of records to be written into the NPE update zone
* @param totalSize maximum size of the linearized tree
* @param baseAddress memory base address where to write the NPE tree into
* @param tree search tree to write in NPE format
* @param blocks number of written 64-byte blocks
* @param startIndex optimal binary search start index
*
* Serializes the given tree in NPE linear format
*
* @return none
*
* @internal
*/
IX_ETH_DB_PUBLIC
void ixEthDBNPETreeWrite(IxEthDBRecordType type, UINT32 totalSize, void *baseAddress, MacTreeNode *tree, UINT32 *epDelta, UINT32 *blocks)
{
MacTreeNodeStack *stack;
UINT32 maxOffset = 0;
UINT32 emptyOffset;
stack = ixOsalCacheDmaMalloc(sizeof (MacTreeNodeStack));
if (stack == NULL)
{
ERROR_LOG("DB: (NPEAdaptor) failed to allocate the node stack for learning tree linearization, out of memory?\n");
return;
}
/* zero out empty root */
memset(baseAddress, 0, ELT_ENTRY_SIZE);
NODE_STACK_INIT(stack);
if (tree != NULL)
{
/* push tree root at offset 1 */
NODE_STACK_PUSH(stack, tree, 1);
maxOffset = 1;
}
while (NODE_STACK_NONEMPTY(stack))
{
MacTreeNode *node;
UINT32 offset;
NODE_STACK_POP(stack, node, offset);
/* update maximum offset */
if (offset > maxOffset)
{
maxOffset = offset;
}
IX_ETH_DB_NPE_VERBOSE_TRACE("DB: (NPEAdaptor) writing MAC [%s] at offset %d\n", mac2string(node->descriptor->macAddress), offset);
/* add node to NPE ELT at position indicated by offset */
if (offset < MAX_ELT_SIZE)
{
ixEthDBNPENodeWrite[type]((void *) (((UINT32) baseAddress) + offset * ELT_ENTRY_SIZE), node);
}
if (node->left != NULL)
{
NODE_STACK_PUSH(stack, node->left, LEFT_CHILD_OFFSET(offset));
}
else
{
/* ensure this entry is zeroed */
memset((void *) ((UINT32) baseAddress + LEFT_CHILD_OFFSET(offset) * ELT_ENTRY_SIZE), 0, ELT_ENTRY_SIZE);
}
if (node->right != NULL)
{
NODE_STACK_PUSH(stack, node->right, RIGHT_CHILD_OFFSET(offset));
}
else
{
/* ensure this entry is zeroed */
memset((void *) ((UINT32) baseAddress + RIGHT_CHILD_OFFSET(offset) * ELT_ENTRY_SIZE), 0, ELT_ENTRY_SIZE);
}
}
emptyOffset = maxOffset + 1;
/* zero out rest of the tree */
IX_ETH_DB_NPE_TRACE("DB: (NPEAdaptor) Emptying tree from offset %d, address 0x%08X, %d bytes\n",
emptyOffset, ((UINT32) baseAddress) + emptyOffset * ELT_ENTRY_SIZE, totalSize - (emptyOffset * ELT_ENTRY_SIZE));
if (emptyOffset < MAX_ELT_SIZE - 1)
{
memset((void *) (((UINT32) baseAddress) + (emptyOffset * ELT_ENTRY_SIZE)), 0, totalSize - (emptyOffset * ELT_ENTRY_SIZE));
}
/* flush cache */
IX_OSAL_CACHE_FLUSH(baseAddress, totalSize);
/* debug */
IX_ETH_DB_NPE_TRACE("DB: (NPEAdaptor) Ethernet learning/filtering tree XScale wrote at address 0x%08X (max %d bytes):\n\n",
(UINT32) baseAddress, FULL_ELT_BYTE_SIZE);
IX_ETH_DB_NPE_DUMP_ELT(baseAddress, FULL_ELT_BYTE_SIZE);
/* compute number of 64-byte blocks */
if (blocks != NULL)
{
*blocks = maxOffset != 0 ? 1 + maxOffset / 8 : 0;
IX_ETH_DB_NPE_TRACE("DB: (NPEAdaptor) Wrote %d 64-byte blocks\n", *blocks);
}
/* compute epDelta - start index for binary search */
if (epDelta != NULL)
{
UINT32 deltaIndex = 0;
*epDelta = 0;
for (; deltaIndex < IX_ETH_DB_MAX_DELTA_ZONES ; deltaIndex ++)
{
if (ixEthDBEPDeltaOffset[type][deltaIndex] >= maxOffset)
{
*epDelta = ixEthDBEPDelta[type][deltaIndex];
break;
}
}
IX_ETH_DB_NPE_TRACE("DB: (NPEAdaptor) Computed epDelta %d (based on maxOffset %d)\n", *epDelta, maxOffset);
}
ixOsalCacheDmaFree(stack);
}
/**
* @brief implements a dummy node serialization function
*
* @param address address of where the node is to be serialized (unused)
* @param node tree node to be serialized (unused)
*
* This function is registered for safety reasons and should
* never be called. It will display an error message if this
* function is called.
*
* @return none
*
* @internal
*/
IX_ETH_DB_PRIVATE
void ixEthDBNullSerialize(void *address, MacTreeNode *node)
{
IX_ETH_DB_NPE_TRACE("DB: (NPEAdaptor) Warning, the NullSerialize function was called, wrong record type?\n");
}
/**
* @brief writes a filtering entry in NPE linear format
*
* @param address memory address to write node to
* @param node node to be written
*
* Used by @ref ixEthDBNPETreeWrite to liniarize a search tree
* in NPE-readable format.
*
* @internal
*/
IX_ETH_DB_PRIVATE
void ixEthDBNPELearningNodeWrite(void *address, MacTreeNode *node)
{
/* copy mac address */
memcpy(address, node->descriptor->macAddress, IX_IEEE803_MAC_ADDRESS_SIZE);
/* copy port ID */
NPE_NODE_BYTE(address, IX_EDB_NPE_NODE_ELT_PORT_ID_OFFSET) = IX_ETH_DB_PORT_ID_TO_NPE_LOGICAL_ID(node->descriptor->portID);
/* copy flags (valid and not active, as the NPE sets it to active) and clear reserved section (bits 2-7) */
NPE_NODE_BYTE(address, IX_EDB_NPE_NODE_ELT_FLAGS_OFFSET) = (UINT8) IX_EDB_FLAGS_INACTIVE_VALID;
IX_ETH_DB_NPE_VERBOSE_TRACE("DB: (NPEAdaptor) writing ELT node 0x%08x:0x%08x\n", * (UINT32 *) address, * (((UINT32 *) (address)) + 1));
}
/**
* @brief writes a WiFi header conversion record in
* NPE linear format
*
* @param address memory address to write node to
* @param node node to be written
*
* Used by @ref ixEthDBNPETreeWrite to liniarize a search tree
* in NPE-readable format.
*
* @internal
*/
IX_ETH_DB_PRIVATE
void ixEthDBNPEWiFiNodeWrite(void *address, MacTreeNode *node)
{
/* copy mac address */
memcpy(address, node->descriptor->macAddress, IX_IEEE803_MAC_ADDRESS_SIZE);
/* copy index */
NPE_NODE_BYTE(address, IX_EDB_NPE_NODE_WIFI_INDEX_OFFSET) = node->descriptor->recordData.wifiData.gwAddressIndex;
/* copy flags (type and valid) */
NPE_NODE_BYTE(address, IX_EDB_NPE_NODE_WIFI_FLAGS_OFFSET) = node->descriptor->recordData.wifiData.type << 1 | IX_EDB_FLAGS_VALID;
}
/**
* @brief writes a WiFi gateway header conversion record in
* NPE linear format
*
* @param address memory address to write node to
* @param node node to be written
*
* Used by @ref ixEthDBNPETreeWrite to liniarize a search tree
* in NPE-readable format.
*
* @internal
*/
IX_ETH_DB_PUBLIC
void ixEthDBNPEGatewayNodeWrite(void *address, MacTreeNode *node)
{
/* copy mac address */
memcpy(address, node->descriptor->recordData.wifiData.gwMacAddress, IX_IEEE803_MAC_ADDRESS_SIZE);
/* set reserved field, two bytes */
NPE_NODE_BYTE(address, IX_EDB_NPE_NODE_FW_RESERVED_OFFSET) = 0;
NPE_NODE_BYTE(address, IX_EDB_NPE_NODE_FW_RESERVED_OFFSET + 1) = 0;
}
/**
* @brief writes a firewall record in
* NPE linear format
*
* @param address memory address to write node to
* @param node node to be written
*
* Used by @ref ixEthDBNPETreeWrite to liniarize a search tree
* in NPE-readable format.
*
* @internal
*/
IX_ETH_DB_PRIVATE
void ixEthDBNPEFirewallNodeWrite(void *address, MacTreeNode *node)
{
/* set reserved field */
NPE_NODE_BYTE(address, IX_EDB_NPE_NODE_FW_RESERVED_OFFSET) = 0;
/* set flags */
NPE_NODE_BYTE(address, IX_EDB_NPE_NODE_FW_FLAGS_OFFSET) = IX_EDB_FLAGS_VALID;
/* copy mac address */
memcpy((void *) ((UINT32) address + IX_EDB_NPE_NODE_FW_ADDR_OFFSET), node->descriptor->macAddress, IX_IEEE803_MAC_ADDRESS_SIZE);
}
/**
* @brief registers the NPE serialization methods
*
* This functions registers NPE serialization methods
* for writing the following types of records in NPE
* readable linear format:
* - filtering records
* - WiFi header conversion records
* - WiFi gateway header conversion records
* - firewall records
*
* Note that this function should be called by the
* component initialization function.
*
* @return number of registered record types
*
* @internal
*/
IX_ETH_DB_PUBLIC
UINT32 ixEthDBRecordSerializeMethodsRegister()
{
int i;
/* safety - register a blank method for everybody first */
for ( i = 0 ; i < IX_ETH_DB_MAX_RECORD_TYPE_INDEX + 1 ; i++)
{
ixEthDBNPENodeWrite[i] = ixEthDBNullSerialize;
}
/* register real methods */
ixEthDBNPENodeWrite[IX_ETH_DB_FILTERING_RECORD] = ixEthDBNPELearningNodeWrite;
ixEthDBNPENodeWrite[IX_ETH_DB_FILTERING_VLAN_RECORD] = ixEthDBNPELearningNodeWrite;
ixEthDBNPENodeWrite[IX_ETH_DB_WIFI_RECORD] = ixEthDBNPEWiFiNodeWrite;
ixEthDBNPENodeWrite[IX_ETH_DB_FIREWALL_RECORD] = ixEthDBNPEFirewallNodeWrite;
ixEthDBNPENodeWrite[IX_ETH_DB_GATEWAY_RECORD] = ixEthDBNPEGatewayNodeWrite;
/* EP Delta arrays */
memset(ixEthDBEPDeltaOffset, 0, sizeof (ixEthDBEPDeltaOffset));
memset(ixEthDBEPDelta, 0, sizeof (ixEthDBEPDelta));
/* filtering records */
ixEthDBEPDeltaOffset[IX_ETH_DB_FILTERING_RECORD][0] = 1;
ixEthDBEPDelta[IX_ETH_DB_FILTERING_RECORD][0] = 0;
ixEthDBEPDeltaOffset[IX_ETH_DB_FILTERING_RECORD][1] = 3;
ixEthDBEPDelta[IX_ETH_DB_FILTERING_RECORD][1] = 7;
ixEthDBEPDeltaOffset[IX_ETH_DB_FILTERING_RECORD][2] = 511;
ixEthDBEPDelta[IX_ETH_DB_FILTERING_RECORD][2] = 14;
/* wifi records */
ixEthDBEPDeltaOffset[IX_ETH_DB_WIFI_RECORD][0] = 1;
ixEthDBEPDelta[IX_ETH_DB_WIFI_RECORD][0] = 0;
ixEthDBEPDeltaOffset[IX_ETH_DB_WIFI_RECORD][1] = 3;
ixEthDBEPDelta[IX_ETH_DB_WIFI_RECORD][1] = 7;
ixEthDBEPDeltaOffset[IX_ETH_DB_WIFI_RECORD][2] = 511;
ixEthDBEPDelta[IX_ETH_DB_WIFI_RECORD][2] = 14;
/* firewall records */
ixEthDBEPDeltaOffset[IX_ETH_DB_FIREWALL_RECORD][0] = 0;
ixEthDBEPDelta[IX_ETH_DB_FIREWALL_RECORD][0] = 0;
ixEthDBEPDeltaOffset[IX_ETH_DB_FIREWALL_RECORD][1] = 1;
ixEthDBEPDelta[IX_ETH_DB_FIREWALL_RECORD][1] = 5;
ixEthDBEPDeltaOffset[IX_ETH_DB_FIREWALL_RECORD][2] = 3;
ixEthDBEPDelta[IX_ETH_DB_FIREWALL_RECORD][2] = 13;
ixEthDBEPDeltaOffset[IX_ETH_DB_FIREWALL_RECORD][3] = 7;
ixEthDBEPDelta[IX_ETH_DB_FIREWALL_RECORD][3] = 21;
ixEthDBEPDeltaOffset[IX_ETH_DB_FIREWALL_RECORD][4] = 15;
ixEthDBEPDelta[IX_ETH_DB_FIREWALL_RECORD][4] = 29;
ixEthDBEPDeltaOffset[IX_ETH_DB_FIREWALL_RECORD][5] = 31;
ixEthDBEPDelta[IX_ETH_DB_FIREWALL_RECORD][5] = 37;
return 5; /* 5 methods registered */
}
#ifndef IX_NDEBUG
IX_ETH_DB_PUBLIC UINT32 npeMsgHistory[IX_ETH_DB_NPE_MSG_HISTORY_DEPTH][2];
IX_ETH_DB_PUBLIC UINT32 npeMsgHistoryLen = 0;
/**
* When compiled in DEBUG mode, this function can be used to display
* the history of messages sent to the NPEs (up to 100).
*/
IX_ETH_DB_PUBLIC
void ixEthDBShowNpeMsgHistory()
{
UINT32 i = 0;
UINT32 base, len;
if (npeMsgHistoryLen <= IX_ETH_DB_NPE_MSG_HISTORY_DEPTH)
{
base = 0;
len = npeMsgHistoryLen;
}
else
{
base = npeMsgHistoryLen % IX_ETH_DB_NPE_MSG_HISTORY_DEPTH;
len = IX_ETH_DB_NPE_MSG_HISTORY_DEPTH;
}
printf("NPE message history [last %d messages, from least to most recent]:\n", len);
for (; i < len ; i++)
{
UINT32 pos = (base + i) % IX_ETH_DB_NPE_MSG_HISTORY_DEPTH;
printf("msg[%d]: 0x%08x:0x%08x\n", i, npeMsgHistory[pos][0], npeMsgHistory[pos][1]);
}
}
IX_ETH_DB_PUBLIC
void ixEthDBELTShow(IxEthDBPortId portID)
{
IxNpeMhMessage message;
IX_STATUS result;
/* send EDB_GetMACAddressDatabase message */
FILL_GETMACADDRESSDATABASE(message,
0 /* reserved */,
IX_OSAL_MMU_VIRT_TO_PHYS(ixEthDBPortInfo[portID].updateMethod.npeUpdateZone));
IX_ETHDB_SEND_NPE_MSG(IX_ETH_DB_PORT_ID_TO_NPE(portID), message, result);
if (result == IX_SUCCESS)
{
/* analyze NPE copy */
UINT32 eltEntryOffset;
UINT32 entryPortID;
UINT32 eltBaseAddress = (UINT32) ixEthDBPortInfo[portID].updateMethod.npeUpdateZone;
UINT32 eltSize = FULL_ELT_BYTE_SIZE;
/* invalidate cache */
IX_OSAL_CACHE_INVALIDATE((void *) eltBaseAddress, eltSize);
printf("Listing records in main learning tree for port %d\n", portID);
for (eltEntryOffset = ELT_ROOT_OFFSET ; eltEntryOffset < eltSize ; eltEntryOffset += ELT_ENTRY_SIZE)
{
/* (eltBaseAddress + eltEntryOffset) points to a valid NPE tree node
*
* the format of the node is MAC[6 bytes]:PortID[1 byte]:Reserved[6 bits]:Active[1 bit]:Valid[1 bit]
* therefore we can just use the pointer for database searches as only the first 6 bytes are checked
*/
void *eltNodeAddress = (void *) ((UINT32) eltBaseAddress + eltEntryOffset);
if (IX_EDB_NPE_NODE_VALID(eltNodeAddress))
{
HashNode *node;
entryPortID = IX_ETH_DB_NPE_LOGICAL_ID_TO_PORT_ID(IX_EDB_NPE_NODE_PORT_ID(eltNodeAddress));
/* search record */
node = ixEthDBSearch((IxEthDBMacAddr *) eltNodeAddress, IX_ETH_DB_ALL_RECORD_TYPES);
printf("%s - port %d - %s ", mac2string((unsigned char *) eltNodeAddress), entryPortID,
IX_EDB_NPE_NODE_ACTIVE(eltNodeAddress) ? "active" : "inactive");
/* safety check, maybe user deleted record right before sync? */
if (node != NULL)
{
/* found record */
MacDescriptor *descriptor = (MacDescriptor *) node->data;
printf("- %s ",
descriptor->type == IX_ETH_DB_FILTERING_RECORD ? "filtering" :
descriptor->type == IX_ETH_DB_FILTERING_VLAN_RECORD ? "vlan" :
descriptor->type == IX_ETH_DB_WIFI_RECORD ? "wifi" : "other (check main DB)");
if (descriptor->type == IX_ETH_DB_FILTERING_RECORD) printf("- age %d - %s ",
descriptor->recordData.filteringData.age,
descriptor->recordData.filteringData.staticEntry ? "static" : "dynamic");
if (descriptor->type == IX_ETH_DB_FILTERING_VLAN_RECORD) printf("- age %d - %s - tci %d ",
descriptor->recordData.filteringVlanData.age,
descriptor->recordData.filteringVlanData.staticEntry ? "static" : "dynamic",
descriptor->recordData.filteringVlanData.ieee802_1qTag);
/* end transaction */
ixEthDBReleaseHashNode(node);
}
else
{
printf("- not synced");
}
printf("\n");
}
}
}
else
{
ixOsalLog(IX_OSAL_LOG_LVL_FATAL, IX_OSAL_LOG_DEV_STDOUT,
"EthDB: (ShowELT) Could not complete action (communication failure)\n",
portID, 0, 0, 0, 0, 0);
}
}
#endif