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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303 lines
8.3 KiB
303 lines
8.3 KiB
/**
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* @file IxEthDBSearch.c
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*
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* @par
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* IXP400 SW Release version 2.0
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*
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* -- Copyright Notice --
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*
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* @par
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* Copyright 2001-2005, Intel Corporation.
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* All rights reserved.
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*
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* @par
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* SPDX-License-Identifier: BSD-3-Clause
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* @par
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* -- End of Copyright Notice --
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*/
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#include "IxEthDB_p.h"
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extern HashTable dbHashtable;
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/**
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* @brief matches two database records based on their MAC addresses
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*
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* @param untypedReference record to match against
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* @param untypedEntry record to match
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*
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* @return true if the match is successful or false otherwise
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*
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* @internal
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*/
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IX_ETH_DB_PUBLIC
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BOOL ixEthDBAddressRecordMatch(void *untypedReference, void *untypedEntry)
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{
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MacDescriptor *entry = (MacDescriptor *) untypedEntry;
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MacDescriptor *reference = (MacDescriptor *) untypedReference;
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/* check accepted record types */
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if ((entry->type & reference->type) == 0) return false;
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return (ixEthDBAddressCompare((UINT8 *) entry->macAddress, (UINT8 *) reference->macAddress) == 0);
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}
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/**
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* @brief matches two database records based on their MAC addresses
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* and VLAN IDs
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*
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* @param untypedReference record to match against
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* @param untypedEntry record to match
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*
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* @return true if the match is successful or false otherwise
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*
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* @internal
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*/
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IX_ETH_DB_PUBLIC
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BOOL ixEthDBVlanRecordMatch(void *untypedReference, void *untypedEntry)
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{
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MacDescriptor *entry = (MacDescriptor *) untypedEntry;
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MacDescriptor *reference = (MacDescriptor *) untypedReference;
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/* check accepted record types */
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if ((entry->type & reference->type) == 0) return false;
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return (IX_ETH_DB_GET_VLAN_ID(entry->recordData.filteringVlanData.ieee802_1qTag) ==
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IX_ETH_DB_GET_VLAN_ID(reference->recordData.filteringVlanData.ieee802_1qTag)) &&
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(ixEthDBAddressCompare(entry->macAddress, reference->macAddress) == 0);
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}
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/**
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* @brief matches two database records based on their MAC addresses
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* and port IDs
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*
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* @param untypedReference record to match against
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* @param untypedEntry record to match
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*
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* @return true if the match is successful or false otherwise
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*
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* @internal
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*/
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IX_ETH_DB_PUBLIC
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BOOL ixEthDBPortRecordMatch(void *untypedReference, void *untypedEntry)
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{
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MacDescriptor *entry = (MacDescriptor *) untypedEntry;
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MacDescriptor *reference = (MacDescriptor *) untypedReference;
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/* check accepted record types */
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if ((entry->type & reference->type) == 0) return false;
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return (entry->portID == reference->portID) &&
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(ixEthDBAddressCompare(entry->macAddress, reference->macAddress) == 0);
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}
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/**
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* @brief dummy matching function, registered for safety
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*
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* @param reference record to match against (unused)
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* @param entry record to match (unused)
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*
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* This function is registered in the matching functions
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* array on invalid types. Calling it will display an
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* error message, indicating an error in the component logic.
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*
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* @return false
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*
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* @internal
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*/
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IX_ETH_DB_PUBLIC
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BOOL ixEthDBNullMatch(void *reference, void *entry)
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{
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/* display an error message */
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ixOsalLog(IX_OSAL_LOG_LVL_WARNING, IX_OSAL_LOG_DEV_STDOUT, "DB: (Search) The NullMatch function was called, wrong key type?\n", 0, 0, 0, 0, 0, 0);
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return false;
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}
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/**
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* @brief registers hash matching methods
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*
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* @param matchFunctions table of match functions to be populated
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*
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* This function registers the available record matching functions
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* by indexing them on record types into the given function array.
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*
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* Note that it is compulsory to call this in ixEthDBInit(),
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* otherwise hashtable searching and removal will not work
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*
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* @return number of registered functions
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*
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* @internal
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*/
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IX_ETH_DB_PUBLIC
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UINT32 ixEthDBMatchMethodsRegister(MatchFunction *matchFunctions)
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{
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UINT32 i;
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/* safety first */
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for ( i = 0 ; i < IX_ETH_DB_MAX_KEY_INDEX + 1 ; i++)
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{
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matchFunctions[i] = ixEthDBNullMatch;
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}
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/* register MAC search method */
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matchFunctions[IX_ETH_DB_MAC_KEY] = ixEthDBAddressRecordMatch;
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/* register MAC/PortID search method */
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matchFunctions[IX_ETH_DB_MAC_PORT_KEY] = ixEthDBPortRecordMatch;
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/* register MAC/VLAN ID search method */
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matchFunctions[IX_ETH_DB_MAC_VLAN_KEY] = ixEthDBVlanRecordMatch;
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return 3; /* three methods */
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}
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/**
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* @brief search a record in the Ethernet datbase
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*
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* @param macAddress MAC address to perform the search on
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* @param typeFilter type of records to consider for matching
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*
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* @warning if searching is successful an implicit write lock
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* to the search result is granted, therefore unlock the
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* entry using @ref ixEthDBReleaseHashNode() as soon as possible.
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*
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* @see ixEthDBReleaseHashNode()
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*
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* @return the search result, or NULL if a record with the given
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* MAC address was not found
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*
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* @internal
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*/
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IX_ETH_DB_PUBLIC
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HashNode* ixEthDBSearch(IxEthDBMacAddr *macAddress, IxEthDBRecordType typeFilter)
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{
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HashNode *searchResult = NULL;
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MacDescriptor reference;
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TEST_FIXTURE_INCREMENT_DB_CORE_ACCESS_COUNTER;
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if (macAddress == NULL)
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{
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return NULL;
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}
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/* fill search fields */
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memcpy(reference.macAddress, macAddress, sizeof (IxEthDBMacAddr));
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/* set acceptable record types */
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reference.type = typeFilter;
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BUSY_RETRY(ixEthDBSearchHashEntry(&dbHashtable, IX_ETH_DB_MAC_KEY, &reference, &searchResult));
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return searchResult;
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}
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IX_ETH_DB_PUBLIC
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IxEthDBStatus ixEthDBPeek(IxEthDBMacAddr *macAddress, IxEthDBRecordType typeFilter)
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{
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MacDescriptor reference;
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IxEthDBStatus result;
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TEST_FIXTURE_INCREMENT_DB_CORE_ACCESS_COUNTER;
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if (macAddress == NULL)
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{
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return IX_ETH_DB_INVALID_ARG;
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}
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/* fill search fields */
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memcpy(reference.macAddress, macAddress, sizeof (IxEthDBMacAddr));
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/* set acceptable record types */
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reference.type = typeFilter;
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result = ixEthDBPeekHashEntry(&dbHashtable, IX_ETH_DB_MAC_KEY, &reference);
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return result;
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}
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/**
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* @brief search a record in the Ethernet datbase
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*
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* @param macAddress MAC address to perform the search on
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* @param portID port ID to perform the search on
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* @param typeFilter type of records to consider for matching
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*
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* @warning if searching is successful an implicit write lock
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* to the search result is granted, therefore unlock the
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* entry using @ref ixEthDBReleaseHashNode() as soon as possible.
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*
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* @see ixEthDBReleaseHashNode()
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*
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* @return the search result, or NULL if a record with the given
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* MAC address/port ID combination was not found
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*
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* @internal
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*/
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IX_ETH_DB_PUBLIC
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HashNode* ixEthDBPortSearch(IxEthDBMacAddr *macAddress, IxEthDBPortId portID, IxEthDBRecordType typeFilter)
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{
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HashNode *searchResult = NULL;
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MacDescriptor reference;
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if (macAddress == NULL)
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{
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return NULL;
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}
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/* fill search fields */
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memcpy(reference.macAddress, macAddress, sizeof (IxEthDBMacAddr));
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reference.portID = portID;
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/* set acceptable record types */
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reference.type = typeFilter;
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BUSY_RETRY(ixEthDBSearchHashEntry(&dbHashtable, IX_ETH_DB_MAC_PORT_KEY, &reference, &searchResult));
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return searchResult;
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}
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/**
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* @brief search a record in the Ethernet datbase
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*
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* @param macAddress MAC address to perform the search on
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* @param vlanID VLAN ID to perform the search on
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* @param typeFilter type of records to consider for matching
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*
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* @warning if searching is successful an implicit write lock
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* to the search result is granted, therefore unlock the
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* entry using @ref ixEthDBReleaseHashNode() as soon as possible.
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*
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* @see ixEthDBReleaseHashNode()
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*
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* @return the search result, or NULL if a record with the given
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* MAC address/VLAN ID combination was not found
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*
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* @internal
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*/
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IX_ETH_DB_PUBLIC
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HashNode* ixEthDBVlanSearch(IxEthDBMacAddr *macAddress, IxEthDBVlanId vlanID, IxEthDBRecordType typeFilter)
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{
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HashNode *searchResult = NULL;
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MacDescriptor reference;
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if (macAddress == NULL)
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{
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return NULL;
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}
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/* fill search fields */
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memcpy(reference.macAddress, macAddress, sizeof (IxEthDBMacAddr));
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reference.recordData.filteringVlanData.ieee802_1qTag =
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IX_ETH_DB_SET_VLAN_ID(reference.recordData.filteringVlanData.ieee802_1qTag, vlanID);
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/* set acceptable record types */
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reference.type = typeFilter;
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BUSY_RETRY(ixEthDBSearchHashEntry(&dbHashtable, IX_ETH_DB_MAC_VLAN_KEY, &reference, &searchResult));
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return searchResult;
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}
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