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ba94a1bba3
- Add IXP4xx NPE ethernet MAC support - Add support for Intel IXDPG425 board - Add support for Prodrive PDNB3 board - Add IRQ support Patch by Stefan Roese, 23 May 2006 [This patch does not include cpu/ixp/npe/IxNpeMicrocode.c which still sufferes from licensing issues. Blame Intel.]
480 lines
14 KiB
C
480 lines
14 KiB
C
/**
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* @file IxEthDBAPI.c
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*
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* @brief Implementation of the public API
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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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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* @par
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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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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/* forward prototypes */
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IX_ETH_DB_PUBLIC
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MacTreeNode *ixEthDBGatewaySelect(MacTreeNode *stations);
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/**
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* @brief sets the BBSID value for the WiFi header conversion feature
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*
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* @param portID ID of the port
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* @param bbsid pointer to the 6-byte BBSID value
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*
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* Note that this function is documented in the main component
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* header file, IxEthDB.h.
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*
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* @return IX_ETH_DB_SUCCESS if the operation completed successfully
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* or an appropriate error message otherwise
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*/
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IX_ETH_DB_PUBLIC
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IxEthDBStatus ixEthDBWiFiBBSIDSet(IxEthDBPortId portID, IxEthDBMacAddr *bbsid)
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{
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IxNpeMhMessage message;
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IX_STATUS result;
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IX_ETH_DB_CHECK_PORT(portID);
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IX_ETH_DB_CHECK_SINGLE_NPE(portID);
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IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_WIFI_HEADER_CONVERSION);
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IX_ETH_DB_CHECK_REFERENCE(bbsid);
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memcpy(ixEthDBPortInfo[portID].bbsid, bbsid, sizeof (IxEthDBMacAddr));
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FILL_SETBBSID_MSG(message, portID, bbsid);
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IX_ETHDB_SEND_NPE_MSG(IX_ETH_DB_PORT_ID_TO_NPE(portID), message, result);
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return result;
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}
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/**
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* @brief updates the Frame Control and Duration/ID WiFi header
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* conversion parameters in an NPE
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*
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* @param portID ID of the port
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*
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* This function will send a message to the NPE updating the
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* frame conversion parameters for 802.3 => 802.11 header conversion.
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*
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* @return IX_ETH_DB_SUCCESS if the operation completed successfully
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* or IX_ETH_DB_FAIL otherwise
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*
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* @internal
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*/
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IX_ETH_DB_PRIVATE
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IxEthDBStatus ixEthDBWiFiFrameControlDurationIDUpdate(IxEthDBPortId portID)
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{
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IxNpeMhMessage message;
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IX_STATUS result;
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FILL_SETFRAMECONTROLDURATIONID(message, portID, ixEthDBPortInfo[portID].frameControlDurationID);
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IX_ETHDB_SEND_NPE_MSG(IX_ETH_DB_PORT_ID_TO_NPE(portID), message, result);
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return result;
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}
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/**
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* @brief sets the Duration/ID WiFi frame header conversion parameter
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*
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* @param portID ID of the port
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* @param durationID 16-bit value containing the new Duration/ID parameter
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*
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* Note that this function is documented in the main component
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* header file, IxEthDB.h.
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*
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* @return IX_ETH_DB_SUCCESS if the operation completed successfully
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* or an appropriate error message otherwise
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*/
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IX_ETH_DB_PUBLIC
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IxEthDBStatus ixEthDBWiFiDurationIDSet(IxEthDBPortId portID, UINT16 durationID)
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{
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IX_ETH_DB_CHECK_PORT(portID);
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IX_ETH_DB_CHECK_SINGLE_NPE(portID);
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IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_WIFI_HEADER_CONVERSION);
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ixEthDBPortInfo[portID].frameControlDurationID = (ixEthDBPortInfo[portID].frameControlDurationID & 0xFFFF0000) | durationID;
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return ixEthDBWiFiFrameControlDurationIDUpdate(portID);
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}
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/**
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* @brief sets the Frame Control WiFi frame header conversion parameter
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*
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* @param portID ID of the port
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* @param durationID 16-bit value containing the new Frame Control parameter
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*
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* Note that this function is documented in the main component
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* header file, IxEthDB.h.
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*
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* @return IX_ETH_DB_SUCCESS if the operation completed successfully
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* or an appropriate error message otherwise
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*/
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IX_ETH_DB_PUBLIC
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IxEthDBStatus ixEthDBWiFiFrameControlSet(IxEthDBPortId portID, UINT16 frameControl)
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{
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IX_ETH_DB_CHECK_PORT(portID);
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IX_ETH_DB_CHECK_SINGLE_NPE(portID);
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IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_WIFI_HEADER_CONVERSION);
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ixEthDBPortInfo[portID].frameControlDurationID = (ixEthDBPortInfo[portID].frameControlDurationID & 0xFFFF) | (frameControl << 16);
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return ixEthDBWiFiFrameControlDurationIDUpdate(portID);
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}
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/**
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* @brief removes a WiFi header conversion record
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*
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* @param portID ID of the port
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* @param macAddr MAC address of the record to remove
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*
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* Note that this function is documented in the main
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* component header file, IxEthDB.h.
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*
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* @return IX_ETH_DB_SUCCESS if the operation completed
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* successfully or an appropriate error message otherwise
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*/
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IX_ETH_DB_PUBLIC
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IxEthDBStatus ixEthDBWiFiEntryRemove(IxEthDBPortId portID, IxEthDBMacAddr *macAddr)
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{
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MacDescriptor recordTemplate;
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IX_ETH_DB_CHECK_PORT(portID);
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IX_ETH_DB_CHECK_SINGLE_NPE(portID);
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IX_ETH_DB_CHECK_REFERENCE(macAddr);
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IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_WIFI_HEADER_CONVERSION);
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memcpy(recordTemplate.macAddress, macAddr, sizeof (IxEthDBMacAddr));
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recordTemplate.type = IX_ETH_DB_WIFI_RECORD;
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recordTemplate.portID = portID;
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return ixEthDBRemove(&recordTemplate, NULL);
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}
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/**
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* @brief adds a WiFi header conversion record
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*
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* @param portID ID of the port
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* @param macAddr MAC address of the record to add
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* @param gatewayMacAddr address of the gateway (or
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* NULL if this is a station record)
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*
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* This function adds a record of type AP_TO_AP (gateway is not NULL)
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* or AP_TO_STA (gateway is NULL) in the main database as a
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* WiFi header conversion record.
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*
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* @return IX_ETH_DB_SUCCESS if the operation completed
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* successfully or an appropriate error message otherwise
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*
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* @internal
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*/
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IX_ETH_DB_PRIVATE
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IxEthDBStatus ixEthDBWiFiEntryAdd(IxEthDBPortId portID, IxEthDBMacAddr *macAddr, IxEthDBMacAddr *gatewayMacAddr)
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{
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MacDescriptor recordTemplate;
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IX_ETH_DB_CHECK_PORT(portID);
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IX_ETH_DB_CHECK_SINGLE_NPE(portID);
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IX_ETH_DB_CHECK_REFERENCE(macAddr);
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IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_WIFI_HEADER_CONVERSION);
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memcpy(recordTemplate.macAddress, macAddr, sizeof (IxEthDBMacAddr));
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recordTemplate.type = IX_ETH_DB_WIFI_RECORD;
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recordTemplate.portID = portID;
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if (gatewayMacAddr != NULL)
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{
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memcpy(recordTemplate.recordData.wifiData.gwMacAddress, gatewayMacAddr, sizeof (IxEthDBMacAddr));
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recordTemplate.recordData.wifiData.type = IX_ETH_DB_WIFI_AP_TO_AP;
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}
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else
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{
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memset(recordTemplate.recordData.wifiData.gwMacAddress, 0, sizeof (IxEthDBMacAddr));
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recordTemplate.recordData.wifiData.type = IX_ETH_DB_WIFI_AP_TO_STA;
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}
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return ixEthDBAdd(&recordTemplate, NULL);
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}
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/**
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* @brief adds a WiFi header conversion record
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*
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* @param portID ID of the port
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* @param macAddr MAC address of the record to add
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* @param gatewayMacAddr address of the gateway
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*
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* This function adds a record of type AP_TO_AP
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* in the main database as a WiFi header conversion record.
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*
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* This is simply a wrapper over @ref ixEthDBWiFiEntryAdd().
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*
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* Note that this function is documented in the main
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* component header file, IxEthDB.h.
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*
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* @return IX_ETH_DB_SUCCESS if the operation completed
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* successfully or an appropriate error message otherwise
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*/
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IX_ETH_DB_PUBLIC
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IxEthDBStatus ixEthDBWiFiAccessPointEntryAdd(IxEthDBPortId portID, IxEthDBMacAddr *macAddr, IxEthDBMacAddr *gatewayMacAddr)
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{
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IX_ETH_DB_CHECK_REFERENCE(gatewayMacAddr);
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return ixEthDBWiFiEntryAdd(portID, macAddr, gatewayMacAddr);
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}
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/**
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* @brief adds a WiFi header conversion record
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*
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* @param portID ID of the port
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* @param macAddr MAC address of the record to add
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*
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* This function adds a record of type AP_TO_STA
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* in the main database as a WiFi header conversion record.
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*
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* This is simply a wrapper over @ref ixEthDBWiFiEntryAdd().
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*
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* Note that this function is documented in the main
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* component header file, IxEthDB.h.
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*
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* @return IX_ETH_DB_SUCCESS if the operation completed
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* successfully or an appropriate error message otherwise
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*/
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IX_ETH_DB_PUBLIC
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IxEthDBStatus ixEthDBWiFiStationEntryAdd(IxEthDBPortId portID, IxEthDBMacAddr *macAddr)
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{
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return ixEthDBWiFiEntryAdd(portID, macAddr, NULL);
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}
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/**
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* @brief selects a set of gateways from a tree of
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* WiFi header conversion records
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*
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* @param stations binary tree containing pointers to WiFi header
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* conversion records
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*
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* This function browses through the input binary tree, identifies
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* records of type AP_TO_AP, clones these records and appends them
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* to a vine (a single right-branch binary tree) which is returned
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* as result. A maximum of MAX_GW_SIZE entries containing gateways
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* will be cloned from the original tree.
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*
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* @return vine (linear binary tree) containing record
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* clones of AP_TO_AP type, which have a gateway field
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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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MacTreeNode *ixEthDBGatewaySelect(MacTreeNode *stations)
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{
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MacTreeNodeStack *stack;
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MacTreeNode *gateways, *insertionPlace;
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UINT32 gwIndex = 1; /* skip the empty root */
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if (stations == NULL)
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{
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return NULL;
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}
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stack = ixOsalCacheDmaMalloc(sizeof (MacTreeNodeStack));
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if (stack == NULL)
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{
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ERROR_LOG("DB: (WiFi) failed to allocate the node stack for gateway tree linearization, out of memory?\n");
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return NULL;
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}
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/* initialize root node */
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gateways = insertionPlace = NULL;
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/* start browsing the station tree */
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NODE_STACK_INIT(stack);
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/* initialize stack by pushing the tree root at offset 0 */
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NODE_STACK_PUSH(stack, stations, 0);
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while (NODE_STACK_NONEMPTY(stack))
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{
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MacTreeNode *node;
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UINT32 offset;
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NODE_STACK_POP(stack, node, offset);
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/* we can store maximum 31 (32 total, 1 empty root) entries in the gateway tree */
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if (offset > (MAX_GW_SIZE - 1)) break;
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/* check if this record has a gateway address */
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if (node->descriptor != NULL && node->descriptor->recordData.wifiData.type == IX_ETH_DB_WIFI_AP_TO_AP)
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{
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/* found a record, create an insertion place */
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if (insertionPlace != NULL)
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{
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insertionPlace->right = ixEthDBAllocMacTreeNode();
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insertionPlace = insertionPlace->right;
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}
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else
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{
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gateways = ixEthDBAllocMacTreeNode();
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insertionPlace = gateways;
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}
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if (insertionPlace == NULL)
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{
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/* no nodes left, bail out with what we have */
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ixOsalCacheDmaFree(stack);
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return gateways;
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}
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/* clone the original record for the gateway tree */
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insertionPlace->descriptor = ixEthDBCloneMacDescriptor(node->descriptor);
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/* insert and update the offset in the original record */
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node->descriptor->recordData.wifiData.gwAddressIndex = gwIndex++;
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}
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/* browse the tree */
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if (node->left != NULL)
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{
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NODE_STACK_PUSH(stack, node->left, LEFT_CHILD_OFFSET(offset));
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}
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if (node->right != NULL)
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{
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NODE_STACK_PUSH(stack, node->right, RIGHT_CHILD_OFFSET(offset));
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}
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}
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ixOsalCacheDmaFree(stack);
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return gateways;
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}
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/**
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* @brief downloads the WiFi header conversion table to an NPE
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*
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* @param portID ID of the port
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*
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* This function prepares the WiFi header conversion tables and
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* downloads them to the specified NPE port.
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*
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* The header conversion tables consist in the main table of
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* addresses and the secondary table of gateways. AP_TO_AP records
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* from the first table contain index fields into the second table
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* for gateway selection.
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*
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* Note that this function is documented in the main component
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* header file, IxEthDB.h.
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*
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* @return IX_ETH_DB_SUCCESS if the operation completed successfully
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* or an appropriate error message otherwise
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*/
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IX_ETH_DB_PUBLIC
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IxEthDBStatus ixEthDBWiFiConversionTableDownload(IxEthDBPortId portID)
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{
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IxEthDBPortMap query;
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MacTreeNode *stations = NULL, *gateways = NULL, *gateway = NULL;
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IxNpeMhMessage message;
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PortInfo *portInfo;
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IX_STATUS result;
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IX_ETH_DB_CHECK_PORT(portID);
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IX_ETH_DB_CHECK_SINGLE_NPE(portID);
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IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_WIFI_HEADER_CONVERSION);
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portInfo = &ixEthDBPortInfo[portID];
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SET_DEPENDENCY_MAP(query, portID);
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ixEthDBUpdateLock();
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stations = ixEthDBQuery(NULL, query, IX_ETH_DB_WIFI_RECORD, MAX_ELT_SIZE);
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gateways = ixEthDBGatewaySelect(stations);
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/* clean up gw area */
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memset((void *) portInfo->updateMethod.npeGwUpdateZone, FULL_GW_BYTE_SIZE, 0);
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/* write all gateways */
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gateway = gateways;
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while (gateway != NULL)
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{
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ixEthDBNPEGatewayNodeWrite((void *) (((UINT32) portInfo->updateMethod.npeGwUpdateZone)
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+ gateway->descriptor->recordData.wifiData.gwAddressIndex * ELT_ENTRY_SIZE),
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gateway);
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gateway = gateway->right;
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}
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/* free the gateway tree */
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if (gateways != NULL)
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{
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ixEthDBFreeMacTreeNode(gateways);
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}
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FILL_SETAPMACTABLE_MSG(message,
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IX_OSAL_MMU_VIRT_TO_PHYS(portInfo->updateMethod.npeGwUpdateZone));
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IX_ETHDB_SEND_NPE_MSG(IX_ETH_DB_PORT_ID_TO_NPE(portID), message, result);
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if (result == IX_SUCCESS)
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{
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/* update the main tree (the stations tree) */
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portInfo->updateMethod.searchTree = stations;
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result = ixEthDBNPEUpdateHandler(portID, IX_ETH_DB_WIFI_RECORD);
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}
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ixEthDBUpdateUnlock();
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return result;
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}
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