CORE/MAC/src/pe/lim/limScanResultUtils.h

/*
 * Copyright (c) 2012-2013 The Linux Foundation. All rights reserved.
 *
 * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
 *
 *
 * Permission to use, copy, modify, and/or distribute this software for
 * any purpose with or without fee is hereby granted, provided that the
 * above copyright notice and this permission notice appear in all
 * copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

/*
 * This file was originally distributed by Qualcomm Atheros, Inc.
 * under proprietary terms before Copyright ownership was assigned
 * to the Linux Foundation.
 */

/*
 * This file limScanResultUtils.h contains the utility definitions
 * LIM uses for maintaining and accessing scan results on STA.
 * Author:        Chandra Modumudi
 * Date:          02/13/02
 * History:-
 * Date           Modified by    Modification Information
 * --------------------------------------------------------------------
 */
#ifndef __LIM_SCAN_UTILS_H
#define __LIM_SCAN_UTILS_H

#include "parserApi.h"
#include "limTypes.h"

// Scan result hash related functions
tANI_U8 limScanHashFunction(tSirMacAddr);
void    limInitHashTable(tpAniSirGlobal);

/**
 * limLookupNaddHashEntry() - store received BSS description into scan result
 *                            hash table to be sent to CSR on scan complete.
 * @pMac: Pointer to Global MAC structure
 * @pBssDescr: Pointer to BSS description to be added to the scan result
 *             hash table.
 * @action: Indicates action to be performed when same BSS description is found.
 *          This is dependent on whether unique scan result to be stored or not.
 * @dontUpdateAll: do not update RSSI
 * @ie_len: ie len to validate
 * @chan_info_present: if channel info is present in beacon (DS param or HT ie)
 *
 * Return: status of operation
 */
eHalStatus limLookupNaddHashEntry(tpAniSirGlobal pMac,
                                  tLimScanResultNode *pBssDescr, tANI_U8 action,
                                  tANI_U8 dontUpdateAll, tANI_U32 ie_len,
                                  bool chan_info_present);
void    limDeleteHashEntry(tLimScanResultNode *);
void    limDeleteCachedScanResults(tpAniSirGlobal);
void    limRestorePreScanState(tpAniSirGlobal);
void    limCopyScanResult(tpAniSirGlobal, tANI_U8 *);
void    limReInitScanResults(tpAniSirGlobal);
#ifdef WLAN_FEATURE_ROAM_SCAN_OFFLOAD
void    limInitLfrHashTable(tpAniSirGlobal);
eHalStatus
   limLookupNaddLfrHashEntry(tpAniSirGlobal, tLimScanResultNode *,
   tANI_U8, tANI_U8, tANI_U32);
void    limDeleteLfrHashEntry(tLimScanResultNode *);
void    limDeleteCachedLfrScanResults(tpAniSirGlobal);
void    limReInitLfrScanResults(tpAniSirGlobal);
#endif
tANI_U32 limDeactivateMinChannelTimerDuringScan(tpAniSirGlobal);
void    limCheckAndAddBssDescription(tpAniSirGlobal, tpSirProbeRespBeacon, tANI_U8 *, tANI_BOOLEAN, tANI_U8);
#if defined WLAN_FEATURE_VOWIFI
void    limCollectBssDescription(tpAniSirGlobal,
                                 tSirBssDescription *,
                                 tpSirProbeRespBeacon,
                                 tANI_U8 *,
                                 tANI_U8);
#else
void    limCollectBssDescription(tpAniSirGlobal,
                                 tSirBssDescription *,
                                 tpSirProbeRespBeacon,
                                 tANI_U8 *);
#endif

#endif /* __LIM_SCAN_UTILS_H */