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/*
** Id: //Department/DaVinci/TRUNK/MT6620_5931_WiFi_Driver/mgmt/wnm.c#1
*/
/*! \file "wnm.c"
\brief This file includes the 802.11v default vale and functions.
*/
/*
** Log: wnm.c
**
** 08 13 2013 terry.wu
** [BORA00002207] [MT6630 Wi-Fi] TXM & MQM Implementation
** Remove unused code
**
** 03 12 2013 terry.wu
** [BORA00002207] [MT6630 Wi-Fi] TXM & MQM Implementation
** Update Tx utility function for management frame
**
** 09 17 2012 cm.chang
** [BORA00002149] [MT6630 Wi-Fi] Initial software development
** Duplicate source from MT6620 v2.3 driver branch
** (Davinci label: MT6620_WIFI_Driver_V2_3_120913_1942_As_MT6630_Base)
*
* 01 05 2012 tsaiyuan.hsu
* [WCXRP00001157] [MT6620 Wi-Fi][FW][DRV] add timing measurement support for 802.11v
* add timing measurement support for 802.11v.
*
*
*/
/*******************************************************************************
* C O M P I L E R F L A G S
********************************************************************************
*/
/*******************************************************************************
* E X T E R N A L R E F E R E N C E S
********************************************************************************
*/
#include "precomp.h"
#if CFG_SUPPORT_802_11V
/*******************************************************************************
* C O N S T A N T S
********************************************************************************
*/
#define WNM_MAX_TOD_ERROR 0
#define WNM_MAX_TOA_ERROR 0
#define MICRO_TO_10NANO(x) ((x)*100)
/*******************************************************************************
* D A T A T Y P E S
********************************************************************************
*/
/*******************************************************************************
* P U B L I C D A T A
********************************************************************************
*/
/*******************************************************************************
* P R I V A T E D A T A
********************************************************************************
*/
static UINT_8 ucTimingMeasToken;
/*******************************************************************************
* M A C R O S
********************************************************************************
*/
/*******************************************************************************
* F U N C T I O N D E C L A R A T I O N S
********************************************************************************
*/
static WLAN_STATUS
wnmRunEventTimgingMeasTxDone(IN P_ADAPTER_T prAdapter,
IN P_MSDU_INFO_T prMsduInfo, IN ENUM_TX_RESULT_CODE_T rTxDoneStatus);
static VOID
wnmComposeTimingMeasFrame(IN P_ADAPTER_T prAdapter, IN P_STA_RECORD_T prStaRec, IN PFN_TX_DONE_HANDLER pfTxDoneHandler);
static VOID wnmTimingMeasRequest(IN P_ADAPTER_T prAdapter, IN P_SW_RFB_T prSwRfb);
/*******************************************************************************
* F U N C T I O N S
********************************************************************************
*/
/*----------------------------------------------------------------------------*/
/*!
*
* \brief This routine is called to process the 802.11v wnm category action frame.
*
*
* \note
* Called by: Handle Rx mgmt request
*/
/*----------------------------------------------------------------------------*/
VOID wnmWNMAction(IN P_ADAPTER_T prAdapter, IN P_SW_RFB_T prSwRfb)
{
P_WLAN_ACTION_FRAME prRxFrame;
ASSERT(prAdapter);
ASSERT(prSwRfb);
prRxFrame = (P_WLAN_ACTION_FRAME) prSwRfb->pvHeader;
#if CFG_SUPPORT_802_11V_TIMING_MEASUREMENT
if (prRxFrame->ucAction == ACTION_WNM_TIMING_MEASUREMENT_REQUEST) {
wnmTimingMeasRequest(prAdapter, prSwRfb);
return;
}
#endif
DBGLOG(WNM, TRACE, "Unsupport WNM action frame: %d\n", prRxFrame->ucAction);
}
#if CFG_SUPPORT_802_11V_TIMING_MEASUREMENT
/*----------------------------------------------------------------------------*/
/*!
*
* \brief This routine is called to report timing measurement data.
*
*/
/*----------------------------------------------------------------------------*/
VOID wnmReportTimingMeas(IN P_ADAPTER_T prAdapter, IN UINT_8 ucStaRecIndex, IN UINT_32 u4ToD, IN UINT_32 u4ToA)
{
P_STA_RECORD_T prStaRec;
prStaRec = cnmGetStaRecByIndex(prAdapter, ucStaRecIndex);
if ((!prStaRec) || (!prStaRec->fgIsInUse))
return;
DBGLOG(WNM, TRACE, "wnmReportTimingMeas: u4ToD %x u4ToA %x", u4ToD, u4ToA);
if (!prStaRec->rWNMTimingMsmt.ucTrigger)
return;
prStaRec->rWNMTimingMsmt.u4ToD = MICRO_TO_10NANO(u4ToD);
prStaRec->rWNMTimingMsmt.u4ToA = MICRO_TO_10NANO(u4ToA);
}
/*----------------------------------------------------------------------------*/
/*!
* @brief This function will handle TxDone(TimingMeasurement) Event.
*
* @param[in] prAdapter Pointer to the Adapter structure.
* @param[in] prMsduInfo Pointer to the MSDU_INFO_T.
* @param[in] rTxDoneStatus Return TX status of the Timing Measurement frame.
*
* @retval WLAN_STATUS_SUCCESS
*/
/*----------------------------------------------------------------------------*/
static WLAN_STATUS
wnmRunEventTimgingMeasTxDone(IN P_ADAPTER_T prAdapter,
IN P_MSDU_INFO_T prMsduInfo, IN ENUM_TX_RESULT_CODE_T rTxDoneStatus)
{
P_STA_RECORD_T prStaRec;
ASSERT(prAdapter);
ASSERT(prMsduInfo);
DBGLOG(WNM, LOUD, "EVENT-TX DONE: Current Time = %ld\n", kalGetTimeTick());
prStaRec = cnmGetStaRecByIndex(prAdapter, prMsduInfo->ucStaRecIndex);
if ((!prStaRec) || (!prStaRec->fgIsInUse))
return WLAN_STATUS_SUCCESS; /* For the case of replying ERROR STATUS CODE */
DBGLOG(WNM, TRACE,
"wnmRunEventTimgingMeasTxDone: ucDialog %d ucFollowUp %d u4ToD %x u4ToA %x",
prStaRec->rWNMTimingMsmt.ucDialogToken,
prStaRec->rWNMTimingMsmt.ucFollowUpDialogToken, prStaRec->rWNMTimingMsmt.u4ToD,
prStaRec->rWNMTimingMsmt.u4ToA);
prStaRec->rWNMTimingMsmt.ucFollowUpDialogToken = prStaRec->rWNMTimingMsmt.ucDialogToken;
prStaRec->rWNMTimingMsmt.ucDialogToken = ++ucTimingMeasToken;
wnmComposeTimingMeasFrame(prAdapter, prStaRec, NULL);
return WLAN_STATUS_SUCCESS;
} /* end of wnmRunEventTimgingMeasTxDone() */
/*----------------------------------------------------------------------------*/
/*!
* @brief This function will compose the Timing Measurement frame.
*
* @param[in] prAdapter Pointer to the Adapter structure.
* @param[in] prStaRec Pointer to the STA_RECORD_T.
*
* @return (none)
*/
/*----------------------------------------------------------------------------*/
static VOID
wnmComposeTimingMeasFrame(IN P_ADAPTER_T prAdapter, IN P_STA_RECORD_T prStaRec, IN PFN_TX_DONE_HANDLER pfTxDoneHandler)
{
P_MSDU_INFO_T prMsduInfo;
P_BSS_INFO_T prBssInfo;
P_ACTION_UNPROTECTED_WNM_TIMING_MEAS_FRAME prTxFrame;
UINT_16 u2PayloadLen;
prBssInfo = &prAdapter->rWifiVar.arBssInfo[prStaRec->ucNetTypeIndex];
ASSERT(prBssInfo);
prMsduInfo = (P_MSDU_INFO_T) cnmMgtPktAlloc(prAdapter, MAC_TX_RESERVED_FIELD + PUBLIC_ACTION_MAX_LEN);
if (!prMsduInfo)
return;
prTxFrame = (P_ACTION_UNPROTECTED_WNM_TIMING_MEAS_FRAME)
((UINT_32) (prMsduInfo->prPacket) + MAC_TX_RESERVED_FIELD);
prTxFrame->u2FrameCtrl = MAC_FRAME_ACTION;
COPY_MAC_ADDR(prTxFrame->aucDestAddr, prStaRec->aucMacAddr);
COPY_MAC_ADDR(prTxFrame->aucSrcAddr, prBssInfo->aucOwnMacAddr);
COPY_MAC_ADDR(prTxFrame->aucBSSID, prBssInfo->aucBSSID);
prTxFrame->ucCategory = CATEGORY_UNPROTECTED_WNM_ACTION;
prTxFrame->ucAction = ACTION_UNPROTECTED_WNM_TIMING_MEASUREMENT;
/* 3 Compose the frame body's frame. */
prTxFrame->ucDialogToken = prStaRec->rWNMTimingMsmt.ucDialogToken;
prTxFrame->ucFollowUpDialogToken = prStaRec->rWNMTimingMsmt.ucFollowUpDialogToken;
prTxFrame->u4ToD = prStaRec->rWNMTimingMsmt.u4ToD;
prTxFrame->u4ToA = prStaRec->rWNMTimingMsmt.u4ToA;
prTxFrame->ucMaxToDErr = WNM_MAX_TOD_ERROR;
prTxFrame->ucMaxToAErr = WNM_MAX_TOA_ERROR;
u2PayloadLen = 2 + ACTION_UNPROTECTED_WNM_TIMING_MEAS_LEN;
/* 4 Update information of MSDU_INFO_T */
TX_SET_MMPDU(prAdapter,
prMsduInfo,
prStaRec->ucBssIndex,
prStaRec->ucIndex,
WLAN_MAC_MGMT_HEADER_LEN,
WLAN_MAC_MGMT_HEADER_LEN + u2PayloadLen, pfTxDoneHandler, MSDU_RATE_MODE_AUTO);
DBGLOG(WNM, TRACE,
"wnmComposeTimingMeasFrame: ucDialogToken %d ucFollowUpDialogToken %d u4ToD %x u4ToA %x\n",
prTxFrame->ucDialogToken, prTxFrame->ucFollowUpDialogToken, prTxFrame->u4ToD, prTxFrame->u4ToA);
/* 4 Enqueue the frame to send this action frame. */
nicTxEnqueueMsdu(prAdapter, prMsduInfo);
return;
} /* end of wnmComposeTimingMeasFrame() */
/*----------------------------------------------------------------------------*/
/*!
*
* \brief This routine is called to process the 802.11v timing measurement request.
*
*
* \note
* Handle Rx mgmt request
*/
/*----------------------------------------------------------------------------*/
static VOID wnmTimingMeasRequest(IN P_ADAPTER_T prAdapter, IN P_SW_RFB_T prSwRfb)
{
P_ACTION_WNM_TIMING_MEAS_REQ_FRAME prRxFrame = NULL;
P_STA_RECORD_T prStaRec;
prRxFrame = (P_ACTION_WNM_TIMING_MEAS_REQ_FRAME) prSwRfb->pvHeader;
if (!prRxFrame)
return;
prStaRec = cnmGetStaRecByIndex(prAdapter, prSwRfb->ucStaRecIdx);
if ((!prStaRec) || (!prStaRec->fgIsInUse))
return;
DBGLOG(WNM, TRACE, "IEEE 802.11: Received Timing Measuremen Request from "
MACSTR "\n", MAC2STR(prStaRec->aucMacAddr));
/* reset timing msmt */
prStaRec->rWNMTimingMsmt.fgInitiator = TRUE;
prStaRec->rWNMTimingMsmt.ucTrigger = prRxFrame->ucTrigger;
if (!prRxFrame->ucTrigger)
return;
prStaRec->rWNMTimingMsmt.ucDialogToken = ++ucTimingMeasToken;
prStaRec->rWNMTimingMsmt.ucFollowUpDialogToken = 0;
wnmComposeTimingMeasFrame(prAdapter, prStaRec, wnmRunEventTimgingMeasTxDone);
}
#if WNM_UNIT_TEST
VOID wnmTimingMeasUnitTest1(P_ADAPTER_T prAdapter, UINT_8 ucStaRecIndex)
{
P_STA_RECORD_T prStaRec;
prStaRec = cnmGetStaRecByIndex(prAdapter, ucStaRecIndex);
if ((!prStaRec) || (!prStaRec->fgIsInUse))
return;
DBGLOG(WNM, INFO, "IEEE 802.11v: Test Timing Measuremen Request from "
MACSTR "\n", MAC2STR(prStaRec->aucMacAddr));
prStaRec->rWNMTimingMsmt.fgInitiator = TRUE;
prStaRec->rWNMTimingMsmt.ucTrigger = 1;
prStaRec->rWNMTimingMsmt.ucDialogToken = ++ucTimingMeasToken;
prStaRec->rWNMTimingMsmt.ucFollowUpDialogToken = 0;
wnmComposeTimingMeasFrame(prAdapter, prStaRec, wnmRunEventTimgingMeasTxDone);
}
#endif
#endif /* CFG_SUPPORT_802_11V_TIMING_MEASUREMENT */
#endif /* CFG_SUPPORT_802_11V */
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