/**************************************************************
* ar5212SetupGrpPollChain
*
* Fills in the control fields of the group poll desc chain
*
* Assumes: frameLen does not include the FCS
*/
void
ar5212SetupGrpPollChain(WLAN_DEV_INFO* pDev, ATHEROS_DESC *pHead,
ATHEROS_DESC *pTail, A_UINT32 hwIndex)
{
VPORT_BSS *pVportXrBss = GET_XR_BSS(pDev);
OP_BSS *pOpBss;
AR5212_TX_CONTROL *pTxControl;
ATHEROS_DESC *pDesc;
if (!isXrAp(pDev)) {
return;
}
ASSERT(pVportXrBss);
pOpBss = &pVportXrBss->bss;
for (pDesc = pHead; pDesc != pTail; pDesc = pDesc->pNextVirtPtr) {
pTxControl = TX_CONTROL(pDesc);
pTxControl->transmitPwrCtrl = MAX_RATE_POWER;
pTxControl->clearDestMask = (pDesc == pHead);
pTxControl->destIdxValid = (hwIndex != HWINDEX_INVALID);
pTxControl->destIdx = hwIndex;
pTxControl->antModeXmit = 0;
pTxControl->TXRate0 = pOpBss->pRateTable->info[pOpBss->defaultRateIndex].rateCode;
pTxControl->TXDataTries0 = 1;
pTxControl->PktType = HAL_DESC_PKT_TYPE_GRP_POLL;
pTxControl->CTSEnable = 1;
pTxControl->RTSCTSRate = XR_CTS_RATE(pDev);
pTxControl->RTSCTSDur = XR_UPLINK_TRANSACTION_TIME(pDev);
}
pTxControl = TX_CONTROL(pTail);
pTxControl->transmitPwrCtrl = MAX_RATE_POWER;
pTxControl->clearDestMask = 1;
pTxControl->destIdxValid = (hwIndex != HWINDEX_INVALID);
pTxControl->destIdx = hwIndex;
pTxControl->antModeXmit = 0;
pTxControl->PktType = HAL_DESC_PKT_TYPE_NORMAL;
pTxControl->TXRate0 = XR_CTS_RATE(pDev);
pTxControl->TXDataTries0 = 1;
pTxControl->noAck = 1;
pTxControl->VEOL = 1;
pTail->nextPhysPtr = pHead->thisPhysPtr;
/*
* when compression is enabled, swSwapDesc is set (due to hardware
* bug 7740). This is why the group polls also need to swap the
* descriptions in software and not rely on hardware
*/
if (pDev->pHalInfo->swSwapDesc) {
ar5212SwapHwDesc(pDev, pHead, pTail, 0);
}
}
/*
* Determines and returns the new Tx rate index.
*/
A_UINT16
rcRateFind(struct ath_softc *sc, struct atheros_node *pSib,
A_UINT32 frameLen,
const RATE_TABLE *pRateTable,
HAL_CHANNEL *curchan, int isretry)
{
#ifdef notyet
WLAN_STA_CONFIG *pConfig = &pdevInfo->staConfig;
VPORT_BSS *pVportXrBss = GET_XR_BSS(pdevInfo);
WLAN_DATA_MAC_HEADER *pHdr = pDesc->pBufferVirtPtr.header;
#endif
struct TxRateCtrl_s *pRc;
A_UINT32 dt;
A_UINT32 bestThruput,thisThruput = 0;
A_UINT32 nowMsec;
A_UINT8 rate, nextRate, bestRate;
A_RSSI rssiLast, rssiReduce;
#if ATH_SUPERG_DYNTURBO
A_UINT8 currentPrimeState = IS_CHAN_TURBO(curchan);
/* 0 = regular; 1 = turbo */
A_UINT8 primeInUse = sc->sc_dturbo;
#else
A_UINT8 primeInUse = 0;
A_UINT8 currentPrimeState = 0;
#endif
#ifdef notyet
A_UINT8 xrRateAdaptation = FALSE;
#endif
int isChanTurbo = FALSE;
A_UINT8 maxIndex, minIndex;
A_INT8 index;
int isProbing = FALSE;
/* have the real rate control logic kick in */
pRc = &pSib->txRateCtrl;
#if ATH_SUPERG_DYNTURBO
/*
* Reset primeInUse state, if we are currently using XR
* rate tables or if we have any clients associated in XR mode
*/
#ifdef notyet
if ((pRateTable == sc->sc_rates[WLAN_MODE_XR]) ||
(isXrAp(sc) && (pVportXrBss->bss.numAssociatedClients > 0)))
{
currentPrimeState = 0;
primeInUse = 0;
}
#endif
/* make sure that rateMax is correct when using TURBO_PRIME tables */
if (currentPrimeState)
{
pRc->rateMax = pRateTable->rateCount - 1;
} else
{
pRc->rateMax = pRateTable->rateCount - 1 - pRateTable->numTurboRates;
}
#endif /* ATH_SUPERG_DYNTURBO */
rssiLast = median(pRc->rssiLast, pRc->rssiLastPrev, pRc->rssiLastPrev2);
rssiReduce = 0;
/*
* Age (reduce) last ack rssi based on how old it is.
* The bizarre numbers are so the delta is 160msec,
* meaning we divide by 16.
* 0msec <= dt <= 25msec: don't derate
* 25msec <= dt <= 185msec: derate linearly from 0 to 10dB
* 185msec <= dt: derate by 10dB
*/
nowMsec = A_MS_TICKGET();
dt = nowMsec - pRc->rssiTime;
if (dt >= 185) {
rssiReduce = 10;
} else if (dt >= 25) {
rssiReduce = (A_UINT8)((dt - 25) >> 4);
}
/*
* Determines and returns the new Tx rate index.
*/
A_UINT16
rcRateFind(struct ath_softc *sc, struct atheros_node *pSib, A_UINT32 frameLen)
{
struct ieee80211com *ic = &sc->sc_ic;
#ifdef notyet
WLAN_STA_CONFIG *pConfig = &pdevInfo->staConfig;
VPORT_BSS *pVportXrBss = GET_XR_BSS(pdevInfo);
WLAN_DATA_MAC_HEADER *pHdr = pDesc->pBufferVirtPtr.header;
#endif
struct atheros_softc *asc = (struct atheros_softc *) sc->sc_rc;
const RATE_TABLE *pRateTable = asc->hwRateTable[sc->sc_curmode];
struct TxRateCtrl_s *pRc;
A_UINT32 dt;
A_UINT32 bestThruput,thisThruput;
A_UINT32 nowMsec;
A_UINT8 rate, nextRate, bestRate;
A_RSSI rssiLast, rssiReduce;
#if TURBO_PRIME
A_UINT8 primeInUse = sc->sc_dturbo;
//A_UINT8 currentPrimeState = ((ic->ic_ath_cap & IEEE80211_ATHC_BOOST) > 0) ;
A_UINT8 currentPrimeState = ((sc->sc_curmode == IEEE80211_MODE_TURBO_A) || (sc->sc_curmode == IEEE80211_MODE_TURBO_G)) ;
/* 0 = regular; 1 = turbo */
#else
A_UINT8 primeInUse = 0;
A_UINT8 currentPrimeState = 0;
#endif
#ifdef notyet
A_UINT8 xrRateAdaptation = FALSE;
#endif
A_BOOL isChanTurbo = FALSE;
A_UINT8 maxIndex, minIndex;
A_INT8 index;
A_BOOL isProbing = FALSE;
/* have the real rate control logic kick in */
pRc = &pSib->txRateCtrl;
#if TURBO_PRIME
/*
* Reset primeInUse state, if we are currently using XR
* rate tables or if we have any clients associated in XR mode
*/
#ifdef notyet
if ((pRateTable == sc->sc_rates[WLAN_MODE_XR]) ||
(isXrAp(sc) && (pVportXrBss->bss.numAssociatedClients > 0)))
{
primeInUse = 0;
}
#endif
#endif
/* make sure that rateMax is correct when in TURBO_PRIME mode */
if (primeInUse) {
if (currentPrimeState == 1)
{
pRc->rateMax = pRateTable->rateCount - 1;
} else if (currentPrimeState == 0)
{
pRc->rateMax = pRateTable->rateCount - 1 - pRateTable->numTurboRates;
}
}
rssiLast = median(pRc->rssiLast, pRc->rssiLastPrev, pRc->rssiLastPrev2);
rssiReduce = 0;
/*
* Age (reduce) last ack rssi based on how old it is.
* The bizarre numbers are so the delta is 160msec,
* meaning we divide by 16.
* 0msec <= dt <= 25msec: don't derate
* 25msec <= dt <= 185msec: derate linearly from 0 to 10dB
* 185msec <= dt: derate by 10dB
*/
nowMsec = A_MS_TICKGET();
dt = nowMsec - pRc->rssiTime;
if (dt >= 185) {
rssiReduce = 10;
} else if (dt >= 25) {
rssiReduce = (A_UINT8)((dt - 25) >> 4);
}
