diff options
Diffstat (limited to 'drivers/staging/rt2860/common/cmm_data_pci.c')
-rw-r--r-- | drivers/staging/rt2860/common/cmm_data_pci.c | 1147 |
1 files changed, 1147 insertions, 0 deletions
diff --git a/drivers/staging/rt2860/common/cmm_data_pci.c b/drivers/staging/rt2860/common/cmm_data_pci.c new file mode 100644 index 000000000000..e9739b45ba37 --- /dev/null +++ b/drivers/staging/rt2860/common/cmm_data_pci.c @@ -0,0 +1,1147 @@ +/* + ************************************************************************* + * Ralink Tech Inc. + * 5F., No.36, Taiyuan St., Jhubei City, + * Hsinchu County 302, + * Taiwan, R.O.C. + * + * (c) Copyright 2002-2007, Ralink Technology, Inc. + * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + * * + ************************************************************************* + */ + +/* + All functions in this file must be PCI-depended, or you should out your function + in other files. + +*/ +#include "../rt_config.h" + + +USHORT RtmpPCI_WriteTxResource( + IN PRTMP_ADAPTER pAd, + IN TX_BLK *pTxBlk, + IN BOOLEAN bIsLast, + OUT USHORT *FreeNumber) +{ + + UCHAR *pDMAHeaderBufVA; + USHORT TxIdx, RetTxIdx; + PTXD_STRUC pTxD; + UINT32 BufBasePaLow; + PRTMP_TX_RING pTxRing; + USHORT hwHeaderLen; + + // + // get Tx Ring Resource + // + pTxRing = &pAd->TxRing[pTxBlk->QueIdx]; + TxIdx = pAd->TxRing[pTxBlk->QueIdx].TxCpuIdx; + pDMAHeaderBufVA = (PUCHAR) pTxRing->Cell[TxIdx].DmaBuf.AllocVa; + BufBasePaLow = RTMP_GetPhysicalAddressLow(pTxRing->Cell[TxIdx].DmaBuf.AllocPa); + + // copy TXINFO + TXWI + WLAN Header + LLC into DMA Header Buffer + if (pTxBlk->TxFrameType == TX_AMSDU_FRAME) + { + //hwHeaderLen = ROUND_UP(pTxBlk->MpduHeaderLen-LENGTH_AMSDU_SUBFRAMEHEAD, 4)+LENGTH_AMSDU_SUBFRAMEHEAD; + hwHeaderLen = pTxBlk->MpduHeaderLen - LENGTH_AMSDU_SUBFRAMEHEAD + pTxBlk->HdrPadLen + LENGTH_AMSDU_SUBFRAMEHEAD; + } + else + { + //hwHeaderLen = ROUND_UP(pTxBlk->MpduHeaderLen, 4); + hwHeaderLen = pTxBlk->MpduHeaderLen + pTxBlk->HdrPadLen; + } + NdisMoveMemory(pDMAHeaderBufVA, pTxBlk->HeaderBuf, TXINFO_SIZE + TXWI_SIZE + hwHeaderLen); + + pTxRing->Cell[TxIdx].pNdisPacket = pTxBlk->pPacket; + pTxRing->Cell[TxIdx].pNextNdisPacket = NULL; + + // + // build Tx Descriptor + // + + pTxD = (PTXD_STRUC) pTxRing->Cell[TxIdx].AllocVa; + NdisZeroMemory(pTxD, TXD_SIZE); + + pTxD->SDPtr0 = BufBasePaLow; + pTxD->SDLen0 = TXINFO_SIZE + TXWI_SIZE + hwHeaderLen; // include padding + pTxD->SDPtr1 = PCI_MAP_SINGLE(pAd, pTxBlk, 0, 1, PCI_DMA_TODEVICE); + pTxD->SDLen1 = pTxBlk->SrcBufLen; + pTxD->LastSec0 = 0; + pTxD->LastSec1 = (bIsLast) ? 1 : 0; + + RTMPWriteTxDescriptor(pAd, pTxD, FALSE, FIFO_EDCA); + + RetTxIdx = TxIdx; + // + // Update Tx index + // + INC_RING_INDEX(TxIdx, TX_RING_SIZE); + pTxRing->TxCpuIdx = TxIdx; + + *FreeNumber -= 1; + + return RetTxIdx; +} + + +USHORT RtmpPCI_WriteSingleTxResource( + IN PRTMP_ADAPTER pAd, + IN TX_BLK *pTxBlk, + IN BOOLEAN bIsLast, + OUT USHORT *FreeNumber) +{ + + UCHAR *pDMAHeaderBufVA; + USHORT TxIdx, RetTxIdx; + PTXD_STRUC pTxD; + UINT32 BufBasePaLow; + PRTMP_TX_RING pTxRing; + USHORT hwHeaderLen; + + // + // get Tx Ring Resource + // + pTxRing = &pAd->TxRing[pTxBlk->QueIdx]; + TxIdx = pAd->TxRing[pTxBlk->QueIdx].TxCpuIdx; + pDMAHeaderBufVA = (PUCHAR) pTxRing->Cell[TxIdx].DmaBuf.AllocVa; + BufBasePaLow = RTMP_GetPhysicalAddressLow(pTxRing->Cell[TxIdx].DmaBuf.AllocPa); + + // copy TXINFO + TXWI + WLAN Header + LLC into DMA Header Buffer + //hwHeaderLen = ROUND_UP(pTxBlk->MpduHeaderLen, 4); + hwHeaderLen = pTxBlk->MpduHeaderLen + pTxBlk->HdrPadLen; + + NdisMoveMemory(pDMAHeaderBufVA, pTxBlk->HeaderBuf, TXINFO_SIZE + TXWI_SIZE + hwHeaderLen); + + pTxRing->Cell[TxIdx].pNdisPacket = pTxBlk->pPacket; + pTxRing->Cell[TxIdx].pNextNdisPacket = NULL; + + // + // build Tx Descriptor + // + pTxD = (PTXD_STRUC) pTxRing->Cell[TxIdx].AllocVa; + NdisZeroMemory(pTxD, TXD_SIZE); + + pTxD->SDPtr0 = BufBasePaLow; + pTxD->SDLen0 = TXINFO_SIZE + TXWI_SIZE + hwHeaderLen; // include padding + pTxD->SDPtr1 = PCI_MAP_SINGLE(pAd, pTxBlk, 0, 1, PCI_DMA_TODEVICE);; + pTxD->SDLen1 = pTxBlk->SrcBufLen; + pTxD->LastSec0 = 0; + pTxD->LastSec1 = (bIsLast) ? 1 : 0; + + RTMPWriteTxDescriptor(pAd, pTxD, FALSE, FIFO_EDCA); + + RetTxIdx = TxIdx; + // + // Update Tx index + // + INC_RING_INDEX(TxIdx, TX_RING_SIZE); + pTxRing->TxCpuIdx = TxIdx; + + *FreeNumber -= 1; + + return RetTxIdx; +} + + +USHORT RtmpPCI_WriteMultiTxResource( + IN PRTMP_ADAPTER pAd, + IN TX_BLK *pTxBlk, + IN UCHAR frameNum, + OUT USHORT *FreeNumber) +{ + BOOLEAN bIsLast; + UCHAR *pDMAHeaderBufVA; + USHORT TxIdx, RetTxIdx; + PTXD_STRUC pTxD; + UINT32 BufBasePaLow; + PRTMP_TX_RING pTxRing; + USHORT hwHdrLen; + UINT32 firstDMALen; + + bIsLast = ((frameNum == (pTxBlk->TotalFrameNum - 1)) ? 1 : 0); + + // + // get Tx Ring Resource + // + pTxRing = &pAd->TxRing[pTxBlk->QueIdx]; + TxIdx = pAd->TxRing[pTxBlk->QueIdx].TxCpuIdx; + pDMAHeaderBufVA = (PUCHAR) pTxRing->Cell[TxIdx].DmaBuf.AllocVa; + BufBasePaLow = RTMP_GetPhysicalAddressLow(pTxRing->Cell[TxIdx].DmaBuf.AllocPa); + + if (frameNum == 0) + { + // copy TXINFO + TXWI + WLAN Header + LLC into DMA Header Buffer + if (pTxBlk->TxFrameType == TX_AMSDU_FRAME) + //hwHdrLen = ROUND_UP(pTxBlk->MpduHeaderLen-LENGTH_AMSDU_SUBFRAMEHEAD, 4)+LENGTH_AMSDU_SUBFRAMEHEAD; + hwHdrLen = pTxBlk->MpduHeaderLen - LENGTH_AMSDU_SUBFRAMEHEAD + pTxBlk->HdrPadLen + LENGTH_AMSDU_SUBFRAMEHEAD; + else if (pTxBlk->TxFrameType == TX_RALINK_FRAME) + //hwHdrLen = ROUND_UP(pTxBlk->MpduHeaderLen-LENGTH_ARALINK_HEADER_FIELD, 4)+LENGTH_ARALINK_HEADER_FIELD; + hwHdrLen = pTxBlk->MpduHeaderLen - LENGTH_ARALINK_HEADER_FIELD + pTxBlk->HdrPadLen + LENGTH_ARALINK_HEADER_FIELD; + else + //hwHdrLen = ROUND_UP(pTxBlk->MpduHeaderLen, 4); + hwHdrLen = pTxBlk->MpduHeaderLen + pTxBlk->HdrPadLen; + + firstDMALen = TXINFO_SIZE + TXWI_SIZE + hwHdrLen; + } + else + { + firstDMALen = pTxBlk->MpduHeaderLen; + } + + NdisMoveMemory(pDMAHeaderBufVA, pTxBlk->HeaderBuf, firstDMALen); + + pTxRing->Cell[TxIdx].pNdisPacket = pTxBlk->pPacket; + pTxRing->Cell[TxIdx].pNextNdisPacket = NULL; + + // + // build Tx Descriptor + // + pTxD = (PTXD_STRUC) pTxRing->Cell[TxIdx].AllocVa; + NdisZeroMemory(pTxD, TXD_SIZE); + + pTxD->SDPtr0 = BufBasePaLow; + pTxD->SDLen0 = firstDMALen; // include padding + pTxD->SDPtr1 = PCI_MAP_SINGLE(pAd, pTxBlk, 0, 1, PCI_DMA_TODEVICE);; + pTxD->SDLen1 = pTxBlk->SrcBufLen; + pTxD->LastSec0 = 0; + pTxD->LastSec1 = (bIsLast) ? 1 : 0; + + RTMPWriteTxDescriptor(pAd, pTxD, FALSE, FIFO_EDCA); + + + RetTxIdx = TxIdx; + // + // Update Tx index + // + INC_RING_INDEX(TxIdx, TX_RING_SIZE); + pTxRing->TxCpuIdx = TxIdx; + + *FreeNumber -= 1; + + return RetTxIdx; + +} + + +VOID RtmpPCI_FinalWriteTxResource( + IN PRTMP_ADAPTER pAd, + IN TX_BLK *pTxBlk, + IN USHORT totalMPDUSize, + IN USHORT FirstTxIdx) +{ + + PTXWI_STRUC pTxWI; + PRTMP_TX_RING pTxRing; + + // + // get Tx Ring Resource + // + pTxRing = &pAd->TxRing[pTxBlk->QueIdx]; + pTxWI = (PTXWI_STRUC) pTxRing->Cell[FirstTxIdx].DmaBuf.AllocVa; + pTxWI->MPDUtotalByteCount = totalMPDUSize; + +} + + +VOID RtmpPCIDataLastTxIdx( + IN PRTMP_ADAPTER pAd, + IN UCHAR QueIdx, + IN USHORT LastTxIdx) +{ + PTXD_STRUC pTxD; + PRTMP_TX_RING pTxRing; + + // + // get Tx Ring Resource + // + pTxRing = &pAd->TxRing[QueIdx]; + + // + // build Tx Descriptor + // + pTxD = (PTXD_STRUC) pTxRing->Cell[LastTxIdx].AllocVa; + + pTxD->LastSec1 = 1; + + +} + + +USHORT RtmpPCI_WriteFragTxResource( + IN PRTMP_ADAPTER pAd, + IN TX_BLK *pTxBlk, + IN UCHAR fragNum, + OUT USHORT *FreeNumber) +{ + UCHAR *pDMAHeaderBufVA; + USHORT TxIdx, RetTxIdx; + PTXD_STRUC pTxD; + UINT32 BufBasePaLow; + PRTMP_TX_RING pTxRing; + USHORT hwHeaderLen; + UINT32 firstDMALen; + + // + // Get Tx Ring Resource + // + pTxRing = &pAd->TxRing[pTxBlk->QueIdx]; + TxIdx = pAd->TxRing[pTxBlk->QueIdx].TxCpuIdx; + pDMAHeaderBufVA = (PUCHAR) pTxRing->Cell[TxIdx].DmaBuf.AllocVa; + BufBasePaLow = RTMP_GetPhysicalAddressLow(pTxRing->Cell[TxIdx].DmaBuf.AllocPa); + + // + // Copy TXINFO + TXWI + WLAN Header + LLC into DMA Header Buffer + // + //hwHeaderLen = ROUND_UP(pTxBlk->MpduHeaderLen, 4); + hwHeaderLen = pTxBlk->MpduHeaderLen + pTxBlk->HdrPadLen; + + firstDMALen = TXINFO_SIZE + TXWI_SIZE + hwHeaderLen; + NdisMoveMemory(pDMAHeaderBufVA, pTxBlk->HeaderBuf, firstDMALen); + + + // + // Build Tx Descriptor + // + pTxD = (PTXD_STRUC) pTxRing->Cell[TxIdx].AllocVa; + NdisZeroMemory(pTxD, TXD_SIZE); + + if (fragNum == pTxBlk->TotalFragNum) + { + pTxRing->Cell[TxIdx].pNdisPacket = pTxBlk->pPacket; + pTxRing->Cell[TxIdx].pNextNdisPacket = NULL; + } + + pTxD->SDPtr0 = BufBasePaLow; + pTxD->SDLen0 = firstDMALen; // include padding + pTxD->SDPtr1 = PCI_MAP_SINGLE(pAd, pTxBlk, 0, 1, PCI_DMA_TODEVICE); + pTxD->SDLen1 = pTxBlk->SrcBufLen; + pTxD->LastSec0 = 0; + pTxD->LastSec1 = 1; + + RTMPWriteTxDescriptor(pAd, pTxD, FALSE, FIFO_EDCA); + + + RetTxIdx = TxIdx; + pTxBlk->Priv += pTxBlk->SrcBufLen; + + // + // Update Tx index + // + INC_RING_INDEX(TxIdx, TX_RING_SIZE); + pTxRing->TxCpuIdx = TxIdx; + + *FreeNumber -= 1; + + return RetTxIdx; + +} + + +/* + Must be run in Interrupt context + This function handle PCI specific TxDesc and cpu index update and kick the packet out. + */ +int RtmpPCIMgmtKickOut( + IN RTMP_ADAPTER *pAd, + IN UCHAR QueIdx, + IN PNDIS_PACKET pPacket, + IN PUCHAR pSrcBufVA, + IN UINT SrcBufLen) +{ + PTXD_STRUC pTxD; + ULONG SwIdx = pAd->MgmtRing.TxCpuIdx; + + pTxD = (PTXD_STRUC) pAd->MgmtRing.Cell[SwIdx].AllocVa; + + pAd->MgmtRing.Cell[SwIdx].pNdisPacket = pPacket; + pAd->MgmtRing.Cell[SwIdx].pNextNdisPacket = NULL; + + RTMPWriteTxDescriptor(pAd, pTxD, TRUE, FIFO_MGMT); + pTxD->LastSec0 = 1; + pTxD->LastSec1 = 1; + pTxD->DMADONE = 0; + pTxD->SDLen1 = 0; + pTxD->SDPtr0 = PCI_MAP_SINGLE(pAd, pSrcBufVA, SrcBufLen, 0, PCI_DMA_TODEVICE); + pTxD->SDLen0 = SrcBufLen; + + +//================================================================== +/* DBGPRINT_RAW(RT_DEBUG_TRACE, ("MLMEHardTransmit\n")); + for (i = 0; i < (TXWI_SIZE+24); i++) + { + + DBGPRINT_RAW(RT_DEBUG_TRACE, ("%x:", *(pSrcBufVA+i))); + if ( i%4 == 3) + DBGPRINT_RAW(RT_DEBUG_TRACE, (" :: ")); + if ( i%16 == 15) + DBGPRINT_RAW(RT_DEBUG_TRACE, ("\n ")); + } + DBGPRINT_RAW(RT_DEBUG_TRACE, ("\n "));*/ +//======================================================================= + + pAd->RalinkCounters.KickTxCount++; + pAd->RalinkCounters.OneSecTxDoneCount++; + + // Increase TX_CTX_IDX, but write to register later. + INC_RING_INDEX(pAd->MgmtRing.TxCpuIdx, MGMT_RING_SIZE); + + RTMP_IO_WRITE32(pAd, TX_MGMTCTX_IDX, pAd->MgmtRing.TxCpuIdx); + + return 0; +} + + +/* + ======================================================================== + + Routine Description: + Check Rx descriptor, return NDIS_STATUS_FAILURE if any error dound + + Arguments: + pRxD Pointer to the Rx descriptor + + Return Value: + NDIS_STATUS_SUCCESS No err + NDIS_STATUS_FAILURE Error + + Note: + + ======================================================================== +*/ +NDIS_STATUS RTMPCheckRxError( + IN PRTMP_ADAPTER pAd, + IN PHEADER_802_11 pHeader, + IN PRXWI_STRUC pRxWI, + IN PRT28XX_RXD_STRUC pRxD) +{ + PCIPHER_KEY pWpaKey; + INT dBm; + + // Phy errors & CRC errors + if (/*(pRxD->PhyErr) ||*/ (pRxD->Crc)) + { + // Check RSSI for Noise Hist statistic collection. + dBm = (INT) (pRxWI->RSSI0) - pAd->BbpRssiToDbmDelta; + if (dBm <= -87) + pAd->StaCfg.RPIDensity[0] += 1; + else if (dBm <= -82) + pAd->StaCfg.RPIDensity[1] += 1; + else if (dBm <= -77) + pAd->StaCfg.RPIDensity[2] += 1; + else if (dBm <= -72) + pAd->StaCfg.RPIDensity[3] += 1; + else if (dBm <= -67) + pAd->StaCfg.RPIDensity[4] += 1; + else if (dBm <= -62) + pAd->StaCfg.RPIDensity[5] += 1; + else if (dBm <= -57) + pAd->StaCfg.RPIDensity[6] += 1; + else if (dBm > -57) + pAd->StaCfg.RPIDensity[7] += 1; + + return(NDIS_STATUS_FAILURE); + } + + // Add Rx size to channel load counter, we should ignore error counts + pAd->StaCfg.CLBusyBytes += (pRxD->SDL0 + 14); + + // Drop ToDs promiscous frame, it is opened due to CCX 2 channel load statistics + if (pHeader != NULL) + { + if (pHeader->FC.ToDs) + { + return(NDIS_STATUS_FAILURE); + } + } + + // Drop not U2M frames, cant's drop here because we will drop beacon in this case + // I am kind of doubting the U2M bit operation + // if (pRxD->U2M == 0) + // return(NDIS_STATUS_FAILURE); + + // drop decyption fail frame + if (pRxD->CipherErr) + { + if (pRxD->CipherErr == 2) + {DBGPRINT_RAW(RT_DEBUG_TRACE,("pRxD ERROR: ICV ok but MICErr "));} + else if (pRxD->CipherErr == 1) + {DBGPRINT_RAW(RT_DEBUG_TRACE,("pRxD ERROR: ICV Err "));} + else if (pRxD->CipherErr == 3) + DBGPRINT_RAW(RT_DEBUG_TRACE,("pRxD ERROR: Key not valid ")); + + if (((pRxD->CipherErr & 1) == 1) && pAd->CommonCfg.bWirelessEvent && INFRA_ON(pAd)) + RTMPSendWirelessEvent(pAd, IW_ICV_ERROR_EVENT_FLAG, pAd->MacTab.Content[BSSID_WCID].Addr, BSS0, 0); + + DBGPRINT_RAW(RT_DEBUG_TRACE,(" %d (len=%d, Mcast=%d, MyBss=%d, Wcid=%d, KeyId=%d)\n", + pRxD->CipherErr, + pRxD->SDL0, + pRxD->Mcast | pRxD->Bcast, + pRxD->MyBss, + pRxWI->WirelessCliID, +// CipherName[pRxD->CipherAlg], + pRxWI->KeyIndex)); + + // + // MIC Error + // + if (pRxD->CipherErr == 2) + { + pWpaKey = &pAd->SharedKey[BSS0][pRxWI->KeyIndex]; + if (pAd->StaCfg.WpaSupplicantUP) + WpaSendMicFailureToWpaSupplicant(pAd, + (pWpaKey->Type == PAIRWISEKEY) ? TRUE:FALSE); + else + RTMPReportMicError(pAd, pWpaKey); + + if (((pRxD->CipherErr & 2) == 2) && pAd->CommonCfg.bWirelessEvent && INFRA_ON(pAd)) + RTMPSendWirelessEvent(pAd, IW_MIC_ERROR_EVENT_FLAG, pAd->MacTab.Content[BSSID_WCID].Addr, BSS0, 0); + + DBGPRINT_RAW(RT_DEBUG_ERROR,("Rx MIC Value error\n")); + } + + if (pHeader == NULL) + return(NDIS_STATUS_SUCCESS); + /*if ((pRxD->CipherAlg == CIPHER_AES) && + (pHeader->Sequence == pAd->FragFrame.Sequence)) + { + // + // Acceptable since the First FragFrame no CipherErr problem. + // + return(NDIS_STATUS_SUCCESS); + }*/ + + return(NDIS_STATUS_FAILURE); + } + + return(NDIS_STATUS_SUCCESS); +} + + +BOOLEAN RTMPFreeTXDUponTxDmaDone( + IN PRTMP_ADAPTER pAd, + IN UCHAR QueIdx) +{ + PRTMP_TX_RING pTxRing; + PTXD_STRUC pTxD; + PNDIS_PACKET pPacket; + UCHAR FREE = 0; + TXD_STRUC TxD, *pOriTxD; + //ULONG IrqFlags; + BOOLEAN bReschedule = FALSE; + + + ASSERT(QueIdx < NUM_OF_TX_RING); + pTxRing = &pAd->TxRing[QueIdx]; + + RTMP_IO_READ32(pAd, TX_DTX_IDX0 + QueIdx * RINGREG_DIFF, &pTxRing->TxDmaIdx); + while (pTxRing->TxSwFreeIdx != pTxRing->TxDmaIdx) + { +// RTMP_IRQ_LOCK(&pAd->irq_lock, IrqFlags); + + // static rate also need NICUpdateFifoStaCounters() function. + //if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_TX_RATE_SWITCH_ENABLED)) + NICUpdateFifoStaCounters(pAd); + + /* Note : If (pAd->ate.bQATxStart == TRUE), we will never reach here. */ + FREE++; + pTxD = (PTXD_STRUC) (pTxRing->Cell[pTxRing->TxSwFreeIdx].AllocVa); + pOriTxD = pTxD; + NdisMoveMemory(&TxD, pTxD, sizeof(TXD_STRUC)); + pTxD = &TxD; + + pTxD->DMADONE = 0; + + + { + pPacket = pTxRing->Cell[pTxRing->TxSwFreeIdx].pNdisPacket; + if (pPacket) + { + PCI_UNMAP_SINGLE(pAd, pTxD->SDPtr1, pTxD->SDLen1, PCI_DMA_TODEVICE); + RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_SUCCESS); + } + //Always assign pNdisPacket as NULL after clear + pTxRing->Cell[pTxRing->TxSwFreeIdx].pNdisPacket = NULL; + + pPacket = pTxRing->Cell[pTxRing->TxSwFreeIdx].pNextNdisPacket; + + ASSERT(pPacket == NULL); + if (pPacket) + { + PCI_UNMAP_SINGLE(pAd, pTxD->SDPtr1, pTxD->SDLen1, PCI_DMA_TODEVICE); + RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_SUCCESS); + } + //Always assign pNextNdisPacket as NULL after clear + pTxRing->Cell[pTxRing->TxSwFreeIdx].pNextNdisPacket = NULL; + } + + pAd->RalinkCounters.TransmittedByteCount += (pTxD->SDLen1 + pTxD->SDLen0); + pAd->RalinkCounters.OneSecDmaDoneCount[QueIdx] ++; + INC_RING_INDEX(pTxRing->TxSwFreeIdx, TX_RING_SIZE); + /* get tx_tdx_idx again */ + RTMP_IO_READ32(pAd, TX_DTX_IDX0 + QueIdx * RINGREG_DIFF , &pTxRing->TxDmaIdx); + NdisMoveMemory(pOriTxD, pTxD, sizeof(TXD_STRUC)); + +// RTMP_IRQ_UNLOCK(&pAd->irq_lock, IrqFlags); + } + + + return bReschedule; + +} + + +/* + ======================================================================== + + Routine Description: + Process TX Rings DMA Done interrupt, running in DPC level + + Arguments: + Adapter Pointer to our adapter + + Return Value: + None + + IRQL = DISPATCH_LEVEL + + ======================================================================== +*/ +BOOLEAN RTMPHandleTxRingDmaDoneInterrupt( + IN PRTMP_ADAPTER pAd, + IN INT_SOURCE_CSR_STRUC TxRingBitmap) +{ +// UCHAR Count = 0; + unsigned long IrqFlags; + BOOLEAN bReschedule = FALSE; + + // Make sure Tx ring resource won't be used by other threads + //NdisAcquireSpinLock(&pAd->TxRingLock); + + RTMP_IRQ_LOCK(&pAd->irq_lock, IrqFlags); + + if (TxRingBitmap.field.Ac0DmaDone) + bReschedule = RTMPFreeTXDUponTxDmaDone(pAd, QID_AC_BE); + + if (TxRingBitmap.field.Ac3DmaDone) + bReschedule |= RTMPFreeTXDUponTxDmaDone(pAd, QID_AC_VO); + + if (TxRingBitmap.field.Ac2DmaDone) + bReschedule |= RTMPFreeTXDUponTxDmaDone(pAd, QID_AC_VI); + + if (TxRingBitmap.field.Ac1DmaDone) + bReschedule |= RTMPFreeTXDUponTxDmaDone(pAd, QID_AC_BK); + + // Make sure to release Tx ring resource + //NdisReleaseSpinLock(&pAd->TxRingLock); + RTMP_IRQ_UNLOCK(&pAd->irq_lock, IrqFlags); + + // Dequeue outgoing frames from TxSwQueue[] and process it + RTMPDeQueuePacket(pAd, FALSE, NUM_OF_TX_RING, MAX_TX_PROCESS); + + return bReschedule; +} + + +/* + ======================================================================== + + Routine Description: + Process MGMT ring DMA done interrupt, running in DPC level + + Arguments: + pAd Pointer to our adapter + + Return Value: + None + + IRQL = DISPATCH_LEVEL + + Note: + + ======================================================================== +*/ +VOID RTMPHandleMgmtRingDmaDoneInterrupt( + IN PRTMP_ADAPTER pAd) +{ + PTXD_STRUC pTxD; + PNDIS_PACKET pPacket; +// int i; + UCHAR FREE = 0; + PRTMP_MGMT_RING pMgmtRing = &pAd->MgmtRing; + + NdisAcquireSpinLock(&pAd->MgmtRingLock); + + RTMP_IO_READ32(pAd, TX_MGMTDTX_IDX, &pMgmtRing->TxDmaIdx); + while (pMgmtRing->TxSwFreeIdx!= pMgmtRing->TxDmaIdx) + { + FREE++; + pTxD = (PTXD_STRUC) (pMgmtRing->Cell[pAd->MgmtRing.TxSwFreeIdx].AllocVa); + pTxD->DMADONE = 0; + pPacket = pMgmtRing->Cell[pMgmtRing->TxSwFreeIdx].pNdisPacket; + + + if (pPacket) + { + PCI_UNMAP_SINGLE(pAd, pTxD->SDPtr0, pTxD->SDLen0, PCI_DMA_TODEVICE); + RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_SUCCESS); + } + pMgmtRing->Cell[pMgmtRing->TxSwFreeIdx].pNdisPacket = NULL; + + pPacket = pMgmtRing->Cell[pMgmtRing->TxSwFreeIdx].pNextNdisPacket; + if (pPacket) + { + PCI_UNMAP_SINGLE(pAd, pTxD->SDPtr1, pTxD->SDLen1, PCI_DMA_TODEVICE); + RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_SUCCESS); + } + pMgmtRing->Cell[pMgmtRing->TxSwFreeIdx].pNextNdisPacket = NULL; + INC_RING_INDEX(pMgmtRing->TxSwFreeIdx, MGMT_RING_SIZE); + + } + NdisReleaseSpinLock(&pAd->MgmtRingLock); + +} + + +/* + ======================================================================== + + Routine Description: + Arguments: + Adapter Pointer to our adapter. Dequeue all power safe delayed braodcast frames after beacon. + + IRQL = DISPATCH_LEVEL + + ======================================================================== +*/ +VOID RTMPHandleTBTTInterrupt( + IN PRTMP_ADAPTER pAd) +{ + { + if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE)) + { + } + } +} + + +/* + ======================================================================== + + Routine Description: + Arguments: + pAd Pointer to our adapter. Rewrite beacon content before next send-out. + + IRQL = DISPATCH_LEVEL + + ======================================================================== +*/ +VOID RTMPHandlePreTBTTInterrupt( + IN PRTMP_ADAPTER pAd) +{ + { + if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE)) + { + DBGPRINT(RT_DEBUG_TRACE, ("RTMPHandlePreTBTTInterrupt...\n")); + } + } + + +} + +VOID RTMPHandleRxCoherentInterrupt( + IN PRTMP_ADAPTER pAd) +{ + WPDMA_GLO_CFG_STRUC GloCfg; + + if (pAd == NULL) + { + DBGPRINT(RT_DEBUG_TRACE, ("====> pAd is NULL, return.\n")); + return; + } + + DBGPRINT(RT_DEBUG_TRACE, ("==> RTMPHandleRxCoherentInterrupt \n")); + + RTMP_IO_READ32(pAd, WPDMA_GLO_CFG , &GloCfg.word); + + GloCfg.field.EnTXWriteBackDDONE = 0; + GloCfg.field.EnableRxDMA = 0; + GloCfg.field.EnableTxDMA = 0; + RTMP_IO_WRITE32(pAd, WPDMA_GLO_CFG, GloCfg.word); + + RTMPRingCleanUp(pAd, QID_AC_BE); + RTMPRingCleanUp(pAd, QID_AC_BK); + RTMPRingCleanUp(pAd, QID_AC_VI); + RTMPRingCleanUp(pAd, QID_AC_VO); + RTMPRingCleanUp(pAd, QID_MGMT); + RTMPRingCleanUp(pAd, QID_RX); + + RTMPEnableRxTx(pAd); + + DBGPRINT(RT_DEBUG_TRACE, ("<== RTMPHandleRxCoherentInterrupt \n")); +} + +PNDIS_PACKET GetPacketFromRxRing( + IN PRTMP_ADAPTER pAd, + OUT PRT28XX_RXD_STRUC pSaveRxD, + OUT BOOLEAN *pbReschedule, + IN OUT UINT32 *pRxPending) +{ + PRXD_STRUC pRxD; + PNDIS_PACKET pRxPacket = NULL; + PNDIS_PACKET pNewPacket; + PVOID AllocVa; + NDIS_PHYSICAL_ADDRESS AllocPa; + BOOLEAN bReschedule = FALSE; + RTMP_DMACB *pRxCell; + + RTMP_SEM_LOCK(&pAd->RxRingLock); + + if (*pRxPending == 0) + { + // Get how may packets had been received + RTMP_IO_READ32(pAd, RX_DRX_IDX , &pAd->RxRing.RxDmaIdx); + + if (pAd->RxRing.RxSwReadIdx == pAd->RxRing.RxDmaIdx) + { + // no more rx packets + bReschedule = FALSE; + goto done; + } + + // get rx pending count + if (pAd->RxRing.RxDmaIdx > pAd->RxRing.RxSwReadIdx) + *pRxPending = pAd->RxRing.RxDmaIdx - pAd->RxRing.RxSwReadIdx; + else + *pRxPending = pAd->RxRing.RxDmaIdx + RX_RING_SIZE - pAd->RxRing.RxSwReadIdx; + + } + + pRxCell = &pAd->RxRing.Cell[pAd->RxRing.RxSwReadIdx]; + + // Point to Rx indexed rx ring descriptor + pRxD = (PRXD_STRUC) pRxCell->AllocVa; + + if (pRxD->DDONE == 0) + { + *pRxPending = 0; + // DMAIndx had done but DDONE bit not ready + bReschedule = TRUE; + goto done; + } + + + // return rx descriptor + NdisMoveMemory(pSaveRxD, pRxD, RXD_SIZE); + + pNewPacket = RTMP_AllocateRxPacketBuffer(pAd, RX_BUFFER_AGGRESIZE, FALSE, &AllocVa, &AllocPa); + + if (pNewPacket) + { + // unmap the rx buffer + PCI_UNMAP_SINGLE(pAd, pRxCell->DmaBuf.AllocPa, + pRxCell->DmaBuf.AllocSize, PCI_DMA_FROMDEVICE); + pRxPacket = pRxCell->pNdisPacket; + + pRxCell->DmaBuf.AllocSize = RX_BUFFER_AGGRESIZE; + pRxCell->pNdisPacket = (PNDIS_PACKET) pNewPacket; + pRxCell->DmaBuf.AllocVa = AllocVa; + pRxCell->DmaBuf.AllocPa = AllocPa; + /* update SDP0 to new buffer of rx packet */ + pRxD->SDP0 = AllocPa; + } + else + { + //DBGPRINT(RT_DEBUG_TRACE,("No Rx Buffer\n")); + pRxPacket = NULL; + bReschedule = TRUE; + } + + pRxD->DDONE = 0; + + // had handled one rx packet + *pRxPending = *pRxPending - 1; + + // update rx descriptor and kick rx + INC_RING_INDEX(pAd->RxRing.RxSwReadIdx, RX_RING_SIZE); + + pAd->RxRing.RxCpuIdx = (pAd->RxRing.RxSwReadIdx == 0) ? (RX_RING_SIZE-1) : (pAd->RxRing.RxSwReadIdx-1); + RTMP_IO_WRITE32(pAd, RX_CRX_IDX, pAd->RxRing.RxCpuIdx); + +done: + RTMP_SEM_UNLOCK(&pAd->RxRingLock); + *pbReschedule = bReschedule; + return pRxPacket; +} + + +NDIS_STATUS MlmeHardTransmitTxRing( + IN PRTMP_ADAPTER pAd, + IN UCHAR QueIdx, + IN PNDIS_PACKET pPacket) +{ + PACKET_INFO PacketInfo; + PUCHAR pSrcBufVA; + UINT SrcBufLen; + PTXD_STRUC pTxD; + PHEADER_802_11 pHeader_802_11; + BOOLEAN bAckRequired, bInsertTimestamp; + ULONG SrcBufPA; + //UCHAR TxBufIdx; + UCHAR MlmeRate; + ULONG SwIdx = pAd->TxRing[QueIdx].TxCpuIdx; + PTXWI_STRUC pFirstTxWI; + //ULONG i; + //HTTRANSMIT_SETTING MlmeTransmit; //Rate for this MGMT frame. + ULONG FreeNum; + MAC_TABLE_ENTRY *pMacEntry = NULL; + + + RTMP_QueryPacketInfo(pPacket, &PacketInfo, &pSrcBufVA, &SrcBufLen); + + + if (pSrcBufVA == NULL) + { + // The buffer shouldn't be NULL + return NDIS_STATUS_FAILURE; + } + + // Make sure MGMT ring resource won't be used by other threads + //NdisAcquireSpinLock(&pAd->TxRingLock); + + FreeNum = GET_TXRING_FREENO(pAd, QueIdx); + + if (FreeNum == 0) + { + //NdisReleaseSpinLock(&pAd->TxRingLock); + return NDIS_STATUS_FAILURE; + } + + SwIdx = pAd->TxRing[QueIdx].TxCpuIdx; + + pTxD = (PTXD_STRUC) pAd->TxRing[QueIdx].Cell[SwIdx].AllocVa; + + if (pAd->TxRing[QueIdx].Cell[SwIdx].pNdisPacket) + { + DBGPRINT(RT_DEBUG_OFF, ("MlmeHardTransmit Error\n")); + //NdisReleaseSpinLock(&pAd->TxRingLock); + return NDIS_STATUS_FAILURE; + } + + { + // outgoing frame always wakeup PHY to prevent frame lost + // if (pAd->StaCfg.Psm == PWR_SAVE) + if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE)) + AsicForceWakeup(pAd, TRUE); + } + pFirstTxWI =(PTXWI_STRUC)pSrcBufVA; + + pHeader_802_11 = (PHEADER_802_11) (pSrcBufVA + TXWI_SIZE); + if (pHeader_802_11->Addr1[0] & 0x01) + { + MlmeRate = pAd->CommonCfg.BasicMlmeRate; + } + else + { + MlmeRate = pAd->CommonCfg.MlmeRate; + } + + if ((pHeader_802_11->FC.Type == BTYPE_DATA) && + (pHeader_802_11->FC.SubType == SUBTYPE_QOS_NULL)) + { + pMacEntry = MacTableLookup(pAd, pHeader_802_11->Addr1); + } + + // Verify Mlme rate for a / g bands. + if ((pAd->LatchRfRegs.Channel > 14) && (MlmeRate < RATE_6)) // 11A band + MlmeRate = RATE_6; + + // + // Should not be hard code to set PwrMgmt to 0 (PWR_ACTIVE) + // Snice it's been set to 0 while on MgtMacHeaderInit + // By the way this will cause frame to be send on PWR_SAVE failed. + // + // + // In WMM-UAPSD, mlme frame should be set psm as power saving but probe request frame + // Data-Null packets alse pass through MMRequest in RT2860, however, we hope control the psm bit to pass APSD + if (pHeader_802_11->FC.Type != BTYPE_DATA) + { + if ((pHeader_802_11->FC.SubType == SUBTYPE_PROBE_REQ) || !(pAd->CommonCfg.bAPSDCapable && pAd->CommonCfg.APEdcaParm.bAPSDCapable)) + { + pHeader_802_11->FC.PwrMgmt = PWR_ACTIVE; + } + else + { + pHeader_802_11->FC.PwrMgmt = pAd->CommonCfg.bAPSDForcePowerSave; + } + } + + bInsertTimestamp = FALSE; + if (pHeader_802_11->FC.Type == BTYPE_CNTL) // must be PS-POLL + { + bAckRequired = FALSE; + } + else // BTYPE_MGMT or BTYPE_DATA(must be NULL frame) + { + if (pHeader_802_11->Addr1[0] & 0x01) // MULTICAST, BROADCAST + { + bAckRequired = FALSE; + pHeader_802_11->Duration = 0; + } + else + { + bAckRequired = TRUE; + pHeader_802_11->Duration = RTMPCalcDuration(pAd, MlmeRate, 14); + if (pHeader_802_11->FC.SubType == SUBTYPE_PROBE_RSP) + { + bInsertTimestamp = TRUE; + } + } + } + pHeader_802_11->Sequence = pAd->Sequence++; + if (pAd->Sequence > 0xfff) + pAd->Sequence = 0; + // Before radar detection done, mgmt frame can not be sent but probe req + // Because we need to use probe req to trigger driver to send probe req in passive scan + if ((pHeader_802_11->FC.SubType != SUBTYPE_PROBE_REQ) + && (pAd->CommonCfg.bIEEE80211H == 1) + && (pAd->CommonCfg.RadarDetect.RDMode != RD_NORMAL_MODE)) + { + DBGPRINT(RT_DEBUG_ERROR,("MlmeHardTransmit --> radar detect not in normal mode !!!\n")); + //NdisReleaseSpinLock(&pAd->TxRingLock); + return (NDIS_STATUS_FAILURE); + } + + // + // fill scatter-and-gather buffer list into TXD. Internally created NDIS PACKET + // should always has only one ohysical buffer, and the whole frame size equals + // to the first scatter buffer size + // + + // Initialize TX Descriptor + // For inter-frame gap, the number is for this frame and next frame + // For MLME rate, we will fix as 2Mb to match other vendor's implement +// pAd->CommonCfg.MlmeTransmit.field.MODE = 1; + +// management frame doesn't need encryption. so use RESERVED_WCID no matter u are sending to specific wcid or not. + // Only beacon use Nseq=TRUE. So here we use Nseq=FALSE. + if (pMacEntry == NULL) + { + RTMPWriteTxWI(pAd, pFirstTxWI, FALSE, FALSE, bInsertTimestamp, FALSE, bAckRequired, FALSE, + 0, RESERVED_WCID, (SrcBufLen - TXWI_SIZE), PID_MGMT, 0, (UCHAR)pAd->CommonCfg.MlmeTransmit.field.MCS, IFS_BACKOFF, FALSE, &pAd->CommonCfg.MlmeTransmit); + } + else + { + RTMPWriteTxWI(pAd, pFirstTxWI, FALSE, FALSE, + bInsertTimestamp, FALSE, bAckRequired, FALSE, + 0, pMacEntry->Aid, (SrcBufLen - TXWI_SIZE), + pMacEntry->MaxHTPhyMode.field.MCS, 0, + (UCHAR)pMacEntry->MaxHTPhyMode.field.MCS, + IFS_BACKOFF, FALSE, &pMacEntry->MaxHTPhyMode); + } + + pAd->TxRing[QueIdx].Cell[SwIdx].pNdisPacket = pPacket; + pAd->TxRing[QueIdx].Cell[SwIdx].pNextNdisPacket = NULL; +// pFirstTxWI->MPDUtotalByteCount = SrcBufLen - TXWI_SIZE; + SrcBufPA = PCI_MAP_SINGLE(pAd, pSrcBufVA, SrcBufLen, 0, PCI_DMA_TODEVICE); + + + RTMPWriteTxDescriptor(pAd, pTxD, TRUE, FIFO_EDCA); + pTxD->LastSec0 = 1; + pTxD->LastSec1 = 1; + pTxD->SDLen0 = SrcBufLen; + pTxD->SDLen1 = 0; + pTxD->SDPtr0 = SrcBufPA; + pTxD->DMADONE = 0; + + + pAd->RalinkCounters.KickTxCount++; + pAd->RalinkCounters.OneSecTxDoneCount++; + + // Increase TX_CTX_IDX, but write to register later. + INC_RING_INDEX(pAd->TxRing[QueIdx].TxCpuIdx, TX_RING_SIZE); + + RTMP_IO_WRITE32(pAd, TX_CTX_IDX0 + QueIdx*0x10, pAd->TxRing[QueIdx].TxCpuIdx); + + // Make sure to release MGMT ring resource +// NdisReleaseSpinLock(&pAd->TxRingLock); + + return NDIS_STATUS_SUCCESS; +} + + +NDIS_STATUS MlmeDataHardTransmit( + IN PRTMP_ADAPTER pAd, + IN UCHAR QueIdx, + IN PNDIS_PACKET pPacket) +{ + if ((pAd->CommonCfg.RadarDetect.RDMode != RD_NORMAL_MODE) + ) + { + return NDIS_STATUS_FAILURE; + } + + return MlmeHardTransmitTxRing(pAd,QueIdx,pPacket); +} + + +/* + ======================================================================== + + Routine Description: + Calculates the duration which is required to transmit out frames + with given size and specified rate. + + Arguments: + pTxD Pointer to transmit descriptor + Ack Setting for Ack requirement bit + Fragment Setting for Fragment bit + RetryMode Setting for retry mode + Ifs Setting for IFS gap + Rate Setting for transmit rate + Service Setting for service + Length Frame length + TxPreamble Short or Long preamble when using CCK rates + QueIdx - 0-3, according to 802.11e/d4.4 June/2003 + + Return Value: + None + + IRQL = PASSIVE_LEVEL + IRQL = DISPATCH_LEVEL + + ======================================================================== +*/ +VOID RTMPWriteTxDescriptor( + IN PRTMP_ADAPTER pAd, + IN PTXD_STRUC pTxD, + IN BOOLEAN bWIV, + IN UCHAR QueueSEL) +{ + // + // Always use Long preamble before verifiation short preamble functionality works well. + // Todo: remove the following line if short preamble functionality works + // + OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_SHORT_PREAMBLE_INUSED); + + pTxD->WIV = (bWIV) ? 1: 0; + pTxD->QSEL= (QueueSEL); + //RT2860c?? fixed using EDCA queue for test... We doubt Queue1 has problem. 2006-09-26 Jan + //pTxD->QSEL= FIFO_EDCA; + pTxD->DMADONE = 0; +} |