/* ************************************************************************* * Ralink Tech Inc. * 5F., No.36, Taiyuan St., Jhubei City, * Hsinchu County 302, * Taiwan, R.O.C. * * (c) Copyright 2002-2010, 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. * * * *************************************************************************/ #ifdef RTMP_MAC_USB #include "rt_config.h" /* We can do copy the frame into pTxContext when match following conditions. => => => */ static inline NDIS_STATUS RtmpUSBCanDoWrite( IN RTMP_ADAPTER *pAd, IN UCHAR QueIdx, IN HT_TX_CONTEXT *pHTTXContext) { NDIS_STATUS canWrite = NDIS_STATUS_RESOURCES; #ifdef USB_BULK_BUF_ALIGMENT if( ((pHTTXContext->CurWriteIdx< pHTTXContext->NextBulkIdx ) && (pHTTXContext->NextBulkIdx - pHTTXContext->CurWriteIdx == 1)) || ((pHTTXContext->CurWriteIdx ==(BUF_ALIGMENT_RINGSIZE -1) ) && (pHTTXContext->NextBulkIdx == 0 ))) { DBGPRINT(RT_DEBUG_ERROR,("RtmpUSBCanDoWrite USB_BULK_BUF_ALIGMENT c1!\n")); RTUSB_SET_BULK_FLAG(pAd, (fRTUSB_BULK_OUT_DATA_NORMAL << QueIdx)); } else if (pHTTXContext->bCurWriting == TRUE) { DBGPRINT(RT_DEBUG_ERROR,("RtmpUSBCanDoWrite USB_BULK_BUF_ALIGMENT c2!!\n")); } #else if (((pHTTXContext->CurWritePosition) < pHTTXContext->NextBulkOutPosition) && (pHTTXContext->CurWritePosition + LOCAL_TXBUF_SIZE) > pHTTXContext->NextBulkOutPosition) { DBGPRINT(RT_DEBUG_ERROR,("RtmpUSBCanDoWrite c1!\n")); RTUSB_SET_BULK_FLAG(pAd, (fRTUSB_BULK_OUT_DATA_NORMAL << QueIdx)); } else if ((pHTTXContext->CurWritePosition == 8) && (pHTTXContext->NextBulkOutPosition < LOCAL_TXBUF_SIZE)) { DBGPRINT(RT_DEBUG_ERROR,("RtmpUSBCanDoWrite c2!\n")); RTUSB_SET_BULK_FLAG(pAd, (fRTUSB_BULK_OUT_DATA_NORMAL << QueIdx)); } else if (pHTTXContext->bCurWriting == TRUE) { DBGPRINT(RT_DEBUG_ERROR,("RtmpUSBCanDoWrite c3!\n")); } else if ((pHTTXContext->ENextBulkOutPosition == 8) && ((pHTTXContext->CurWritePosition + 7912 ) > MAX_TXBULK_LIMIT) ) { DBGPRINT(RT_DEBUG_ERROR,("RtmpUSBCanDoWrite c4!\n")); RTUSB_SET_BULK_FLAG(pAd, (fRTUSB_BULK_OUT_DATA_NORMAL << QueIdx)); } #endif /* USB_BULK_BUF_ALIGMENT */ else { canWrite = NDIS_STATUS_SUCCESS; } return canWrite; } USHORT RtmpUSB_WriteSubTxResource( IN PRTMP_ADAPTER pAd, IN TX_BLK *pTxBlk, IN BOOLEAN bIsLast, OUT USHORT *FreeNumber) { /* Dummy function. Should be removed in the future.*/ return 0; } USHORT RtmpUSB_WriteFragTxResource( IN PRTMP_ADAPTER pAd, IN TX_BLK *pTxBlk, IN UCHAR fragNum, OUT USHORT *FreeNumber) { HT_TX_CONTEXT *pHTTXContext; USHORT hwHdrLen; /* The hwHdrLen consist of 802.11 header length plus the header padding length.*/ UINT32 fillOffset; TXINFO_STRUC *pTxInfo; TXWI_STRUC *pTxWI; PUCHAR pWirelessPacket = NULL; UCHAR QueIdx; NDIS_STATUS Status; unsigned long IrqFlags; UINT32 USBDMApktLen = 0, DMAHdrLen, padding; #ifdef USB_BULK_BUF_ALIGMENT BOOLEAN bLasAlignmentsectiontRound = FALSE; #else BOOLEAN TxQLastRound = FALSE; #endif /* USB_BULK_BUF_ALIGMENT */ UINT8 TXWISize = pAd->chipCap.TXWISize; /* get Tx Ring Resource & Dma Buffer address*/ QueIdx = pTxBlk->QueIdx; pHTTXContext = &pAd->TxContext[QueIdx]; RTMP_IRQ_LOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); pHTTXContext = &pAd->TxContext[QueIdx]; fillOffset = pHTTXContext->CurWritePosition; if(fragNum == 0) { /* Check if we have enough space for this bulk-out batch.*/ Status = RtmpUSBCanDoWrite(pAd, QueIdx, pHTTXContext); if (Status == NDIS_STATUS_SUCCESS) { pHTTXContext->bCurWriting = TRUE; #ifndef USB_BULK_BUF_ALIGMENT /* Reserve space for 8 bytes padding.*/ if ((pHTTXContext->ENextBulkOutPosition == pHTTXContext->CurWritePosition)) { pHTTXContext->ENextBulkOutPosition += 8; pHTTXContext->CurWritePosition += 8; fillOffset += 8; } #endif /* USB_BULK_BUF_ALIGMENT */ pTxBlk->Priv = 0; pHTTXContext->CurWriteRealPos = pHTTXContext->CurWritePosition; } else { RTMP_IRQ_UNLOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); if (fragNum == pTxBlk->TotalFragNum) RELEASE_NDIS_PACKET(pAd, pTxBlk->pPacket, NDIS_STATUS_FAILURE); return(Status); } } else { /* For sub-sequent frames of this bulk-out batch. Just copy it to our bulk-out buffer.*/ Status = ((pHTTXContext->bCurWriting == TRUE) ? NDIS_STATUS_SUCCESS : NDIS_STATUS_FAILURE); if (Status == NDIS_STATUS_SUCCESS) { fillOffset += pTxBlk->Priv; } else { RTMP_IRQ_UNLOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); if (fragNum == pTxBlk->TotalFragNum) RELEASE_NDIS_PACKET(pAd, pTxBlk->pPacket, NDIS_STATUS_FAILURE); return(Status); } } NdisZeroMemory((PUCHAR)(&pTxBlk->HeaderBuf[0]), TXINFO_SIZE); pTxInfo = (PTXINFO_STRUC)(&pTxBlk->HeaderBuf[0]); pTxWI= (PTXWI_STRUC)(&pTxBlk->HeaderBuf[TXINFO_SIZE]); #ifdef USB_BULK_BUF_ALIGMENT INT idx=0; idx = pHTTXContext->CurWriteIdx; pWirelessPacket = &pHTTXContext->TransferBuffer[idx]->field.WirelessPacket[fillOffset]; #else pWirelessPacket = &pHTTXContext->TransferBuffer->field.WirelessPacket[fillOffset]; #endif /* USB_BULK_BUF_ALIGMENT */ /* copy TXWI + WLAN Header + LLC into DMA Header Buffer*/ /*hwHdrLen = ROUND_UP(pTxBlk->MpduHeaderLen, 4);*/ hwHdrLen = pTxBlk->MpduHeaderLen + pTxBlk->HdrPadLen; /* Build our URB for USBD*/ DMAHdrLen = TXWISize + hwHdrLen; USBDMApktLen = DMAHdrLen + pTxBlk->SrcBufLen; padding = (4 - (USBDMApktLen % 4)) & 0x03; /* round up to 4 byte alignment*/ USBDMApktLen += padding; pTxBlk->Priv += (TXINFO_SIZE + USBDMApktLen); /* For TxInfo, the length of USBDMApktLen = TXWI_SIZE + 802.11 header + payload*/ #if defined(CONFIG_MULTI_CHANNEL) || defined(DOT11Z_TDLS_SUPPORT) if ((pTxBlk->OpMode == OPMODE_AP) || ((pAd->StaCfg.TdlsInfo.TdlsAsicOperateChannel != pAd->CommonCfg.Channel) && TX_BLK_TEST_FLAG(pTxBlk, fTX_bTdlsEntry))) RTMPWriteTxInfo(pAd, pTxInfo, (USHORT)(USBDMApktLen), FALSE, FIFO_HCCA, FALSE, FALSE); else #endif /* defined(CONFIG_MULTI_CHANNEL) || defined(DOT11Z_TDLS_SUPPORT) */ RTMPWriteTxInfo(pAd, pTxInfo, (USHORT)(USBDMApktLen), FALSE, FIFO_EDCA, FALSE /*NextValid*/, FALSE); if (fragNum == pTxBlk->TotalFragNum) { pTxInfo->USBDMATxburst = 0; #ifdef USB_BULK_BUF_ALIGMENT /* when CurWritePosition > 0x6000 mean that it is at the max bulk out size, we CurWriteIdx must move to the next alignment section. Otherwirse, CurWriteIdx will be moved to the next section at databulkout. (((pHTTXContext->CurWritePosition + 3906)& 0x00007fff) & 0xffff6000) == 0x00006000) we must make sure that the last fragNun packet just over the 0x6000 otherwise it will error because the last frag packet will at the section but will not bulk out. ex: when secoend packet writeresouce and it > 0x6000 And the last packet writesource and it also > 0x6000 at this time CurWriteIdx++ but when data bulk out , because at second packet it will > 0x6000 , the last packet will not bulk out. */ if ( ((pHTTXContext->CurWritePosition + 3906) & BULKOUT_SIZE) == BULKOUT_SIZE) { bLasAlignmentsectiontRound = TRUE; pTxInfo->SwRingUseLastRound = 1; } #else if ((pHTTXContext->CurWritePosition + pTxBlk->Priv + 3906)> MAX_TXBULK_LIMIT) { pTxInfo->SwRingUseLastRound = 1; TxQLastRound = TRUE; } #endif /* USB_BULK_BUF_ALIGMENT */ } else { pTxInfo->USBDMATxburst = 1; } NdisMoveMemory(pWirelessPacket, pTxBlk->HeaderBuf, TXINFO_SIZE + TXWISize + hwHdrLen); #ifdef RT_BIG_ENDIAN RTMPFrameEndianChange(pAd, (PUCHAR)(pWirelessPacket + TXINFO_SIZE + TXWISize), DIR_WRITE, FALSE); #endif /* RT_BIG_ENDIAN */ pWirelessPacket += (TXINFO_SIZE + TXWISize + hwHdrLen); pHTTXContext->CurWriteRealPos += (TXINFO_SIZE + TXWISize + hwHdrLen); RTMP_IRQ_UNLOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); NdisMoveMemory(pWirelessPacket, pTxBlk->pSrcBufData, pTxBlk->SrcBufLen); /* Zero the last padding.*/ pWirelessPacket += pTxBlk->SrcBufLen; NdisZeroMemory(pWirelessPacket, padding + 8); if (fragNum == pTxBlk->TotalFragNum) { RTMP_IRQ_LOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); /* Update the pHTTXContext->CurWritePosition. 3906 used to prevent the NextBulkOut is a A-RALINK/A-MSDU Frame.*/ pHTTXContext->CurWritePosition += pTxBlk->Priv; #ifndef USB_BULK_BUF_ALIGMENT if (TxQLastRound == TRUE) pHTTXContext->CurWritePosition = 8; #endif /* USB_BULK_BUF_ALIGMENT */ #ifdef USB_BULK_BUF_ALIGMENT if(bLasAlignmentsectiontRound == TRUE) { CUR_WRITE_IDX_INC(pHTTXContext->CurWriteIdx, BUF_ALIGMENT_RINGSIZE); pHTTXContext->CurWritePosition = 0; } #endif /* USB_BULK_BUF_ALIGMENT */ pHTTXContext->CurWriteRealPos = pHTTXContext->CurWritePosition; #ifdef UAPSD_SUPPORT #endif /* UAPSD_SUPPORT */ /* Finally, set bCurWriting as FALSE*/ pHTTXContext->bCurWriting = FALSE; RTMP_IRQ_UNLOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); /* succeed and release the skb buffer*/ RELEASE_NDIS_PACKET(pAd, pTxBlk->pPacket, NDIS_STATUS_SUCCESS); } return(Status); } USHORT RtmpUSB_WriteSingleTxResource( IN PRTMP_ADAPTER pAd, IN TX_BLK *pTxBlk, IN BOOLEAN bIsLast, OUT USHORT *FreeNumber) { HT_TX_CONTEXT *pHTTXContext; USHORT hwHdrLen; UINT32 fillOffset; TXINFO_STRUC *pTxInfo; TXWI_STRUC *pTxWI; PUCHAR pWirelessPacket; UCHAR QueIdx; unsigned long IrqFlags; NDIS_STATUS Status; UINT32 USBDMApktLen = 0, DMAHdrLen, padding; #ifndef USB_BULK_BUF_ALIGMENT BOOLEAN bTxQLastRound = FALSE; #endif /* USB_BULK_BUF_ALIGMENT */ UINT8 TXWISize = pAd->chipCap.TXWISize; /* For USB, didn't need PCI_MAP_SINGLE()*/ /*SrcBufPA = PCI_MAP_SINGLE(pAd, (char *) pTxBlk->pSrcBufData, pTxBlk->SrcBufLen, RTMP_PCI_DMA_TODEVICE);*/ /* get Tx Ring Resource & Dma Buffer address*/ QueIdx = pTxBlk->QueIdx; RTMP_IRQ_LOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); pHTTXContext = &pAd->TxContext[QueIdx]; fillOffset = pHTTXContext->CurWritePosition; /* Check ring full.*/ Status = RtmpUSBCanDoWrite(pAd, QueIdx, pHTTXContext); if(Status == NDIS_STATUS_SUCCESS) { pHTTXContext->bCurWriting = TRUE; pTxInfo = (PTXINFO_STRUC)(&pTxBlk->HeaderBuf[0]); pTxWI= (PTXWI_STRUC)(&pTxBlk->HeaderBuf[TXINFO_SIZE]); #ifndef USB_BULK_BUF_ALIGMENT /* Reserve space for 8 bytes padding.*/ if ((pHTTXContext->ENextBulkOutPosition == pHTTXContext->CurWritePosition)) { pHTTXContext->ENextBulkOutPosition += 8; pHTTXContext->CurWritePosition += 8; fillOffset += 8; } #endif /* USB_BULK_BUF_ALIGMENT */ pHTTXContext->CurWriteRealPos = pHTTXContext->CurWritePosition; #ifdef USB_BULK_BUF_ALIGMENT INT idx=0; idx = pHTTXContext->CurWriteIdx; pWirelessPacket = &pHTTXContext->TransferBuffer[idx]->field.WirelessPacket[fillOffset]; #else pWirelessPacket = &pHTTXContext->TransferBuffer->field.WirelessPacket[fillOffset]; #endif /* USB_BULK_BUF_ALIGMENT */ /* copy TXWI + WLAN Header + LLC into DMA Header Buffer*/ /*hwHdrLen = ROUND_UP(pTxBlk->MpduHeaderLen, 4);*/ hwHdrLen = pTxBlk->MpduHeaderLen + pTxBlk->HdrPadLen; /* Build our URB for USBD*/ DMAHdrLen = TXWISize + hwHdrLen; USBDMApktLen = DMAHdrLen + pTxBlk->SrcBufLen; padding = (4 - (USBDMApktLen % 4)) & 0x03; /* round up to 4 byte alignment*/ USBDMApktLen += padding; pTxBlk->Priv = (TXINFO_SIZE + USBDMApktLen); /* For TxInfo, the length of USBDMApktLen = TXWI_SIZE + 802.11 header + payload*/ #if defined(CONFIG_MULTI_CHANNEL) || defined(DOT11Z_TDLS_SUPPORT) if ((0) #ifdef CONFIG_MULTI_CHANNEL || (pTxBlk->OpMode == OPMODE_AP) #endif /* CONFIG_MULTI_CHANNEL */ ) RTMPWriteTxInfo(pAd, pTxInfo, (USHORT)(USBDMApktLen), FALSE, FIFO_HCCA, FALSE, FALSE); else #endif /* defined(CONFIG_MULTI_CHANNEL) || defined(DOT11Z_TDLS_SUPPORT) */ RTMPWriteTxInfo(pAd, pTxInfo, (USHORT)(USBDMApktLen), FALSE, FIFO_EDCA, FALSE /*NextValid*/, FALSE); #ifndef USB_BULK_BUF_ALIGMENT if ((pHTTXContext->CurWritePosition + 3906 + pTxBlk->Priv) > MAX_TXBULK_LIMIT) { pTxInfo->SwRingUseLastRound = 1; bTxQLastRound = TRUE; } #endif /* USB_BULK_BUF_ALIGMENT */ NdisMoveMemory(pWirelessPacket, pTxBlk->HeaderBuf, TXINFO_SIZE + TXWISize + hwHdrLen); #ifdef RT_BIG_ENDIAN RTMPFrameEndianChange(pAd, (PUCHAR)(pWirelessPacket + TXINFO_SIZE + TXWISize), DIR_WRITE, FALSE); #endif /* RT_BIG_ENDIAN */ pWirelessPacket += (TXINFO_SIZE + TXWISize + hwHdrLen); /* We unlock it here to prevent the first 8 bytes maybe over-writed issue.*/ /* 1. First we got CurWritePosition but the first 8 bytes still not write to the pTxcontext.*/ /* 2. An interrupt break our routine and handle bulk-out complete.*/ /* 3. In the bulk-out compllete, it need to do another bulk-out, */ /* if the ENextBulkOutPosition is just the same as CurWritePosition, it will save the first 8 bytes from CurWritePosition,*/ /* but the payload still not copyed. the pTxContext->SavedPad[] will save as allzero. and set the bCopyPad = TRUE.*/ /* 4. Interrupt complete.*/ /* 5. Our interrupted routine go back and fill the first 8 bytes to pTxContext.*/ /* 6. Next time when do bulk-out, it found the bCopyPad==TRUE and will copy the SavedPad[] to pTxContext->NextBulkOutPosition.*/ /* and the packet will wrong.*/ pHTTXContext->CurWriteRealPos += (TXINFO_SIZE + TXWISize + hwHdrLen); #ifndef USB_BULK_BUF_ALIGMENT RTMP_IRQ_UNLOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); #endif /* USB_BULK_BUF_ALIGMENT */ NdisMoveMemory(pWirelessPacket, pTxBlk->pSrcBufData, pTxBlk->SrcBufLen); pWirelessPacket += pTxBlk->SrcBufLen; #ifndef USB_BULK_BUF_ALIGMENT NdisZeroMemory(pWirelessPacket, padding + 8); RTMP_IRQ_LOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); #endif /* USB_BULK_BUF_ALIGMENT */ pHTTXContext->CurWritePosition += pTxBlk->Priv; #ifdef UAPSD_SUPPORT #endif /* UAPSD_SUPPORT */ #ifdef USB_BULK_BUF_ALIGMENT /* when CurWritePosition > 0x6000 mean that it is at the max bulk out size, we CurWriteIdx must move to the next alignment section. Otherwirse, CurWriteIdx will be moved to the next section at databulkout. Writingflag = TRUE ,mean that when we writing resource ,and databulkout happen, So we bulk out when this packet finish. */ if ( (pHTTXContext->CurWritePosition & BULKOUT_SIZE) == BULKOUT_SIZE) { CUR_WRITE_IDX_INC(pHTTXContext->CurWriteIdx, BUF_ALIGMENT_RINGSIZE); pHTTXContext->CurWritePosition = 0; } #else if (bTxQLastRound) pHTTXContext->CurWritePosition = 8; #endif /* USB_BULK_BUF_ALIGMENT */ pHTTXContext->CurWriteRealPos = pHTTXContext->CurWritePosition; pHTTXContext->bCurWriting = FALSE; } RTMP_IRQ_UNLOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); /* succeed and release the skb buffer*/ RELEASE_NDIS_PACKET(pAd, pTxBlk->pPacket, NDIS_STATUS_SUCCESS); return(Status); } USHORT RtmpUSB_WriteMultiTxResource( IN PRTMP_ADAPTER pAd, IN TX_BLK *pTxBlk, IN UCHAR frameNum, OUT USHORT *FreeNumber) { HT_TX_CONTEXT *pHTTXContext; USHORT hwHdrLen; /* The hwHdrLen consist of 802.11 header length plus the header padding length.*/ UINT32 fillOffset; TXINFO_STRUC *pTxInfo; TXWI_STRUC *pTxWI; PUCHAR pWirelessPacket = NULL; UCHAR QueIdx; NDIS_STATUS Status; unsigned long IrqFlags; UINT8 TXWISize = pAd->chipCap.TXWISize; /*UINT32 USBDMApktLen = 0, DMAHdrLen, padding;*/ /* get Tx Ring Resource & Dma Buffer address*/ QueIdx = pTxBlk->QueIdx; pHTTXContext = &pAd->TxContext[QueIdx]; RTMP_IRQ_LOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); if(frameNum == 0) { /* Check if we have enough space for this bulk-out batch.*/ Status = RtmpUSBCanDoWrite(pAd, QueIdx, pHTTXContext); if (Status == NDIS_STATUS_SUCCESS) { pHTTXContext->bCurWriting = TRUE; pTxInfo = (PTXINFO_STRUC)(&pTxBlk->HeaderBuf[0]); pTxWI= (PTXWI_STRUC)(&pTxBlk->HeaderBuf[TXINFO_SIZE]); #ifndef USB_BULK_BUF_ALIGMENT /* Reserve space for 8 bytes padding.*/ if ((pHTTXContext->ENextBulkOutPosition == pHTTXContext->CurWritePosition)) { pHTTXContext->CurWritePosition += 8; pHTTXContext->ENextBulkOutPosition += 8; } #endif /* USB_BULK_BUF_ALIGMENT */ fillOffset = pHTTXContext->CurWritePosition; pHTTXContext->CurWriteRealPos = pHTTXContext->CurWritePosition; #ifdef USB_BULK_BUF_ALIGMENT INT idx=0; idx = pHTTXContext->CurWriteIdx; pWirelessPacket = &pHTTXContext->TransferBuffer[idx]->field.WirelessPacket[fillOffset]; #else pWirelessPacket = &pHTTXContext->TransferBuffer->field.WirelessPacket[fillOffset]; #endif /* USB_BULK_BUF_ALIGMENT */ /* 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; /* Update the pTxBlk->Priv.*/ pTxBlk->Priv = TXINFO_SIZE + TXWISize + hwHdrLen; /* pTxInfo->USBDMApktLen now just a temp value and will to correct latter.*/ #if defined(CONFIG_MULTI_CHANNEL) || defined(DOT11Z_TDLS_SUPPORT) if ((pTxBlk->OpMode == OPMODE_AP) || ((pAd->StaCfg.TdlsInfo.TdlsAsicOperateChannel != pAd->CommonCfg.Channel) && TX_BLK_TEST_FLAG(pTxBlk, fTX_bTdlsEntry))) RTMPWriteTxInfo(pAd, pTxInfo, (USHORT)(pTxBlk->Priv), FALSE, FIFO_HCCA, FALSE, FALSE); else #endif /* defined(CONFIG_MULTI_CHANNEL) || defined(DOT11Z_TDLS_SUPPORT) */ RTMPWriteTxInfo(pAd, pTxInfo, (USHORT)(pTxBlk->Priv), FALSE, FIFO_EDCA, FALSE /*NextValid*/, FALSE); /* Copy it.*/ NdisMoveMemory(pWirelessPacket, pTxBlk->HeaderBuf, pTxBlk->Priv); #ifdef RT_BIG_ENDIAN RTMPFrameEndianChange(pAd, (PUCHAR)(pWirelessPacket+ TXINFO_SIZE + TXWISize), DIR_WRITE, FALSE); #endif /* RT_BIG_ENDIAN */ pHTTXContext->CurWriteRealPos += pTxBlk->Priv; pWirelessPacket += pTxBlk->Priv; } } else { /* For sub-sequent frames of this bulk-out batch. Just copy it to our bulk-out buffer.*/ Status = ((pHTTXContext->bCurWriting == TRUE) ? NDIS_STATUS_SUCCESS : NDIS_STATUS_FAILURE); if (Status == NDIS_STATUS_SUCCESS) { fillOffset = (pHTTXContext->CurWritePosition + pTxBlk->Priv); #ifdef USB_BULK_BUF_ALIGMENT INT idx=0; idx = pHTTXContext->CurWriteIdx; pWirelessPacket = &pHTTXContext->TransferBuffer[idx]->field.WirelessPacket[fillOffset]; #else pWirelessPacket = &pHTTXContext->TransferBuffer->field.WirelessPacket[fillOffset]; #endif /* USB_BULK_BUF_ALIGMENT */ /*hwHdrLen = pTxBlk->MpduHeaderLen;*/ NdisMoveMemory(pWirelessPacket, pTxBlk->HeaderBuf, pTxBlk->MpduHeaderLen); pWirelessPacket += (pTxBlk->MpduHeaderLen); pTxBlk->Priv += pTxBlk->MpduHeaderLen; } else { /* It should not happened now unless we are going to shutdown.*/ DBGPRINT(RT_DEBUG_ERROR, ("WriteMultiTxResource():bCurWriting is FALSE when handle sub-sequent frames.\n")); Status = NDIS_STATUS_FAILURE; } } /* We unlock it here to prevent the first 8 bytes maybe over-write issue. 1. First we got CurWritePosition but the first 8 bytes still not write to the pTxContext. 2. An interrupt break our routine and handle bulk-out complete. 3. In the bulk-out compllete, it need to do another bulk-out, if the ENextBulkOutPosition is just the same as CurWritePosition, it will save the first 8 bytes from CurWritePosition, but the payload still not copyed. the pTxContext->SavedPad[] will save as allzero. and set the bCopyPad = TRUE. 4. Interrupt complete. 5. Our interrupted routine go back and fill the first 8 bytes to pTxContext. 6. Next time when do bulk-out, it found the bCopyPad==TRUE and will copy the SavedPad[] to pTxContext->NextBulkOutPosition. and the packet will wrong. */ RTMP_IRQ_UNLOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); if (Status != NDIS_STATUS_SUCCESS) { DBGPRINT(RT_DEBUG_ERROR,("WriteMultiTxResource: CWPos = %ld, NBOutPos = %ld.\n", pHTTXContext->CurWritePosition, pHTTXContext->NextBulkOutPosition)); goto done; } /* Copy the frame content into DMA buffer and update the pTxBlk->Priv*/ NdisMoveMemory(pWirelessPacket, pTxBlk->pSrcBufData, pTxBlk->SrcBufLen); pWirelessPacket += pTxBlk->SrcBufLen; pTxBlk->Priv += pTxBlk->SrcBufLen; done: /* Release the skb buffer here*/ RELEASE_NDIS_PACKET(pAd, pTxBlk->pPacket, NDIS_STATUS_SUCCESS); return(Status); } VOID RtmpUSB_FinalWriteTxResource( IN PRTMP_ADAPTER pAd, IN TX_BLK *pTxBlk, IN USHORT totalMPDUSize, IN USHORT TxIdx) { UCHAR QueIdx; HT_TX_CONTEXT *pHTTXContext; UINT32 fillOffset; TXINFO_STRUC *pTxInfo; TXWI_STRUC *pTxWI; UINT32 USBDMApktLen, padding; unsigned long IrqFlags; PUCHAR pWirelessPacket; QueIdx = pTxBlk->QueIdx; pHTTXContext = &pAd->TxContext[QueIdx]; #ifdef USB_BULK_BUF_ALIGMENT INT idx=0; idx = pHTTXContext->CurWriteIdx; #endif /* USB_BULK_BUF_ALIGMENT */ RTMP_IRQ_LOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); if (pHTTXContext->bCurWriting == TRUE) { fillOffset = pHTTXContext->CurWritePosition; #ifndef USB_BULK_BUF_ALIGMENT if (((pHTTXContext->ENextBulkOutPosition == pHTTXContext->CurWritePosition) || ((pHTTXContext->ENextBulkOutPosition-8) == pHTTXContext->CurWritePosition)) && (pHTTXContext->bCopySavePad == TRUE)) pWirelessPacket = (PUCHAR)(&pHTTXContext->SavedPad[0]); else #endif /* USB_BULK_BUF_ALIGMENT */ #ifdef USB_BULK_BUF_ALIGMENT pWirelessPacket = (PUCHAR)(&pHTTXContext->TransferBuffer[idx]->field.WirelessPacket[fillOffset]); #else pWirelessPacket = (PUCHAR)(&pHTTXContext->TransferBuffer->field.WirelessPacket[fillOffset]); #endif /* USB_BULK_BUF_ALIGMENT */ /* Update TxInfo->USBDMApktLen , */ /* the length = TXWI_SIZE + 802.11_hdr + 802.11_hdr_pad + payload_of_all_batch_frames + Bulk-Out-padding*/ pTxInfo = (PTXINFO_STRUC)(pWirelessPacket); /* Calculate the bulk-out padding*/ USBDMApktLen = pTxBlk->Priv - TXINFO_SIZE; padding = (4 - (USBDMApktLen % 4)) & 0x03; /* round up to 4 byte alignment*/ USBDMApktLen += padding; pTxInfo->USBDMATxPktLen = USBDMApktLen; /* Update TXWI->MPDUtotalByteCount, the length = 802.11 header + payload_of_all_batch_frames */ pTxWI= (PTXWI_STRUC)(pWirelessPacket + TXINFO_SIZE); pTxWI->MPDUtotalByteCount = totalMPDUSize; /* Update the pHTTXContext->CurWritePosition*/ pHTTXContext->CurWritePosition += (TXINFO_SIZE + USBDMApktLen); #ifdef USB_BULK_BUF_ALIGMENT /* when CurWritePosition > 0x6000 mean that it is at the max bulk out size, we CurWriteIdx must move to the next alignment section. Otherwirse, CurWriteIdx will be moved to the next section at databulkout. Writingflag = TRUE ,mean that when we writing resource ,and databulkout happen, So we bulk out when this packet finish. */ if ( (pHTTXContext->CurWritePosition & BULKOUT_SIZE) == BULKOUT_SIZE) { CUR_WRITE_IDX_INC(pHTTXContext->CurWriteIdx, BUF_ALIGMENT_RINGSIZE); pHTTXContext->CurWritePosition = 0; } #else if ((pHTTXContext->CurWritePosition + 3906)> MAX_TXBULK_LIMIT) { /* Add 3906 for prevent the NextBulkOut packet size is a A-RALINK/A-MSDU Frame.*/ pHTTXContext->CurWritePosition = 8; pTxInfo->SwRingUseLastRound = 1; } #endif /* USB_BULK_BUF_ALIGMENT */ pHTTXContext->CurWriteRealPos = pHTTXContext->CurWritePosition; #ifdef UAPSD_SUPPORT #endif /* UAPSD_SUPPORT */ /* Zero the last padding.*/ #ifdef USB_BULK_BUF_ALIGMENT pWirelessPacket = (&pHTTXContext->TransferBuffer[idx]->field.WirelessPacket[fillOffset + pTxBlk->Priv]); #else pWirelessPacket = (&pHTTXContext->TransferBuffer->field.WirelessPacket[fillOffset + pTxBlk->Priv]); #endif /* USB_BULK_BUF_ALIGMENT */ NdisZeroMemory(pWirelessPacket, padding + 8); /* Finally, set bCurWriting as FALSE*/ pHTTXContext->bCurWriting = FALSE; } else { /* It should not happened now unless we are going to shutdown.*/ DBGPRINT(RT_DEBUG_ERROR, ("FinalWriteTxResource():bCurWriting is FALSE when handle last frames.\n")); } RTMP_IRQ_UNLOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); } VOID RtmpUSBDataLastTxIdx( IN PRTMP_ADAPTER pAd, IN UCHAR QueIdx, IN USHORT TxIdx) { /* DO nothing for USB.*/ } /* When can do bulk-out: 1. TxSwFreeIdx < TX_RING_SIZE; It means has at least one Ring entity is ready for bulk-out, kick it out. 2. If TxSwFreeIdx == TX_RING_SIZE Check if the CurWriting flag is FALSE, if it's FALSE, we can do kick out. */ VOID RtmpUSBDataKickOut( IN PRTMP_ADAPTER pAd, IN TX_BLK *pTxBlk, IN UCHAR QueIdx) { #ifdef CONFIG_MULTI_CHANNEL if ((pAd->MultiChannelFlowCtl & (1 << QueIdx)) == (1 << QueIdx)) return; #endif /* CONFIG_MULTI_CHANNEL */ RTUSB_SET_BULK_FLAG(pAd, (fRTUSB_BULK_OUT_DATA_NORMAL << QueIdx)); RTUSBKickBulkOut(pAd); } /* Must be run in Interrupt context This function handle RT2870 specific TxDesc and cpu index update and kick the packet out. */ int RtmpUSBMgmtKickOut( IN RTMP_ADAPTER *pAd, IN UCHAR QueIdx, IN PNDIS_PACKET pPacket, IN PUCHAR pSrcBufVA, IN UINT SrcBufLen) { PTXINFO_STRUC pTxInfo; ULONG BulkOutSize; UCHAR padLen; PUCHAR pDest; ULONG SwIdx = pAd->MgmtRing.TxCpuIdx; PTX_CONTEXT pMLMEContext = (PTX_CONTEXT)pAd->MgmtRing.Cell[SwIdx].AllocVa; unsigned long IrqFlags; #ifdef CONFIG_MULTI_CHANNEL if ((QueIdx & MGMT_USE_SPECIFIC_FLAG) == MGMT_USE_SPECIFIC_FLAG) QueIdx &= (~MGMT_USE_SPECIFIC_FLAG); #endif /* CONFIG_MULTI_CHANNEL */ pTxInfo = (PTXINFO_STRUC)(pSrcBufVA); /* Build our URB for USBD*/ BulkOutSize = SrcBufLen; BulkOutSize = (BulkOutSize + 3) & (~3); #ifdef CONFIG_MULTI_CHANNEL if (1) RTMPWriteTxInfo(pAd, pTxInfo, (USHORT)(BulkOutSize - TXINFO_SIZE), TRUE, FIFO_MGMT, FALSE, FALSE); else #endif /* CONFIG_MULTI_CHANNEL */ RTMPWriteTxInfo(pAd, pTxInfo, (USHORT)(BulkOutSize - TXINFO_SIZE), TRUE, EpToQueue[MGMTPIPEIDX], FALSE, FALSE); BulkOutSize += 4; /* Always add 4 extra bytes at every packet.*/ /* WY , it cause Tx hang on Amazon_SE , Max said the padding is useless*/ /* If BulkOutSize is multiple of BulkOutMaxPacketSize, add extra 4 bytes again.*/ /* if ((BulkOutSize % pAd->BulkOutMaxPacketSize) == 0)*/ /* BulkOutSize += 4;*/ padLen = BulkOutSize - SrcBufLen; ASSERT((padLen <= RTMP_PKT_TAIL_PADDING)); /* Now memzero all extra padding bytes.*/ pDest = (PUCHAR)(pSrcBufVA + SrcBufLen); /* skb_put(GET_OS_PKT_TYPE(pPacket), padLen);*/ OS_PKT_TAIL_BUF_EXTEND(pPacket, padLen); NdisZeroMemory(pDest, padLen); RTMP_IRQ_LOCK(&pAd->MLMEBulkOutLock, IrqFlags); pAd->MgmtRing.Cell[pAd->MgmtRing.TxCpuIdx].pNdisPacket = pPacket; pMLMEContext->TransferBuffer = (PTX_BUFFER)(GET_OS_PKT_DATAPTR(pPacket)); /* Length in TxInfo should be 8 less than bulkout size.*/ pMLMEContext->BulkOutSize = BulkOutSize; pMLMEContext->InUse = TRUE; pMLMEContext->bWaitingBulkOut = TRUE; #ifdef UAPSD_SUPPORT /* If the packet is QoS Null frame, we mark the packet with its WCID; If not, we mark the packet with bc/mc WCID = 0. We will handle it in rtusb_mgmt_dma_done_tasklet(). Even AP send a QoS Null frame but not EOSP frame in USB mode, then we will call UAPSD_SP_Close() and we will check pEntry->bAPSDFlagSPStart() so do not worry about it. */ #endif /* UAPSD_SUPPORT */ /*hex_dump("RtmpUSBMgmtKickOut", &pMLMEContext->TransferBuffer->field.WirelessPacket[0], (pMLMEContext->BulkOutSize > 16 ? 16 : pMLMEContext->BulkOutSize));*/ /* pAd->RalinkCounters.KickTxCount++; pAd->RalinkCounters.OneSecTxDoneCount++; if (pAd->MgmtRing.TxSwFreeIdx == MGMT_RING_SIZE) needKickOut = TRUE; */ /* Decrease the TxSwFreeIdx and Increase the TX_CTX_IDX*/ pAd->MgmtRing.TxSwFreeIdx--; INC_RING_INDEX(pAd->MgmtRing.TxCpuIdx, MGMT_RING_SIZE); RTMP_IRQ_UNLOCK(&pAd->MLMEBulkOutLock, IrqFlags); #ifdef CONFIG_MULTI_CHANNEL if (QueIdx == HCCA_PIPE) RTUSB_SET_BULK_FLAG(pAd, fRTUSB_BULK_OUT_MLME_HCCA); else #endif /* CONFIG_MULTI_CHANNEL */ RTUSB_SET_BULK_FLAG(pAd, fRTUSB_BULK_OUT_MLME); /*if (needKickOut)*/ RTUSBKickBulkOut(pAd); return 0; } VOID RtmpUSBNullFrameKickOut( IN RTMP_ADAPTER *pAd, IN UCHAR QueIdx, IN UCHAR *pNullFrame, IN UINT32 frameLen) { PTX_CONTEXT pNullContext = &pAd->NullContext[0]; #if defined(CONFIG_MULTI_CHANNEL) || defined(DOT11Z_TDLS_SUPPORT) BOOLEAN bWaitACK = FALSE; if ((QueIdx & MGMT_USE_SPECIFIC_FLAG) == MGMT_USE_SPECIFIC_FLAG) { QueIdx &= (~MGMT_USE_SPECIFIC_FLAG); bWaitACK = TRUE; } if (QueIdx == EDCA_AC0_PIPE) { pNullContext = &pAd->NullContext[0]; } else if (QueIdx == HCCA_PIPE) { pNullContext = &pAd->NullContext[1]; } else DBGPRINT(RT_DEBUG_ERROR, ("%s: Unknow pipe!!\n", __FUNCTION__)); #endif /* defined(CONFIG_MULTI_CHANNEL) || defined(DOT11Z_TDLS_SUPPORT) */ if (pNullContext->InUse == FALSE) { PTXINFO_STRUC pTxInfo; PTXWI_STRUC pTxWI; PUCHAR pWirelessPkt; UINT8 TXWISize = pAd->chipCap.TXWISize; /* Set the in use bit*/ pNullContext->InUse = TRUE; pWirelessPkt = (PUCHAR)&pNullContext->TransferBuffer->field.WirelessPacket[0]; RTMPZeroMemory(&pWirelessPkt[0], 100); pTxInfo = (PTXINFO_STRUC)&pWirelessPkt[0]; RTMPWriteTxInfo(pAd, pTxInfo, (USHORT)(frameLen + TXWISize), TRUE, EpToQueue[MGMTPIPEIDX], FALSE, FALSE); #if defined(CONFIG_MULTI_CHANNEL) || defined(DOT11Z_TDLS_SUPPORT) if (QueIdx == HCCA_PIPE) pTxInfo->QSEL = FIFO_HCCA; else #endif /* defined(CONFIG_MULTI_CHANNEL) || defined(DOT11Z_TDLS_SUPPORT) */ pTxInfo->QSEL = FIFO_EDCA; pTxWI = (PTXWI_STRUC)&pWirelessPkt[TXINFO_SIZE]; RTMPWriteTxWI(pAd, pTxWI, FALSE, FALSE, FALSE, FALSE, TRUE, FALSE, 0, BSSID_WCID, frameLen, 0, 0, (UCHAR)pAd->CommonCfg.MlmeTransmit.field.MCS, IFS_HTTXOP, FALSE, &pAd->CommonCfg.MlmeTransmit); #if defined(CONFIG_MULTI_CHANNEL) || defined(DOT11Z_TDLS_SUPPORT) if (bWaitACK) { pTxWI->TXRPT = 1; } #endif /* defined(CONFIG_MULTI_CHANNEL) || defined(DOT11Z_TDLS_SUPPORT) */ #ifdef RT_BIG_ENDIAN RTMPWIEndianChange(pAd, (PUCHAR)pTxWI, TYPE_TXWI); #endif /* RT_BIG_ENDIAN */ RTMPMoveMemory(&pWirelessPkt[TXWISize + TXINFO_SIZE], pNullFrame, frameLen); #ifdef RT_BIG_ENDIAN RTMPFrameEndianChange(pAd, (PUCHAR)&pWirelessPkt[TXINFO_SIZE + TXWISize], DIR_WRITE, FALSE); #endif /* RT_BIG_ENDIAN */ pNullContext->BulkOutSize = TXINFO_SIZE + TXWISize + frameLen + 4; /* Fill out frame length information for global Bulk out arbitor*/ /*pNullContext->BulkOutSize = TransferBufferLength;*/ DBGPRINT(RT_DEBUG_TRACE, ("%s - Send NULL Frame @%d Mbps...\n", __FUNCTION__, RateIdToMbps[pAd->CommonCfg.TxRate])); #if defined(CONFIG_MULTI_CHANNEL) || defined(DOT11Z_TDLS_SUPPORT) if (QueIdx == HCCA_PIPE) RTUSB_SET_BULK_FLAG(pAd, fRTUSB_BULK_OUT_DATA_NULL_HCCA); else #endif /* defined(CONFIG_MULTI_CHANNEL) || defined(DOT11Z_TDLS_SUPPORT) */ RTUSB_SET_BULK_FLAG(pAd, fRTUSB_BULK_OUT_DATA_NULL); pAd->Sequence = (pAd->Sequence+1) & MAXSEQ; /* Kick bulk out */ RTUSBKickBulkOut(pAd); } } /* ======================================================================== Routine Description: Get a received packet. Arguments: pAd device control block pSaveRxD receive descriptor information *pbReschedule need reschedule flag *pRxPending pending received packet flag Return Value: the recieved packet Note: ======================================================================== */ PNDIS_PACKET GetPacketFromRxRing( IN PRTMP_ADAPTER pAd, OUT PRT28XX_RXD_STRUC pSaveRxD, OUT BOOLEAN *pbReschedule, IN OUT UINT32 *pRxPending) { PRX_CONTEXT pRxContext; PNDIS_PACKET pNetPkt; PUCHAR pData; ULONG ThisFrameLen; ULONG RxBufferLength; PRXWI_STRUC pRxWI; UINT8 RXWISize = pAd->chipCap.RXWISize; pRxContext = &pAd->RxContext[pAd->NextRxBulkInReadIndex]; if ((pRxContext->Readable == FALSE) || (pRxContext->InUse == TRUE)) return NULL; RxBufferLength = pRxContext->BulkInOffset - pAd->ReadPosition; if (RxBufferLength < (RT2870_RXDMALEN_FIELD_SIZE + RXWISize + sizeof(RXINFO_STRUC))) { goto label_null; } pData = &pRxContext->TransferBuffer[pAd->ReadPosition]; /* 4KB */ /* The RXDMA field is 4 bytes, now just use the first 2 bytes. The Length including the (RXWI + MSDU + Padding)*/ ThisFrameLen = *pData + (*(pData+1)<<8); if (ThisFrameLen == 0) { DBGPRINT(RT_DEBUG_TRACE, ("BIRIdx(%d): RXDMALen is zero.[%ld], BulkInBufLen = %ld)\n", pAd->NextRxBulkInReadIndex, ThisFrameLen, pRxContext->BulkInOffset)); goto label_null; } if ((ThisFrameLen&0x3) != 0) { DBGPRINT(RT_DEBUG_ERROR, ("BIRIdx(%d): RXDMALen not multiple of 4.[%ld], BulkInBufLen = %ld)\n", pAd->NextRxBulkInReadIndex, ThisFrameLen, pRxContext->BulkInOffset)); goto label_null; } if ((ThisFrameLen + 8)> RxBufferLength) /* 8 for (RT2870_RXDMALEN_FIELD_SIZE + sizeof(RXINFO_STRUC))*/ { DBGPRINT(RT_DEBUG_TRACE,("BIRIdx(%d):FrameLen(0x%lx) outranges. BulkInLen=0x%lx, remaining RxBufLen=0x%lx, ReadPos=0x%lx\n", pAd->NextRxBulkInReadIndex, ThisFrameLen, pRxContext->BulkInOffset, RxBufferLength, pAd->ReadPosition)); /* error frame. finish this loop*/ goto label_null; } /* skip USB frame length field*/ pData += RT2870_RXDMALEN_FIELD_SIZE; pRxWI = (PRXWI_STRUC)pData; #ifdef RT_BIG_ENDIAN RTMPWIEndianChange(pAd, pData, TYPE_RXWI); #endif /* RT_BIG_ENDIAN */ if (pRxWI->MPDUtotalByteCount > ThisFrameLen) { DBGPRINT(RT_DEBUG_ERROR, ("%s():pRxWIMPDUtotalByteCount(%d) large than RxDMALen(%ld)\n", __FUNCTION__, pRxWI->MPDUtotalByteCount, ThisFrameLen)); goto label_null; } #ifdef RT_BIG_ENDIAN RTMPWIEndianChange(pAd, pData, TYPE_RXWI); #endif /* RT_BIG_ENDIAN */ /* allocate a rx packet*/ pNetPkt = RTMP_AllocateFragPacketBuffer(pAd, ThisFrameLen); if (pNetPkt == NULL) { DBGPRINT(RT_DEBUG_ERROR,("%s():Cannot Allocate sk buffer for this Bulk-In buffer!\n", __FUNCTION__)); goto label_null; } /* copy the rx packet*/ RTMP_USB_PKT_COPY(get_netdev_from_bssid(pAd, BSS0), pNetPkt, ThisFrameLen, pData); /* copy RxD*/ *pSaveRxD = *(PRXINFO_STRUC)(pData + ThisFrameLen); #ifdef RT_BIG_ENDIAN RTMPDescriptorEndianChange((PUCHAR)pSaveRxD, TYPE_RXINFO); #endif /* RT_BIG_ENDIAN */ /* update next packet read position.*/ pAd->ReadPosition += (ThisFrameLen + RT2870_RXDMALEN_FIELD_SIZE + RXINFO_SIZE); /* 8 for (RT2870_RXDMALEN_FIELD_SIZE + sizeof(RXINFO_STRUC))*/ return pNetPkt; label_null: return NULL; } #ifdef CONFIG_STA_SUPPORT /* ======================================================================== 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 pRxINFO) { PCIPHER_KEY pWpaKey; INT dBm; if(pRxINFO == NULL) return(NDIS_STATUS_FAILURE); /* Phy errors & CRC errors*/ if (pRxINFO->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 += (pRxWI->MPDUtotalByteCount+ 14); #ifndef CLIENT_WDS if (pHeader->FC.ToDs ) { DBGPRINT_RAW(RT_DEBUG_ERROR, ("Err;FC.ToDs\n")); return NDIS_STATUS_FAILURE; } #endif /* CLIENT_WDS */ /* Paul 04-03 for OFDM Rx length issue*/ if (pRxWI->MPDUtotalByteCount > MAX_AGGREGATION_SIZE) { DBGPRINT_RAW(RT_DEBUG_ERROR, ("received packet too long\n")); 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 (pRxINFO->Decrypted && pRxINFO->CipherErr) { if (((pRxINFO->CipherErr & 1) == 1) && INFRA_ON(pAd)) RTMPSendWirelessEvent(pAd, IW_ICV_ERROR_EVENT_FLAG, pAd->MacTab.Content[BSSID_WCID].Addr, BSS0, 0); if (((pRxINFO->CipherErr & 2) == 2) && INFRA_ON(pAd)) RTMPSendWirelessEvent(pAd, IW_MIC_ERROR_EVENT_FLAG, pAd->MacTab.Content[BSSID_WCID].Addr, BSS0, 0); /* MIC Error*/ if ((pRxINFO->CipherErr == 2) && pRxINFO->MyBss) { pWpaKey = &pAd->SharedKey[BSS0][pRxWI->KeyIndex]; #ifdef WPA_SUPPLICANT_SUPPORT if (pAd->StaCfg.WpaSupplicantUP) WpaSendMicFailureToWpaSupplicant(pAd->net_dev, (pWpaKey->Type == PAIRWISEKEY) ? TRUE:FALSE); else #endif /* WPA_SUPPLICANT_SUPPORT */ RTMPReportMicError(pAd, pWpaKey); DBGPRINT_RAW(RT_DEBUG_ERROR,("Rx MIC Value error\n")); } if (pRxINFO->Decrypted && (pAd->SharedKey[BSS0][pRxWI->KeyIndex].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); } VOID RtmpUsbStaAsicForceWakeupTimeout( IN PVOID SystemSpecific1, IN PVOID FunctionContext, IN PVOID SystemSpecific2, IN PVOID SystemSpecific3) { RTMP_ADAPTER *pAd = (RTMP_ADAPTER *)FunctionContext; if (pAd && pAd->Mlme.AutoWakeupTimerRunning) { RTUSBBulkReceive(pAd); AsicSendCommandToMcu(pAd, 0x31, 0xff, 0x00, 0x02, FALSE); OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_DOZE); pAd->Mlme.AutoWakeupTimerRunning = FALSE; } } VOID RT28xxUsbStaAsicForceWakeup( IN PRTMP_ADAPTER pAd, IN BOOLEAN bFromTx) { BOOLEAN Canceled; if (pAd->Mlme.AutoWakeupTimerRunning) { RTMPCancelTimer(&pAd->Mlme.AutoWakeupTimer, &Canceled); pAd->Mlme.AutoWakeupTimerRunning = FALSE; } AsicSendCommandToMcu(pAd, 0x31, 0xff, 0x00, 0x02, FALSE); OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_DOZE); } VOID RT28xxUsbStaAsicSleepThenAutoWakeup( IN PRTMP_ADAPTER pAd, IN USHORT TbttNumToNextWakeUp) { /* Not going to sleep if in the Count Down Time*/ if (pAd->CountDowntoPsm > 0) return; /* we have decided to SLEEP, so at least do it for a BEACON period.*/ if (TbttNumToNextWakeUp == 0) TbttNumToNextWakeUp = 1; RTMPSetTimer(&pAd->Mlme.AutoWakeupTimer, AUTO_WAKEUP_TIMEOUT); pAd->Mlme.AutoWakeupTimerRunning = TRUE; AsicSendCommandToMcu(pAd, 0x30, 0xff, 0xff, 0x02, FALSE); /* send POWER-SAVE command to MCU. Timeout 40us.*/ /* cancel bulk-in IRPs prevent blocking CPU enter C3.*/ if((pAd->PendingRx > 0) && (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST))) { RTUSBCancelPendingBulkInIRP(pAd); /* resend bulk-in IRPs to receive beacons after a period of (pAd->CommonCfg.BeaconPeriod - 40) ms*/ pAd->PendingRx = 0; } OPSTATUS_SET_FLAG(pAd, fOP_STATUS_DOZE); } #endif /* CONFIG_STA_SUPPORT */ #endif /* RTMP_MAC_USB */