| /* |
| ************************************************************************* |
| * 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. * |
| * * |
| ************************************************************************* |
| |
| Module Name: |
| rtusb_data.c |
| |
| Abstract: |
| Ralink USB driver Tx/Rx functions. |
| |
| Revision History: |
| Who When What |
| -------- ---------- ---------------------------------------------- |
| Jan 03-25-2006 created |
| |
| */ |
| #include "../rt_config.h" |
| |
| extern UCHAR Phy11BGNextRateUpward[]; // defined in mlme.c |
| extern UCHAR EpToQueue[]; |
| |
| |
| VOID REPORT_AMSDU_FRAMES_TO_LLC( |
| IN PRTMP_ADAPTER pAd, |
| IN PUCHAR pData, |
| IN ULONG DataSize) |
| { |
| PNDIS_PACKET pPacket; |
| UINT nMSDU; |
| struct sk_buff *pSkb; |
| |
| nMSDU = 0; |
| /* allocate a rx packet */ |
| pSkb = dev_alloc_skb(RX_BUFFER_AGGRESIZE); |
| pPacket = (PNDIS_PACKET)OSPKT_TO_RTPKT(pSkb); |
| if (pSkb) |
| { |
| |
| /* convert 802.11 to 802.3 packet */ |
| pSkb->dev = get_netdev_from_bssid(pAd, BSS0); |
| RTMP_SET_PACKET_SOURCE(pPacket, PKTSRC_NDIS); |
| deaggregate_AMSDU_announce(pAd, pPacket, pData, DataSize); |
| } |
| else |
| { |
| DBGPRINT(RT_DEBUG_ERROR,("Can't allocate skb\n")); |
| } |
| } |
| |
| NDIS_STATUS RTUSBFreeDescriptorRequest( |
| IN PRTMP_ADAPTER pAd, |
| IN UCHAR BulkOutPipeId, |
| IN UINT32 NumberRequired) |
| { |
| // UCHAR FreeNumber = 0; |
| // UINT Index; |
| NDIS_STATUS Status = NDIS_STATUS_FAILURE; |
| unsigned long IrqFlags; |
| HT_TX_CONTEXT *pHTTXContext; |
| |
| |
| pHTTXContext = &pAd->TxContext[BulkOutPipeId]; |
| RTMP_IRQ_LOCK(&pAd->TxContextQueueLock[BulkOutPipeId], IrqFlags); |
| if ((pHTTXContext->CurWritePosition < pHTTXContext->NextBulkOutPosition) && ((pHTTXContext->CurWritePosition + NumberRequired + LOCAL_TXBUF_SIZE) > pHTTXContext->NextBulkOutPosition)) |
| { |
| |
| RTUSB_SET_BULK_FLAG(pAd, (fRTUSB_BULK_OUT_DATA_NORMAL << BulkOutPipeId)); |
| } |
| else if ((pHTTXContext->CurWritePosition == 8) && (pHTTXContext->NextBulkOutPosition < (NumberRequired + LOCAL_TXBUF_SIZE))) |
| { |
| RTUSB_SET_BULK_FLAG(pAd, (fRTUSB_BULK_OUT_DATA_NORMAL << BulkOutPipeId)); |
| } |
| else if (pHTTXContext->bCurWriting == TRUE) |
| { |
| DBGPRINT(RT_DEBUG_TRACE,("RTUSBFreeD c3 --> QueIdx=%d, CWPos=%ld, NBOutPos=%ld!\n", BulkOutPipeId, pHTTXContext->CurWritePosition, pHTTXContext->NextBulkOutPosition)); |
| RTUSB_SET_BULK_FLAG(pAd, (fRTUSB_BULK_OUT_DATA_NORMAL << BulkOutPipeId)); |
| } |
| else |
| { |
| Status = NDIS_STATUS_SUCCESS; |
| } |
| RTMP_IRQ_UNLOCK(&pAd->TxContextQueueLock[BulkOutPipeId], IrqFlags); |
| |
| |
| return (Status); |
| } |
| |
| |
| NDIS_STATUS RTUSBFreeDescriptorRelease( |
| IN RTMP_ADAPTER *pAd, |
| IN UCHAR BulkOutPipeId) |
| { |
| unsigned long IrqFlags; |
| HT_TX_CONTEXT *pHTTXContext; |
| |
| pHTTXContext = &pAd->TxContext[BulkOutPipeId]; |
| RTMP_IRQ_LOCK(&pAd->TxContextQueueLock[BulkOutPipeId], IrqFlags); |
| pHTTXContext->bCurWriting = FALSE; |
| RTMP_IRQ_UNLOCK(&pAd->TxContextQueueLock[BulkOutPipeId], IrqFlags); |
| |
| return (NDIS_STATUS_SUCCESS); |
| } |
| |
| |
| BOOLEAN RTUSBNeedQueueBackForAgg( |
| IN RTMP_ADAPTER *pAd, |
| IN UCHAR BulkOutPipeId) |
| { |
| unsigned long IrqFlags; |
| HT_TX_CONTEXT *pHTTXContext; |
| BOOLEAN needQueBack = FALSE; |
| |
| pHTTXContext = &pAd->TxContext[BulkOutPipeId]; |
| |
| RTMP_IRQ_LOCK(&pAd->TxContextQueueLock[BulkOutPipeId], IrqFlags); |
| if ((pHTTXContext->IRPPending == TRUE) /*&& (pAd->TxSwQueue[BulkOutPipeId].Number == 0) */) |
| { |
| if ((pHTTXContext->CurWritePosition < pHTTXContext->ENextBulkOutPosition) && |
| (((pHTTXContext->ENextBulkOutPosition+MAX_AGGREGATION_SIZE) < MAX_TXBULK_LIMIT) || (pHTTXContext->CurWritePosition > MAX_AGGREGATION_SIZE))) |
| { |
| needQueBack = TRUE; |
| } |
| else if ((pHTTXContext->CurWritePosition > pHTTXContext->ENextBulkOutPosition) && |
| ((pHTTXContext->ENextBulkOutPosition + MAX_AGGREGATION_SIZE) < pHTTXContext->CurWritePosition)) |
| { |
| needQueBack = TRUE; |
| } |
| } |
| RTMP_IRQ_UNLOCK(&pAd->TxContextQueueLock[BulkOutPipeId], IrqFlags); |
| |
| return needQueBack; |
| |
| } |
| |
| |
| /* |
| ======================================================================== |
| |
| Routine Description: |
| |
| Arguments: |
| |
| Return Value: |
| |
| IRQL = |
| |
| Note: |
| |
| ======================================================================== |
| */ |
| VOID RTUSBRejectPendingPackets( |
| IN PRTMP_ADAPTER pAd) |
| { |
| UCHAR Index; |
| PQUEUE_ENTRY pEntry; |
| PNDIS_PACKET pPacket; |
| PQUEUE_HEADER pQueue; |
| |
| |
| for (Index = 0; Index < 4; Index++) |
| { |
| NdisAcquireSpinLock(&pAd->TxSwQueueLock[Index]); |
| while (pAd->TxSwQueue[Index].Head != NULL) |
| { |
| pQueue = (PQUEUE_HEADER) &(pAd->TxSwQueue[Index]); |
| pEntry = RemoveHeadQueue(pQueue); |
| pPacket = QUEUE_ENTRY_TO_PACKET(pEntry); |
| RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE); |
| } |
| NdisReleaseSpinLock(&pAd->TxSwQueueLock[Index]); |
| |
| } |
| |
| } |
| |
| VOID RTMPWriteTxInfo( |
| IN PRTMP_ADAPTER pAd, |
| IN PTXINFO_STRUC pTxInfo, |
| IN USHORT USBDMApktLen, |
| IN BOOLEAN bWiv, |
| IN UCHAR QueueSel, |
| IN UCHAR NextValid, |
| IN UCHAR TxBurst) |
| { |
| pTxInfo->USBDMATxPktLen = USBDMApktLen; |
| pTxInfo->QSEL = QueueSel; |
| if (QueueSel != FIFO_EDCA) |
| DBGPRINT(RT_DEBUG_TRACE, ("====> QueueSel != FIFO_EDCA<============\n")); |
| pTxInfo->USBDMANextVLD = FALSE; //NextValid; // Need to check with Jan about this. |
| pTxInfo->USBDMATxburst = TxBurst; |
| pTxInfo->WIV = bWiv; |
| pTxInfo->SwUseLastRound = 0; |
| pTxInfo->rsv = 0; |
| pTxInfo->rsv2 = 0; |
| } |
| |