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/*
*************************************************************************
* 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 0
if ((pHTTXContext->CurWritePosition <= 8) &&
(pHTTXContext->NextBulkOutPosition > 8 && (pHTTXContext->NextBulkOutPosition+MAX_AGGREGATION_SIZE) < MAX_TXBULK_LIMIT))
{
needQueBack = TRUE;
}
else if ((pHTTXContext->CurWritePosition < pHTTXContext->NextBulkOutPosition) &&
((pHTTXContext->NextBulkOutPosition + MAX_AGGREGATION_SIZE) < MAX_TXBULK_LIMIT))
{
needQueBack = TRUE;
}
#else
if ((pHTTXContext->CurWritePosition < pHTTXContext->ENextBulkOutPosition) &&
(((pHTTXContext->ENextBulkOutPosition+MAX_AGGREGATION_SIZE) < MAX_TXBULK_LIMIT) || (pHTTXContext->CurWritePosition > MAX_AGGREGATION_SIZE)))
{
needQueBack = TRUE;
}
#endif
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;
}
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