--- /dev/null
+/*
+ *************************************************************************
+ * 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;
+}
+
projects / linux-2.6-omap-h63xx.git / blobdiff