diff options
Diffstat (limited to 'drivers/staging/rt2860/common/cmm_data_usb.c')
| -rw-r--r-- | drivers/staging/rt2860/common/cmm_data_usb.c | 951 |
1 files changed, 0 insertions, 951 deletions
diff --git a/drivers/staging/rt2860/common/cmm_data_usb.c b/drivers/staging/rt2860/common/cmm_data_usb.c deleted file mode 100644 index 83a62faa7e57..000000000000 --- a/drivers/staging/rt2860/common/cmm_data_usb.c +++ /dev/null @@ -1,951 +0,0 @@ -/* - ************************************************************************* - * 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 USB-depended, or you should out your function - in other files. - -*/ - -#ifdef RTMP_MAC_USB - -#include "../rt_config.h" - -/* - We can do copy the frame into pTxContext when match following conditions. - => - => - => -*/ -static inline int RtmpUSBCanDoWrite(struct rt_rtmp_adapter *pAd, - u8 QueIdx, - struct rt_ht_tx_context *pHTTXContext) -{ - int canWrite = NDIS_STATUS_RESOURCES; - - 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 { - canWrite = NDIS_STATUS_SUCCESS; - } - - return canWrite; -} - -u16 RtmpUSB_WriteSubTxResource(struct rt_rtmp_adapter *pAd, - struct rt_tx_blk *pTxBlk, - IN BOOLEAN bIsLast, u16 * FreeNumber) -{ - - /* Dummy function. Should be removed in the future. */ - return 0; - -} - -u16 RtmpUSB_WriteFragTxResource(struct rt_rtmp_adapter *pAd, - struct rt_tx_blk *pTxBlk, - u8 fragNum, u16 * FreeNumber) -{ - struct rt_ht_tx_context *pHTTXContext; - u16 hwHdrLen; /* The hwHdrLen consist of 802.11 header length plus the header padding length. */ - u32 fillOffset; - struct rt_txinfo *pTxInfo; - struct rt_txwi *pTxWI; - u8 *pWirelessPacket = NULL; - u8 QueIdx; - int Status; - unsigned long IrqFlags; - u32 USBDMApktLen = 0, DMAHdrLen, padding; - BOOLEAN TxQLastRound = FALSE; - - /* */ - /* 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; - - /* Reserve space for 8 bytes padding. */ - if ((pHTTXContext->ENextBulkOutPosition == - pHTTXContext->CurWritePosition)) { - pHTTXContext->ENextBulkOutPosition += 8; - pHTTXContext->CurWritePosition += 8; - fillOffset += 8; - } - pTxBlk->Priv = 0; - pHTTXContext->CurWriteRealPos = - pHTTXContext->CurWritePosition; - } else { - RTMP_IRQ_UNLOCK(&pAd->TxContextQueueLock[QueIdx], - IrqFlags); - - 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); - - RELEASE_NDIS_PACKET(pAd, pTxBlk->pPacket, - NDIS_STATUS_FAILURE); - return (Status); - } - } - - NdisZeroMemory((u8 *)(&pTxBlk->HeaderBuf[0]), TXINFO_SIZE); - pTxInfo = (struct rt_txinfo *)(&pTxBlk->HeaderBuf[0]); - pTxWI = (struct rt_txwi *) (&pTxBlk->HeaderBuf[TXINFO_SIZE]); - - pWirelessPacket = - &pHTTXContext->TransferBuffer->field.WirelessPacket[fillOffset]; - - /* 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 = TXWI_SIZE + 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 */ - RTMPWriteTxInfo(pAd, pTxInfo, (u16)(USBDMApktLen), FALSE, FIFO_EDCA, - FALSE /*NextValid */ , FALSE); - - if (fragNum == pTxBlk->TotalFragNum) { - pTxInfo->USBDMATxburst = 0; - if ((pHTTXContext->CurWritePosition + pTxBlk->Priv + 3906) > - MAX_TXBULK_LIMIT) { - pTxInfo->SwUseLastRound = 1; - TxQLastRound = TRUE; - } - } else { - pTxInfo->USBDMATxburst = 1; - } - - NdisMoveMemory(pWirelessPacket, pTxBlk->HeaderBuf, - TXINFO_SIZE + TXWI_SIZE + hwHdrLen); - pWirelessPacket += (TXINFO_SIZE + TXWI_SIZE + hwHdrLen); - pHTTXContext->CurWriteRealPos += (TXINFO_SIZE + TXWI_SIZE + 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; - if (TxQLastRound == TRUE) - pHTTXContext->CurWritePosition = 8; - pHTTXContext->CurWriteRealPos = pHTTXContext->CurWritePosition; - - /* 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); - -} - -u16 RtmpUSB_WriteSingleTxResource(struct rt_rtmp_adapter *pAd, - struct rt_tx_blk *pTxBlk, - IN BOOLEAN bIsLast, - u16 * FreeNumber) -{ - struct rt_ht_tx_context *pHTTXContext; - u16 hwHdrLen; - u32 fillOffset; - struct rt_txinfo *pTxInfo; - struct rt_txwi *pTxWI; - u8 *pWirelessPacket; - u8 QueIdx; - unsigned long IrqFlags; - int Status; - u32 USBDMApktLen = 0, DMAHdrLen, padding; - BOOLEAN bTxQLastRound = FALSE; - - /* For USB, didn't need PCI_MAP_SINGLE() */ - /*SrcBufPA = PCI_MAP_SINGLE(pAd, (char *) pTxBlk->pSrcBufData, pTxBlk->SrcBufLen, 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 = (struct rt_txinfo *)(&pTxBlk->HeaderBuf[0]); - pTxWI = (struct rt_txwi *) (&pTxBlk->HeaderBuf[TXINFO_SIZE]); - - /* Reserve space for 8 bytes padding. */ - if ((pHTTXContext->ENextBulkOutPosition == - pHTTXContext->CurWritePosition)) { - pHTTXContext->ENextBulkOutPosition += 8; - pHTTXContext->CurWritePosition += 8; - fillOffset += 8; - } - pHTTXContext->CurWriteRealPos = pHTTXContext->CurWritePosition; - - pWirelessPacket = - &pHTTXContext->TransferBuffer->field. - WirelessPacket[fillOffset]; - - /* 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 = TXWI_SIZE + 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 */ - RTMPWriteTxInfo(pAd, pTxInfo, (u16)(USBDMApktLen), FALSE, - FIFO_EDCA, FALSE /*NextValid */ , FALSE); - - if ((pHTTXContext->CurWritePosition + 3906 + pTxBlk->Priv) > - MAX_TXBULK_LIMIT) { - pTxInfo->SwUseLastRound = 1; - bTxQLastRound = TRUE; - } - NdisMoveMemory(pWirelessPacket, pTxBlk->HeaderBuf, - TXINFO_SIZE + TXWI_SIZE + hwHdrLen); - pWirelessPacket += (TXINFO_SIZE + TXWI_SIZE + 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 + TXWI_SIZE + hwHdrLen); - RTMP_IRQ_UNLOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); - - NdisMoveMemory(pWirelessPacket, pTxBlk->pSrcBufData, - pTxBlk->SrcBufLen); - pWirelessPacket += pTxBlk->SrcBufLen; - NdisZeroMemory(pWirelessPacket, padding + 8); - - RTMP_IRQ_LOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); - - pHTTXContext->CurWritePosition += pTxBlk->Priv; - if (bTxQLastRound) - pHTTXContext->CurWritePosition = 8; - 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); - -} - -u16 RtmpUSB_WriteMultiTxResource(struct rt_rtmp_adapter *pAd, - struct rt_tx_blk *pTxBlk, - u8 frameNum, u16 * FreeNumber) -{ - struct rt_ht_tx_context *pHTTXContext; - u16 hwHdrLen; /* The hwHdrLen consist of 802.11 header length plus the header padding length. */ - u32 fillOffset; - struct rt_txinfo *pTxInfo; - struct rt_txwi *pTxWI; - u8 *pWirelessPacket = NULL; - u8 QueIdx; - int Status; - unsigned long IrqFlags; - /*u32 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 = (struct rt_txinfo *)(&pTxBlk->HeaderBuf[0]); - pTxWI = (struct rt_txwi *) (&pTxBlk->HeaderBuf[TXINFO_SIZE]); - - /* Reserve space for 8 bytes padding. */ - if ((pHTTXContext->ENextBulkOutPosition == - pHTTXContext->CurWritePosition)) { - - pHTTXContext->CurWritePosition += 8; - pHTTXContext->ENextBulkOutPosition += 8; - } - fillOffset = pHTTXContext->CurWritePosition; - pHTTXContext->CurWriteRealPos = - pHTTXContext->CurWritePosition; - - pWirelessPacket = - &pHTTXContext->TransferBuffer->field. - WirelessPacket[fillOffset]; - - /* */ - /* 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 + TXWI_SIZE + hwHdrLen; - - /* pTxInfo->USBDMApktLen now just a temp value and will to correct latter. */ - RTMPWriteTxInfo(pAd, pTxInfo, (u16)(pTxBlk->Priv), - FALSE, FIFO_EDCA, FALSE /*NextValid */ , - FALSE); - - /* Copy it. */ - NdisMoveMemory(pWirelessPacket, pTxBlk->HeaderBuf, - pTxBlk->Priv); - 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); - pWirelessPacket = - &pHTTXContext->TransferBuffer->field. - WirelessPacket[fillOffset]; - - /*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(struct rt_rtmp_adapter *pAd, - struct rt_tx_blk *pTxBlk, - u16 totalMPDUSize, u16 TxIdx) -{ - u8 QueIdx; - struct rt_ht_tx_context *pHTTXContext; - u32 fillOffset; - struct rt_txinfo *pTxInfo; - struct rt_txwi *pTxWI; - u32 USBDMApktLen, padding; - unsigned long IrqFlags; - u8 *pWirelessPacket; - - QueIdx = pTxBlk->QueIdx; - pHTTXContext = &pAd->TxContext[QueIdx]; - - RTMP_IRQ_LOCK(&pAd->TxContextQueueLock[QueIdx], IrqFlags); - - if (pHTTXContext->bCurWriting == TRUE) { - fillOffset = pHTTXContext->CurWritePosition; - if (((pHTTXContext->ENextBulkOutPosition == - pHTTXContext->CurWritePosition) - || ((pHTTXContext->ENextBulkOutPosition - 8) == - pHTTXContext->CurWritePosition)) - && (pHTTXContext->bCopySavePad == TRUE)) - pWirelessPacket = (u8 *)(&pHTTXContext->SavedPad[0]); - else - pWirelessPacket = - (u8 *)(&pHTTXContext->TransferBuffer->field. - WirelessPacket[fillOffset]); - - /* */ - /* Update TxInfo->USBDMApktLen , */ - /* the length = TXWI_SIZE + 802.11_hdr + 802.11_hdr_pad + payload_of_all_batch_frames + Bulk-Out-padding */ - /* */ - pTxInfo = (struct rt_txinfo *)(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 = (struct rt_txwi *) (pWirelessPacket + TXINFO_SIZE); - pTxWI->MPDUtotalByteCount = totalMPDUSize; - - /* */ - /* Update the pHTTXContext->CurWritePosition */ - /* */ - pHTTXContext->CurWritePosition += (TXINFO_SIZE + USBDMApktLen); - 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->SwUseLastRound = 1; - } - pHTTXContext->CurWriteRealPos = pHTTXContext->CurWritePosition; - - /* */ - /* Zero the last padding. */ - /* */ - pWirelessPacket = - (&pHTTXContext->TransferBuffer->field. - WirelessPacket[fillOffset + pTxBlk->Priv]); - 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(struct rt_rtmp_adapter *pAd, - u8 QueIdx, u16 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(struct rt_rtmp_adapter *pAd, - struct rt_tx_blk *pTxBlk, u8 QueIdx) -{ - 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(struct rt_rtmp_adapter *pAd, - u8 QueIdx, - void *pPacket, - u8 *pSrcBufVA, u32 SrcBufLen) -{ - struct rt_txinfo *pTxInfo; - unsigned long BulkOutSize; - u8 padLen; - u8 *pDest; - unsigned long SwIdx = pAd->MgmtRing.TxCpuIdx; - struct rt_tx_context *pMLMEContext = - (struct rt_tx_context *)pAd->MgmtRing.Cell[SwIdx].AllocVa; - unsigned long IrqFlags; - - pTxInfo = (struct rt_txinfo *)(pSrcBufVA); - - /* Build our URB for USBD */ - BulkOutSize = SrcBufLen; - BulkOutSize = (BulkOutSize + 3) & (~3); - RTMPWriteTxInfo(pAd, pTxInfo, (u16)(BulkOutSize - TXINFO_SIZE), - TRUE, EpToQueue[MGMTPIPEIDX], FALSE, FALSE); - - BulkOutSize += 4; /* Always add 4 extra bytes at every packet. */ - - /* 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 = (u8 *)(pSrcBufVA + SrcBufLen); - skb_put(GET_OS_PKT_TYPE(pPacket), padLen); - NdisZeroMemory(pDest, padLen); - - RTMP_IRQ_LOCK(&pAd->MLMEBulkOutLock, IrqFlags); - - pAd->MgmtRing.Cell[pAd->MgmtRing.TxCpuIdx].pNdisPacket = pPacket; - pMLMEContext->TransferBuffer = - (struct rt_tx_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; - - /*for debug */ - /*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); - - RTUSB_SET_BULK_FLAG(pAd, fRTUSB_BULK_OUT_MLME); - /*if (needKickOut) */ - RTUSBKickBulkOut(pAd); - - return 0; -} - -void RtmpUSBNullFrameKickOut(struct rt_rtmp_adapter *pAd, - u8 QueIdx, - u8 * pNullFrame, u32 frameLen) -{ - if (pAd->NullContext.InUse == FALSE) { - struct rt_tx_context *pNullContext; - struct rt_txinfo *pTxInfo; - struct rt_txwi * pTxWI; - u8 *pWirelessPkt; - - pNullContext = &(pAd->NullContext); - - /* Set the in use bit */ - pNullContext->InUse = TRUE; - pWirelessPkt = - (u8 *)& pNullContext->TransferBuffer->field. - WirelessPacket[0]; - - RTMPZeroMemory(&pWirelessPkt[0], 100); - pTxInfo = (struct rt_txinfo *)& pWirelessPkt[0]; - RTMPWriteTxInfo(pAd, pTxInfo, - (u16)(sizeof(struct rt_header_802_11) + TXWI_SIZE), - TRUE, EpToQueue[MGMTPIPEIDX], FALSE, FALSE); - pTxInfo->QSEL = FIFO_EDCA; - pTxWI = (struct rt_txwi *) & pWirelessPkt[TXINFO_SIZE]; - RTMPWriteTxWI(pAd, pTxWI, FALSE, FALSE, FALSE, FALSE, TRUE, - FALSE, 0, BSSID_WCID, (sizeof(struct rt_header_802_11)), 0, - 0, (u8)pAd->CommonCfg.MlmeTransmit.field.MCS, - IFS_HTTXOP, FALSE, &pAd->CommonCfg.MlmeTransmit); - - RTMPMoveMemory(&pWirelessPkt[TXWI_SIZE + TXINFO_SIZE], - &pAd->NullFrame, sizeof(struct rt_header_802_11)); - pAd->NullContext.BulkOutSize = - TXINFO_SIZE + TXWI_SIZE + sizeof(pAd->NullFrame) + 4; - - /* Fill out frame length information for global Bulk out arbitor */ - /*pNullContext->BulkOutSize = TransferBufferLength; */ - DBGPRINT(RT_DEBUG_TRACE, - ("SYNC - send NULL Frame @%d Mbps...\n", - RateIdToMbps[pAd->CommonCfg.TxRate])); - RTUSB_SET_BULK_FLAG(pAd, fRTUSB_BULK_OUT_DATA_NULL); - - /* 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 received packet - -Note: -======================================================================== -*/ -void *GetPacketFromRxRing(struct rt_rtmp_adapter *pAd, - OUT PRT28XX_RXD_STRUC pSaveRxD, - OUT BOOLEAN * pbReschedule, - IN u32 * pRxPending) -{ - struct rt_rx_context *pRxContext; - void *pSkb; - u8 *pData; - unsigned long ThisFrameLen; - unsigned long RxBufferLength; - struct rt_rxwi * pRxWI; - - 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 + sizeof(struct rt_rxwi) + - sizeof(struct rt_rxinfo))) { - 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(struct rt_rxinfo)) */ - { - 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 = (struct rt_rxwi *) pData; - if (pRxWI->MPDUtotalByteCount > ThisFrameLen) { - DBGPRINT(RT_DEBUG_ERROR, - ("%s():pRxWIMPDUtotalByteCount(%d) large than RxDMALen(%ld)\n", - __FUNCTION__, pRxWI->MPDUtotalByteCount, - ThisFrameLen)); - goto label_null; - } - /* allocate a rx packet */ - pSkb = dev_alloc_skb(ThisFrameLen); - if (pSkb == NULL) { - DBGPRINT(RT_DEBUG_ERROR, - ("%s():Cannot Allocate sk buffer for this Bulk-In buffer!\n", - __FUNCTION__)); - goto label_null; - } - /* copy the rx packet */ - memcpy(skb_put(pSkb, ThisFrameLen), pData, ThisFrameLen); - RTPKT_TO_OSPKT(pSkb)->dev = get_netdev_from_bssid(pAd, BSS0); - RTMP_SET_PACKET_SOURCE(OSPKT_TO_RTPKT(pSkb), PKTSRC_NDIS); - - /* copy RxD */ - *pSaveRxD = *(struct rt_rxinfo *) (pData + ThisFrameLen); - - /* update next packet read position. */ - pAd->ReadPosition += (ThisFrameLen + RT2870_RXDMALEN_FIELD_SIZE + RXINFO_SIZE); /* 8 for (RT2870_RXDMALEN_FIELD_SIZE + sizeof(struct rt_rxinfo)) */ - - return pSkb; - -label_null: - - return NULL; -} - -/* - ======================================================================== - - 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: - - ======================================================================== -*/ -int RTMPCheckRxError(struct rt_rtmp_adapter *pAd, - struct rt_header_802_11 * pHeader, - struct rt_rxwi * pRxWI, IN PRT28XX_RXD_STRUC pRxINFO) -{ - struct rt_cipher_key *pWpaKey; - int dBm; - - if (pAd->bPromiscuous == TRUE) - return (NDIS_STATUS_SUCCESS); - 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); - - /* Drop ToDs promiscuous frame, it is opened due to CCX 2 channel load statistics */ - if (pHeader->FC.ToDs) { - DBGPRINT_RAW(RT_DEBUG_ERROR, ("Err;FC.ToDs\n")); - return NDIS_STATUS_FAILURE; - } - /* 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, can't 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) - && pAd->CommonCfg.bWirelessEvent && INFRA_ON(pAd)) - RTMPSendWirelessEvent(pAd, IW_ICV_ERROR_EVENT_FLAG, - pAd->MacTab.Content[BSSID_WCID]. - Addr, BSS0, 0); - - if (((pRxINFO->CipherErr & 2) == 2) - && pAd->CommonCfg.bWirelessEvent && 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]; - 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(void *SystemSpecific1, - void *FunctionContext, - void *SystemSpecific2, - void *SystemSpecific3) -{ - struct rt_rtmp_adapter *pAd = (struct rt_rtmp_adapter *)FunctionContext; - - if (pAd && pAd->Mlme.AutoWakeupTimerRunning) { - AsicSendCommandToMcu(pAd, 0x31, 0xff, 0x00, 0x02); - - OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_DOZE); - pAd->Mlme.AutoWakeupTimerRunning = FALSE; - } -} - -void RT28xxUsbStaAsicForceWakeup(struct rt_rtmp_adapter *pAd, IN BOOLEAN bFromTx) -{ - BOOLEAN Canceled; - - if (pAd->Mlme.AutoWakeupTimerRunning) - RTMPCancelTimer(&pAd->Mlme.AutoWakeupTimer, &Canceled); - - AsicSendCommandToMcu(pAd, 0x31, 0xff, 0x00, 0x02); - - OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_DOZE); -} - -void RT28xxUsbStaAsicSleepThenAutoWakeup(struct rt_rtmp_adapter *pAd, - u16 TbttNumToNextWakeUp) -{ - - /* 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); /* send POWER-SAVE command to MCU. Timeout 40us. */ - - OPSTATUS_SET_FLAG(pAd, fOP_STATUS_DOZE); - -} - -#endif /* RTMP_MAC_USB // */ |