diff options
Diffstat (limited to 'drivers/staging/rt2860/common/2860_rtmp_init.c')
| -rw-r--r-- | drivers/staging/rt2860/common/2860_rtmp_init.c | 897 |
1 files changed, 0 insertions, 897 deletions
diff --git a/drivers/staging/rt2860/common/2860_rtmp_init.c b/drivers/staging/rt2860/common/2860_rtmp_init.c deleted file mode 100644 index 0bc0fb99d2e4..000000000000 --- a/drivers/staging/rt2860/common/2860_rtmp_init.c +++ /dev/null @@ -1,897 +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. * - * * - ************************************************************************* - - Module Name: - 2860_rtmp_init.c - - Abstract: - Miniport generic portion header file - - Revision History: - Who When What - -------- ---------- ---------------------------------------------- - Paul Lin 2002-08-01 created - John Chang 2004-08-20 RT2561/2661 use scatter-gather scheme - Jan Lee 2006-09-15 RT2860. Change for 802.11n , EEPROM, Led, BA, HT. -*/ -#include "../rt_config.h" - - - - -/* - ======================================================================== - - Routine Description: - Allocate DMA memory blocks for send, receive - - Arguments: - Adapter Pointer to our adapter - - Return Value: - NDIS_STATUS_SUCCESS - NDIS_STATUS_FAILURE - NDIS_STATUS_RESOURCES - - IRQL = PASSIVE_LEVEL - - Note: - - ======================================================================== -*/ -NDIS_STATUS RTMPAllocTxRxRingMemory( - IN PRTMP_ADAPTER pAd) -{ - NDIS_STATUS Status = NDIS_STATUS_SUCCESS; - ULONG RingBasePaHigh; - ULONG RingBasePaLow; - PVOID RingBaseVa; - INT index, num; - PTXD_STRUC pTxD; - PRXD_STRUC pRxD; - ULONG ErrorValue = 0; - PRTMP_TX_RING pTxRing; - PRTMP_DMABUF pDmaBuf; - PNDIS_PACKET pPacket; - - DBGPRINT(RT_DEBUG_TRACE, ("--> RTMPAllocTxRxRingMemory\n")); - do - { - // - // Allocate all ring descriptors, include TxD, RxD, MgmtD. - // Although each size is different, to prevent cacheline and alignment - // issue, I intentional set them all to 64 bytes. - // - for (num=0; num<NUM_OF_TX_RING; num++) - { - ULONG BufBasePaHigh; - ULONG BufBasePaLow; - PVOID BufBaseVa; - - // - // Allocate Tx ring descriptor's memory (5 TX rings = 4 ACs + 1 HCCA) - // - pAd->TxDescRing[num].AllocSize = TX_RING_SIZE * TXD_SIZE; - RTMP_AllocateTxDescMemory( - pAd, - num, - pAd->TxDescRing[num].AllocSize, - FALSE, - &pAd->TxDescRing[num].AllocVa, - &pAd->TxDescRing[num].AllocPa); - - if (pAd->TxDescRing[num].AllocVa == NULL) - { - ErrorValue = ERRLOG_OUT_OF_SHARED_MEMORY; - DBGPRINT_ERR(("Failed to allocate a big buffer\n")); - Status = NDIS_STATUS_RESOURCES; - break; - } - - // Zero init this memory block - NdisZeroMemory(pAd->TxDescRing[num].AllocVa, pAd->TxDescRing[num].AllocSize); - - // Save PA & VA for further operation - RingBasePaHigh = RTMP_GetPhysicalAddressHigh(pAd->TxDescRing[num].AllocPa); - RingBasePaLow = RTMP_GetPhysicalAddressLow (pAd->TxDescRing[num].AllocPa); - RingBaseVa = pAd->TxDescRing[num].AllocVa; - - // - // Allocate all 1st TXBuf's memory for this TxRing - // - pAd->TxBufSpace[num].AllocSize = TX_RING_SIZE * TX_DMA_1ST_BUFFER_SIZE; - RTMP_AllocateFirstTxBuffer( - pAd, - num, - pAd->TxBufSpace[num].AllocSize, - FALSE, - &pAd->TxBufSpace[num].AllocVa, - &pAd->TxBufSpace[num].AllocPa); - - if (pAd->TxBufSpace[num].AllocVa == NULL) - { - ErrorValue = ERRLOG_OUT_OF_SHARED_MEMORY; - DBGPRINT_ERR(("Failed to allocate a big buffer\n")); - Status = NDIS_STATUS_RESOURCES; - break; - } - - // Zero init this memory block - NdisZeroMemory(pAd->TxBufSpace[num].AllocVa, pAd->TxBufSpace[num].AllocSize); - - // Save PA & VA for further operation - BufBasePaHigh = RTMP_GetPhysicalAddressHigh(pAd->TxBufSpace[num].AllocPa); - BufBasePaLow = RTMP_GetPhysicalAddressLow (pAd->TxBufSpace[num].AllocPa); - BufBaseVa = pAd->TxBufSpace[num].AllocVa; - - // - // Initialize Tx Ring Descriptor and associated buffer memory - // - pTxRing = &pAd->TxRing[num]; - for (index = 0; index < TX_RING_SIZE; index++) - { - pTxRing->Cell[index].pNdisPacket = NULL; - pTxRing->Cell[index].pNextNdisPacket = NULL; - // Init Tx Ring Size, Va, Pa variables - pTxRing->Cell[index].AllocSize = TXD_SIZE; - pTxRing->Cell[index].AllocVa = RingBaseVa; - RTMP_SetPhysicalAddressHigh(pTxRing->Cell[index].AllocPa, RingBasePaHigh); - RTMP_SetPhysicalAddressLow (pTxRing->Cell[index].AllocPa, RingBasePaLow); - - // Setup Tx Buffer size & address. only 802.11 header will store in this space - pDmaBuf = &pTxRing->Cell[index].DmaBuf; - pDmaBuf->AllocSize = TX_DMA_1ST_BUFFER_SIZE; - pDmaBuf->AllocVa = BufBaseVa; - RTMP_SetPhysicalAddressHigh(pDmaBuf->AllocPa, BufBasePaHigh); - RTMP_SetPhysicalAddressLow(pDmaBuf->AllocPa, BufBasePaLow); - - // link the pre-allocated TxBuf to TXD - pTxD = (PTXD_STRUC) pTxRing->Cell[index].AllocVa; - pTxD->SDPtr0 = BufBasePaLow; - // advance to next ring descriptor address - pTxD->DMADONE = 1; - RingBasePaLow += TXD_SIZE; - RingBaseVa = (PUCHAR) RingBaseVa + TXD_SIZE; - - // advance to next TxBuf address - BufBasePaLow += TX_DMA_1ST_BUFFER_SIZE; - BufBaseVa = (PUCHAR) BufBaseVa + TX_DMA_1ST_BUFFER_SIZE; - } - DBGPRINT(RT_DEBUG_TRACE, ("TxRing[%d]: total %d entry allocated\n", num, index)); - } - if (Status == NDIS_STATUS_RESOURCES) - break; - - // - // Allocate MGMT ring descriptor's memory except Tx ring which allocated eariler - // - pAd->MgmtDescRing.AllocSize = MGMT_RING_SIZE * TXD_SIZE; - RTMP_AllocateMgmtDescMemory( - pAd, - pAd->MgmtDescRing.AllocSize, - FALSE, - &pAd->MgmtDescRing.AllocVa, - &pAd->MgmtDescRing.AllocPa); - - if (pAd->MgmtDescRing.AllocVa == NULL) - { - ErrorValue = ERRLOG_OUT_OF_SHARED_MEMORY; - DBGPRINT_ERR(("Failed to allocate a big buffer\n")); - Status = NDIS_STATUS_RESOURCES; - break; - } - - // Zero init this memory block - NdisZeroMemory(pAd->MgmtDescRing.AllocVa, pAd->MgmtDescRing.AllocSize); - - // Save PA & VA for further operation - RingBasePaHigh = RTMP_GetPhysicalAddressHigh(pAd->MgmtDescRing.AllocPa); - RingBasePaLow = RTMP_GetPhysicalAddressLow (pAd->MgmtDescRing.AllocPa); - RingBaseVa = pAd->MgmtDescRing.AllocVa; - - // - // Initialize MGMT Ring and associated buffer memory - // - for (index = 0; index < MGMT_RING_SIZE; index++) - { - pAd->MgmtRing.Cell[index].pNdisPacket = NULL; - pAd->MgmtRing.Cell[index].pNextNdisPacket = NULL; - // Init MGMT Ring Size, Va, Pa variables - pAd->MgmtRing.Cell[index].AllocSize = TXD_SIZE; - pAd->MgmtRing.Cell[index].AllocVa = RingBaseVa; - RTMP_SetPhysicalAddressHigh(pAd->MgmtRing.Cell[index].AllocPa, RingBasePaHigh); - RTMP_SetPhysicalAddressLow (pAd->MgmtRing.Cell[index].AllocPa, RingBasePaLow); - - // Offset to next ring descriptor address - RingBasePaLow += TXD_SIZE; - RingBaseVa = (PUCHAR) RingBaseVa + TXD_SIZE; - - // link the pre-allocated TxBuf to TXD - pTxD = (PTXD_STRUC) pAd->MgmtRing.Cell[index].AllocVa; - pTxD->DMADONE = 1; - - // no pre-allocated buffer required in MgmtRing for scatter-gather case - } - DBGPRINT(RT_DEBUG_TRACE, ("MGMT Ring: total %d entry allocated\n", index)); - - // - // Allocate RX ring descriptor's memory except Tx ring which allocated eariler - // - pAd->RxDescRing.AllocSize = RX_RING_SIZE * RXD_SIZE; - RTMP_AllocateRxDescMemory( - pAd, - pAd->RxDescRing.AllocSize, - FALSE, - &pAd->RxDescRing.AllocVa, - &pAd->RxDescRing.AllocPa); - - if (pAd->RxDescRing.AllocVa == NULL) - { - ErrorValue = ERRLOG_OUT_OF_SHARED_MEMORY; - DBGPRINT_ERR(("Failed to allocate a big buffer\n")); - Status = NDIS_STATUS_RESOURCES; - break; - } - - // Zero init this memory block - NdisZeroMemory(pAd->RxDescRing.AllocVa, pAd->RxDescRing.AllocSize); - - - printk("RX DESC %p size = %ld\n", pAd->RxDescRing.AllocVa, - pAd->RxDescRing.AllocSize); - - // Save PA & VA for further operation - RingBasePaHigh = RTMP_GetPhysicalAddressHigh(pAd->RxDescRing.AllocPa); - RingBasePaLow = RTMP_GetPhysicalAddressLow (pAd->RxDescRing.AllocPa); - RingBaseVa = pAd->RxDescRing.AllocVa; - - // - // Initialize Rx Ring and associated buffer memory - // - for (index = 0; index < RX_RING_SIZE; index++) - { - // Init RX Ring Size, Va, Pa variables - pAd->RxRing.Cell[index].AllocSize = RXD_SIZE; - pAd->RxRing.Cell[index].AllocVa = RingBaseVa; - RTMP_SetPhysicalAddressHigh(pAd->RxRing.Cell[index].AllocPa, RingBasePaHigh); - RTMP_SetPhysicalAddressLow (pAd->RxRing.Cell[index].AllocPa, RingBasePaLow); - - // Offset to next ring descriptor address - RingBasePaLow += RXD_SIZE; - RingBaseVa = (PUCHAR) RingBaseVa + RXD_SIZE; - - // Setup Rx associated Buffer size & allocate share memory - pDmaBuf = &pAd->RxRing.Cell[index].DmaBuf; - pDmaBuf->AllocSize = RX_BUFFER_AGGRESIZE; - pPacket = RTMP_AllocateRxPacketBuffer( - pAd, - pDmaBuf->AllocSize, - FALSE, - &pDmaBuf->AllocVa, - &pDmaBuf->AllocPa); - - /* keep allocated rx packet */ - pAd->RxRing.Cell[index].pNdisPacket = pPacket; - - // Error handling - if (pDmaBuf->AllocVa == NULL) - { - ErrorValue = ERRLOG_OUT_OF_SHARED_MEMORY; - DBGPRINT_ERR(("Failed to allocate RxRing's 1st buffer\n")); - Status = NDIS_STATUS_RESOURCES; - break; - } - - // Zero init this memory block - NdisZeroMemory(pDmaBuf->AllocVa, pDmaBuf->AllocSize); - - // Write RxD buffer address & allocated buffer length - pRxD = (PRXD_STRUC) pAd->RxRing.Cell[index].AllocVa; - pRxD->SDP0 = RTMP_GetPhysicalAddressLow(pDmaBuf->AllocPa); - pRxD->DDONE = 0; - } - - DBGPRINT(RT_DEBUG_TRACE, ("Rx Ring: total %d entry allocated\n", index)); - - } while (FALSE); - - - NdisZeroMemory(&pAd->FragFrame, sizeof(FRAGMENT_FRAME)); - pAd->FragFrame.pFragPacket = RTMP_AllocateFragPacketBuffer(pAd, RX_BUFFER_NORMSIZE); - - if (pAd->FragFrame.pFragPacket == NULL) - { - Status = NDIS_STATUS_RESOURCES; - } - - if (Status != NDIS_STATUS_SUCCESS) - { - // Log error inforamtion - NdisWriteErrorLogEntry( - pAd->AdapterHandle, - NDIS_ERROR_CODE_OUT_OF_RESOURCES, - 1, - ErrorValue); - } - - DBGPRINT_S(Status, ("<-- RTMPAllocTxRxRingMemory, Status=%x\n", Status)); - return Status; -} - - -/* - ======================================================================== - - Routine Description: - Initialize transmit data structures - - Arguments: - Adapter Pointer to our adapter - - Return Value: - None - - IRQL = PASSIVE_LEVEL - - Note: - Initialize all transmit releated private buffer, include those define - in RTMP_ADAPTER structure and all private data structures. - - ======================================================================== -*/ -VOID NICInitTxRxRingAndBacklogQueue( - IN PRTMP_ADAPTER pAd) -{ - //WPDMA_GLO_CFG_STRUC GloCfg; - int i; - - DBGPRINT(RT_DEBUG_TRACE, ("<--> NICInitTxRxRingAndBacklogQueue\n")); - - // Initialize all transmit related software queues - InitializeQueueHeader(&pAd->TxSwQueue[QID_AC_BE]); - InitializeQueueHeader(&pAd->TxSwQueue[QID_AC_BK]); - InitializeQueueHeader(&pAd->TxSwQueue[QID_AC_VI]); - InitializeQueueHeader(&pAd->TxSwQueue[QID_AC_VO]); - InitializeQueueHeader(&pAd->TxSwQueue[QID_HCCA]); - - // Init RX Ring index pointer - pAd->RxRing.RxSwReadIdx = 0; - pAd->RxRing.RxCpuIdx = RX_RING_SIZE - 1; - - // Init TX rings index pointer - for (i=0; i<NUM_OF_TX_RING; i++) - { - pAd->TxRing[i].TxSwFreeIdx = 0; - pAd->TxRing[i].TxCpuIdx = 0; - } - - // init MGMT ring index pointer - pAd->MgmtRing.TxSwFreeIdx = 0; - pAd->MgmtRing.TxCpuIdx = 0; - - pAd->PrivateInfo.TxRingFullCnt = 0; -} - - -/* - ======================================================================== - - Routine Description: - Reset NIC Asics. Call after rest DMA. So reset TX_CTX_IDX to zero. - - Arguments: - Adapter Pointer to our adapter - - Return Value: - None - - IRQL = PASSIVE_LEVEL - IRQL = DISPATCH_LEVEL - - Note: - Reset NIC to initial state AS IS system boot up time. - - ======================================================================== -*/ -VOID RTMPRingCleanUp( - IN PRTMP_ADAPTER pAd, - IN UCHAR RingType) -{ - PTXD_STRUC pTxD; - PRXD_STRUC pRxD; - PQUEUE_ENTRY pEntry; - PNDIS_PACKET pPacket; - int i; - PRTMP_TX_RING pTxRing; - unsigned long IrqFlags; - - DBGPRINT(RT_DEBUG_TRACE,("RTMPRingCleanUp(RingIdx=%d, Pending-NDIS=%ld)\n", RingType, pAd->RalinkCounters.PendingNdisPacketCount)); - switch (RingType) - { - case QID_AC_BK: - case QID_AC_BE: - case QID_AC_VI: - case QID_AC_VO: - case QID_HCCA: - RTMP_IRQ_LOCK(&pAd->irq_lock, IrqFlags); - pTxRing = &pAd->TxRing[RingType]; - - // We have to clean all descriptors in case some error happened with reset - for (i=0; i<TX_RING_SIZE; i++) // We have to scan all TX ring - { - pTxD = (PTXD_STRUC) pTxRing->Cell[i].AllocVa; - - pPacket = (PNDIS_PACKET) pTxRing->Cell[i].pNdisPacket; - // release scatter-and-gather NDIS_PACKET - if (pPacket) - { - RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE); - pTxRing->Cell[i].pNdisPacket = NULL; - } - - pPacket = (PNDIS_PACKET) pTxRing->Cell[i].pNextNdisPacket; - // release scatter-and-gather NDIS_PACKET - if (pPacket) - { - RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE); - pTxRing->Cell[i].pNextNdisPacket = NULL; - } - } - - RTMP_IO_READ32(pAd, TX_DTX_IDX0 + RingType * 0x10, &pTxRing->TxDmaIdx); - pTxRing->TxSwFreeIdx = pTxRing->TxDmaIdx; - pTxRing->TxCpuIdx = pTxRing->TxDmaIdx; - RTMP_IO_WRITE32(pAd, TX_CTX_IDX0 + RingType * 0x10, pTxRing->TxCpuIdx); - - RTMP_IRQ_UNLOCK(&pAd->irq_lock, IrqFlags); - RTMP_IRQ_LOCK(&pAd->irq_lock, IrqFlags); - while (pAd->TxSwQueue[RingType].Head != NULL) - { - pEntry = RemoveHeadQueue(&pAd->TxSwQueue[RingType]); - pPacket = QUEUE_ENTRY_TO_PACKET(pEntry); - RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE); - DBGPRINT(RT_DEBUG_TRACE,("Release 1 NDIS packet from s/w backlog queue\n")); - } - RTMP_IRQ_UNLOCK(&pAd->irq_lock, IrqFlags); - break; - - case QID_MGMT: - // We have to clean all descriptors in case some error happened with reset - NdisAcquireSpinLock(&pAd->MgmtRingLock); - - for (i=0; i<MGMT_RING_SIZE; i++) - { - pTxD = (PTXD_STRUC) pAd->MgmtRing.Cell[i].AllocVa; - - pPacket = (PNDIS_PACKET) pAd->MgmtRing.Cell[i].pNdisPacket; - // rlease scatter-and-gather NDIS_PACKET - if (pPacket) - { - PCI_UNMAP_SINGLE(pAd, pTxD->SDPtr0, pTxD->SDLen0, PCI_DMA_TODEVICE); - RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE); - } - pAd->MgmtRing.Cell[i].pNdisPacket = NULL; - - pPacket = (PNDIS_PACKET) pAd->MgmtRing.Cell[i].pNextNdisPacket; - // release scatter-and-gather NDIS_PACKET - if (pPacket) - { - PCI_UNMAP_SINGLE(pAd, pTxD->SDPtr1, pTxD->SDLen1, PCI_DMA_TODEVICE); - RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE); - } - pAd->MgmtRing.Cell[i].pNextNdisPacket = NULL; - - } - - RTMP_IO_READ32(pAd, TX_MGMTDTX_IDX, &pAd->MgmtRing.TxDmaIdx); - pAd->MgmtRing.TxSwFreeIdx = pAd->MgmtRing.TxDmaIdx; - pAd->MgmtRing.TxCpuIdx = pAd->MgmtRing.TxDmaIdx; - RTMP_IO_WRITE32(pAd, TX_MGMTCTX_IDX, pAd->MgmtRing.TxCpuIdx); - - NdisReleaseSpinLock(&pAd->MgmtRingLock); - pAd->RalinkCounters.MgmtRingFullCount = 0; - break; - - case QID_RX: - // We have to clean all descriptors in case some error happened with reset - NdisAcquireSpinLock(&pAd->RxRingLock); - - for (i=0; i<RX_RING_SIZE; i++) - { - pRxD = (PRXD_STRUC) pAd->RxRing.Cell[i].AllocVa; - pRxD->DDONE = 0 ; - } - - RTMP_IO_READ32(pAd, RX_DRX_IDX, &pAd->RxRing.RxDmaIdx); - pAd->RxRing.RxSwReadIdx = pAd->RxRing.RxDmaIdx; - pAd->RxRing.RxCpuIdx = ((pAd->RxRing.RxDmaIdx == 0) ? (RX_RING_SIZE-1) : (pAd->RxRing.RxDmaIdx-1)); - RTMP_IO_WRITE32(pAd, RX_CRX_IDX, pAd->RxRing.RxCpuIdx); - - NdisReleaseSpinLock(&pAd->RxRingLock); - break; - - default: - break; - } -} - - -NDIS_STATUS AdapterBlockAllocateMemory( - IN PVOID handle, - OUT PVOID *ppAd) -{ - PPCI_DEV pci_dev; - dma_addr_t *phy_addr; - POS_COOKIE pObj = (POS_COOKIE) handle; - - pci_dev = pObj->pci_dev; - phy_addr = &pObj->pAd_pa; - - *ppAd = (PVOID)vmalloc(sizeof(RTMP_ADAPTER)); //pci_alloc_consistent(pci_dev, sizeof(RTMP_ADAPTER), phy_addr); - - if (*ppAd) - { - NdisZeroMemory(*ppAd, sizeof(RTMP_ADAPTER)); - ((PRTMP_ADAPTER)*ppAd)->OS_Cookie = handle; - return (NDIS_STATUS_SUCCESS); - } else { - return (NDIS_STATUS_FAILURE); - } -} - - -void RTMP_AllocateTxDescMemory( - IN PRTMP_ADAPTER pAd, - IN UINT Index, - IN ULONG Length, - IN BOOLEAN Cached, - OUT PVOID *VirtualAddress, - OUT PNDIS_PHYSICAL_ADDRESS PhysicalAddress) -{ - POS_COOKIE pObj = (POS_COOKIE)pAd->OS_Cookie; - - *VirtualAddress = (PVOID)PCI_ALLOC_CONSISTENT(pObj->pci_dev,sizeof(char)*Length, PhysicalAddress); - -} - -void RTMP_AllocateMgmtDescMemory( - IN PRTMP_ADAPTER pAd, - IN ULONG Length, - IN BOOLEAN Cached, - OUT PVOID *VirtualAddress, - OUT PNDIS_PHYSICAL_ADDRESS PhysicalAddress) -{ - POS_COOKIE pObj = (POS_COOKIE)pAd->OS_Cookie; - - *VirtualAddress = (PVOID)PCI_ALLOC_CONSISTENT(pObj->pci_dev,sizeof(char)*Length, PhysicalAddress); - -} - -void RTMP_AllocateRxDescMemory( - IN PRTMP_ADAPTER pAd, - IN ULONG Length, - IN BOOLEAN Cached, - OUT PVOID *VirtualAddress, - OUT PNDIS_PHYSICAL_ADDRESS PhysicalAddress) -{ - POS_COOKIE pObj = (POS_COOKIE)pAd->OS_Cookie; - - *VirtualAddress = (PVOID)PCI_ALLOC_CONSISTENT(pObj->pci_dev,sizeof(char)*Length, PhysicalAddress); - -} - -void RTMP_FreeRxDescMemory( - IN PRTMP_ADAPTER pAd, - IN ULONG Length, - IN PVOID VirtualAddress, - IN NDIS_PHYSICAL_ADDRESS PhysicalAddress) -{ - POS_COOKIE pObj = (POS_COOKIE)pAd->OS_Cookie; - - PCI_FREE_CONSISTENT(pObj->pci_dev, Length, VirtualAddress, PhysicalAddress); -} - - -void RTMP_AllocateFirstTxBuffer( - IN PRTMP_ADAPTER pAd, - IN UINT Index, - IN ULONG Length, - IN BOOLEAN Cached, - OUT PVOID *VirtualAddress, - OUT PNDIS_PHYSICAL_ADDRESS PhysicalAddress) -{ - POS_COOKIE pObj = (POS_COOKIE)pAd->OS_Cookie; - - *VirtualAddress = (PVOID)PCI_ALLOC_CONSISTENT(pObj->pci_dev,sizeof(char)*Length, PhysicalAddress); -} - -/* - * FUNCTION: Allocate a common buffer for DMA - * ARGUMENTS: - * AdapterHandle: AdapterHandle - * Length: Number of bytes to allocate - * Cached: Whether or not the memory can be cached - * VirtualAddress: Pointer to memory is returned here - * PhysicalAddress: Physical address corresponding to virtual address - */ - -void RTMP_AllocateSharedMemory( - IN PRTMP_ADAPTER pAd, - IN ULONG Length, - IN BOOLEAN Cached, - OUT PVOID *VirtualAddress, - OUT PNDIS_PHYSICAL_ADDRESS PhysicalAddress) -{ - POS_COOKIE pObj = (POS_COOKIE)pAd->OS_Cookie; - - *VirtualAddress = (PVOID)PCI_ALLOC_CONSISTENT(pObj->pci_dev,sizeof(char)*Length, PhysicalAddress); -} - -VOID RTMPFreeTxRxRingMemory( - IN PRTMP_ADAPTER pAd) -{ - int index, num , j; - PRTMP_TX_RING pTxRing; - PTXD_STRUC pTxD; - PNDIS_PACKET pPacket; - unsigned int IrqFlags; - - POS_COOKIE pObj =(POS_COOKIE) pAd->OS_Cookie; - - DBGPRINT(RT_DEBUG_TRACE, ("--> RTMPFreeTxRxRingMemory\n")); - - // Free TxSwQueue Packet - for (index=0; index <NUM_OF_TX_RING; index++) - { - PQUEUE_ENTRY pEntry; - PNDIS_PACKET pPacket; - PQUEUE_HEADER pQueue; - - RTMP_IRQ_LOCK(&pAd->irq_lock, IrqFlags); - pQueue = &pAd->TxSwQueue[index]; - while (pQueue->Head) - { - pEntry = RemoveHeadQueue(pQueue); - pPacket = QUEUE_ENTRY_TO_PACKET(pEntry); - RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE); - } - RTMP_IRQ_UNLOCK(&pAd->irq_lock, IrqFlags); - } - - // Free Tx Ring Packet - for (index=0;index< NUM_OF_TX_RING;index++) - { - pTxRing = &pAd->TxRing[index]; - - for (j=0; j< TX_RING_SIZE; j++) - { - pTxD = (PTXD_STRUC) (pTxRing->Cell[j].AllocVa); - pPacket = pTxRing->Cell[j].pNdisPacket; - - if (pPacket) - { - PCI_UNMAP_SINGLE(pAd, pTxD->SDPtr0, pTxD->SDLen0, PCI_DMA_TODEVICE); - RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_SUCCESS); - } - //Always assign pNdisPacket as NULL after clear - pTxRing->Cell[j].pNdisPacket = NULL; - - pPacket = pTxRing->Cell[j].pNextNdisPacket; - - if (pPacket) - { - PCI_UNMAP_SINGLE(pAd, pTxD->SDPtr1, pTxD->SDLen1, PCI_DMA_TODEVICE); - RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_SUCCESS); - } - //Always assign pNextNdisPacket as NULL after clear - pTxRing->Cell[pTxRing->TxSwFreeIdx].pNextNdisPacket = NULL; - - } - } - - for (index = RX_RING_SIZE - 1 ; index >= 0; index--) - { - if ((pAd->RxRing.Cell[index].DmaBuf.AllocVa) && (pAd->RxRing.Cell[index].pNdisPacket)) - { - PCI_UNMAP_SINGLE(pObj->pci_dev, pAd->RxRing.Cell[index].DmaBuf.AllocPa, pAd->RxRing.Cell[index].DmaBuf.AllocSize, PCI_DMA_FROMDEVICE); - RELEASE_NDIS_PACKET(pAd, pAd->RxRing.Cell[index].pNdisPacket, NDIS_STATUS_SUCCESS); - } - } - NdisZeroMemory(pAd->RxRing.Cell, RX_RING_SIZE * sizeof(RTMP_DMACB)); - - if (pAd->RxDescRing.AllocVa) - { - PCI_FREE_CONSISTENT(pObj->pci_dev, pAd->RxDescRing.AllocSize, pAd->RxDescRing.AllocVa, pAd->RxDescRing.AllocPa); - } - NdisZeroMemory(&pAd->RxDescRing, sizeof(RTMP_DMABUF)); - - if (pAd->MgmtDescRing.AllocVa) - { - PCI_FREE_CONSISTENT(pObj->pci_dev, pAd->MgmtDescRing.AllocSize, pAd->MgmtDescRing.AllocVa, pAd->MgmtDescRing.AllocPa); - } - NdisZeroMemory(&pAd->MgmtDescRing, sizeof(RTMP_DMABUF)); - - for (num = 0; num < NUM_OF_TX_RING; num++) - { - if (pAd->TxBufSpace[num].AllocVa) - { - PCI_FREE_CONSISTENT(pObj->pci_dev, pAd->TxBufSpace[num].AllocSize, pAd->TxBufSpace[num].AllocVa, pAd->TxBufSpace[num].AllocPa); - } - NdisZeroMemory(&pAd->TxBufSpace[num], sizeof(RTMP_DMABUF)); - - if (pAd->TxDescRing[num].AllocVa) - { - PCI_FREE_CONSISTENT(pObj->pci_dev, pAd->TxDescRing[num].AllocSize, pAd->TxDescRing[num].AllocVa, pAd->TxDescRing[num].AllocPa); - } - NdisZeroMemory(&pAd->TxDescRing[num], sizeof(RTMP_DMABUF)); - } - - if (pAd->FragFrame.pFragPacket) - RELEASE_NDIS_PACKET(pAd, pAd->FragFrame.pFragPacket, NDIS_STATUS_SUCCESS); - - DBGPRINT(RT_DEBUG_TRACE, ("<-- RTMPFreeTxRxRingMemory\n")); -} - - -/* - * FUNCTION: Allocate a packet buffer for DMA - * ARGUMENTS: - * AdapterHandle: AdapterHandle - * Length: Number of bytes to allocate - * Cached: Whether or not the memory can be cached - * VirtualAddress: Pointer to memory is returned here - * PhysicalAddress: Physical address corresponding to virtual address - * Notes: - * Cached is ignored: always cached memory - */ -PNDIS_PACKET RTMP_AllocateRxPacketBuffer( - IN PRTMP_ADAPTER pAd, - IN ULONG Length, - IN BOOLEAN Cached, - OUT PVOID *VirtualAddress, - OUT PNDIS_PHYSICAL_ADDRESS PhysicalAddress) -{ - PNDIS_PACKET pkt; - - pkt = RTPKT_TO_OSPKT(DEV_ALLOC_SKB(Length)); - - if (pkt == NULL) { - DBGPRINT(RT_DEBUG_ERROR, ("can't allocate rx %ld size packet\n",Length)); - } - - if (pkt) { - RTMP_SET_PACKET_SOURCE(pkt, PKTSRC_NDIS); - *VirtualAddress = (PVOID) RTPKT_TO_OSPKT(pkt)->data; - *PhysicalAddress = PCI_MAP_SINGLE(pAd, *VirtualAddress, Length, -1, PCI_DMA_FROMDEVICE); - } else { - *VirtualAddress = (PVOID) NULL; - *PhysicalAddress = (NDIS_PHYSICAL_ADDRESS) NULL; - } - - return (PNDIS_PACKET) pkt; -} - - -VOID Invalid_Remaining_Packet( - IN PRTMP_ADAPTER pAd, - IN ULONG VirtualAddress) -{ - NDIS_PHYSICAL_ADDRESS PhysicalAddress; - - PhysicalAddress = PCI_MAP_SINGLE(pAd, (void *)(VirtualAddress+1600), RX_BUFFER_NORMSIZE-1600, -1, PCI_DMA_FROMDEVICE); -} - -PNDIS_PACKET GetPacketFromRxRing( - IN PRTMP_ADAPTER pAd, - OUT PRT28XX_RXD_STRUC pSaveRxD, - OUT BOOLEAN *pbReschedule, - IN OUT UINT32 *pRxPending) -{ - PRXD_STRUC pRxD; - PNDIS_PACKET pRxPacket = NULL; - PNDIS_PACKET pNewPacket; - PVOID AllocVa; - NDIS_PHYSICAL_ADDRESS AllocPa; - BOOLEAN bReschedule = FALSE; - - RTMP_SEM_LOCK(&pAd->RxRingLock); - - if (*pRxPending == 0) - { - // Get how may packets had been received - RTMP_IO_READ32(pAd, RX_DRX_IDX , &pAd->RxRing.RxDmaIdx); - - if (pAd->RxRing.RxSwReadIdx == pAd->RxRing.RxDmaIdx) - { - // no more rx packets - bReschedule = FALSE; - goto done; - } - - // get rx pending count - if (pAd->RxRing.RxDmaIdx > pAd->RxRing.RxSwReadIdx) - *pRxPending = pAd->RxRing.RxDmaIdx - pAd->RxRing.RxSwReadIdx; - else - *pRxPending = pAd->RxRing.RxDmaIdx + RX_RING_SIZE - pAd->RxRing.RxSwReadIdx; - - } - - // Point to Rx indexed rx ring descriptor - pRxD = (PRXD_STRUC) pAd->RxRing.Cell[pAd->RxRing.RxSwReadIdx].AllocVa; - - if (pRxD->DDONE == 0) - { - *pRxPending = 0; - // DMAIndx had done but DDONE bit not ready - bReschedule = TRUE; - goto done; - } - - - // return rx descriptor - NdisMoveMemory(pSaveRxD, pRxD, RXD_SIZE); - - pNewPacket = RTMP_AllocateRxPacketBuffer(pAd, RX_BUFFER_AGGRESIZE, FALSE, &AllocVa, &AllocPa); - - if (pNewPacket) - { - // unmap the rx buffer - PCI_UNMAP_SINGLE(pAd, pAd->RxRing.Cell[pAd->RxRing.RxSwReadIdx].DmaBuf.AllocPa, - pAd->RxRing.Cell[pAd->RxRing.RxSwReadIdx].DmaBuf.AllocSize, PCI_DMA_FROMDEVICE); - pRxPacket = pAd->RxRing.Cell[pAd->RxRing.RxSwReadIdx].pNdisPacket; - - pAd->RxRing.Cell[pAd->RxRing.RxSwReadIdx].DmaBuf.AllocSize = RX_BUFFER_AGGRESIZE; - pAd->RxRing.Cell[pAd->RxRing.RxSwReadIdx].pNdisPacket = (PNDIS_PACKET) pNewPacket; - pAd->RxRing.Cell[pAd->RxRing.RxSwReadIdx].DmaBuf.AllocVa = AllocVa; - pAd->RxRing.Cell[pAd->RxRing.RxSwReadIdx].DmaBuf.AllocPa = AllocPa; - /* update SDP0 to new buffer of rx packet */ - pRxD->SDP0 = AllocPa; - } - else - { - //printk("No Rx Buffer\n"); - pRxPacket = NULL; - bReschedule = TRUE; - } - - pRxD->DDONE = 0; - - // had handled one rx packet - *pRxPending = *pRxPending - 1; - - // update rx descriptor and kick rx - INC_RING_INDEX(pAd->RxRing.RxSwReadIdx, RX_RING_SIZE); - - pAd->RxRing.RxCpuIdx = (pAd->RxRing.RxSwReadIdx == 0) ? (RX_RING_SIZE-1) : (pAd->RxRing.RxSwReadIdx-1); - RTMP_IO_WRITE32(pAd, RX_CRX_IDX, pAd->RxRing.RxCpuIdx); - -done: - RTMP_SEM_UNLOCK(&pAd->RxRingLock); - *pbReschedule = bReschedule; - return pRxPacket; -} -/* End of 2860_rtmp_init.c */ - |