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cmm_mac_usb.c
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/*
*************************************************************************
* Ralink Tech Inc.
* 5F., No.36, Taiyuan St., Jhubei City,
* Hsinchu County 302,
* Taiwan, R.O.C.
*
* (c) Copyright 2002-2010, 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 WITHANY 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. *
* *
*************************************************************************/
#ifdef RTMP_MAC_USB
#define usb_buffer_alloc(a, b, c, d) usb_alloc_coherent(a, b, c, d)
#define usb_buffer_free(a, b, c, d) usb_free_coherent(a, b, c, d)
#include "rt_config.h"
static NDIS_STATUS RTMPAllocUsbBulkBufStruct(
IN RTMP_ADAPTER *pAd,
IN PURB *ppUrb,
IN void * *ppXBuffer,
IN int bufLen,
IN ra_dma_addr_t *pDmaAddr,
IN char* pBufName)
{
POS_COOKIE pObj = (POS_COOKIE) pAd->OS_Cookie;
*ppUrb = RTUSB_ALLOC_URB(0);
if (*ppUrb == NULL)
{
DBGPRINT(RT_DEBUG_ERROR, ("<-- ERROR in Alloc urb struct for %s !\n", pBufName));
return NDIS_STATUS_RESOURCES;
}
*ppXBuffer = RTUSB_URB_ALLOC_BUFFER(pObj->pUsb_Dev, bufLen, pDmaAddr);
if (*ppXBuffer == NULL) {
DBGPRINT(RT_DEBUG_ERROR, ("<-- ERROR in Alloc Bulk buffer for %s!\n", pBufName));
return NDIS_STATUS_RESOURCES;
}
return NDIS_STATUS_SUCCESS;
}
static NDIS_STATUS RTMPFreeUsbBulkBufStruct(
IN RTMP_ADAPTER *pAd,
IN PURB *ppUrb,
IN unsigned char* *ppXBuffer,
IN int bufLen,
IN ra_dma_addr_t data_dma)
{
POS_COOKIE pObj = (POS_COOKIE) pAd->OS_Cookie;
if (NULL != *ppUrb) {
RTUSB_UNLINK_URB(*ppUrb);
RTUSB_FREE_URB(*ppUrb);
*ppUrb = NULL;
}
if (NULL != *ppXBuffer) {
RTUSB_URB_FREE_BUFFER(pObj->pUsb_Dev, bufLen, *ppXBuffer, data_dma);
*ppXBuffer = NULL;
}
return NDIS_STATUS_SUCCESS;
}
#ifdef RESOURCE_PRE_ALLOC
void RTMPResetTxRxRingMemory(
IN RTMP_ADAPTER * pAd)
{
unsigned int index, i, acidx;
PTX_CONTEXT pNullContext = &pAd->NullContext;
PTX_CONTEXT pPsPollContext = &pAd->PsPollContext;
PCMD_RSP_CONTEXT pCmdRspEventContext = &pAd->CmdRspEventContext;
unsigned int IrqFlags;
/* 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);
}
/* unlink all urbs for the RECEIVE buffer queue.*/
for(i=0; i<(RX_RING_SIZE); i++)
{
PRX_CONTEXT pRxContext = &(pAd->RxContext[i]);
if (pRxContext->pUrb)
RTUSB_UNLINK_URB(pRxContext->pUrb);
}
if (pCmdRspEventContext->pUrb)
RTUSB_UNLINK_URB(pCmdRspEventContext->pUrb);
/* unlink PsPoll urb resource*/
if (pPsPollContext && pPsPollContext->pUrb)
RTUSB_UNLINK_URB(pPsPollContext->pUrb);
/* Free NULL frame urb resource*/
if (pNullContext && pNullContext->pUrb)
RTUSB_UNLINK_URB(pNullContext->pUrb);
/* Free mgmt frame resource*/
for(i = 0; i < MGMT_RING_SIZE; i++)
{
PTX_CONTEXT pMLMEContext = (PTX_CONTEXT)pAd->MgmtRing.Cell[i].AllocVa;
if (pMLMEContext)
{
if (NULL != pMLMEContext->pUrb)
{
RTUSB_UNLINK_URB(pMLMEContext->pUrb);
RTUSB_FREE_URB(pMLMEContext->pUrb);
pMLMEContext->pUrb = NULL;
}
}
if (NULL != pAd->MgmtRing.Cell[i].pNdisPacket)
{
RELEASE_NDIS_PACKET(pAd, pAd->MgmtRing.Cell[i].pNdisPacket, NDIS_STATUS_FAILURE);
pAd->MgmtRing.Cell[i].pNdisPacket = NULL;
if (pMLMEContext)
pMLMEContext->TransferBuffer = NULL;
}
}
/* Free Tx frame resource*/
for (acidx = 0; acidx < 4; acidx++)
{
PHT_TX_CONTEXT pHTTXContext = &(pAd->TxContext[acidx]);
if (pHTTXContext && pHTTXContext->pUrb)
RTUSB_UNLINK_URB(pHTTXContext->pUrb);
}
for(i=0; i<6; i++)
{
NdisFreeSpinLock(&pAd->BulkOutLock[i]);
}
NdisFreeSpinLock(&pAd->BulkInLock);
NdisFreeSpinLock(&pAd->CmdRspLock);
NdisFreeSpinLock(&pAd->MLMEBulkOutLock);
NdisFreeSpinLock(&pAd->CmdQLock);
#ifdef RALINK_ATE
NdisFreeSpinLock(&pAd->GenericLock);
#endif /* RALINK_ATE */
/* Clear all pending bulk-out request flags.*/
RTUSB_CLEAR_BULK_FLAG(pAd, 0xffffffff);
for (i = 0; i < NUM_OF_TX_RING; i++)
{
NdisFreeSpinLock(&pAd->TxContextQueueLock[i]);
}
/*
NdisFreeSpinLock(&pAd->MacTabLock);
for(i=0; i<MAX_LEN_OF_BA_REC_TABLE; i++)
{
NdisFreeSpinLock(&pAd->BATable.BARecEntry[i].RxReRingLock);
}
*/
}
/*
========================================================================
Routine Description:
Calls USB_InterfaceStop and frees memory allocated for the URBs
calls NdisMDeregisterDevice and frees the memory
allocated in VNetInitialize for the Adapter Object
Arguments:
*pAd the raxx interface data pointer
Return Value:
None
Note:
========================================================================
*/
void RTMPFreeTxRxRingMemory(
IN PRTMP_ADAPTER pAd)
{
unsigned int i, acidx;
PTX_CONTEXT pNullContext = &pAd->NullContext;
PTX_CONTEXT pPsPollContext = &pAd->PsPollContext;
PCMD_RSP_CONTEXT pCmdRspEventContext = &pAd->CmdRspEventContext;
DBGPRINT(RT_DEBUG_ERROR, ("---> RTMPFreeTxRxRingMemory\n"));
/* Free all resources for the RECEIVE buffer queue.*/
for(i=0; i<(RX_RING_SIZE); i++)
{
PRX_CONTEXT pRxContext = &(pAd->RxContext[i]);
if (pRxContext)
RTMPFreeUsbBulkBufStruct(pAd,
&pRxContext->pUrb,
(unsigned char* *)&pRxContext->TransferBuffer,
MAX_RXBULK_SIZE,
pRxContext->data_dma);
}
/* Command Response */
RTMPFreeUsbBulkBufStruct(pAd,
&pCmdRspEventContext->pUrb,
(unsigned char* *)&pCmdRspEventContext->CmdRspBuffer,
CMD_RSP_BULK_SIZE,
pCmdRspEventContext->data_dma);
/* Free PsPoll frame resource*/
RTMPFreeUsbBulkBufStruct(pAd,
&pPsPollContext->pUrb,
(unsigned char* *)&pPsPollContext->TransferBuffer,
sizeof(TX_BUFFER),
pPsPollContext->data_dma);
/* Free NULL frame resource*/
RTMPFreeUsbBulkBufStruct(pAd,
&pNullContext->pUrb,
(unsigned char* *)&pNullContext->TransferBuffer,
sizeof(TX_BUFFER),
pNullContext->data_dma);
/* Free mgmt frame resource*/
for(i = 0; i < MGMT_RING_SIZE; i++)
{
PTX_CONTEXT pMLMEContext = (PTX_CONTEXT)pAd->MgmtRing.Cell[i].AllocVa;
if (pMLMEContext)
{
if (NULL != pMLMEContext->pUrb)
{
RTUSB_UNLINK_URB(pMLMEContext->pUrb);
RTUSB_FREE_URB(pMLMEContext->pUrb);
pMLMEContext->pUrb = NULL;
}
}
if (NULL != pAd->MgmtRing.Cell[i].pNdisPacket)
{
RELEASE_NDIS_PACKET(pAd, pAd->MgmtRing.Cell[i].pNdisPacket, NDIS_STATUS_FAILURE);
pAd->MgmtRing.Cell[i].pNdisPacket = NULL;
if (pMLMEContext)
pMLMEContext->TransferBuffer = NULL;
}
}
if (pAd->MgmtDescRing.AllocVa)
os_free_mem(pAd, pAd->MgmtDescRing.AllocVa);
/* Free Tx frame resource*/
for (acidx = 0; acidx < 4; acidx++)
{
PHT_TX_CONTEXT pHTTXContext = &(pAd->TxContext[acidx]);
if (pHTTXContext)
RTMPFreeUsbBulkBufStruct(pAd,
&pHTTXContext->pUrb,
(unsigned char* *)&pHTTXContext->TransferBuffer,
sizeof(HTTX_BUFFER),
pHTTXContext->data_dma);
}
if (pAd->FragFrame.pFragPacket)
RELEASE_NDIS_PACKET(pAd, pAd->FragFrame.pFragPacket, NDIS_STATUS_SUCCESS);
DBGPRINT(RT_DEBUG_ERROR, ("<--- RTMPFreeTxRxRingMemory\n"));
}
/*
========================================================================
Routine Description:
Initialize receive data structures.
Arguments:
pAd Pointer to our adapter
Return Value:
NDIS_STATUS_SUCCESS
NDIS_STATUS_RESOURCES
Note:
Initialize all receive releated private buffer, include those define
in RTMP_ADAPTER structure and all private data structures. The major
work is to allocate buffer for each packet and chain buffer to
NDIS packet descriptor.
========================================================================
*/
NDIS_STATUS NICInitRecv(
IN PRTMP_ADAPTER pAd)
{
unsigned char i;
PCMD_RSP_CONTEXT pCmdRspEventContext = &pAd->CmdRspEventContext;
DBGPRINT(RT_DEBUG_TRACE, ("--> NICInitRecv\n"));
pAd->PendingRx = 0;
pAd->NextRxBulkInReadIndex = 0; /* Next Rx Read index*/
pAd->NextRxBulkInIndex = 0 ; /*RX_RING_SIZE -1; Rx Bulk pointer*/
pAd->NextRxBulkInPosition = 0;
for (i = 0; i < (RX_RING_SIZE); i++)
{
PRX_CONTEXT pRxContext = &(pAd->RxContext[i]);
ASSERT((pRxContext->TransferBuffer != NULL));
ASSERT((pRxContext->pUrb != NULL));
NdisZeroMemory(pRxContext->TransferBuffer, MAX_RXBULK_SIZE);
pRxContext->pAd = pAd;
pRxContext->pIrp = NULL;
pRxContext->InUse = FALSE;
pRxContext->IRPPending = FALSE;
pRxContext->Readable = FALSE;
pRxContext->bRxHandling = FALSE;
pRxContext->BulkInOffset = 0;
}
pCmdRspEventContext->pAd = pAd;
pCmdRspEventContext->InUse = FALSE;
pCmdRspEventContext->Readable = FALSE;
NdisZeroMemory(pCmdRspEventContext->CmdRspBuffer, CMD_RSP_BULK_SIZE);
DBGPRINT(RT_DEBUG_TRACE, ("<-- NICInitRecv()\n"));
return NDIS_STATUS_SUCCESS;
}
/*
========================================================================
Routine Description:
Initialize transmit data structures.
Arguments:
pAd Pointer to our adapter
Return Value:
NDIS_STATUS_SUCCESS
NDIS_STATUS_RESOURCES
Note:
========================================================================
*/
NDIS_STATUS NICInitTransmit(
IN PRTMP_ADAPTER pAd)
{
unsigned char i, acidx;
NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
PTX_CONTEXT pNullContext = &(pAd->NullContext);
PTX_CONTEXT pPsPollContext = &(pAd->PsPollContext);
PTX_CONTEXT pMLMEContext = NULL;
void* RingBaseVa;
RTMP_MGMT_RING *pMgmtRing;
void * pTransferBuffer;
PURB pUrb;
ra_dma_addr_t data_dma;
DBGPRINT(RT_DEBUG_TRACE, ("--> NICInitTransmit\n"));
/* Init 4 set of Tx parameters*/
for(acidx = 0; acidx < NUM_OF_TX_RING; acidx++)
{
/* Initialize all Transmit releated queues*/
InitializeQueueHeader(&pAd->TxSwQueue[acidx]);
/* Next Local tx ring pointer waiting for buck out*/
pAd->NextBulkOutIndex[acidx] = acidx;
pAd->BulkOutPending[acidx] = FALSE; /* Buck Out control flag */
}
do
{
/* TX_RING_SIZE, 4 ACs*/
for(acidx=0; acidx<4; acidx++)
{
PHT_TX_CONTEXT pHTTXContext = &(pAd->TxContext[acidx]);
pTransferBuffer = pHTTXContext->TransferBuffer;
pUrb = pHTTXContext->pUrb;
data_dma = pHTTXContext->data_dma;
ASSERT( (pTransferBuffer != NULL));
ASSERT( (pUrb != NULL));
NdisZeroMemory(pHTTXContext, sizeof(HT_TX_CONTEXT));
pHTTXContext->TransferBuffer = pTransferBuffer;
pHTTXContext->pUrb = pUrb;
pHTTXContext->data_dma = data_dma;
NdisZeroMemory(pHTTXContext->TransferBuffer->Aggregation, 4);
pHTTXContext->pAd = pAd;
pHTTXContext->BulkOutPipeId = acidx;
pHTTXContext->bRingEmpty = TRUE;
pHTTXContext->bCopySavePad = FALSE;
pAd->BulkOutPending[acidx] = FALSE;
}
/* MGMT_RING_SIZE*/
NdisZeroMemory(pAd->MgmtDescRing.AllocVa, pAd->MgmtDescRing.AllocSize);
RingBaseVa = pAd->MgmtDescRing.AllocVa;
/* Initialize MGMT Ring and associated buffer memory*/
pMgmtRing = &pAd->MgmtRing;
for (i = 0; i < MGMT_RING_SIZE; i++)
{
/* link the pre-allocated Mgmt buffer to MgmtRing.Cell*/
pMgmtRing->Cell[i].AllocSize = sizeof(TX_CONTEXT);
pMgmtRing->Cell[i].AllocVa = RingBaseVa;
pMgmtRing->Cell[i].pNdisPacket = NULL;
pMgmtRing->Cell[i].pNextNdisPacket = NULL;
/*Allocate URB for MLMEContext*/
pMLMEContext = (PTX_CONTEXT) pAd->MgmtRing.Cell[i].AllocVa;
pMLMEContext->pUrb = RTUSB_ALLOC_URB(0);
if (pMLMEContext->pUrb == NULL)
{
DBGPRINT(RT_DEBUG_ERROR, ("<-- ERROR in Alloc TX MLMEContext[%d] urb!! \n", i));
Status = NDIS_STATUS_RESOURCES;
goto err;
}
pMLMEContext->pAd = pAd;
pMLMEContext->SelfIdx = i;
/* Offset to next ring descriptor address*/
RingBaseVa = (unsigned char*) RingBaseVa + sizeof(TX_CONTEXT);
}
DBGPRINT(RT_DEBUG_TRACE, ("MGMT Ring: total %d entry allocated\n", i));
/*pAd->MgmtRing.TxSwFreeIdx = (MGMT_RING_SIZE - 1);*/
pAd->MgmtRing.TxSwFreeIdx = MGMT_RING_SIZE;
pAd->MgmtRing.TxCpuIdx = 0;
pAd->MgmtRing.TxDmaIdx = 0;
/* NullContext*/
pTransferBuffer = pNullContext->TransferBuffer;
pUrb = pNullContext->pUrb;
data_dma = pNullContext->data_dma;
NdisZeroMemory(pNullContext, sizeof(TX_CONTEXT));
pNullContext->TransferBuffer = pTransferBuffer;
pNullContext->pUrb = pUrb;
pNullContext->data_dma = data_dma;
pNullContext->pAd = pAd;
/* PsPollContext*/
pTransferBuffer = pPsPollContext->TransferBuffer;
pUrb = pPsPollContext->pUrb;
data_dma = pPsPollContext->data_dma;
NdisZeroMemory(pPsPollContext, sizeof(TX_CONTEXT));
pPsPollContext->TransferBuffer = pTransferBuffer;
pPsPollContext->pUrb = pUrb;
pPsPollContext->data_dma = data_dma;
pPsPollContext->pAd = pAd;
pPsPollContext->LastOne = TRUE;
} while (FALSE);
DBGPRINT(RT_DEBUG_TRACE, ("<-- NICInitTransmit(Status=%d)\n", Status));
return Status;
/* --------------------------- ERROR HANDLE --------------------------- */
err:
if (pAd->MgmtDescRing.AllocVa)
{
pMgmtRing = &pAd->MgmtRing;
for(i = 0; i < MGMT_RING_SIZE; i++)
{
pMLMEContext = (PTX_CONTEXT) pAd->MgmtRing.Cell[i].AllocVa;
if (pMLMEContext)
RTMPFreeUsbBulkBufStruct(pAd,
&pMLMEContext->pUrb,
(unsigned char* *)&pMLMEContext->TransferBuffer,
sizeof(TX_BUFFER),
pMLMEContext->data_dma);
}
os_free_mem(pAd, pAd->MgmtDescRing.AllocVa);
pAd->MgmtDescRing.AllocVa = NULL;
}
/* Here we didn't have any pre-allocated memory need to free.*/
return Status;
}
/*
========================================================================
Routine Description:
Allocate DMA memory blocks for send, receive.
Arguments:
pAd Pointer to our adapter
Return Value:
NDIS_STATUS_SUCCESS
NDIS_STATUS_FAILURE
NDIS_STATUS_RESOURCES
Note:
========================================================================
*/
NDIS_STATUS RTMPAllocTxRxRingMemory(
IN PRTMP_ADAPTER pAd)
{
NDIS_STATUS Status = NDIS_STATUS_FAILURE;
PTX_CONTEXT pNullContext = &(pAd->NullContext);
PTX_CONTEXT pPsPollContext = &(pAd->PsPollContext);
PCMD_RSP_CONTEXT pCmdRspEventContext = &(pAd->CmdRspEventContext);
int i, acidx;
DBGPRINT(RT_DEBUG_TRACE, ("--> RTMPAllocTxRxRingMemory\n"));
do
{
/* Init send data structures and related parameters*/
/* TX_RING_SIZE, 4 ACs*/
for(acidx=0; acidx<4; acidx++)
{
PHT_TX_CONTEXT pHTTXContext = &(pAd->TxContext[acidx]);
NdisZeroMemory(pHTTXContext, sizeof(HT_TX_CONTEXT));
/*Allocate URB and bulk buffer*/
Status = RTMPAllocUsbBulkBufStruct(pAd,
&pHTTXContext->pUrb,
(void * *)&pHTTXContext->TransferBuffer,
sizeof(HTTX_BUFFER),
&pHTTXContext->data_dma,
"HTTxContext");
if (Status != NDIS_STATUS_SUCCESS)
goto err;
}
/* MGMT_RING_SIZE*/
/* Allocate MGMT ring descriptor's memory*/
pAd->MgmtDescRing.AllocSize = MGMT_RING_SIZE * sizeof(TX_CONTEXT);
os_alloc_mem(pAd, (unsigned char* *)(&pAd->MgmtDescRing.AllocVa), pAd->MgmtDescRing.AllocSize);
if (pAd->MgmtDescRing.AllocVa == NULL)
{
DBGPRINT_ERR(("Failed to allocate a big buffer for MgmtDescRing!\n"));
Status = NDIS_STATUS_RESOURCES;
goto err;
}
/* NullContext*/
NdisZeroMemory(pNullContext, sizeof(TX_CONTEXT));
/*Allocate URB*/
Status = RTMPAllocUsbBulkBufStruct(pAd,
&pNullContext->pUrb,
(void * *)&pNullContext->TransferBuffer,
sizeof(TX_BUFFER),
&pNullContext->data_dma,
"TxNullContext");
if (Status != NDIS_STATUS_SUCCESS)
goto err;
/* PsPollContext*/
NdisZeroMemory(pPsPollContext, sizeof(TX_CONTEXT));
/*Allocate URB*/
Status = RTMPAllocUsbBulkBufStruct(pAd,
&pPsPollContext->pUrb,
(void * *)&pPsPollContext->TransferBuffer,
sizeof(TX_BUFFER),
&pPsPollContext->data_dma,
"TxPsPollContext");
if (Status != NDIS_STATUS_SUCCESS)
goto err;
/* Init receive data structures and related parameters*/
for (i = 0; i < (RX_RING_SIZE); i++)
{
PRX_CONTEXT pRxContext = &(pAd->RxContext[i]);
/*Allocate URB*/
Status = RTMPAllocUsbBulkBufStruct(pAd,
&pRxContext->pUrb,
(void * *)&pRxContext->TransferBuffer,
MAX_RXBULK_SIZE,
&pRxContext->data_dma,
"RxContext");
if (Status != NDIS_STATUS_SUCCESS)
goto err;
}
/* Init command response event related parameters */
Status = RTMPAllocUsbBulkBufStruct(pAd,
&pCmdRspEventContext->pUrb,
(void * *)&pCmdRspEventContext->CmdRspBuffer,
CMD_RSP_BULK_SIZE,
&pCmdRspEventContext->data_dma,
"CmdRspEventContext");
if (Status != NDIS_STATUS_SUCCESS)
goto err;
NdisZeroMemory(&pAd->FragFrame, sizeof(FRAGMENT_FRAME));
pAd->FragFrame.pFragPacket = RTMP_AllocateFragPacketBuffer(pAd, RX_BUFFER_NORMSIZE);
if (pAd->FragFrame.pFragPacket == NULL)
{
Status = NDIS_STATUS_RESOURCES;
}
} while (FALSE);
DBGPRINT_S(Status, ("<-- RTMPAllocTxRxRingMemory, Status=%x\n", Status));
return Status;
err:
Status = NDIS_STATUS_RESOURCES;
RTMPFreeTxRxRingMemory(pAd);
return Status;
}
NDIS_STATUS RTMPInitTxRxRingMemory
(IN RTMP_ADAPTER *pAd)
{
int num;
NDIS_STATUS Status;
/* Init the CmdQ and CmdQLock*/
NdisAllocateSpinLock(pAd, &pAd->CmdQLock);
NdisAcquireSpinLock(&pAd->CmdQLock);
RTInitializeCmdQ(&pAd->CmdQ);
NdisReleaseSpinLock(&pAd->CmdQLock);
NdisAllocateSpinLock(pAd, &pAd->MLMEBulkOutLock);
NdisAllocateSpinLock(pAd, &pAd->BulkInLock);
NdisAllocateSpinLock(pAd, &pAd->CmdRspLock);
for(num =0 ; num < 6; num++)
{
NdisAllocateSpinLock(pAd, &pAd->BulkOutLock[num]);
}
for (num = 0; num < NUM_OF_TX_RING; num++)
{
NdisAllocateSpinLock(pAd, &pAd->TxContextQueueLock[num]);
}
#ifdef RALINK_ATE
NdisAllocateSpinLock(pAd, &pAd->GenericLock);
#endif /* RALINK_ATE */
NICInitRecv(pAd);
Status = NICInitTransmit(pAd);
return Status;
}
#else
/*
========================================================================
Routine Description:
Initialize receive data structures.
Arguments:
pAd Pointer to our adapter
Return Value:
NDIS_STATUS_SUCCESS
NDIS_STATUS_RESOURCES
Note:
Initialize all receive releated private buffer, include those define
in RTMP_ADAPTER structure and all private data structures. The mahor
work is to allocate buffer for each packet and chain buffer to
NDIS packet descriptor.
========================================================================
*/
NDIS_STATUS NICInitRecv(
IN PRTMP_ADAPTER pAd)
{
unsigned char i;
NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
POS_COOKIE pObj = (POS_COOKIE) pAd->OS_Cookie;
PCMD_RSP_CONTEXT pCmdRspEventContext = &pAd->CmdRspEventContext;
DBGPRINT(RT_DEBUG_TRACE, ("--> NICInitRecv\n"));
pObj = pObj;
/*InterlockedExchange(&pAd->PendingRx, 0);*/
pAd->PendingRx = 0;
pAd->NextRxBulkInReadIndex = 0; /* Next Rx Read index*/
pAd->NextRxBulkInIndex = 0 ; /*RX_RING_SIZE -1; Rx Bulk pointer*/
pAd->NextRxBulkInPosition = 0;
for (i = 0; i < (RX_RING_SIZE); i++)
{
PRX_CONTEXT pRxContext = &(pAd->RxContext[i]);
/*Allocate URB*/
pRxContext->pUrb = RTUSB_ALLOC_URB(0);
if (pRxContext->pUrb == NULL)
{
Status = NDIS_STATUS_RESOURCES;
goto out1;
}
/* Allocate transfer buffer*/
pRxContext->TransferBuffer = RTUSB_URB_ALLOC_BUFFER(pObj->pUsb_Dev, MAX_RXBULK_SIZE, &pRxContext->data_dma);
if (pRxContext->TransferBuffer == NULL)
{
Status = NDIS_STATUS_RESOURCES;
goto out1;
}
NdisZeroMemory(pRxContext->TransferBuffer, MAX_RXBULK_SIZE);
pRxContext->pAd = pAd;
pRxContext->pIrp = NULL;
pRxContext->InUse = FALSE;
pRxContext->IRPPending = FALSE;
pRxContext->Readable = FALSE;
/*pRxContext->ReorderInUse = FALSE;*/
pRxContext->bRxHandling = FALSE;
pRxContext->BulkInOffset = 0;
}
pCmdRspEventContext->pAd = pAd;
pCmdRspEventContext->InUse = FALSE;
pCmdRspEventContext->Readable = FALSE;
NdisZeroMemory(pCmdRspEventContext->TransferBuffer, CMD_RSP_BULK_SIZE);
DBGPRINT(RT_DEBUG_TRACE, ("<-- NICInitRecv(Status=%d)\n", Status));
return Status;
out1:
for (i = 0; i < (RX_RING_SIZE); i++)
{
PRX_CONTEXT pRxContext = &(pAd->RxContext[i]);
if (NULL != pRxContext->TransferBuffer)
{
RTUSB_URB_FREE_BUFFER(pObj->pUsb_Dev, MAX_RXBULK_SIZE,
pRxContext->TransferBuffer, pRxContext->data_dma);
pRxContext->TransferBuffer = NULL;
}
if (NULL != pRxContext->pUrb)
{
RTUSB_UNLINK_URB(pRxContext->pUrb);
RTUSB_FREE_URB(pRxContext->pUrb);
pRxContext->pUrb = NULL;
}
}
return Status;
}
/*
========================================================================
Routine Description:
Initialize transmit data structures.
Arguments:
pAd Pointer to our adapter
Return Value:
NDIS_STATUS_SUCCESS
NDIS_STATUS_RESOURCES
Note:
========================================================================
*/
NDIS_STATUS NICInitTransmit(
IN PRTMP_ADAPTER pAd)
{
unsigned char i, acidx;
NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
PTX_CONTEXT pNullContext = &(pAd->NullContext);
PTX_CONTEXT pPsPollContext = &(pAd->PsPollContext);
PTX_CONTEXT pMLMEContext = NULL;
POS_COOKIE pObj = (POS_COOKIE) pAd->OS_Cookie;
void* RingBaseVa;
RTMP_MGMT_RING *pMgmtRing;
DBGPRINT(RT_DEBUG_TRACE, ("--> NICInitTransmit\n"));
pObj = pObj;
/* Init 4 set of Tx parameters*/
for(acidx = 0; acidx < NUM_OF_TX_RING; acidx++)
{
/* Initialize all Transmit releated queues*/
InitializeQueueHeader(&pAd->TxSwQueue[acidx]);
/* Next Local tx ring pointer waiting for buck out*/
pAd->NextBulkOutIndex[acidx] = acidx;
pAd->BulkOutPending[acidx] = FALSE; /* Buck Out control flag */
}
do
{
/* TX_RING_SIZE, 4 ACs*/
for(acidx=0; acidx<4; acidx++)
{
PHT_TX_CONTEXT pHTTXContext = &(pAd->TxContext[acidx]);
NdisZeroMemory(pHTTXContext, sizeof(HT_TX_CONTEXT));
/*Allocate URB*/
Status = RTMPAllocUsbBulkBufStruct(pAd,
&pHTTXContext->pUrb,
(void * *)&pHTTXContext->TransferBuffer,
sizeof(HTTX_BUFFER),
&pHTTXContext->data_dma,
"HTTxContext");
if (Status != NDIS_STATUS_SUCCESS)
goto err;
NdisZeroMemory(pHTTXContext->TransferBuffer->Aggregation, 4);
pHTTXContext->pAd = pAd;
pHTTXContext->pIrp = NULL;
pHTTXContext->IRPPending = FALSE;
pHTTXContext->NextBulkOutPosition = 0;
pHTTXContext->ENextBulkOutPosition = 0;
pHTTXContext->CurWritePosition = 0;
pHTTXContext->CurWriteRealPos = 0;
pHTTXContext->BulkOutSize = 0;
pHTTXContext->BulkOutPipeId = acidx;
pHTTXContext->bRingEmpty = TRUE;
pHTTXContext->bCopySavePad = FALSE;
pAd->BulkOutPending[acidx] = FALSE;
}
/* MGMT Ring*/
/* Allocate MGMT ring descriptor's memory*/
pAd->MgmtDescRing.AllocSize = MGMT_RING_SIZE * sizeof(TX_CONTEXT);
os_alloc_mem(pAd, (unsigned char* *)(&pAd->MgmtDescRing.AllocVa), pAd->MgmtDescRing.AllocSize);
if (pAd->MgmtDescRing.AllocVa == NULL)
{
DBGPRINT_ERR(("Failed to allocate a big buffer for MgmtDescRing!\n"));
Status = NDIS_STATUS_RESOURCES;
goto err;
}
NdisZeroMemory(pAd->MgmtDescRing.AllocVa, pAd->MgmtDescRing.AllocSize);
RingBaseVa = pAd->MgmtDescRing.AllocVa;
/* Initialize MGMT Ring and associated buffer memory*/
pMgmtRing = &pAd->MgmtRing;
for (i = 0; i < MGMT_RING_SIZE; i++)
{
/* link the pre-allocated Mgmt buffer to MgmtRing.Cell*/
pMgmtRing->Cell[i].AllocSize = sizeof(TX_CONTEXT);
pMgmtRing->Cell[i].AllocVa = RingBaseVa;
pMgmtRing->Cell[i].pNdisPacket = NULL;
pMgmtRing->Cell[i].pNextNdisPacket = NULL;
/*Allocate URB for MLMEContext*/
pMLMEContext = (PTX_CONTEXT) pAd->MgmtRing.Cell[i].AllocVa;
pMLMEContext->pUrb = RTUSB_ALLOC_URB(0);
if (pMLMEContext->pUrb == NULL)
{
DBGPRINT(RT_DEBUG_ERROR, ("<-- ERROR in Alloc TX MLMEContext[%d] urb!! \n", i));
Status = NDIS_STATUS_RESOURCES;
goto err;
}
pMLMEContext->pAd = pAd;
pMLMEContext->pIrp = NULL;
pMLMEContext->TransferBuffer = NULL;
pMLMEContext->InUse = FALSE;
pMLMEContext->IRPPending = FALSE;
pMLMEContext->bWaitingBulkOut = FALSE;
pMLMEContext->BulkOutSize = 0;
pMLMEContext->SelfIdx = i;
/* Offset to next ring descriptor address*/
RingBaseVa = (unsigned char*) RingBaseVa + sizeof(TX_CONTEXT);
}
DBGPRINT(RT_DEBUG_TRACE, ("MGMT Ring: total %d entry allocated\n", i));
/*pAd->MgmtRing.TxSwFreeIdx = (MGMT_RING_SIZE - 1);*/
pAd->MgmtRing.TxSwFreeIdx = MGMT_RING_SIZE;
pAd->MgmtRing.TxCpuIdx = 0;
pAd->MgmtRing.TxDmaIdx = 0;
/* NullContext URB and usb buffer*/
NdisZeroMemory(pNullContext, sizeof(TX_CONTEXT));
Status = RTMPAllocUsbBulkBufStruct(pAd,
&pNullContext->pUrb,
(void * *)&pNullContext->TransferBuffer,
sizeof(TX_BUFFER),
&pNullContext->data_dma,
"TxNullContext");
if (Status != NDIS_STATUS_SUCCESS)
goto err;
pNullContext->pAd = pAd;
pNullContext->pIrp = NULL;
pNullContext->InUse = FALSE;
pNullContext->IRPPending = FALSE;
/* PsPollContext URB and usb buffer*/
Status = RTMPAllocUsbBulkBufStruct(pAd,
&pPsPollContext->pUrb,
(void * *)&pPsPollContext->TransferBuffer,
sizeof(TX_BUFFER),
&pPsPollContext->data_dma,
"TxPsPollContext");
if (Status != NDIS_STATUS_SUCCESS)
goto err;
pPsPollContext->pAd = pAd;
pPsPollContext->pIrp = NULL;
pPsPollContext->InUse = FALSE;
pPsPollContext->IRPPending = FALSE;
pPsPollContext->bAggregatible = FALSE;
pPsPollContext->LastOne = TRUE;