unsigned int controlInit(MINIPORT_ADAPTER *Adapter)
{
ENTER;
// Receive control packets
QueueInitList(Adapter->ctl.Q_Received.Head);
spin_lock_init(&Adapter->ctl.Q_Received.Lock);
QueueInitList(Adapter->ctl.Apps.ProcessList);
spin_lock_init(&Adapter->ctl.Apps.Lock);
Adapter->ctl.Apps.Inited = TRUE;
Adapter->SndQLimit = MINIPORT_MAX_SEND_PACKETS_DEFAULT;
Adapter->RcvQLimit = MINIPORT_MAX_RECV_PACKETS_DEFAULT;
Adapter->FullQLimit = ((Adapter->SndQLimit + Adapter->RcvQLimit) / 2) - 1;
LEAVE;
return STATUS_SUCCESS;
}
INT hwInit(MINIPORT_ADAPTER *Adapter)
{
ENTER;
static PVOID ReceiveBuffer = NULL; //cky 20100624
if(!hwGPIOInit())
{
DumpDebug(DISPATCH, "hwInit: Can't intialize GPIO");
return STATUS_UNSUCCESSFUL;
}
if (ReceiveBuffer == NULL)
{
DumpDebug(DISPATCH, "Alloc ReceiveBuffer");
ReceiveBuffer = kmalloc(SDIO_BUFFER_SIZE+8, GFP_KERNEL); //sumanth: the extra space required to copy ethernet header
if (ReceiveBuffer == NULL)
{
DumpDebug(DISPATCH, "kmalloc fail!!");
return -ENOMEM;
}
}
else
{
DumpDebug(DISPATCH, "ReceiveBuffer already allocated - skip");
}
memset(&Adapter->hw,0,sizeof(HARDWARE_INFO));
/* Adapter->hw.ReceiveBuffer= kmalloc(SDIO_BUFFER_SIZE, GFP_ATOMIC);
if(Adapter->hw.ReceiveBuffer ==NULL) {
return -ENOMEM;
}*/ //sumanth: this buffer is not logically required hence it is eliminated
#if 1 //cky 20100624
Adapter->hw.ReceiveTempBuffer = ReceiveBuffer;
#else
Adapter->hw.ReceiveTempBuffer= kmalloc(SDIO_BUFFER_SIZE+8, GFP_ATOMIC); //sumanth: the extra space required to copy ethernet header
if(Adapter->hw.ReceiveTempBuffer ==NULL) {
// if(Adapter->hw.ReceiveBuffer) //sumanth no point in freeing a NULL pointer
// kfree(Adapter->hw.ReceiveTempBuffer);
return -ENOMEM;
}
#endif
// For sending data and control packets
QueueInitList(Adapter->hw.Q_Send.Head);
spin_lock_init(&Adapter->hw.Q_Send.Lock);
INIT_WORK(&Adapter->work, hwTransmitThread);
init_waitqueue_head(&Adapter->hFWDNEndEvent);
init_completion(&Adapter->hAwakeAckEvent);
return STATUS_SUCCESS;
LEAVE;
}
