📄 rtfast.c
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case 0:
d = Adapter->RegXmitStatus & 0x1000;
break;
case 1:
d = Adapter->RegXmitStatus & 0x2000;
break;
case 2:
d = Adapter->RegXmitStatus & 0x4000;
break;
case 3:
d = Adapter->RegXmitStatus & 0x8000;
break;
}
if( d == 0 )
break;
NdisMSendComplete(Adapter->MiniportHandle, Adapter->Packets[Adapter->HwFinishTxPacket], NDIS_STATUS_SUCCESS);
Adapter->CurTxDesc++;
Adapter->HwUnFinTxPackets++;
Adapter->HwFinishTxPacket = (Adapter->HwFinishTxPacket + 1) & 0x0F;
if( NDIS_STATUS_MEDIA_CONNECT == Adapter->connectStatus)
Adapter->FramesXmitGood += 1;
};
RTFast_DoNextSend(Adapter);
#if DBG
DbgPrint("<===RTFast_TxDpc\n");
#endif
}
NDIS_STATUS RTFast_IndicatePacket (
IN PRTFAST_ADAPTER Adapter
)
{
UINT length, IndicateLen;
#if DBG
DbgPrint("===>RTFast_IndicatePacket\n");
#endif
if(Adapter->PacketxLen <= 0x5EE)
{
if(Adapter->RxPktDMAStart + Adapter->PacketxLen > Adapter->RxPktDMAStop)
{
length = Adapter->RxPktDMAStart - Adapter->RxPktDMAStop + Adapter->PacketxLen;
if(length > 0)
NdisMoveMemory(Adapter->RxPktDMAStop, Adapter->RxDMABufStart, length);
}
if(PatternCheck(Adapter))
{
IndicateLen = Adapter->MaxLookAhead + NIC_HEADER_SIZE;
if((Adapter->PacketxLen - 4) <= (Adapter->MaxLookAhead + NIC_HEADER_SIZE))
IndicateLen = Adapter->PacketxLen - 4;
IndicateLen -= NIC_HEADER_SIZE;
NdisMEthIndicateReceive(
Adapter->MiniportHandle,
Adapter,
(PUCHAR)Adapter->RxPktDMAStart,
NIC_HEADER_SIZE,
Adapter->RxPktDMAStart + NIC_HEADER_SIZE,
IndicateLen,
Adapter->PacketxLen - 0x12);
Adapter->bRxIntEnabled = 1;
}
}
Adapter->CurChipReadPtr = (Adapter->CurChipReadPtr + Adapter->PacketxLen + 7) & ~3;
WritePortUSHORT(CAPR, Adapter->CurChipReadPtr);
Adapter->RxPktDMAStart = Adapter->RxPktDMAStart + Adapter->PacketxLen + 3;
Adapter->RxPktDMAStart = (PUCHAR)(((UINT)Adapter->RxPktDMAStart) & ~3);
if(&Adapter->RxPktDMAStart >= &Adapter->RxPktDMAStop)
{
Adapter->RxPktDMAStart = Adapter->RxDMABufStart + (Adapter->RxPktDMAStart - Adapter->RxPktDMAStop);
}
Adapter->RxReadPtr = (PUCHAR)&Adapter->RxPktDMAStart;
#if DBG
DbgPrint("<===RTFast_IndicatePacket\n");
#endif
return NDIS_STATUS_SUCCESS;
}
BOOLEAN SyncCardSetReceiveConfig (
IN PRTFAST_ADAPTER Adapter
)
{
WritePortULONG(RCR, Adapter->RxConfig);
#if DBG
DbgPrint("<===>SyncCardSetReceiveConfig\n");
#endif
return(FALSE);
}
BOOLEAN SyncCardSetAllMulticast (
IN PRTFAST_ADAPTER Adapter
)
{
WritePortULONG(MAR0, -1);
WritePortULONG(MAR4, -1);
return(FALSE);
}
BOOLEAN SyncCardCopyMulticastRegs (
IN PRTFAST_ADAPTER Adapter
)
{
ULONG x;
x = Adapter->MulticastRegs[0];
x += Adapter->MulticastRegs[1]<<8;
x += Adapter->MulticastRegs[2]<<16;
x += Adapter->MulticastRegs[3]<<24;
WritePortULONG(MAR0, x);
x += Adapter->MulticastRegs[4];
x += Adapter->MulticastRegs[5]<<8;
x += Adapter->MulticastRegs[6]<<16;
x += Adapter->MulticastRegs[7]<<24;
WritePortULONG(MAR4, x);
return(FALSE);
}
//???
ULONG CardComputeCrc (
IN PUCHAR Buffer,
IN UINT Length
)
{
ULONG Crc, Carry;
UINT i, j;
UCHAR CurByte;
Crc = 0xFFFFFFFF;
for (i = 0; i < Length; i++)
{
CurByte = Buffer[i];
for (j = 0; j < 8; j++)
{
Carry = ((Crc & 0x80000000) ? 1 : 0) ^ (CurByte & 0x01);
Crc <<= 1;
CurByte >>= 1;
if (Carry)
Crc = (Crc ^ 0x04c11db6) | Carry;
}
}
return (Crc & 0xFF000000);
}
//???
VOID CardGetMulticastBit (
IN PUCHAR Address,
OUT UCHAR * byte,
OUT UCHAR * bit
)
{
ULONG Crc;
UINT BitNumber;
Crc = CardComputeCrc(Address, MAC_LENGTH);
BitNumber = (UINT)((Crc >> 0x1A) & 0x3F);
*byte = (UCHAR)(BitNumber / 8);
*bit = (UCHAR)((UCHAR)1 << (BitNumber & 7));
}
VOID CardFillMulticastRegs (
IN PRTFAST_ADAPTER Adapter
)
{
LONG i;
ULONG j;
UCHAR xbyte, xbit;
j = Adapter->eMacOptions;
if(j <= 0)
return;
i = 6*j ;
while( i >= 0)
{
i -= 6;
CardGetMulticastBit(&Adapter->MCList[i], &xbyte, &xbit);
Adapter->MulticastRegs[xbyte] |= xbit;
};
#if DBG
DbgPrint("<===>CardFillMulticastRegs\n");
#endif
return;
}
NDIS_STATUS DispatchSetMulticastAddressList (
IN PRTFAST_ADAPTER Adapter
)
{
CardFillMulticastRegs(Adapter);
NdisMSynchronizeWithInterrupt(
(PNDIS_MINIPORT_INTERRUPT)&Adapter->Interrupt,
(PVOID)SyncCardCopyMulticastRegs,
Adapter);
#if DBG
DbgPrint("<===>DispatchSetMulticastAddressList\n");
#endif
return NDIS_STATUS_SUCCESS;
}
NDIS_STATUS DispatchSetPacketFilter (
IN PRTFAST_ADAPTER Adapter
)
{
if(Adapter->PacketFilter & (NDIS_PACKET_TYPE_PROMISCUOUS | NDIS_PACKET_TYPE_ALL_MULTICAST))
NdisMSynchronizeWithInterrupt((PNDIS_MINIPORT_INTERRUPT)&Adapter->Interrupt, &SyncCardSetAllMulticast, Adapter);
else
DispatchSetMulticastAddressList(Adapter);
if( Adapter->PacketFilter & (NDIS_PACKET_TYPE_PROMISCUOUS |
NDIS_PACKET_TYPE_MULTICAST | NDIS_PACKET_TYPE_ALL_MULTICAST) )
Adapter->RxConfig |= 4;
else
Adapter->RxConfig &= ~4;
if( Adapter->PacketFilter & NDIS_PACKET_TYPE_PROMISCUOUS )
Adapter->RxConfig |= 0x11;
else
Adapter->RxConfig &= ~0x11;
if( Adapter->PacketFilter & (NDIS_PACKET_TYPE_PROMISCUOUS | NDIS_PACKET_TYPE_BROADCAST) )
Adapter->RxConfig |= 8;
else
Adapter->RxConfig &= ~8;
if( Adapter->PacketFilter & (NDIS_PACKET_TYPE_PROMISCUOUS | NDIS_PACKET_TYPE_DIRECTED) )
Adapter->RxConfig |= 2;
else
Adapter->RxConfig &= ~2;
NdisMSynchronizeWithInterrupt((PNDIS_MINIPORT_INTERRUPT)&Adapter->Interrupt,
&SyncCardSetReceiveConfig, Adapter);
#if DBG
DbgPrint("<===>DispatchSetPacketFilter\n");
#endif
return NDIS_STATUS_SUCCESS;
}
NDIS_STATUS SetupPCIConfiguration (
IN PRTFAST_ADAPTER Adapter
)
{
ULONG length;
UCHAR buffer = 0x00;
//PPCI_COMMON_CONFIG pPciConfig = (PPCI_COMMON_CONFIG)buffer;
#if DBG
DbgPrint("===>SetupPCIConfiguration\n");
#endif
length = NdisReadPciSlotInformation(Adapter->MiniportHandle, Adapter->slotnum,
FIELD_OFFSET(PCI_COMMON_CONFIG, Command), (PVOID)&buffer, 1);
if(length == 0)
{
#if DBG
DbgPrint("<===SetupPCIConfiguration 0 %08x\n",length);
#endif
return NDIS_STATUS_FAILURE;
}
Adapter->Sloth = (UCHAR)(buffer & 4);
buffer = ((buffer & ~2) | 5);
length = NdisWritePciSlotInformation(Adapter->MiniportHandle, Adapter->slotnum,
FIELD_OFFSET(PCI_COMMON_CONFIG, Command), (PVOID)&buffer, 1);
if(length == 0)
{
#if DBG
DbgPrint("<===SetupPCIConfiguration 1 %08x\n", length);
#endif
return NDIS_STATUS_FAILURE;
}
length = NdisReadPciSlotInformation(Adapter->MiniportHandle, Adapter->slotnum,
0x50, (PVOID)&buffer, 1);
if(length == 0)
{
#if DBG
DbgPrint("<===SetupPCIConfiguration 2 %08x\n", length);
#endif
return NDIS_STATUS_FAILURE;
}
if(buffer == 1)
{
buffer = 0;
length = NdisWritePciSlotInformation(Adapter->MiniportHandle, Adapter->slotnum,
0x54, (PVOID)&buffer, 1);
if(length == 0)
{
#if DBG
DbgPrint("<===SetupPCIConfiguration 3 %08x\n", length);
#endif
return NDIS_STATUS_FAILURE;
}
length = NdisReadPciSlotInformation(Adapter->MiniportHandle, Adapter->slotnum,
0x55, (PVOID)&buffer, 1);
if(length == 0)
{
#if DBG
DbgPrint("<===SetupPCIConfiguration 4 %08x\n", length);
#endif
return NDIS_STATUS_FAILURE;
}
buffer |= 0x80;
length = NdisWritePciSlotInformation(Adapter->MiniportHandle, Adapter->slotnum,
0x55, (PVOID)&buffer, 1);
if(length == 0)
{
#if DBG
DbgPrint("<===SetupPCIConfiguration 5 %08x\n", length);
#endif
return NDIS_STATUS_FAILURE;
}
}
length = NdisReadPciSlotInformation(Adapter->MiniportHandle, Adapter->slotnum,
0x55, (PVOID)&buffer, 1);
if(length == 0)
{
#if DBG
DbgPrint("<===SetupPCIConfiguration 6 %08x\n", length);
#endif
return NDIS_STATUS_FAILURE;
}
if(Adapter->bPME != 1)
buffer |= 0x81;
if(Adapter->bPME != 2)
buffer &= ~1;
length = NdisWritePciSlotInformation(Adapter->MiniportHandle, Adapter->slotnum,
0x55, (PVOID)&buffer,1);
#if DBG
DbgPrint("<===SetupPCIConfiguration\n");
#endif
return (length == 0) ? NDIS_STATUS_FAILURE : NDIS_STATUS_SUCCESS; //??? observation needed.
}
NDIS_STATUS RTFast_Send (
IN PRTFAST_ADAPTER Adapter,
IN PNDIS_PACKET Packet,
IN UINT flags
)
{
NdisDprAcquireSpinLock(&Adapter->SpinLock); // PNDIS_SPIN_LOCK SpinLock
Enque(Adapter, Packet);
NdisDprReleaseSpinLock(&Adapter->SpinLock); // PNDIS_SPIN_LOCK SpinLock
RTFast_DoNextSend(Adapter);
#if DBG
DbgPrint("<===>RTFast_Send\n");
#endif
return NDIS_STATUS_PENDING;
}
VOID RTFast_Sends (
IN PRTFAST_ADAPTER Adapter,
IN PPNDIS_PACKET PacketArray,
IN UINT NumberOfPackets
)
{
ULONG i = 0;
if(NumberOfPackets <= 0)
return;
while(i < NumberOfPackets)
{
if(Adapter->bInterruptDisabled != 0)
{
#if DBG
DbgPrint("===>RTFast_Sends NDIS_STATUS_FAILURE\n");
#endif
NDIS_SET_PACKET_STATUS(PacketArray[i], NDIS_STATUS_FAILURE);
return;
}
if(Adapter->bResetingNIC != 0 || Adapter->NumXmitInQueue > 0x20)
{
NDIS_SET_PACKET_STATUS(PacketArray[i], NDIS_STATUS_RESOURCES);
} else {
RTFast_Send(Adapter, PacketArray[i], 1);
NDIS_SET_PACKET_STATUS(PacketArray[i], NDIS_STATUS_PENDING);
}
i++;
} ;
#if DBG
DbgPrint("<===RTFast_Sends\n");
#endif
return;
}
VOID CardStop(
IN PRTFAST_ADAPTER Adapter
)
{
WritePortUCHAR(CONFIG5, ~0x10 & ReadPortUCHAR(CONFIG5) );
WritePortUCHAR(CR, 0);
#if DBG
DbgPrint("<===>CardStop\n");
#endif
}
BOOLEAN RTFast_CheckForHang (
IN PRTFAST_ADAPTER Adapter
)
{
UCHAR x;
if(Adapter->bInterruptDisabled)
{
CleanupSendedPackets(Adapter);
if(0xFFFF == (0xFFFF & ReadPortUSHORT(ISR)))
{
#if DBG
DbgPrint("<===RTFast_CheckForHang: ISR==0XFFFF\n");
#endif
return(FALSE);
}
Adapter->bInterruptDisabled = 0;
#if DBG
DbgPrint("<===RTFast_CheckForHang: bInterruptDisabled\n");
#endif
return(FALSE);
}
if(Adapter->bInReseting)
{
#if DBG
DbgPrint("<===RTFast_CheckForHang: bInReseting\n");
#endif
return(FALSE);
}
x = ReadPortUCHAR(MSR);
if(4 & x) // link changed
{
if(NDIS_STATUS_MEDIA_DISCONNECT != Adapter->connectStatus)
{
Adapter->connectStatus = NDIS_STATUS_MEDIA_DISCONNECT;
NdisMIndicateStatus(Adapter->MiniportHandle, NDIS_STATUS_MEDIA_DISCONNECT, 0, 0);
//NdisMIndicateStatusComplete(Adapter->MiniportHandle); //???
SetLDPS(Adapter, (Adapter->enableLDPS == 0)? 4 : 0);
}
RTFast_DoNextSend(Adapter);
} else {
if(NDIS_STATUS_MEDIA_CONNECT != Adapter->connectStatus)
{
Adapter->connectStatus = NDIS_STATUS_MEDIA_CONNECT;
NdisMIndicateStatus(Adapter->MiniportHandle, NDIS_STATUS_MEDIA_CONNECT, 0, 0);
//NdisMIndicateStatusComplete(Adapter->MiniportHandle); //???
}
}
if(0x20 & ReadPortUSHORT(ISR)) //PUN | LinkChg
{
Adapter->RegConnectStatus = ReadPortUSHORT(CSCR);
WritePortUSHORT(ISR, 0x20);
ProcessLinkChange(Adapter);
}
#if 0
DbgPrint("<===RTFast_CheckForHang MSR: %02x\n", x);
#endif
return(FALSE);
}
NDIS_STATUS RTFast_Reset (
OUT PBOOLEAN AddressingReset,⌨️ 快捷键说明
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