114 lines
3.6 KiB
C
114 lines
3.6 KiB
C
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/********************************************************************/
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/** Microsoft LAN Manager **/
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/** Copyright(c) Microsoft Corp., 1990-1993 **/
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/********************************************************************/
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/* :ts=4 */
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//** TLCOMMON.H - Common transport layer definitions.
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//
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// This file contains definitions for common transport layer items.
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//
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#if BACK_FILL
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// Max header size for backfilling
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#define MAX_BACKFILL_HDR_SIZE 32
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#endif
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#define PHXSUM(s,d,p,l) (uint)( (uint)*(ushort *)&(s) + \
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(uint)*(ushort *)((char *)&(s) + sizeof(ushort)) + \
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(uint)*(ushort *)&(d) + \
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(uint)*(ushort *)((char *)&(d) + sizeof(ushort)) + \
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(uint)((ushort)net_short((p))) + \
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(uint)((ushort)net_short((ushort)(l))) )
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#define TCP_TA_SIZE (offsetof(TRANSPORT_ADDRESS, Address->Address)+ \
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sizeof(TDI_ADDRESS_IP))
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extern void PrefetchRcvBuf(IPRcvBuf *Buf);
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extern ushort XsumSendChain(uint PHXsum, PNDIS_BUFFER BufChain);
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extern ushort XsumRcvBuf(uint PHXsum, IPRcvBuf *BufChain);
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extern uint CopyRcvToNdis(IPRcvBuf *RcvBuf, PNDIS_BUFFER DestBuf,
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uint Size, uint RcvOffset, uint DestOffset);
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extern uint CopyRcvToMdl(IPRcvBuf *RcvBuf, PMDL DestBuf,
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uint Size, uint RcvOffset, uint DestOffset);
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extern TDI_STATUS UpdateConnInfo(PTDI_CONNECTION_INFORMATION ConnInfo,
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IPOptInfo *OptInfo, IPAddr SrcAddress, ushort SrcPort);
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extern void BuildTDIAddress(uchar *Buffer, IPAddr Addr, ushort Port);
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extern void CopyRcvToBuffer(uchar *DestBuf, IPRcvBuf *SrcRB, uint Size,
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uint Offset);
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extern PNDIS_BUFFER CopyFlatToNdis(PNDIS_BUFFER DestBuf, uchar *SrcBuf,
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uint Size, uint *Offset, uint *BytesCopied);
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extern PMDL CopyFlatToMdl(PMDL DestBuf, uchar *SrcBuf,
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uint Size, uint *Offset, uint *BytesCopied);
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extern void *TLRegisterProtocol(uchar Protocol, void *RcvHandler,
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void *XmitHandler, void *StatusHandler,
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void *RcvCmpltHandler, void *PnPHandler, void *ElistHandler);
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// Differentiate copying to an NDIS_BUFFER and an MDL for Millenniun. On
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// NT they are the same thing and inlined to the TDI functions.
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#if MILLEN
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NTSTATUS
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TcpipCopyBufferToNdisBuffer (
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IN PVOID SourceBuffer,
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IN ULONG SourceOffset,
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IN ULONG SourceBytesToCopy,
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IN PNDIS_BUFFER DestinationNdisBuffer,
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IN ULONG DestinationOffset,
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IN PULONG BytesCopied
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);
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#else // MILLEN
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__inline NTSTATUS
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TcpipCopyBufferToNdisBuffer (
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IN PVOID SourceBuffer,
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IN ULONG SourceOffset,
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IN ULONG SourceBytesToCopy,
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IN PNDIS_BUFFER DestinationNdisBuffer,
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IN ULONG DestinationOffset,
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IN PULONG BytesCopied
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)
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{
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return TdiCopyBufferToMdl(
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SourceBuffer,
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SourceOffset,
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SourceBytesToCopy,
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DestinationNdisBuffer,
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DestinationOffset,
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BytesCopied);
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}
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#endif // !MILLEN
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/*
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* Routine for TCP checksum. This is defined as calls through a function
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* pointer which is set to point at the optimal routine for this
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* processor implementation
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*/
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typedef
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ULONG
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(* TCPXSUM_ROUTINE)(
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IN ULONG Checksum,
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IN PUCHAR Source,
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IN ULONG Length
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);
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ULONG
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tcpxsum_xmmi(
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IN ULONG Checksum,
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IN PUCHAR Source,
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IN ULONG Length
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);
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ULONG
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tcpxsum(
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IN ULONG Checksum,
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IN PUCHAR Source,
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IN ULONG Length
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);
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