115 lines
2.9 KiB
C
115 lines
2.9 KiB
C
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/*++
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Copyright (c) 1990-1995 Microsoft Corporation
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Module Name:
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packet.h
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Abstract:
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This file contains data structures used by the NdisWan driver
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to define ndis packet particulars.
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Author:
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Tony Bell (TonyBe) June 06, 1995
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Environment:
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Kernel Mode
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Revision History:
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TonyBe 02/11/97
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--*/
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#ifndef _NDISWAN_PACKETS_
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#define _NDISWAN_PACKETS_
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#define MAGIC_EXTERNAL_RECV '!RxE'
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#define MAGIC_EXTERANL_SEND '!SxE'
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#define MAGIC_INTERNAL_IO '!InI'
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#define MAGIC_INTERNAL_SEND '!SnI'
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#define MAGIC_INTERNAL_RECV '!RnI'
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#define MAGIC_INTERNAL_ALLOC '!AnI'
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//
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// The first 16 bytes of the protocol reserved section
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// of a ndis packet indicated to ndiswan by a miniport
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// belong to ndiswan
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//
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typedef struct _NDISWAN_RECV_RESERVED {
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LIST_ENTRY Linkage;
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ULONG MagicNumber;
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ULONG NdisPacket;
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} NDISWAN_RECV_RESERVED, *PNDISWAN_RECV_RESERVED;
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//
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// When ndiswan indicates a ndis packet to a protocol
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// the first 16 bytes of the protocol reseved belong to
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// the transport. NdisWan will store its information
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// beyond this area.
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//
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typedef struct _NDISWAN_PROTOCOL_RESERVED {
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UCHAR Reserved[16]; // 16 bytes reserved for the protocol
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union {
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SINGLE_LIST_ENTRY SLink;
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ULONG MagicNumber;
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};
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struct _POOL_DESC *PoolDesc;
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struct _LINKCB *LinkCB;
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union {
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struct _RECV_DESC *RecvDesc;
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struct _SEND_DESC *SendDesc;
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struct _DATA_DESC *DataDesc;
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};
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} NDISWAN_PROTOCOL_RESERVED, *PNDISWAN_PROTOCOL_RESERVED;
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typedef struct _NDISWAN_MINIPORT_RESERVED {
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union {
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PNDIS_PACKET Next;
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ULONG RefCount; // Used to count number of fragments
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};
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struct _CM_VCCB *CmVcCB;
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} NDISWAN_MINIPORT_RESERVED, *PNDISWAN_MINIPORT_RESERVED;
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typedef struct _POOLDESC_LIST {
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LIST_ENTRY List;
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NDIS_SPIN_LOCK Lock;
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ULONG TotalDescCount;
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ULONG MaxDescCount;
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ULONG AllocatedCount;
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ULONG MaxAllocatedCount;
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ULONG FreeCount;
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} POOLDESC_LIST, *PPOOLDESC_LIST;
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typedef struct _POOL_DESC {
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LIST_ENTRY Linkage;
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SINGLE_LIST_ENTRY Head;
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NDIS_HANDLE PoolHandle;
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ULONG AllocatedCount;
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ULONG MaxAllocatedCount;
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ULONG FreeCount;
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} POOL_DESC, *PPOOL_DESC;
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typedef struct _PACKET_QUEUE {
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PNDIS_PACKET HeadQueue; // Queue of ndis packets
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// waiting to be sent
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PNDIS_PACKET TailQueue; // Last packet on the queue
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ULONG ByteDepth;
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ULONG MaxByteDepth;
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ULONG PacketDepth;
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ULONG MaxPacketDepth;
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ULONG DumpedPacketCount;
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ULONG DumpedByteCount;
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LONG OutstandingFrags;
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} PACKET_QUEUE, *PPACKET_QUEUE;
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#endif // end of _NDISWAN_PACKETS_
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