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1008 lines
31 KiB
1008 lines
31 KiB
/*++
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Copyright (c) 1997 FORE Systems, Inc.
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Copyright (c) 1997 Microsoft Corporation
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Module Name:
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atmlane.h
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Abstract:
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Author:
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Larry Cleeton, FORE Systems ([email protected], [email protected])
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Environment:
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Kernel mode
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Revision History:
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--*/
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#ifndef __ATMLANE_ATMLANE_H
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#define __ATMLANE_ATMLANE_H
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//
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// Configuration defaults and stuff
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//
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#define DEF_HEADER_BUF_SIZE LANE_HEADERSIZE
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#define DEF_HDRBUF_GROW_SIZE 50 // these used for packet pad buffers also
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#define DEF_MAX_HEADER_BUFS 300
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#define DEF_PROTOCOL_BUF_SIZE sizeof(LANE_CONTROL_FRAME)
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#define DEF_MAX_PROTOCOL_BUFS 100
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#define MCAST_LIST_SIZE 32
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#define FAST_VC_TIMEOUT 30 // seconds
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//
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// The registry parameter strings
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//
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#define ATMLANE_LINKNAME_STRING L"\\DosDevices\\AtmLane"
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#define ATMLANE_NTDEVICE_STRING L"\\Device\\AtmLane"
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#define ATMLANE_PROTOCOL_STRING L"AtmLane"
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#define ATMLANE_USELECS_STRING L"UseLecs"
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#define ATMLANE_DISCOVERLECS_STRING L"DiscoverLecs"
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#define ATMLANE_LECSADDR_STRING L"LecsAddr"
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#define ATMLANE_ELANLIST_STRING L"ElanList"
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#define ATMLANE_DEVICE_STRING L"Device"
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#define ATMLANE_ELANNAME_STRING L"ElanName"
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#define ATMLANE_LANTYPE_STRING L"LanType"
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#define ATMLANE_MAXFRAMESIZE_STRING L"MaxFrameSizeCode"
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#define ATMLANE_LESADDR_STRING L"LesAddr"
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#define ATMLANE_UPPERBINDINGS_STRING L"UpperBindings"
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// Deprecated registry keys:
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// #define ATMLANE_MACADDR_STRING L"MacAddr"
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// #define ATMLANE_HEADERBUFSIZE_STRING L"HeaderBufSize"
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// #define ATMLANE_MAXHEADERBUFS_STRING L"MaxHeaderBufs"
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// #define ATMLANE_MAXPROTOCOLBUFS_STRING L"MaxProtocolBufs"
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// #define ATMLANE_DATADIRECTPCR_STRING L"DataDirectPCR"
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//
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// MAC table size
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// Current sized at 256.
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// Hash function currently uses byte 5 of MAC Address as index.
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// Some research at Digital has shown it to be the best byte to use.
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//
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#define ATMLANE_MAC_TABLE_SIZE 256
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//
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// Some misc defaults
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//
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#define ATMLANE_DEF_MAX_AAL5_PDU_SIZE ((64*1024)-1)
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//
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// Timer configuration.
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//
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#define ALT_MAX_TIMER_SHORT_DURATION 60 // Seconds
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#define ALT_MAX_TIMER_LONG_DURATION (30*60) // Seconds
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#define ALT_SHORT_DURATION_TIMER_PERIOD 1 // Second
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#define ALT_LONG_DURATION_TIMER_PERIOD 10 // Seconds
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//
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// Foward References
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//
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struct _ATMLANE_VC;
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struct _ATMLANE_ATM_ENTRY;
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struct _ATMLANE_ELAN;
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struct _ATMLANE_ADAPTER;
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//
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// Blocking data structure.
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//
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typedef struct _ATMLANE_BLOCK
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{
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NDIS_EVENT Event;
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NDIS_STATUS Status;
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} ATMLANE_BLOCK, *PATMLANE_BLOCK;
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//
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// The following object is a convenient way to
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// store and access an IEEE 48-bit MAC address.
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//
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typedef struct _MAC_ADDRESS
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{
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UCHAR Byte[6];
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}
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MAC_ADDRESS,
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*PMAC_ADDRESS;
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//
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// Packet context data in ProtocolReserved area of
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// NDIS Packet header owned by ATMLANE.
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//
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typedef struct _SEND_PACKET_RESERVED
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{
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#if DBG
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ULONG Signature;
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PNDIS_PACKET pNextInSendList;
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#endif
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ULONG Flags;
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PNDIS_PACKET pOrigNdisPacket;
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ULONG OrigBufferCount;
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ULONG OrigPacketLength;
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ULONG WrappedBufferCount;
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PNDIS_PACKET pNextNdisPacket;
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#if PROTECT_PACKETS
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ATMLANE_LOCK Lock;
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NDIS_STATUS CompletionStatus;
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#endif // PROTECT_PACKETS
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}
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SEND_PACKET_RESERVED,
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*PSEND_PACKET_RESERVED;
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//
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// Packet context data in MiniportReserved area of
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// NDIS packet header owned by ATMLANE.
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//
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typedef struct _RECV_PACKET_RESERVED
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{
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ULONG Flags;
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PNDIS_PACKET pNdisPacket;
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}
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RECV_PACKET_RESERVED,
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*PRECV_PACKET_RESERVED;
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//
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// Definitions of Flags in both (SEND/RECV)_PACKET_RESERVED.
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//
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#define PACKET_RESERVED_OWNER_MASK 0x00000007
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#define PACKET_RESERVED_OWNER_PROTOCOL 0x00000001
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#define PACKET_RESERVED_OWNER_ATMLANE 0x00000002
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#define PACKET_RESERVED_OWNER_MINIPORT 0x00000004
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#if PROTECT_PACKETS
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#define PACKET_RESERVED_COSENDRETURNED 0x10000000
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#define PACKET_RESERVED_COMPLETED 0x01000000
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#endif // PROTECT_PACKETS
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#define PSEND_RSVD(_pPkt) \
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((PSEND_PACKET_RESERVED)(&((_pPkt)->ProtocolReserved)))
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#define ZERO_SEND_RSVD(_pPkt) \
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NdisZeroMemory(&((_pPkt)->ProtocolReserved), sizeof(SEND_PACKET_RESERVED))
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//
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// ------------------------ Global Data Object ------------------------
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//
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typedef struct _ATMLANE_GLOBALS
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{
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#if DBG
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ULONG atmlane_globals_sig; // debug signature
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#endif
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ATMLANE_LOCK GlobalLock; // global data lock
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ATMLANE_BLOCK Block;
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NDIS_HANDLE NdisWrapperHandle; // returned by NdisMInitializeWrapper
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NDIS_HANDLE MiniportDriverHandle; // returned by NdisIMRegisterLayeredMiniport
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NDIS_HANDLE NdisProtocolHandle; // returned by NdisRegisterProtocol
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LIST_ENTRY AdapterList; // list of bound adapters
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PDRIVER_OBJECT pDriverObject; // our driver object
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PDEVICE_OBJECT pSpecialDeviceObject; // special protocol ioctl device object ptr
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NDIS_HANDLE SpecialNdisDeviceHandle;// special protocol ioctl device handle
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}
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ATMLANE_GLOBALS,
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*PATMLANE_GLOBALS;
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#if DBG
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#define atmlane_globals_signature 'LGLA'
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#endif
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//
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// ------------------------ Timer Management ------------------------
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//
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struct _ATMLANE_TIMER ;
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struct _ATMLANE_TIMER_LIST ;
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//
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// Timeout Handler prototype
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//
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typedef
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VOID
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(*ATMLANE_TIMEOUT_HANDLER)(
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IN struct _ATMLANE_TIMER * pTimer,
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IN PVOID ContextPtr
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);
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//
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// An ATMLANE_TIMER structure is used to keep track of each timer
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// in the ATMLANE module.
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//
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typedef struct _ATMLANE_TIMER
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{
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struct _ATMLANE_TIMER * pNextTimer;
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struct _ATMLANE_TIMER * pPrevTimer;
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struct _ATMLANE_TIMER * pNextExpiredTimer; // Used to chain expired timers
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struct _ATMLANE_TIMER_LIST * pTimerList; // NULL iff this timer is inactive
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ULONG Duration; // In seconds
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ULONG LastRefreshTime;
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ATMLANE_TIMEOUT_HANDLER TimeoutHandler;
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PVOID ContextPtr; // To be passed to timeout handler
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} ATMLANE_TIMER, *PATMLANE_TIMER;
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//
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// NULL pointer to ATMLANE Timer
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//
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#define NULL_PATMLANE_TIMER ((PATMLANE_TIMER)NULL)
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//
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// Control structure for a timer wheel. This contains all information
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// about the class of timers that it implements.
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//
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typedef struct _ATMLANE_TIMER_LIST
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{
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#if DBG
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ULONG atmlane_timerlist_sig;
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#endif // DBG
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PATMLANE_TIMER pTimers; // List of timers
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ULONG TimerListSize; // Length of above
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ULONG CurrentTick; // Index into above
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ULONG TimerCount; // Number of running timers
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ULONG MaxTimer; // Max timeout value for this
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NDIS_TIMER NdisTimer; // System support
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UINT TimerPeriod; // Interval between ticks
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PVOID ListContext; // Used as a back pointer to the
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// Interface structure
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} ATMLANE_TIMER_LIST, *PATMLANE_TIMER_LIST;
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#if DBG
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#define atmlane_timerlist_signature 'LTLA'
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#endif // DBG
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//
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// Timer Classes
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//
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typedef enum
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{
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ALT_CLASS_SHORT_DURATION,
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ALT_CLASS_LONG_DURATION,
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ALT_CLASS_MAX
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} ATMLANE_TIMER_CLASS;
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//
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// ------------------------ ATMLANE SAP --------------------------------
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//
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// Each of these structures maintains information about an individual SAP
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// associated with an ELAN. Each ELAN registers 3 SAPs.
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// - Incoming Control Distribute VC
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// - Incoming Data Direct VCs
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// - Incoming Multicast Forward VC
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//
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typedef struct _ATMLANE_SAP
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{
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#if DBG
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ULONG atmlane_sap_sig;
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#endif
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struct _ATMLANE_ELAN * pElan ; // back pointer
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NDIS_HANDLE NdisSapHandle;
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ULONG Flags; // state information
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ULONG LaneType; // LES\BUS\DATA
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PCO_SAP pInfo; // SAP characteristics.
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}
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ATMLANE_SAP,
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*PATMLANE_SAP;
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#if DBG
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#define atmlane_sap_signature 'PSLA'
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#endif
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//
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// NULL pointer to ATMLANE SAP
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//
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#define NULL_PATMLANE_SAP ((PATMLANE_SAP)NULL)
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//
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// Definitions for Flags in ATMLANE SAP
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//
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//
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// Bits 0 to 3 contain the SAP-registration state.
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//
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#define SAP_REG_STATE_MASK 0x0000000f
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#define SAP_REG_STATE_IDLE 0x00000000
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#define SAP_REG_STATE_REGISTERING 0x00000001 // Sent RegisterSap
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#define SAP_REG_STATE_REGISTERED 0x00000002 // RegisterSap completed
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#define SAP_REG_STATE_DEREGISTERING 0x00000004 // Sent DeregisterSap
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//
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// ---- ATMLANE Buffer Tracker ----
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//
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// Keeps track of allocation information for a pool of buffers. A list
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// of these structures is used to maintain info about a dynamically
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// growable pool of buffers (e.g. for LANE data packet header buffers)
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//
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typedef struct _ATMLANE_BUFFER_TRACKER
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{
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struct _ATMLANE_BUFFER_TRACKER * pNext; // in a list of trackers
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NDIS_HANDLE NdisHandle; // for Buffer Pool
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PUCHAR pPoolStart; // start of memory chunk allocated
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// from the system
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} ATMLANE_BUFFER_TRACKER, *PATMLANE_BUFFER_TRACKER;
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//
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// NULL pointer to ATMARP Buffer tracker structure
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//
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#define NULL_PATMLANE_BUFFER_TRACKER ((PATMLANE_BUFFER_TRACKER)NULL)
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//
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// ------------------------ ATM Address Entry ------------------------
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//
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// All information about an ATM destination and the VCs associated
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// with it. One of these entries is used for a given ATM Address
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// with the exception of LANE services ATM Addresses
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//
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// It is deleted when all references (see below) to this entry are gone.
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//
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// One Data Direct VC can associated with this entry. One or more ARP Table
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// Entries could point to this entry, because more than one MAC address
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// could map to this ATM address.
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//
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// Reference Count: we add one to the RefCount for each of the following:
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// - Each VC associated with the entry.
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// - Each MAC Entry that points to it.
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// - BusTimer active.
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// - FlushTimer active.
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// - For the duration that another structure points to it.
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//
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typedef struct _ATMLANE_ATM_ENTRY
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{
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#if DBG
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ULONG atmlane_atm_sig; // Signature for debugging
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#endif
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struct _ATMLANE_ATM_ENTRY * pNext; // Next entry on this elan
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ULONG RefCount; // References to this struct
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ULONG Flags; // State information
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ULONG Type; // Type of entry
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ATMLANE_LOCK AeLock;
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struct _ATMLANE_ELAN * pElan; // Back pointer to parent
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struct _ATMLANE_VC * pVcList; // List of VCs to this address
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struct _ATMLANE_VC * pVcIncoming; // Optional incoming VC if server
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struct _ATMLANE_MAC_ENTRY * pMacEntryList; // List of MAC entries that
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// point to this entry
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ATM_ADDRESS AtmAddress; // ATM Address of this entry
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PATMLANE_TIMER FlushTimer; // Flush protocol timer
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ULONG FlushTid; // Transaction ID of Flush Request
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}
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ATMLANE_ATM_ENTRY,
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*PATMLANE_ATM_ENTRY;
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#if DBG
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#define atmlane_atm_signature 'EALA'
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#endif
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//
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// NULL pointer to ATMLANE ATM ENTRY
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//
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#define NULL_PATMLANE_ATM_ENTRY ((PATMLANE_ATM_ENTRY)NULL)
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//
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// Definitions for Flags in ATMLANE ATM ENTRY
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//
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//
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// Bits 0-4 contain the state of an ATM Entry.
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//
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#define ATM_ENTRY_STATE_MASK 0x00000007
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#define ATM_ENTRY_IDLE 0x00000000 // Just created
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#define ATM_ENTRY_VALID 0x00000001 // Installed into the database
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#define ATM_ENTRY_CONNECTED 0x00000002 // VC connected
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#define ATM_ENTRY_CLOSING 0x00000004 // entry is about to go away
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#define ATM_ENTRY_CALLINPROGRESS 0x00000010 // Call underway
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#define ATM_ENTRY_WILL_ABORT 0x80000000 // Preparing to abort this
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//
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// Definitions for Type in ATMLANE ATM ENTRY
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//
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#define ATM_ENTRY_TYPE_PEER 0
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#define ATM_ENTRY_TYPE_LECS 1
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#define ATM_ENTRY_TYPE_LES 2
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#define ATM_ENTRY_TYPE_BUS 3
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//
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// ------------------------ MAC (ARP Table) Entry ------------------------
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//
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// Contains information about one remote MAC address.
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//
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// It is assumed that each MAC address resolves to exactly on ATM address.
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// So there is at most one ARP Table entry for a given MAC address.
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//
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// The MAC entry participates in two lists:
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// (1) A list of all entries that hash to the same bucket in the ARP Table.
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// (2) A list of all entries that resolve to the same ATM address.
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//
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// Reference Count: We add one to its ref count for each of the following:
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// - For the duration an active timer exists on this entry.
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// - For the duration the entry belongs to the list of MAC entries linked
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// to an ATM entry.
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//
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typedef struct _ATMLANE_MAC_ENTRY
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{
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#if DBG
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ULONG atmlane_mac_sig; // Signature for debugging
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#endif
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struct _ATMLANE_MAC_ENTRY * pNextEntry; // Next in hash list
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struct _ATMLANE_MAC_ENTRY * pNextToAtm; // List of entries pointing to
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// the save ATM Entry
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ULONG RefCount; // References to this struct
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ULONG Flags; // State and Type information
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ATMLANE_LOCK MeLock; // Lock for this structure
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MAC_ADDRESS MacAddress; // MAC Address
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ULONG MacAddrType; // Type of Addr (MAC vs RD)
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struct _ATMLANE_ELAN * pElan; // Back pointer to Elan
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PATMLANE_ATM_ENTRY pAtmEntry; // Pointer to ATM entry
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ATMLANE_TIMER Timer; // For ARP and Aging
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ATMLANE_TIMER FlushTimer; // For Flushing
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ULONG RetriesLeft; // Number of ARP retries left
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PNDIS_PACKET PacketList; // Packet list
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ULONG PacketListCount; // Number packets queued
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NDIS_TIMER BusTimer; // For metering Bus Sends
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ULONG BusyTime; // For metering Bus Sends
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ULONG LimitTime; // For metering Bus Sends
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ULONG IncrTime; // For metering Bus Sends
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ULONG FlushTid; // TID of outstanding flush
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ULONG ArpTid; // TID of outstanding arp
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}
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ATMLANE_MAC_ENTRY,
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*PATMLANE_MAC_ENTRY;
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#if DBG
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#define atmlane_mac_signature 'EMLA'
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#endif
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//
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// NULL pointer to ATMLANE MAC ENTRY
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//
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#define NULL_PATMLANE_MAC_ENTRY ((PATMLANE_MAC_ENTRY)NULL)
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//
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// Definitions for Flags in ATMLANE MAC ENTRY
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//
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#define MAC_ENTRY_STATE_MASK 0x0000007F
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#define MAC_ENTRY_NEW 0x00000001 // Brand new
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#define MAC_ENTRY_ARPING 0x00000002 // Running ARP protocol
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#define MAC_ENTRY_RESOLVED 0x00000004 // Calling
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#define MAC_ENTRY_FLUSHING 0x00000008 // Flushing
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#define MAC_ENTRY_ACTIVE 0x00000010 // Connected
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#define MAC_ENTRY_AGED 0x00000020 // Aged Out
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#define MAC_ENTRY_ABORTING 0x00000040 // Aborting
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#define MAC_ENTRY_BROADCAST 0x00010000 // Is broadcast address (BUS)
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#define MAC_ENTRY_BUS_TIMER 0x00040000 // BUS timer running
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#define MAC_ENTRY_USED_FOR_SEND 0x00080000 // Was used for send
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//
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// ------------------------ ATMLANE Virtual Circuit (VC) ---------------------
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//
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// One of these is used for each call terminated at the ELAN.
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// Creation and deletion of this structure is linked to NdisCoCreateVc and
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// NdisCoDeleteVc.
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//
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typedef struct _ATMLANE_VC
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{
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#if DBG
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ULONG atmlane_vc_sig; // Signature for debuging
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#endif
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struct _ATMLANE_VC * pNextVc; // Next VC in list
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ULONG RefCount; // References to this struct
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ULONG OutstandingSends; // Packets pending CoSendComplete
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ATMLANE_LOCK VcLock;
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ULONG Flags; // State and Type information
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ULONG LaneType; // LANE type of VC
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NDIS_HANDLE NdisVcHandle; // NDIS handle for this VC
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struct _ATMLANE_ELAN * pElan; // Back pointer to parent Elan
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PATMLANE_ATM_ENTRY pAtmEntry; // Back pointer to ATM Entry
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ATMLANE_TIMER AgingTimer; // Aging Timer
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ULONG AgingTime; // Aging Time
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|
ATMLANE_TIMER ReadyTimer; // Ready Timer
|
|
ULONG RetriesLeft; // retries left
|
|
ATM_ADDRESS CallingAtmAddress; // Calling party ATM Address
|
|
// in call for this VC
|
|
ULONG ReceiveActivity; // non-zero if receive activity seen
|
|
}
|
|
ATMLANE_VC,
|
|
*PATMLANE_VC;
|
|
|
|
#if DBG
|
|
#define atmlane_vc_signature 'CVLA'
|
|
#endif
|
|
|
|
//
|
|
// NULL pointer to ATMLANE VC
|
|
//
|
|
#define NULL_PATMLANE_VC ((PATMLANE_VC)NULL)
|
|
|
|
//
|
|
// Definitions for ATMLANE VC flags. The following information is kept
|
|
// here:
|
|
// - Is this VC an SVC or PVC
|
|
// - Is this created (owned) by an Elan or the Call Manager
|
|
// - Call State: Incoming in progress, Outgoing in progress, Active,
|
|
// - LANE Ready state
|
|
// - Close in progress
|
|
//
|
|
|
|
// Bits 0-1 for svc vs pvc type
|
|
#define VC_TYPE_MASK 0x00000003
|
|
#define VC_TYPE_UNUSED 0x00000000
|
|
#define VC_TYPE_SVC 0x00000001
|
|
#define VC_TYPE_PVC 0x00000002
|
|
|
|
// Bits 2-3 for "Owner"
|
|
#define VC_OWNER_MASK 0x0000000C
|
|
#define VC_OWNER_IS_UNKNOWN 0x00000000
|
|
#define VC_OWNER_IS_ATMLANE 0x00000004 // NdisClCreateVc done
|
|
#define VC_OWNER_IS_CALLMGR 0x00000008 // CreateVcHandler done
|
|
|
|
// Bits 4-7 for Call State
|
|
#define VC_CALL_STATE_MASK 0x000000F0
|
|
#define VC_CALL_STATE_IDLE 0x00000000
|
|
#define VC_CALL_STATE_INCOMING_IN_PROGRESS 0x00000010 // Wait for CallConnected
|
|
#define VC_CALL_STATE_OUTGOING_IN_PROGRESS 0x00000020 // Wait for MakeCallCmpl
|
|
#define VC_CALL_STATE_ACTIVE 0x00000040
|
|
#define VC_CALL_STATE_CLOSE_IN_PROGRESS 0x00000080 // Wait for CloseCallCmpl
|
|
|
|
// Bits 8-9 to indicate waiting for LANE Ready state
|
|
#define VC_READY_STATE_MASK 0x00000300
|
|
#define VC_READY_WAIT 0x00000100
|
|
#define VC_READY_INDICATED 0x00000200
|
|
|
|
// Bit 10 to indicate whether we are closing this VC
|
|
#define VC_CLOSE_STATE_MASK 0x00000400
|
|
#define VC_CLOSE_STATE_CLOSING 0x00000400
|
|
|
|
// Bit 12 to indicate whether we have seen an incoming close
|
|
#define VC_SEEN_INCOMING_CLOSE 0x00001000
|
|
|
|
//
|
|
// Definitions for LaneType
|
|
//
|
|
#define VC_LANE_TYPE_UNKNOWN 0
|
|
#define VC_LANE_TYPE_CONFIG_DIRECT 1 // LECS Connection (bidirectional)
|
|
#define VC_LANE_TYPE_CONTROL_DIRECT 2 // LES Connection (bidirectional)
|
|
#define VC_LANE_TYPE_CONTROL_DISTRIBUTE 3 // LES Connection (uni,incoming)
|
|
#define VC_LANE_TYPE_DATA_DIRECT 4 // LEC Connection (bidirectional)
|
|
#define VC_LANE_TYPE_MULTI_SEND 5 // BUS Connection (bidirectional)
|
|
#define VC_LANE_TYPE_MULTI_FORWARD 6 // BUS Connection (uni,incoming)
|
|
|
|
//
|
|
// ------------------------ ELAN Event Object ------------------
|
|
//
|
|
|
|
typedef struct _ATMLANE_EVENT
|
|
{
|
|
ULONG Event; // Latest state-related event
|
|
NDIS_STATUS EventStatus; // Status related to current event
|
|
LIST_ENTRY Link; // event queue link
|
|
}
|
|
ATMLANE_EVENT,
|
|
*PATMLANE_EVENT;
|
|
|
|
//
|
|
// ------------------------ ELAN Delayed Event Object ----------
|
|
//
|
|
|
|
typedef struct _ATMLANE_DELAYED_EVENT
|
|
{
|
|
struct _ATMLANE_EVENT DelayedEvent; // event info
|
|
struct _ATMLANE_ELAN * pElan; // target ELAN for this event
|
|
NDIS_TIMER DelayTimer; // To implement the delay
|
|
}
|
|
ATMLANE_DELAYED_EVENT,
|
|
*PATMLANE_DELAYED_EVENT;
|
|
|
|
|
|
//
|
|
// ------------------------ ELAN Object ------------------------
|
|
//
|
|
|
|
//
|
|
// ELAN object represents an ELAN instance and it's
|
|
// corresponding virtual miniport adapter.
|
|
//
|
|
|
|
typedef struct _ATMLANE_ELAN
|
|
{
|
|
#if DBG
|
|
ULONG atmlane_elan_sig;
|
|
#endif // DBG
|
|
LIST_ENTRY Link; // for adapter's elan list
|
|
ATMLANE_LOCK ElanLock; // Mutex for elan struct
|
|
ATMLANE_BLOCK Block;
|
|
ULONG RefCount; // references to this elan
|
|
ULONG AdminState; // Desired state of this elan
|
|
ULONG State; // (Actual) State of this elan
|
|
LIST_ENTRY EventQueue; // Event queue
|
|
NDIS_WORK_ITEM EventWorkItem; // For event handling
|
|
ULONG RetriesLeft; // For retry handling
|
|
ATMLANE_TIMER Timer; // Timer for svr call & request timeouts
|
|
NDIS_WORK_ITEM NdisWorkItem; // For scheduling a passive-level thread
|
|
ULONG Flags; // Misc state information
|
|
PATMLANE_DELAYED_EVENT pDelayedEvent; // Event to be queued in a while
|
|
|
|
//
|
|
// ------ Adapter related ----
|
|
//
|
|
struct _ATMLANE_ADAPTER * pAdapter; // back pointer to adapter parent
|
|
NDIS_HANDLE NdisAdapterHandle; // cached adapter handle
|
|
|
|
//
|
|
// ------ Call Manager related ----
|
|
//
|
|
NDIS_HANDLE NdisAfHandle; // handle to call manager
|
|
ULONG AtmInterfaceUp; // The ATM interface is considered
|
|
// "up" after ILMI addr reg is over
|
|
ATMLANE_SAP LesSap; // Control Distribute SAP
|
|
ATMLANE_SAP BusSap; // Multicast Forward SAP
|
|
ATMLANE_SAP DataSap; // Data Direct SAP
|
|
ULONG SapsRegistered; // Number of Saps registered
|
|
ATMLANE_BLOCK AfBlock; // Used to block shutdown while
|
|
// AF open is in progress
|
|
|
|
//
|
|
// ------ Virtual Miniport related ----
|
|
//
|
|
NDIS_HANDLE MiniportAdapterHandle;// Virtual Miniport NDIS handle
|
|
NDIS_STRING CfgDeviceName; // Miniport netcard driver name
|
|
ULONG CurLookAhead; // Current established lookahead size
|
|
ULONG CurPacketFilter; // Current packet filter bits
|
|
ULONG FramesXmitGood;
|
|
ULONG FramesRecvGood;
|
|
ATMLANE_BLOCK InitBlock; // Used to block while IMInit
|
|
// is in progress
|
|
|
|
//
|
|
// ------ Timer data ----
|
|
//
|
|
ATMLANE_TIMER_LIST TimerList[ALT_CLASS_MAX];
|
|
ATMLANE_LOCK TimerLock; // Mutex for timer structures
|
|
|
|
//
|
|
// ----- LECS Configuration Parameters ----
|
|
//
|
|
BOOLEAN CfgUseLecs;
|
|
BOOLEAN CfgDiscoverLecs;
|
|
ATM_ADDRESS CfgLecsAddress;
|
|
|
|
//
|
|
// ----- ELAN Configuration Parameters ----
|
|
//
|
|
NDIS_STRING CfgBindName;
|
|
NDIS_STRING CfgElanName;
|
|
ULONG CfgLanType;
|
|
ULONG CfgMaxFrameSizeCode;
|
|
ATM_ADDRESS CfgLesAddress;
|
|
|
|
//
|
|
// ----- ELAN Run-Time Parameters ----
|
|
//
|
|
ULONG ElanNumber; // logical Elan number
|
|
ATM_ADDRESS AtmAddress; // (C1) - LE Client's ATM Address
|
|
UCHAR LanType; // (C2) - LAN Type
|
|
UCHAR MaxFrameSizeCode; // (C3) - Maximum Data Frame Size Code
|
|
ULONG MaxFrameSize; // - Maximum Data Frame Size Value
|
|
USHORT LecId; // (C14) - LE Client Identifier
|
|
UCHAR ElanName[LANE_ELANNAME_SIZE_MAX]; // (C5) - ELAN Name
|
|
UCHAR ElanNameSize; // Size of above
|
|
MAC_ADDRESS MacAddressEth; // (C6) - Elan's MAC Address (Eth/802.3 format)
|
|
MAC_ADDRESS MacAddressTr; // Elan's MAC Address (802.5 format)
|
|
ULONG ControlTimeout; // (C7) - Control Time-out
|
|
ATM_ADDRESS LesAddress; // (C9) - LE Server ATM Address
|
|
ULONG MaxUnkFrameCount; // (C10) - Maximum Unknown Frame Count
|
|
ULONG MaxUnkFrameTime; // (C11) - Maximum Unknown Frame Time
|
|
ULONG LimitTime; // Precalculated values for
|
|
ULONG IncrTime; // limiting bus traffic
|
|
ULONG VccTimeout; // (C12) - VCC Time-out Period
|
|
ULONG MaxRetryCount; // (C13) - Maximum Retry Count
|
|
MAC_ADDRESS McastAddrs[MCAST_LIST_SIZE]; // (C15) - Multicast MAC Addresses
|
|
ULONG McastAddrCount; // Number of above
|
|
ULONG AgingTime; // (C17) - Aging Time
|
|
ULONG ForwardDelayTime; // (C18) - Forward Delay Time
|
|
ULONG TopologyChange; // (C19) - Topology Change
|
|
ULONG ArpResponseTime; // (C20) - Expected LE_ARP Response Time
|
|
ULONG FlushTimeout; // (C21) - Flush Time-out
|
|
ULONG PathSwitchingDelay; // (C22) - Path Switching Delay
|
|
ULONG LocalSegmentId; // (C23) - Local Segment ID
|
|
ULONG McastSendVcType; // (C24) - Mcast Send VCC Type (ignored)
|
|
ULONG McastSendVcAvgRate; // (C25) - Mcast Send Avg Rate (ignored)
|
|
ULONG McastSendVcPeakRate;// (C26) - Mcast Send Peak Rate (ignored)
|
|
ULONG ConnComplTimer; // (C28) - Connection Completion Timer
|
|
ULONG TransactionId; // LANE Control Frame Tid
|
|
ATM_ADDRESS LecsAddress; // LECS ATM Address
|
|
ATM_ADDRESS BusAddress; // BUS ATM Address
|
|
ULONG MinFrameSize; // Minimum LANE frame size
|
|
NDIS_STATUS LastEventCode; // Used to avoid repeated event logging
|
|
|
|
//
|
|
// ----- Buffer Management: Header buffers and Protocol buffers ----
|
|
//
|
|
ATMLANE_LOCK HeaderBufferLock; // Mutex for header buffers
|
|
PNDIS_BUFFER HeaderBufList; // Free list of header buffers
|
|
ULONG HeaderBufSize; // Size of each header buffer
|
|
ULONG RealHeaderBufSize; // Above size rounded up to mult of 4
|
|
ULONG MaxHeaderBufs; // Max header buffers we can allocate
|
|
ULONG CurHeaderBufs; // Current header buffers allocated
|
|
PATMLANE_BUFFER_TRACKER pHeaderTrkList; // Info about allocated header buffers
|
|
PNDIS_BUFFER PadBufList;
|
|
ULONG PadBufSize; // Size of pad buffers
|
|
ULONG MaxPadBufs; // Max pad buffers we can allocate
|
|
ULONG CurPadBufs; // Current pad buffers allocated
|
|
PATMLANE_BUFFER_TRACKER pPadTrkList; // Info about allocated pad buffers
|
|
NDIS_HANDLE ProtocolPacketPool; // Handle for Packet pool
|
|
NDIS_HANDLE ProtocolBufferPool; // Handle for Buffer pool
|
|
PUCHAR ProtocolBufList; // Free list of protocol buffers (for
|
|
// LANE control packets)
|
|
PUCHAR ProtocolBufTracker; // Start of chunk of memory used for
|
|
// the above.
|
|
ULONG ProtocolBufSize; // Size of each protocol buffer
|
|
ULONG MaxProtocolBufs; // Number of protocol buffers
|
|
NDIS_HANDLE TransmitPacketPool; // Handle for transmit packet pool
|
|
NDIS_HANDLE ReceivePacketPool; // Handle for receive packet pool
|
|
NDIS_HANDLE ReceiveBufferPool; // Handle for receive buffer pool
|
|
#if PKT_HDR_COUNTS
|
|
ULONG XmitPktCount;
|
|
ULONG RecvPktCount;
|
|
ULONG ProtPktCount;
|
|
#endif // PKT_HDR_COUNTS
|
|
#if SENDLIST
|
|
PNDIS_PACKET pSendList;
|
|
NDIS_SPIN_LOCK SendListLock;
|
|
#endif // SENDLIST
|
|
|
|
//
|
|
// ----- MAC Entry Cache ----- (C16)
|
|
//
|
|
PATMLANE_MAC_ENTRY * pMacTable; // (C16) LE_ARP Cache
|
|
ULONG NumMacEntries; // Count of entries in cache
|
|
ATMLANE_LOCK MacTableLock; // Mutex for above table
|
|
|
|
//
|
|
// ----- Connection Cache -----
|
|
//
|
|
PATMLANE_ATM_ENTRY pLecsAtmEntry; // LE Configuration Server
|
|
PATMLANE_ATM_ENTRY pLesAtmEntry; // LAN Emulation Server
|
|
PATMLANE_ATM_ENTRY pBusAtmEntry; // Broadcast & Unknown Server
|
|
PATMLANE_ATM_ENTRY pAtmEntryList; // List of all ATM Entries
|
|
ULONG NumAtmEntries; // Count of entries
|
|
ATMLANE_LOCK AtmEntryListLock; // Mutex for above list
|
|
|
|
}
|
|
ATMLANE_ELAN,
|
|
*PATMLANE_ELAN;
|
|
|
|
#if DBG
|
|
#define atmlane_elan_signature 'LELA'
|
|
#endif
|
|
|
|
//
|
|
// NULL pointer to ATMLANE ELAN
|
|
//
|
|
#define NULL_PATMLANE_ELAN ((PATMLANE_ELAN)NULL)
|
|
|
|
//
|
|
// Definitions of ATMLANE ELAN States.
|
|
//
|
|
#define ELAN_STATE_ALLOCATED 0
|
|
#define ELAN_STATE_INIT 1
|
|
#define ELAN_STATE_LECS_CONNECT_ILMI 2
|
|
#define ELAN_STATE_LECS_CONNECT_WKA 3
|
|
#define ELAN_STATE_LECS_CONNECT_PVC 4
|
|
#define ELAN_STATE_LECS_CONNECT_CFG 5
|
|
#define ELAN_STATE_CONFIGURE 6
|
|
#define ELAN_STATE_LES_CONNECT 7
|
|
#define ELAN_STATE_JOIN 8
|
|
#define ELAN_STATE_BUS_CONNECT 9
|
|
#define ELAN_STATE_OPERATIONAL 10
|
|
#define ELAN_STATE_SHUTDOWN 11
|
|
|
|
//
|
|
// Definitions of ATMLANE Elan Flags
|
|
//
|
|
//
|
|
// Bits 0 thru 3 define the current LECS Connect attempt
|
|
//
|
|
#define ELAN_LECS_MASK 0x0000000f
|
|
#define ELAN_LECS_ILMI 0x00000001
|
|
#define ELAN_LECS_WKA 0x00000002
|
|
#define ELAN_LECS_PVC 0x00000004
|
|
#define ELAN_LECS_CFG 0x00000008
|
|
|
|
//
|
|
// Bit 4 & 5 define the virtual miniport state
|
|
//
|
|
#define ELAN_MINIPORT_INITIALIZED 0x00000010
|
|
#define ELAN_MINIPORT_OPERATIONAL 0x00000020
|
|
|
|
//
|
|
// Bit 6 defines event work item scheduling state
|
|
//
|
|
#define ELAN_EVENT_WORK_ITEM_SET 0x00000040
|
|
|
|
//
|
|
// Bit 7 specifies if we want to restart this ELAN
|
|
//
|
|
#define ELAN_NEEDS_RESTART 0x00000080
|
|
|
|
#define ELAN_SAW_AF_CLOSE 0x00000100
|
|
|
|
//
|
|
// Bit 9 defines whether there is a pending IMInitializeDeviceInstance
|
|
// on the ELAN, i.e. we expect to see a MiniportInitialize.
|
|
//
|
|
#define ELAN_MINIPORT_INIT_PENDING 0x00000200
|
|
|
|
//
|
|
// Bit 10 defines whether we are in the process of opening
|
|
// an AF handle.
|
|
//
|
|
#define ELAN_OPENING_AF 0x00000400
|
|
|
|
//
|
|
// This bit indicates whether this ELAN is being deallocated.
|
|
//
|
|
#define ELAN_DEALLOCATING 0x80000000
|
|
|
|
//
|
|
// Elan events
|
|
//
|
|
#define ELAN_EVENT_START 1
|
|
#define ELAN_EVENT_NEW_ATM_ADDRESS 2
|
|
#define ELAN_EVENT_GOT_ILMI_LECS_ADDR 3
|
|
#define ELAN_EVENT_SVR_CALL_COMPLETE 4
|
|
#define ELAN_EVENT_CONFIGURE_RESPONSE 5
|
|
#define ELAN_EVENT_SAPS_REGISTERED 6
|
|
#define ELAN_EVENT_JOIN_RESPONSE 7
|
|
#define ELAN_EVENT_ARP_RESPONSE 8
|
|
#define ELAN_EVENT_BUS_CALL_CLOSED 9
|
|
#define ELAN_EVENT_LES_CALL_CLOSED 10
|
|
#define ELAN_EVENT_LECS_CALL_CLOSED 11
|
|
#define ELAN_EVENT_RESTART 12
|
|
#define ELAN_EVENT_STOP 13
|
|
|
|
//
|
|
// Event status codes - use NDIS status codes
|
|
// but make up one for timeout
|
|
//
|
|
#define NDIS_STATUS_TIMEOUT ((NDIS_STATUS)STATUS_TIMEOUT)
|
|
|
|
|
|
//
|
|
// ------------------------ ElanName Object ------------------------
|
|
//
|
|
|
|
typedef struct _ATMLANE_NAME
|
|
{
|
|
struct _ATMLANE_NAME * pNext;
|
|
NDIS_STRING Name;
|
|
} ATMLANE_NAME,
|
|
*PATMLANE_NAME;
|
|
|
|
|
|
//
|
|
// ------------------------ Adapter Object ------------------------
|
|
//
|
|
|
|
|
|
//
|
|
// Adapter object represents an actual ATM adapter.
|
|
//
|
|
|
|
typedef struct _ATMLANE_ADAPTER
|
|
{
|
|
#if DBG
|
|
ULONG atmlane_adapter_sig;
|
|
#endif
|
|
//
|
|
// Reference count and lock to protect this object.
|
|
//
|
|
ULONG RefCount;
|
|
ATMLANE_LOCK AdapterLock;
|
|
//
|
|
// State
|
|
//
|
|
ULONG Flags;
|
|
|
|
//
|
|
// Block data structure for blocking threads during adapter requests.
|
|
//
|
|
ATMLANE_BLOCK Block;
|
|
|
|
//
|
|
// Link for global adapter list.
|
|
//
|
|
LIST_ENTRY Link;
|
|
|
|
//
|
|
// Adapter handle and such.
|
|
//
|
|
NDIS_HANDLE NdisAdapterHandle;
|
|
NDIS_HANDLE BindContext;
|
|
NDIS_HANDLE UnbindContext;
|
|
|
|
//
|
|
// Protocol configuration handle and string for opening it.
|
|
//
|
|
NDIS_STRING ConfigString;
|
|
|
|
//
|
|
// Adapter parameters acquired from miniport
|
|
//
|
|
MAC_ADDRESS MacAddress;
|
|
ULONG MaxAAL5PacketSize;
|
|
NDIS_CO_LINK_SPEED LinkSpeed;
|
|
|
|
//
|
|
// Adapter configuration parameters.
|
|
// These only exist on Memphis/Win98.
|
|
//
|
|
BOOLEAN RunningOnMemphis;
|
|
NDIS_STRING CfgUpperBindings;
|
|
PATMLANE_NAME UpperBindingsList;
|
|
NDIS_STRING CfgElanName;
|
|
PATMLANE_NAME ElanNameList;
|
|
|
|
//
|
|
// List of created ELANs.
|
|
//
|
|
LIST_ENTRY ElanList;
|
|
UINT ElanCount;
|
|
|
|
//
|
|
// Used to block Unbind while bootstrapping ELANs.
|
|
//
|
|
ATMLANE_BLOCK UnbindBlock;
|
|
|
|
//
|
|
// Used to block AF notification while querying the ATM adapter.
|
|
//
|
|
ATMLANE_BLOCK OpenBlock;
|
|
|
|
//
|
|
// Name of device. Used to protect against multiple calls to our
|
|
// BindAdapter handler for the same device.
|
|
//
|
|
NDIS_STRING DeviceName;
|
|
}
|
|
ATMLANE_ADAPTER,
|
|
*PATMLANE_ADAPTER;
|
|
|
|
#if DBG
|
|
#define atmlane_adapter_signature 'DALA'
|
|
#endif
|
|
|
|
//
|
|
// NULL pointer to ATMLANE Adapter
|
|
//
|
|
#define NULL_PATMLANE_ADAPTER ((PATMLANE_ADAPTER)NULL)
|
|
|
|
//
|
|
// Definitions for Adapter State Flags
|
|
//
|
|
#define ADAPTER_FLAGS_AF_NOTIFIED 0x00000001
|
|
#define ADAPTER_FLAGS_UNBINDING 0x00000002
|
|
#define ADAPTER_FLAGS_UNBIND_COMPLETE_PENDING 0x00000004
|
|
#define ADAPTER_FLAGS_CLOSE_IN_PROGRESS 0x00000008
|
|
#define ADAPTER_FLAGS_BOOTSTRAP_IN_PROGRESS 0x00000010
|
|
#define ADAPTER_FLAGS_OPEN_IN_PROGRESS 0x00000100
|
|
#define ADAPTER_FLAGS_DEALLOCATING 0x80000000
|
|
|
|
#endif // __ATMLANE_ATMLANE_H
|
|
|