140 lines
3.3 KiB
C
140 lines
3.3 KiB
C
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/*++
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Copyright (c) 1997 Microsoft Corporation
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Module Name:
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D:\nt\private\ntos\tdi\rawwan\atm\atmsp.h
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Abstract:
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Private data structure definitions for ATM-specific functions
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for Raw WAN.
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Revision History:
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Who When What
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-------- -------- ----------------------------------------------
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arvindm 06-03-97 Created
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Notes:
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--*/
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#ifndef __TDI_ATM_ATMSP__H
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#define __TDI_ATM_ATMSP__H
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//
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// ATM-specific module's context for an NDIS AF open.
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//
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typedef struct _ATMSP_AF_BLOCK
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{
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RWAN_HANDLE RWanAFHandle;
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LIST_ENTRY AfBlockLink; // To list of AF Blocks
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NDIS_CO_LINK_SPEED LineRate; // supported by adapter
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ULONG MaxPacketSize; // supported by adapter
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ATMSP_QOS DefaultQoS;
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ULONG DefaultQoSLength;
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} ATMSP_AF_BLOCK, *PATMSP_AF_BLOCK;
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//
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// ATM-specific module's context for a TDI Address Object.
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//
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typedef struct _ATMSP_ADDR_BLOCK
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{
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RWAN_HANDLE RWanAddrHandle;
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ULONG RefCount;
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ULONG Flags;
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ATMSP_CONNECTION_ID ConnectionId; // Set via SIO_ASSOCIATE_PVC
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LIST_ENTRY ConnList; // List of associated conn blocks
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NDIS_SPIN_LOCK Lock; // For above list.
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} ATMSP_ADDR_BLOCK, *PATMSP_ADDR_BLOCK;
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#define ATMSPF_ADDR_PVC_ID_SET 0x00000001
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//
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// ATM-specific module's context for a TDI Connection Object that is
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// associated with an address object.
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//
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typedef struct _ATMSP_CONN_BLOCK
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{
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RWAN_HANDLE RWanConnHandle;
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PATMSP_ADDR_BLOCK pAddrBlock;
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LIST_ENTRY ConnLink; // To List of Conn Blocks
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ATMSP_CONNECTION_ID ConnectionId; // Set after conn setup
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} ATMSP_CONN_BLOCK, *PATMSP_CONN_BLOCK;
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//
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// Global data structure.
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//
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typedef struct _ATMSP_GLOBAL_INFO
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{
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RWAN_HANDLE RWanSpHandle;
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RWAN_NDIS_AF_CHARS AfChars;
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RWAN_HANDLE RWanProtHandle;
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NDIS_STRING AtmSpDeviceName;
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LARGE_INTEGER StartTime;
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LIST_ENTRY AfList; // List of AF Blocks
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ULONG AfListSize; // Size of above
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RWAN_TDI_PROTOCOL_CHARS TdiChars;
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} ATMSP_GLOBAL_INFO, *PATMSP_GLOBAL_INFO;
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#define ATMSP_AF_MAJOR_VERSION 3
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#define ATMSP_AF_MINOR_VERSION 1
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//
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// Overlayed at the AddressType field of struct _TA_ADDRESS is the
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// Sockets ATM address structure, sockaddr_atm, which is defined as
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//
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// typedef struct sockaddr_atm {
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// u_short satm_family;
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// ATM_ADDRESS satm_number;
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// ATM_BHLI satm_bhli;
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// ATM_BLLI satm_blli;
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// } sockaddr_atm;
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//
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// Ideally we want satm_number to be overlayed with the first byte
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// of Address[] in the _TA_ADDRESS structure, but because of 4-byte
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// packing of sockaddr_atm, there is a hidden u_short just following
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// satm_family.
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//
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// The following macro accesses the "true" local version of the ATM
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// socket address given a pointer to the start of Address[i] within
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// struct _TA_ADDRESS.
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//
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#define TA_POINTER_TO_ATM_ADDR_POINTER(_pTransportAddr) \
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(ATMSP_SOCKADDR_ATM UNALIGNED *)((PUCHAR)(_pTransportAddr) + sizeof(USHORT))
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//
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// The following macro defines the length of an ATM address as required
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// in a TA_ADDRESS Length field.
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//
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#define TA_ATM_ADDRESS_LENGTH (sizeof(ATMSP_SOCKADDR_ATM) + sizeof(USHORT))
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//
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// Header length of a Transport Address.
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//
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#define TA_HEADER_LENGTH (FIELD_OFFSET(TRANSPORT_ADDRESS, Address->Address))
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typedef struct _ATMSP_EVENT
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{
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NDIS_EVENT Event;
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NDIS_STATUS Status;
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} ATMSP_EVENT, *PATMSP_EVENT;
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#endif // __TDI_ATM_ATMSP__H
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