126 lines
3.6 KiB
C
126 lines
3.6 KiB
C
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/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:
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ntos\tdi\isn\fwd\fwddefs.h
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Abstract:
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IPX Forwarder driver constants and general macro definitions
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Author:
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Vadim Eydelman
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Revision History:
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--*/
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#ifndef _IPXFWD_FWDDEFS_
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#define _IPXFWD_FWDDEFS_
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// Forwarder tag used in memory allocations
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#define FWD_POOL_TAG 'wFwN'
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//*** Offsets into the IPX header
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#define IPXH_HDRSIZE 30 // Size of the IPX header
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#define IPXH_CHECKSUM 0 // Checksum
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#define IPXH_LENGTH 2 // Length
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#define IPXH_XPORTCTL 4 // Transport Control
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#define IPXH_PKTTYPE 5 // Packet Type
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#define IPXH_DESTADDR 6 // Dest. Address (Total)
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#define IPXH_DESTNET 6 // Dest. Network Address
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#define IPXH_DESTNODE 10 // Dest. Node Address
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#define IPXH_DESTSOCK 16 // Dest. Socket Number
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#define IPXH_SRCADDR 18 // Source Address (Total)
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#define IPXH_SRCNET 18 // Source Network Address
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#define IPXH_SRCNODE 22 // Source Node Address
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#define IPXH_SRCSOCK 28 // Source Socket Number
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//*** Packet Types we care about
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#define IPX_NETBIOS_TYPE 20 // Netbios propagated packet
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//*** Socket Numbers we care about
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#define IPX_NETBIOS_SOCKET ((USHORT)0x0455)
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#define IPX_SAP_SOCKET ((USHORT)0x0452)
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#define IPX_SMB_NAME_SOCKET ((USHORT)0x0551)
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//*** maximum nr of hops for a normal packet ***
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#define IPX_MAX_HOPS 16
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//*** offsets into the netbios name frames ***
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#define NB_NAME_TYPE_FLAG 62
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#define NB_DATA_STREAM_TYPE2 63
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#define NB_NAME 64
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#define NB_TOTAL_DATA_LENGTH 80
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// *** offsets into smb name claim/query frames
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#define SMB_OPERATION 62
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#define SMB_NAME_TYPE 63
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#define SMB_MESSAGE_IF 64
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#define SMB_NAME 66
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// Some commonly used macros
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#define IPX_NODE_CPY(dst,src) memcpy(dst,src,6)
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#define IPX_NODE_CMP(node1,node2) memcmp(node1,node2,6)
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#define IPX_NET_CPY(dst,src) memcpy(dst,src,4)
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#define IPX_NET_CMP(net1,net2) memcmp(net1,net2,4)
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#define NB_NAME_CPY(dst,src) strncpy((char *)dst,(char *)src,16)
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#define NB_NAME_CMP(name1,name2) strncmp((char *)name1,(char *)name2,16)
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// Make sure the structure is copied with DWORD granularity
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#define IF_STATS_CPY(dst,src) \
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(dst)->OperationalState = (src)->OperationalState; \
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(dst)->MaxPacketSize = (src)->MaxPacketSize; \
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(dst)->InHdrErrors = (src)->InHdrErrors; \
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(dst)->InFiltered = (src)->InFiltered; \
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(dst)->InNoRoutes = (src)->InNoRoutes; \
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(dst)->InDiscards = (src)->InDiscards; \
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(dst)->InDelivers = (src)->InDelivers; \
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(dst)->OutFiltered = (src)->OutFiltered; \
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(dst)->OutDiscards = (src)->OutDiscards; \
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(dst)->OutDelivers = (src)->OutDelivers; \
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(dst)->NetbiosReceived = (src)->NetbiosReceived; \
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(dst)->NetbiosSent = (src)->NetbiosSent;
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// Extensions to list macros
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#define InitializeListEntry(entry) InitializeListHead(entry)
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#define IsListEntry(entry) IsListEmpty(entry)
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#define IsSingleEntry(head) ((head)->Flink==(head)->Blink)
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// Conversions from/to on-the-wire format
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#define GETUSHORT(src) ( \
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(USHORT)( \
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(((UCHAR *)src)[0]<<8) \
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+ (((UCHAR *)src)[1]) \
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) \
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)
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#define GETULONG(src) ( \
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(ULONG)( \
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(((UCHAR *)src)[0]<<24) \
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+ (((UCHAR *)src)[1]<<16) \
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+ (((UCHAR *)src)[2]<<8) \
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+ (((UCHAR *)src)[3]) \
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) \
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)
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#define PUTUSHORT(src,dst) { \
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((UCHAR *)dst)[0] = ((UCHAR)(src>>8)); \
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((UCHAR *)dst)[1] = ((UCHAR)src); \
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}
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#define PUTULONG(src,dst) { \
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((UCHAR *)dst)[0] = ((UCHAR)(src>>24)); \
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((UCHAR *)dst)[1] = ((UCHAR)(src>>16)); \
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((UCHAR *)dst)[2] = ((UCHAR)(src>>8)); \
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((UCHAR *)dst)[3] = ((UCHAR)src); \
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}
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#endif
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