144 lines
3.5 KiB
C
144 lines
3.5 KiB
C
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/*++
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Copyright (c) 1992 Microsoft Corporation
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Module Name:
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atkind.h
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Abstract:
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Author:
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Nikhil Kamkolkar (nikhilk@microsoft.com)
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Revision History:
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22 Oct 1993 Initial Version
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Notes: Tab stop: 4
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--*/
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#ifndef _ATKIND_
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#define _ATKIND_
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// Different subtypes for ATP indication type.
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#define ATP_ALLOC_BUF 0
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#define ATP_USER_BUF 1
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#define ATP_USER_BUFX 2 // Do not indicate the packet to Atp with this.
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ATALK_ERROR
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AtalkIndAtpPkt(
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IN PPORT_DESCRIPTOR pPortDesc,
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IN PBYTE pLookahead,
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IN USHORT PktLen,
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IN OUT PUINT pXferOffset,
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IN PBYTE pLinkHdr,
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IN BOOLEAN ShortDdpHdr,
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OUT PBYTE SubType,
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OUT PBYTE * ppPacket,
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OUT PNDIS_PACKET * pNdisPkt);
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ATALK_ERROR
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AtalkIndAtpCacheSocket(
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IN struct _ATP_ADDROBJ * pAtpAddr,
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IN PPORT_DESCRIPTOR pPortDesc);
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VOID
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AtalkIndAtpUnCacheSocket(
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IN struct _ATP_ADDROBJ * pAtpAddr);
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// VOID
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// AtalkIndAtpSetupNdisBuffer(
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// IN OUT PATP_REQ pAtpReq,
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// IN ULONG MaxSinglePktSize);
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//
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#define AtalkIndAtpSetupNdisBuffer(pAtpReq, MaxSinglePktSize) \
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{ \
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NDIS_STATUS ndisStatus; \
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PNDIS_BUFFER ndisBuffer; \
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USHORT seqNum = 0; \
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USHORT startOffset = 0; \
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SHORT BufLen = (SHORT)pAtpReq->req_RespBufLen;\
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\
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RtlZeroMemory(pAtpReq->req_NdisBuf, \
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sizeof(PVOID) * ATP_MAX_RESP_PKTS); \
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\
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while (BufLen > 0) \
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{ \
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NdisCopyBuffer(&ndisStatus, \
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&ndisBuffer, \
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AtalkNdisBufferPoolHandle, \
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(PVOID)pAtpReq->req_RespBuf, \
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startOffset, \
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(UINT)MIN(BufLen, \
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(SHORT)MaxSinglePktSize)); \
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\
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if (ndisStatus != NDIS_STATUS_SUCCESS) \
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break; \
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\
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pAtpReq->req_NdisBuf[seqNum++] = ndisBuffer; \
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startOffset += (USHORT)MaxSinglePktSize; \
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BufLen -= (SHORT)MaxSinglePktSize; \
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} \
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}
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// VOID
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// AtalkIndAtpReleaseNdisBuffer(
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// IN OUT PATP_REQ pAtpReq);
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//
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#define AtalkIndAtpReleaseNdisBuffer(pAtpReq) \
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{ \
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LONG _i; \
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\
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for (_i = 0; _i < ATP_MAX_RESP_PKTS; _i++) \
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{ \
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if ((pAtpReq)->req_NdisBuf[_i] != NULL) \
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NdisFreeBuffer((pAtpReq)->req_NdisBuf[_i]); \
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} \
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}
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// ATALK_ERROR
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// AtalkIndAtpCacheLkUpSocket(
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// IN PATALK_ADDR pDestAddr,
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// OUT struct _ATP_ADDROBJ ** ppAtpAddr,
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// OUT ATALK_ERROR * pError);
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//
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#define AtalkIndAtpCacheLkUpSocket(pDestAddr, ppAtpAddr, pError) \
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{ \
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USHORT i; \
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struct ATALK_CACHED_SKT *pCachedSkt; \
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\
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*(pError) = ATALK_FAILURE; \
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\
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if (((pDestAddr)->ata_Network == AtalkSktCache.ac_Network) && \
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((pDestAddr)->ata_Node == AtalkSktCache.ac_Node)) \
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{ \
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ACQUIRE_SPIN_LOCK_DPC(&AtalkSktCacheLock); \
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\
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for (i = 0, pCachedSkt = &AtalkSktCache.ac_Cache[0]; \
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i < ATALK_CACHE_SKTMAX; \
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i++, pCachedSkt++) \
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{ \
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if ((pCachedSkt->Type == (ATALK_CACHE_INUSE | ATALK_CACHE_ATPSKT)) && \
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(pCachedSkt->Socket == (pDestAddr)->ata_Socket))\
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{ \
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AtalkAtpAddrReferenceDpc(pCachedSkt->u.pAtpAddr,\
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pError); \
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\
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if (ATALK_SUCCESS(*pError)) \
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{ \
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*(ppAtpAddr) = pCachedSkt->u.pAtpAddr; \
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} \
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break; \
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} \
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} \
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\
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RELEASE_SPIN_LOCK_DPC(&AtalkSktCacheLock); \
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} \
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}
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#endif
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