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65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS TCP/IP protocol driver
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* FILE: include/receive.h
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* PURPOSE: Internet Protocol receive prototypes
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*/
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#pragma once
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#include <ip.h>
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/* Number of timeout ticks before destroying the IPDR */
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#define MAX_TIMEOUT_COUNT 10
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/* IP datagram fragment descriptor. Used to store IP datagram fragments */
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typedef struct IP_FRAGMENT {
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LIST_ENTRY ListEntry; /* Entry on list */
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PVOID Data; /* Pointer to fragment data */
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UINT Offset; /* Offset into datagram where this fragment is */
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UINT Size; /* Size of this fragment */
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} IP_FRAGMENT, *PIP_FRAGMENT;
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/* IP datagram hole descriptor. Used to reassemble IP datagrams */
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typedef struct IPDATAGRAM_HOLE {
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LIST_ENTRY ListEntry; /* Entry on list */
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UINT First; /* Offset of first octet of the hole */
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UINT Last; /* Offset of last octet of the hole */
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} IPDATAGRAM_HOLE, *PIPDATAGRAM_HOLE;
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/* IP datagram reassembly information */
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typedef struct IPDATAGRAM_REASSEMBLY {
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LIST_ENTRY ListEntry; /* Entry on list */
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KSPIN_LOCK Lock; /* Protecting spin lock */
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UINT DataSize; /* Size of datagram data area */
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IP_ADDRESS SrcAddr; /* Source address */
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IP_ADDRESS DstAddr; /* Destination address */
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UCHAR Protocol; /* Internet Protocol number */
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USHORT Id; /* Identification number */
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IP_HEADER IPv4Header; /* Pointer to IP header */
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UINT HeaderSize; /* Length of IP header */
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LIST_ENTRY FragmentListHead; /* IP fragment list */
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LIST_ENTRY HoleListHead; /* IP datagram hole list */
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UINT TimeoutCount; /* Timeout counter */
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} IPDATAGRAM_REASSEMBLY, *PIPDATAGRAM_REASSEMBLY;
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extern LIST_ENTRY ReassemblyListHead;
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extern KSPIN_LOCK ReassemblyListLock;
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extern NPAGED_LOOKASIDE_LIST IPDRList;
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extern NPAGED_LOOKASIDE_LIST IPFragmentList;
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extern NPAGED_LOOKASIDE_LIST IPHoleList;
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VOID IPFreeReassemblyList(
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VOID);
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VOID IPDatagramReassemblyTimeout(
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VOID);
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VOID IPReceive(
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PIP_INTERFACE IF,
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PIP_PACKET IPPacket);
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/* EOF */
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