680 lines
18 KiB
C
680 lines
18 KiB
C
|
|
||
|
|
/*+++
|
||
|
|
|
||
|
|
Copyright (c) 1992 Microsoft Corporation
|
||
|
|
|
||
|
|
Module Name:
|
||
|
|
|
||
|
|
ddp.h
|
||
|
|
|
||
|
|
Abstract:
|
||
|
|
|
||
|
|
This module contains the DDP address object and ddp related definitions
|
||
|
|
|
||
|
|
Author:
|
||
|
|
|
||
|
|
Jameel Hyder (jameelh@microsoft.com)
|
||
|
|
Nikhil Kamkolkar (nikhilk@microsoft.com)
|
||
|
|
|
||
|
|
Revision History:
|
||
|
|
19 Jun 1992 Initial Version
|
||
|
|
|
||
|
|
Notes: Tab stop: 4
|
||
|
|
--*/
|
||
|
|
|
||
|
|
#ifndef _DDP_
|
||
|
|
#define _DDP_
|
||
|
|
|
||
|
|
// Network number information.
|
||
|
|
#define FIRST_VALID_NETWORK 0x0001
|
||
|
|
#define LAST_VALID_NETWORK 0xFFFE
|
||
|
|
#define FIRST_STARTUP_NETWORK 0xFF00
|
||
|
|
#define LAST_STARTUP_NETWORK 0xFFFE
|
||
|
|
#define NULL_NETWORK 0x0000
|
||
|
|
#define UNKNOWN_NETWORK NULL_NETWORK
|
||
|
|
#define CABLEWIDE_BROADCAST_NETWORK NULL_NETWORK
|
||
|
|
|
||
|
|
// Appletalk Sockets Definitions
|
||
|
|
#define UNKNOWN_SOCKET 0
|
||
|
|
#define DYNAMIC_SOCKET UNKNOWN_SOCKET
|
||
|
|
#define LAST_VALID_SOCKET 254
|
||
|
|
#define FIRST_DYNAMIC_SOCKET 128
|
||
|
|
#define LAST_DYNAMIC_SOCKET LAST_VALID_SOCKET
|
||
|
|
#define FIRST_STATIC_SOCKET 1
|
||
|
|
#define FIRST_VALID_SOCKET FIRST_STATIC_SOCKET
|
||
|
|
#define LAST_STATIC_SOCKET 127
|
||
|
|
|
||
|
|
// "Well known" sockets:
|
||
|
|
#define RTMP_SOCKET 1 // RTMP
|
||
|
|
#define NAMESINFORMATION_SOCKET 2 // NBP
|
||
|
|
#define ECHOER_SOCKET 4 // EP
|
||
|
|
#define ZONESINFORMATION_SOCKET 6 // ZIP
|
||
|
|
|
||
|
|
#define LAST_APPLE_RESD_SOCKET 0x3F // Apple reserves 1 thru 0x3F
|
||
|
|
|
||
|
|
// DDP Datagram Definitions
|
||
|
|
#define MAX_DGRAM_SIZE 586
|
||
|
|
#define MAX_LDDP_PKT_SIZE 600 // Really 599, but even is nicer
|
||
|
|
#define MAX_SDDP_PKT_SIZE 592 // Again, really 591
|
||
|
|
|
||
|
|
// Define temporary buffer sizes, these must be big enough to hold both all
|
||
|
|
// of the packet data plus any link/hardware headers...
|
||
|
|
#define MAX_PKT_SIZE (MAX_HDR_LEN + MAX_LDDP_PKT_SIZE)
|
||
|
|
|
||
|
|
#define DDP_LEN_MASK1 0x03 // High order 3 bits of length
|
||
|
|
#define DDP_LEN_MASK2 0xFF // Next byte of length
|
||
|
|
|
||
|
|
// DDP packet offsets (skipping Link/Hardware headers):
|
||
|
|
#define SDDP_HDR_LEN 5
|
||
|
|
|
||
|
|
#define SDDP_LEN_OFFSET 0
|
||
|
|
#define SDDP_DEST_SOCKET_OFFSET 2
|
||
|
|
#define SDDP_SRC_SOCKET_OFFSET 3
|
||
|
|
#define SDDP_PROTO_TYPE_OFFSET 4
|
||
|
|
#define SDDP_DGRAM_OFFSET 5
|
||
|
|
|
||
|
|
#define LDDP_HDR_LEN 13
|
||
|
|
|
||
|
|
#define LDDP_LEN_OFFSET 0
|
||
|
|
#define LDDP_CHECKSUM_OFFSET 2
|
||
|
|
#define LDDP_DEST_NETWORK_OFFSET 4
|
||
|
|
#define LDDP_SRC_NETWORK_OFFSET 6
|
||
|
|
#define LDDP_DEST_NODE_OFFSET 8
|
||
|
|
#define LDDP_SRC_NODE_OFFSET 9
|
||
|
|
#define LDDP_DEST_SOCKET_OFFSET 10
|
||
|
|
#define LDDP_SRC_SOCKET_OFFSET 11
|
||
|
|
#define LDDP_PROTO_TYPE_OFFSET 12
|
||
|
|
#define LDDP_DGRAM_OFFSET 13
|
||
|
|
|
||
|
|
#define LEADING_UNCHECKSUMED_BYTES 4
|
||
|
|
#define LDDP_HOPCOUNT_MASK 0x3C
|
||
|
|
|
||
|
|
#define DECIMAL_BASE 10
|
||
|
|
|
||
|
|
// DDP protocol types:
|
||
|
|
#define DDPPROTO_ANY 0 // Used to allow any protocol packet
|
||
|
|
|
||
|
|
#define DDPPROTO_DDP 0
|
||
|
|
#define DDPPROTO_RTMPRESPONSEORDATA 1
|
||
|
|
#define DDPPROTO_NBP 2
|
||
|
|
#define DDPPROTO_ATP 3
|
||
|
|
#define DDPPROTO_EP 4
|
||
|
|
#define DDPPROTO_RTMPREQUEST 5
|
||
|
|
#define DDPPROTO_ZIP 6
|
||
|
|
#define DDPPROTO_ADSP 7
|
||
|
|
#define DDPPROTO_MAX 255
|
||
|
|
|
||
|
|
typedef struct _DDPEVENT_INFO
|
||
|
|
{
|
||
|
|
// Event handler routines: DDP Only has RecvDatagram/Error handlers
|
||
|
|
|
||
|
|
// The following function pointer always points to a TDI_IND_RECEIVE_DATAGRAM
|
||
|
|
// event handler for the address.
|
||
|
|
PTDI_IND_RECEIVE_DATAGRAM ev_RcvDgramHandler;
|
||
|
|
PVOID ev_RcvDgramCtx;
|
||
|
|
|
||
|
|
// The following function pointer always points to a TDI_IND_ERROR
|
||
|
|
// handler for the address.
|
||
|
|
PTDI_IND_ERROR ev_ErrHandler;
|
||
|
|
PVOID ev_ErrCtx;
|
||
|
|
PVOID ev_ErrOwner;
|
||
|
|
|
||
|
|
// Winsock assumes a buffering transport. So we buffer the last datagram
|
||
|
|
// indicated that was not accepted.
|
||
|
|
BYTE ev_IndDgram[MAX_DGRAM_SIZE];
|
||
|
|
int ev_IndDgramLen;
|
||
|
|
int ev_IndProto;
|
||
|
|
|
||
|
|
// Source address of buffered datagram
|
||
|
|
ATALK_ADDR ev_IndSrc;
|
||
|
|
|
||
|
|
} DDPEVENT_INFO, *PDDPEVENT_INFO;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// Handler type for the DDP address object
|
||
|
|
typedef VOID (*DDPAO_HANDLER)(
|
||
|
|
IN PPORT_DESCRIPTOR pPortDesc,
|
||
|
|
IN struct _DDP_ADDROBJ *pAddr,
|
||
|
|
IN PBYTE pPkt,
|
||
|
|
IN USHORT pPktLen,
|
||
|
|
IN PATALK_ADDR pSrcAddr,
|
||
|
|
IN PATALK_ADDR pActDest,
|
||
|
|
IN ATALK_ERROR ErrorCode,
|
||
|
|
IN BYTE pDdpType,
|
||
|
|
IN PVOID pHandlerCtx,
|
||
|
|
IN BOOLEAN OptimizedPath,
|
||
|
|
IN PVOID OptimizeCtx);
|
||
|
|
|
||
|
|
// DDP Address Object
|
||
|
|
// This is the basic address object in the stack. All other address objects
|
||
|
|
// eventually resolve to this one. It also holds the AppletalkSocket opened
|
||
|
|
// as its actual address. One address object corresponds to one address.
|
||
|
|
|
||
|
|
// DDP ADDRESS OBJECT STATES
|
||
|
|
#define DDPAO_DGRAM_EVENT 0x00000001
|
||
|
|
#define DDPAO_DGRAM_ACTIVE 0x00000002
|
||
|
|
#define DDPAO_DGRAM_PENDING 0x00000004
|
||
|
|
#define DDPAO_SOCK_INTERNAL 0x00000008
|
||
|
|
#define DDPAO_SOCK_PNPZOMBIE 0x00000010
|
||
|
|
#define DDPAO_CLOSING 0x80000000
|
||
|
|
|
||
|
|
|
||
|
|
#define DDPAO_SIGNATURE (*(PULONG)"DDPA")
|
||
|
|
#define VALID_DDP_ADDROBJ(pDdpAddr) (((pDdpAddr) != NULL) && \
|
||
|
|
(((struct _DDP_ADDROBJ *)(pDdpAddr))->ddpao_Signature == DDPAO_SIGNATURE))
|
||
|
|
typedef struct _DDP_ADDROBJ
|
||
|
|
{
|
||
|
|
ULONG ddpao_Signature;
|
||
|
|
|
||
|
|
// This will be a hash overflow list. Hash on the internet address.
|
||
|
|
// List of address objects on the node linkage
|
||
|
|
struct _DDP_ADDROBJ * ddpao_Next;
|
||
|
|
|
||
|
|
ULONG ddpao_RefCount;
|
||
|
|
|
||
|
|
// State of the address object
|
||
|
|
ULONG ddpao_Flags;
|
||
|
|
|
||
|
|
// Backpointer to the node on which this socket exists
|
||
|
|
struct _ATALK_NODE * ddpao_Node;
|
||
|
|
|
||
|
|
// The Appletalk address number for this object
|
||
|
|
ATALK_ADDR ddpao_Addr;
|
||
|
|
|
||
|
|
// List of NBP names registered on this socket
|
||
|
|
struct _REGD_NAME * ddpao_RegNames;
|
||
|
|
|
||
|
|
// List of NBP names being looked up, registered or confirmed on
|
||
|
|
// this socket.
|
||
|
|
struct _PEND_NAME * ddpao_PendNames;
|
||
|
|
|
||
|
|
// Linked list of pending ddp reads
|
||
|
|
LIST_ENTRY ddpao_ReadLinkage;
|
||
|
|
|
||
|
|
// The protocol type to use for datagrams sent on this socket and
|
||
|
|
// which can be received on this socket. 0 => no restrictions.
|
||
|
|
BYTE ddpao_Protocol;
|
||
|
|
|
||
|
|
ATALK_SPIN_LOCK ddpao_Lock;
|
||
|
|
PATALK_DEV_CTX ddpao_DevCtx;
|
||
|
|
|
||
|
|
// The handler below is an listener for the upper layers. Note that
|
||
|
|
// this will take precedence over a incoming datagram event handler
|
||
|
|
// which would be set in ddpao_EventInfo.
|
||
|
|
DDPAO_HANDLER ddpao_Handler;
|
||
|
|
PVOID ddpao_HandlerCtx;
|
||
|
|
|
||
|
|
// This structure is allocated when setting an event handler
|
||
|
|
// on this socket. All the event handler addresses are part of this
|
||
|
|
// structure.
|
||
|
|
PDDPEVENT_INFO ddpao_EventInfo;
|
||
|
|
|
||
|
|
// Completion routine to be called when socket is closed
|
||
|
|
GENERIC_COMPLETION ddpao_CloseComp;
|
||
|
|
PVOID ddpao_CloseCtx;
|
||
|
|
} DDP_ADDROBJ, *PDDP_ADDROBJ;
|
||
|
|
|
||
|
|
// Receive datagram completion: This will return the mdl we pass in along
|
||
|
|
// with the received length written into the mdl. Also, the protocol type
|
||
|
|
// and the RemoteAddress are passed back. The receive context will be the
|
||
|
|
// irp for the request. As will be the send context.
|
||
|
|
typedef VOID (*RECEIVE_COMPLETION)(
|
||
|
|
IN ATALK_ERROR ErrorCode,
|
||
|
|
IN PAMDL OpaqueBuffer,
|
||
|
|
IN USHORT LengthReceived,
|
||
|
|
IN PATALK_ADDR RemoteAddress,
|
||
|
|
IN PVOID ReceiveContext);
|
||
|
|
|
||
|
|
typedef VOID (FASTCALL *WRITE_COMPLETION)(
|
||
|
|
IN NDIS_STATUS Status,
|
||
|
|
IN PVOID Ctx);
|
||
|
|
|
||
|
|
typedef VOID (FASTCALL *TRANSMIT_COMPLETION)(
|
||
|
|
IN NDIS_STATUS Status,
|
||
|
|
IN struct _SEND_COMPL_INFO * pInfo);
|
||
|
|
|
||
|
|
// If the above routine was set in the AtalkDdpSend(), then
|
||
|
|
// then context values would be:
|
||
|
|
// Ctx1 = pddp address object
|
||
|
|
// Ctx2 = pbuffer descriptor
|
||
|
|
// Ctx3 = Only for DdpWrite calls, this will be a pointer to the
|
||
|
|
// write structure enqueued in the ddp address object.
|
||
|
|
//
|
||
|
|
// If the above routine was set in the AtalkDdpTransmit(), then
|
||
|
|
// the context values would be (as specified by the client of
|
||
|
|
// course):
|
||
|
|
// Ctx1 = pport descriptor
|
||
|
|
// Ctx2 = pbuffer descriptor
|
||
|
|
// Ctx3 = not used.
|
||
|
|
//
|
||
|
|
// These are only suggested ideas, but probably is what the internal
|
||
|
|
// stack routines will use.
|
||
|
|
|
||
|
|
// This is used to store a pending read on a particular socket.
|
||
|
|
typedef struct _DDP_READ
|
||
|
|
{
|
||
|
|
// Linkage chain for reads on a socket.
|
||
|
|
LIST_ENTRY dr_Linkage;
|
||
|
|
|
||
|
|
PAMDL dr_OpBuf;
|
||
|
|
USHORT dr_OpBufLen;
|
||
|
|
|
||
|
|
RECEIVE_COMPLETION dr_RcvCmp;
|
||
|
|
PVOID dr_RcvCtx;
|
||
|
|
|
||
|
|
} DDP_READ, *PDDP_READ;
|
||
|
|
|
||
|
|
|
||
|
|
// This is used to store a pending write on a particular socket
|
||
|
|
// DDP will create a buffer descriptor for the header
|
||
|
|
// and will chain it in front of the buffer descriptor passed in.
|
||
|
|
// A pointer to this structure will then be passed as a completion
|
||
|
|
// context to DdpSend.
|
||
|
|
typedef struct _DDP_WRITE
|
||
|
|
{
|
||
|
|
// Linkage chain for writes on a socket.
|
||
|
|
LIST_ENTRY dw_Linkage;
|
||
|
|
|
||
|
|
// The buffer descriptor chain, including the ddp buffer
|
||
|
|
// descriptor containing the ddp/optional/link headers.
|
||
|
|
PBUFFER_DESC dw_BufferDesc;
|
||
|
|
|
||
|
|
// Write completion
|
||
|
|
// This will be called with the context (which will be a pointer
|
||
|
|
// to the write irp) after the write completes.
|
||
|
|
WRITE_COMPLETION dw_WriteRoutine;
|
||
|
|
PVOID dw_WriteCtx;
|
||
|
|
|
||
|
|
} DDP_WRITE, *PDDP_WRITE;
|
||
|
|
|
||
|
|
//
|
||
|
|
// CANCEL IRP Functionality for NT:
|
||
|
|
//
|
||
|
|
// We have decided that if we receive a cancel irp for a particular request,
|
||
|
|
// we will shutdown the file object associated with that request, whether it
|
||
|
|
// be a connection object or an address object. This implies that the socket/
|
||
|
|
// connection/listener will be closed, thus cancelling *all* pending requests.
|
||
|
|
//
|
||
|
|
|
||
|
|
ATALK_ERROR
|
||
|
|
AtalkDdpOpenAddress(
|
||
|
|
IN PPORT_DESCRIPTOR pPortDesc,
|
||
|
|
IN BYTE Socket,
|
||
|
|
IN OUT PATALK_NODEADDR pDesiredNode OPTIONAL,
|
||
|
|
IN DDPAO_HANDLER pSktHandler OPTIONAL,
|
||
|
|
IN PVOID pSktCtx OPTIONAL,
|
||
|
|
IN BYTE ProtoType OPTIONAL,
|
||
|
|
IN PATALK_DEV_CTX pDevCtx,
|
||
|
|
OUT PDDP_ADDROBJ * pAddr);
|
||
|
|
|
||
|
|
ATALK_ERROR
|
||
|
|
AtalkDdpCloseAddress(
|
||
|
|
IN PDDP_ADDROBJ pAddr,
|
||
|
|
IN GENERIC_COMPLETION pCloseCmp OPTIONAL,
|
||
|
|
IN PVOID pCloseCtx OPTIONAL);
|
||
|
|
|
||
|
|
ATALK_ERROR
|
||
|
|
AtalkDdpPnPSuspendAddress(
|
||
|
|
IN PDDP_ADDROBJ pDdpAddr);
|
||
|
|
|
||
|
|
ATALK_ERROR
|
||
|
|
AtalkDdpCleanupAddress(
|
||
|
|
IN PDDP_ADDROBJ pAddr);
|
||
|
|
|
||
|
|
ATALK_ERROR
|
||
|
|
AtalkDdpInitCloseAddress(
|
||
|
|
IN PPORT_DESCRIPTOR pPortDesc,
|
||
|
|
IN PATALK_ADDR pAtalkAddr);
|
||
|
|
|
||
|
|
ATALK_ERROR
|
||
|
|
AtalkInitDdpOpenStaticSockets(
|
||
|
|
IN PPORT_DESCRIPTOR pPortDesc,
|
||
|
|
IN OUT PATALK_NODE pNode);
|
||
|
|
|
||
|
|
ATALK_ERROR
|
||
|
|
AtalkDdpReceive(
|
||
|
|
IN PDDP_ADDROBJ pAddr,
|
||
|
|
IN PAMDL pAmdl,
|
||
|
|
IN USHORT AmdlLen,
|
||
|
|
IN ULONG RecvFlags,
|
||
|
|
IN RECEIVE_COMPLETION pRcvCmp,
|
||
|
|
IN PVOID pRcvCtx);
|
||
|
|
|
||
|
|
ATALK_ERROR
|
||
|
|
AtalkDdpSend(
|
||
|
|
IN PDDP_ADDROBJ pDdpAddr,
|
||
|
|
IN PATALK_ADDR DestAddr,
|
||
|
|
IN BYTE ProtoType,
|
||
|
|
IN BOOLEAN DefinitelyRemoteAddr,
|
||
|
|
IN PBUFFER_DESC pBufDesc,
|
||
|
|
IN PBYTE pOptHdr OPTIONAL,
|
||
|
|
IN USHORT OptHdrLen OPTIONAL,
|
||
|
|
IN PBYTE pZoneMcastAddr OPTIONAL,
|
||
|
|
IN struct _SEND_COMPL_INFO * pInfo OPTIONAL);
|
||
|
|
|
||
|
|
ATALK_ERROR
|
||
|
|
AtalkDdpTransmit(
|
||
|
|
IN PPORT_DESCRIPTOR pPortDesc,
|
||
|
|
IN PATALK_ADDR SrcAddr,
|
||
|
|
IN PATALK_ADDR DestAddr,
|
||
|
|
IN BYTE ProtoType,
|
||
|
|
IN PBUFFER_DESC pBufDesc,
|
||
|
|
IN PBYTE pOptHdr OPTIONAL,
|
||
|
|
IN USHORT OptHdrLen OPTIONAL,
|
||
|
|
IN USHORT HopCnt,
|
||
|
|
IN PBYTE pMcastAddr OPTIONAL,
|
||
|
|
IN PATALK_NODEADDR pXmitDestNode OPTIONAL,
|
||
|
|
IN struct _SEND_COMPL_INFO * pInfo OPTIONAL);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
AtalkDdpSendComplete(
|
||
|
|
IN NDIS_STATUS Status,
|
||
|
|
IN PBUFFER_DESC pBufDesc,
|
||
|
|
IN struct _SEND_COMPL_INFO * pInfo OPTIONAL);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
AtalkDdpPacketIn(
|
||
|
|
IN PPORT_DESCRIPTOR pPortDesc,
|
||
|
|
IN PBYTE pLinkHdr,
|
||
|
|
IN PBYTE pPkt,
|
||
|
|
IN USHORT PktLen,
|
||
|
|
IN BOOLEAN fWanPkt);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
AtalkDdpQuery(
|
||
|
|
IN PDDP_ADDROBJ pDdpAddr,
|
||
|
|
IN PAMDL pAmdl,
|
||
|
|
OUT PULONG BytesWritten);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
AtalkDdpRefByAddr(
|
||
|
|
IN PPORT_DESCRIPTOR pPortDesc,
|
||
|
|
IN PATALK_ADDR pAtalkAddr,
|
||
|
|
OUT PDDP_ADDROBJ * ppDdpAddr,
|
||
|
|
OUT PATALK_ERROR pErr);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
AtalkDdpRefByAddrNode(
|
||
|
|
IN PPORT_DESCRIPTOR pPortDesc,
|
||
|
|
IN PATALK_ADDR pAtalkAddr,
|
||
|
|
IN PATALK_NODE pAtalkNode,
|
||
|
|
OUT PDDP_ADDROBJ * ppDdpAddr,
|
||
|
|
OUT PATALK_ERROR pErr);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
AtalkDdpRefNextNc(
|
||
|
|
IN PDDP_ADDROBJ pDdpAddr,
|
||
|
|
IN PDDP_ADDROBJ * ppDdpAddr,
|
||
|
|
OUT PATALK_ERROR pErr);
|
||
|
|
|
||
|
|
VOID FASTCALL
|
||
|
|
AtalkDdpDeref(
|
||
|
|
IN OUT PDDP_ADDROBJ pDdpAddr,
|
||
|
|
IN BOOLEAN AtDpc);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
AtalkDdpOutBufToNodesOnPort(
|
||
|
|
IN PPORT_DESCRIPTOR pPortDesc,
|
||
|
|
IN PATALK_ADDR pSrc,
|
||
|
|
IN PATALK_ADDR pDest,
|
||
|
|
IN BYTE ProtoType,
|
||
|
|
IN PBUFFER_DESC pBufDesc,
|
||
|
|
IN PBYTE pOptHdr,
|
||
|
|
IN USHORT OptHdrLen,
|
||
|
|
OUT PBOOLEAN Delivered);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
AtalkDdpInPktToNodesOnPort(
|
||
|
|
IN PPORT_DESCRIPTOR pPortDesc,
|
||
|
|
IN PATALK_ADDR pDest,
|
||
|
|
IN PATALK_ADDR pSrc,
|
||
|
|
IN BYTE ProtoType,
|
||
|
|
IN PBYTE pPkt,
|
||
|
|
IN USHORT PktLen,
|
||
|
|
OUT PBOOLEAN Routed);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
AtalkDdpInvokeHandlerBufDesc(
|
||
|
|
IN PPORT_DESCRIPTOR pPortDesc,
|
||
|
|
IN PDDP_ADDROBJ pDdpAddr,
|
||
|
|
IN PATALK_ADDR pSrcAddr,
|
||
|
|
IN PATALK_ADDR pActDest,
|
||
|
|
IN BYTE ProtoType,
|
||
|
|
IN PBUFFER_DESC pBufDesc,
|
||
|
|
IN PBYTE pOptHdr,
|
||
|
|
IN USHORT OptHdrLen);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
AtalkDdpInvokeHandler(
|
||
|
|
IN PPORT_DESCRIPTOR pPortDesc,
|
||
|
|
IN PDDP_ADDROBJ pDdpAddr,
|
||
|
|
IN PATALK_ADDR pSrcAddr,
|
||
|
|
IN PATALK_ADDR pActDest,
|
||
|
|
IN BYTE ProtoType,
|
||
|
|
IN PBYTE pPkt,
|
||
|
|
IN USHORT PktLen);
|
||
|
|
|
||
|
|
USHORT
|
||
|
|
AtalkDdpCheckSumBuffer(
|
||
|
|
IN PBYTE Buffer,
|
||
|
|
IN USHORT BufLen,
|
||
|
|
IN USHORT CurrentCheckSum);
|
||
|
|
|
||
|
|
USHORT
|
||
|
|
AtalkDdpCheckSumBufferDesc(
|
||
|
|
IN PBUFFER_DESC pBuffDesc,
|
||
|
|
IN USHORT Offset);
|
||
|
|
|
||
|
|
USHORT
|
||
|
|
AtalkDdpCheckSumPacket(
|
||
|
|
IN PBYTE pHdr,
|
||
|
|
IN USHORT HdrLen,
|
||
|
|
IN PBYTE pPkt,
|
||
|
|
IN USHORT PktLen);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
AtalkDdpNewHandlerForSocket(
|
||
|
|
IN PDDP_ADDROBJ pDdpAddr,
|
||
|
|
IN DDPAO_HANDLER pSktHandler,
|
||
|
|
IN PVOID pSktHandlerCtx);
|
||
|
|
|
||
|
|
// MACROS
|
||
|
|
#define DDP_MSB_LEN(L) (((L) >> 8) & 0x03)
|
||
|
|
#define DDP_GET_LEN(P) ((((*P) & 0x03) << 8) + *(P+1))
|
||
|
|
#define DDP_GET_HOP_COUNT(P) (((*P) >> 2) & 0x0F)
|
||
|
|
#define DDP_HOP_COUNT(H) (((H) & 0x0F) << 2)
|
||
|
|
|
||
|
|
#if DBG
|
||
|
|
|
||
|
|
#define AtalkDdpReferenceByPtr(pDdpAddr, pErr) \
|
||
|
|
{ \
|
||
|
|
KIRQL OldIrql; \
|
||
|
|
\
|
||
|
|
ACQUIRE_SPIN_LOCK(&(pDdpAddr)->ddpao_Lock, &OldIrql); \
|
||
|
|
AtalkDdpRefByPtrNonInterlock(pDdpAddr, pErr); \
|
||
|
|
RELEASE_SPIN_LOCK(&(pDdpAddr)->ddpao_Lock, OldIrql); \
|
||
|
|
DBGPRINT(DBG_COMP_DDP, DBG_LEVEL_REFDDP, \
|
||
|
|
("AtalkDdpReferenceByPtr: %s %d PostCount %d\n",\
|
||
|
|
__FILE__, __LINE__,pDdpAddr->ddpao_RefCount)); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define AtalkDdpReferenceByPtrDpc(pDdpAddr, pErr) \
|
||
|
|
{ \
|
||
|
|
ACQUIRE_SPIN_LOCK_DPC(&(pDdpAddr)->ddpao_Lock); \
|
||
|
|
AtalkDdpRefByPtrNonInterlock(pDdpAddr, pErr); \
|
||
|
|
RELEASE_SPIN_LOCK_DPC(&(pDdpAddr)->ddpao_Lock); \
|
||
|
|
DBGPRINT(DBG_COMP_DDP, DBG_LEVEL_REFDDP, \
|
||
|
|
("AtalkDdpReferenceByPtr: %s %d PostCount %d\n",\
|
||
|
|
__FILE__, __LINE__,pDdpAddr->ddpao_RefCount)); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define AtalkDdpRefByPtrNonInterlock(pDdpAddr, pErr) \
|
||
|
|
{ \
|
||
|
|
ASSERT (VALID_DDP_ADDROBJ(pDdpAddr)); \
|
||
|
|
\
|
||
|
|
*pErr = ATALK_DDP_CLOSING; \
|
||
|
|
\
|
||
|
|
if ((pDdpAddr->ddpao_Flags & DDPAO_CLOSING) == 0) \
|
||
|
|
{ \
|
||
|
|
pDdpAddr->ddpao_RefCount++; \
|
||
|
|
*pErr = ATALK_NO_ERROR; \
|
||
|
|
} \
|
||
|
|
DBGPRINT(DBG_COMP_DDP, DBG_LEVEL_REFDDP, \
|
||
|
|
("AtalkDdpReferenceByPtrNonInterlock: %s %d PostCount %d\n",\
|
||
|
|
__FILE__, __LINE__, \
|
||
|
|
pDdpAddr->ddpao_RefCount)); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define AtalkDdpReferenceNextNc(pDdpAddr, ppDdpAddr, pErr) \
|
||
|
|
{ \
|
||
|
|
AtalkDdpRefNextNc(pDdpAddr, ppDdpAddr, pErr); \
|
||
|
|
if (ATALK_SUCCESS(*pErr)) \
|
||
|
|
{ \
|
||
|
|
DBGPRINT(DBG_COMP_DDP, DBG_LEVEL_REFDDP, \
|
||
|
|
("DdpRefNextNc : %s %d PostCount %d\n", \
|
||
|
|
__FILE__, __LINE__, \
|
||
|
|
(*ppDdpAddr)->ddpao_RefCount)); \
|
||
|
|
} \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define AtalkDdpReferenceByAddr(pPortDesc, pAddr, ppDdpAddr, pErr) \
|
||
|
|
{ \
|
||
|
|
AtalkDdpRefByAddr(pPortDesc, pAddr, ppDdpAddr, pErr); \
|
||
|
|
if (ATALK_SUCCESS(*pErr)) \
|
||
|
|
{ \
|
||
|
|
DBGPRINT(DBG_COMP_DDP, DBG_LEVEL_REFDDP, \
|
||
|
|
("AtalkDdpReferenceByAddr: %s %d PostCount %d\n",\
|
||
|
|
__FILE__, __LINE__, \
|
||
|
|
(*ppDdpAddr)->ddpao_RefCount)); \
|
||
|
|
} \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define AtalkDdpDereference(pDdpAddr) \
|
||
|
|
{ \
|
||
|
|
DBGPRINT(DBG_COMP_DDP, DBG_LEVEL_REFDDP, \
|
||
|
|
("AtalkDdpDereference: %s %d PreCount %d\n", \
|
||
|
|
__FILE__, __LINE__,pDdpAddr->ddpao_RefCount)); \
|
||
|
|
AtalkDdpDeref(pDdpAddr, FALSE); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define AtalkDdpDereferenceDpc(pDdpAddr) \
|
||
|
|
{ \
|
||
|
|
DBGPRINT(DBG_COMP_DDP, DBG_LEVEL_REFDDP, \
|
||
|
|
("AtalkDdpDereferenceDpc: %s %d PreCount %d\n", \
|
||
|
|
__FILE__, __LINE__,pDdpAddr->ddpao_RefCount)); \
|
||
|
|
AtalkDdpDeref(pDdpAddr, TRUE); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#else
|
||
|
|
#define AtalkDdpReferenceByPtr(pDdpAddr, pErr) \
|
||
|
|
{ \
|
||
|
|
KIRQL OldIrql; \
|
||
|
|
\
|
||
|
|
ACQUIRE_SPIN_LOCK(&(pDdpAddr)->ddpao_Lock, &OldIrql); \
|
||
|
|
AtalkDdpRefByPtrNonInterlock(pDdpAddr, pErr); \
|
||
|
|
RELEASE_SPIN_LOCK(&(pDdpAddr)->ddpao_Lock, OldIrql); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define AtalkDdpReferenceByPtrDpc(pDdpAddr, pErr) \
|
||
|
|
{ \
|
||
|
|
ACQUIRE_SPIN_LOCK_DPC(&(pDdpAddr)->ddpao_Lock); \
|
||
|
|
AtalkDdpRefByPtrNonInterlock(pDdpAddr, pErr); \
|
||
|
|
RELEASE_SPIN_LOCK_DPC(&(pDdpAddr)->ddpao_Lock); \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define AtalkDdpRefByPtrNonInterlock(pDdpAddr, pErr) \
|
||
|
|
{ \
|
||
|
|
*pErr = ATALK_DDP_CLOSING; \
|
||
|
|
\
|
||
|
|
if ((pDdpAddr->ddpao_Flags & DDPAO_CLOSING) == 0) \
|
||
|
|
{ \
|
||
|
|
pDdpAddr->ddpao_RefCount++; \
|
||
|
|
*pErr = ATALK_NO_ERROR; \
|
||
|
|
} \
|
||
|
|
}
|
||
|
|
|
||
|
|
#define AtalkDdpReferenceByAddr(pPortDesc, pAddr, ppDdpAddr, pErr) \
|
||
|
|
AtalkDdpRefByAddr(pPortDesc, pAddr, ppDdpAddr, pErr)
|
||
|
|
|
||
|
|
#define AtalkDdpReferenceNextNc(pDdpAddr, ppDdpAddr, pErr) \
|
||
|
|
AtalkDdpRefNextNc(pDdpAddr, ppDdpAddr, pErr)
|
||
|
|
|
||
|
|
#define AtalkDdpDereference(pDdpAddr) \
|
||
|
|
AtalkDdpDeref(pDdpAddr, FALSE)
|
||
|
|
|
||
|
|
#define AtalkDdpDereferenceDpc(pDdpAddr) \
|
||
|
|
AtalkDdpDeref(pDdpAddr, TRUE)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define NET_ON_NONEXTPORT(pPort) \
|
||
|
|
(pPort->pd_LtNetwork)
|
||
|
|
|
||
|
|
#define NODE_ON_NONEXTPORT(pPort) \
|
||
|
|
(((pPort)->pd_Nodes != NULL) ? \
|
||
|
|
(pPort)->pd_Nodes->an_NodeAddr.atn_Node : 0)
|
||
|
|
|
||
|
|
ATALK_ERROR
|
||
|
|
atalkDdpAllocSocketOnNode(
|
||
|
|
IN PPORT_DESCRIPTOR pPortDesc,
|
||
|
|
IN BYTE Socket,
|
||
|
|
IN PATALK_NODE pAtalkNode,
|
||
|
|
IN DDPAO_HANDLER pSktHandler OPTIONAL,
|
||
|
|
IN PVOID pSktCtx OPTIONAL,
|
||
|
|
IN BYTE ProtoType OPTIONAL,
|
||
|
|
IN PATALK_DEV_CTX pDevCtx,
|
||
|
|
OUT PDDP_ADDROBJ pDdpAddr);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
atalkDdpInitCloseComplete(
|
||
|
|
IN ATALK_ERROR Error,
|
||
|
|
IN PVOID Ctx);
|
||
|
|
|
||
|
|
/*
|
||
|
|
PBRE
|
||
|
|
atalkDdpFindInBrc(
|
||
|
|
IN PPORT_DESCRIPTOR pPortDesc,
|
||
|
|
IN PATALK_NODEADDR pDestNodeAddr);
|
||
|
|
*/
|
||
|
|
#define atalkDdpFindInBrc(_pPortDesc, _Network, _ppBre) \
|
||
|
|
{ \
|
||
|
|
USHORT index; \
|
||
|
|
KIRQL OldIrql; \
|
||
|
|
PBRE pBre; \
|
||
|
|
\
|
||
|
|
index = (_Network) & (PORT_BRC_HASH_SIZE - 1); \
|
||
|
|
\
|
||
|
|
ACQUIRE_SPIN_LOCK(&(_pPortDesc)->pd_Lock, &OldIrql); \
|
||
|
|
\
|
||
|
|
for (pBre = (_pPortDesc)->pd_Brc[index]; \
|
||
|
|
pBre != NULL; \
|
||
|
|
pBre = pBre->bre_Next) \
|
||
|
|
{ \
|
||
|
|
if ((_Network) == pBre->bre_Network) \
|
||
|
|
{ \
|
||
|
|
break; \
|
||
|
|
} \
|
||
|
|
} \
|
||
|
|
\
|
||
|
|
RELEASE_SPIN_LOCK(&(_pPortDesc)->pd_Lock, OldIrql); \
|
||
|
|
\
|
||
|
|
*(_ppBre) = pBre; \
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
BOOLEAN
|
||
|
|
atalkDdpFindAddrOnList(
|
||
|
|
IN PATALK_NODE pAtalkNode,
|
||
|
|
IN ULONG Index,
|
||
|
|
IN BYTE Socket,
|
||
|
|
OUT PDDP_ADDROBJ * ppDdpAddr);
|
||
|
|
|
||
|
|
#define IS_VALID_SOCKET(Socket) \
|
||
|
|
((Socket == DYNAMIC_SOCKET) || \
|
||
|
|
(Socket == LAST_DYNAMIC_SOCKET) || \
|
||
|
|
((Socket >= FIRST_STATIC_SOCKET) && \
|
||
|
|
(Socket <= LAST_STATIC_SOCKET)))
|
||
|
|
|
||
|
|
#endif // _DDP_
|
||
|
|
|