+++ /dev/null
-/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-#ifndef _NETAT_ADSP_INTERNAL_H_
-#define _NETAT_ADSP_INTERNAL_H_
-
-#include <sys/types.h>
-
-#ifdef __APPLE_API_OBSOLETE
-#ifdef KERNEL_PRIVATE
-
-/* from h/adsp_portab.h */
-
-/* TypeDefs for the basic data bytes. */
-
-typedef unsigned char byte, *bytePtr;
-
-#ifdef NOT_USED
-typedef char int8;
-typedef short int16;
-typedef int int32;
-#endif
-
-typedef unsigned char boolean;
-
-typedef unsigned short word;
-
-typedef unsigned int dword;
-
-#define BYTE_AT(x) (*((byte PTR)(x)))
-#define WORD_AT(x) (*((word PTR)(x)))
-#define DWORD_AT(x) (*((dword PTR)(x)))
-
-#define high(x) ((byte)((x) >> 8))
-#define low(x) ((byte)(x))
-#define hlword(h, l) (((byte)(l)) | (((byte)(h)) << 8))
-
-
-/*
- * On a Mac, there is no need to byte-swap data on the network, so
- * these macros do nothing
- */
-
-#define netw(x) x
-#define netdw(x) x
-
-typedef struct
-{
- at_net network; /* network number */
- byte nodeid; /* node number */
- byte socket; /* socket number */
-} AddrBlk, *AddrBlkPtr;
-
-typedef union
-{
- at_inet_t a;
-} AddrUnion, *AddrUnionPtr;
-
-/* End Portab.h */
-
-/* from h/adsp_internal.h */
-
-#undef T_IDLE
-
-/*
-* Default Behavior for ADSP
-*/
-#define ocIntervalDefault 6
-#define ocMaximumDefault 10
-#define probeIntervalDefault 180
-
-/*
-* MACROS for comparing 32-bit sequence numbers
-*/
-#define GT(x,y) (((long)(x-y)) > (long) 0)
-#define LT(x,y) (((long)(x-y)) < (long) 0)
-#define GTE(x,y) (((long)(x-y)) >= (long) 0)
-#define LTE(x,y) (((long)(x-y)) <= (long) 0)
-#define BETWEEN(x,y,z) (LTE(x,y) && LTE(y,z))
-
-/*
- * Use the kernel tick counter for SysTicks.
- */
-
-#define SysTicks() lbolt
-
-/*
- * Timer element used for handling timings
- */
-typedef struct timerelem {
- struct timerelem *link;
- short timer;
- char type;
- unsigned onQ:1; /* Bit-fields are faster than booleans */
-} TimerElem;
-
-typedef TimerElem *TimerElemPtr;
-
-/*
- * For AppleTalk Phase 2 event queue
- */
-typedef struct {
- Ptr qLink;
- unsigned short qType;
- ProcPtr callAddr;
-} LAPEventElem;
-
-typedef LAPEventElem *LAPEventElemPtr;
-
-/*
- * The Event types we're passed when an AppleTalk transition occurs
- */
-#define AOpenTransition 0
-#define ACloseTransition 2
-#define ANetworkTransition 5
-
-/*
- * The element we're passed when a NetworkTransaction event occurs
- */
-typedef struct TNetworkTransition {
- Ptr private; /* pointer used internally by NetShare */
- ProcPtr netValidProc; /* pointer to the network valid procedure */
-} TNetworkTransition, *TPNetworkTransition;
-
-typedef long (*NetworkTransitionProcPtr)(TPNetworkTransition nettrans,
- unsigned long thenet);
-/*
- * This is the connection control block
- */
-typedef struct ccb {
- /*---These fields may not change order or size-----------*/
-
- struct ccb *ccbLink; /* link to next ccb */
- unsigned short state; /* state of the connection end */
- unsigned char userFlags; /* flags for unsolicited connection events */
- unsigned char localSocket; /* socket number of this connection end */
- AddrUnion remoteAddress; /* internet address of remote end */
- unsigned short attnCode; /* attention code received */
- unsigned short attnSize; /* size of received attention data */
- unsigned char *attnPtr; /* ptr to received attention data */
- unsigned short recvQPending; /* # bytes in receive queue %%% */
- /*------------------------------------------------------ */
-
- struct adspcmd *opb; /* Outstanding open/close/remove/listens */
- struct adspcmd *spb; /* Outstanding Sends */
- struct adspcmd *sapb; /* Outstanding Send Attentions */
- struct adspcmd *frpb; /* Outstanding Forward Resets */
- struct adspcmd *rpb; /* Outstanding Read Requests */
-
- struct ccb *otccbLink; /* link to next ccb */
- int pid; /* Process ID for CCB owner */
-
- unsigned short remCID; /* Remote Connection ID */
- unsigned short locCID; /* Local Connection ID */
- int sendSeq; /* Seq number of next char to send to remote */
- int firstRtmtSeq; /* oldest seq # in local send queue */
- int sendWdwSeq; /* Seq # of last char remote has bfr for */
- int recvSeq; /* Seq of # of next char expected from rmte */
- int recvWdw; /* # of bytes local end has buffer space for */
- int attnSendSeq; /* Seq # of next attn pkt to send to remote */
- int attnRecvSeq; /* Seq # of next packet local end expects */
- int maxSendSeq; /* Highest seq # we ever sent on connection */
-
- /* These must be in the first 255 bytes of the CCB */
- TimerElem ProbeTimer; /* Timer element for probes (and open) */
- TimerElem FlushTimer; /* Timer element for flushing data */
- TimerElem RetryTimer; /* Timer element for retransmissions */
- TimerElem AttnTimer; /* Timer element for attention packets */
- TimerElem ResetTimer; /* Timer element for forward resets */
-
- short openInterval; /* Interval between open connection packets */
- short probeInterval; /* Interval between probes */
- short sendInterval; /* Interval before automatic flush */
- short rtmtInterval; /* Rexmit interval (dynamically determined) */
-
- short sendCtl; /* Send control message bits */
- short sendBlocking; /* Flush unsent data if > than sendBlocking */
- short openRetrys; /* # of retrys for Connect & Accept */
- short rbuflen; /* Total size of receive buffer */
- short sbuflen; /* Total size of receive buffer */
- char pad;
- char lockFlag;
- char badSeqMax; /* retransmit advice send threshold */
- char badSeqCnt; /* # of of out-of-order packets received */
- char useCheckSum; /* true to use DDP checksums */
- char openState; /* Used for opening a connection (see below) */
-
- gbuf_t *rbuf_mb; /* message block for the recv buffer */
- gbuf_t *crbuf_mb;
- gbuf_t *sbuf_mb; /* message block for the send buffer */
- gbuf_t *csbuf_mb;
- gbuf_t *attn_mb; /* message block for the attention buffer */
- gbuf_t *deferred_mb; /* message block deferred for later processing */
-
-#ifdef NOT_USED
- char ioDone; /* flag for when the adsp header is busy */
-#endif
- char probeCntr; /* # of probes we can miss (counts down) */
- char pktSendMax; /* Max # of packets to send without an ack */
- char pktSendCnt; /* # of packets sent so far */
-
- int sendStamp; /* Time of last ackRequest */
- int timerSeq; /* Seq # of char corresponding to above time stamp */
- short roundTrip; /* Average Round-Trip time (in 6ths of a second) */
- short deviation; /* deviation from roundTrip time */
-
- unsigned sData:1; /* There's data in the send queue */
- unsigned waitingAck:1; /* We're waiting for an ack packet */
- unsigned rData:1; /* There's data in the receive queue */
- unsigned resentData:1; /* True when we resend data due to timeout */
- unsigned sendDataAck:1; /* True if he requested an ack */
- unsigned sendAttnAck:1; /* Must send attn acknowlege */
- unsigned sendAttnData:1; /* Must send attn data */
- unsigned callSend:1; /* Must call CheckSend() */
- unsigned rbufFull:1; /* We've closed our receive window. */
- unsigned noXmitFlow:1; /* True stops incrementing # of xmit
- * packets to send in a row after receiving
- * an ack packet. */
- unsigned secureCCB:1; /* True if this is a secure connection */
- unsigned removing:1; /* There is a dspRemove pending */
- unsigned writeFlush:1; /* Flush send queue even if # bytes to
- * send is less than send blocking. */
- unsigned delay:1; /* do not complete commands until user
- * *** NO LONGER USED IN KERNEL *** */
- ADSP_FRAME f; /* Used to send every packet */
- ADSP_OPEN_DATA of; /* Holds the data for the open exchange */
- gref_t *gref; /* The queue associated with the CCB */
- gbuf_t *sp_mp;
-} CCB, *CCBPtr;
-
-
-/*
- * Change order and die !!! --- See the receive open packet code
- */
-#define O_STATE_NOTHING 0 /* Not opening */
-#define O_STATE_LISTEN 1 /* Listening for open request */
-#define O_STATE_OPENWAIT 2 /* Sent Req, waiting for Ack to open
- * request */
-#define O_STATE_ESTABLISHED 3 /* Got Req, send Req+Ack,waiting Ack */
-#define O_STATE_OPEN 4 /* Connection is open */
-
-/*
-* These bits are used in the sendCtl field to indicate what needs to be sent
-*/
-#define B_CTL_PROBE 0x0001
-#define B_CTL_OREQ 0x0002
-#define B_CTL_OACK 0x0004
-#define B_CTL_OREQACK 0x0008
-#define B_CTL_ODENY 0x0010
-#define B_CTL_CLOSE 0x0020
-#define B_CTL_FRESET 0x0040
-#define B_CTL_FRESETACK 0x0080
-#define B_CTL_RETRANSMIT 0x0100
-
-
-#define kProbeTimerType offsetof(CCB, ProbeTimer)
-#define kFlushTimerType offsetof(CCB, FlushTimer)
-#define kRetryTimerType offsetof(CCB, RetryTimer)
-#define kAttnTimerType offsetof(CCB, AttnTimer)
-#define kResetTimerType offsetof(CCB, ResetTimer)
-
-/*
- * Used to manage the send receive queue
- */
-typedef struct {
- short len; /* # of bytes in this fragment */
- char flags; /* See #define's below */
- char data[1];
-} HDR, *HDRPtr;
-
-#define HDR_LEN 3 /* Yes, I know it really is 4 bytes long... */
-
-#define F_GAP 0x03
-#define F_EOM 0x04
-#define F_WRAP 0x08
-#define F_VALID 0x10
-#define F_ENCRYPTED 0x20 /* %%% Needed ??? */
-#define F_LAST 0x40 /* This is last block in buffer */
-
-
-/* %%% Are these two used anymore? */
-#define sbufPtr(y) (&sp->sbuf[((y) < sp->sbuflen) ? (y) : ((y) - sp->sbuflen)])
-#define rbufPtr(y) (&sp->rbuf[((y) < sp->rbuflen) ? (y) : ((y) - sp->rbuflen)])
-
-/* End Internal.h */
-
-/* fron h/adsp_supp.h */
-
-void CallUserRoutine(CCBPtr sp); /* (CCB FPTR sp); */
-
-
-/*
- * Add queue element to end of queue. Pass Address of ptr to
- * 1st element of queue
-int qAddToEnd(struct qlink **qhead, struct qlink *qelem);
- */
- /* (void FPTR FPTR qhead, void FPTR qelem); */
-
-/*
- * Hunt down a linked list of queue elements looking for an element with
- * 'data' at 'offset' bytes into the queue element.
- */
-void *qfind_b(void *qhead, word offset, word data);
-void *qfind_w(void *qhead, word offset, word data);
-void *qfind_p(void *qhead, word offset, void *ptr);
-void *qfind_o(void *qhead, word offset, void *ptr);
-void *qfind_m(CCBPtr qhead, void *match, ProcPtr compare_fnx);
-
-
-/*
- * Routines to handle sorted timer queues
- */
-void InsertTimerElem(TimerElemPtr *qhead, TimerElemPtr t, int val);
-void RemoveTimerElem(TimerElemPtr *qhead, TimerElemPtr t);
-void TimerQueueTick(TimerElemPtr *qhead);
-
-/* from h/adsp_global.h */
-
-typedef struct {
- void *ccbList; /* Ptr to list of connection control blocks */
-
- TimerElemPtr slowTimers; /* The probe timer list */
- TimerElemPtr fastTimers; /* The fast timer list */
-
- unsigned short lastCID; /* Last connection ID assigned */
- char inTimer; /* We're inside timer routine */
-} GLOBAL;
-
-extern GLOBAL adspGlobal;
-
-/* Address of ptr to list of ccb's */
-#define AT_ADSP_STREAMS ((CCB **)&(adspGlobal.ccbList))
-
-void CheckSend(CCBPtr);
-
-struct qlink {
- struct qlink *qlinkp;
-};
-
-int qAddToEnd(struct qlink **, struct qlink *);
-
-void adspioc_ack(int, gbuf_t *, gref_t *);
-int CalcRecvWdw(CCBPtr);
-int calcRecvQ(CCBPtr);
-int CalcSendQFree(CCBPtr);
-int adsp_sendddp(CCBPtr, gbuf_t *, int, AddrUnion *, int);
-int CheckReadQueue(CCBPtr);
-int CheckOkToClose(CCBPtr);
-
-int RXData(CCBPtr, gbuf_t *, ADSP_FRAMEPtr, int);
-int RXFResetAck(CCBPtr, ADSP_FRAMEPtr);
-int RxClose(CCBPtr);
-void CheckRecvSeq(CCBPtr, ADSP_FRAMEPtr);
-int RXFReset(CCBPtr, ADSP_FRAMEPtr);
-int RXAttention(CCBPtr, gbuf_t *, ADSP_FRAMEPtr, int);
-CCBPtr FindSender(ADSP_FRAMEPtr, AddrUnion);
-void DoClose(CCBPtr, int, int);
-void completepb(CCBPtr, struct adspcmd *);
-int adspReadAttention(CCBPtr, struct adspcmd *);
-int adspMode(struct adspcmd *);
-int CompleteQueue(struct adspcmd **, int);
-
-void CleanupGlobals(void);
-void InitGlobals(void);
-void TimerStop(void);
-void TimerTick(void);
-
-void SndMsgUp(gref_t *, gbuf_t *);
-int adspDeassignSocket(CCBPtr);
-unsigned char adspAssignSocket(gref_t *gref, int);
-int adspWriteHandler(gref_t *, gbuf_t *);
-int adspReadHandler(gref_t *, gbuf_t *);
-
-int adsp_wput(gref_t *gref, gbuf_t *m);
-int adspRelease(gref_t *);
-int adsp_close(gref_t *);
-int adspAllocateCCB(gref_t *);
-
-void NotifyUser(CCBPtr);
-void UrgentUser(CCBPtr);
-
-unsigned short NextCID(void);
-
-#endif /* KERNEL_PRIVATE */
-#endif /* __APPLE_API_OBSOLETE */
-
-#endif /* _NETAT_ADSP_INTERNAL_H_ */
projects / apple / xnu.git / blobdiff