[apple/xnu.git] / bsd / netat / adsp_internal.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This 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 OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_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;
    atlock_t lock;
    atlock_t lockClose;
    atlock_t lockRemove;
} 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))

#endif /* KERNEL_PRIVATE */
#endif /* __APPLE_API_OBSOLETE */

#endif /* _NETAT_ADSP_INTERNAL_H_ */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
e5568f75 A	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
1c79356b	11	*
e5568f75 A	12	* This Original Code and all software distributed under the License are
e5568f75 A	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
e5568f75 A	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
1c79356b A	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	#ifndef _NETAT_ADSP_INTERNAL_H_
	23	#define _NETAT_ADSP_INTERNAL_H_
9bccf70c A	24
9bccf70c A	25	#include <sys/types.h>
1c79356b	26
91447636 A	27	#ifdef __APPLE_API_OBSOLETE
91447636 A	28	#ifdef KERNEL_PRIVATE
1c79356b A	29
	30	/* from h/adsp_portab.h */
	31
	32	/* TypeDefs for the basic data bytes. */
	33
	34	typedef unsigned char byte, *bytePtr;
	35
	36	#ifdef NOT_USED
	37	typedef char int8;
	38	typedef short int16;
	39	typedef int int32;
	40	#endif
	41
	42	typedef unsigned char boolean;
	43
	44	typedef unsigned short word;
	45
	46	typedef unsigned int dword;
	47
	48	#define BYTE_AT(x) (*((byte PTR)(x)))
	49	#define WORD_AT(x) (*((word PTR)(x)))
	50	#define DWORD_AT(x) (*((dword PTR)(x)))
	51
	52	#define high(x) ((byte)((x) >> 8))
	53	#define low(x) ((byte)(x))
	54	#define hlword(h, l) (((byte)(l)) \| (((byte)(h)) << 8))
	55
1c79356b A	56
	57	/*
	58	* On a Mac, there is no need to byte-swap data on the network, so
	59	* these macros do nothing
	60	*/
	61
	62	#define netw(x) x
	63	#define netdw(x) x
	64
	65	typedef struct
	66	{
	67	at_net network; /* network number */
	68	byte nodeid; /* node number */
	69	byte socket; /* socket number */
	70	} AddrBlk, *AddrBlkPtr;
	71
	72	typedef union
	73	{
	74	at_inet_t a;
	75	} AddrUnion, *AddrUnionPtr;
	76
	77	/* End Portab.h */
	78
	79	/* from h/adsp_internal.h */
	80
	81	#undef T_IDLE
	82
	83	/*
	84	* Default Behavior for ADSP
	85	*/
	86	#define ocIntervalDefault 6
	87	#define ocMaximumDefault 10
	88	#define probeIntervalDefault 180
	89
	90	/*
	91	* MACROS for comparing 32-bit sequence numbers
	92	*/
	93	#define GT(x,y) (((long)(x-y)) > (long) 0)
	94	#define LT(x,y) (((long)(x-y)) < (long) 0)
	95	#define GTE(x,y) (((long)(x-y)) >= (long) 0)
	96	#define LTE(x,y) (((long)(x-y)) <= (long) 0)
	97	#define BETWEEN(x,y,z) (LTE(x,y) && LTE(y,z))
	98
	99	/*
	100	* Use the kernel tick counter for SysTicks.
	101	*/
	102
	103	#define SysTicks() lbolt
	104
	105	/*
	106	* Timer element used for handling timings
	107	*/
	108	typedef struct timerelem {
	109	struct timerelem *link;
	110	short timer;
	111	char type;
	112	unsigned onQ:1; /* Bit-fields are faster than booleans */
	113	} TimerElem;
	114
	115	typedef TimerElem *TimerElemPtr;
	116
	117	/*
	118	* For AppleTalk Phase 2 event queue
	119	*/
120	typedef struct {
121	Ptr qLink;
122	unsigned short qType;
123	ProcPtr callAddr;
124	} LAPEventElem;
125
126	typedef LAPEventElem *LAPEventElemPtr;
127
128	/*
129	* The Event types we're passed when an AppleTalk transition occurs
130	*/
131	#define AOpenTransition 0
132	#define ACloseTransition 2
133	#define ANetworkTransition 5
134
135	/*
136	* The element we're passed when a NetworkTransaction event occurs
137	*/
138	typedef struct TNetworkTransition {
139	Ptr private; /* pointer used internally by NetShare */
140	ProcPtr netValidProc; /* pointer to the network valid procedure */
141	} TNetworkTransition, *TPNetworkTransition;
142
91447636 A	143	typedef long (*NetworkTransitionProcPtr)(TPNetworkTransition nettrans,
91447636 A	144	unsigned long thenet);
1c79356b A	145	/*
	146	* This is the connection control block
	147	*/
	148	typedef struct ccb {
	149	/---These fields may not change order or size-----------/
	150
	151	struct ccb ccbLink; / link to next ccb */
	152	unsigned short state; /* state of the connection end */
	153	unsigned char userFlags; /* flags for unsolicited connection events */
	154	unsigned char localSocket; /* socket number of this connection end */
	155	AddrUnion remoteAddress; /* internet address of remote end */
	156	unsigned short attnCode; /* attention code received */
	157	unsigned short attnSize; /* size of received attention data */
	158	unsigned char attnPtr; / ptr to received attention data */
	159	unsigned short recvQPending; /* # bytes in receive queue %%% */
	160	/------------------------------------------------------ /
	161
	162	struct adspcmd opb; / Outstanding open/close/remove/listens */
	163	struct adspcmd spb; / Outstanding Sends */
	164	struct adspcmd sapb; / Outstanding Send Attentions */
	165	struct adspcmd frpb; / Outstanding Forward Resets */
	166	struct adspcmd rpb; / Outstanding Read Requests */
	167
	168	struct ccb otccbLink; / link to next ccb */
	169	int pid; /* Process ID for CCB owner */
	170
	171	unsigned short remCID; /* Remote Connection ID */
	172	unsigned short locCID; /* Local Connection ID */
	173	int sendSeq; /* Seq number of next char to send to remote */
	174	int firstRtmtSeq; /* oldest seq # in local send queue */
	175	int sendWdwSeq; /* Seq # of last char remote has bfr for */
	176	int recvSeq; /* Seq of # of next char expected from rmte */
	177	int recvWdw; /* # of bytes local end has buffer space for */
	178	int attnSendSeq; /* Seq # of next attn pkt to send to remote */
	179	int attnRecvSeq; /* Seq # of next packet local end expects */
	180	int maxSendSeq; /* Highest seq # we ever sent on connection */
	181
	182	/* These must be in the first 255 bytes of the CCB */
	183	TimerElem ProbeTimer; /* Timer element for probes (and open) */
	184	TimerElem FlushTimer; /* Timer element for flushing data */
	185	TimerElem RetryTimer; /* Timer element for retransmissions */
	186	TimerElem AttnTimer; /* Timer element for attention packets */
	187	TimerElem ResetTimer; /* Timer element for forward resets */
	188
	189	short openInterval; /* Interval between open connection packets */
	190	short probeInterval; /* Interval between probes */
	191	short sendInterval; /* Interval before automatic flush */
	192	short rtmtInterval; /* Rexmit interval (dynamically determined) */
	193
	194	short sendCtl; /* Send control message bits */
	195	short sendBlocking; /* Flush unsent data if > than sendBlocking */
	196	short openRetrys; /* # of retrys for Connect & Accept */
	197	short rbuflen; /* Total size of receive buffer */
	198	short sbuflen; /* Total size of receive buffer */
	199	char pad;
	200	char lockFlag;
	201	char badSeqMax; /* retransmit advice send threshold */
	202	char badSeqCnt; /* # of of out-of-order packets received */
	203	char useCheckSum; /* true to use DDP checksums */
	204	char openState; /* Used for opening a connection (see below) */
	205
	206	gbuf_t rbuf_mb; / message block for the recv buffer */
	207	gbuf_t *crbuf_mb;
	208	gbuf_t sbuf_mb; / message block for the send buffer */
209	gbuf_t *csbuf_mb;
210	gbuf_t attn_mb; / message block for the attention buffer */
211	gbuf_t deferred_mb; / message block deferred for later processing */
212
213	#ifdef NOT_USED
214	char ioDone; /* flag for when the adsp header is busy */
215	#endif
216	char probeCntr; /* # of probes we can miss (counts down) */
217	char pktSendMax; /* Max # of packets to send without an ack */
218	char pktSendCnt; /* # of packets sent so far */
219
220	int sendStamp; /* Time of last ackRequest */
221	int timerSeq; /* Seq # of char corresponding to above time stamp */
222	short roundTrip; /* Average Round-Trip time (in 6ths of a second) */
223	short deviation; /* deviation from roundTrip time */
224
225	unsigned sData:1; /* There's data in the send queue */
226	unsigned waitingAck:1; /* We're waiting for an ack packet */
227	unsigned rData:1; /* There's data in the receive queue */
228	unsigned resentData:1; /* True when we resend data due to timeout */
229	unsigned sendDataAck:1; /* True if he requested an ack */
230	unsigned sendAttnAck:1; /* Must send attn acknowlege */
231	unsigned sendAttnData:1; /* Must send attn data */
232	unsigned callSend:1; /* Must call CheckSend() */
233	unsigned rbufFull:1; /* We've closed our receive window. */
234	unsigned noXmitFlow:1; /* True stops incrementing # of xmit
235	* packets to send in a row after receiving
236	* an ack packet. */
237	unsigned secureCCB:1; /* True if this is a secure connection */
238	unsigned removing:1; /* There is a dspRemove pending */
239	unsigned writeFlush:1; /* Flush send queue even if # bytes to
240	* send is less than send blocking. */
241	unsigned delay:1; /* do not complete commands until user
242	* * NO LONGER USED IN KERNEL * */
243	ADSP_FRAME f; /* Used to send every packet */
244	ADSP_OPEN_DATA of; /* Holds the data for the open exchange */
245	gref_t gref; / The queue associated with the CCB */
246	gbuf_t *sp_mp;
247	atlock_t lock;
248	atlock_t lockClose;
249	atlock_t lockRemove;
250	} CCB, *CCBPtr;
251
252
253	/*
254	* Change order and die !!! --- See the receive open packet code
255	*/
256	#define O_STATE_NOTHING 0 /* Not opening */
257	#define O_STATE_LISTEN 1 /* Listening for open request */
258	#define O_STATE_OPENWAIT 2 /* Sent Req, waiting for Ack to open
259	* request */
260	#define O_STATE_ESTABLISHED 3 /* Got Req, send Req+Ack,waiting Ack */
261	#define O_STATE_OPEN 4 /* Connection is open */
262
263	/*
264	* These bits are used in the sendCtl field to indicate what needs to be sent
265	*/
266	#define B_CTL_PROBE 0x0001
267	#define B_CTL_OREQ 0x0002
268	#define B_CTL_OACK 0x0004
269	#define B_CTL_OREQACK 0x0008
270	#define B_CTL_ODENY 0x0010
271	#define B_CTL_CLOSE 0x0020
272	#define B_CTL_FRESET 0x0040
273	#define B_CTL_FRESETACK 0x0080
274	#define B_CTL_RETRANSMIT 0x0100
275
276
277	#define kProbeTimerType offsetof(CCB, ProbeTimer)
278	#define kFlushTimerType offsetof(CCB, FlushTimer)
279	#define kRetryTimerType offsetof(CCB, RetryTimer)
280	#define kAttnTimerType offsetof(CCB, AttnTimer)
281	#define kResetTimerType offsetof(CCB, ResetTimer)
282
283	/*
284	* Used to manage the send receive queue
285	*/
286	typedef struct {
287	short len; /* # of bytes in this fragment */
288	char flags; /* See #define's below */
289	char data[1];
290	} HDR, *HDRPtr;
291
292	#define HDR_LEN 3 /* Yes, I know it really is 4 bytes long... */
293
294	#define F_GAP 0x03
295	#define F_EOM 0x04
296	#define F_WRAP 0x08
297	#define F_VALID 0x10
298	#define F_ENCRYPTED 0x20 /* %%% Needed ??? */
299	#define F_LAST 0x40 /* This is last block in buffer */
300
301
302	/* %%% Are these two used anymore? */
303	#define sbufPtr(y) (&sp->sbuf[((y) < sp->sbuflen) ? (y) : ((y) - sp->sbuflen)])
304	#define rbufPtr(y) (&sp->rbuf[((y) < sp->rbuflen) ? (y) : ((y) - sp->rbuflen)])
305
306	/* End Internal.h */
307
308	/* fron h/adsp_supp.h */
309
91447636	310	void CallUserRoutine(CCBPtr sp); /* (CCB FPTR sp); */
1c79356b A	311
	312
	313	/*
	314	* Add queue element to end of queue. Pass Address of ptr to
	315	* 1st element of queue
91447636	316	int qAddToEnd(struct qlink *qhead, struct qlink qelem);
1c79356b	317	*/
91447636	318	/* (void FPTR FPTR qhead, void FPTR qelem); */
1c79356b A	319
	320	/*
	321	* Hunt down a linked list of queue elements looking for an element with
	322	* 'data' at 'offset' bytes into the queue element.
	323	*/
91447636 A	324	void qfind_b(void qhead, word offset, word data);
	325	void qfind_w(void qhead, word offset, word data);
	326	void qfind_p(void qhead, word offset, void *ptr);
	327	void qfind_o(void qhead, word offset, void *ptr);
	328	void qfind_m(CCBPtr qhead, void match, ProcPtr compare_fnx);
1c79356b A	329
	330
	331	/*
	332	* Routines to handle sorted timer queues
	333	*/
91447636 A	334	void InsertTimerElem(TimerElemPtr *qhead, TimerElemPtr t, int val);
	335	void RemoveTimerElem(TimerElemPtr *qhead, TimerElemPtr t);
	336	void TimerQueueTick(TimerElemPtr *qhead);
1c79356b A	337
	338	/* from h/adsp_global.h */
	339
	340	typedef struct {
	341	void ccbList; / Ptr to list of connection control blocks */
	342
	343	TimerElemPtr slowTimers; /* The probe timer list */
	344	TimerElemPtr fastTimers; /* The fast timer list */
	345
	346	unsigned short lastCID; /* Last connection ID assigned */
	347	char inTimer; /* We're inside timer routine */
	348	} GLOBAL;
	349
	350	extern GLOBAL adspGlobal;
	351
	352	/* Address of ptr to list of ccb's */
	353	#define AT_ADSP_STREAMS ((CCB **)&(adspGlobal.ccbList))
	354
91447636 A	355	#endif /* KERNEL_PRIVATE */
91447636 A	356	#endif /* __APPLE_API_OBSOLETE */
1c79356b A	357
1c79356b A	358	#endif /* _NETAT_ADSP_INTERNAL_H_ */