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CAP/netat/appletalk.h

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/*
* $Author: djh $ $Date: 1994/10/24 06:42:08 $
* $Header: /mac/src/cap60/netat/RCS/appletalk.h,v 2.8 1994/10/24 06:42:08 djh Rel djh $
* $Revision: 2.8 $
*/
/*
* appletalk.h - Appletalk definitions
*
* AppleTalk package for UNIX (4.2 BSD).
*
* Copyright (c) 1986, 1987, 1988 by The Trustees of Columbia University in
* the City of New York.
*
* Portions Copyright (C) 1985, Stanford Univ. SUMEX project.
* C language version (C) 1984, Stanford Univ. SUMEX project.
* May be used but not sold without permission.
*
* Portions Copyright (C) 1984, Apple Computer Inc.
* Gene Tyacke, Alan Oppenheimer, G. Sidhu, Rich Andrews.
*
* Edit History:
*
* June 13, 1986 Schilit Created.
*
*/
#include <netat/aberrors.h>
#include <netat/abqueue.h>
#include <netat/sysvcompat.h> /* this definitely doesn't belong here!! */
/* but there's no way that I'm going through 50 files to fix it */
/* misc structures */
/* use these when protocol depends on actual number of bits somehow */
/* use ifdefs for different machines */
typedef unsigned char byte;
typedef char sbyte;
typedef unsigned short word;
typedef short sword;
#ifdef __alpha
/* The alpha has 64bit longs */
typedef unsigned int dword;
typedef int sdword;
#else __alpha
typedef unsigned long dword;
typedef long sdword;
#endif __alpha
typedef int OSErr;
typedef struct { /* BDS, buffer data structure */
word buffSize;
char *buffPtr;
word dataSize;
dword userData;
} BDS;
typedef BDS * BDSPtr;
typedef struct { /* BDSType */
BDS a[8];
} BDSType;
typedef struct { /* Str32 */
byte s[33]; /* make 33 in case we want a null byte */
} Str32;
#define userBytes userData
typedef struct { /* AddrBlock */
word net;
byte node;
byte skt;
} AddrBlock;
/*
* For each protocol, its header structure, definitions,
* and control / status parameter block.
*/
/*
* LAP protocol
*
*/
typedef struct { /* LAP */
byte dst;
byte src;
byte type;
} LAP, LAPAdrBlock;
#define dstNodeID dst
#define srcNodeID src
#define lapProtType type
/* LAP definitions */
#define lapShortDDP 1 /* short DDP type */
#define lapDDP 2 /* DDP type */
#define lapMB 10 /* Masterbridge packet */
#define lapSize 3 /* size of lap header */
/* LAP delivery mechanisms */
#define LAP_KIP 1 /* "standard" KIP */
#define LAP_MKIP 2 /* modified KIP for UAB */
#define LAP_ETALK 3 /* EtherTalk phase 1/2 */
#define LAP_KERNEL 4 /* kernel EtherTalk */
/*
* Masterbridge routing protocol
*
*/
#define mbMBS 70 /* socket for masterbridge requests */
typedef struct {
byte type; /* type of packet */
byte node; /* destination node */
word net; /* destination net */
dword bridge; /* bridge address */
dword src; /* packet source (IP) */
/* Maybe that should be a Appletalk address? */
/* more general but less efficent */
} MBPACKET;
#define mbRRQ 50 /* route request packet */
#define mbRRP 51 /* route reply packet */
#define mbPING 52 /* ping packet */
#define mbPINGR 53 /* ping reply packet */
/*
* DDP protocol
*
*/
typedef struct { /* DDP */
word length;
word checksum;
word dstNet;
word srcNet;
byte dstNode;
byte srcNode;
byte dstSkt;
byte srcSkt;
byte type;
} DDP;
typedef struct { /* ShortDDP */
word length;
byte dstSkt;
byte srcSkt;
byte type;
} ShortDDP;
/* DDP definitions */
#define ddpMaxSkt 0xFF /* max socket number */
#define ddpMaxWKS 0x7F
#define ddpMaxData 586
#define ddpLengthMask 0x3FF
#define ddpHopShift 10
#define ddpSize 13 /* size of DDP header */
#define ddpSSize 5
#define ddpWKS 128 /* boundary of DDP well known sockets */
#define ddpEWKS 64 /* start of experimental socket range */
#define ddpRTMP 1 /* RTMP type */
#define ddpNBP 2 /* NBP type */
#define ddpATP 3 /* ATP type */
#define ddpECHO 4 /* ECHO type */
#define ddpRTMP_REQ 5 /* RTMP request */
#define ddpZIP 6 /* ZIP packet */
#define ddpADSP 7 /* ADSP packet */
#define ddpIP 22 /* IP type */
#define ddpARP 23 /* ARP type */
#define ddpWKSUnix 768 /* start of unofficial WKS range on UNIX */
#define ddpOWKSUnix 200 /* start of official WKS range on UNIX */
#define ddpNWKSUnix 16384 /* start of non-WKS .. */
#define ddpIPSkt 72 /* socket used by Dartmouth encapsulation */
/*
* Start of the DDP Encapsulated protocols
*
*/
/*
* RTMP protocol defintions
*
*/
typedef struct { /* RTMP */
word net;
byte idLen;
byte id; /* start of ID field */
} RTMP;
typedef struct {
word net;
byte hops;
} RTMPtuple;
#define rtmpSkt 1 /* number of RTMP socket */
#define rtmpSize 4 /* minimum size */
#define rtmpTupleSize 3
/*
* NBP/NIS protocol definitions
*
*/
#define nbpEquals '='
#define nbpWild 0xc5
#define nbpStar '*'
#define ENTITYSIZE 32 /* use up to 32 for data */
/* note str32 is really 33 bytes now */
typedef struct { /* EntityName */
Str32 objStr;
Str32 typeStr;
Str32 zoneStr;
} EntityName;
typedef struct { /* NBP Table entry */
AddrBlock addr;
byte enume; /* add enumerator - cck */
EntityName ent;
} NBPTEntry;
typedef struct { /* RetransType */
int retransInterval;
int retransCount;
} RetransType;
/*
* Echo protocol definitions
*
*/
#define echoRequest 1 /* echo Request cmd */
#define echoReply 2 /* echo reply cmd */
#define echoSkt 4 /* echo socket */
/*
* Zone Information Protocol protocol definitions
*
*/
#define zipZIS 0x6 /* Zone information socket */
/* define atp zip commands */
#define zip_GetMyZone 7 /* get my zone command */
#define zip_GetZoneList 8 /* get zone list command */
#define zip_GetLocZones 9 /* get local zone list */
/* atp user bytes for zip commands */
/* no reply struct since return is packed array of pascal strings */
typedef struct zipUserBytes {
byte zip_cmd; /* zip command (LastFlag on return) */
byte zip_zero; /* always zero */
word zip_index; /* zip index (count on return) */
} zipUserBytes;
/*
* Appletalk Transport Protocol protocol definitions
*
*/
#define atpSize 8 /* sizeof struct ATP */
typedef byte BitMapType;
typedef dword atpUserDataType;
typedef union {
byte bytes[4];
word words[2];
} inadword;
typedef struct { /* ATP */
byte control;
BitMapType bitmap;
word transID;
atpUserDataType userData;
} ATP;
#define atpMaxNum 8
#define atpMaxData 578
#define atpNData 512+16 /* normal amount of data */
/*
* ATP Client protocols
*
*/
/*
* Printer Access Protocol protocol definitions
*
*/
/* PAPType Values: */
#define PAPSegSize 512
typedef struct {
dword SystemStuff; /* PAP internal use (not used) */
byte StatusStr[256]; /* status string + 1 byte for length */
} PAPStatusRec;
#define papNoError 0 /* no error - connection open */
#define papPrinterBusy 0xffff /* printer busy */
/*
* Appletalk Session Protocol (ASP) definitions
*
*/
/* FOR ASP VERSION 1.0 */
#define ASP_PROTOCOL_VERSION 0x0100
/* ASP Packet types - needed since spgetrequest returns */
#define aspCloseSession 1
#define aspCommand 2
#define aspGetStat 3
#define aspOpenSess 4
#define aspTickle 5
#define aspWrite 6
#define aspWriteData 7
#define aspAttention 8
/* ReqRefNum returned by SPGetRequest and used by SPWriteContinue, */
/* SPWrtReply and SPCmdReply is a pointer to a special command block */
/* Use ReqRefNumType to define a reqRefNum argument... */
typedef char * ReqRefNumType;
/*
* ABusRecord definitions
*
*/
/* abopcode defintions */
#define tNBPConfirm 20
#define tNBPLookUp 21
#define tNBPRegister 100
#define tNBPDelete 101
#define tNBPTickle 102
#define tNBPSLookUp 103
typedef struct atpProto {
byte atpSocket; /* listening/responding socket number */
AddrBlock atpAddress; /* destination or source socket address */
int atpReqCount; /* request buffer size in bytes */
char *atpDataPtr; /* Pointer to request data */
BDSPtr atpRspBDSPtr; /* pointer to response buffer list */
BitMapType atpBitMap; /* transaction bitmap */
int atpTransID; /* transaction id */
int atpActCount; /* count of bytes received */
atpUserDataType atpUserData; /* user bytes */
#ifdef AIX
unsigned fatpXO : 1, /* exactly once boolean */
#else AIX
byte fatpXO : 1, /* exactly once boolean */
#endif AIX
fatpEOM : 1; /* end of message boolean */
byte atpTimeOut; /* retry timeout interval in seconds */
byte atpRetries; /* number of retries - 255 max */
byte atpNumBufs; /* number of elements in response BDS */
/* or number of response pkts sent */
byte atpNumRsp; /* number of of response pkts received */
/* or sequence number (on send) */
byte atpBDSSize; /* number of elements in response bds */
atpUserDataType atpRspUData; /* user bytes sent or received in */
/* transaction response */
char *atpRspBuf; /* Pointer to response buffer */
int atpRspSize; /* size of response message buffer */
} atpProto;
typedef struct lapProto { /* LAP record for LAP calls */
LAPAdrBlock lapAddress; /* address for lap */
word lapReqCount; /* bytes to read/write */
word lapActCount; /* actual quantity from above operation */
byte *lapDataPtr; /* pointer to data */
} lapProto;
typedef struct ddpProto { /* DDP record for DDP calls */
word ddpType; /* type field */
word ddpSocket; /* source socket */
AddrBlock ddpAddress; /* destination address */
word ddpReqCount; /* bytes to read/write */
word ddpActCount; /* actual quantity from above operation */
byte *ddpDataPtr; /* pointer to data buffer */
word ddpNodeID; /* beats me */
} ddpProto;
typedef struct nbpProto {
QElem abQElem; /* internal: queue links */
int abOpcode; /* type of call */
int abResult; /* result code */
dword abUserReference; /* for programmer use */
EntityName *nbpEntityPtr; /* pointer to entity name */
NBPTEntry *nbpBufPtr; /* user storage for NBP entities */
word nbpBufSize; /* count of entries that fit in buffer */
word nbpDataField;
AddrBlock nbpAddress;
RetransType nbpRetransmitInfo;
int nbpMaxEnt; /* internal: max entries */
byte nbpID; /* internal: transaction ID */
int retranscount; /* internal: modifiable retranscount */
} nbpProto;
typedef struct ABusRecord {
#ifdef notdefined /* not needed */
ABCallType abOpcode; /* type of call */
#endif
struct ABusRecord *abNext; /* INTERNAL USE ONLY: used to link read queue*/
int abResult; /* result code */
dword abUserReference; /* for programmer use */
union { /* for various protocols */
lapProto lap;
ddpProto ddp;
atpProto atp;
} proto;
} ABusRecord;
typedef struct ABusRecord *abRecPtr;
/* IO Vector protocol levels for scatter gather processing */
#define IOV_LAP_LVL 0 /* lap index */
#define IOV_DDP_LVL 1 /* ddp index */
#define IOV_ATP_LVL 2 /* atp index */
#define IOV_ATPU_LVL 3 /* user data from atp index */
/* size of iov's */
#define IOV_LAP_SIZE 1 /* lap size */
#define IOV_DDP_SIZE 2 /* ddp size */
#define IOV_ATP_SIZE 3 /* atp size */
#define IOV_ATPU_SIZE 4 /* user data from atp size */
/* maximum IOV level expected by DDP read routine */
#define IOV_READ_MAX 10 /* no more than this allowed */
/* Debug flags structure */
typedef union {
struct {
unsigned dbg_lap : 1; /* debug LAP */
unsigned dbg_ddp : 1; /* debug DDP */
unsigned dbg_atp : 1; /* debug ATP */
unsigned dbg_nbp : 1; /* debug NBP */
unsigned dbg_pap : 1; /* debug PAP */
unsigned dbg_ini : 1; /* debug init code */
unsigned dbg_asp : 1; /* debug asp */
unsigned dbg_skd : 1; /* debug scheduler */
} U_dbg;
unsigned db_flgs;
} DBUG;
#define db_lap U_dbg.dbg_lap
#define db_ddp U_dbg.dbg_ddp
#define db_atp U_dbg.dbg_atp
#define db_nbp U_dbg.dbg_nbp
#define db_pap U_dbg.dbg_pap
#define db_ini U_dbg.dbg_ini
#define db_asp U_dbg.dbg_asp
#define db_skd U_dbg.dbg_skd
extern DBUG dbug;
#define ticktosec(sec) ((sec)/4) /* converts from internal tick units */
/* to seconds */
#define sectotick(sec) ((sec)*4) /* converts from seconds to internal ticks */
/* define some things for the c compiler - CCK: I think some if not all */
/* of these should be in the compiler, thus I use all lowercased as they */
/* would be (as I normally use c compiler stuff). */
#define private static
#define export
#define import extern
typedef int boolean;
/* levels of registers - we declare importance of different register */
/* vars this way */
#define REGISTER1 register
#define REGISTER2 register
#define REGISTER3 register
typedef int (*ProcPtr)(); /* procedure pointer */
#define NILPROC (ProcPtr) 0 /* null procedure */
#define NILPTR (u_char *) 0
/* Some general definitions - probably don't belong here */
#define TRUE 1
#define FALSE 0
#define min(x,y) (((int)(x) > (int)(y)) ? (y) : (x))
#define max(x,y) (((int)(x) > (int)(y)) ? (x) : (y))
#define tokipnet(x,y) ((y)|((x)<<8))
#ifdef pyr
#define ntohs(x) (x)
#endif
/* high and low part of a "kip" network number - assume number in network */
/* format */
#define nkipnetnumber(x) ntohs((x))>>8
#define nkipsubnetnumber(x) ntohs((x))&0xff
/* same but assumes in host form */
#define kipnetnumber(x) (x)>>8
#define kipsubnetnumber(x) (x)&0xff
/* version information */
struct cap_version {
int cv_version; /* e.g. 3 */
int cv_subversion; /* e.g. 0 - if original was subverted :-) */
int cv_patchlevel; /* e.g. 100, probably more */
char *cv_copyright; /* pointer to copyright notice */
char *cv_name; /* "CAP" */
char *cv_type; /* "UDP", "EtherTalk", etc. */
char *cv_rmonth; /* release month */
char *cv_ryear; /* release year */
};
/* routine declarations (only if not OSErr or int) */
unsigned char *GetMyZone();
struct cap_version *what_cap_version();
#define CAP_6_DBM 1 /* new atalk.local management */
/* logging flags */
#define L_UERR 0x20 /* want unix error message */
#define L_EXIT 0x10 /* exit after logging */
#define L_LVL 0xf /* debug levels */
#define L_LVLMAX 15 /* maximum level */
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