/**************************************************************************/
/*                                                                        */
/*              IBM OS/2(tm) Local Area Network (LAN) Server              */
/*                            Version 3.0                                 */
/* (c) Copyright International Business Machines Corporation, 1988, 1992  */
/*                                                                        */
/**************************************************************************/

/********************************************************************
 *                                                                  *
 *  About this file ...  NCB.H                                      *
 *                                                                  *
 *  This file contains information about NCBs.  Use this file       *
 *  in conjunction with NETBIOS.H and the NetBIOS APIs to write     *
 *  programs that interact with the network via the NetBIOS         *
 *  protocol.
 *                                                                  *
 *                                                                  *
 *  NOTE:  You must include NETCONS.H before this file, since this  *
 *         file depends on values defined in NETCONS.H.             *
 *                                                                  *
 ********************************************************************/




#ifdef  INCL_32
#pragma pack(1)
#endif


#ifndef NETNCB_INCLUDED

#define NETNCB_INCLUDED


/****************************************************************
 *                                                              *
 *              Data structure templates                        *
 *                                                              *
 ****************************************************************/


#define NCBNAMSZ        NETBIOS_NAME_LEN    /* absolute length of a net name    */

/*
 * Network Control Block
 */

struct ncb {
    unsigned char      ncb_command;            /* command code                 */
    unsigned char      ncb_retcode;            /* return code                  */
    unsigned char      ncb_lsn;                /* local session number         */
    unsigned char      ncb_num;                /* number of our network name   */
    char LSFAR * LSPTR ncb_buffer;             /* address of message buffer    */
    unsigned short     ncb_length;             /* size of message buffer       */
    char               ncb_callname[NCBNAMSZ]; /* blank-padded name of remote  */
    char               ncb_name[NCBNAMSZ];     /* our blank-padded netname     */
    unsigned char      ncb_rto;                /* rcv timeout/retry count      */
    unsigned char      ncb_sto;                /* send timeout/sys timeout     */
    unsigned long      ncb_post;               /* Async notification handle    */
    unsigned char      ncb_lana_num;           /* lana (adapter) number        */
    unsigned char      ncb_cmd_cplt;           /* 0xff => commmand pending     */
    unsigned char      ncb_reserve[14];        /* reserved, used by BIOS       */
};      /* ncb */

typedef struct ncb NCB;

/****************************************************************
 *                                                              *
 *              Special values and constants                    *
 *                                                              *
 ****************************************************************/

/*
 *      NCB Command codes
 */

#define NCBCALL         0x10            /* NCB CALL                         */
#define NCBLISTEN       0x11            /* NCB LISTEN                       */
#define NCBHANGUP       0x12            /* NCB HANG UP                      */
#define NCBSEND         0x14            /* NCB SEND                         */
#define NCBRECV         0x15            /* NCB RECEIVE                      */
#define NCBRECVANY      0x16            /* NCB RECEIVE ANY                  */
#define NCBCHAINSEND    0x17            /* NCB CHAIN SEND                   */
#define NCBDGSEND       0x20            /* NCB SEND DATAGRAM                */
#define NCBDGRECV       0x21            /* NCB RECEIVE DATAGRAM             */
#define NCBDGSENDBC     0x22            /* NCB SEND BROADCAST DATAGRAM      */
#define NCBDGRECVBC     0x23            /* NCB RECEIVE BROADCAST DATAGRAM   */
#define NCBADDNAME      0x30            /* NCB ADD NAME                     */
#define NCBDELNAME      0x31            /* NCB DELETE NAME                  */
#define NCBRESET        0x32            /* NCB RESET                        */
#define NCBASTAT        0x33            /* NCB ADAPTER STATUS               */
#define NCBSSTAT        0x34            /* NCB SESSION STATUS               */
#define NCBCANCEL       0x35            /* NCB CANCEL                       */
#define NCBADDGRNAME    0x36            /* NCB ADD GROUP NAME               */
#define NCBUNLINK       0x70            /* NCB UNLINK                       */
#define NCBSENDNA       0x71            /* NCB SEND NO ACK                  */
#define NCBCHAINSENDNA  0x72            /* NCB CHAIN SEND NO ACK            */


#define NCBCALLNIU      0x74            /* UB special                       */
#define NCBRCVPKT       0x78            /* UB special                       */

#define ASYNCH          0x80            /* high bit set == asynchronous     */

/*
 *      NCB Return codes
 */

#define NRC_GOODRET     0x00    /* good return                               */
#define NRC_BUFLEN      0x01    /* illegal buffer length                     */
#define NRC_BFULL       0x02    /* buffers full, no receive issued           */
#define NRC_ILLCMD      0x03    /* illegal command                           */
#define NRC_CMDTMO      0x05    /* command timed out                         */
#define NRC_INCOMP      0x06    /* message incomplete, issue another command */
#define NRC_BADDR       0x07    /* illegal buffer address                    */
#define NRC_SNUMOUT     0x08    /* session number out of range               */
#define NRC_NORES       0x09    /* no resource available                     */
#define NRC_SCLOSED     0x0a    /* session closed                            */
#define NRC_CMDCAN      0x0b    /* command cancelled                         */
#define NRC_DMAFAIL     0x0c    /* PC DMA failed                             */
#define NRC_DUPNAME     0x0d    /* duplicate name                            */
#define NRC_NAMTFUL     0x0e    /* name table full                           */
#define NRC_ACTSES      0x0f    /* no deletions, name has active sessions    */
#define NRC_INVALID     0x10    /* name not found or no valid name           */
#define NRC_LOCTFUL     0x11    /* local session table full                  */
#define NRC_REMTFUL     0x12    /* remote session table full                 */
#define NRC_ILLNN       0x13    /* illegal name number                       */
#define NRC_NOCALL      0x14    /* no callname                               */
#define NRC_NOWILD      0x15    /* cannot put * in NCB_NAME                  */
#define NRC_INUSE       0x16    /* name in use on remote adapter             */
#define NRC_NAMERR      0x17    /* called name cannot == name or name #      */
#define NRC_SABORT      0x18    /* session ended abnormally                  */
#define NRC_NAMCONF     0x19    /* name conflict detected                    */
#define NRC_IFBUSY      0x21    /* interface busy, IRET before retrying      */
#define NRC_TOOMANY     0x22    /* too many commands outstanding, retry later*/
#define NRC_BRIDGE      0x23    /* ncb_bridge field not 00 or 01             */
#define NRC_CANOCCR     0x24    /* command completed while cancel occurring  */
#define NRC_RESNAME     0x25    /* reserved name specified                   */
#define NRC_CANCEL      0x26    /* command not valid to cancel               */
#define NRC_MULT        0x33    /* multiple requests for same session        */
#define NRC_MAXAPPS     0x36    /* max number of applications exceeded       */
#define NRC_NORESOURCES 0x38    /* requested resources are not available     */
#define NRC_SYSTEM      0x40    /* system error                              */
#define NRC_ROM         0x41    /* ROM checksum failure                      */
#define NRC_RAM         0x42    /* RAM test failure                          */
#define NRC_DLF         0x43    /* digital loopback failure                  */
#define NRC_ALF         0x44    /* analog loopback failure                   */
#define NRC_IFAIL       0x45    /* interface failure                         */
#define NRC_NET_STAT    0x4f    /* Network status error              @p01a   */
#define NRC_ADPTMALFN   0x50    /* network adapter malfunction               */

#define NRC_PENDING     0xff    /* asynchronous command is not yet finished  */

    /* main user entry point for NetBIOS 3.0*/
API_RET_TYPE LSFAR LSPAS
NetBios(struct ncb LSFAR *);

/*
 *      Maximum datagram size
 */

#define MAX_DG_SIZE 512

#endif /* NETNCB_INCLUDED */

#ifdef  INCL_32
#pragma pack()
#endif
