/* IBM_PROLOG_BEGIN_TAG */ /* This is an automatically generated prolog. */ /* */ /* bos720 src/bos/usr/include/netiso/tp_param.h 1.6 */ /* */ /* Licensed Materials - Property of IBM */ /* */ /* COPYRIGHT International Business Machines Corp. 1988,1991 */ /* All Rights Reserved */ /* */ /* US Government Users Restricted Rights - Use, duplication or */ /* disclosure restricted by GSA ADP Schedule Contract with IBM Corp. */ /* */ /* IBM_PROLOG_END_TAG */ /* @(#)60 1.6 src/bos/usr/include/netiso/tp_param.h, sockinc, bos720 4/23/03 17:32:18 */ /* * * COMPONENT_NAME: (SOCKET) Socket services * * FUNCTIONS: * * ORIGINS: 26 27 * * (C) COPYRIGHT International Business Machines Corp. 1988, 1989, 1991 * All Rights Reserved * Licensed Materials - Property of IBM * * US Government Users Restricted Rights - Use, duplication or * disclosure restricted by GSA ADP Schedule Contract with IBM Corp. *****************************************************************/ /* * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison */ /* * ARGO TP * * $Header: tp_param.h,v 5.3 88/11/18 17:28:18 nhall Exp $ * $Source: /usr/argo/sys/netiso/RCS/tp_param.h,v $ * (#)tp_param.h 7.5 (Berkeley) 1/16/90 * * */ #ifndef __TP_PARAM__ #define __TP_PARAM__ /****************************************************** * compile time parameters that can be changed *****************************************************/ #define TP_CLASSES_IMPLEMENTED 0x11 /* zero and 4 */ #define TP_DECBIT_CLEAR_COUNT 3 #define N_TPREF 100 #define TP_SOCKBUFSIZE ((u_long)4096) #define TP0_SOCKBUFSIZE ((u_long)512) #define MAX_TSAP_SEL_LEN 64 /* maximum tpdu size we'll accept: */ #define TP_TPDUSIZE 0xc /* 4096 octets for classes 1-4*/ #define TP0_TPDUSIZE 0xb /* 2048 octets for class 0 */ #define TP_DFL_TPDUSIZE 0x7 /* 128 octets default */ /* NOTE: don't ever negotiate 8192 because could get * wraparound in checksumming * (No mtu is likely to be larger than 4K anyway...) */ #define TP_NRETRANS 1 #define TP_MAXPORT 0xefff #define TP_RTT_NUM 0x7 /* ALPHA: to be used in the context: gain= 1/(2**alpha), or * put another way, gaintimes(x) (x)>>alpha (forgetting the case alpha==0) */ #define TP_RTT_ALPHA 3 #define TP_RTV_ALPHA 2 /* * not sure how to treat data on disconnect */ #define T_CONN_DATA 0x1 #define T_DISCONNECT 0x2 #define T_DISC_DATA 0x4 #define T_XDATA 0x8 #define ISO_CLNS 0 #define IN_CLNS 1 #define ISO_CONS 2 #define ISO_COSNS 3 #define TP_MAX_NETSERVICES 3 /* Indices into tp stats ackreason[i] */ #define _ACK_DONT_ 0 #define _ACK_STRAT_EACH_ 0x1 #define _ACK_STRAT_FULLWIN_ 0x2 #define _ACK_DUP_ 0x3 #define _ACK_EOT_ 0x4 #define _ACK_REORDER_ 0x5 #define _ACK_USRRCV_ 0x6 #define _ACK_FCC_ 0x7 #define _ACK_NUM_REASONS_ 0x8 /* masks for use in tp_stash() */ #define ACK_DONT 0 #define ACK_STRAT_EACH (1<< _ACK_STRAT_EACH_) #define ACK_STRAT_FULLWIN (1<< _ACK_STRAT_FULLWIN_) #define ACK_DUP (1<< _ACK_DUP_) #define ACK_EOT (1<< _ACK_EOT_) #define ACK_REORDER (1<< _ACK_REORDER_) /****************************************************** * constants used in the protocol *****************************************************/ #define TP_VERSION 0x1 #define TP_MAX_HEADER_LEN 256 #define TP_MIN_TPDUSIZE 0x7 /* 128 octets */ #define TP_MAX_TPDUSIZE 0xd /* 8192 octets */ #define TP_MAX_XPD_DATA 0x10 /* 16 octets */ #define TP_MAX_CC_DATA 0x20 /* 32 octets */ #define TP_MAX_CR_DATA TP_MAX_CC_DATA #define TP_MAX_DR_DATA 0x40 /* 64 octets */ #define TP_XTD_FMT_BIT 0x80000000 #define TP_XTD_FMT_MASK 0x7fffffff #define TP_NML_FMT_BIT 0x80 #define TP_NML_FMT_MASK 0x7f /* * values for the tpdu_type field, 2nd byte in a tpdu */ #define TP_MIN_TPDUTYPE 0x1 #define XPD_TPDU_type 0x1 #define XAK_TPDU_type 0x2 #define GR_TPDU_type 0x3 #define AK_TPDU_type 0x6 #define ER_TPDU_type 0x7 #define DR_TPDU_type 0x8 #define DC_TPDU_type 0xc #define CC_TPDU_type 0xd #define CR_TPDU_type 0xe #define DT_TPDU_type 0xf #define TP_MAX_TPDUTYPE 0xf /* * identifiers for the variable-length options in tpdus */ #define TPP_acktime 0x85 #define TPP_residER 0x86 #define TPP_priority 0x87 #define TPP_transdelay 0x88 #define TPP_throughput 0x89 #define TPP_subseq 0x8a #define TPP_flow_cntl_conf 0x8c /* not implemented */ #define TPP_addl_info 0xe0 #define TPP_tpdu_size 0xc0 #define TPP_calling_sufx 0xc1 #define TPP_invalid_tpdu 0xc1 /* the bozos used a value twice */ #define TPP_called_sufx 0xc2 #define TPP_checksum 0xc3 #define TPP_vers 0xc4 #define TPP_security 0xc5 #define TPP_addl_opt 0xc6 #define TPP_alt_class 0xc7 #define TPP_perf_meas 0xc8 /* local item : perf meas on, svp */ /****************************************************** * Some fundamental data types *****************************************************/ #ifndef TRUE #define TRUE 1 #endif /* TRUE */ #ifndef FALSE #define FALSE 0 #endif /* FALSE */ #define TP_LOCAL 22 #define TP_FOREIGN 33 #ifndef EOK #define EOK 0 #endif /* EOK */ #define TP_CLASS_0 (1<<0) #define TP_CLASS_1 (1<<1) #define TP_CLASS_2 (1<<2) #define TP_CLASS_3 (1<<3) #define TP_CLASS_4 (1<<4) #define TP_FORCE 0x1 #define TP_STRICT 0x2 #ifndef MNULL #define MNULL (struct mbuf *)0 #endif /* MNULL */ /* if ../sys/mbuf.h gets MT_types up to 0x40, these will * have to be changed: */ #define MT_XPD 0x44 #define MT_EOT 0x40 #define TP_ENOREF 0x80000000 typedef unsigned int SeqNum; typedef unsigned short RefNum; typedef int ProtoHook; /****************************************************** * Some fundamental constants *****************************************************/ #define TP_MIN_WIN 2048 #define TP_MAX_WIN 16384 #define TP_MAX_WIN_UNPRIV 8192 /****************************************************** * Macro used all over, for driver *****************************************************/ #define DoEvent(x) \ ((E.ev_number=(x)),(tp_driver(tpcb,&E))) /****************************************************** * Some macros used all over, for timestamping *****************************************************/ #define GET_CUR_TIME(tvalp) ((*tvalp) = time) #ifdef TIMEFIX #define GET_TIME_SINCE(oldtvalp, diffp) {\ (diffp)->tv_sec = time.tv_sec - (oldtvalp)->tv_sec;\ (diffp)->tv_usec = time.tv_usec - (oldtvalp)->tv_usec;\ if( (diffp)->tv_usec <0 ) {\ (diffp)->tv_sec --;\ (diffp)->tv_usec = 1000000 - (diffp)->tv_usec;\ }\ } #else /* TIMEFIX */ #define GET_TIME_SINCE(oldtvalp, diffp) #endif /* TIMEFIX */ /****************************************************** * Some macros used for address families *****************************************************/ #define satosiso(ADDR) ((struct sockaddr_iso *)(ADDR)) #define satosin(ADDR) ((struct sockaddr_in *)(ADDR)) /****************************************************** * Macro used for changing types of mbufs *****************************************************/ #define CHANGE_MTYPE(m, TYPE)\ if((m)->m_type != TYPE) { \ mbstat.m_mtypes[(m)->m_type]--; mbstat.m_mtypes[TYPE]++; \ (m)->m_type = TYPE; \ } /****************************************************** * Macros used for adding options to a tpdu header and for * parsing the headers. * Options are variable-length and must be bcopy-d because on the * RT your assignments must be N-word aligned for objects of length * N. Such a drag. *****************************************************/ struct tp_vbp { u_char tpv_code; char tpv_len; char tpv_val; }; #define vbptr(x) ((struct tp_vbp *)(x)) #define vbval(x,type) (*((type *)&(((struct tp_vbp *)(x))->tpv_val))) #define vbcode(x) (vbptr(x)->tpv_code) #define vblen(x) (vbptr(x)->tpv_len) #define vb_putval(dst,type,src)\ bcopy((caddr_t)&(src),(caddr_t)&(((struct tp_vbp *)(dst))->tpv_val),\ sizeof(type)) #define vb_getval(src,type,dst)\ bcopy((caddr_t)&(((struct tp_vbp *)(src))->tpv_val),(caddr_t)&(dst),sizeof(type)) #define ADDOPTION(type, DU, len, src)\ { register caddr_t P;\ P = (caddr_t)(DU) + (int)((DU)->tpdu_li);\ vbptr(P)->tpv_code = type;\ vbptr(P)->tpv_len = len;\ bcopy((caddr_t)&src, (caddr_t)&(vbptr(P)->tpv_val), (unsigned)len);\ DU->tpdu_li += len+2;/* 1 for code, 1 for length */\ } /****************************************************** * Macro for the local credit: * uses max transmission unit for the ll * (as modified by the max TPDU size negotiated) *****************************************************/ #if defined(ARGO_DEBUG)&&!defined(LOCAL_CREDIT_EXPAND) #define LOCAL_CREDIT(tpcb) tp_local_credit(tpcb) #else #define LOCAL_CREDIT( tpcb ) {\ register struct sockbuf *xxsb = &((tpcb)->tp_sock->so_rcv);\ register int xxi = ((xxsb)->sb_hiwat-(xxsb)->sb_cc);\ register int maxcredit = ((tpcb)->tp_xtd_format?0xffff:0xf);\ xxi = (xxi<0) ? 0 : ((xxi)>>(tpcb)->tp_tpdusize);\ xxi = MIN(xxi, maxcredit); \ if (!(tpcb->tp_cebit_off)) { \ (tpcb)->tp_lcredit = ROUND((tpcb)->tp_win_recv); \ if (xxi < (tpcb)->tp_lcredit) { \ (tpcb)->tp_lcredit = xxi; \ } \ } \ else { \ (tpcb)->tp_lcredit = xxi; \ } \ } #endif /* ARGO_DEBUG */ #ifdef _KERNEL #ifndef tp_NSTATES #include "tp_states.h" #include "tp_events.h" #endif /* tp_NSTATES */ #endif /* _KERNEL */ #endif /* __TP_PARAM__ */