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Diffstat (limited to 'sys/netiso/tp_param.h')
| -rw-r--r-- | sys/netiso/tp_param.h | 367 |
1 files changed, 367 insertions, 0 deletions
diff --git a/sys/netiso/tp_param.h b/sys/netiso/tp_param.h new file mode 100644 index 0000000..f1862a2 --- /dev/null +++ b/sys/netiso/tp_param.h @@ -0,0 +1,367 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)tp_param.h 8.1 (Berkeley) 6/10/93 + */ + +/*********************************************************** + Copyright IBM Corporation 1987 + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the name of IBM not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +******************************************************************/ + +/* + * 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 $ + * + */ + +#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 */ +#ifdef KERNEL +extern int N_TPREF; +#endif + +#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 12 /* TCP_MAXRXTSHIFT + 1 */ +#define TP_MAXRXTSHIFT 6 /* factor of 64 */ +#define TP_MAXPORT 0xefff + +/* 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 +#define TP_REXMTVAL(tpcb)\ + ((tp_rttadd + (tpcb)->tp_rtt + ((tpcb)->tp_rtv) << 2) / tp_rttdiv) +#define TP_RANGESET(tv, value, min, max) \ + ((tv = value) > (max) ? (tv = max) : (tv < min ? tv = min : tv)) + +/* + * 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 */ +#define TPP_ptpdu_size 0xf0 /* preferred TPDU size */ +#define TPP_inact_time 0xf2 /* inactivity time exchanged */ + + +/****************************************************** + * 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; + +/****************************************************** + * 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) + +#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;\ + }\ +} + +/****************************************************** + * 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) { if (tpcb->tp_rsycnt == 0) {\ + register struct sockbuf *xxsb = &((tpcb)->tp_sock->so_rcv);\ + register int xxi = sbspace(xxsb);\ + xxi = (xxi<0) ? 0 : ((xxi) / (tpcb)->tp_l_tpdusize);\ + xxi = min(xxi, (tpcb)->tp_maxlcredit); \ + 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 +extern int tp_rttadd, tp_rttdiv; +#include <sys/syslog.h> +#define printf logpri(LOG_DEBUG),addlog + +#ifndef tp_NSTATES + +#include <netiso/tp_states.h> +#include <netiso/tp_events.h> +#if defined(__STDC__) || defined(__cplusplus) +#undef ATTR +#define ATTR(X) ev_union.EV_ ## X +#endif /* defined(__STDC__) || defined(__cplusplus) */ + +#endif /* tp_NSTATES */ +#endif /* KERNEL */ + +#endif /* __TP_PARAM__ */ |
