285 lines
8.8 KiB
C
285 lines
8.8 KiB
C
/*-
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* Copyright (c) 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)tp_stat.h 8.1 (Berkeley) 6/10/93
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* $Id: tp_stat.h,v 1.3 1994/08/21 06:14:28 paul Exp $
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*/
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#ifndef _NETISO_TP_STAT_H_
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#define _NETISO_TP_STAT_H_
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/***********************************************************
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Copyright IBM Corporation 1987
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of IBM not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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/*
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* ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
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*/
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/*
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* ARGO TP
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*
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* $Header: /home/ncvs/src/sys/netiso/tp_stat.h,v 1.3 1994/08/21 06:14:28 paul Exp $
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* $Source: /home/ncvs/src/sys/netiso/tp_stat.h,v $
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*
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* Here are the data structures in which the global
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* statistics(counters) are gathered.
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*/
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struct tp_stat {
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u_long ts_param_ignored;
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u_long ts_unused3;
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u_long ts_bad_csum;
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u_long ts_inv_length;
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u_long ts_inv_pcode;
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u_long ts_inv_dutype;
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u_long ts_negotfailed;
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u_long ts_inv_dref;
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u_long ts_inv_pval;
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u_long ts_inv_sufx;
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u_long ts_inv_aclass;
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u_long ts_xtd_fmt;
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u_long ts_use_txpd;
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u_long ts_csum_off;
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u_long ts_send_drop;
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u_long ts_recv_drop;
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u_long ts_xpd_intheway;/* xpd mark caused data flow to stop */
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u_long ts_xpdmark_del; /* xpd markers thrown away */
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u_long ts_dt_ooo; /* dt tpdus received out of order */
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u_long ts_dt_niw; /* dt tpdus received & not in window */
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u_long ts_xpd_niw; /* xpd tpdus received & not in window */
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u_long ts_xpd_dup;
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u_long ts_dt_dup; /* dt tpdus received & are duplicates */
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u_long ts_zfcdt; /* # times f credit went down to 0 */
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u_long ts_lcdt_reduced; /*
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# times local cdt reduced on an acknowledgement.
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*/
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u_long ts_pkt_rcvd; /* from ip */
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u_long ts_tpdu_rcvd; /* accepted as a TPDU in tp_input */
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u_long ts_tpdu_sent;
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u_long ts_unused2;
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u_long ts_retrans_cr;
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u_long ts_retrans_cc;
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u_long ts_retrans_dr;
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u_long ts_retrans_dt;
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u_long ts_retrans_xpd;
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u_long ts_conn_gaveup;
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u_long ts_ER_sent;
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u_long ts_DT_sent;
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u_long ts_XPD_sent;
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u_long ts_AK_sent;
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u_long ts_XAK_sent;
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u_long ts_DR_sent;
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u_long ts_DC_sent;
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u_long ts_CR_sent;
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u_long ts_CC_sent;
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u_long ts_ER_rcvd;
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u_long ts_DT_rcvd;
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u_long ts_XPD_rcvd;
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u_long ts_AK_rcvd;
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u_long ts_XAK_rcvd;
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u_long ts_DR_rcvd;
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u_long ts_DC_rcvd;
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u_long ts_CR_rcvd;
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u_long ts_CC_rcvd;
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u_long ts_Eticks;
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u_long ts_Eexpired;
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u_long ts_Eset;
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u_long ts_Ecan_act;
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u_long ts_Cticks;
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u_long ts_Cexpired;
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u_long ts_Cset;
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u_long ts_Ccan_act;
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u_long ts_Ccan_inact;
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u_long ts_Fdelack;
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u_long ts_Fpruned;
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u_long ts_concat_rcvd;
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u_long ts_zdebug; /* zero dref to test timeout on conn estab tp_input.c */
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u_long ts_ydebug; /* throw away pseudo-random pkts tp_input.c */
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u_long ts_unused5;
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u_long ts_unused; /* kludged concat to test separation tp_emit.c */
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u_long ts_vdebug; /* kludge to test input size checking tp_emit.c */
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u_long ts_unused4;
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u_long ts_ldebug; /* faked a renegging of credit */
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u_long ts_mb_small;
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u_long ts_mb_cluster;
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u_long ts_mb_len_distr[17];
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u_long ts_eot_input;
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u_long ts_eot_user;
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u_long ts_EOT_sent;
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u_long ts_tp0_conn;
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u_long ts_tp4_conn;
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u_long ts_quench;
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u_long ts_rcvdecbit;
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#define NRTT_CATEGORIES 4
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/* The 4 categories are:
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* 0 --> tp_flags: ~TPF_PEER_ON_SAMENET | TPF_NL_PDN
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* 1 --> tp_flags: ~TPF_PEER_ON_SAMENET | ~TPF_NL_PDN
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* 2 --> tp_flags: TPF_PEER_ON_SAMENET | ~TPF_NL_PDN
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* 3 --> tp_flags: TPF_PEER_ON_SAMENET | TPF_NL_PDN
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*/
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int ts_rtt[NRTT_CATEGORIES];
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int ts_rtv[NRTT_CATEGORIES];
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u_long ts_ackreason[_ACK_NUM_REASONS_];
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/* ACK_DONT 0 / ACK_STRAT_EACH 0x1 / ACK_STRAT_FULLWIN 0x4
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* ACK_DUP 0x8 / ACK_EOT 0x10 / ACK_REORDER 0x20
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* ACK_USRRCV **
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* ACK_FCC **
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*/
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} tp_stat ;
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#define TP_PM_MAX 0xa /* 10 decimal */
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#define IncStat(x) tp_stat./**/x/**/++
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#ifdef TP_PERF_MEAS
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#define PStat(Tpcb, X) (Tpcb)->tp_p_meas->/**/X/**/
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#define IncPStat(Tpcb, X) if((Tpcb)->tp_perf_on) (Tpcb)->tp_p_meas->/**/X/**/++
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/* BEWARE OF MACROS like this ^^^ must be sure it's surrounded by {} if
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* it's used in an if-else statement.
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*/
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/* for perf measurement stuff: maximum window size it can handle */
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struct tp_pmeas {
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/* the first few are distributions as a fn of window size
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* only keep enough space for normal format plus 1 slot for
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* extended format, in case any windows larger than 15 are used
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*/
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/*
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* tps_npdusent: for each call to tp_sbsend, we inc the
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* element representing the number of pdus sent in this call
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*/
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int tps_win_lim_by_cdt[TP_PM_MAX+1];
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int tps_win_lim_by_data[TP_PM_MAX+1];
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/*
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* tps_sendtime: Each call to tp_sbsend() is timed. For
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* Each window size, we keep the running average of the time
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* taken by tp_sbsend() for each window size.
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*/
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int tps_sendtime[TP_PM_MAX+1];
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/*
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* n_TMsendack: # times ack sent because timer went off
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* n_ack_cuz_eot: # times ack sent due to EOTSDU on incoming packet
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* n_ack_cuz_dup: # times ack sent for receiving a duplicate pkt.
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* n_ack_cuz_fullwin: # times ack sent for receiving the full window.
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* n_ack_cuz_doack: # times ack sent for having just reordered data.
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*/
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int tps_n_TMsendack;
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int tps_n_ack_cuz_eot;
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int tps_n_ack_cuz_fullwin;
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int tps_n_ack_cuz_reorder;
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int tps_n_ack_cuz_dup;
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int tps_n_ack_cuz_strat;
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/*
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* when we send an ack: how much less than the "expected" window
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* did we actually ack. For example: if we last sent a credit
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* of 10, and we're acking now for whatever reason, and have
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* only received 6 since our last credit advertisement, we'll
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* keep the difference, 4, in this variable.
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*/
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int tps_ack_early[TP_PM_MAX+1];
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/*
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* when we ack, for the # pkts we actually acked w/ this ack,
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* how much cdt are we advertising?
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* [ size of window acknowledged ] [ cdt we're giving ]
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*/
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int tps_cdt_acked[TP_PM_MAX+1][TP_PM_MAX+1];
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int tps_AK_sent;
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int tps_XAK_sent;
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int tps_DT_sent;
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int tps_XPD_sent;
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int tps_AK_rcvd;
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int tps_XAK_rcvd;
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int tps_DT_rcvd;
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int tps_XPD_rcvd;
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int Nb_from_sess;
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int Nb_to_sess;
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int Nb_to_ll;
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int Nb_from_ll;
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};
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#define IFPERF(tpcb) if (tpcb->tp_perf_on && tpcb->tp_p_meas) {
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#define ENDPERF }
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#else
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int PStat_Junk;
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#define PStat(tpcb, x) PStat_Junk
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#define IncPStat(tpcb, x) /* no-op */
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#define tpmeas(a,b,c,d,e,f) 0
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#define IFPERF(x) if (0) {
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#define ENDPERF }
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#endif /* TP_PERF_MEAS */
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#endif
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