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Annotation of XNU/bsd/netiso/tp_stat.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*-
        !            23:  * Copyright (c) 1991, 1993
        !            24:  *     The Regents of the University of California.  All rights reserved.
        !            25:  *
        !            26:  * Redistribution and use in source and binary forms, with or without
        !            27:  * modification, are permitted provided that the following conditions
        !            28:  * are met:
        !            29:  * 1. Redistributions of source code must retain the above copyright
        !            30:  *    notice, this list of conditions and the following disclaimer.
        !            31:  * 2. Redistributions in binary form must reproduce the above copyright
        !            32:  *    notice, this list of conditions and the following disclaimer in the
        !            33:  *    documentation and/or other materials provided with the distribution.
        !            34:  * 3. All advertising materials mentioning features or use of this software
        !            35:  *    must display the following acknowledgement:
        !            36:  *     This product includes software developed by the University of
        !            37:  *     California, Berkeley and its contributors.
        !            38:  * 4. Neither the name of the University nor the names of its contributors
        !            39:  *    may be used to endorse or promote products derived from this software
        !            40:  *    without specific prior written permission.
        !            41:  *
        !            42:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            43:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            44:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            45:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            46:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            47:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            48:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            49:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            50:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            51:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            52:  * SUCH DAMAGE.
        !            53:  *
        !            54:  *     @(#)tp_stat.h   8.1 (Berkeley) 6/10/93
        !            55:  */
        !            56: 
        !            57: /***********************************************************
        !            58:                Copyright IBM Corporation 1987
        !            59: 
        !            60:                       All Rights Reserved
        !            61: 
        !            62: Permission to use, copy, modify, and distribute this software and its 
        !            63: documentation for any purpose and without fee is hereby granted, 
        !            64: provided that the above copyright notice appear in all copies and that
        !            65: both that copyright notice and this permission notice appear in 
        !            66: supporting documentation, and that the name of IBM not be
        !            67: used in advertising or publicity pertaining to distribution of the
        !            68: software without specific, written prior permission.  
        !            69: 
        !            70: IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
        !            71: ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
        !            72: IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
        !            73: ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
        !            74: WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
        !            75: ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
        !            76: SOFTWARE.
        !            77: 
        !            78: ******************************************************************/
        !            79: 
        !            80: /*
        !            81:  * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison
        !            82:  */
        !            83: /* 
        !            84:  * ARGO TP
        !            85:  *
        !            86:  * Here are the data structures in which the global
        !            87:  * statistics(counters) are gathered.
        !            88:  */
        !            89: 
        !            90: #ifndef __TP_STAT__
        !            91: #define __TP_STAT__
        !            92: 
        !            93: struct tp_stat {
        !            94:        u_long ts_param_ignored;
        !            95:        u_long ts_unused3;
        !            96:        u_long ts_bad_csum;
        !            97: 
        !            98:        u_long ts_inv_length;
        !            99:        u_long ts_inv_pcode;
        !           100:        u_long ts_inv_dutype;
        !           101:        u_long ts_negotfailed;
        !           102:        u_long ts_inv_dref;
        !           103:        u_long ts_inv_pval;
        !           104:        u_long ts_inv_sufx;
        !           105:        u_long ts_inv_aclass;
        !           106: 
        !           107:        u_long ts_xtd_fmt;
        !           108:        u_long ts_use_txpd;
        !           109:        u_long ts_csum_off;
        !           110:        u_long  ts_send_drop;
        !           111:        u_long  ts_recv_drop;
        !           112: 
        !           113:        u_long ts_xpd_intheway;/* xpd mark caused data flow to stop */
        !           114:        u_long ts_xpdmark_del;  /* xpd markers thrown away */
        !           115:        u_long ts_dt_ooo;               /* dt tpdus received out of order */
        !           116:        u_long ts_dt_niw;               /* dt tpdus received & not in window */
        !           117:        u_long ts_xpd_niw;              /* xpd tpdus received & not in window */
        !           118:        u_long ts_xpd_dup;              
        !           119:        u_long ts_dt_dup;               /* dt tpdus received & are duplicates */
        !           120: 
        !           121:        u_long ts_zfcdt;                /* # times f credit went down to 0 */
        !           122:        u_long ts_lcdt_reduced; /* 
        !           123:                # times local cdt reduced on an acknowledgement.
        !           124:                */
        !           125: 
        !           126:        u_long  ts_pkt_rcvd; /* from ip */
        !           127:        u_long  ts_tpdu_rcvd; /* accepted as a TPDU in tp_input */
        !           128:        u_long  ts_tpdu_sent;
        !           129:        u_long  ts_unused2;
        !           130: 
        !           131:        u_long  ts_retrans_cr;
        !           132:        u_long  ts_retrans_cc;
        !           133:        u_long  ts_retrans_dr;
        !           134:        u_long  ts_retrans_dt;
        !           135:        u_long  ts_retrans_xpd;
        !           136:        u_long  ts_conn_gaveup;
        !           137: 
        !           138:        u_long ts_ER_sent;
        !           139:        u_long  ts_DT_sent;
        !           140:        u_long  ts_XPD_sent;
        !           141:        u_long  ts_AK_sent;
        !           142:        u_long  ts_XAK_sent;
        !           143:        u_long  ts_DR_sent;
        !           144:        u_long  ts_DC_sent;
        !           145:        u_long  ts_CR_sent;
        !           146:        u_long  ts_CC_sent;
        !           147: 
        !           148:        u_long ts_ER_rcvd;
        !           149:        u_long  ts_DT_rcvd;
        !           150:        u_long  ts_XPD_rcvd;
        !           151:        u_long  ts_AK_rcvd;
        !           152:        u_long  ts_XAK_rcvd;
        !           153:        u_long  ts_DR_rcvd;
        !           154:        u_long  ts_DC_rcvd;
        !           155:        u_long  ts_CR_rcvd;
        !           156:        u_long  ts_CC_rcvd;
        !           157: 
        !           158:        u_long  ts_Eticks;
        !           159:        u_long  ts_Eexpired;
        !           160:        u_long  ts_Eset;
        !           161:        u_long  ts_Ecan_act;
        !           162:        u_long  ts_Cticks;
        !           163:        u_long  ts_Cexpired;
        !           164:        u_long  ts_Cset;
        !           165:        u_long  ts_Ccan_act;
        !           166:        u_long  ts_Ccan_inact;
        !           167:        u_long  ts_Fdelack;
        !           168:        u_long  ts_Fpruned;
        !           169: 
        !           170:        u_long  ts_concat_rcvd;
        !           171: 
        !           172:        u_long  ts_zdebug; /* zero dref to test timeout on conn estab tp_input.c */
        !           173:        u_long ts_ydebug; /* throw away pseudo-random pkts tp_input.c */
        !           174:        u_long ts_unused5;
        !           175:        u_long ts_unused; /* kludged concat to test separation tp_emit.c */
        !           176:        u_long ts_vdebug; /* kludge to test input size checking tp_emit.c */
        !           177:        u_long ts_unused4;
        !           178:        u_long ts_ldebug; /* faked a renegging of credit */
        !           179: 
        !           180:        u_long ts_mb_small;
        !           181:        u_long ts_mb_cluster;
        !           182:        u_long ts_mb_len_distr[17];
        !           183: 
        !           184:        u_long ts_eot_input;
        !           185:        u_long ts_eot_user;
        !           186:        u_long  ts_EOT_sent;
        !           187:        u_long ts_tp0_conn;
        !           188:        u_long ts_tp4_conn;
        !           189:        u_long ts_quench;
        !           190:        u_long ts_rcvdecbit;
        !           191: 
        !           192: #define NRTT_CATEGORIES 4
        !           193:        /*  The 4 categories are:
        !           194:         * 0 --> tp_flags: ~TPF_PEER_ON_SAMENET |  TPF_NL_PDN
        !           195:         * 1 --> tp_flags: ~TPF_PEER_ON_SAMENET | ~TPF_NL_PDN
        !           196:         * 2 --> tp_flags:  TPF_PEER_ON_SAMENET | ~TPF_NL_PDN
        !           197:         * 3 --> tp_flags:  TPF_PEER_ON_SAMENET |  TPF_NL_PDN
        !           198:         */
        !           199:        int ts_rtt[NRTT_CATEGORIES];
        !           200:        int ts_rtv[NRTT_CATEGORIES];
        !           201: 
        !           202:        u_long ts_ackreason[_ACK_NUM_REASONS_];
        !           203:                /*  ACK_DONT 0 / ACK_STRAT_EACH 0x1 / ACK_STRAT_FULLWIN 0x4
        !           204:                 *      ACK_DUP 0x8 / ACK_EOT 0x10  / ACK_REORDER 0x20
        !           205:                 *      ACK_USRRCV **
        !           206:                 *      ACK_FCC **
        !           207:                 */
        !           208: } tp_stat ;
        !           209: #define        TP_PM_MAX                       0xa /* 10 decimal */
        !           210: 
        !           211: #define IncStat(x) tp_stat./**/x/**/++
        !           212: 
        !           213: #ifdef TP_PERF_MEAS
        !           214: 
        !           215: #define PStat(Tpcb, X) (Tpcb)->tp_p_meas->/**/X/**/
        !           216: #define IncPStat(Tpcb, X) if((Tpcb)->tp_perf_on) (Tpcb)->tp_p_meas->/**/X/**/++
        !           217: 
        !           218: /* BEWARE OF MACROS like this ^^^ must be sure it's surrounded by {} if
        !           219:  * it's used in an if-else statement. 
        !           220:  */
        !           221: 
        !           222: 
        !           223: /* for perf measurement stuff: maximum window size it can handle */
        !           224: 
        !           225: struct tp_pmeas {
        !           226:                /* the first few are distributions as a fn of window size 
        !           227:                 * only keep enough space for normal format plus 1 slot for
        !           228:                 * extended format, in case any windows larger than 15 are used
        !           229:                 */
        !           230: 
        !           231:                /* 
        !           232:                 * tps_npdusent: for each call to tp_sbsend, we inc the 
        !           233:                 * element representing the number of pdus sent in this call
        !           234:                 */
        !           235:                int             tps_win_lim_by_cdt[TP_PM_MAX+1]; 
        !           236:                int             tps_win_lim_by_data[TP_PM_MAX+1]; 
        !           237:                /* 
        !           238:                 * tps_sendtime: Each call to tp_sbsend() is timed.  For
        !           239:                 * Each window size, we keep the running average of the time
        !           240:                 * taken by tp_sbsend() for each window size.
        !           241:                 */
        !           242:                int     tps_sendtime[TP_PM_MAX+1]; 
        !           243:                /*
        !           244:                 * n_TMsendack: # times ack sent because timer went off
        !           245:                 * n_ack_cuz_eot: # times ack sent due to EOTSDU on incoming packet
        !           246:                 * n_ack_cuz_dup: # times ack sent for receiving a duplicate pkt.
        !           247:                 * n_ack_cuz_fullwin: # times ack sent for receiving the full window.
        !           248:                 * n_ack_cuz_doack: # times ack sent for having just reordered data.
        !           249:                 */
        !           250:                int             tps_n_TMsendack;
        !           251:                int             tps_n_ack_cuz_eot;
        !           252:                int             tps_n_ack_cuz_fullwin;
        !           253:                int             tps_n_ack_cuz_reorder;
        !           254:                int             tps_n_ack_cuz_dup;
        !           255:                int             tps_n_ack_cuz_strat;
        !           256:                /*
        !           257:                 * when we send an ack: how much less than the "expected" window
        !           258:                 * did we actually ack.  For example: if we last sent a credit
        !           259:                 * of 10, and we're acking now for whatever reason, and have
        !           260:                 * only received 6 since our last credit advertisement, we'll
        !           261:                 * keep the difference, 4, in this variable.
        !           262:                 */
        !           263:                int             tps_ack_early[TP_PM_MAX+1]; 
        !           264:                /*
        !           265:                 * when we ack, for the # pkts we actually acked w/ this ack,
        !           266:                 * how much cdt are we advertising?
        !           267:                 * [ size of window acknowledged ] [ cdt we're giving ]
        !           268:                 */
        !           269:                int             tps_cdt_acked[TP_PM_MAX+1][TP_PM_MAX+1]; 
        !           270: 
        !           271:                int     tps_AK_sent;
        !           272:                int     tps_XAK_sent;
        !           273:                int     tps_DT_sent;
        !           274:                int     tps_XPD_sent;
        !           275:                int     tps_AK_rcvd;
        !           276:                int     tps_XAK_rcvd;
        !           277:                int     tps_DT_rcvd;
        !           278:                int     tps_XPD_rcvd;
        !           279: 
        !           280:                int             Nb_from_sess;
        !           281:                int             Nb_to_sess;
        !           282:                int             Nb_to_ll;
        !           283:                int             Nb_from_ll;
        !           284: };
        !           285: 
        !           286: #define  IFPERF(tpcb)  if (tpcb->tp_perf_on && tpcb->tp_p_meas) {
        !           287: #define  ENDPERF }
        !           288: 
        !           289: #else
        !           290: 
        !           291: int PStat_Junk;
        !           292: #define PStat(tpcb, x)  PStat_Junk
        !           293: #define IncPStat(tpcb, x)  /* no-op */
        !           294: #define tpmeas(a,b,c,d,e,f) 0
        !           295: 
        !           296: #define IFPERF(x)      if (0) {
        !           297: #define ENDPERF }
        !           298: 
        !           299: #endif /* TP_PERF_MEAS */
        !           300: 
        !           301: #endif /* __TP_STAT__ */

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