1 /*********************************************************** 2 Copyright IBM Corporation 1987 3 4 All Rights Reserved 5 6 Permission to use, copy, modify, and distribute this software and its 7 documentation for any purpose and without fee is hereby granted, 8 provided that the above copyright notice appear in all copies and that 9 both that copyright notice and this permission notice appear in 10 supporting documentation, and that the name of IBM not be 11 used in advertising or publicity pertaining to distribution of the 12 software without specific, written prior permission. 13 14 IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING 15 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL 16 IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR 17 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 18 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 19 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 20 SOFTWARE. 21 22 ******************************************************************/ 23 24 /* 25 * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison 26 */ 27 /* 28 * ARGO TP 29 * 30 * $Header: tp_stat.h,v 5.4 88/11/18 17:28:38 nhall Exp $ 31 * $Source: /usr/argo/sys/netiso/RCS/tp_stat.h,v $ 32 * 33 * Here are the data structures in which the global 34 * statistics(counters) are gathered. 35 */ 36 37 #ifndef __TP_STAT__ 38 #define __TP_STAT__ 39 40 struct tp_stat { 41 u_long ts_param_ignored; 42 u_long ts_unused3; 43 u_long ts_bad_csum; 44 45 u_long ts_inv_length; 46 u_long ts_inv_pcode; 47 u_long ts_inv_dutype; 48 u_long ts_negotfailed; 49 u_long ts_inv_dref; 50 u_long ts_inv_pval; 51 u_long ts_inv_sufx; 52 53 u_long ts_xtd_fmt; 54 u_long ts_use_txpd; 55 u_long ts_csum_off; 56 u_long ts_send_drop; 57 u_long ts_recv_drop; 58 59 u_long ts_xpd_intheway;/* xpd mark caused data flow to stop */ 60 u_long ts_xpdmark_del; /* xpd markers thrown away */ 61 u_long ts_dt_ooo; /* dt tpdus received out of order */ 62 u_long ts_dt_niw; /* dt tpdus received & not in window */ 63 u_long ts_xpd_niw; /* xpd tpdus received & not in window */ 64 u_long ts_xpd_dup; 65 u_long ts_dt_dup; /* dt tpdus received & are duplicates */ 66 67 u_long ts_zfcdt; /* # times f credit went down to 0 */ 68 u_long ts_lcdt_reduced; /* 69 # times local cdt reduced on an acknowledgement. 70 */ 71 72 u_long ts_pkt_rcvd; /* from ip */ 73 u_long ts_tpdu_rcvd; /* accepted as a TPDU in tp_input */ 74 u_long ts_tpdu_sent; 75 u_long ts_unused2; 76 77 u_long ts_retrans_cr; 78 u_long ts_retrans_cc; 79 u_long ts_retrans_dr; 80 u_long ts_retrans_dt; 81 u_long ts_retrans_xpd; 82 u_long ts_conn_gaveup; 83 84 u_long ts_ER_sent; 85 u_long ts_DT_sent; 86 u_long ts_XPD_sent; 87 u_long ts_AK_sent; 88 u_long ts_XAK_sent; 89 u_long ts_DR_sent; 90 u_long ts_DC_sent; 91 u_long ts_CR_sent; 92 u_long ts_CC_sent; 93 94 u_long ts_ER_rcvd; 95 u_long ts_DT_rcvd; 96 u_long ts_XPD_rcvd; 97 u_long ts_AK_rcvd; 98 u_long ts_XAK_rcvd; 99 u_long ts_DR_rcvd; 100 u_long ts_DC_rcvd; 101 u_long ts_CR_rcvd; 102 u_long ts_CC_rcvd; 103 104 u_long ts_Eticks; 105 u_long ts_Eexpired; 106 u_long ts_Eset; 107 u_long ts_Ecan_act; 108 u_long ts_Cticks; 109 u_long ts_Cexpired; 110 u_long ts_Cset; 111 u_long ts_Ccan_act; 112 u_long ts_Ccan_inact; 113 114 u_long ts_concat_rcvd; 115 116 u_long ts_zdebug; /* zero dref to test timeout on conn estab tp_input.c */ 117 u_long ts_ydebug; /* throw away pseudo-random pkts tp_input.c */ 118 u_long ts_unused5; 119 u_long ts_unused; /* kludged concat to test separation tp_emit.c */ 120 u_long ts_vdebug; /* kludge to test input size checking tp_emit.c */ 121 u_long ts_unused4; 122 u_long ts_ldebug; /* faked a renegging of credit */ 123 124 u_long ts_mb_small; 125 u_long ts_mb_cluster; 126 u_long ts_mb_len_distr[17]; 127 128 u_long ts_eot_input; 129 u_long ts_eot_user; 130 u_long ts_EOT_sent; 131 u_long ts_tp0_conn; 132 u_long ts_tp4_conn; 133 u_long ts_quench; 134 u_long ts_rcvdecbit; 135 136 #define NRTT_CATEGORIES 4 137 /* The 4 categories are: 138 * 0 --> tp_flags: ~TPF_PEER_ON_SAMENET | TPF_NL_PDN 139 * 1 --> tp_flags: ~TPF_PEER_ON_SAMENET | ~TPF_NL_PDN 140 * 2 --> tp_flags: TPF_PEER_ON_SAMENET | ~TPF_NL_PDN 141 * 3 --> tp_flags: TPF_PEER_ON_SAMENET | TPF_NL_PDN 142 */ 143 struct timeval ts_rtt[NRTT_CATEGORIES]; 144 struct timeval ts_rtv[NRTT_CATEGORIES]; 145 146 u_long ts_ackreason[_ACK_NUM_REASONS_]; 147 /* ACK_DONT 0 / ACK_STRAT_EACH 0x1 / ACK_STRAT_FULLWIN 0x4 148 * ACK_DUP 0x8 / ACK_EOT 0x10 / ACK_REORDER 0x20 149 * ACK_USRRCV ** 150 * ACK_FCC ** 151 */ 152 } tp_stat ; 153 154 #define IncStat(x) tp_stat./**/x/**/++ 155 156 #ifdef TP_PERF_MEAS 157 158 #define PStat(Tpcb, X) (Tpcb)->tp_p_meas->/**/X/**/ 159 #define IncPStat(Tpcb, X) if((Tpcb)->tp_perf_on) (Tpcb)->tp_p_meas->/**/X/**/++ 160 161 /* BEWARE OF MACROS like this ^^^ must be sure it's surrounded by {} if 162 * it's used in an if-else statement. 163 */ 164 165 166 /* for perf measurement stuff: maximum window size it can handle */ 167 #define TP_PM_MAX 0xa /* 10 decimal */ 168 169 struct tp_pmeas { 170 /* the first few are distributions as a fn of window size 171 * only keep enough space for normal format plus 1 slot for 172 * extended format, in case any windows larger than 15 are used 173 */ 174 175 /* 176 * tps_npdusent: for each call to tp_sbsend, we inc the 177 * element representing the number of pdus sent in this call 178 */ 179 int tps_win_lim_by_cdt[TP_PM_MAX+1]; 180 int tps_win_lim_by_data[TP_PM_MAX+1]; 181 /* 182 * tps_sendtime: Each call to tp_sbsend() is timed. For 183 * Each window size, we keep the running average of the time 184 * taken by tp_sbsend() for each window size. 185 */ 186 struct timeval tps_sendtime[TP_PM_MAX+1]; 187 /* 188 * n_TMsendack: # times ack sent because timer went off 189 * n_ack_cuz_eot: # times ack sent due to EOTSDU on incoming packet 190 * n_ack_cuz_dup: # times ack sent for receiving a duplicate pkt. 191 * n_ack_cuz_fullwin: # times ack sent for receiving the full window. 192 * n_ack_cuz_doack: # times ack sent for having just reordered data. 193 */ 194 int tps_n_TMsendack; 195 int tps_n_ack_cuz_eot; 196 int tps_n_ack_cuz_fullwin; 197 int tps_n_ack_cuz_reorder; 198 int tps_n_ack_cuz_dup; 199 int tps_n_ack_cuz_strat; 200 /* 201 * when we send an ack: how much less than the "expected" window 202 * did we actually ack. For example: if we last sent a credit 203 * of 10, and we're acking now for whatever reason, and have 204 * only received 6 since our last credit advertisement, we'll 205 * keep the difference, 4, in this variable. 206 */ 207 int tps_ack_early[TP_PM_MAX+1]; 208 /* 209 * when we ack, for the # pkts we actually acked w/ this ack, 210 * how much cdt are we advertising? 211 * [ size of window acknowledged ] [ cdt we're giving ] 212 */ 213 int tps_cdt_acked[TP_PM_MAX+1][TP_PM_MAX+1]; 214 215 int tps_AK_sent; 216 int tps_XAK_sent; 217 int tps_DT_sent; 218 int tps_XPD_sent; 219 int tps_AK_rcvd; 220 int tps_XAK_rcvd; 221 int tps_DT_rcvd; 222 int tps_XPD_rcvd; 223 224 int Nb_from_sess; 225 int Nb_to_sess; 226 int Nb_to_ll; 227 int Nb_from_ll; 228 }; 229 230 #define IFPERF(tpcb) if (tpcb->tp_perf_on &&\ 231 (tpcb->tp_p_meas != (struct tp_pmeas *)0 )) { 232 #define ENDPERF } 233 234 #else 235 236 #define PStat(tpcb, x) /* no-op */ 237 #define IncPStat(tpcb, x) /* no-op */ 238 239 #ifndef STAR 240 #define STAR * 241 #endif STAR 242 #define IFPERF //*beginning of comment*/STAR 243 #define ENDPERF STAR/*end of comment*// 244 245 #endif TP_PERF_MEAS 246 247 #endif __TP_STAT__ 248