1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2011, Joyent Inc. All rights reserved. 25 * Copyright (c) 2015, 2016 by Delphix. All rights reserved. 26 * Copyright 2019 OmniOS Community Edition (OmniOSce) Association. 27 * Copyright 2024 Oxide Computer Company 28 */ 29 30 #include <sys/types.h> 31 #include <sys/tihdr.h> 32 #include <sys/policy.h> 33 #include <sys/tsol/tnet.h> 34 #include <sys/kstat.h> 35 #include <sys/stropts.h> 36 #include <sys/strsubr.h> 37 #include <sys/socket.h> 38 #include <sys/socketvar.h> 39 40 #include <inet/common.h> 41 #include <inet/ip.h> 42 #include <inet/tcp.h> 43 #include <inet/tcp_impl.h> 44 #include <inet/tcp_stats.h> 45 #include <inet/kstatcom.h> 46 #include <inet/snmpcom.h> 47 48 static int tcp_kstat_update(kstat_t *, int); 49 static int tcp_kstat2_update(kstat_t *, int); 50 static void tcp_sum_mib(tcp_stack_t *, mib2_tcp_t *); 51 52 static void tcp_add_mib(mib2_tcp_t *, mib2_tcp_t *); 53 static void tcp_add_stats(tcp_stat_counter_t *, tcp_stat_t *); 54 static void tcp_clr_stats(tcp_stat_t *); 55 56 tcp_g_stat_t tcp_g_statistics; 57 kstat_t *tcp_g_kstat; 58 59 /* Translate TCP state to MIB2 TCP state. */ 60 static int 61 tcp_snmp_state(tcp_t *tcp) 62 { 63 if (tcp == NULL) 64 return (0); 65 66 switch (tcp->tcp_state) { 67 case TCPS_CLOSED: 68 case TCPS_IDLE: /* RFC1213 doesn't have analogue for IDLE & BOUND */ 69 case TCPS_BOUND: 70 return (MIB2_TCP_closed); 71 case TCPS_LISTEN: 72 return (MIB2_TCP_listen); 73 case TCPS_SYN_SENT: 74 return (MIB2_TCP_synSent); 75 case TCPS_SYN_RCVD: 76 return (MIB2_TCP_synReceived); 77 case TCPS_ESTABLISHED: 78 return (MIB2_TCP_established); 79 case TCPS_CLOSE_WAIT: 80 return (MIB2_TCP_closeWait); 81 case TCPS_FIN_WAIT_1: 82 return (MIB2_TCP_finWait1); 83 case TCPS_CLOSING: 84 return (MIB2_TCP_closing); 85 case TCPS_LAST_ACK: 86 return (MIB2_TCP_lastAck); 87 case TCPS_FIN_WAIT_2: 88 return (MIB2_TCP_finWait2); 89 case TCPS_TIME_WAIT: 90 return (MIB2_TCP_timeWait); 91 default: 92 return (0); 93 } 94 } 95 96 static void 97 tcp_set_conninfo(tcp_t *tcp, struct tcpConnEntryInfo_s *tcei, boolean_t ispriv) 98 { 99 /* Don't want just anybody seeing these... */ 100 if (ispriv) { 101 tcei->ce_snxt = tcp->tcp_snxt; 102 tcei->ce_suna = tcp->tcp_suna; 103 tcei->ce_rnxt = tcp->tcp_rnxt; 104 tcei->ce_rack = tcp->tcp_rack; 105 } else { 106 /* 107 * Netstat, unfortunately, uses this to get send/receive queue 108 * sizes. How to fix? Why not compute the difference only? 109 */ 110 tcei->ce_snxt = tcp->tcp_snxt - tcp->tcp_suna; 111 tcei->ce_suna = 0; 112 tcei->ce_rnxt = tcp->tcp_rnxt - tcp->tcp_rack; 113 tcei->ce_rack = 0; 114 } 115 116 tcei->ce_in_data_inorder_bytes = tcp->tcp_cs.tcp_in_data_inorder_bytes; 117 tcei->ce_in_data_inorder_segs = tcp->tcp_cs.tcp_in_data_inorder_segs; 118 tcei->ce_in_data_unorder_bytes = tcp->tcp_cs.tcp_in_data_unorder_bytes; 119 tcei->ce_in_data_unorder_segs = tcp->tcp_cs.tcp_in_data_unorder_segs; 120 tcei->ce_in_zwnd_probes = tcp->tcp_cs.tcp_in_zwnd_probes; 121 122 tcei->ce_out_data_bytes = tcp->tcp_cs.tcp_out_data_bytes; 123 tcei->ce_out_data_segs = tcp->tcp_cs.tcp_out_data_segs; 124 tcei->ce_out_retrans_bytes = tcp->tcp_cs.tcp_out_retrans_bytes; 125 tcei->ce_out_retrans_segs = tcp->tcp_cs.tcp_out_retrans_segs; 126 tcei->ce_out_zwnd_probes = tcp->tcp_cs.tcp_out_zwnd_probes; 127 128 tcei->ce_unsent = tcp->tcp_unsent; 129 tcei->ce_swnd = tcp->tcp_swnd; 130 tcei->ce_cwnd = tcp->tcp_cwnd; 131 tcei->ce_rwnd = tcp->tcp_rwnd; 132 tcei->ce_rto = tcp->tcp_rto; 133 tcei->ce_mss = tcp->tcp_mss; 134 tcei->ce_state = tcp->tcp_state; 135 tcei->ce_rtt_sa = NSEC2USEC(tcp->tcp_rtt_sa >> 3); 136 tcei->ce_rtt_sum = NSEC2USEC(tcp->tcp_rtt_sum); 137 tcei->ce_rtt_cnt = tcp->tcp_rtt_cnt; 138 } 139 140 /* 141 * Return SNMP stuff in buffer in mpdata. 142 */ 143 mblk_t * 144 tcp_snmp_get(queue_t *q, mblk_t *mpctl, boolean_t legacy_req) 145 { 146 mblk_t *mpdata; 147 mblk_t *mp_conn_ctl = NULL; 148 mblk_t *mp_conn_tail; 149 mblk_t *mp_attr_ctl = NULL; 150 mblk_t *mp_attr_tail; 151 mblk_t *mp_info_ctl = NULL; 152 mblk_t *mp_info_tail; 153 mblk_t *mp6_conn_ctl = NULL; 154 mblk_t *mp6_conn_tail; 155 mblk_t *mp6_attr_ctl = NULL; 156 mblk_t *mp6_attr_tail; 157 mblk_t *mp6_info_ctl = NULL; 158 mblk_t *mp6_info_tail; 159 struct opthdr *optp; 160 mib2_tcpConnEntry_t tce; 161 mib2_tcp6ConnEntry_t tce6; 162 mib2_transportMLPEntry_t mlp; 163 mib2_socketInfoEntry_t *sie, psie; 164 connf_t *connfp; 165 int i; 166 boolean_t ispriv; 167 zoneid_t zoneid; 168 int v4_conn_idx; 169 int v6_conn_idx; 170 conn_t *connp = Q_TO_CONN(q); 171 tcp_stack_t *tcps; 172 ip_stack_t *ipst; 173 mblk_t *mp2ctl; 174 mib2_tcp_t tcp_mib; 175 size_t tcp_mib_size, tce_size, tce6_size; 176 177 /* 178 * make a copy of the original message 179 */ 180 mp2ctl = copymsg(mpctl); 181 182 if (mpctl == NULL || 183 (mpdata = mpctl->b_cont) == NULL || 184 (mp_conn_ctl = copymsg(mpctl)) == NULL || 185 (mp_attr_ctl = copymsg(mpctl)) == NULL || 186 (mp_info_ctl = copymsg(mpctl)) == NULL || 187 (mp6_conn_ctl = copymsg(mpctl)) == NULL || 188 (mp6_attr_ctl = copymsg(mpctl)) == NULL || 189 (mp6_info_ctl = copymsg(mpctl)) == NULL) { 190 freemsg(mp_conn_ctl); 191 freemsg(mp_attr_ctl); 192 freemsg(mp_info_ctl); 193 freemsg(mp6_conn_ctl); 194 freemsg(mp6_attr_ctl); 195 freemsg(mp6_info_ctl); 196 freemsg(mpctl); 197 freemsg(mp2ctl); 198 return (NULL); 199 } 200 201 ipst = connp->conn_netstack->netstack_ip; 202 tcps = connp->conn_netstack->netstack_tcp; 203 204 if (legacy_req) { 205 tcp_mib_size = LEGACY_MIB_SIZE(&tcp_mib, mib2_tcp_t); 206 tce_size = LEGACY_MIB_SIZE(&tce, mib2_tcpConnEntry_t); 207 tce6_size = LEGACY_MIB_SIZE(&tce6, mib2_tcp6ConnEntry_t); 208 } else { 209 tcp_mib_size = sizeof (mib2_tcp_t); 210 tce_size = sizeof (mib2_tcpConnEntry_t); 211 tce6_size = sizeof (mib2_tcp6ConnEntry_t); 212 } 213 214 bzero(&tcp_mib, sizeof (tcp_mib)); 215 216 /* build table of connections -- need count in fixed part */ 217 SET_MIB(tcp_mib.tcpRtoAlgorithm, 4); /* vanj */ 218 SET_MIB(tcp_mib.tcpRtoMin, tcps->tcps_rexmit_interval_min); 219 SET_MIB(tcp_mib.tcpRtoMax, tcps->tcps_rexmit_interval_max); 220 SET_MIB(tcp_mib.tcpMaxConn, -1); 221 SET_MIB(tcp_mib.tcpCurrEstab, 0); 222 223 ispriv = 224 secpolicy_ip_config((Q_TO_CONN(q))->conn_cred, B_TRUE) == 0; 225 zoneid = Q_TO_CONN(q)->conn_zoneid; 226 227 v4_conn_idx = v6_conn_idx = 0; 228 mp_conn_tail = mp_attr_tail = mp6_conn_tail = mp6_attr_tail = NULL; 229 mp_info_tail = mp6_info_tail = NULL; 230 231 for (i = 0; i < CONN_G_HASH_SIZE; i++) { 232 ipst = tcps->tcps_netstack->netstack_ip; 233 234 connfp = &ipst->ips_ipcl_globalhash_fanout[i]; 235 236 connp = NULL; 237 238 while ((connp = 239 ipcl_get_next_conn(connfp, connp, IPCL_TCPCONN)) != NULL) { 240 tcp_t *tcp; 241 boolean_t needattr; 242 243 if (connp->conn_zoneid != zoneid) 244 continue; /* not in this zone */ 245 246 tcp = connp->conn_tcp; 247 tce6.tcp6ConnState = tce.tcpConnState = 248 tcp_snmp_state(tcp); 249 if (tce.tcpConnState == MIB2_TCP_established || 250 tce.tcpConnState == MIB2_TCP_closeWait) 251 BUMP_MIB(&tcp_mib, tcpCurrEstab); 252 253 needattr = B_FALSE; 254 bzero(&mlp, sizeof (mlp)); 255 if (connp->conn_mlp_type != mlptSingle) { 256 if (connp->conn_mlp_type == mlptShared || 257 connp->conn_mlp_type == mlptBoth) 258 mlp.tme_flags |= MIB2_TMEF_SHARED; 259 if (connp->conn_mlp_type == mlptPrivate || 260 connp->conn_mlp_type == mlptBoth) 261 mlp.tme_flags |= MIB2_TMEF_PRIVATE; 262 needattr = B_TRUE; 263 } 264 if (connp->conn_anon_mlp) { 265 mlp.tme_flags |= MIB2_TMEF_ANONMLP; 266 needattr = B_TRUE; 267 } 268 switch (connp->conn_mac_mode) { 269 case CONN_MAC_DEFAULT: 270 break; 271 case CONN_MAC_AWARE: 272 mlp.tme_flags |= MIB2_TMEF_MACEXEMPT; 273 needattr = B_TRUE; 274 break; 275 case CONN_MAC_IMPLICIT: 276 mlp.tme_flags |= MIB2_TMEF_MACIMPLICIT; 277 needattr = B_TRUE; 278 break; 279 } 280 if (connp->conn_ixa->ixa_tsl != NULL) { 281 ts_label_t *tsl; 282 283 tsl = connp->conn_ixa->ixa_tsl; 284 mlp.tme_flags |= MIB2_TMEF_IS_LABELED; 285 mlp.tme_doi = label2doi(tsl); 286 mlp.tme_label = *label2bslabel(tsl); 287 needattr = B_TRUE; 288 } 289 290 /* Create a message to report on IPv6 entries */ 291 if (connp->conn_ipversion == IPV6_VERSION) { 292 tce6.tcp6ConnLocalAddress = 293 connp->conn_laddr_v6; 294 tce6.tcp6ConnRemAddress = 295 connp->conn_faddr_v6; 296 tce6.tcp6ConnLocalPort = 297 ntohs(connp->conn_lport); 298 tce6.tcp6ConnRemPort = 299 ntohs(connp->conn_fport); 300 if (connp->conn_ixa->ixa_flags & 301 IXAF_SCOPEID_SET) { 302 tce6.tcp6ConnIfIndex = 303 connp->conn_ixa->ixa_scopeid; 304 } else { 305 tce6.tcp6ConnIfIndex = 306 connp->conn_bound_if; 307 } 308 309 tcp_set_conninfo(tcp, &tce6.tcp6ConnEntryInfo, 310 ispriv); 311 312 tce6.tcp6ConnCreationProcess = 313 (connp->conn_cpid < 0) ? 314 MIB2_UNKNOWN_PROCESS : connp->conn_cpid; 315 tce6.tcp6ConnCreationTime = 316 connp->conn_open_time; 317 318 (void) snmp_append_data2(mp6_conn_ctl->b_cont, 319 &mp6_conn_tail, (char *)&tce6, tce6_size); 320 321 if (needattr) { 322 mlp.tme_connidx = v6_conn_idx; 323 (void) snmp_append_data2( 324 mp6_attr_ctl->b_cont, 325 &mp6_attr_tail, 326 (char *)&mlp, sizeof (mlp)); 327 } 328 329 if ((sie = conn_get_socket_info(connp, 330 &psie)) != NULL) { 331 sie->sie_connidx = v6_conn_idx; 332 (void) snmp_append_data2( 333 mp6_info_ctl->b_cont, 334 &mp6_info_tail, 335 (char *)sie, sizeof (*sie)); 336 } 337 338 v6_conn_idx++; 339 } 340 341 /* 342 * Create an IPv4 table entry for IPv4 entries and also 343 * for IPv6 entries which are bound to in6addr_any 344 * but don't have IPV6_V6ONLY set. 345 * (i.e. anything an IPv4 peer could connect to) 346 */ 347 if (connp->conn_ipversion == IPV4_VERSION || 348 (tcp->tcp_state <= TCPS_LISTEN && 349 !connp->conn_ipv6_v6only && 350 IN6_IS_ADDR_UNSPECIFIED(&connp->conn_laddr_v6))) { 351 if (connp->conn_ipversion == IPV6_VERSION) { 352 tce.tcpConnRemAddress = INADDR_ANY; 353 tce.tcpConnLocalAddress = INADDR_ANY; 354 } else { 355 tce.tcpConnRemAddress = 356 connp->conn_faddr_v4; 357 tce.tcpConnLocalAddress = 358 connp->conn_laddr_v4; 359 } 360 tce.tcpConnLocalPort = ntohs(connp->conn_lport); 361 tce.tcpConnRemPort = ntohs(connp->conn_fport); 362 363 tcp_set_conninfo(tcp, &tce.tcpConnEntryInfo, 364 ispriv); 365 366 tce.tcpConnCreationProcess = 367 (connp->conn_cpid < 0) ? 368 MIB2_UNKNOWN_PROCESS : 369 connp->conn_cpid; 370 tce.tcpConnCreationTime = connp->conn_open_time; 371 372 (void) snmp_append_data2(mp_conn_ctl->b_cont, 373 &mp_conn_tail, (char *)&tce, tce_size); 374 375 if (needattr) { 376 mlp.tme_connidx = v4_conn_idx; 377 (void) snmp_append_data2( 378 mp_attr_ctl->b_cont, 379 &mp_attr_tail, (char *)&mlp, 380 sizeof (mlp)); 381 } 382 383 if ((sie = conn_get_socket_info(connp, &psie)) 384 != NULL) { 385 sie->sie_connidx = v4_conn_idx; 386 if (connp->conn_ipversion == 387 IPV6_VERSION) 388 sie->sie_flags |= 389 MIB2_SOCKINFO_IPV6; 390 (void) snmp_append_data2( 391 mp_info_ctl->b_cont, &mp_info_tail, 392 (char *)sie, sizeof (*sie)); 393 } 394 395 v4_conn_idx++; 396 } 397 } 398 } 399 400 tcp_sum_mib(tcps, &tcp_mib); 401 402 /* Fixed length structure for IPv4 and IPv6 counters */ 403 SET_MIB(tcp_mib.tcpConnTableSize, tce_size); 404 SET_MIB(tcp_mib.tcp6ConnTableSize, tce6_size); 405 406 /* 407 * Synchronize 32- and 64-bit counters. Note that tcpInSegs and 408 * tcpOutSegs are not updated anywhere in TCP. The new 64 bits 409 * counters are used. Hence the old counters' values in tcp_sc_mib 410 * are always 0. 411 */ 412 SYNC32_MIB(&tcp_mib, tcpInSegs, tcpHCInSegs); 413 SYNC32_MIB(&tcp_mib, tcpOutSegs, tcpHCOutSegs); 414 415 optp = (struct opthdr *)&mpctl->b_rptr[sizeof (struct T_optmgmt_ack)]; 416 optp->level = MIB2_TCP; 417 optp->name = 0; 418 (void) snmp_append_data(mpdata, (char *)&tcp_mib, tcp_mib_size); 419 optp->len = msgdsize(mpdata); 420 qreply(q, mpctl); 421 422 /* table of connections... */ 423 optp = (struct opthdr *)&mp_conn_ctl->b_rptr[ 424 sizeof (struct T_optmgmt_ack)]; 425 optp->level = MIB2_TCP; 426 optp->name = MIB2_TCP_CONN; 427 optp->len = msgdsize(mp_conn_ctl->b_cont); 428 qreply(q, mp_conn_ctl); 429 430 /* table of MLP attributes... */ 431 optp = (struct opthdr *)&mp_attr_ctl->b_rptr[ 432 sizeof (struct T_optmgmt_ack)]; 433 optp->level = MIB2_TCP; 434 optp->name = EXPER_XPORT_MLP; 435 optp->len = msgdsize(mp_attr_ctl->b_cont); 436 if (optp->len == 0) 437 freemsg(mp_attr_ctl); 438 else 439 qreply(q, mp_attr_ctl); 440 441 /* table of socket info... */ 442 optp = (struct opthdr *)&mp_info_ctl->b_rptr[ 443 sizeof (struct T_optmgmt_ack)]; 444 optp->level = MIB2_TCP; 445 optp->name = EXPER_SOCK_INFO; 446 optp->len = msgdsize(mp_info_ctl->b_cont); 447 if (optp->len == 0) 448 freemsg(mp_info_ctl); 449 else 450 qreply(q, mp_info_ctl); 451 452 /* table of IPv6 connections... */ 453 optp = (struct opthdr *)&mp6_conn_ctl->b_rptr[ 454 sizeof (struct T_optmgmt_ack)]; 455 optp->level = MIB2_TCP6; 456 optp->name = MIB2_TCP6_CONN; 457 optp->len = msgdsize(mp6_conn_ctl->b_cont); 458 qreply(q, mp6_conn_ctl); 459 460 /* table of IPv6 MLP attributes... */ 461 optp = (struct opthdr *)&mp6_attr_ctl->b_rptr[ 462 sizeof (struct T_optmgmt_ack)]; 463 optp->level = MIB2_TCP6; 464 optp->name = EXPER_XPORT_MLP; 465 optp->len = msgdsize(mp6_attr_ctl->b_cont); 466 if (optp->len == 0) 467 freemsg(mp6_attr_ctl); 468 else 469 qreply(q, mp6_attr_ctl); 470 471 /* table of IPv6 socket info.. */ 472 optp = (struct opthdr *)&mp6_info_ctl->b_rptr[ 473 sizeof (struct T_optmgmt_ack)]; 474 optp->level = MIB2_TCP6; 475 optp->name = EXPER_SOCK_INFO; 476 optp->len = msgdsize(mp6_info_ctl->b_cont); 477 if (optp->len == 0) 478 freemsg(mp6_info_ctl); 479 else 480 qreply(q, mp6_info_ctl); 481 482 return (mp2ctl); 483 } 484 485 /* Return 0 if invalid set request, 1 otherwise, including non-tcp requests */ 486 /* ARGSUSED */ 487 int 488 tcp_snmp_set(queue_t *q, int level, int name, uchar_t *ptr, int len) 489 { 490 mib2_tcpConnEntry_t *tce = (mib2_tcpConnEntry_t *)ptr; 491 492 switch (level) { 493 case MIB2_TCP: 494 switch (name) { 495 case 13: 496 if (tce->tcpConnState != MIB2_TCP_deleteTCB) 497 return (0); 498 /* TODO: delete entry defined by tce */ 499 return (1); 500 default: 501 return (0); 502 } 503 default: 504 return (1); 505 } 506 } 507 508 /* 509 * TCP Kstats implementation 510 */ 511 void * 512 tcp_kstat_init(netstackid_t stackid) 513 { 514 kstat_t *ksp; 515 516 tcp_named_kstat_t template = { 517 { "rtoAlgorithm", KSTAT_DATA_INT32, 0 }, 518 { "rtoMin", KSTAT_DATA_INT32, 0 }, 519 { "rtoMax", KSTAT_DATA_INT32, 0 }, 520 { "maxConn", KSTAT_DATA_INT32, 0 }, 521 { "activeOpens", KSTAT_DATA_UINT32, 0 }, 522 { "passiveOpens", KSTAT_DATA_UINT32, 0 }, 523 { "attemptFails", KSTAT_DATA_UINT32, 0 }, 524 { "estabResets", KSTAT_DATA_UINT32, 0 }, 525 { "currEstab", KSTAT_DATA_UINT32, 0 }, 526 { "inSegs", KSTAT_DATA_UINT64, 0 }, 527 { "outSegs", KSTAT_DATA_UINT64, 0 }, 528 { "retransSegs", KSTAT_DATA_UINT32, 0 }, 529 { "connTableSize", KSTAT_DATA_INT32, 0 }, 530 { "outRsts", KSTAT_DATA_UINT32, 0 }, 531 { "outDataSegs", KSTAT_DATA_UINT32, 0 }, 532 { "outDataBytes", KSTAT_DATA_UINT32, 0 }, 533 { "retransBytes", KSTAT_DATA_UINT32, 0 }, 534 { "outAck", KSTAT_DATA_UINT32, 0 }, 535 { "outAckDelayed", KSTAT_DATA_UINT32, 0 }, 536 { "outUrg", KSTAT_DATA_UINT32, 0 }, 537 { "outWinUpdate", KSTAT_DATA_UINT32, 0 }, 538 { "outWinProbe", KSTAT_DATA_UINT32, 0 }, 539 { "outControl", KSTAT_DATA_UINT32, 0 }, 540 { "outFastRetrans", KSTAT_DATA_UINT32, 0 }, 541 { "inAckSegs", KSTAT_DATA_UINT32, 0 }, 542 { "inAckBytes", KSTAT_DATA_UINT32, 0 }, 543 { "inDupAck", KSTAT_DATA_UINT32, 0 }, 544 { "inAckUnsent", KSTAT_DATA_UINT32, 0 }, 545 { "inDataInorderSegs", KSTAT_DATA_UINT32, 0 }, 546 { "inDataInorderBytes", KSTAT_DATA_UINT32, 0 }, 547 { "inDataUnorderSegs", KSTAT_DATA_UINT32, 0 }, 548 { "inDataUnorderBytes", KSTAT_DATA_UINT32, 0 }, 549 { "inDataDupSegs", KSTAT_DATA_UINT32, 0 }, 550 { "inDataDupBytes", KSTAT_DATA_UINT32, 0 }, 551 { "inDataPartDupSegs", KSTAT_DATA_UINT32, 0 }, 552 { "inDataPartDupBytes", KSTAT_DATA_UINT32, 0 }, 553 { "inDataPastWinSegs", KSTAT_DATA_UINT32, 0 }, 554 { "inDataPastWinBytes", KSTAT_DATA_UINT32, 0 }, 555 { "inWinProbe", KSTAT_DATA_UINT32, 0 }, 556 { "inWinUpdate", KSTAT_DATA_UINT32, 0 }, 557 { "inClosed", KSTAT_DATA_UINT32, 0 }, 558 { "rttUpdate", KSTAT_DATA_UINT32, 0 }, 559 { "rttNoUpdate", KSTAT_DATA_UINT32, 0 }, 560 { "timRetrans", KSTAT_DATA_UINT32, 0 }, 561 { "timRetransDrop", KSTAT_DATA_UINT32, 0 }, 562 { "timKeepalive", KSTAT_DATA_UINT32, 0 }, 563 { "timKeepaliveProbe", KSTAT_DATA_UINT32, 0 }, 564 { "timKeepaliveDrop", KSTAT_DATA_UINT32, 0 }, 565 { "listenDrop", KSTAT_DATA_UINT32, 0 }, 566 { "listenDropQ0", KSTAT_DATA_UINT32, 0 }, 567 { "halfOpenDrop", KSTAT_DATA_UINT32, 0 }, 568 { "outSackRetransSegs", KSTAT_DATA_UINT32, 0 }, 569 { "connTableSize6", KSTAT_DATA_INT32, 0 } 570 }; 571 572 ksp = kstat_create_netstack(TCP_MOD_NAME, stackid, TCP_MOD_NAME, "mib2", 573 KSTAT_TYPE_NAMED, NUM_OF_FIELDS(tcp_named_kstat_t), 0, stackid); 574 575 if (ksp == NULL) 576 return (NULL); 577 578 template.rtoAlgorithm.value.ui32 = 4; 579 template.maxConn.value.i32 = -1; 580 581 bcopy(&template, ksp->ks_data, sizeof (template)); 582 ksp->ks_update = tcp_kstat_update; 583 ksp->ks_private = (void *)(uintptr_t)stackid; 584 585 /* 586 * If this is an exclusive netstack for a local zone, the global zone 587 * should still be able to read the kstat. 588 */ 589 if (stackid != GLOBAL_NETSTACKID) 590 kstat_zone_add(ksp, GLOBAL_ZONEID); 591 592 kstat_install(ksp); 593 return (ksp); 594 } 595 596 void 597 tcp_kstat_fini(netstackid_t stackid, kstat_t *ksp) 598 { 599 if (ksp != NULL) { 600 ASSERT(stackid == (netstackid_t)(uintptr_t)ksp->ks_private); 601 kstat_delete_netstack(ksp, stackid); 602 } 603 } 604 605 static int 606 tcp_kstat_update(kstat_t *kp, int rw) 607 { 608 tcp_named_kstat_t *tcpkp; 609 tcp_t *tcp; 610 connf_t *connfp; 611 conn_t *connp; 612 int i; 613 netstackid_t stackid = (netstackid_t)(uintptr_t)kp->ks_private; 614 netstack_t *ns; 615 tcp_stack_t *tcps; 616 ip_stack_t *ipst; 617 mib2_tcp_t tcp_mib; 618 619 if (rw == KSTAT_WRITE) 620 return (EACCES); 621 622 ns = netstack_find_by_stackid(stackid); 623 if (ns == NULL) 624 return (-1); 625 tcps = ns->netstack_tcp; 626 if (tcps == NULL) { 627 netstack_rele(ns); 628 return (-1); 629 } 630 631 tcpkp = (tcp_named_kstat_t *)kp->ks_data; 632 633 tcpkp->currEstab.value.ui32 = 0; 634 tcpkp->rtoMin.value.ui32 = tcps->tcps_rexmit_interval_min; 635 tcpkp->rtoMax.value.ui32 = tcps->tcps_rexmit_interval_max; 636 637 ipst = ns->netstack_ip; 638 639 for (i = 0; i < CONN_G_HASH_SIZE; i++) { 640 connfp = &ipst->ips_ipcl_globalhash_fanout[i]; 641 connp = NULL; 642 while ((connp = 643 ipcl_get_next_conn(connfp, connp, IPCL_TCPCONN)) != NULL) { 644 tcp = connp->conn_tcp; 645 switch (tcp_snmp_state(tcp)) { 646 case MIB2_TCP_established: 647 case MIB2_TCP_closeWait: 648 tcpkp->currEstab.value.ui32++; 649 break; 650 } 651 } 652 } 653 bzero(&tcp_mib, sizeof (tcp_mib)); 654 tcp_sum_mib(tcps, &tcp_mib); 655 656 /* Fixed length structure for IPv4 and IPv6 counters */ 657 SET_MIB(tcp_mib.tcpConnTableSize, sizeof (mib2_tcpConnEntry_t)); 658 SET_MIB(tcp_mib.tcp6ConnTableSize, sizeof (mib2_tcp6ConnEntry_t)); 659 660 tcpkp->activeOpens.value.ui32 = tcp_mib.tcpActiveOpens; 661 tcpkp->passiveOpens.value.ui32 = tcp_mib.tcpPassiveOpens; 662 tcpkp->attemptFails.value.ui32 = tcp_mib.tcpAttemptFails; 663 tcpkp->estabResets.value.ui32 = tcp_mib.tcpEstabResets; 664 tcpkp->inSegs.value.ui64 = tcp_mib.tcpHCInSegs; 665 tcpkp->outSegs.value.ui64 = tcp_mib.tcpHCOutSegs; 666 tcpkp->retransSegs.value.ui32 = tcp_mib.tcpRetransSegs; 667 tcpkp->connTableSize.value.i32 = tcp_mib.tcpConnTableSize; 668 tcpkp->outRsts.value.ui32 = tcp_mib.tcpOutRsts; 669 tcpkp->outDataSegs.value.ui32 = tcp_mib.tcpOutDataSegs; 670 tcpkp->outDataBytes.value.ui32 = tcp_mib.tcpOutDataBytes; 671 tcpkp->retransBytes.value.ui32 = tcp_mib.tcpRetransBytes; 672 tcpkp->outAck.value.ui32 = tcp_mib.tcpOutAck; 673 tcpkp->outAckDelayed.value.ui32 = tcp_mib.tcpOutAckDelayed; 674 tcpkp->outUrg.value.ui32 = tcp_mib.tcpOutUrg; 675 tcpkp->outWinUpdate.value.ui32 = tcp_mib.tcpOutWinUpdate; 676 tcpkp->outWinProbe.value.ui32 = tcp_mib.tcpOutWinProbe; 677 tcpkp->outControl.value.ui32 = tcp_mib.tcpOutControl; 678 tcpkp->outFastRetrans.value.ui32 = tcp_mib.tcpOutFastRetrans; 679 tcpkp->inAckSegs.value.ui32 = tcp_mib.tcpInAckSegs; 680 tcpkp->inAckBytes.value.ui32 = tcp_mib.tcpInAckBytes; 681 tcpkp->inDupAck.value.ui32 = tcp_mib.tcpInDupAck; 682 tcpkp->inAckUnsent.value.ui32 = tcp_mib.tcpInAckUnsent; 683 tcpkp->inDataInorderSegs.value.ui32 = tcp_mib.tcpInDataInorderSegs; 684 tcpkp->inDataInorderBytes.value.ui32 = tcp_mib.tcpInDataInorderBytes; 685 tcpkp->inDataUnorderSegs.value.ui32 = tcp_mib.tcpInDataUnorderSegs; 686 tcpkp->inDataUnorderBytes.value.ui32 = tcp_mib.tcpInDataUnorderBytes; 687 tcpkp->inDataDupSegs.value.ui32 = tcp_mib.tcpInDataDupSegs; 688 tcpkp->inDataDupBytes.value.ui32 = tcp_mib.tcpInDataDupBytes; 689 tcpkp->inDataPartDupSegs.value.ui32 = tcp_mib.tcpInDataPartDupSegs; 690 tcpkp->inDataPartDupBytes.value.ui32 = tcp_mib.tcpInDataPartDupBytes; 691 tcpkp->inDataPastWinSegs.value.ui32 = tcp_mib.tcpInDataPastWinSegs; 692 tcpkp->inDataPastWinBytes.value.ui32 = tcp_mib.tcpInDataPastWinBytes; 693 tcpkp->inWinProbe.value.ui32 = tcp_mib.tcpInWinProbe; 694 tcpkp->inWinUpdate.value.ui32 = tcp_mib.tcpInWinUpdate; 695 tcpkp->inClosed.value.ui32 = tcp_mib.tcpInClosed; 696 tcpkp->rttNoUpdate.value.ui32 = tcp_mib.tcpRttNoUpdate; 697 tcpkp->rttUpdate.value.ui32 = tcp_mib.tcpRttUpdate; 698 tcpkp->timRetrans.value.ui32 = tcp_mib.tcpTimRetrans; 699 tcpkp->timRetransDrop.value.ui32 = tcp_mib.tcpTimRetransDrop; 700 tcpkp->timKeepalive.value.ui32 = tcp_mib.tcpTimKeepalive; 701 tcpkp->timKeepaliveProbe.value.ui32 = tcp_mib.tcpTimKeepaliveProbe; 702 tcpkp->timKeepaliveDrop.value.ui32 = tcp_mib.tcpTimKeepaliveDrop; 703 tcpkp->listenDrop.value.ui32 = tcp_mib.tcpListenDrop; 704 tcpkp->listenDropQ0.value.ui32 = tcp_mib.tcpListenDropQ0; 705 tcpkp->halfOpenDrop.value.ui32 = tcp_mib.tcpHalfOpenDrop; 706 tcpkp->outSackRetransSegs.value.ui32 = tcp_mib.tcpOutSackRetransSegs; 707 tcpkp->connTableSize6.value.i32 = tcp_mib.tcp6ConnTableSize; 708 709 netstack_rele(ns); 710 return (0); 711 } 712 713 /* 714 * kstats related to squeues i.e. not per IP instance 715 */ 716 void * 717 tcp_g_kstat_init(tcp_g_stat_t *tcp_g_statp) 718 { 719 kstat_t *ksp; 720 721 tcp_g_stat_t template = { 722 { "tcp_timermp_alloced", KSTAT_DATA_UINT64 }, 723 { "tcp_timermp_allocfail", KSTAT_DATA_UINT64 }, 724 { "tcp_timermp_allocdblfail", KSTAT_DATA_UINT64 }, 725 { "tcp_freelist_cleanup", KSTAT_DATA_UINT64 }, 726 }; 727 728 ksp = kstat_create(TCP_MOD_NAME, 0, "tcpstat_g", "net", 729 KSTAT_TYPE_NAMED, sizeof (template) / sizeof (kstat_named_t), 730 KSTAT_FLAG_VIRTUAL); 731 732 if (ksp == NULL) 733 return (NULL); 734 735 bcopy(&template, tcp_g_statp, sizeof (template)); 736 ksp->ks_data = (void *)tcp_g_statp; 737 738 kstat_install(ksp); 739 return (ksp); 740 } 741 742 void 743 tcp_g_kstat_fini(kstat_t *ksp) 744 { 745 if (ksp != NULL) { 746 kstat_delete(ksp); 747 } 748 } 749 750 void * 751 tcp_kstat2_init(netstackid_t stackid) 752 { 753 kstat_t *ksp; 754 755 tcp_stat_t template = { 756 { "tcp_time_wait_syn_success", KSTAT_DATA_UINT64, 0 }, 757 { "tcp_clean_death_nondetached", KSTAT_DATA_UINT64, 0 }, 758 { "tcp_eager_blowoff_q", KSTAT_DATA_UINT64, 0 }, 759 { "tcp_eager_blowoff_q0", KSTAT_DATA_UINT64, 0 }, 760 { "tcp_no_listener", KSTAT_DATA_UINT64, 0 }, 761 { "tcp_listendrop", KSTAT_DATA_UINT64, 0 }, 762 { "tcp_listendropq0", KSTAT_DATA_UINT64, 0 }, 763 { "tcp_wsrv_called", KSTAT_DATA_UINT64, 0 }, 764 { "tcp_flwctl_on", KSTAT_DATA_UINT64, 0 }, 765 { "tcp_timer_fire_early", KSTAT_DATA_UINT64, 0 }, 766 { "tcp_timer_fire_miss", KSTAT_DATA_UINT64, 0 }, 767 { "tcp_zcopy_on", KSTAT_DATA_UINT64, 0 }, 768 { "tcp_zcopy_off", KSTAT_DATA_UINT64, 0 }, 769 { "tcp_zcopy_backoff", KSTAT_DATA_UINT64, 0 }, 770 { "tcp_fusion_flowctl", KSTAT_DATA_UINT64, 0 }, 771 { "tcp_fusion_backenabled", KSTAT_DATA_UINT64, 0 }, 772 { "tcp_fusion_urg", KSTAT_DATA_UINT64, 0 }, 773 { "tcp_fusion_putnext", KSTAT_DATA_UINT64, 0 }, 774 { "tcp_fusion_unfusable", KSTAT_DATA_UINT64, 0 }, 775 { "tcp_fusion_aborted", KSTAT_DATA_UINT64, 0 }, 776 { "tcp_fusion_unqualified", KSTAT_DATA_UINT64, 0 }, 777 { "tcp_fusion_rrw_busy", KSTAT_DATA_UINT64, 0 }, 778 { "tcp_fusion_rrw_msgcnt", KSTAT_DATA_UINT64, 0 }, 779 { "tcp_fusion_rrw_plugged", KSTAT_DATA_UINT64, 0 }, 780 { "tcp_in_ack_unsent_drop", KSTAT_DATA_UINT64, 0 }, 781 { "tcp_sock_fallback", KSTAT_DATA_UINT64, 0 }, 782 { "tcp_lso_enabled", KSTAT_DATA_UINT64, 0 }, 783 { "tcp_lso_disabled", KSTAT_DATA_UINT64, 0 }, 784 { "tcp_lso_times", KSTAT_DATA_UINT64, 0 }, 785 { "tcp_lso_pkt_out", KSTAT_DATA_UINT64, 0 }, 786 { "tcp_listen_cnt_drop", KSTAT_DATA_UINT64, 0 }, 787 { "tcp_listen_mem_drop", KSTAT_DATA_UINT64, 0 }, 788 { "tcp_zwin_mem_drop", KSTAT_DATA_UINT64, 0 }, 789 { "tcp_zwin_ack_syn", KSTAT_DATA_UINT64, 0 }, 790 { "tcp_rst_unsent", KSTAT_DATA_UINT64, 0 }, 791 { "tcp_reclaim_cnt", KSTAT_DATA_UINT64, 0 }, 792 { "tcp_reass_timeout", KSTAT_DATA_UINT64, 0 }, 793 { "tcp_sig_no_option", KSTAT_DATA_UINT64, 0 }, 794 { "tcp_sig_no_space", KSTAT_DATA_UINT64, 0 }, 795 { "tcp_sig_match_failed", KSTAT_DATA_UINT64, 0 }, 796 { "tcp_sig_verify_failed", KSTAT_DATA_UINT64, 0 }, 797 { "tcp_sig_degraded", KSTAT_DATA_UINT64, 0 }, 798 #ifdef TCP_DEBUG_COUNTER 799 { "tcp_time_wait", KSTAT_DATA_UINT64, 0 }, 800 { "tcp_rput_time_wait", KSTAT_DATA_UINT64, 0 }, 801 { "tcp_detach_time_wait", KSTAT_DATA_UINT64, 0 }, 802 { "tcp_timeout_calls", KSTAT_DATA_UINT64, 0 }, 803 { "tcp_timeout_cached_alloc", KSTAT_DATA_UINT64, 0 }, 804 { "tcp_timeout_cancel_reqs", KSTAT_DATA_UINT64, 0 }, 805 { "tcp_timeout_canceled", KSTAT_DATA_UINT64, 0 }, 806 { "tcp_timermp_freed", KSTAT_DATA_UINT64, 0 }, 807 { "tcp_push_timer_cnt", KSTAT_DATA_UINT64, 0 }, 808 { "tcp_ack_timer_cnt", KSTAT_DATA_UINT64, 0 }, 809 #endif 810 }; 811 812 ksp = kstat_create_netstack(TCP_MOD_NAME, stackid, "tcpstat", "net", 813 KSTAT_TYPE_NAMED, sizeof (template) / sizeof (kstat_named_t), 0, 814 stackid); 815 816 if (ksp == NULL) 817 return (NULL); 818 819 bcopy(&template, ksp->ks_data, sizeof (template)); 820 ksp->ks_private = (void *)(uintptr_t)stackid; 821 ksp->ks_update = tcp_kstat2_update; 822 823 /* 824 * If this is an exclusive netstack for a local zone, the global zone 825 * should still be able to read the kstat. 826 */ 827 if (stackid != GLOBAL_NETSTACKID) 828 kstat_zone_add(ksp, GLOBAL_ZONEID); 829 830 kstat_install(ksp); 831 return (ksp); 832 } 833 834 void 835 tcp_kstat2_fini(netstackid_t stackid, kstat_t *ksp) 836 { 837 if (ksp != NULL) { 838 ASSERT(stackid == (netstackid_t)(uintptr_t)ksp->ks_private); 839 kstat_delete_netstack(ksp, stackid); 840 } 841 } 842 843 /* 844 * Sum up all per CPU tcp_stat_t kstat counters. 845 */ 846 static int 847 tcp_kstat2_update(kstat_t *kp, int rw) 848 { 849 netstackid_t stackid = (netstackid_t)(uintptr_t)kp->ks_private; 850 netstack_t *ns; 851 tcp_stack_t *tcps; 852 tcp_stat_t *stats; 853 int i; 854 int cnt; 855 856 if (rw == KSTAT_WRITE) 857 return (EACCES); 858 859 ns = netstack_find_by_stackid(stackid); 860 if (ns == NULL) 861 return (-1); 862 tcps = ns->netstack_tcp; 863 if (tcps == NULL) { 864 netstack_rele(ns); 865 return (-1); 866 } 867 868 stats = (tcp_stat_t *)kp->ks_data; 869 tcp_clr_stats(stats); 870 871 /* 872 * tcps_sc_cnt may change in the middle of the loop. It is better 873 * to get its value first. 874 */ 875 cnt = tcps->tcps_sc_cnt; 876 for (i = 0; i < cnt; i++) 877 tcp_add_stats(&tcps->tcps_sc[i]->tcp_sc_stats, stats); 878 879 netstack_rele(ns); 880 return (0); 881 } 882 883 /* 884 * To add stats from one mib2_tcp_t to another. Static fields are not added. 885 * The caller should set them up propertly. 886 */ 887 static void 888 tcp_add_mib(mib2_tcp_t *from, mib2_tcp_t *to) 889 { 890 to->tcpActiveOpens += from->tcpActiveOpens; 891 to->tcpPassiveOpens += from->tcpPassiveOpens; 892 to->tcpAttemptFails += from->tcpAttemptFails; 893 to->tcpEstabResets += from->tcpEstabResets; 894 to->tcpInSegs += from->tcpInSegs; 895 to->tcpOutSegs += from->tcpOutSegs; 896 to->tcpRetransSegs += from->tcpRetransSegs; 897 to->tcpOutRsts += from->tcpOutRsts; 898 899 to->tcpOutDataSegs += from->tcpOutDataSegs; 900 to->tcpOutDataBytes += from->tcpOutDataBytes; 901 to->tcpRetransBytes += from->tcpRetransBytes; 902 to->tcpOutAck += from->tcpOutAck; 903 to->tcpOutAckDelayed += from->tcpOutAckDelayed; 904 to->tcpOutUrg += from->tcpOutUrg; 905 to->tcpOutWinUpdate += from->tcpOutWinUpdate; 906 to->tcpOutWinProbe += from->tcpOutWinProbe; 907 to->tcpOutControl += from->tcpOutControl; 908 to->tcpOutFastRetrans += from->tcpOutFastRetrans; 909 910 to->tcpInAckBytes += from->tcpInAckBytes; 911 to->tcpInDupAck += from->tcpInDupAck; 912 to->tcpInAckUnsent += from->tcpInAckUnsent; 913 to->tcpInDataInorderSegs += from->tcpInDataInorderSegs; 914 to->tcpInDataInorderBytes += from->tcpInDataInorderBytes; 915 to->tcpInDataUnorderSegs += from->tcpInDataUnorderSegs; 916 to->tcpInDataUnorderBytes += from->tcpInDataUnorderBytes; 917 to->tcpInDataDupSegs += from->tcpInDataDupSegs; 918 to->tcpInDataDupBytes += from->tcpInDataDupBytes; 919 to->tcpInDataPartDupSegs += from->tcpInDataPartDupSegs; 920 to->tcpInDataPartDupBytes += from->tcpInDataPartDupBytes; 921 to->tcpInDataPastWinSegs += from->tcpInDataPastWinSegs; 922 to->tcpInDataPastWinBytes += from->tcpInDataPastWinBytes; 923 to->tcpInWinProbe += from->tcpInWinProbe; 924 to->tcpInWinUpdate += from->tcpInWinUpdate; 925 to->tcpInClosed += from->tcpInClosed; 926 927 to->tcpRttNoUpdate += from->tcpRttNoUpdate; 928 to->tcpRttUpdate += from->tcpRttUpdate; 929 to->tcpTimRetrans += from->tcpTimRetrans; 930 to->tcpTimRetransDrop += from->tcpTimRetransDrop; 931 to->tcpTimKeepalive += from->tcpTimKeepalive; 932 to->tcpTimKeepaliveProbe += from->tcpTimKeepaliveProbe; 933 to->tcpTimKeepaliveDrop += from->tcpTimKeepaliveDrop; 934 to->tcpListenDrop += from->tcpListenDrop; 935 to->tcpListenDropQ0 += from->tcpListenDropQ0; 936 to->tcpHalfOpenDrop += from->tcpHalfOpenDrop; 937 to->tcpOutSackRetransSegs += from->tcpOutSackRetransSegs; 938 to->tcpHCInSegs += from->tcpHCInSegs; 939 to->tcpHCOutSegs += from->tcpHCOutSegs; 940 } 941 942 /* 943 * To sum up all MIB2 stats for a tcp_stack_t from all per CPU stats. The 944 * caller should initialize the target mib2_tcp_t properly as this function 945 * just adds up all the per CPU stats. 946 */ 947 static void 948 tcp_sum_mib(tcp_stack_t *tcps, mib2_tcp_t *tcp_mib) 949 { 950 int i; 951 int cnt; 952 953 /* 954 * tcps_sc_cnt may change in the middle of the loop. It is better 955 * to get its value first. 956 */ 957 cnt = tcps->tcps_sc_cnt; 958 for (i = 0; i < cnt; i++) 959 tcp_add_mib(&tcps->tcps_sc[i]->tcp_sc_mib, tcp_mib); 960 } 961 962 /* 963 * To set all tcp_stat_t counters to 0. 964 */ 965 static void 966 tcp_clr_stats(tcp_stat_t *stats) 967 { 968 stats->tcp_time_wait_syn_success.value.ui64 = 0; 969 stats->tcp_clean_death_nondetached.value.ui64 = 0; 970 stats->tcp_eager_blowoff_q.value.ui64 = 0; 971 stats->tcp_eager_blowoff_q0.value.ui64 = 0; 972 stats->tcp_no_listener.value.ui64 = 0; 973 stats->tcp_listendrop.value.ui64 = 0; 974 stats->tcp_listendropq0.value.ui64 = 0; 975 stats->tcp_wsrv_called.value.ui64 = 0; 976 stats->tcp_flwctl_on.value.ui64 = 0; 977 stats->tcp_timer_fire_early.value.ui64 = 0; 978 stats->tcp_timer_fire_miss.value.ui64 = 0; 979 stats->tcp_zcopy_on.value.ui64 = 0; 980 stats->tcp_zcopy_off.value.ui64 = 0; 981 stats->tcp_zcopy_backoff.value.ui64 = 0; 982 stats->tcp_fusion_flowctl.value.ui64 = 0; 983 stats->tcp_fusion_backenabled.value.ui64 = 0; 984 stats->tcp_fusion_urg.value.ui64 = 0; 985 stats->tcp_fusion_putnext.value.ui64 = 0; 986 stats->tcp_fusion_unfusable.value.ui64 = 0; 987 stats->tcp_fusion_aborted.value.ui64 = 0; 988 stats->tcp_fusion_unqualified.value.ui64 = 0; 989 stats->tcp_fusion_rrw_busy.value.ui64 = 0; 990 stats->tcp_fusion_rrw_msgcnt.value.ui64 = 0; 991 stats->tcp_fusion_rrw_plugged.value.ui64 = 0; 992 stats->tcp_in_ack_unsent_drop.value.ui64 = 0; 993 stats->tcp_sock_fallback.value.ui64 = 0; 994 stats->tcp_lso_enabled.value.ui64 = 0; 995 stats->tcp_lso_disabled.value.ui64 = 0; 996 stats->tcp_lso_times.value.ui64 = 0; 997 stats->tcp_lso_pkt_out.value.ui64 = 0; 998 stats->tcp_listen_cnt_drop.value.ui64 = 0; 999 stats->tcp_listen_mem_drop.value.ui64 = 0; 1000 stats->tcp_zwin_mem_drop.value.ui64 = 0; 1001 stats->tcp_zwin_ack_syn.value.ui64 = 0; 1002 stats->tcp_rst_unsent.value.ui64 = 0; 1003 stats->tcp_reclaim_cnt.value.ui64 = 0; 1004 stats->tcp_reass_timeout.value.ui64 = 0; 1005 stats->tcp_sig_no_option.value.ui64 = 0; 1006 stats->tcp_sig_no_space.value.ui64 = 0; 1007 stats->tcp_sig_match_failed.value.ui64 = 0; 1008 stats->tcp_sig_verify_failed.value.ui64 = 0; 1009 stats->tcp_sig_degraded.value.ui64 = 0; 1010 1011 #ifdef TCP_DEBUG_COUNTER 1012 stats->tcp_time_wait.value.ui64 = 0; 1013 stats->tcp_rput_time_wait.value.ui64 = 0; 1014 stats->tcp_detach_time_wait.value.ui64 = 0; 1015 stats->tcp_timeout_calls.value.ui64 = 0; 1016 stats->tcp_timeout_cached_alloc.value.ui64 = 0; 1017 stats->tcp_timeout_cancel_reqs.value.ui64 = 0; 1018 stats->tcp_timeout_canceled.value.ui64 = 0; 1019 stats->tcp_timermp_freed.value.ui64 = 0; 1020 stats->tcp_push_timer_cnt.value.ui64 = 0; 1021 stats->tcp_ack_timer_cnt.value.ui64 = 0; 1022 #endif 1023 } 1024 1025 /* 1026 * To add counters from the per CPU tcp_stat_counter_t to the stack 1027 * tcp_stat_t. 1028 */ 1029 static void 1030 tcp_add_stats(tcp_stat_counter_t *from, tcp_stat_t *to) 1031 { 1032 to->tcp_time_wait_syn_success.value.ui64 += 1033 from->tcp_time_wait_syn_success; 1034 to->tcp_clean_death_nondetached.value.ui64 += 1035 from->tcp_clean_death_nondetached; 1036 to->tcp_eager_blowoff_q.value.ui64 += 1037 from->tcp_eager_blowoff_q; 1038 to->tcp_eager_blowoff_q0.value.ui64 += 1039 from->tcp_eager_blowoff_q0; 1040 to->tcp_no_listener.value.ui64 += 1041 from->tcp_no_listener; 1042 to->tcp_listendrop.value.ui64 += 1043 from->tcp_listendrop; 1044 to->tcp_listendropq0.value.ui64 += 1045 from->tcp_listendropq0; 1046 to->tcp_wsrv_called.value.ui64 += 1047 from->tcp_wsrv_called; 1048 to->tcp_flwctl_on.value.ui64 += 1049 from->tcp_flwctl_on; 1050 to->tcp_timer_fire_early.value.ui64 += 1051 from->tcp_timer_fire_early; 1052 to->tcp_timer_fire_miss.value.ui64 += 1053 from->tcp_timer_fire_miss; 1054 to->tcp_zcopy_on.value.ui64 += 1055 from->tcp_zcopy_on; 1056 to->tcp_zcopy_off.value.ui64 += 1057 from->tcp_zcopy_off; 1058 to->tcp_zcopy_backoff.value.ui64 += 1059 from->tcp_zcopy_backoff; 1060 to->tcp_fusion_flowctl.value.ui64 += 1061 from->tcp_fusion_flowctl; 1062 to->tcp_fusion_backenabled.value.ui64 += 1063 from->tcp_fusion_backenabled; 1064 to->tcp_fusion_urg.value.ui64 += 1065 from->tcp_fusion_urg; 1066 to->tcp_fusion_putnext.value.ui64 += 1067 from->tcp_fusion_putnext; 1068 to->tcp_fusion_unfusable.value.ui64 += 1069 from->tcp_fusion_unfusable; 1070 to->tcp_fusion_aborted.value.ui64 += 1071 from->tcp_fusion_aborted; 1072 to->tcp_fusion_unqualified.value.ui64 += 1073 from->tcp_fusion_unqualified; 1074 to->tcp_fusion_rrw_busy.value.ui64 += 1075 from->tcp_fusion_rrw_busy; 1076 to->tcp_fusion_rrw_msgcnt.value.ui64 += 1077 from->tcp_fusion_rrw_msgcnt; 1078 to->tcp_fusion_rrw_plugged.value.ui64 += 1079 from->tcp_fusion_rrw_plugged; 1080 to->tcp_in_ack_unsent_drop.value.ui64 += 1081 from->tcp_in_ack_unsent_drop; 1082 to->tcp_sock_fallback.value.ui64 += 1083 from->tcp_sock_fallback; 1084 to->tcp_lso_enabled.value.ui64 += 1085 from->tcp_lso_enabled; 1086 to->tcp_lso_disabled.value.ui64 += 1087 from->tcp_lso_disabled; 1088 to->tcp_lso_times.value.ui64 += 1089 from->tcp_lso_times; 1090 to->tcp_lso_pkt_out.value.ui64 += 1091 from->tcp_lso_pkt_out; 1092 to->tcp_listen_cnt_drop.value.ui64 += 1093 from->tcp_listen_cnt_drop; 1094 to->tcp_listen_mem_drop.value.ui64 += 1095 from->tcp_listen_mem_drop; 1096 to->tcp_zwin_mem_drop.value.ui64 += 1097 from->tcp_zwin_mem_drop; 1098 to->tcp_zwin_ack_syn.value.ui64 += 1099 from->tcp_zwin_ack_syn; 1100 to->tcp_rst_unsent.value.ui64 += 1101 from->tcp_rst_unsent; 1102 to->tcp_reclaim_cnt.value.ui64 += 1103 from->tcp_reclaim_cnt; 1104 to->tcp_reass_timeout.value.ui64 += 1105 from->tcp_reass_timeout; 1106 to->tcp_sig_no_option.value.ui64 += 1107 from->tcp_sig_no_option; 1108 to->tcp_sig_no_space.value.ui64 += 1109 from->tcp_sig_no_space; 1110 to->tcp_sig_match_failed.value.ui64 += 1111 from->tcp_sig_match_failed; 1112 to->tcp_sig_verify_failed.value.ui64 += 1113 from->tcp_sig_verify_failed; 1114 to->tcp_sig_degraded.value.ui64 += 1115 from->tcp_sig_degraded; 1116 1117 #ifdef TCP_DEBUG_COUNTER 1118 to->tcp_time_wait.value.ui64 += 1119 from->tcp_time_wait; 1120 to->tcp_rput_time_wait.value.ui64 += 1121 from->tcp_rput_time_wait; 1122 to->tcp_detach_time_wait.value.ui64 += 1123 from->tcp_detach_time_wait; 1124 to->tcp_timeout_calls.value.ui64 += 1125 from->tcp_timeout_calls; 1126 to->tcp_timeout_cached_alloc.value.ui64 += 1127 from->tcp_timeout_cached_alloc; 1128 to->tcp_timeout_cancel_reqs.value.ui64 += 1129 from->tcp_timeout_cancel_reqs; 1130 to->tcp_timeout_canceled.value.ui64 += 1131 from->tcp_timeout_canceled; 1132 to->tcp_timermp_freed.value.ui64 += 1133 from->tcp_timermp_freed; 1134 to->tcp_push_timer_cnt.value.ui64 += 1135 from->tcp_push_timer_cnt; 1136 to->tcp_ack_timer_cnt.value.ui64 += 1137 from->tcp_ack_timer_cnt; 1138 #endif 1139 } 1140