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 */
26
27 #include <sys/types.h>
28 #include <sys/tihdr.h>
29 #include <sys/policy.h>
30 #include <sys/tsol/tnet.h>
31 #include <sys/kstat.h>
32
33 #include <sys/strsun.h>
34 #include <sys/stropts.h>
35 #include <sys/strsubr.h>
36 #include <sys/socket.h>
37 #include <sys/socketvar.h>
38 #include <sys/uio.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 /*
97 * Return SNMP stuff in buffer in mpdata.
98 */
99 mblk_t *
100 tcp_snmp_get(queue_t *q, mblk_t *mpctl, boolean_t legacy_req)
101 {
102 mblk_t *mpdata;
103 mblk_t *mp_conn_ctl = NULL;
104 mblk_t *mp_conn_tail;
105 mblk_t *mp_attr_ctl = NULL;
106 mblk_t *mp_attr_tail;
107 mblk_t *mp_pidnode_ctl = NULL;
108 mblk_t *mp_pidnode_tail;
109 mblk_t *mp6_conn_ctl = NULL;
110 mblk_t *mp6_conn_tail;
111 mblk_t *mp6_attr_ctl = NULL;
112 mblk_t *mp6_attr_tail;
113 mblk_t *mp6_pidnode_ctl = NULL;
114 mblk_t *mp6_pidnode_tail;
115 struct opthdr *optp;
116 mib2_tcpConnEntry_t tce;
117 mib2_tcp6ConnEntry_t tce6;
118 mib2_transportMLPEntry_t mlp;
119 connf_t *connfp;
120 int i;
121 boolean_t ispriv;
122 zoneid_t zoneid;
123 int v4_conn_idx;
124 int v6_conn_idx;
125 conn_t *connp = Q_TO_CONN(q);
126 tcp_stack_t *tcps;
127 ip_stack_t *ipst;
128 mblk_t *mp2ctl;
129 mib2_tcp_t tcp_mib;
130 size_t tcp_mib_size, tce_size, tce6_size;
131
132 conn_pid_node_list_hdr_t *cph;
133
134 /*
135 * make a copy of the original message
136 */
137 mp2ctl = copymsg(mpctl);
138
139 if (mpctl == NULL ||
140 (mpdata = mpctl->b_cont) == NULL ||
141 (mp_conn_ctl = copymsg(mpctl)) == NULL ||
142 (mp_attr_ctl = copymsg(mpctl)) == NULL ||
143 (mp_pidnode_ctl = copymsg(mpctl)) == NULL ||
144 (mp6_conn_ctl = copymsg(mpctl)) == NULL ||
145 (mp6_attr_ctl = copymsg(mpctl)) == NULL ||
146 (mp6_pidnode_ctl = copymsg(mpctl)) == NULL) {
147 freemsg(mp_conn_ctl);
148 freemsg(mp_attr_ctl);
149 freemsg(mp_pidnode_ctl);
150 freemsg(mp6_conn_ctl);
151 freemsg(mp6_attr_ctl);
152 freemsg(mp6_pidnode_ctl);
153 freemsg(mpctl);
154 freemsg(mp2ctl);
155 return (NULL);
156 }
157
158 ipst = connp->conn_netstack->netstack_ip;
159 tcps = connp->conn_netstack->netstack_tcp;
160
161 if (legacy_req) {
162 tcp_mib_size = LEGACY_MIB_SIZE(&tcp_mib, mib2_tcp_t);
163 tce_size = LEGACY_MIB_SIZE(&tce, mib2_tcpConnEntry_t);
164 tce6_size = LEGACY_MIB_SIZE(&tce6, mib2_tcp6ConnEntry_t);
165 } else {
166 tcp_mib_size = sizeof (mib2_tcp_t);
167 tce_size = sizeof (mib2_tcpConnEntry_t);
168 tce6_size = sizeof (mib2_tcp6ConnEntry_t);
169 }
170
171 bzero(&tcp_mib, sizeof (tcp_mib));
172
173 /* build table of connections -- need count in fixed part */
174 SET_MIB(tcp_mib.tcpRtoAlgorithm, 4); /* vanj */
175 SET_MIB(tcp_mib.tcpRtoMin, tcps->tcps_rexmit_interval_min);
176 SET_MIB(tcp_mib.tcpRtoMax, tcps->tcps_rexmit_interval_max);
177 SET_MIB(tcp_mib.tcpMaxConn, -1);
178 SET_MIB(tcp_mib.tcpCurrEstab, 0);
179
180 ispriv =
181 secpolicy_ip_config((Q_TO_CONN(q))->conn_cred, B_TRUE) == 0;
182 zoneid = Q_TO_CONN(q)->conn_zoneid;
183
184 v4_conn_idx = v6_conn_idx = 0;
185 mp_conn_tail = mp_attr_tail = mp6_conn_tail = mp6_attr_tail = NULL;
186 mp_pidnode_tail = mp6_pidnode_tail = NULL;
187
188 for (i = 0; i < CONN_G_HASH_SIZE; i++) {
189 ipst = tcps->tcps_netstack->netstack_ip;
190
191 connfp = &ipst->ips_ipcl_globalhash_fanout[i];
192
193 connp = NULL;
194
195 while ((connp =
196 ipcl_get_next_conn(connfp, connp, IPCL_TCPCONN)) != NULL) {
197 tcp_t *tcp;
198 boolean_t needattr;
199
200 if (connp->conn_zoneid != zoneid)
201 continue; /* not in this zone */
202
203 tcp = connp->conn_tcp;
204 TCPS_UPDATE_MIB(tcps, tcpHCInSegs, tcp->tcp_ibsegs);
205 tcp->tcp_ibsegs = 0;
206 TCPS_UPDATE_MIB(tcps, tcpHCOutSegs, tcp->tcp_obsegs);
207 tcp->tcp_obsegs = 0;
208
209 tce6.tcp6ConnState = tce.tcpConnState =
210 tcp_snmp_state(tcp);
211 if (tce.tcpConnState == MIB2_TCP_established ||
212 tce.tcpConnState == MIB2_TCP_closeWait)
213 BUMP_MIB(&tcp_mib, tcpCurrEstab);
214
215 needattr = B_FALSE;
216 bzero(&mlp, sizeof (mlp));
217 if (connp->conn_mlp_type != mlptSingle) {
218 if (connp->conn_mlp_type == mlptShared ||
219 connp->conn_mlp_type == mlptBoth)
220 mlp.tme_flags |= MIB2_TMEF_SHARED;
221 if (connp->conn_mlp_type == mlptPrivate ||
222 connp->conn_mlp_type == mlptBoth)
223 mlp.tme_flags |= MIB2_TMEF_PRIVATE;
224 needattr = B_TRUE;
225 }
226 if (connp->conn_anon_mlp) {
227 mlp.tme_flags |= MIB2_TMEF_ANONMLP;
228 needattr = B_TRUE;
229 }
230 switch (connp->conn_mac_mode) {
231 case CONN_MAC_DEFAULT:
232 break;
233 case CONN_MAC_AWARE:
234 mlp.tme_flags |= MIB2_TMEF_MACEXEMPT;
235 needattr = B_TRUE;
236 break;
237 case CONN_MAC_IMPLICIT:
238 mlp.tme_flags |= MIB2_TMEF_MACIMPLICIT;
239 needattr = B_TRUE;
240 break;
241 }
242 if (connp->conn_ixa->ixa_tsl != NULL) {
243 ts_label_t *tsl;
244
245 tsl = connp->conn_ixa->ixa_tsl;
246 mlp.tme_flags |= MIB2_TMEF_IS_LABELED;
247 mlp.tme_doi = label2doi(tsl);
248 mlp.tme_label = *label2bslabel(tsl);
249 needattr = B_TRUE;
250 }
251
252 /* Create a message to report on IPv6 entries */
253 if (connp->conn_ipversion == IPV6_VERSION) {
254 tce6.tcp6ConnLocalAddress = connp->conn_laddr_v6;
255 tce6.tcp6ConnRemAddress = connp->conn_faddr_v6;
256 tce6.tcp6ConnLocalPort = ntohs(connp->conn_lport);
257 tce6.tcp6ConnRemPort = ntohs(connp->conn_fport);
258 if (connp->conn_ixa->ixa_flags & IXAF_SCOPEID_SET) {
259 tce6.tcp6ConnIfIndex =
260 connp->conn_ixa->ixa_scopeid;
261 } else {
262 tce6.tcp6ConnIfIndex = connp->conn_bound_if;
263 }
264 /* Don't want just anybody seeing these... */
265 if (ispriv) {
266 tce6.tcp6ConnEntryInfo.ce_snxt =
267 tcp->tcp_snxt;
268 tce6.tcp6ConnEntryInfo.ce_suna =
269 tcp->tcp_suna;
270 tce6.tcp6ConnEntryInfo.ce_rnxt =
271 tcp->tcp_rnxt;
272 tce6.tcp6ConnEntryInfo.ce_rack =
273 tcp->tcp_rack;
274 } else {
275 /*
276 * Netstat, unfortunately, uses this to
277 * get send/receive queue sizes. How to fix?
278 * Why not compute the difference only?
279 */
280 tce6.tcp6ConnEntryInfo.ce_snxt =
281 tcp->tcp_snxt - tcp->tcp_suna;
282 tce6.tcp6ConnEntryInfo.ce_suna = 0;
283 tce6.tcp6ConnEntryInfo.ce_rnxt =
284 tcp->tcp_rnxt - tcp->tcp_rack;
285 tce6.tcp6ConnEntryInfo.ce_rack = 0;
286 }
287
288 tce6.tcp6ConnEntryInfo.ce_swnd = tcp->tcp_swnd;
289 tce6.tcp6ConnEntryInfo.ce_rwnd = tcp->tcp_rwnd;
290 tce6.tcp6ConnEntryInfo.ce_rto = tcp->tcp_rto;
291 tce6.tcp6ConnEntryInfo.ce_mss = tcp->tcp_mss;
292 tce6.tcp6ConnEntryInfo.ce_state = tcp->tcp_state;
293
294 tce6.tcp6ConnCreationProcess =
295 (connp->conn_cpid < 0) ? MIB2_UNKNOWN_PROCESS :
296 connp->conn_cpid;
297 tce6.tcp6ConnCreationTime = connp->conn_open_time;
298
299 (void) snmp_append_data2(mp6_conn_ctl->b_cont,
300 &mp6_conn_tail, (char *)&tce6, tce6_size);
301
302 /* my data */
303 /* push connt_t */
304 (void) snmp_append_data2(mp6_pidnode_ctl->b_cont,
305 &mp6_pidnode_tail, (char *)&tce6, tce6_size);
306
307 cph = conn_get_pid_list(connp);
308
309 /* push the header + conn pid nodes */
310 (void) snmp_append_data2(mp6_pidnode_ctl->b_cont,
311 &mp6_pidnode_tail,
312 (char *)cph, cph->cph_tot_size);
313
314 kmem_free(cph, cph->cph_tot_size);
315 /* end of my data */
316
317 mlp.tme_connidx = v6_conn_idx++;
318 if (needattr)
319 (void) snmp_append_data2(mp6_attr_ctl->b_cont,
320 &mp6_attr_tail, (char *)&mlp, sizeof (mlp));
321 }
322 /*
323 * Create an IPv4 table entry for IPv4 entries and also
324 * for IPv6 entries which are bound to in6addr_any
325 * but don't have IPV6_V6ONLY set.
326 * (i.e. anything an IPv4 peer could connect to)
327 */
328 if (connp->conn_ipversion == IPV4_VERSION ||
329 (tcp->tcp_state <= TCPS_LISTEN &&
330 !connp->conn_ipv6_v6only &&
331 IN6_IS_ADDR_UNSPECIFIED(&connp->conn_laddr_v6))) {
332 if (connp->conn_ipversion == IPV6_VERSION) {
333 tce.tcpConnRemAddress = INADDR_ANY;
334 tce.tcpConnLocalAddress = INADDR_ANY;
335 } else {
336 tce.tcpConnRemAddress =
337 connp->conn_faddr_v4;
338 tce.tcpConnLocalAddress =
339 connp->conn_laddr_v4;
340 }
341 tce.tcpConnLocalPort = ntohs(connp->conn_lport);
342 tce.tcpConnRemPort = ntohs(connp->conn_fport);
343 /* Don't want just anybody seeing these... */
344 if (ispriv) {
345 tce.tcpConnEntryInfo.ce_snxt =
346 tcp->tcp_snxt;
347 tce.tcpConnEntryInfo.ce_suna =
348 tcp->tcp_suna;
349 tce.tcpConnEntryInfo.ce_rnxt =
350 tcp->tcp_rnxt;
351 tce.tcpConnEntryInfo.ce_rack =
352 tcp->tcp_rack;
353 } else {
354 /*
355 * Netstat, unfortunately, uses this to
356 * get send/receive queue sizes. How
357 * to fix?
358 * Why not compute the difference only?
359 */
360 tce.tcpConnEntryInfo.ce_snxt =
361 tcp->tcp_snxt - tcp->tcp_suna;
362 tce.tcpConnEntryInfo.ce_suna = 0;
363 tce.tcpConnEntryInfo.ce_rnxt =
364 tcp->tcp_rnxt - tcp->tcp_rack;
365 tce.tcpConnEntryInfo.ce_rack = 0;
366 }
367
368 tce.tcpConnEntryInfo.ce_swnd = tcp->tcp_swnd;
369 tce.tcpConnEntryInfo.ce_rwnd = tcp->tcp_rwnd;
370 tce.tcpConnEntryInfo.ce_rto = tcp->tcp_rto;
371 tce.tcpConnEntryInfo.ce_mss = tcp->tcp_mss;
372 tce.tcpConnEntryInfo.ce_state =
373 tcp->tcp_state;
374
375 tce.tcpConnCreationProcess =
376 (connp->conn_cpid < 0) ?
377 MIB2_UNKNOWN_PROCESS :
378 connp->conn_cpid;
379 tce.tcpConnCreationTime = connp->conn_open_time;
380
381 (void) snmp_append_data2(mp_conn_ctl->b_cont,
382 &mp_conn_tail, (char *)&tce, tce_size);
383
384 /* my data */
385 /* push connt_t */
386 (void) snmp_append_data2(mp_pidnode_ctl->b_cont,
387 &mp_pidnode_tail, (char *)&tce, tce_size);
388
389 cph = conn_get_pid_list(connp);
390
391 /* push the header + conn pid nodes */
392 (void) snmp_append_data2(mp_pidnode_ctl->b_cont,
393 &mp_pidnode_tail, (char *)cph,
394 cph->cph_tot_size);
395
396 kmem_free(cph, cph->cph_tot_size);
397 /* end of my code */
398
399 mlp.tme_connidx = v4_conn_idx++;
400 if (needattr)
401 (void) snmp_append_data2(
402 mp_attr_ctl->b_cont,
403 &mp_attr_tail, (char *)&mlp,
404 sizeof (mlp));
405 }
406 }
407 }
408
409 tcp_sum_mib(tcps, &tcp_mib);
410
411 /* Fixed length structure for IPv4 and IPv6 counters */
412 SET_MIB(tcp_mib.tcpConnTableSize, tce_size);
413 SET_MIB(tcp_mib.tcp6ConnTableSize, tce6_size);
414
415 /*
416 * Synchronize 32- and 64-bit counters. Note that tcpInSegs and
417 * tcpOutSegs are not updated anywhere in TCP. The new 64 bits
418 * counters are used. Hence the old counters' values in tcp_sc_mib
419 * are always 0.
420 */
421 SYNC32_MIB(&tcp_mib, tcpInSegs, tcpHCInSegs);
422 SYNC32_MIB(&tcp_mib, tcpOutSegs, tcpHCOutSegs);
423
424 optp = (struct opthdr *)&mpctl->b_rptr[sizeof (struct T_optmgmt_ack)];
425 optp->level = MIB2_TCP;
426 optp->name = 0;
427 (void) snmp_append_data(mpdata, (char *)&tcp_mib, tcp_mib_size);
428 optp->len = msgdsize(mpdata);
429 qreply(q, mpctl);
430
431 /* table of connections... */
432 optp = (struct opthdr *)&mp_conn_ctl->b_rptr[
433 sizeof (struct T_optmgmt_ack)];
434 optp->level = MIB2_TCP;
435 optp->name = MIB2_TCP_CONN;
436 optp->len = msgdsize(mp_conn_ctl->b_cont);
437 qreply(q, mp_conn_ctl);
438
439 /* table of MLP attributes... */
440 optp = (struct opthdr *)&mp_attr_ctl->b_rptr[
441 sizeof (struct T_optmgmt_ack)];
442 optp->level = MIB2_TCP;
443 optp->name = EXPER_XPORT_MLP;
444 optp->len = msgdsize(mp_attr_ctl->b_cont);
445 if (optp->len == 0)
446 freemsg(mp_attr_ctl);
447 else
448 qreply(q, mp_attr_ctl);
449
450 /* table of IPv6 connections... */
451 optp = (struct opthdr *)&mp6_conn_ctl->b_rptr[
452 sizeof (struct T_optmgmt_ack)];
453 optp->level = MIB2_TCP6;
454 optp->name = MIB2_TCP6_CONN;
455 optp->len = msgdsize(mp6_conn_ctl->b_cont);
456 qreply(q, mp6_conn_ctl);
457
458 /* table of IPv6 MLP attributes... */
459 optp = (struct opthdr *)&mp6_attr_ctl->b_rptr[
460 sizeof (struct T_optmgmt_ack)];
461 optp->level = MIB2_TCP6;
462 optp->name = EXPER_XPORT_MLP;
463 optp->len = msgdsize(mp6_attr_ctl->b_cont);
464 if (optp->len == 0)
465 freemsg(mp6_attr_ctl);
466 else
467 qreply(q, mp6_attr_ctl);
468
469
470 /* table of EXPER_XPORT_PROC_INFO ipv4 */
471 optp = (struct opthdr *)&mp_pidnode_ctl->b_rptr[
472 sizeof (struct T_optmgmt_ack)];
473 optp->level = MIB2_TCP;
474 optp->name = EXPER_XPORT_PROC_INFO;
475 optp->len = msgdsize(mp_pidnode_ctl->b_cont);
476 if (optp->len == 0)
477 freemsg(mp_pidnode_ctl);
478 else
479 qreply(q, mp_pidnode_ctl);
480
481 /* table of EXPER_XPORT_PROC_INFO ipv6 */
482 optp = (struct opthdr *)&mp6_pidnode_ctl->b_rptr[
483 sizeof (struct T_optmgmt_ack)];
484 optp->level = MIB2_TCP6;
485 optp->name = EXPER_XPORT_PROC_INFO;
486 optp->len = msgdsize(mp6_pidnode_ctl->b_cont);
487 if (optp->len == 0)
488 freemsg(mp6_pidnode_ctl);
489 else
490 qreply(q, mp6_pidnode_ctl);
491
492 return (mp2ctl);
493 }
494
495 /* Return 0 if invalid set request, 1 otherwise, including non-tcp requests */
496 /* ARGSUSED */
497 int
498 tcp_snmp_set(queue_t *q, int level, int name, uchar_t *ptr, int len)
499 {
500 mib2_tcpConnEntry_t *tce = (mib2_tcpConnEntry_t *)ptr;
501
502 switch (level) {
503 case MIB2_TCP:
504 switch (name) {
505 case 13:
506 if (tce->tcpConnState != MIB2_TCP_deleteTCB)
507 return (0);
508 /* TODO: delete entry defined by tce */
509 return (1);
510 default:
511 return (0);
512 }
513 default:
514 return (1);
515 }
516 }
517
518 /*
519 * TCP Kstats implementation
520 */
521 void *
522 tcp_kstat_init(netstackid_t stackid)
523 {
524 kstat_t *ksp;
525
526 tcp_named_kstat_t template = {
527 { "rtoAlgorithm", KSTAT_DATA_INT32, 0 },
528 { "rtoMin", KSTAT_DATA_INT32, 0 },
529 { "rtoMax", KSTAT_DATA_INT32, 0 },
530 { "maxConn", KSTAT_DATA_INT32, 0 },
531 { "activeOpens", KSTAT_DATA_UINT32, 0 },
532 { "passiveOpens", KSTAT_DATA_UINT32, 0 },
533 { "attemptFails", KSTAT_DATA_UINT32, 0 },
534 { "estabResets", KSTAT_DATA_UINT32, 0 },
535 { "currEstab", KSTAT_DATA_UINT32, 0 },
536 { "inSegs", KSTAT_DATA_UINT64, 0 },
537 { "outSegs", KSTAT_DATA_UINT64, 0 },
538 { "retransSegs", KSTAT_DATA_UINT32, 0 },
539 { "connTableSize", KSTAT_DATA_INT32, 0 },
540 { "outRsts", KSTAT_DATA_UINT32, 0 },
541 { "outDataSegs", KSTAT_DATA_UINT32, 0 },
542 { "outDataBytes", KSTAT_DATA_UINT32, 0 },
543 { "retransBytes", KSTAT_DATA_UINT32, 0 },
544 { "outAck", KSTAT_DATA_UINT32, 0 },
545 { "outAckDelayed", KSTAT_DATA_UINT32, 0 },
546 { "outUrg", KSTAT_DATA_UINT32, 0 },
547 { "outWinUpdate", KSTAT_DATA_UINT32, 0 },
548 { "outWinProbe", KSTAT_DATA_UINT32, 0 },
549 { "outControl", KSTAT_DATA_UINT32, 0 },
550 { "outFastRetrans", KSTAT_DATA_UINT32, 0 },
551 { "inAckSegs", KSTAT_DATA_UINT32, 0 },
552 { "inAckBytes", KSTAT_DATA_UINT32, 0 },
553 { "inDupAck", KSTAT_DATA_UINT32, 0 },
554 { "inAckUnsent", KSTAT_DATA_UINT32, 0 },
555 { "inDataInorderSegs", KSTAT_DATA_UINT32, 0 },
556 { "inDataInorderBytes", KSTAT_DATA_UINT32, 0 },
557 { "inDataUnorderSegs", KSTAT_DATA_UINT32, 0 },
558 { "inDataUnorderBytes", KSTAT_DATA_UINT32, 0 },
559 { "inDataDupSegs", KSTAT_DATA_UINT32, 0 },
560 { "inDataDupBytes", KSTAT_DATA_UINT32, 0 },
561 { "inDataPartDupSegs", KSTAT_DATA_UINT32, 0 },
562 { "inDataPartDupBytes", KSTAT_DATA_UINT32, 0 },
563 { "inDataPastWinSegs", KSTAT_DATA_UINT32, 0 },
564 { "inDataPastWinBytes", KSTAT_DATA_UINT32, 0 },
565 { "inWinProbe", KSTAT_DATA_UINT32, 0 },
566 { "inWinUpdate", KSTAT_DATA_UINT32, 0 },
567 { "inClosed", KSTAT_DATA_UINT32, 0 },
568 { "rttUpdate", KSTAT_DATA_UINT32, 0 },
569 { "rttNoUpdate", KSTAT_DATA_UINT32, 0 },
570 { "timRetrans", KSTAT_DATA_UINT32, 0 },
571 { "timRetransDrop", KSTAT_DATA_UINT32, 0 },
572 { "timKeepalive", KSTAT_DATA_UINT32, 0 },
573 { "timKeepaliveProbe", KSTAT_DATA_UINT32, 0 },
574 { "timKeepaliveDrop", KSTAT_DATA_UINT32, 0 },
575 { "listenDrop", KSTAT_DATA_UINT32, 0 },
576 { "listenDropQ0", KSTAT_DATA_UINT32, 0 },
577 { "halfOpenDrop", KSTAT_DATA_UINT32, 0 },
578 { "outSackRetransSegs", KSTAT_DATA_UINT32, 0 },
579 { "connTableSize6", KSTAT_DATA_INT32, 0 }
580 };
581
582 ksp = kstat_create_netstack(TCP_MOD_NAME, stackid, TCP_MOD_NAME, "mib2",
583 KSTAT_TYPE_NAMED, NUM_OF_FIELDS(tcp_named_kstat_t), 0, stackid);
584
585 if (ksp == NULL)
586 return (NULL);
587
588 template.rtoAlgorithm.value.ui32 = 4;
589 template.maxConn.value.i32 = -1;
590
591 bcopy(&template, ksp->ks_data, sizeof (template));
592 ksp->ks_update = tcp_kstat_update;
593 ksp->ks_private = (void *)(uintptr_t)stackid;
594
595 /*
596 * If this is an exclusive netstack for a local zone, the global zone
597 * should still be able to read the kstat.
598 */
599 if (stackid != GLOBAL_NETSTACKID)
600 kstat_zone_add(ksp, GLOBAL_ZONEID);
601
602 kstat_install(ksp);
603 return (ksp);
604 }
605
606 void
607 tcp_kstat_fini(netstackid_t stackid, kstat_t *ksp)
608 {
609 if (ksp != NULL) {
610 ASSERT(stackid == (netstackid_t)(uintptr_t)ksp->ks_private);
611 kstat_delete_netstack(ksp, stackid);
612 }
613 }
614
615 static int
616 tcp_kstat_update(kstat_t *kp, int rw)
617 {
618 tcp_named_kstat_t *tcpkp;
619 tcp_t *tcp;
620 connf_t *connfp;
621 conn_t *connp;
622 int i;
623 netstackid_t stackid = (netstackid_t)(uintptr_t)kp->ks_private;
624 netstack_t *ns;
625 tcp_stack_t *tcps;
626 ip_stack_t *ipst;
627 mib2_tcp_t tcp_mib;
628
629 if (rw == KSTAT_WRITE)
630 return (EACCES);
631
632 ns = netstack_find_by_stackid(stackid);
633 if (ns == NULL)
634 return (-1);
635 tcps = ns->netstack_tcp;
636 if (tcps == NULL) {
637 netstack_rele(ns);
638 return (-1);
639 }
640
641 tcpkp = (tcp_named_kstat_t *)kp->ks_data;
642
643 tcpkp->currEstab.value.ui32 = 0;
644 tcpkp->rtoMin.value.ui32 = tcps->tcps_rexmit_interval_min;
645 tcpkp->rtoMax.value.ui32 = tcps->tcps_rexmit_interval_max;
646
647 ipst = ns->netstack_ip;
648
649 for (i = 0; i < CONN_G_HASH_SIZE; i++) {
650 connfp = &ipst->ips_ipcl_globalhash_fanout[i];
651 connp = NULL;
652 while ((connp =
653 ipcl_get_next_conn(connfp, connp, IPCL_TCPCONN)) != NULL) {
654 tcp = connp->conn_tcp;
655 switch (tcp_snmp_state(tcp)) {
656 case MIB2_TCP_established:
657 case MIB2_TCP_closeWait:
658 tcpkp->currEstab.value.ui32++;
659 break;
660 }
661 }
662 }
663 bzero(&tcp_mib, sizeof (tcp_mib));
664 tcp_sum_mib(tcps, &tcp_mib);
665
666 /* Fixed length structure for IPv4 and IPv6 counters */
667 SET_MIB(tcp_mib.tcpConnTableSize, sizeof (mib2_tcpConnEntry_t));
668 SET_MIB(tcp_mib.tcp6ConnTableSize, sizeof (mib2_tcp6ConnEntry_t));
669
670 tcpkp->activeOpens.value.ui32 = tcp_mib.tcpActiveOpens;
671 tcpkp->passiveOpens.value.ui32 = tcp_mib.tcpPassiveOpens;
672 tcpkp->attemptFails.value.ui32 = tcp_mib.tcpAttemptFails;
673 tcpkp->estabResets.value.ui32 = tcp_mib.tcpEstabResets;
674 tcpkp->inSegs.value.ui64 = tcp_mib.tcpHCInSegs;
675 tcpkp->outSegs.value.ui64 = tcp_mib.tcpHCOutSegs;
676 tcpkp->retransSegs.value.ui32 = tcp_mib.tcpRetransSegs;
677 tcpkp->connTableSize.value.i32 = tcp_mib.tcpConnTableSize;
678 tcpkp->outRsts.value.ui32 = tcp_mib.tcpOutRsts;
679 tcpkp->outDataSegs.value.ui32 = tcp_mib.tcpOutDataSegs;
680 tcpkp->outDataBytes.value.ui32 = tcp_mib.tcpOutDataBytes;
681 tcpkp->retransBytes.value.ui32 = tcp_mib.tcpRetransBytes;
682 tcpkp->outAck.value.ui32 = tcp_mib.tcpOutAck;
683 tcpkp->outAckDelayed.value.ui32 = tcp_mib.tcpOutAckDelayed;
684 tcpkp->outUrg.value.ui32 = tcp_mib.tcpOutUrg;
685 tcpkp->outWinUpdate.value.ui32 = tcp_mib.tcpOutWinUpdate;
686 tcpkp->outWinProbe.value.ui32 = tcp_mib.tcpOutWinProbe;
687 tcpkp->outControl.value.ui32 = tcp_mib.tcpOutControl;
688 tcpkp->outFastRetrans.value.ui32 = tcp_mib.tcpOutFastRetrans;
689 tcpkp->inAckSegs.value.ui32 = tcp_mib.tcpInAckSegs;
690 tcpkp->inAckBytes.value.ui32 = tcp_mib.tcpInAckBytes;
691 tcpkp->inDupAck.value.ui32 = tcp_mib.tcpInDupAck;
692 tcpkp->inAckUnsent.value.ui32 = tcp_mib.tcpInAckUnsent;
693 tcpkp->inDataInorderSegs.value.ui32 = tcp_mib.tcpInDataInorderSegs;
694 tcpkp->inDataInorderBytes.value.ui32 = tcp_mib.tcpInDataInorderBytes;
695 tcpkp->inDataUnorderSegs.value.ui32 = tcp_mib.tcpInDataUnorderSegs;
696 tcpkp->inDataUnorderBytes.value.ui32 = tcp_mib.tcpInDataUnorderBytes;
697 tcpkp->inDataDupSegs.value.ui32 = tcp_mib.tcpInDataDupSegs;
698 tcpkp->inDataDupBytes.value.ui32 = tcp_mib.tcpInDataDupBytes;
699 tcpkp->inDataPartDupSegs.value.ui32 = tcp_mib.tcpInDataPartDupSegs;
700 tcpkp->inDataPartDupBytes.value.ui32 = tcp_mib.tcpInDataPartDupBytes;
701 tcpkp->inDataPastWinSegs.value.ui32 = tcp_mib.tcpInDataPastWinSegs;
702 tcpkp->inDataPastWinBytes.value.ui32 = tcp_mib.tcpInDataPastWinBytes;
703 tcpkp->inWinProbe.value.ui32 = tcp_mib.tcpInWinProbe;
704 tcpkp->inWinUpdate.value.ui32 = tcp_mib.tcpInWinUpdate;
705 tcpkp->inClosed.value.ui32 = tcp_mib.tcpInClosed;
706 tcpkp->rttNoUpdate.value.ui32 = tcp_mib.tcpRttNoUpdate;
707 tcpkp->rttUpdate.value.ui32 = tcp_mib.tcpRttUpdate;
708 tcpkp->timRetrans.value.ui32 = tcp_mib.tcpTimRetrans;
709 tcpkp->timRetransDrop.value.ui32 = tcp_mib.tcpTimRetransDrop;
710 tcpkp->timKeepalive.value.ui32 = tcp_mib.tcpTimKeepalive;
711 tcpkp->timKeepaliveProbe.value.ui32 = tcp_mib.tcpTimKeepaliveProbe;
712 tcpkp->timKeepaliveDrop.value.ui32 = tcp_mib.tcpTimKeepaliveDrop;
713 tcpkp->listenDrop.value.ui32 = tcp_mib.tcpListenDrop;
714 tcpkp->listenDropQ0.value.ui32 = tcp_mib.tcpListenDropQ0;
715 tcpkp->halfOpenDrop.value.ui32 = tcp_mib.tcpHalfOpenDrop;
716 tcpkp->outSackRetransSegs.value.ui32 = tcp_mib.tcpOutSackRetransSegs;
717 tcpkp->connTableSize6.value.i32 = tcp_mib.tcp6ConnTableSize;
718
719 netstack_rele(ns);
720 return (0);
721 }
722
723 /*
724 * kstats related to squeues i.e. not per IP instance
725 */
726 void *
727 tcp_g_kstat_init(tcp_g_stat_t *tcp_g_statp)
728 {
729 kstat_t *ksp;
730
731 tcp_g_stat_t template = {
732 { "tcp_timermp_alloced", KSTAT_DATA_UINT64 },
733 { "tcp_timermp_allocfail", KSTAT_DATA_UINT64 },
734 { "tcp_timermp_allocdblfail", KSTAT_DATA_UINT64 },
735 { "tcp_freelist_cleanup", KSTAT_DATA_UINT64 },
736 };
737
738 ksp = kstat_create(TCP_MOD_NAME, 0, "tcpstat_g", "net",
739 KSTAT_TYPE_NAMED, sizeof (template) / sizeof (kstat_named_t),
740 KSTAT_FLAG_VIRTUAL);
741
742 if (ksp == NULL)
743 return (NULL);
744
745 bcopy(&template, tcp_g_statp, sizeof (template));
746 ksp->ks_data = (void *)tcp_g_statp;
747
748 kstat_install(ksp);
749 return (ksp);
750 }
751
752 void
753 tcp_g_kstat_fini(kstat_t *ksp)
754 {
755 if (ksp != NULL) {
756 kstat_delete(ksp);
757 }
758 }
759
760 void *
761 tcp_kstat2_init(netstackid_t stackid)
762 {
763 kstat_t *ksp;
764
765 tcp_stat_t template = {
766 { "tcp_time_wait_syn_success", KSTAT_DATA_UINT64, 0 },
767 { "tcp_clean_death_nondetached", KSTAT_DATA_UINT64, 0 },
768 { "tcp_eager_blowoff_q", KSTAT_DATA_UINT64, 0 },
769 { "tcp_eager_blowoff_q0", KSTAT_DATA_UINT64, 0 },
770 { "tcp_no_listener", KSTAT_DATA_UINT64, 0 },
771 { "tcp_listendrop", KSTAT_DATA_UINT64, 0 },
772 { "tcp_listendropq0", KSTAT_DATA_UINT64, 0 },
773 { "tcp_wsrv_called", KSTAT_DATA_UINT64, 0 },
774 { "tcp_flwctl_on", KSTAT_DATA_UINT64, 0 },
775 { "tcp_timer_fire_early", KSTAT_DATA_UINT64, 0 },
776 { "tcp_timer_fire_miss", KSTAT_DATA_UINT64, 0 },
777 { "tcp_zcopy_on", KSTAT_DATA_UINT64, 0 },
778 { "tcp_zcopy_off", KSTAT_DATA_UINT64, 0 },
779 { "tcp_zcopy_backoff", KSTAT_DATA_UINT64, 0 },
780 { "tcp_fusion_flowctl", KSTAT_DATA_UINT64, 0 },
781 { "tcp_fusion_backenabled", KSTAT_DATA_UINT64, 0 },
782 { "tcp_fusion_urg", KSTAT_DATA_UINT64, 0 },
783 { "tcp_fusion_putnext", KSTAT_DATA_UINT64, 0 },
784 { "tcp_fusion_unfusable", KSTAT_DATA_UINT64, 0 },
785 { "tcp_fusion_aborted", KSTAT_DATA_UINT64, 0 },
786 { "tcp_fusion_unqualified", KSTAT_DATA_UINT64, 0 },
787 { "tcp_fusion_rrw_busy", KSTAT_DATA_UINT64, 0 },
788 { "tcp_fusion_rrw_msgcnt", KSTAT_DATA_UINT64, 0 },
789 { "tcp_fusion_rrw_plugged", KSTAT_DATA_UINT64, 0 },
790 { "tcp_in_ack_unsent_drop", KSTAT_DATA_UINT64, 0 },
791 { "tcp_sock_fallback", KSTAT_DATA_UINT64, 0 },
792 { "tcp_lso_enabled", KSTAT_DATA_UINT64, 0 },
793 { "tcp_lso_disabled", KSTAT_DATA_UINT64, 0 },
794 { "tcp_lso_times", KSTAT_DATA_UINT64, 0 },
795 { "tcp_lso_pkt_out", KSTAT_DATA_UINT64, 0 },
796 { "tcp_listen_cnt_drop", KSTAT_DATA_UINT64, 0 },
797 { "tcp_listen_mem_drop", KSTAT_DATA_UINT64, 0 },
798 { "tcp_zwin_mem_drop", KSTAT_DATA_UINT64, 0 },
799 { "tcp_zwin_ack_syn", KSTAT_DATA_UINT64, 0 },
800 { "tcp_rst_unsent", KSTAT_DATA_UINT64, 0 },
801 { "tcp_reclaim_cnt", KSTAT_DATA_UINT64, 0 },
802 { "tcp_reass_timeout", KSTAT_DATA_UINT64, 0 },
803 #ifdef TCP_DEBUG_COUNTER
804 { "tcp_time_wait", KSTAT_DATA_UINT64, 0 },
805 { "tcp_rput_time_wait", KSTAT_DATA_UINT64, 0 },
806 { "tcp_detach_time_wait", KSTAT_DATA_UINT64, 0 },
807 { "tcp_timeout_calls", KSTAT_DATA_UINT64, 0 },
808 { "tcp_timeout_cached_alloc", KSTAT_DATA_UINT64, 0 },
809 { "tcp_timeout_cancel_reqs", KSTAT_DATA_UINT64, 0 },
810 { "tcp_timeout_canceled", KSTAT_DATA_UINT64, 0 },
811 { "tcp_timermp_freed", KSTAT_DATA_UINT64, 0 },
812 { "tcp_push_timer_cnt", KSTAT_DATA_UINT64, 0 },
813 { "tcp_ack_timer_cnt", KSTAT_DATA_UINT64, 0 },
814 #endif
815 };
816
817 ksp = kstat_create_netstack(TCP_MOD_NAME, stackid, "tcpstat", "net",
818 KSTAT_TYPE_NAMED, sizeof (template) / sizeof (kstat_named_t), 0,
819 stackid);
820
821 if (ksp == NULL)
822 return (NULL);
823
824 bcopy(&template, ksp->ks_data, sizeof (template));
825 ksp->ks_private = (void *)(uintptr_t)stackid;
826 ksp->ks_update = tcp_kstat2_update;
827
828 /*
829 * If this is an exclusive netstack for a local zone, the global zone
830 * should still be able to read the kstat.
831 */
832 if (stackid != GLOBAL_NETSTACKID)
833 kstat_zone_add(ksp, GLOBAL_ZONEID);
834
835 kstat_install(ksp);
836 return (ksp);
837 }
838
839 void
840 tcp_kstat2_fini(netstackid_t stackid, kstat_t *ksp)
841 {
842 if (ksp != NULL) {
843 ASSERT(stackid == (netstackid_t)(uintptr_t)ksp->ks_private);
844 kstat_delete_netstack(ksp, stackid);
845 }
846 }
847
848 /*
849 * Sum up all per CPU tcp_stat_t kstat counters.
850 */
851 static int
852 tcp_kstat2_update(kstat_t *kp, int rw)
853 {
854 netstackid_t stackid = (netstackid_t)(uintptr_t)kp->ks_private;
855 netstack_t *ns;
856 tcp_stack_t *tcps;
857 tcp_stat_t *stats;
858 int i;
859 int cnt;
860
861 if (rw == KSTAT_WRITE)
862 return (EACCES);
863
864 ns = netstack_find_by_stackid(stackid);
865 if (ns == NULL)
866 return (-1);
867 tcps = ns->netstack_tcp;
868 if (tcps == NULL) {
869 netstack_rele(ns);
870 return (-1);
871 }
872
873 stats = (tcp_stat_t *)kp->ks_data;
874 tcp_clr_stats(stats);
875
876 /*
877 * tcps_sc_cnt may change in the middle of the loop. It is better
878 * to get its value first.
879 */
880 cnt = tcps->tcps_sc_cnt;
881 for (i = 0; i < cnt; i++)
882 tcp_add_stats(&tcps->tcps_sc[i]->tcp_sc_stats, stats);
883
884 netstack_rele(ns);
885 return (0);
886 }
887
888 /*
889 * To add stats from one mib2_tcp_t to another. Static fields are not added.
890 * The caller should set them up propertly.
891 */
892 static void
893 tcp_add_mib(mib2_tcp_t *from, mib2_tcp_t *to)
894 {
895 to->tcpActiveOpens += from->tcpActiveOpens;
896 to->tcpPassiveOpens += from->tcpPassiveOpens;
897 to->tcpAttemptFails += from->tcpAttemptFails;
898 to->tcpEstabResets += from->tcpEstabResets;
899 to->tcpInSegs += from->tcpInSegs;
900 to->tcpOutSegs += from->tcpOutSegs;
901 to->tcpRetransSegs += from->tcpRetransSegs;
902 to->tcpOutRsts += from->tcpOutRsts;
903
904 to->tcpOutDataSegs += from->tcpOutDataSegs;
905 to->tcpOutDataBytes += from->tcpOutDataBytes;
906 to->tcpRetransBytes += from->tcpRetransBytes;
907 to->tcpOutAck += from->tcpOutAck;
908 to->tcpOutAckDelayed += from->tcpOutAckDelayed;
909 to->tcpOutUrg += from->tcpOutUrg;
910 to->tcpOutWinUpdate += from->tcpOutWinUpdate;
911 to->tcpOutWinProbe += from->tcpOutWinProbe;
912 to->tcpOutControl += from->tcpOutControl;
913 to->tcpOutFastRetrans += from->tcpOutFastRetrans;
914
915 to->tcpInAckBytes += from->tcpInAckBytes;
916 to->tcpInDupAck += from->tcpInDupAck;
917 to->tcpInAckUnsent += from->tcpInAckUnsent;
918 to->tcpInDataInorderSegs += from->tcpInDataInorderSegs;
919 to->tcpInDataInorderBytes += from->tcpInDataInorderBytes;
920 to->tcpInDataUnorderSegs += from->tcpInDataUnorderSegs;
921 to->tcpInDataUnorderBytes += from->tcpInDataUnorderBytes;
922 to->tcpInDataDupSegs += from->tcpInDataDupSegs;
923 to->tcpInDataDupBytes += from->tcpInDataDupBytes;
924 to->tcpInDataPartDupSegs += from->tcpInDataPartDupSegs;
925 to->tcpInDataPartDupBytes += from->tcpInDataPartDupBytes;
926 to->tcpInDataPastWinSegs += from->tcpInDataPastWinSegs;
927 to->tcpInDataPastWinBytes += from->tcpInDataPastWinBytes;
928 to->tcpInWinProbe += from->tcpInWinProbe;
929 to->tcpInWinUpdate += from->tcpInWinUpdate;
930 to->tcpInClosed += from->tcpInClosed;
931
932 to->tcpRttNoUpdate += from->tcpRttNoUpdate;
933 to->tcpRttUpdate += from->tcpRttUpdate;
934 to->tcpTimRetrans += from->tcpTimRetrans;
935 to->tcpTimRetransDrop += from->tcpTimRetransDrop;
936 to->tcpTimKeepalive += from->tcpTimKeepalive;
937 to->tcpTimKeepaliveProbe += from->tcpTimKeepaliveProbe;
938 to->tcpTimKeepaliveDrop += from->tcpTimKeepaliveDrop;
939 to->tcpListenDrop += from->tcpListenDrop;
940 to->tcpListenDropQ0 += from->tcpListenDropQ0;
941 to->tcpHalfOpenDrop += from->tcpHalfOpenDrop;
942 to->tcpOutSackRetransSegs += from->tcpOutSackRetransSegs;
943 to->tcpHCInSegs += from->tcpHCInSegs;
944 to->tcpHCOutSegs += from->tcpHCOutSegs;
945 }
946
947 /*
948 * To sum up all MIB2 stats for a tcp_stack_t from all per CPU stats. The
949 * caller should initialize the target mib2_tcp_t properly as this function
950 * just adds up all the per CPU stats.
951 */
952 static void
953 tcp_sum_mib(tcp_stack_t *tcps, mib2_tcp_t *tcp_mib)
954 {
955 int i;
956 int cnt;
957
958 /*
959 * tcps_sc_cnt may change in the middle of the loop. It is better
960 * to get its value first.
961 */
962 cnt = tcps->tcps_sc_cnt;
963 for (i = 0; i < cnt; i++)
964 tcp_add_mib(&tcps->tcps_sc[i]->tcp_sc_mib, tcp_mib);
965 }
966
967 /*
968 * To set all tcp_stat_t counters to 0.
969 */
970 static void
971 tcp_clr_stats(tcp_stat_t *stats)
972 {
973 stats->tcp_time_wait_syn_success.value.ui64 = 0;
974 stats->tcp_clean_death_nondetached.value.ui64 = 0;
975 stats->tcp_eager_blowoff_q.value.ui64 = 0;
976 stats->tcp_eager_blowoff_q0.value.ui64 = 0;
977 stats->tcp_no_listener.value.ui64 = 0;
978 stats->tcp_listendrop.value.ui64 = 0;
979 stats->tcp_listendropq0.value.ui64 = 0;
980 stats->tcp_wsrv_called.value.ui64 = 0;
981 stats->tcp_flwctl_on.value.ui64 = 0;
982 stats->tcp_timer_fire_early.value.ui64 = 0;
983 stats->tcp_timer_fire_miss.value.ui64 = 0;
984 stats->tcp_zcopy_on.value.ui64 = 0;
985 stats->tcp_zcopy_off.value.ui64 = 0;
986 stats->tcp_zcopy_backoff.value.ui64 = 0;
987 stats->tcp_fusion_flowctl.value.ui64 = 0;
988 stats->tcp_fusion_backenabled.value.ui64 = 0;
989 stats->tcp_fusion_urg.value.ui64 = 0;
990 stats->tcp_fusion_putnext.value.ui64 = 0;
991 stats->tcp_fusion_unfusable.value.ui64 = 0;
992 stats->tcp_fusion_aborted.value.ui64 = 0;
993 stats->tcp_fusion_unqualified.value.ui64 = 0;
994 stats->tcp_fusion_rrw_busy.value.ui64 = 0;
995 stats->tcp_fusion_rrw_msgcnt.value.ui64 = 0;
996 stats->tcp_fusion_rrw_plugged.value.ui64 = 0;
997 stats->tcp_in_ack_unsent_drop.value.ui64 = 0;
998 stats->tcp_sock_fallback.value.ui64 = 0;
999 stats->tcp_lso_enabled.value.ui64 = 0;
1000 stats->tcp_lso_disabled.value.ui64 = 0;
1001 stats->tcp_lso_times.value.ui64 = 0;
1002 stats->tcp_lso_pkt_out.value.ui64 = 0;
1003 stats->tcp_listen_cnt_drop.value.ui64 = 0;
1004 stats->tcp_listen_mem_drop.value.ui64 = 0;
1005 stats->tcp_zwin_mem_drop.value.ui64 = 0;
1006 stats->tcp_zwin_ack_syn.value.ui64 = 0;
1007 stats->tcp_rst_unsent.value.ui64 = 0;
1008 stats->tcp_reclaim_cnt.value.ui64 = 0;
1009 stats->tcp_reass_timeout.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
1107 #ifdef TCP_DEBUG_COUNTER
1108 to->tcp_time_wait.value.ui64 +=
1109 from->tcp_time_wait;
1110 to->tcp_rput_time_wait.value.ui64 +=
1111 from->tcp_rput_time_wait;
1112 to->tcp_detach_time_wait.value.ui64 +=
1113 from->tcp_detach_time_wait;
1114 to->tcp_timeout_calls.value.ui64 +=
1115 from->tcp_timeout_calls;
1116 to->tcp_timeout_cached_alloc.value.ui64 +=
1117 from->tcp_timeout_cached_alloc;
1118 to->tcp_timeout_cancel_reqs.value.ui64 +=
1119 from->tcp_timeout_cancel_reqs;
1120 to->tcp_timeout_canceled.value.ui64 +=
1121 from->tcp_timeout_canceled;
1122 to->tcp_timermp_freed.value.ui64 +=
1123 from->tcp_timermp_freed;
1124 to->tcp_push_timer_cnt.value.ui64 +=
1125 from->tcp_push_timer_cnt;
1126 to->tcp_ack_timer_cnt.value.ui64 +=
1127 from->tcp_ack_timer_cnt;
1128 #endif
1129 }