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
tcp_snmp_state(tcp_t * tcp)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
tcp_set_conninfo(tcp_t * tcp,struct tcpConnEntryInfo_s * tcei,boolean_t ispriv)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 *
tcp_snmp_get(queue_t * q,mblk_t * mpctl,boolean_t legacy_req)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
tcp_snmp_set(queue_t * q,int level,int name,uchar_t * ptr,int len)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 *
tcp_kstat_init(netstackid_t stackid)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
tcp_kstat_fini(netstackid_t stackid,kstat_t * ksp)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
tcp_kstat_update(kstat_t * kp,int rw)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 *
tcp_g_kstat_init(tcp_g_stat_t * tcp_g_statp)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
tcp_g_kstat_fini(kstat_t * ksp)743 tcp_g_kstat_fini(kstat_t *ksp)
744 {
745 if (ksp != NULL) {
746 kstat_delete(ksp);
747 }
748 }
749
750 void *
tcp_kstat2_init(netstackid_t stackid)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 #ifdef TCP_DEBUG_COUNTER
798 { "tcp_time_wait", KSTAT_DATA_UINT64, 0 },
799 { "tcp_rput_time_wait", KSTAT_DATA_UINT64, 0 },
800 { "tcp_detach_time_wait", KSTAT_DATA_UINT64, 0 },
801 { "tcp_timeout_calls", KSTAT_DATA_UINT64, 0 },
802 { "tcp_timeout_cached_alloc", KSTAT_DATA_UINT64, 0 },
803 { "tcp_timeout_cancel_reqs", KSTAT_DATA_UINT64, 0 },
804 { "tcp_timeout_canceled", KSTAT_DATA_UINT64, 0 },
805 { "tcp_timermp_freed", KSTAT_DATA_UINT64, 0 },
806 { "tcp_push_timer_cnt", KSTAT_DATA_UINT64, 0 },
807 { "tcp_ack_timer_cnt", KSTAT_DATA_UINT64, 0 },
808 #endif
809 };
810
811 ksp = kstat_create_netstack(TCP_MOD_NAME, stackid, "tcpstat", "net",
812 KSTAT_TYPE_NAMED, sizeof (template) / sizeof (kstat_named_t), 0,
813 stackid);
814
815 if (ksp == NULL)
816 return (NULL);
817
818 bcopy(&template, ksp->ks_data, sizeof (template));
819 ksp->ks_private = (void *)(uintptr_t)stackid;
820 ksp->ks_update = tcp_kstat2_update;
821
822 /*
823 * If this is an exclusive netstack for a local zone, the global zone
824 * should still be able to read the kstat.
825 */
826 if (stackid != GLOBAL_NETSTACKID)
827 kstat_zone_add(ksp, GLOBAL_ZONEID);
828
829 kstat_install(ksp);
830 return (ksp);
831 }
832
833 void
tcp_kstat2_fini(netstackid_t stackid,kstat_t * ksp)834 tcp_kstat2_fini(netstackid_t stackid, kstat_t *ksp)
835 {
836 if (ksp != NULL) {
837 ASSERT(stackid == (netstackid_t)(uintptr_t)ksp->ks_private);
838 kstat_delete_netstack(ksp, stackid);
839 }
840 }
841
842 /*
843 * Sum up all per CPU tcp_stat_t kstat counters.
844 */
845 static int
tcp_kstat2_update(kstat_t * kp,int rw)846 tcp_kstat2_update(kstat_t *kp, int rw)
847 {
848 netstackid_t stackid = (netstackid_t)(uintptr_t)kp->ks_private;
849 netstack_t *ns;
850 tcp_stack_t *tcps;
851 tcp_stat_t *stats;
852 int i;
853 int cnt;
854
855 if (rw == KSTAT_WRITE)
856 return (EACCES);
857
858 ns = netstack_find_by_stackid(stackid);
859 if (ns == NULL)
860 return (-1);
861 tcps = ns->netstack_tcp;
862 if (tcps == NULL) {
863 netstack_rele(ns);
864 return (-1);
865 }
866
867 stats = (tcp_stat_t *)kp->ks_data;
868 tcp_clr_stats(stats);
869
870 /*
871 * tcps_sc_cnt may change in the middle of the loop. It is better
872 * to get its value first.
873 */
874 cnt = tcps->tcps_sc_cnt;
875 for (i = 0; i < cnt; i++)
876 tcp_add_stats(&tcps->tcps_sc[i]->tcp_sc_stats, stats);
877
878 netstack_rele(ns);
879 return (0);
880 }
881
882 /*
883 * To add stats from one mib2_tcp_t to another. Static fields are not added.
884 * The caller should set them up propertly.
885 */
886 static void
tcp_add_mib(mib2_tcp_t * from,mib2_tcp_t * to)887 tcp_add_mib(mib2_tcp_t *from, mib2_tcp_t *to)
888 {
889 to->tcpActiveOpens += from->tcpActiveOpens;
890 to->tcpPassiveOpens += from->tcpPassiveOpens;
891 to->tcpAttemptFails += from->tcpAttemptFails;
892 to->tcpEstabResets += from->tcpEstabResets;
893 to->tcpInSegs += from->tcpInSegs;
894 to->tcpOutSegs += from->tcpOutSegs;
895 to->tcpRetransSegs += from->tcpRetransSegs;
896 to->tcpOutRsts += from->tcpOutRsts;
897
898 to->tcpOutDataSegs += from->tcpOutDataSegs;
899 to->tcpOutDataBytes += from->tcpOutDataBytes;
900 to->tcpRetransBytes += from->tcpRetransBytes;
901 to->tcpOutAck += from->tcpOutAck;
902 to->tcpOutAckDelayed += from->tcpOutAckDelayed;
903 to->tcpOutUrg += from->tcpOutUrg;
904 to->tcpOutWinUpdate += from->tcpOutWinUpdate;
905 to->tcpOutWinProbe += from->tcpOutWinProbe;
906 to->tcpOutControl += from->tcpOutControl;
907 to->tcpOutFastRetrans += from->tcpOutFastRetrans;
908
909 to->tcpInAckBytes += from->tcpInAckBytes;
910 to->tcpInDupAck += from->tcpInDupAck;
911 to->tcpInAckUnsent += from->tcpInAckUnsent;
912 to->tcpInDataInorderSegs += from->tcpInDataInorderSegs;
913 to->tcpInDataInorderBytes += from->tcpInDataInorderBytes;
914 to->tcpInDataUnorderSegs += from->tcpInDataUnorderSegs;
915 to->tcpInDataUnorderBytes += from->tcpInDataUnorderBytes;
916 to->tcpInDataDupSegs += from->tcpInDataDupSegs;
917 to->tcpInDataDupBytes += from->tcpInDataDupBytes;
918 to->tcpInDataPartDupSegs += from->tcpInDataPartDupSegs;
919 to->tcpInDataPartDupBytes += from->tcpInDataPartDupBytes;
920 to->tcpInDataPastWinSegs += from->tcpInDataPastWinSegs;
921 to->tcpInDataPastWinBytes += from->tcpInDataPastWinBytes;
922 to->tcpInWinProbe += from->tcpInWinProbe;
923 to->tcpInWinUpdate += from->tcpInWinUpdate;
924 to->tcpInClosed += from->tcpInClosed;
925
926 to->tcpRttNoUpdate += from->tcpRttNoUpdate;
927 to->tcpRttUpdate += from->tcpRttUpdate;
928 to->tcpTimRetrans += from->tcpTimRetrans;
929 to->tcpTimRetransDrop += from->tcpTimRetransDrop;
930 to->tcpTimKeepalive += from->tcpTimKeepalive;
931 to->tcpTimKeepaliveProbe += from->tcpTimKeepaliveProbe;
932 to->tcpTimKeepaliveDrop += from->tcpTimKeepaliveDrop;
933 to->tcpListenDrop += from->tcpListenDrop;
934 to->tcpListenDropQ0 += from->tcpListenDropQ0;
935 to->tcpHalfOpenDrop += from->tcpHalfOpenDrop;
936 to->tcpOutSackRetransSegs += from->tcpOutSackRetransSegs;
937 to->tcpHCInSegs += from->tcpHCInSegs;
938 to->tcpHCOutSegs += from->tcpHCOutSegs;
939 }
940
941 /*
942 * To sum up all MIB2 stats for a tcp_stack_t from all per CPU stats. The
943 * caller should initialize the target mib2_tcp_t properly as this function
944 * just adds up all the per CPU stats.
945 */
946 static void
tcp_sum_mib(tcp_stack_t * tcps,mib2_tcp_t * tcp_mib)947 tcp_sum_mib(tcp_stack_t *tcps, mib2_tcp_t *tcp_mib)
948 {
949 int i;
950 int cnt;
951
952 /*
953 * tcps_sc_cnt may change in the middle of the loop. It is better
954 * to get its value first.
955 */
956 cnt = tcps->tcps_sc_cnt;
957 for (i = 0; i < cnt; i++)
958 tcp_add_mib(&tcps->tcps_sc[i]->tcp_sc_mib, tcp_mib);
959 }
960
961 /*
962 * To set all tcp_stat_t counters to 0.
963 */
964 static void
tcp_clr_stats(tcp_stat_t * stats)965 tcp_clr_stats(tcp_stat_t *stats)
966 {
967 stats->tcp_time_wait_syn_success.value.ui64 = 0;
968 stats->tcp_clean_death_nondetached.value.ui64 = 0;
969 stats->tcp_eager_blowoff_q.value.ui64 = 0;
970 stats->tcp_eager_blowoff_q0.value.ui64 = 0;
971 stats->tcp_no_listener.value.ui64 = 0;
972 stats->tcp_listendrop.value.ui64 = 0;
973 stats->tcp_listendropq0.value.ui64 = 0;
974 stats->tcp_wsrv_called.value.ui64 = 0;
975 stats->tcp_flwctl_on.value.ui64 = 0;
976 stats->tcp_timer_fire_early.value.ui64 = 0;
977 stats->tcp_timer_fire_miss.value.ui64 = 0;
978 stats->tcp_zcopy_on.value.ui64 = 0;
979 stats->tcp_zcopy_off.value.ui64 = 0;
980 stats->tcp_zcopy_backoff.value.ui64 = 0;
981 stats->tcp_fusion_flowctl.value.ui64 = 0;
982 stats->tcp_fusion_backenabled.value.ui64 = 0;
983 stats->tcp_fusion_urg.value.ui64 = 0;
984 stats->tcp_fusion_putnext.value.ui64 = 0;
985 stats->tcp_fusion_unfusable.value.ui64 = 0;
986 stats->tcp_fusion_aborted.value.ui64 = 0;
987 stats->tcp_fusion_unqualified.value.ui64 = 0;
988 stats->tcp_fusion_rrw_busy.value.ui64 = 0;
989 stats->tcp_fusion_rrw_msgcnt.value.ui64 = 0;
990 stats->tcp_fusion_rrw_plugged.value.ui64 = 0;
991 stats->tcp_in_ack_unsent_drop.value.ui64 = 0;
992 stats->tcp_sock_fallback.value.ui64 = 0;
993 stats->tcp_lso_enabled.value.ui64 = 0;
994 stats->tcp_lso_disabled.value.ui64 = 0;
995 stats->tcp_lso_times.value.ui64 = 0;
996 stats->tcp_lso_pkt_out.value.ui64 = 0;
997 stats->tcp_listen_cnt_drop.value.ui64 = 0;
998 stats->tcp_listen_mem_drop.value.ui64 = 0;
999 stats->tcp_zwin_mem_drop.value.ui64 = 0;
1000 stats->tcp_zwin_ack_syn.value.ui64 = 0;
1001 stats->tcp_rst_unsent.value.ui64 = 0;
1002 stats->tcp_reclaim_cnt.value.ui64 = 0;
1003 stats->tcp_reass_timeout.value.ui64 = 0;
1004 stats->tcp_sig_no_option.value.ui64 = 0;
1005 stats->tcp_sig_no_space.value.ui64 = 0;
1006 stats->tcp_sig_match_failed.value.ui64 = 0;
1007 stats->tcp_sig_verify_failed.value.ui64 = 0;
1008
1009 #ifdef TCP_DEBUG_COUNTER
1010 stats->tcp_time_wait.value.ui64 = 0;
1011 stats->tcp_rput_time_wait.value.ui64 = 0;
1012 stats->tcp_detach_time_wait.value.ui64 = 0;
1013 stats->tcp_timeout_calls.value.ui64 = 0;
1014 stats->tcp_timeout_cached_alloc.value.ui64 = 0;
1015 stats->tcp_timeout_cancel_reqs.value.ui64 = 0;
1016 stats->tcp_timeout_canceled.value.ui64 = 0;
1017 stats->tcp_timermp_freed.value.ui64 = 0;
1018 stats->tcp_push_timer_cnt.value.ui64 = 0;
1019 stats->tcp_ack_timer_cnt.value.ui64 = 0;
1020 #endif
1021 }
1022
1023 /*
1024 * To add counters from the per CPU tcp_stat_counter_t to the stack
1025 * tcp_stat_t.
1026 */
1027 static void
tcp_add_stats(tcp_stat_counter_t * from,tcp_stat_t * to)1028 tcp_add_stats(tcp_stat_counter_t *from, tcp_stat_t *to)
1029 {
1030 to->tcp_time_wait_syn_success.value.ui64 +=
1031 from->tcp_time_wait_syn_success;
1032 to->tcp_clean_death_nondetached.value.ui64 +=
1033 from->tcp_clean_death_nondetached;
1034 to->tcp_eager_blowoff_q.value.ui64 +=
1035 from->tcp_eager_blowoff_q;
1036 to->tcp_eager_blowoff_q0.value.ui64 +=
1037 from->tcp_eager_blowoff_q0;
1038 to->tcp_no_listener.value.ui64 +=
1039 from->tcp_no_listener;
1040 to->tcp_listendrop.value.ui64 +=
1041 from->tcp_listendrop;
1042 to->tcp_listendropq0.value.ui64 +=
1043 from->tcp_listendropq0;
1044 to->tcp_wsrv_called.value.ui64 +=
1045 from->tcp_wsrv_called;
1046 to->tcp_flwctl_on.value.ui64 +=
1047 from->tcp_flwctl_on;
1048 to->tcp_timer_fire_early.value.ui64 +=
1049 from->tcp_timer_fire_early;
1050 to->tcp_timer_fire_miss.value.ui64 +=
1051 from->tcp_timer_fire_miss;
1052 to->tcp_zcopy_on.value.ui64 +=
1053 from->tcp_zcopy_on;
1054 to->tcp_zcopy_off.value.ui64 +=
1055 from->tcp_zcopy_off;
1056 to->tcp_zcopy_backoff.value.ui64 +=
1057 from->tcp_zcopy_backoff;
1058 to->tcp_fusion_flowctl.value.ui64 +=
1059 from->tcp_fusion_flowctl;
1060 to->tcp_fusion_backenabled.value.ui64 +=
1061 from->tcp_fusion_backenabled;
1062 to->tcp_fusion_urg.value.ui64 +=
1063 from->tcp_fusion_urg;
1064 to->tcp_fusion_putnext.value.ui64 +=
1065 from->tcp_fusion_putnext;
1066 to->tcp_fusion_unfusable.value.ui64 +=
1067 from->tcp_fusion_unfusable;
1068 to->tcp_fusion_aborted.value.ui64 +=
1069 from->tcp_fusion_aborted;
1070 to->tcp_fusion_unqualified.value.ui64 +=
1071 from->tcp_fusion_unqualified;
1072 to->tcp_fusion_rrw_busy.value.ui64 +=
1073 from->tcp_fusion_rrw_busy;
1074 to->tcp_fusion_rrw_msgcnt.value.ui64 +=
1075 from->tcp_fusion_rrw_msgcnt;
1076 to->tcp_fusion_rrw_plugged.value.ui64 +=
1077 from->tcp_fusion_rrw_plugged;
1078 to->tcp_in_ack_unsent_drop.value.ui64 +=
1079 from->tcp_in_ack_unsent_drop;
1080 to->tcp_sock_fallback.value.ui64 +=
1081 from->tcp_sock_fallback;
1082 to->tcp_lso_enabled.value.ui64 +=
1083 from->tcp_lso_enabled;
1084 to->tcp_lso_disabled.value.ui64 +=
1085 from->tcp_lso_disabled;
1086 to->tcp_lso_times.value.ui64 +=
1087 from->tcp_lso_times;
1088 to->tcp_lso_pkt_out.value.ui64 +=
1089 from->tcp_lso_pkt_out;
1090 to->tcp_listen_cnt_drop.value.ui64 +=
1091 from->tcp_listen_cnt_drop;
1092 to->tcp_listen_mem_drop.value.ui64 +=
1093 from->tcp_listen_mem_drop;
1094 to->tcp_zwin_mem_drop.value.ui64 +=
1095 from->tcp_zwin_mem_drop;
1096 to->tcp_zwin_ack_syn.value.ui64 +=
1097 from->tcp_zwin_ack_syn;
1098 to->tcp_rst_unsent.value.ui64 +=
1099 from->tcp_rst_unsent;
1100 to->tcp_reclaim_cnt.value.ui64 +=
1101 from->tcp_reclaim_cnt;
1102 to->tcp_reass_timeout.value.ui64 +=
1103 from->tcp_reass_timeout;
1104 to->tcp_sig_no_option.value.ui64 +=
1105 from->tcp_sig_no_option;
1106 to->tcp_sig_no_space.value.ui64 +=
1107 from->tcp_sig_no_space;
1108 to->tcp_sig_match_failed.value.ui64 +=
1109 from->tcp_sig_match_failed;
1110 to->tcp_sig_verify_failed.value.ui64 +=
1111 from->tcp_sig_verify_failed;
1112
1113 #ifdef TCP_DEBUG_COUNTER
1114 to->tcp_time_wait.value.ui64 +=
1115 from->tcp_time_wait;
1116 to->tcp_rput_time_wait.value.ui64 +=
1117 from->tcp_rput_time_wait;
1118 to->tcp_detach_time_wait.value.ui64 +=
1119 from->tcp_detach_time_wait;
1120 to->tcp_timeout_calls.value.ui64 +=
1121 from->tcp_timeout_calls;
1122 to->tcp_timeout_cached_alloc.value.ui64 +=
1123 from->tcp_timeout_cached_alloc;
1124 to->tcp_timeout_cancel_reqs.value.ui64 +=
1125 from->tcp_timeout_cancel_reqs;
1126 to->tcp_timeout_canceled.value.ui64 +=
1127 from->tcp_timeout_canceled;
1128 to->tcp_timermp_freed.value.ui64 +=
1129 from->tcp_timermp_freed;
1130 to->tcp_push_timer_cnt.value.ui64 +=
1131 from->tcp_push_timer_cnt;
1132 to->tcp_ack_timer_cnt.value.ui64 +=
1133 from->tcp_ack_timer_cnt;
1134 #endif
1135 }
1136