2 * Copyright (c) 1983, 1988, 1993, 1995
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 static char sccsid[] = "@(#)inet.c 8.5 (Berkeley) 5/24/95";
36 #include <sys/cdefs.h>
37 __FBSDID("$FreeBSD$");
39 #include <sys/param.h>
40 #include <sys/queue.h>
41 #include <sys/domain.h>
42 #include <sys/protosw.h>
43 #include <sys/socket.h>
44 #include <sys/socketvar.h>
45 #include <sys/sysctl.h>
47 #include <net/route.h>
48 #include <net/if_arp.h>
49 #include <netinet/in.h>
50 #include <netinet/in_systm.h>
51 #include <netinet/ip.h>
52 #include <netinet/ip_carp.h>
54 #include <netinet/ip6.h>
56 #include <netinet/in_pcb.h>
57 #include <netinet/ip_icmp.h>
58 #include <netinet/icmp_var.h>
59 #include <netinet/igmp_var.h>
60 #include <netinet/ip_var.h>
61 #include <netinet/pim_var.h>
62 #include <netinet/tcp.h>
63 #include <netinet/tcpip.h>
64 #include <netinet/tcp_seq.h>
66 #include <netinet/tcp_fsm.h>
67 #include <netinet/tcp_timer.h>
68 #include <netinet/tcp_var.h>
69 #include <netinet/tcp_debug.h>
70 #include <netinet/udp.h>
71 #include <netinet/udp_var.h>
73 #include <arpa/inet.h>
85 char *inetname(struct in_addr *);
86 void inetprint(struct in_addr *, int, const char *, int);
88 static int udp_done, tcp_done, sdp_done;
92 pcblist_sysctl(int proto, const char *name, char **bufp, int istcp)
100 mibvar = "net.inet.tcp.pcblist";
103 mibvar = "net.inet.udp.pcblist";
106 mibvar = "net.inet.divert.pcblist";
109 mibvar = "net.inet.raw.pcblist";
112 if (strncmp(name, "sdp", 3) == 0)
113 mibvar = "net.inet.sdp.pcblist";
115 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
117 warn("sysctl: %s", mibvar);
120 if ((buf = malloc(len)) == 0) {
121 warnx("malloc %lu bytes", (u_long)len);
124 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
125 warn("sysctl: %s", mibvar);
134 * Copied directly from uipc_socket2.c. We leave out some fields that are in
135 * nested structures that aren't used to avoid extra work.
138 sbtoxsockbuf(struct sockbuf *sb, struct xsockbuf *xsb)
140 xsb->sb_cc = sb->sb_cc;
141 xsb->sb_hiwat = sb->sb_hiwat;
142 xsb->sb_mbcnt = sb->sb_mbcnt;
143 xsb->sb_mcnt = sb->sb_mcnt;
144 xsb->sb_ccnt = sb->sb_ccnt;
145 xsb->sb_mbmax = sb->sb_mbmax;
146 xsb->sb_lowat = sb->sb_lowat;
147 xsb->sb_flags = sb->sb_flags;
148 xsb->sb_timeo = sb->sb_timeo;
152 sotoxsocket(struct socket *so, struct xsocket *xso)
154 struct protosw proto;
155 struct domain domain;
157 bzero(xso, sizeof *xso);
158 xso->xso_len = sizeof *xso;
160 xso->so_type = so->so_type;
161 xso->so_options = so->so_options;
162 xso->so_linger = so->so_linger;
163 xso->so_state = so->so_state;
164 xso->so_pcb = so->so_pcb;
165 if (kread((uintptr_t)so->so_proto, &proto, sizeof(proto)) != 0)
167 xso->xso_protocol = proto.pr_protocol;
168 if (kread((uintptr_t)proto.pr_domain, &domain, sizeof(domain)) != 0)
170 xso->xso_family = domain.dom_family;
171 xso->so_qlen = so->so_qlen;
172 xso->so_incqlen = so->so_incqlen;
173 xso->so_qlimit = so->so_qlimit;
174 xso->so_timeo = so->so_timeo;
175 xso->so_error = so->so_error;
176 xso->so_oobmark = so->so_oobmark;
177 sbtoxsockbuf(&so->so_snd, &xso->so_snd);
178 sbtoxsockbuf(&so->so_rcv, &xso->so_rcv);
183 pcblist_kvm(u_long off, char **bufp, int istcp)
185 struct inpcbinfo pcbinfo;
186 struct inpcbhead listhead;
198 kread(off, &pcbinfo, sizeof(pcbinfo));
200 len = 2 * sizeof(xig) +
201 (pcbinfo.ipi_count + pcbinfo.ipi_count / 8) *
202 sizeof(struct xtcpcb);
204 len = 2 * sizeof(xig) +
205 (pcbinfo.ipi_count + pcbinfo.ipi_count / 8) *
206 sizeof(struct xinpcb);
207 if ((buf = malloc(len)) == 0) {
208 warnx("malloc %lu bytes", (u_long)len);
213 #define COPYOUT(obj, size) do { \
214 if (len < (size)) { \
215 warnx("buffer size exceeded"); \
218 bcopy((obj), p, (size)); \
223 #define KREAD(off, buf, len) do { \
224 if (kread((uintptr_t)(off), (buf), (len)) != 0) \
228 /* Write out header. */
229 xig.xig_len = sizeof xig;
230 xig.xig_count = pcbinfo.ipi_count;
231 xig.xig_gen = pcbinfo.ipi_gencnt;
233 COPYOUT(&xig, sizeof xig);
235 /* Walk the PCB list. */
236 xt.xt_len = sizeof xt;
237 xi.xi_len = sizeof xi;
242 KREAD(pcbinfo.ipi_listhead, &listhead, sizeof(listhead));
243 LIST_FOREACH(inp, &listhead, inp_list) {
245 KREAD(inp, &xt.xt_inp, sizeof(*inp));
248 KREAD(inp, &xi.xi_inp, sizeof(*inp));
252 if (inp->inp_gencnt > pcbinfo.ipi_gencnt)
256 if (inp->inp_ppcb == NULL)
257 bzero(&xt.xt_tp, sizeof xt.xt_tp);
258 else if (inp->inp_flags & INP_TIMEWAIT) {
259 bzero(&xt.xt_tp, sizeof xt.xt_tp);
260 xt.xt_tp.t_state = TCPS_TIME_WAIT;
262 KREAD(inp->inp_ppcb, &xt.xt_tp,
265 if (inp->inp_socket) {
266 KREAD(inp->inp_socket, &so, sizeof(so));
267 if (sotoxsocket(&so, xso) != 0)
270 bzero(xso, sizeof(*xso));
272 xso->xso_protocol = IPPROTO_TCP;
275 COPYOUT(&xt, sizeof xt);
277 COPYOUT(&xi, sizeof xi);
280 /* Reread the pcbinfo and write out the footer. */
281 kread(off, &pcbinfo, sizeof(pcbinfo));
282 xig.xig_count = pcbinfo.ipi_count;
283 xig.xig_gen = pcbinfo.ipi_gencnt;
284 COPYOUT(&xig, sizeof xig);
297 * Print a summary of connections related to an Internet
298 * protocol. For TCP, also give state of connection.
299 * Listening processes (aflag) are suppressed unless the
300 * -a (all) flag is specified.
303 protopr(u_long off, const char *name, int af1, int proto)
306 static int first = 1;
309 struct tcpcb *tp = NULL;
311 struct xinpgen *xig, *oxig;
313 struct xtcp_timer *timer;
319 if (strncmp(name, "sdp", 3) != 0) {
343 if (!pcblist_sysctl(proto, name, &buf, istcp))
346 if (!pcblist_kvm(off, &buf, istcp))
350 oxig = xig = (struct xinpgen *)buf;
351 for (xig = (struct xinpgen *)((char *)xig + xig->xig_len);
352 xig->xig_len > sizeof(struct xinpgen);
353 xig = (struct xinpgen *)((char *)xig + xig->xig_len)) {
355 timer = &((struct xtcpcb *)xig)->xt_timer;
356 tp = &((struct xtcpcb *)xig)->xt_tp;
357 inp = &((struct xtcpcb *)xig)->xt_inp;
358 so = &((struct xtcpcb *)xig)->xt_socket;
360 inp = &((struct xinpcb *)xig)->xi_inp;
361 so = &((struct xinpcb *)xig)->xi_socket;
365 /* Ignore sockets for protocols other than the desired one. */
366 if (so->xso_protocol != proto)
369 /* Ignore PCBs which were freed during copyout. */
370 if (inp->inp_gencnt > oxig->xig_gen)
373 if ((af1 == AF_INET && (inp->inp_vflag & INP_IPV4) == 0)
375 || (af1 == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0)
377 || (af1 == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0
379 && (inp->inp_vflag & INP_IPV6) == 0
386 (istcp && tp->t_state == TCPS_LISTEN)
387 || (af1 == AF_INET &&
388 inet_lnaof(inp->inp_laddr) == INADDR_ANY)
390 || (af1 == AF_INET6 &&
391 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
393 || (af1 == AF_UNSPEC &&
394 (((inp->inp_vflag & INP_IPV4) != 0 &&
395 inet_lnaof(inp->inp_laddr) == INADDR_ANY)
397 || ((inp->inp_vflag & INP_IPV6) != 0 &&
398 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
406 printf("Active Internet connections");
408 printf(" (including servers)");
411 "Current listen queue sizes (qlen/incqlen/maxqlen)");
414 printf("%-*s ", 2 * (int)sizeof(void *), "Tcpcb");
416 printf((Aflag && !Wflag) ?
417 "%-5.5s %-14.14s %-18.18s" :
418 "%-5.5s %-14.14s %-22.22s",
419 "Proto", "Listen", "Local Address");
421 printf((Aflag && !Wflag) ?
422 "%-5.5s %-6.6s %-6.6s %-6.6s %-18.18s %s" :
423 "%-5.5s %-6.6s %-6.6s %-6.6s %-22.22s %s",
424 "Proto", "Rexmit", "OOORcv", "0-win",
425 "Local Address", "Foreign Address");
427 printf((Aflag && !Wflag) ?
428 "%-5.5s %-6.6s %-6.6s %-18.18s %-18.18s" :
429 "%-5.5s %-6.6s %-6.6s %-22.22s %-22.22s",
430 "Proto", "Recv-Q", "Send-Q",
431 "Local Address", "Foreign Address");
436 printf(" %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s %-6.6s",
437 "R-MBUF", "S-MBUF", "R-CLUS",
438 "S-CLUS", "R-HIWA", "S-HIWA",
439 "R-LOWA", "S-LOWA", "R-BCNT",
440 "S-BCNT", "R-BMAX", "S-BMAX");
441 printf(" %7.7s %7.7s %7.7s %7.7s %7.7s %7.7s",
442 "rexmt", "persist", "keep",
443 "2msl", "delack", "rcvtime");
448 if (Lflag && so->so_qlimit == 0)
452 printf("%*lx ", 2 * (int)sizeof(void *), (u_long)inp->inp_ppcb);
454 printf("%*lx ", 2 * (int)sizeof(void *), (u_long)so->so_pcb);
457 if ((inp->inp_vflag & INP_IPV6) != 0)
458 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ?
462 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ?
464 if (istcp && (tp->t_flags & TF_TOE) != 0)
465 printf("%-3.3s%-2.2s ", "toe", vchar);
467 printf("%-3.3s%-2.2s ", name, vchar);
471 snprintf(buf1, 15, "%d/%d/%d", so->so_qlen,
472 so->so_incqlen, so->so_qlimit);
473 printf("%-14.14s ", buf1);
476 printf("%6u %6u %6u ", tp->t_sndrexmitpack,
477 tp->t_rcvoopack, tp->t_sndzerowin);
479 printf("%6u %6u ", so->so_rcv.sb_cc, so->so_snd.sb_cc);
482 if (inp->inp_vflag & INP_IPV4) {
483 inetprint(&inp->inp_laddr, (int)inp->inp_lport,
486 inetprint(&inp->inp_faddr,
487 (int)inp->inp_fport, name, 1);
490 else if (inp->inp_vflag & INP_IPV6) {
491 inet6print(&inp->in6p_laddr,
492 (int)inp->inp_lport, name, 1);
494 inet6print(&inp->in6p_faddr,
495 (int)inp->inp_fport, name, 1);
496 } /* else nothing printed now */
498 } else if (inp->inp_flags & INP_ANONPORT) {
499 if (inp->inp_vflag & INP_IPV4) {
500 inetprint(&inp->inp_laddr, (int)inp->inp_lport,
503 inetprint(&inp->inp_faddr,
504 (int)inp->inp_fport, name, 0);
507 else if (inp->inp_vflag & INP_IPV6) {
508 inet6print(&inp->in6p_laddr,
509 (int)inp->inp_lport, name, 1);
511 inet6print(&inp->in6p_faddr,
512 (int)inp->inp_fport, name, 0);
513 } /* else nothing printed now */
516 if (inp->inp_vflag & INP_IPV4) {
517 inetprint(&inp->inp_laddr, (int)inp->inp_lport,
520 inetprint(&inp->inp_faddr,
521 (int)inp->inp_fport, name,
522 inp->inp_lport != inp->inp_fport);
525 else if (inp->inp_vflag & INP_IPV6) {
526 inet6print(&inp->in6p_laddr,
527 (int)inp->inp_lport, name, 0);
529 inet6print(&inp->in6p_faddr,
530 (int)inp->inp_fport, name,
531 inp->inp_lport != inp->inp_fport);
532 } /* else nothing printed now */
536 printf("%6u %6u %6u %6u %6u %6u %6u %6u %6u %6u %6u %6u",
537 so->so_rcv.sb_mcnt, so->so_snd.sb_mcnt,
538 so->so_rcv.sb_ccnt, so->so_snd.sb_ccnt,
539 so->so_rcv.sb_hiwat, so->so_snd.sb_hiwat,
540 so->so_rcv.sb_lowat, so->so_snd.sb_lowat,
541 so->so_rcv.sb_mbcnt, so->so_snd.sb_mbcnt,
542 so->so_rcv.sb_mbmax, so->so_snd.sb_mbmax);
544 printf(" %4d.%02d %4d.%02d %4d.%02d %4d.%02d %4d.%02d %4d.%02d",
545 timer->tt_rexmt / 1000, (timer->tt_rexmt % 1000) / 10,
546 timer->tt_persist / 1000, (timer->tt_persist % 1000) / 10,
547 timer->tt_keep / 1000, (timer->tt_keep % 1000) / 10,
548 timer->tt_2msl / 1000, (timer->tt_2msl % 1000) / 10,
549 timer->tt_delack / 1000, (timer->tt_delack % 1000) / 10,
550 timer->t_rcvtime / 1000, (timer->t_rcvtime % 1000) / 10);
552 if (istcp && !Lflag && !xflag && !Tflag) {
553 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES)
554 printf("%d", tp->t_state);
556 printf("%s", tcpstates[tp->t_state]);
557 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN)
558 /* Show T/TCP `hidden state' */
559 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN))
561 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */
566 if (xig != oxig && xig->xig_gen != oxig->xig_gen) {
567 if (oxig->xig_count > xig->xig_count) {
568 printf("Some %s sockets may have been deleted.\n",
570 } else if (oxig->xig_count < xig->xig_count) {
571 printf("Some %s sockets may have been created.\n",
575 "Some %s sockets may have been created or deleted.\n",
583 * Dump TCP statistics structure.
586 tcp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
588 struct tcpstat tcpstat, zerostat;
589 size_t len = sizeof tcpstat;
600 memset(&zerostat, 0, len);
601 if (sysctlbyname("net.inet.tcp.stats", &tcpstat, &len,
602 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
603 warn("sysctl: net.inet.tcp.stats");
607 kread(off, &tcpstat, len);
609 printf ("%s:\n", name);
611 #define p(f, m) if (tcpstat.f || sflag <= 1) \
612 printf(m, tcpstat.f, plural(tcpstat.f))
613 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \
615 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
616 printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2))
617 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
618 printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2)
619 #define p3(f, m) if (tcpstat.f || sflag <= 1) \
620 printf(m, tcpstat.f, pluralies(tcpstat.f))
622 p(tcps_sndtotal, "\t%lu packet%s sent\n");
623 p2(tcps_sndpack,tcps_sndbyte, "\t\t%lu data packet%s (%lu byte%s)\n");
624 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte,
625 "\t\t%lu data packet%s (%lu byte%s) retransmitted\n");
627 "\t\t%lu data packet%s unnecessarily retransmitted\n");
628 p(tcps_mturesent, "\t\t%lu resend%s initiated by MTU discovery\n");
629 p2a(tcps_sndacks, tcps_delack,
630 "\t\t%lu ack-only packet%s (%lu delayed)\n");
631 p(tcps_sndurg, "\t\t%lu URG only packet%s\n");
632 p(tcps_sndprobe, "\t\t%lu window probe packet%s\n");
633 p(tcps_sndwinup, "\t\t%lu window update packet%s\n");
634 p(tcps_sndctrl, "\t\t%lu control packet%s\n");
635 p(tcps_rcvtotal, "\t%lu packet%s received\n");
636 p2(tcps_rcvackpack, tcps_rcvackbyte,
637 "\t\t%lu ack%s (for %lu byte%s)\n");
638 p(tcps_rcvdupack, "\t\t%lu duplicate ack%s\n");
639 p(tcps_rcvacktoomuch, "\t\t%lu ack%s for unsent data\n");
640 p2(tcps_rcvpack, tcps_rcvbyte,
641 "\t\t%lu packet%s (%lu byte%s) received in-sequence\n");
642 p2(tcps_rcvduppack, tcps_rcvdupbyte,
643 "\t\t%lu completely duplicate packet%s (%lu byte%s)\n");
644 p(tcps_pawsdrop, "\t\t%lu old duplicate packet%s\n");
645 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte,
646 "\t\t%lu packet%s with some dup. data (%lu byte%s duped)\n");
647 p2(tcps_rcvoopack, tcps_rcvoobyte,
648 "\t\t%lu out-of-order packet%s (%lu byte%s)\n");
649 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin,
650 "\t\t%lu packet%s (%lu byte%s) of data after window\n");
651 p(tcps_rcvwinprobe, "\t\t%lu window probe%s\n");
652 p(tcps_rcvwinupd, "\t\t%lu window update packet%s\n");
653 p(tcps_rcvafterclose, "\t\t%lu packet%s received after close\n");
654 p(tcps_rcvbadsum, "\t\t%lu discarded for bad checksum%s\n");
655 p(tcps_rcvbadoff, "\t\t%lu discarded for bad header offset field%s\n");
656 p1a(tcps_rcvshort, "\t\t%lu discarded because packet too short\n");
657 p1a(tcps_rcvmemdrop, "\t\t%lu discarded due to memory problems\n");
658 p(tcps_connattempt, "\t%lu connection request%s\n");
659 p(tcps_accepts, "\t%lu connection accept%s\n");
660 p(tcps_badsyn, "\t%lu bad connection attempt%s\n");
661 p(tcps_listendrop, "\t%lu listen queue overflow%s\n");
662 p(tcps_badrst, "\t%lu ignored RSTs in the window%s\n");
663 p(tcps_connects, "\t%lu connection%s established (including accepts)\n");
664 p2(tcps_closed, tcps_drops,
665 "\t%lu connection%s closed (including %lu drop%s)\n");
666 p(tcps_cachedrtt, "\t\t%lu connection%s updated cached RTT on close\n");
668 "\t\t%lu connection%s updated cached RTT variance on close\n");
669 p(tcps_cachedssthresh,
670 "\t\t%lu connection%s updated cached ssthresh on close\n");
671 p(tcps_conndrops, "\t%lu embryonic connection%s dropped\n");
672 p2(tcps_rttupdated, tcps_segstimed,
673 "\t%lu segment%s updated rtt (of %lu attempt%s)\n");
674 p(tcps_rexmttimeo, "\t%lu retransmit timeout%s\n");
675 p(tcps_timeoutdrop, "\t\t%lu connection%s dropped by rexmit timeout\n");
676 p(tcps_persisttimeo, "\t%lu persist timeout%s\n");
677 p(tcps_persistdrop, "\t\t%lu connection%s dropped by persist timeout\n");
678 p(tcps_finwait2_drops,
679 "\t%lu Connection%s (fin_wait_2) dropped because of timeout\n");
680 p(tcps_keeptimeo, "\t%lu keepalive timeout%s\n");
681 p(tcps_keepprobe, "\t\t%lu keepalive probe%s sent\n");
682 p(tcps_keepdrops, "\t\t%lu connection%s dropped by keepalive\n");
683 p(tcps_predack, "\t%lu correct ACK header prediction%s\n");
684 p(tcps_preddat, "\t%lu correct data packet header prediction%s\n");
686 p3(tcps_sc_added, "\t%lu syncache entr%s added\n");
687 p1a(tcps_sc_retransmitted, "\t\t%lu retransmitted\n");
688 p1a(tcps_sc_dupsyn, "\t\t%lu dupsyn\n");
689 p1a(tcps_sc_dropped, "\t\t%lu dropped\n");
690 p1a(tcps_sc_completed, "\t\t%lu completed\n");
691 p1a(tcps_sc_bucketoverflow, "\t\t%lu bucket overflow\n");
692 p1a(tcps_sc_cacheoverflow, "\t\t%lu cache overflow\n");
693 p1a(tcps_sc_reset, "\t\t%lu reset\n");
694 p1a(tcps_sc_stale, "\t\t%lu stale\n");
695 p1a(tcps_sc_aborted, "\t\t%lu aborted\n");
696 p1a(tcps_sc_badack, "\t\t%lu badack\n");
697 p1a(tcps_sc_unreach, "\t\t%lu unreach\n");
698 p(tcps_sc_zonefail, "\t\t%lu zone failure%s\n");
699 p(tcps_sc_sendcookie, "\t%lu cookie%s sent\n");
700 p(tcps_sc_recvcookie, "\t%lu cookie%s received\n");
702 p(tcps_hc_added, "\t%lu hostcache entrie%s added\n");
703 p1a(tcps_hc_bucketoverflow, "\t\t%lu bucket overflow\n");
705 p(tcps_sack_recovery_episode, "\t%lu SACK recovery episode%s\n");
707 "\t%lu segment rexmit%s in SACK recovery episodes\n");
708 p(tcps_sack_rexmit_bytes,
709 "\t%lu byte rexmit%s in SACK recovery episodes\n");
710 p(tcps_sack_rcv_blocks,
711 "\t%lu SACK option%s (SACK blocks) received\n");
712 p(tcps_sack_send_blocks, "\t%lu SACK option%s (SACK blocks) sent\n");
713 p1a(tcps_sack_sboverflow, "\t%lu SACK scoreboard overflow\n");
715 p(tcps_ecn_ce, "\t%lu packet%s with ECN CE bit set\n");
716 p(tcps_ecn_ect0, "\t%lu packet%s with ECN ECT(0) bit set\n");
717 p(tcps_ecn_ect1, "\t%lu packet%s with ECN ECT(1) bit set\n");
718 p(tcps_ecn_shs, "\t%lu successful ECN handshake%s\n");
719 p(tcps_ecn_rcwnd, "\t%lu time%s ECN reduced the congestion window\n");
728 * Dump UDP statistics structure.
731 udp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
733 struct udpstat udpstat, zerostat;
734 size_t len = sizeof udpstat;
746 memset(&zerostat, 0, len);
747 if (sysctlbyname("net.inet.udp.stats", &udpstat, &len,
748 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
749 warn("sysctl: net.inet.udp.stats");
753 kread(off, &udpstat, len);
755 printf("%s:\n", name);
756 #define p(f, m) if (udpstat.f || sflag <= 1) \
757 printf(m, udpstat.f, plural(udpstat.f))
758 #define p1a(f, m) if (udpstat.f || sflag <= 1) \
760 p(udps_ipackets, "\t%lu datagram%s received\n");
761 p1a(udps_hdrops, "\t%lu with incomplete header\n");
762 p1a(udps_badlen, "\t%lu with bad data length field\n");
763 p1a(udps_badsum, "\t%lu with bad checksum\n");
764 p1a(udps_nosum, "\t%lu with no checksum\n");
765 p1a(udps_noport, "\t%lu dropped due to no socket\n");
767 "\t%lu broadcast/multicast datagram%s undelivered\n");
768 p1a(udps_fullsock, "\t%lu dropped due to full socket buffers\n");
769 p1a(udpps_pcbhashmiss, "\t%lu not for hashed pcb\n");
770 delivered = udpstat.udps_ipackets -
771 udpstat.udps_hdrops -
772 udpstat.udps_badlen -
773 udpstat.udps_badsum -
774 udpstat.udps_noport -
775 udpstat.udps_noportbcast -
776 udpstat.udps_fullsock;
777 if (delivered || sflag <= 1)
778 printf("\t%lu delivered\n", delivered);
779 p(udps_opackets, "\t%lu datagram%s output\n");
780 /* the next statistic is cumulative in udps_noportbcast */
782 "\t%lu time%s multicast source filter matched\n");
788 * Dump CARP statistics structure.
791 carp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
793 struct carpstats carpstat, zerostat;
794 size_t len = sizeof(struct carpstats);
798 memset(&zerostat, 0, len);
799 if (sysctlbyname("net.inet.carp.stats", &carpstat, &len,
800 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
802 warn("sysctl: net.inet.carp.stats");
808 kread(off, &carpstat, len);
811 printf("%s:\n", name);
813 #define p(f, m) if (carpstat.f || sflag <= 1) \
814 printf(m, (uintmax_t)carpstat.f, plural(carpstat.f))
815 #define p2(f, m) if (carpstat.f || sflag <= 1) \
816 printf(m, (uintmax_t)carpstat.f)
818 p(carps_ipackets, "\t%ju packet%s received (IPv4)\n");
819 p(carps_ipackets6, "\t%ju packet%s received (IPv6)\n");
820 p(carps_badttl, "\t\t%ju packet%s discarded for wrong TTL\n");
821 p(carps_hdrops, "\t\t%ju packet%s shorter than header\n");
822 p(carps_badsum, "\t\t%ju discarded for bad checksum%s\n");
823 p(carps_badver, "\t\t%ju discarded packet%s with a bad version\n");
824 p2(carps_badlen, "\t\t%ju discarded because packet too short\n");
825 p2(carps_badauth, "\t\t%ju discarded for bad authentication\n");
826 p2(carps_badvhid, "\t\t%ju discarded for bad vhid\n");
827 p2(carps_badaddrs, "\t\t%ju discarded because of a bad address list\n");
828 p(carps_opackets, "\t%ju packet%s sent (IPv4)\n");
829 p(carps_opackets6, "\t%ju packet%s sent (IPv6)\n");
830 p2(carps_onomem, "\t\t%ju send failed due to mbuf memory error\n");
832 p(carps_ostates, "\t\t%s state update%s sent\n");
839 * Dump IP statistics structure.
842 ip_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
844 struct ipstat ipstat, zerostat;
845 size_t len = sizeof ipstat;
849 memset(&zerostat, 0, len);
850 if (sysctlbyname("net.inet.ip.stats", &ipstat, &len,
851 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
852 warn("sysctl: net.inet.ip.stats");
856 kread(off, &ipstat, len);
858 printf("%s:\n", name);
860 #define p(f, m) if (ipstat.f || sflag <= 1) \
861 printf(m, ipstat.f, plural(ipstat.f))
862 #define p1a(f, m) if (ipstat.f || sflag <= 1) \
865 p(ips_total, "\t%lu total packet%s received\n");
866 p(ips_badsum, "\t%lu bad header checksum%s\n");
867 p1a(ips_toosmall, "\t%lu with size smaller than minimum\n");
868 p1a(ips_tooshort, "\t%lu with data size < data length\n");
869 p1a(ips_toolong, "\t%lu with ip length > max ip packet size\n");
870 p1a(ips_badhlen, "\t%lu with header length < data size\n");
871 p1a(ips_badlen, "\t%lu with data length < header length\n");
872 p1a(ips_badoptions, "\t%lu with bad options\n");
873 p1a(ips_badvers, "\t%lu with incorrect version number\n");
874 p(ips_fragments, "\t%lu fragment%s received\n");
875 p(ips_fragdropped, "\t%lu fragment%s dropped (dup or out of space)\n");
876 p(ips_fragtimeout, "\t%lu fragment%s dropped after timeout\n");
877 p(ips_reassembled, "\t%lu packet%s reassembled ok\n");
878 p(ips_delivered, "\t%lu packet%s for this host\n");
879 p(ips_noproto, "\t%lu packet%s for unknown/unsupported protocol\n");
880 p(ips_forward, "\t%lu packet%s forwarded");
881 p(ips_fastforward, " (%lu packet%s fast forwarded)");
882 if (ipstat.ips_forward || sflag <= 1)
884 p(ips_cantforward, "\t%lu packet%s not forwardable\n");
886 "\t%lu packet%s received for unknown multicast group\n");
887 p(ips_redirectsent, "\t%lu redirect%s sent\n");
888 p(ips_localout, "\t%lu packet%s sent from this host\n");
889 p(ips_rawout, "\t%lu packet%s sent with fabricated ip header\n");
891 "\t%lu output packet%s dropped due to no bufs, etc.\n");
892 p(ips_noroute, "\t%lu output packet%s discarded due to no route\n");
893 p(ips_fragmented, "\t%lu output datagram%s fragmented\n");
894 p(ips_ofragments, "\t%lu fragment%s created\n");
895 p(ips_cantfrag, "\t%lu datagram%s that can't be fragmented\n");
896 p(ips_nogif, "\t%lu tunneling packet%s that can't find gif\n");
897 p(ips_badaddr, "\t%lu datagram%s with bad address in header\n");
903 * Dump ARP statistics structure.
906 arp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
908 struct arpstat arpstat, zerostat;
909 size_t len = sizeof(arpstat);
913 memset(&zerostat, 0, len);
914 if (sysctlbyname("net.link.ether.arp.stats", &arpstat, &len,
915 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
916 warn("sysctl: net.link.ether.arp.stats");
920 kread(off, &arpstat, len);
922 printf("%s:\n", name);
924 #define p(f, m) if (arpstat.f || sflag <= 1) \
925 printf(m, arpstat.f, plural(arpstat.f))
926 #define p2(f, m) if (arpstat.f || sflag <= 1) \
927 printf(m, arpstat.f, pluralies(arpstat.f))
929 p(txrequests, "\t%lu ARP request%s sent\n");
930 p2(txreplies, "\t%lu ARP repl%s sent\n");
931 p(rxrequests, "\t%lu ARP request%s received\n");
932 p2(rxreplies, "\t%lu ARP repl%s received\n");
933 p(received, "\t%lu ARP packet%s received\n");
934 p(dropped, "\t%lu total packet%s dropped due to no ARP entry\n");
935 p(timeouts, "\t%lu ARP entry%s timed out\n");
936 p(dupips, "\t%lu Duplicate IP%s seen\n");
943 static const char *icmpnames[ICMP_MAXTYPE + 1] = {
944 "echo reply", /* RFC 792 */
947 "destination unreachable", /* RFC 792 */
948 "source quench", /* RFC 792 */
949 "routing redirect", /* RFC 792 */
952 "echo", /* RFC 792 */
953 "router advertisement", /* RFC 1256 */
954 "router solicitation", /* RFC 1256 */
955 "time exceeded", /* RFC 792 */
956 "parameter problem", /* RFC 792 */
957 "time stamp", /* RFC 792 */
958 "time stamp reply", /* RFC 792 */
959 "information request", /* RFC 792 */
960 "information request reply", /* RFC 792 */
961 "address mask request", /* RFC 950 */
962 "address mask reply", /* RFC 950 */
974 "icmp traceroute", /* RFC 1393 */
975 "datagram conversion error", /* RFC 1475 */
976 "mobile host redirect",
977 "IPv6 where-are-you",
979 "mobile registration req",
980 "mobile registration reply",
981 "domain name request", /* RFC 1788 */
982 "domain name reply", /* RFC 1788 */
984 "icmp photuris", /* RFC 2521 */
988 * Dump ICMP statistics.
991 icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
993 struct icmpstat icmpstat, zerostat;
997 len = sizeof icmpstat;
1000 memset(&zerostat, 0, len);
1001 if (sysctlbyname("net.inet.icmp.stats", &icmpstat, &len,
1002 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
1003 warn("sysctl: net.inet.icmp.stats");
1007 kread(off, &icmpstat, len);
1009 printf("%s:\n", name);
1011 #define p(f, m) if (icmpstat.f || sflag <= 1) \
1012 printf(m, icmpstat.f, plural(icmpstat.f))
1013 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \
1014 printf(m, icmpstat.f)
1015 #define p2(f, m) if (icmpstat.f || sflag <= 1) \
1016 printf(m, icmpstat.f, plurales(icmpstat.f))
1018 p(icps_error, "\t%lu call%s to icmp_error\n");
1020 "\t%lu error%s not generated in response to an icmp message\n");
1021 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
1022 if (icmpstat.icps_outhist[i] != 0) {
1024 printf("\tOutput histogram:\n");
1027 if (icmpnames[i] != NULL)
1028 printf("\t\t%s: %lu\n", icmpnames[i],
1029 icmpstat.icps_outhist[i]);
1031 printf("\t\tunknown ICMP #%d: %lu\n", i,
1032 icmpstat.icps_outhist[i]);
1034 p(icps_badcode, "\t%lu message%s with bad code fields\n");
1035 p(icps_tooshort, "\t%lu message%s less than the minimum length\n");
1036 p(icps_checksum, "\t%lu message%s with bad checksum\n");
1037 p(icps_badlen, "\t%lu message%s with bad length\n");
1038 p1a(icps_bmcastecho, "\t%lu multicast echo requests ignored\n");
1039 p1a(icps_bmcasttstamp, "\t%lu multicast timestamp requests ignored\n");
1040 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
1041 if (icmpstat.icps_inhist[i] != 0) {
1043 printf("\tInput histogram:\n");
1046 if (icmpnames[i] != NULL)
1047 printf("\t\t%s: %lu\n", icmpnames[i],
1048 icmpstat.icps_inhist[i]);
1050 printf("\t\tunknown ICMP #%d: %lu\n", i,
1051 icmpstat.icps_inhist[i]);
1053 p(icps_reflect, "\t%lu message response%s generated\n");
1054 p2(icps_badaddr, "\t%lu invalid return address%s\n");
1055 p(icps_noroute, "\t%lu no return route%s\n");
1061 if (sysctlbyname("net.inet.icmp.maskrepl", &i, &len, NULL, 0) <
1064 printf("\tICMP address mask responses are %sabled\n",
1069 #ifndef BURN_BRIDGES
1071 * Dump IGMP statistics structure (pre 8.x kernel).
1074 igmp_stats_live_old(const char *name)
1076 struct oigmpstat oigmpstat, zerostat;
1077 size_t len = sizeof(oigmpstat);
1080 memset(&zerostat, 0, len);
1081 if (sysctlbyname("net.inet.igmp.stats", &oigmpstat, &len,
1082 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
1083 warn("sysctl: net.inet.igmp.stats");
1087 printf("%s:\n", name);
1089 #define p(f, m) if (oigmpstat.f || sflag <= 1) \
1090 printf(m, oigmpstat.f, plural(oigmpstat.f))
1091 #define py(f, m) if (oigmpstat.f || sflag <= 1) \
1092 printf(m, oigmpstat.f, oigmpstat.f != 1 ? "ies" : "y")
1093 p(igps_rcv_total, "\t%u message%s received\n");
1094 p(igps_rcv_tooshort, "\t%u message%s received with too few bytes\n");
1095 p(igps_rcv_badsum, "\t%u message%s received with bad checksum\n");
1096 py(igps_rcv_queries, "\t%u membership quer%s received\n");
1097 py(igps_rcv_badqueries,
1098 "\t%u membership quer%s received with invalid field(s)\n");
1099 p(igps_rcv_reports, "\t%u membership report%s received\n");
1100 p(igps_rcv_badreports,
1101 "\t%u membership report%s received with invalid field(s)\n");
1102 p(igps_rcv_ourreports,
1103 "\t%u membership report%s received for groups to which we belong\n");
1104 p(igps_snd_reports, "\t%u membership report%s sent\n");
1108 #endif /* !BURN_BRIDGES */
1111 * Dump IGMP statistics structure.
1114 igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
1116 struct igmpstat igmpstat, zerostat;
1119 #ifndef BURN_BRIDGES
1122 * Detect if we are being run against a pre-IGMPv3 kernel.
1123 * We cannot do this for a core file as the legacy
1124 * struct igmpstat has no size field, nor does it
1125 * export it in any readily-available symbols.
1128 if (sysctlbyname("net.inet.igmp.stats", NULL, &len, NULL,
1130 warn("sysctl: net.inet.igmp.stats");
1133 if (len < sizeof(igmpstat)) {
1134 igmp_stats_live_old(name);
1138 #endif /* !BURN_BRIDGES */
1140 len = sizeof(igmpstat);
1143 memset(&zerostat, 0, len);
1144 if (sysctlbyname("net.inet.igmp.stats", &igmpstat, &len,
1145 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
1146 warn("sysctl: net.inet.igmp.stats");
1150 len = sizeof(igmpstat);
1151 kread(off, &igmpstat, len);
1154 if (igmpstat.igps_version != IGPS_VERSION_3) {
1155 warnx("%s: version mismatch (%d != %d)", __func__,
1156 igmpstat.igps_version, IGPS_VERSION_3);
1158 if (igmpstat.igps_len != IGPS_VERSION3_LEN) {
1159 warnx("%s: size mismatch (%d != %d)", __func__,
1160 igmpstat.igps_len, IGPS_VERSION3_LEN);
1163 printf("%s:\n", name);
1165 #define p64(f, m) if (igmpstat.f || sflag <= 1) \
1166 printf(m, (uintmax_t) igmpstat.f, plural(igmpstat.f))
1167 #define py64(f, m) if (igmpstat.f || sflag <= 1) \
1168 printf(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f))
1169 p64(igps_rcv_total, "\t%ju message%s received\n");
1170 p64(igps_rcv_tooshort, "\t%ju message%s received with too few bytes\n");
1171 p64(igps_rcv_badttl, "\t%ju message%s received with wrong TTL\n");
1172 p64(igps_rcv_badsum, "\t%ju message%s received with bad checksum\n");
1173 py64(igps_rcv_v1v2_queries, "\t%ju V1/V2 membership quer%s received\n");
1174 py64(igps_rcv_v3_queries, "\t%ju V3 membership quer%s received\n");
1175 py64(igps_rcv_badqueries,
1176 "\t%ju membership quer%s received with invalid field(s)\n");
1177 py64(igps_rcv_gen_queries, "\t%ju general quer%s received\n");
1178 py64(igps_rcv_group_queries, "\t%ju group quer%s received\n");
1179 py64(igps_rcv_gsr_queries, "\t%ju group-source quer%s received\n");
1180 py64(igps_drop_gsr_queries, "\t%ju group-source quer%s dropped\n");
1181 p64(igps_rcv_reports, "\t%ju membership report%s received\n");
1182 p64(igps_rcv_badreports,
1183 "\t%ju membership report%s received with invalid field(s)\n");
1184 p64(igps_rcv_ourreports,
1185 "\t%ju membership report%s received for groups to which we belong\n");
1186 p64(igps_rcv_nora, "\t%ju V3 report%s received without Router Alert\n");
1187 p64(igps_snd_reports, "\t%ju membership report%s sent\n");
1193 * Dump PIM statistics structure.
1196 pim_stats(u_long off __unused, const char *name, int af1 __unused,
1199 struct pimstat pimstat, zerostat;
1200 size_t len = sizeof pimstat;
1204 memset(&zerostat, 0, len);
1205 if (sysctlbyname("net.inet.pim.stats", &pimstat, &len,
1206 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
1207 if (errno != ENOENT)
1208 warn("sysctl: net.inet.pim.stats");
1214 kread(off, &pimstat, len);
1217 printf("%s:\n", name);
1219 #define p(f, m) if (pimstat.f || sflag <= 1) \
1220 printf(m, (uintmax_t)pimstat.f, plural(pimstat.f))
1221 #define py(f, m) if (pimstat.f || sflag <= 1) \
1222 printf(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y")
1223 p(pims_rcv_total_msgs, "\t%ju message%s received\n");
1224 p(pims_rcv_total_bytes, "\t%ju byte%s received\n");
1225 p(pims_rcv_tooshort, "\t%ju message%s received with too few bytes\n");
1226 p(pims_rcv_badsum, "\t%ju message%s received with bad checksum\n");
1227 p(pims_rcv_badversion, "\t%ju message%s received with bad version\n");
1228 p(pims_rcv_registers_msgs, "\t%ju data register message%s received\n");
1229 p(pims_rcv_registers_bytes, "\t%ju data register byte%s received\n");
1230 p(pims_rcv_registers_wrongiif,
1231 "\t%ju data register message%s received on wrong iif\n");
1232 p(pims_rcv_badregisters, "\t%ju bad register%s received\n");
1233 p(pims_snd_registers_msgs, "\t%ju data register message%s sent\n");
1234 p(pims_snd_registers_bytes, "\t%ju data register byte%s sent\n");
1240 * Pretty print an Internet address (net address + port).
1243 inetprint(struct in_addr *in, int port, const char *proto, int num_port)
1245 struct servent *sp = 0;
1250 sprintf(line, "%s.", inetname(in));
1252 sprintf(line, "%.*s.", (Aflag && !num_port) ? 12 : 16, inetname(in));
1253 cp = index(line, '\0');
1254 if (!num_port && port)
1255 sp = getservbyport((int)port, proto);
1256 if (sp || port == 0)
1257 sprintf(cp, "%.15s ", sp ? sp->s_name : "*");
1259 sprintf(cp, "%d ", ntohs((u_short)port));
1260 width = (Aflag && !Wflag) ? 18 : 22;
1262 printf("%-*s ", width, line);
1264 printf("%-*.*s ", width, width, line);
1268 * Construct an Internet address representation.
1269 * If numeric_addr has been supplied, give
1270 * numeric value, otherwise try for symbolic name.
1273 inetname(struct in_addr *inp)
1276 static char line[MAXHOSTNAMELEN];
1281 if (!numeric_addr && inp->s_addr != INADDR_ANY) {
1282 int net = inet_netof(*inp);
1283 int lna = inet_lnaof(*inp);
1285 if (lna == INADDR_ANY) {
1286 np = getnetbyaddr(net, AF_INET);
1291 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
1294 trimdomain(cp, strlen(cp));
1298 if (inp->s_addr == INADDR_ANY)
1301 strlcpy(line, cp, sizeof(line));
1303 inp->s_addr = ntohl(inp->s_addr);
1304 #define C(x) ((u_int)((x) & 0xff))
1305 sprintf(line, "%u.%u.%u.%u", C(inp->s_addr >> 24),
1306 C(inp->s_addr >> 16), C(inp->s_addr >> 8), C(inp->s_addr));