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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)inet.c 8.5 (Berkeley) 5/24/95
34 * $FreeBSD: src/usr.bin/netstat/inet.c,v 1.37.2.11 2003/11/27 14:46:49 ru Exp $
35 * $DragonFly: src/usr.bin/netstat/inet.c,v 1.21 2007/12/29 22:15:06 hasso Exp $
38 #include <sys/param.h>
39 #include <sys/queue.h>
40 #include <sys/socket.h>
41 #include <sys/socketvar.h>
42 #include <sys/sysctl.h>
43 #include <sys/protosw.h>
46 #include <net/route.h>
47 #include <netinet/in.h>
48 #include <netinet/in_systm.h>
49 #include <netinet/ip.h>
50 #include <netinet/ip_carp.h>
52 #include <netinet/ip6.h>
54 #include <netinet/in_pcb.h>
55 #include <netinet/ip_icmp.h>
56 #include <netinet/icmp_var.h>
57 #include <netinet/igmp_var.h>
58 #include <netinet/ip_var.h>
59 #include <netinet/pim_var.h>
60 #include <netinet/tcp.h>
61 #include <netinet/tcpip.h>
62 #include <netinet/tcp_seq.h>
64 #include <netinet/tcp_fsm.h>
65 #include <netinet/tcp_timer.h>
66 #include <netinet/tcp_var.h>
67 #include <netinet/tcp_debug.h>
68 #include <netinet/udp.h>
69 #include <netinet/udp_var.h>
71 #include <arpa/inet.h>
82 char *inetname (struct in_addr *);
83 void inetprint (struct in_addr *, int, const char *, int);
85 extern void inet6print (struct in6_addr *, int, const char *, int);
86 static int udp_done, tcp_done;
90 * Print a summary of connections related to an Internet
91 * protocol. For TCP, also give state of connection.
92 * Listening processes (aflag) are suppressed unless the
93 * -a (all) flag is specified.
96 static int ppr_first = 1;
97 static void outputpcb(int proto, const char *name, struct inpcb *inp, struct xsocket *so, struct tcpcb *tp);
100 protopr(u_long proto, const char *name, int af1 __unused)
117 mibvar = "net.inet.tcp.pcblist";
126 mibvar = "net.inet.udp.pcblist";
129 mibvar = "net.inet.divert.pcblist";
132 mibvar = "net.inet.raw.pcblist";
136 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
138 warn("sysctl: %s", mibvar);
143 if ((buf = malloc(len)) == 0) {
144 warn("malloc %lu bytes", (u_long)len);
147 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
148 warn("sysctl: %s", mibvar);
154 struct xtcpcb *tcp = buf;
156 for (i = 0; i < len; i++) {
157 if (tcp[i].xt_len != sizeof(*tcp))
159 outputpcb(proto, name, &tcp[i].xt_inp,
160 &tcp[i].xt_socket, &tcp[i].xt_tp);
163 struct xinpcb *in = buf;
165 for (i = 0; i < len; i++) {
166 if (in[i].xi_len != sizeof(*in))
168 outputpcb(proto, name, &in[i].xi_inp,
169 &in[i].xi_socket, NULL);
176 outputpcb(int proto, const char *name, struct inpcb *inp, struct xsocket *so, struct tcpcb *tp)
179 static struct clockinfo clockinfo;
181 if (clockinfo.hz == 0) {
182 size_t size = sizeof(clockinfo);
183 sysctlbyname("kern.clockrate", &clockinfo, &size, NULL, 0);
184 if (clockinfo.hz == 0)
188 /* Ignore sockets for protocols other than the desired one. */
189 if (so->xso_protocol != (int)proto)
192 if ((af == AF_INET && (inp->inp_vflag & INP_IPV4) == 0)
194 || (af == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0)
196 || (af == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0
198 && (inp->inp_vflag & INP_IPV6) == 0
205 (proto == IPPROTO_TCP && tp->t_state == TCPS_LISTEN) ||
206 (af == AF_INET && inet_lnaof(inp->inp_laddr) == INADDR_ANY)
208 || (af == AF_INET6 && IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
210 || (af == AF_UNSPEC && (((inp->inp_vflag & INP_IPV4) != 0 &&
211 inet_lnaof(inp->inp_laddr) == INADDR_ANY)
213 || ((inp->inp_vflag & INP_IPV6) != 0 &&
214 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
223 printf("Active Internet connections");
225 printf(" (including servers)");
227 printf("Current listen queue sizes "
228 "(qlen/incqlen/maxqlen)");
232 printf("%-8.8s ", "Socket");
234 printf("%8.8s %8.8s %8.8s ", "TxWin", "Unacked", "RTT/ms");
236 printf("%-5.5s %-14.14s %-22.22s\n",
237 "Proto", "Listen", "Local Address");
239 printf((Aflag && !Wflag) ?
240 "%-5.5s %-6.6s %-6.6s %-17.17s %-17.17s %s\n" :
241 "%-5.5s %-6.6s %-6.6s %-21.21s %-21.21s %s\n",
242 "Proto", "Recv-Q", "Send-Q",
243 "Local Address", "Foreign Address",
248 if (Lflag && so->so_qlimit == 0)
252 printf("%8lx ", (u_long)inp->inp_ppcb);
254 printf("%8lx ", (u_long)so->so_pcb);
258 int window = MIN(tp->snd_cwnd, tp->snd_bwnd);
259 if (window == 1073725440)
260 printf("%8s ", "max");
262 printf("%8d ", (int)MIN(tp->snd_cwnd, tp->snd_bwnd));
263 printf("%8d ", (int)(tp->snd_max - tp->snd_una));
267 printf("%8.3f ", (double)tp->t_srtt * 1000.0 / TCP_RTT_SCALE / clockinfo.hz);
269 printf("%8s %8s %8s ", "-", "-", "-");
273 if ((inp->inp_vflag & INP_IPV6) != 0)
274 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? "46" : "6 ";
277 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? "4 " : " ";
279 printf("%-3.3s%-2.2s ", name, vchar);
283 snprintf(buf, sizeof(buf), "%d/%d/%d", so->so_qlen,
284 so->so_incqlen, so->so_qlimit);
285 printf("%-13.13s ", buf);
289 so->so_snd.sb_hiwat);
296 if (inp->inp_vflag & INP_IPV4) {
297 inetprint(&inp->inp_laddr, (int)inp->inp_lport,
300 inetprint(&inp->inp_faddr,
301 (int)inp->inp_fport, name, 1);
304 else if (inp->inp_vflag & INP_IPV6) {
305 inet6print(&inp->in6p_laddr,
306 (int)inp->inp_lport, name, 1);
308 inet6print(&inp->in6p_faddr,
309 (int)inp->inp_fport, name, 1);
310 } /* else nothing printed now */
312 } else if (inp->inp_flags & INP_ANONPORT) {
313 if (inp->inp_vflag & INP_IPV4) {
314 inetprint(&inp->inp_laddr, (int)inp->inp_lport,
317 inetprint(&inp->inp_faddr,
318 (int)inp->inp_fport, name, 0);
321 else if (inp->inp_vflag & INP_IPV6) {
322 inet6print(&inp->in6p_laddr,
323 (int)inp->inp_lport, name, 1);
325 inet6print(&inp->in6p_faddr,
326 (int)inp->inp_fport, name, 0);
327 } /* else nothing printed now */
330 if (inp->inp_vflag & INP_IPV4) {
331 inetprint(&inp->inp_laddr, (int)inp->inp_lport,
334 inetprint(&inp->inp_faddr,
335 (int)inp->inp_fport, name,
340 else if (inp->inp_vflag & INP_IPV6) {
341 inet6print(&inp->in6p_laddr,
342 (int)inp->inp_lport, name, 0);
344 inet6print(&inp->in6p_faddr,
345 (int)inp->inp_fport, name,
348 } /* else nothing printed now */
352 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES)
353 printf("%d", tp->t_state);
355 printf("%s", tcpstates[tp->t_state]);
356 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN)
357 /* Show T/TCP `hidden state' */
358 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN))
360 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */
368 #define CPU_STATS_FUNC(proto,type) \
370 proto ##_stats_agg(type *ary, type *ttl, int cpucnt) \
373 siz = sizeof(type); \
382 for (i = 0; i < cpucnt; ++i) { \
383 for (off = 0; off < siz; off += sizeof(u_long)) { \
384 *(u_long *)((char *)(*(&ttl)) + off) += \
385 *(u_long *)((char *)&ary[i] + off); \
390 CPU_STATS_FUNC(tcp, struct tcp_stats);
391 CPU_STATS_FUNC(ip, struct ip_stats);
394 * Dump TCP statistics structure.
397 tcp_stats(u_long off __unused, const char *name, int af1 __unused)
399 struct tcp_stats tcpstat, *stattmp;
400 struct tcp_stats zerostat[SMP_MAXCPU];
401 size_t len = sizeof(struct tcp_stats) * SMP_MAXCPU;
405 memset(zerostat, 0, len);
407 if ((stattmp = malloc(len)) == NULL) {
410 if (sysctlbyname("net.inet.tcp.stats", stattmp, &len,
411 zflag ? zerostat : NULL, zflag ? len : 0) < 0) {
412 warn("sysctl: net.inet.tcp.stats");
416 if ((stattmp = realloc(stattmp, len)) == NULL) {
422 cpucnt = len / sizeof(struct tcp_stats);
423 tcp_stats_agg(stattmp, &tcpstat, cpucnt);
432 printf ("%s:\n", name);
434 #define p(f, m) if (tcpstat.f || sflag <= 1) \
435 printf(m, tcpstat.f, plural(tcpstat.f))
436 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \
438 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
439 printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2))
440 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
441 printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2)
442 #define p3(f, m) if (tcpstat.f || sflag <= 1) \
443 printf(m, tcpstat.f, plurales(tcpstat.f))
445 p(tcps_sndtotal, "\t%lu packet%s sent\n");
446 p2(tcps_sndpack,tcps_sndbyte,
447 "\t\t%lu data packet%s (%lu byte%s)\n");
448 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte,
449 "\t\t%lu data packet%s (%lu byte%s) retransmitted\n");
450 p2a(tcps_sndfastrexmit, tcps_sndearlyrexmit,
451 "\t\t%lu Fast Retransmit%s (%lu early)\n");
452 p(tcps_sndlimited, "\t\t%lu packet%s sent by Limited Transmit\n");
453 p(tcps_sndrtobad, "\t\t%lu spurious RTO retransmit%s\n");
454 p2a(tcps_sndfastrexmitbad, tcps_sndearlyrexmitbad,
455 "\t\t%lu spurious Fast Retransmit%s (%lu early)\n");
456 p(tcps_eifeldetected, "\t\t%lu Eifel-detected spurious retransmit%s\n");
457 p(tcps_rttdetected, "\t\t%lu RTT-detected spurious retransmit%s\n");
458 p(tcps_mturesent, "\t\t%lu resend%s initiated by MTU discovery\n");
459 p2a(tcps_sndacks, tcps_delack,
460 "\t\t%lu ack-only packet%s (%lu delayed)\n");
461 p(tcps_sndurg, "\t\t%lu URG only packet%s\n");
462 p(tcps_sndprobe, "\t\t%lu window probe packet%s\n");
463 p(tcps_sndwinup, "\t\t%lu window update packet%s\n");
464 p(tcps_sndctrl, "\t\t%lu control packet%s\n");
465 p(tcps_rcvtotal, "\t%lu packet%s received\n");
466 p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%lu ack%s (for %lu byte%s)\n");
467 p(tcps_rcvdupack, "\t\t%lu duplicate ack%s\n");
468 p(tcps_rcvacktoomuch, "\t\t%lu ack%s for unsent data\n");
469 p2(tcps_rcvpack, tcps_rcvbyte,
470 "\t\t%lu packet%s (%lu byte%s) received in-sequence\n");
471 p2(tcps_rcvduppack, tcps_rcvdupbyte,
472 "\t\t%lu completely duplicate packet%s (%lu byte%s)\n");
473 p(tcps_pawsdrop, "\t\t%lu old duplicate packet%s\n");
474 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte,
475 "\t\t%lu packet%s with some dup. data (%lu byte%s duped)\n");
476 p2(tcps_rcvoopack, tcps_rcvoobyte,
477 "\t\t%lu out-of-order packet%s (%lu byte%s)\n");
478 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin,
479 "\t\t%lu packet%s (%lu byte%s) of data after window\n");
480 p(tcps_rcvwinprobe, "\t\t%lu window probe%s\n");
481 p(tcps_rcvwinupd, "\t\t%lu window update packet%s\n");
482 p(tcps_rcvafterclose, "\t\t%lu packet%s received after close\n");
483 p(tcps_rcvbadsum, "\t\t%lu discarded for bad checksum%s\n");
484 p(tcps_rcvbadoff, "\t\t%lu discarded for bad header offset field%s\n");
485 p1a(tcps_rcvshort, "\t\t%lu discarded because packet too short\n");
486 p(tcps_connattempt, "\t%lu connection request%s\n");
487 p(tcps_accepts, "\t%lu connection accept%s\n");
488 p(tcps_badsyn, "\t%lu bad connection attempt%s\n");
489 p(tcps_listendrop, "\t%lu listen queue overflow%s\n");
490 p(tcps_connects, "\t%lu connection%s established (including accepts)\n");
491 p2(tcps_closed, tcps_drops,
492 "\t%lu connection%s closed (including %lu drop%s)\n");
493 p(tcps_cachedrtt, "\t\t%lu connection%s updated cached RTT on close\n");
495 "\t\t%lu connection%s updated cached RTT variance on close\n");
496 p(tcps_cachedssthresh,
497 "\t\t%lu connection%s updated cached ssthresh on close\n");
498 p(tcps_conndrops, "\t%lu embryonic connection%s dropped\n");
499 p2(tcps_rttupdated, tcps_segstimed,
500 "\t%lu segment%s updated rtt (of %lu attempt%s)\n");
501 p(tcps_rexmttimeo, "\t%lu retransmit timeout%s\n");
502 p(tcps_timeoutdrop, "\t\t%lu connection%s dropped by rexmit timeout\n");
503 p(tcps_persisttimeo, "\t%lu persist timeout%s\n");
504 p(tcps_persistdrop, "\t\t%lu connection%s dropped by persist timeout\n");
505 p(tcps_keeptimeo, "\t%lu keepalive timeout%s\n");
506 p(tcps_keepprobe, "\t\t%lu keepalive probe%s sent\n");
507 p(tcps_keepdrops, "\t\t%lu connection%s dropped by keepalive\n");
508 p(tcps_predack, "\t%lu correct ACK header prediction%s\n");
509 p(tcps_preddat, "\t%lu correct data packet header prediction%s\n");
511 p1a(tcps_sc_added, "\t%lu syncache entries added\n");
512 p1a(tcps_sc_retransmitted, "\t\t%lu retransmitted\n");
513 p1a(tcps_sc_dupsyn, "\t\t%lu dupsyn\n");
514 p1a(tcps_sc_dropped, "\t\t%lu dropped\n");
515 p1a(tcps_sc_completed, "\t\t%lu completed\n");
516 p1a(tcps_sc_bucketoverflow, "\t\t%lu bucket overflow\n");
517 p1a(tcps_sc_cacheoverflow, "\t\t%lu cache overflow\n");
518 p1a(tcps_sc_reset, "\t\t%lu reset\n");
519 p1a(tcps_sc_stale, "\t\t%lu stale\n");
520 p1a(tcps_sc_aborted, "\t\t%lu aborted\n");
521 p1a(tcps_sc_badack, "\t\t%lu badack\n");
522 p1a(tcps_sc_unreach, "\t\t%lu unreach\n");
523 p1a(tcps_sc_zonefail, "\t\t%lu zone failures\n");
524 p1a(tcps_sc_sendcookie, "\t%lu cookies sent\n");
525 p1a(tcps_sc_recvcookie, "\t%lu cookies received\n");
535 * Dump UDP statistics structure.
538 udp_stats(u_long off __unused, const char *name, int af1 __unused)
540 struct udpstat udpstat, zerostat;
541 size_t len = sizeof udpstat;
545 memset(&zerostat, 0, len);
546 if (sysctlbyname("net.inet.udp.stats", &udpstat, &len,
547 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
548 warn("sysctl: net.inet.udp.stats");
559 printf("%s:\n", name);
560 #define p(f, m) if (udpstat.f || sflag <= 1) \
561 printf(m, udpstat.f, plural(udpstat.f))
562 #define p1a(f, m) if (udpstat.f || sflag <= 1) \
564 p(udps_ipackets, "\t%lu datagram%s received\n");
565 p1a(udps_hdrops, "\t%lu with incomplete header\n");
566 p1a(udps_badlen, "\t%lu with bad data length field\n");
567 p1a(udps_badsum, "\t%lu with bad checksum\n");
568 p1a(udps_nosum, "\t%lu with no checksum\n");
569 p1a(udps_noport, "\t%lu dropped due to no socket\n");
571 "\t%lu broadcast/multicast datagram%s dropped due to no socket\n");
572 p1a(udps_fullsock, "\t%lu dropped due to full socket buffers\n");
573 p1a(udpps_pcbhashmiss, "\t%lu not for hashed pcb\n");
574 delivered = udpstat.udps_ipackets -
575 udpstat.udps_hdrops -
576 udpstat.udps_badlen -
577 udpstat.udps_badsum -
578 udpstat.udps_noport -
579 udpstat.udps_noportbcast -
580 udpstat.udps_fullsock;
581 if (delivered || sflag <= 1)
582 printf("\t%lu delivered\n", delivered);
583 p(udps_opackets, "\t%lu datagram%s output\n");
589 * Dump CARP statistics structure.
592 carp_stats(u_long off __unused, const char *name, int af1 __unused)
594 struct carpstats carpstat, zerostat;
595 size_t len = sizeof(struct carpstats);
598 memset(&zerostat, 0, len);
599 if (sysctlbyname("net.inet.carp.stats", &carpstat, &len,
600 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
601 warn("sysctl: net.inet.carp.stats");
605 printf("%s:\n", name);
607 #define p(f, m) if (carpstat.f || sflag <= 1) \
608 printf(m, (uintmax_t)carpstat.f, plural((int)carpstat.f))
609 #define p2(f, m) if (carpstat.f || sflag <= 1) \
610 printf(m, (uintmax_t)carpstat.f)
612 p(carps_ipackets, "\t%ju packet%s received (IPv4)\n");
613 p(carps_ipackets6, "\t%ju packet%s received (IPv6)\n");
614 p(carps_badttl, "\t\t%ju packet%s discarded for wrong TTL\n");
615 p(carps_hdrops, "\t\t%ju packet%s shorter than header\n");
616 p(carps_badsum, "\t\t%ju discarded for bad checksum%s\n");
617 p(carps_badver, "\t\t%ju discarded packet%s with a bad version\n");
618 p2(carps_badlen, "\t\t%ju discarded because packet too short\n");
619 p2(carps_badauth, "\t\t%ju discarded for bad authentication\n");
620 p2(carps_badvhid, "\t\t%ju discarded for bad vhid\n");
621 p2(carps_badaddrs, "\t\t%ju discarded because of a bad address list\n");
622 p(carps_opackets, "\t%ju packet%s sent (IPv4)\n");
623 p(carps_opackets6, "\t%ju packet%s sent (IPv6)\n");
624 p2(carps_onomem, "\t\t%ju send failed due to mbuf memory error\n");
626 p(carps_ostates, "\t\t%s state update%s sent\n");
633 * Dump IP statistics structure.
636 ip_stats(u_long off __unused, const char *name, int af1 __unused)
638 struct ip_stats ipstat, *stattmp;
639 struct ip_stats zerostat[SMP_MAXCPU];
640 size_t len = sizeof(struct ip_stats) * SMP_MAXCPU;
644 memset(zerostat, 0, len);
645 if ((stattmp = malloc(len)) == NULL) {
648 if (sysctlbyname("net.inet.ip.stats", stattmp, &len,
649 zflag ? zerostat : NULL, zflag ? len : 0) < 0) {
650 warn("sysctl: net.inet.ip.stats");
654 if ((stattmp = realloc(stattmp, len)) == NULL) {
660 cpucnt = len / sizeof(struct ip_stats);
661 ip_stats_agg(stattmp, &ipstat, cpucnt);
663 printf("%s:\n", name);
665 #define p(f, m) if (ipstat.f || sflag <= 1) \
666 printf(m, ipstat.f, plural(ipstat.f))
667 #define p1a(f, m) if (ipstat.f || sflag <= 1) \
670 p(ips_total, "\t%lu total packet%s received\n");
671 p(ips_badsum, "\t%lu bad header checksum%s\n");
672 p1a(ips_toosmall, "\t%lu with size smaller than minimum\n");
673 p1a(ips_tooshort, "\t%lu with data size < data length\n");
674 p1a(ips_toolong, "\t%lu with ip length > max ip packet size\n");
675 p1a(ips_badhlen, "\t%lu with header length < data size\n");
676 p1a(ips_badlen, "\t%lu with data length < header length\n");
677 p1a(ips_badoptions, "\t%lu with bad options\n");
678 p1a(ips_badvers, "\t%lu with incorrect version number\n");
679 p(ips_fragments, "\t%lu fragment%s received\n");
680 p(ips_fragdropped, "\t%lu fragment%s dropped (dup or out of space)\n");
681 p(ips_fragtimeout, "\t%lu fragment%s dropped after timeout\n");
682 p(ips_reassembled, "\t%lu packet%s reassembled ok\n");
683 p(ips_delivered, "\t%lu packet%s for this host\n");
684 p(ips_noproto, "\t%lu packet%s for unknown/unsupported protocol\n");
685 p(ips_forward, "\t%lu packet%s forwarded");
686 p(ips_fastforward, " (%lu packet%s fast forwarded)");
687 if (ipstat.ips_forward || sflag <= 1)
689 p(ips_cantforward, "\t%lu packet%s not forwardable\n");
691 "\t%lu packet%s received for unknown multicast group\n");
692 p(ips_redirectsent, "\t%lu redirect%s sent\n");
693 p(ips_localout, "\t%lu packet%s sent from this host\n");
694 p(ips_rawout, "\t%lu packet%s sent with fabricated ip header\n");
696 "\t%lu output packet%s dropped due to no bufs, etc.\n");
697 p(ips_noroute, "\t%lu output packet%s discarded due to no route\n");
698 p(ips_fragmented, "\t%lu output datagram%s fragmented\n");
699 p(ips_ofragments, "\t%lu fragment%s created\n");
700 p(ips_cantfrag, "\t%lu datagram%s that can't be fragmented\n");
701 p(ips_nogif, "\t%lu tunneling packet%s that can't find gif\n");
702 p(ips_badaddr, "\t%lu datagram%s with bad address in header\n");
708 static const char *icmpnames[] = {
712 "destination unreachable",
718 "router advertisement",
719 "router solicitation",
724 "information request",
725 "information request reply",
726 "address mask request",
727 "address mask reply",
731 * Dump ICMP statistics.
734 icmp_stats(u_long off __unused, const char *name, int af1 __unused)
736 struct icmpstat icmpstat, zerostat;
738 int mib[4]; /* CTL_NET + PF_INET + IPPROTO_ICMP + req */
743 mib[2] = IPPROTO_ICMP;
744 mib[3] = ICMPCTL_STATS;
746 len = sizeof icmpstat;
748 memset(&zerostat, 0, len);
749 if (sysctl(mib, 4, &icmpstat, &len,
750 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
751 warn("sysctl: net.inet.icmp.stats");
755 printf("%s:\n", name);
757 #define p(f, m) if (icmpstat.f || sflag <= 1) \
758 printf(m, icmpstat.f, plural(icmpstat.f))
759 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \
760 printf(m, icmpstat.f)
761 #define p2(f, m) if (icmpstat.f || sflag <= 1) \
762 printf(m, icmpstat.f, plurales(icmpstat.f))
764 p(icps_error, "\t%lu call%s to icmp_error\n");
766 "\t%lu error%s not generated 'cuz old message was icmp\n");
767 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
768 if (icmpstat.icps_outhist[i] != 0) {
770 printf("\tOutput histogram:\n");
773 printf("\t\t%s: %lu\n", icmpnames[i],
774 icmpstat.icps_outhist[i]);
776 p(icps_badcode, "\t%lu message%s with bad code fields\n");
777 p(icps_tooshort, "\t%lu message%s < minimum length\n");
778 p(icps_checksum, "\t%lu bad checksum%s\n");
779 p(icps_badlen, "\t%lu message%s with bad length\n");
780 p1a(icps_bmcastecho, "\t%lu multicast echo requests ignored\n");
781 p1a(icps_bmcasttstamp, "\t%lu multicast timestamp requests ignored\n");
782 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
783 if (icmpstat.icps_inhist[i] != 0) {
785 printf("\tInput histogram:\n");
788 printf("\t\t%s: %lu\n", icmpnames[i],
789 icmpstat.icps_inhist[i]);
791 p(icps_reflect, "\t%lu message response%s generated\n");
792 p2(icps_badaddr, "\t%lu invalid return address%s\n");
793 p(icps_noroute, "\t%lu no return route%s\n");
797 mib[3] = ICMPCTL_MASKREPL;
799 if (sysctl(mib, 4, &i, &len, NULL, 0) < 0)
801 printf("\tICMP address mask responses are %sabled\n",
806 * Dump IGMP statistics structure.
809 igmp_stats(u_long off __unused, const char *name, int af1 __unused)
811 struct igmpstat igmpstat, zerostat;
812 size_t len = sizeof igmpstat;
815 memset(&zerostat, 0, len);
816 if (sysctlbyname("net.inet.igmp.stats", &igmpstat, &len,
817 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
818 warn("sysctl: net.inet.igmp.stats");
822 printf("%s:\n", name);
824 #define p(f, m) if (igmpstat.f || sflag <= 1) \
825 printf(m, igmpstat.f, plural(igmpstat.f))
826 #define py(f, m) if (igmpstat.f || sflag <= 1) \
827 printf(m, igmpstat.f, igmpstat.f != 1 ? "ies" : "y")
828 p(igps_rcv_total, "\t%u message%s received\n");
829 p(igps_rcv_tooshort, "\t%u message%s received with too few bytes\n");
830 p(igps_rcv_badsum, "\t%u message%s received with bad checksum\n");
831 py(igps_rcv_queries, "\t%u membership quer%s received\n");
832 py(igps_rcv_badqueries, "\t%u membership quer%s received with invalid field(s)\n");
833 p(igps_rcv_reports, "\t%u membership report%s received\n");
834 p(igps_rcv_badreports, "\t%u membership report%s received with invalid field(s)\n");
835 p(igps_rcv_ourreports, "\t%u membership report%s received for groups to which we belong\n");
836 p(igps_snd_reports, "\t%u membership report%s sent\n");
842 * Dump PIM statistics structure.
845 pim_stats(u_long off __unused, const char *name, int af1 __unused)
847 struct pimstat pimstat, zerostat;
848 size_t len = sizeof pimstat;
851 memset(&zerostat, 0, len);
852 if (sysctlbyname("net.inet.pim.stats", &pimstat, &len,
853 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
855 warn("sysctl: net.inet.pim.stats");
859 printf("%s:\n", name);
861 #define p(f, m) if (pimstat.f || sflag <= 1) \
862 printf(m, (uintmax_t)pimstat.f, plural(pimstat.f))
863 #define py(f, m) if (pimstat.f || sflag <= 1) \
864 printf(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y")
865 p(pims_rcv_total_msgs, "\t%ju message%s received\n");
866 p(pims_rcv_total_bytes, "\t%ju byte%s received\n");
867 p(pims_rcv_tooshort, "\t%ju message%s received with too few bytes\n");
868 p(pims_rcv_badsum, "\t%ju message%s received with bad checksum\n");
869 p(pims_rcv_badversion, "\t%ju message%s received with bad version\n");
870 p(pims_rcv_registers_msgs, "\t%ju data register message%s received\n");
871 p(pims_rcv_registers_bytes, "\t%ju data register byte%s received\n");
872 p(pims_rcv_registers_wrongiif, "\t%ju data register message%s received on wrong iif\n");
873 p(pims_rcv_badregisters, "\t%ju bad register%s received\n");
874 p(pims_snd_registers_msgs, "\t%ju data register message%s sent\n");
875 p(pims_snd_registers_bytes, "\t%ju data register byte%s sent\n");
881 * Pretty print an Internet address (net address + port).
884 inetprint(struct in_addr *in, int port, const char *proto, int num_port)
886 struct servent *sp = 0;
891 sprintf(line, "%s.", inetname(in));
893 sprintf(line, "%.*s.", (Aflag && !num_port) ? 12 : 16, inetname(in));
894 cp = strchr(line, '\0');
895 if (!num_port && port)
896 sp = getservbyport((int)port, proto);
898 sprintf(cp, "%.15s ", sp ? sp->s_name : "*");
900 sprintf(cp, "%d ", ntohs((u_short)port));
901 width = (Aflag && !Wflag) ? 17 : 21;
903 printf("%-*s ", width, line);
905 printf("%-*.*s ", width, width, line);
909 * Construct an Internet address representation.
910 * If numeric_addr has been supplied, give
911 * numeric value, otherwise try for symbolic name.
914 inetname(struct in_addr *inp)
917 static char line[MAXHOSTNAMELEN];
922 if (!numeric_addr && inp->s_addr != INADDR_ANY) {
923 int net = inet_netof(*inp);
924 int lna = inet_lnaof(*inp);
926 if (lna == INADDR_ANY) {
927 np = getnetbyaddr(net, AF_INET);
932 hp = gethostbyaddr(inp, sizeof (*inp), AF_INET);
935 trimdomain(cp, strlen(cp));
939 if (inp->s_addr == INADDR_ANY)
942 strncpy(line, cp, sizeof(line) - 1);
943 line[sizeof(line) - 1] = '\0';
945 inp->s_addr = ntohl(inp->s_addr);
946 #define C(x) ((u_int)((x) & 0xff))
947 sprintf(line, "%u.%u.%u.%u", C(inp->s_addr >> 24),
948 C(inp->s_addr >> 16), C(inp->s_addr >> 8), C(inp->s_addr));