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 1.15 2004/08/30 18:06:49 eirikn 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>
45 #include <net/route.h>
46 #include <netinet/in.h>
47 #include <netinet/in_systm.h>
48 #include <netinet/ip.h>
50 #include <netinet/ip6.h>
52 #include <netinet/in_pcb.h>
53 #include <netinet/ip_icmp.h>
54 #include <netinet/icmp_var.h>
55 #include <netinet/igmp_var.h>
56 #include <netinet/ip_var.h>
57 #include <netinet/pim_var.h>
58 #include <netinet/tcp.h>
59 #include <netinet/tcpip.h>
60 #include <netinet/tcp_seq.h>
62 #include <netinet/tcp_fsm.h>
63 #include <netinet/tcp_timer.h>
64 #include <netinet/tcp_var.h>
65 #include <netinet/tcp_debug.h>
66 #include <netinet/udp.h>
67 #include <netinet/udp_var.h>
69 #include <arpa/inet.h>
80 char *inetname (struct in_addr *);
81 void inetprint (struct in_addr *, int, const char *, int);
83 extern void inet6print (struct in6_addr *, int, const char *, int);
84 static int udp_done, tcp_done;
88 * Print a summary of connections related to an Internet
89 * protocol. For TCP, also give state of connection.
90 * Listening processes (aflag) are suppressed unless the
91 * -a (all) flag is specified.
94 static int ppr_first = 1;
95 static void outputpcb(int proto, const char *name, int cpu, struct inpcb *inp, struct xsocket *so, struct tcpcb *tp);
98 protopr(u_long proto, char *name, int af)
104 struct xinpgen *xig, *oxig;
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);
141 if ((buf = malloc(len)) == 0) {
142 warn("malloc %lu bytes", (u_long)len);
145 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
146 warn("sysctl: %s", mibvar);
151 oxig = (struct xinpgen *)buf;
152 while ((char *)(oxig + 1) - (char *)buf < len) {
153 if (oxig->xig_len == 0)
155 xig = (void *)((char *)oxig + oxig->xig_len);
156 for (i = 0; i < oxig->xig_count; ++i) {
158 struct xtcpcb *tcp = (void *)xig;
159 if (xig->xig_len < sizeof(struct xtcpcb))
161 outputpcb(proto, name, oxig->xig_cpu,
162 &tcp->xt_inp, &tcp->xt_socket,
165 struct xinpcb *in = (void *)xig;
166 if (xig->xig_len < sizeof(struct xinpcb))
168 outputpcb(proto, name, oxig->xig_cpu,
169 &in->xi_inp, &in->xi_socket,
172 xig = (void *)((char *)xig + xig->xig_len);
175 * the terminating xig tells if anything has changed.
176 * Just ignore it and skip to the starting xig for the next
179 oxig = (void *)((char *)xig + xig->xig_len);
182 if (xig != oxig && xig->xig_gen != oxig->xig_gen) {
183 if (oxig->xig_count > xig->xig_count) {
184 printf("Some %s sockets may have been deleted.\n",
186 } else if (oxig->xig_count < xig->xig_count) {
187 printf("Some %s sockets may have been created.\n",
190 printf("Some %s sockets may have been created or deleted",
199 outputpcb(int proto, const char *name, int cpu, struct inpcb *inp, struct xsocket *so, struct tcpcb *tp)
203 /* Ignore sockets for protocols other than the desired one. */
204 if (so->xso_protocol != (int)proto)
207 if ((af == AF_INET && (inp->inp_vflag & INP_IPV4) == 0)
209 || (af == AF_INET6 && (inp->inp_vflag & INP_IPV6) == 0)
211 || (af == AF_UNSPEC && ((inp->inp_vflag & INP_IPV4) == 0
213 && (inp->inp_vflag & INP_IPV6) == 0
220 (af == AF_INET && inet_lnaof(inp->inp_laddr) == INADDR_ANY)
222 || (af == AF_INET6 && IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
224 || (af == AF_UNSPEC && (((inp->inp_vflag & INP_IPV4) != 0 &&
225 inet_lnaof(inp->inp_laddr) == INADDR_ANY)
227 || ((inp->inp_vflag & INP_IPV6) != 0 &&
228 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
237 printf("Active Internet connections");
239 printf(" (including servers)");
241 printf("Current listen queue sizes "
242 "(qlen/incqlen/maxqlen)");
246 printf("%-8.8s ", "Socket");
248 printf("%3s %-5.5s %-14.14s %-22.22s\n",
249 "Cpu", "Proto", "Listen", "Local Address");
251 printf((Aflag && !Wflag) ?
252 "%3s %-5.5s %-6.6s %-6.6s %-17.17s %-17.17s %s\n" :
253 "%3s %-5.5s %-6.6s %-6.6s %-21.21s %-21.21s %s\n",
254 "Cpu", "Proto", "Recv-Q", "Send-Q",
255 "Local Address", "Foreign Address",
260 if (Lflag && so->so_qlimit == 0)
264 printf("%8lx ", (u_long)inp->inp_ppcb);
266 printf("%8lx ", (u_long)so->so_pcb);
269 if ((inp->inp_vflag & INP_IPV6) != 0)
270 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? "46" : "6 ";
273 vchar = ((inp->inp_vflag & INP_IPV4) != 0) ? "4 " : " ";
275 printf("%3d %-3.3s%-2.2s ", cpu, name, vchar);
279 snprintf(buf, sizeof(buf), "%d/%d/%d", so->so_qlen,
280 so->so_incqlen, so->so_qlimit);
281 printf("%-13.13s ", buf);
285 so->so_snd.sb_hiwat);
292 if (inp->inp_vflag & INP_IPV4) {
293 inetprint(&inp->inp_laddr, (int)inp->inp_lport,
296 inetprint(&inp->inp_faddr,
297 (int)inp->inp_fport, name, 1);
300 else if (inp->inp_vflag & INP_IPV6) {
301 inet6print(&inp->in6p_laddr,
302 (int)inp->inp_lport, name, 1);
304 inet6print(&inp->in6p_faddr,
305 (int)inp->inp_fport, name, 1);
306 } /* else nothing printed now */
308 } else if (inp->inp_flags & INP_ANONPORT) {
309 if (inp->inp_vflag & INP_IPV4) {
310 inetprint(&inp->inp_laddr, (int)inp->inp_lport,
313 inetprint(&inp->inp_faddr,
314 (int)inp->inp_fport, name, 0);
317 else if (inp->inp_vflag & INP_IPV6) {
318 inet6print(&inp->in6p_laddr,
319 (int)inp->inp_lport, name, 1);
321 inet6print(&inp->in6p_faddr,
322 (int)inp->inp_fport, name, 0);
323 } /* else nothing printed now */
326 if (inp->inp_vflag & INP_IPV4) {
327 inetprint(&inp->inp_laddr, (int)inp->inp_lport,
330 inetprint(&inp->inp_faddr,
331 (int)inp->inp_fport, name,
336 else if (inp->inp_vflag & INP_IPV6) {
337 inet6print(&inp->in6p_laddr,
338 (int)inp->inp_lport, name, 0);
340 inet6print(&inp->in6p_faddr,
341 (int)inp->inp_fport, name,
344 } /* else nothing printed now */
348 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES)
349 printf("%d", tp->t_state);
351 printf("%s", tcpstates[tp->t_state]);
352 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN)
353 /* Show T/TCP `hidden state' */
354 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN))
356 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */
364 #define CPU_STATS_FUNC(proto,type) \
366 proto ##_stats_agg(type *ary, type *ttl, int cpucnt) \
369 siz = sizeof(type); \
378 for (i = 0; i < cpucnt; ++i) { \
379 for (off = 0; off < siz; off += sizeof(u_long)) { \
380 *(u_long *)((char *)(*(&ttl)) + off) += \
381 *(u_long *)((char *)&ary[i] + off); \
386 CPU_STATS_FUNC(tcp, struct tcp_stats);
387 CPU_STATS_FUNC(ip, struct ip_stats);
390 * Dump TCP statistics structure.
393 tcp_stats(u_long off __unused, char *name, int af __unused)
395 struct tcp_stats tcpstat, *stattmp;
396 struct tcp_stats zerostat[SMP_MAXCPU];
397 size_t len = sizeof(struct tcp_stats) * SMP_MAXCPU;
401 memset(zerostat, 0, len);
403 if ((stattmp = malloc(len)) == NULL) {
406 if (sysctlbyname("net.inet.tcp.stats", stattmp, &len,
407 zflag ? zerostat : NULL, zflag ? len : 0) < 0) {
408 warn("sysctl: net.inet.tcp.stats");
412 if ((stattmp = realloc(stattmp, len)) == NULL) {
418 cpucnt = len / sizeof(struct tcp_stats);
419 tcp_stats_agg(stattmp, &tcpstat, cpucnt);
428 printf ("%s:\n", name);
430 #define p(f, m) if (tcpstat.f || sflag <= 1) \
431 printf(m, tcpstat.f, plural(tcpstat.f))
432 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \
434 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
435 printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2))
436 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
437 printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2)
438 #define p3(f, m) if (tcpstat.f || sflag <= 1) \
439 printf(m, tcpstat.f, plurales(tcpstat.f))
441 p(tcps_sndtotal, "\t%lu packet%s sent\n");
442 p2(tcps_sndpack,tcps_sndbyte,
443 "\t\t%lu data packet%s (%lu byte%s)\n");
444 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte,
445 "\t\t%lu data packet%s (%lu byte%s) retransmitted\n");
446 p2a(tcps_sndfastrexmit, tcps_sndearlyrexmit,
447 "\t\t%lu Fast Retransmit%s (%lu early)\n");
448 p(tcps_sndlimited, "\t\t%lu packet%s sent by Limited Transmit\n");
449 p(tcps_sndrtobad, "\t\t%lu spurious RTO retransmit%s\n");
450 p2a(tcps_sndfastrexmitbad, tcps_sndearlyrexmitbad,
451 "\t\t%lu spurious Fast Retransmit%s (%lu early)\n");
452 p(tcps_eifeldetected, "\t\t%lu Eifel-detected spurious retransmit%s\n");
453 p(tcps_rttdetected, "\t\t%lu RTT-detected spurious retransmit%s\n");
454 p(tcps_mturesent, "\t\t%lu resend%s initiated by MTU discovery\n");
455 p2a(tcps_sndacks, tcps_delack,
456 "\t\t%lu ack-only packet%s (%lu delayed)\n");
457 p(tcps_sndurg, "\t\t%lu URG only packet%s\n");
458 p(tcps_sndprobe, "\t\t%lu window probe packet%s\n");
459 p(tcps_sndwinup, "\t\t%lu window update packet%s\n");
460 p(tcps_sndctrl, "\t\t%lu control packet%s\n");
461 p(tcps_rcvtotal, "\t%lu packet%s received\n");
462 p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%lu ack%s (for %lu byte%s)\n");
463 p(tcps_rcvdupack, "\t\t%lu duplicate ack%s\n");
464 p(tcps_rcvacktoomuch, "\t\t%lu ack%s for unsent data\n");
465 p2(tcps_rcvpack, tcps_rcvbyte,
466 "\t\t%lu packet%s (%lu byte%s) received in-sequence\n");
467 p2(tcps_rcvduppack, tcps_rcvdupbyte,
468 "\t\t%lu completely duplicate packet%s (%lu byte%s)\n");
469 p(tcps_pawsdrop, "\t\t%lu old duplicate packet%s\n");
470 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte,
471 "\t\t%lu packet%s with some dup. data (%lu byte%s duped)\n");
472 p2(tcps_rcvoopack, tcps_rcvoobyte,
473 "\t\t%lu out-of-order packet%s (%lu byte%s)\n");
474 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin,
475 "\t\t%lu packet%s (%lu byte%s) of data after window\n");
476 p(tcps_rcvwinprobe, "\t\t%lu window probe%s\n");
477 p(tcps_rcvwinupd, "\t\t%lu window update packet%s\n");
478 p(tcps_rcvafterclose, "\t\t%lu packet%s received after close\n");
479 p(tcps_rcvbadsum, "\t\t%lu discarded for bad checksum%s\n");
480 p(tcps_rcvbadoff, "\t\t%lu discarded for bad header offset field%s\n");
481 p1a(tcps_rcvshort, "\t\t%lu discarded because packet too short\n");
482 p(tcps_connattempt, "\t%lu connection request%s\n");
483 p(tcps_accepts, "\t%lu connection accept%s\n");
484 p(tcps_badsyn, "\t%lu bad connection attempt%s\n");
485 p(tcps_listendrop, "\t%lu listen queue overflow%s\n");
486 p(tcps_connects, "\t%lu connection%s established (including accepts)\n");
487 p2(tcps_closed, tcps_drops,
488 "\t%lu connection%s closed (including %lu drop%s)\n");
489 p(tcps_cachedrtt, "\t\t%lu connection%s updated cached RTT on close\n");
491 "\t\t%lu connection%s updated cached RTT variance on close\n");
492 p(tcps_cachedssthresh,
493 "\t\t%lu connection%s updated cached ssthresh on close\n");
494 p(tcps_conndrops, "\t%lu embryonic connection%s dropped\n");
495 p2(tcps_rttupdated, tcps_segstimed,
496 "\t%lu segment%s updated rtt (of %lu attempt%s)\n");
497 p(tcps_rexmttimeo, "\t%lu retransmit timeout%s\n");
498 p(tcps_timeoutdrop, "\t\t%lu connection%s dropped by rexmit timeout\n");
499 p(tcps_persisttimeo, "\t%lu persist timeout%s\n");
500 p(tcps_persistdrop, "\t\t%lu connection%s dropped by persist timeout\n");
501 p(tcps_keeptimeo, "\t%lu keepalive timeout%s\n");
502 p(tcps_keepprobe, "\t\t%lu keepalive probe%s sent\n");
503 p(tcps_keepdrops, "\t\t%lu connection%s dropped by keepalive\n");
504 p(tcps_predack, "\t%lu correct ACK header prediction%s\n");
505 p(tcps_preddat, "\t%lu correct data packet header prediction%s\n");
507 p(tcps_sc_added, "\t%lu syncache entries added\n");
508 p(tcps_sc_retransmitted, "\t\t%lu retransmitted\n");
509 p(tcps_sc_dupsyn, "\t\t%lu dupsyn\n");
510 p(tcps_sc_dropped, "\t\t%lu dropped\n");
511 p(tcps_sc_completed, "\t\t%lu completed\n");
512 p(tcps_sc_bucketoverflow, "\t\t%lu bucket overflow\n");
513 p(tcps_sc_cacheoverflow, "\t\t%lu cache overflow\n");
514 p(tcps_sc_reset, "\t\t%lu reset\n");
515 p(tcps_sc_stale, "\t\t%lu stale\n");
516 p(tcps_sc_aborted, "\t\t%lu aborted\n");
517 p(tcps_sc_badack, "\t\t%lu badack\n");
518 p(tcps_sc_unreach, "\t\t%lu unreach\n");
519 p(tcps_sc_zonefail, "\t\t%lu zone failures\n");
520 p(tcps_sc_sendcookie, "\t%lu cookies sent\n");
521 p(tcps_sc_recvcookie, "\t%lu cookies received\n");
531 * Dump UDP statistics structure.
534 udp_stats(u_long off __unused, char *name, int af __unused)
536 struct udpstat udpstat, zerostat;
537 size_t len = sizeof udpstat;
541 memset(&zerostat, 0, len);
542 if (sysctlbyname("net.inet.udp.stats", &udpstat, &len,
543 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
544 warn("sysctl: net.inet.udp.stats");
555 printf("%s:\n", name);
556 #define p(f, m) if (udpstat.f || sflag <= 1) \
557 printf(m, udpstat.f, plural(udpstat.f))
558 #define p1a(f, m) if (udpstat.f || sflag <= 1) \
560 p(udps_ipackets, "\t%lu datagram%s received\n");
561 p1a(udps_hdrops, "\t%lu with incomplete header\n");
562 p1a(udps_badlen, "\t%lu with bad data length field\n");
563 p1a(udps_badsum, "\t%lu with bad checksum\n");
564 p1a(udps_nosum, "\t%lu with no checksum\n");
565 p1a(udps_noport, "\t%lu dropped due to no socket\n");
567 "\t%lu broadcast/multicast datagram%s dropped due to no socket\n");
568 p1a(udps_fullsock, "\t%lu dropped due to full socket buffers\n");
569 p1a(udpps_pcbhashmiss, "\t%lu not for hashed pcb\n");
570 delivered = udpstat.udps_ipackets -
571 udpstat.udps_hdrops -
572 udpstat.udps_badlen -
573 udpstat.udps_badsum -
574 udpstat.udps_noport -
575 udpstat.udps_noportbcast -
576 udpstat.udps_fullsock;
577 if (delivered || sflag <= 1)
578 printf("\t%lu delivered\n", delivered);
579 p(udps_opackets, "\t%lu datagram%s output\n");
585 * Dump IP statistics structure.
588 ip_stats(u_long off __unused, char *name, int af __unused)
590 struct ip_stats ipstat, *stattmp;
591 struct ip_stats zerostat[SMP_MAXCPU];
592 size_t len = sizeof(struct ip_stats) * SMP_MAXCPU;
596 memset(zerostat, 0, len);
597 if ((stattmp = malloc(len)) == NULL) {
600 if (sysctlbyname("net.inet.ip.stats", stattmp, &len,
601 zflag ? zerostat : NULL, zflag ? len : 0) < 0) {
602 warn("sysctl: net.inet.ip.stats");
606 if ((stattmp = realloc(stattmp, len)) == NULL) {
612 cpucnt = len / sizeof(struct ip_stats);
613 ip_stats_agg(stattmp, &ipstat, cpucnt);
615 printf("%s:\n", name);
617 #define p(f, m) if (ipstat.f || sflag <= 1) \
618 printf(m, ipstat.f, plural(ipstat.f))
619 #define p1a(f, m) if (ipstat.f || sflag <= 1) \
622 p(ips_total, "\t%lu total packet%s received\n");
623 p(ips_badsum, "\t%lu bad header checksum%s\n");
624 p1a(ips_toosmall, "\t%lu with size smaller than minimum\n");
625 p1a(ips_tooshort, "\t%lu with data size < data length\n");
626 p1a(ips_toolong, "\t%lu with ip length > max ip packet size\n");
627 p1a(ips_badhlen, "\t%lu with header length < data size\n");
628 p1a(ips_badlen, "\t%lu with data length < header length\n");
629 p1a(ips_badoptions, "\t%lu with bad options\n");
630 p1a(ips_badvers, "\t%lu with incorrect version number\n");
631 p(ips_fragments, "\t%lu fragment%s received\n");
632 p(ips_fragdropped, "\t%lu fragment%s dropped (dup or out of space)\n");
633 p(ips_fragtimeout, "\t%lu fragment%s dropped after timeout\n");
634 p(ips_reassembled, "\t%lu packet%s reassembled ok\n");
635 p(ips_delivered, "\t%lu packet%s for this host\n");
636 p(ips_noproto, "\t%lu packet%s for unknown/unsupported protocol\n");
637 p(ips_forward, "\t%lu packet%s forwarded");
638 p(ips_fastforward, " (%lu packet%s fast forwarded)");
639 if (ipstat.ips_forward || sflag <= 1)
641 p(ips_cantforward, "\t%lu packet%s not forwardable\n");
643 "\t%lu packet%s received for unknown multicast group\n");
644 p(ips_redirectsent, "\t%lu redirect%s sent\n");
645 p(ips_localout, "\t%lu packet%s sent from this host\n");
646 p(ips_rawout, "\t%lu packet%s sent with fabricated ip header\n");
648 "\t%lu output packet%s dropped due to no bufs, etc.\n");
649 p(ips_noroute, "\t%lu output packet%s discarded due to no route\n");
650 p(ips_fragmented, "\t%lu output datagram%s fragmented\n");
651 p(ips_ofragments, "\t%lu fragment%s created\n");
652 p(ips_cantfrag, "\t%lu datagram%s that can't be fragmented\n");
653 p(ips_nogif, "\t%lu tunneling packet%s that can't find gif\n");
654 p(ips_badaddr, "\t%lu datagram%s with bad address in header\n");
660 static char *icmpnames[] = {
664 "destination unreachable",
670 "router advertisement",
671 "router solicitation",
676 "information request",
677 "information request reply",
678 "address mask request",
679 "address mask reply",
683 * Dump ICMP statistics.
686 icmp_stats(u_long off __unused, char *name, int af __unused)
688 struct icmpstat icmpstat, zerostat;
690 int mib[4]; /* CTL_NET + PF_INET + IPPROTO_ICMP + req */
695 mib[2] = IPPROTO_ICMP;
696 mib[3] = ICMPCTL_STATS;
698 len = sizeof icmpstat;
700 memset(&zerostat, 0, len);
701 if (sysctl(mib, 4, &icmpstat, &len,
702 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
703 warn("sysctl: net.inet.icmp.stats");
707 printf("%s:\n", name);
709 #define p(f, m) if (icmpstat.f || sflag <= 1) \
710 printf(m, icmpstat.f, plural(icmpstat.f))
711 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \
712 printf(m, icmpstat.f)
713 #define p2(f, m) if (icmpstat.f || sflag <= 1) \
714 printf(m, icmpstat.f, plurales(icmpstat.f))
716 p(icps_error, "\t%lu call%s to icmp_error\n");
718 "\t%lu error%s not generated 'cuz old message was icmp\n");
719 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
720 if (icmpstat.icps_outhist[i] != 0) {
722 printf("\tOutput histogram:\n");
725 printf("\t\t%s: %lu\n", icmpnames[i],
726 icmpstat.icps_outhist[i]);
728 p(icps_badcode, "\t%lu message%s with bad code fields\n");
729 p(icps_tooshort, "\t%lu message%s < minimum length\n");
730 p(icps_checksum, "\t%lu bad checksum%s\n");
731 p(icps_badlen, "\t%lu message%s with bad length\n");
732 p1a(icps_bmcastecho, "\t%lu multicast echo requests ignored\n");
733 p1a(icps_bmcasttstamp, "\t%lu multicast timestamp requests ignored\n");
734 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
735 if (icmpstat.icps_inhist[i] != 0) {
737 printf("\tInput histogram:\n");
740 printf("\t\t%s: %lu\n", icmpnames[i],
741 icmpstat.icps_inhist[i]);
743 p(icps_reflect, "\t%lu message response%s generated\n");
744 p2(icps_badaddr, "\t%lu invalid return address%s\n");
745 p(icps_noroute, "\t%lu no return route%s\n");
749 mib[3] = ICMPCTL_MASKREPL;
751 if (sysctl(mib, 4, &i, &len, (void *)0, 0) < 0)
753 printf("\tICMP address mask responses are %sabled\n",
758 * Dump IGMP statistics structure.
761 igmp_stats(u_long off __unused, char *name, int af __unused)
763 struct igmpstat igmpstat, zerostat;
764 size_t len = sizeof igmpstat;
767 memset(&zerostat, 0, len);
768 if (sysctlbyname("net.inet.igmp.stats", &igmpstat, &len,
769 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
770 warn("sysctl: net.inet.igmp.stats");
774 printf("%s:\n", name);
776 #define p(f, m) if (igmpstat.f || sflag <= 1) \
777 printf(m, igmpstat.f, plural(igmpstat.f))
778 #define py(f, m) if (igmpstat.f || sflag <= 1) \
779 printf(m, igmpstat.f, igmpstat.f != 1 ? "ies" : "y")
780 p(igps_rcv_total, "\t%u message%s received\n");
781 p(igps_rcv_tooshort, "\t%u message%s received with too few bytes\n");
782 p(igps_rcv_badsum, "\t%u message%s received with bad checksum\n");
783 py(igps_rcv_queries, "\t%u membership quer%s received\n");
784 py(igps_rcv_badqueries, "\t%u membership quer%s received with invalid field(s)\n");
785 p(igps_rcv_reports, "\t%u membership report%s received\n");
786 p(igps_rcv_badreports, "\t%u membership report%s received with invalid field(s)\n");
787 p(igps_rcv_ourreports, "\t%u membership report%s received for groups to which we belong\n");
788 p(igps_snd_reports, "\t%u membership report%s sent\n");
794 * Dump PIM statistics structure.
797 pim_stats(u_long off __unused, char *name, int af1 __unused)
799 struct pimstat pimstat, zerostat;
800 size_t len = sizeof pimstat;
803 memset(&zerostat, 0, len);
804 if (sysctlbyname("net.inet.pim.stats", &pimstat, &len,
805 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
807 warn("sysctl: net.inet.pim.stats");
811 printf("%s:\n", name);
813 #define p(f, m) if (pimstat.f || sflag <= 1) \
814 printf(m, pimstat.f, plural(pimstat.f))
815 #define py(f, m) if (pimstat.f || sflag <= 1) \
816 printf(m, pimstat.f, pimstat.f != 1 ? "ies" : "y")
817 p(pims_rcv_total_msgs, "\t%llu message%s received\n");
818 p(pims_rcv_total_bytes, "\t%llu byte%s received\n");
819 p(pims_rcv_tooshort, "\t%llu message%s received with too few bytes\n");
820 p(pims_rcv_badsum, "\t%llu message%s received with bad checksum\n");
821 p(pims_rcv_badversion, "\t%llu message%s received with bad version\n");
822 p(pims_rcv_registers_msgs, "\t%llu data register message%s received\n");
823 p(pims_rcv_registers_bytes, "\t%llu data register byte%s received\n");
824 p(pims_rcv_registers_wrongiif, "\t%llu data register message%s received on wrong iif\n");
825 p(pims_rcv_badregisters, "\t%llu bad register%s received\n");
826 p(pims_snd_registers_msgs, "\t%llu data register message%s sent\n");
827 p(pims_snd_registers_bytes, "\t%llu data register byte%s sent\n");
833 * Pretty print an Internet address (net address + port).
836 inetprint(struct in_addr *in, int port, const char *proto, int numeric_port)
838 struct servent *sp = 0;
843 sprintf(line, "%s.", inetname(in));
845 sprintf(line, "%.*s.", (Aflag && !numeric_port) ? 12 : 16, inetname(in));
846 cp = strchr(line, '\0');
847 if (!numeric_port && port)
848 sp = getservbyport((int)port, proto);
850 sprintf(cp, "%.15s ", sp ? sp->s_name : "*");
852 sprintf(cp, "%d ", ntohs((u_short)port));
853 width = (Aflag && !Wflag) ? 17 : 21;
855 printf("%-*s ", width, line);
857 printf("%-*.*s ", width, width, line);
861 * Construct an Internet address representation.
862 * If numeric_addr has been supplied, give
863 * numeric value, otherwise try for symbolic name.
866 inetname(struct in_addr *inp)
869 static char line[MAXHOSTNAMELEN];
874 if (!numeric_addr && inp->s_addr != INADDR_ANY) {
875 int net = inet_netof(*inp);
876 int lna = inet_lnaof(*inp);
878 if (lna == INADDR_ANY) {
879 np = getnetbyaddr(net, AF_INET);
884 hp = gethostbyaddr((char *)inp, sizeof (*inp), AF_INET);
887 trimdomain(cp, strlen(cp));
891 if (inp->s_addr == INADDR_ANY)
894 strncpy(line, cp, sizeof(line) - 1);
895 line[sizeof(line) - 1] = '\0';
897 inp->s_addr = ntohl(inp->s_addr);
898 #define C(x) ((u_int)((x) & 0xff))
899 sprintf(line, "%u.%u.%u.%u", C(inp->s_addr >> 24),
900 C(inp->s_addr >> 16), C(inp->s_addr >> 8), C(inp->s_addr));