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. 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
29 * @(#)inet.c 8.5 (Berkeley) 5/24/95
30 * $FreeBSD: src/usr.bin/netstat/inet.c,v 1.37.2.11 2003/11/27 14:46:49 ru Exp $
33 #include <sys/param.h>
34 #include <sys/queue.h>
35 #include <sys/socket.h>
36 #include <sys/socketvar.h>
37 #include <sys/sysctl.h>
38 #include <sys/protosw.h>
41 #include <net/route.h>
42 #include <netinet/in.h>
43 #include <netinet/in_systm.h>
44 #include <netinet/ip.h>
45 #include <netinet/ip_carp.h>
47 #include <netinet/ip6.h>
49 #include <netinet/in_pcb.h>
50 #include <netinet/ip_icmp.h>
51 #include <netinet/icmp_var.h>
52 #include <netinet/igmp_var.h>
53 #include <netinet/ip_var.h>
54 #include <netinet/pim_var.h>
55 #include <netinet/tcp.h>
56 #include <netinet/tcpip.h>
57 #include <netinet/tcp_seq.h>
59 #include <netinet/tcp_fsm.h>
60 #include <netinet/tcp_timer.h>
61 #include <netinet/tcp_var.h>
62 #include <netinet/tcp_debug.h>
63 #include <netinet/udp.h>
64 #include <netinet/udp_var.h>
66 #include <arpa/inet.h>
77 char *inetname (struct in_addr *);
78 void inetprint (struct in_addr *, int, const char *, int);
80 extern void inet6print (struct in6_addr *, int, const char *, int);
81 static int udp_done, tcp_done;
85 * Print a summary of connections related to an Internet
86 * protocol. For TCP, also give state of connection.
87 * Listening processes (aflag) are suppressed unless the
88 * -a (all) flag is specified.
91 static int ppr_first = 1;
92 static void outputpcb(int proto, const char *name, struct inpcb *inp, struct xsocket *so, struct tcpcb *tp);
95 protopr(u_long proto, const char *name, int af1 __unused)
112 mibvar = "net.inet.tcp.pcblist";
121 mibvar = "net.inet.udp.pcblist";
124 mibvar = "net.inet.divert.pcblist";
127 mibvar = "net.inet.raw.pcblist";
131 if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
133 warn("sysctl: %s", mibvar);
138 if ((buf = malloc(len)) == NULL) {
139 warn("malloc %lu bytes", (u_long)len);
142 if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
143 warn("sysctl: %s", mibvar);
149 struct xtcpcb *tcp = buf;
151 for (i = 0; i < len; i++) {
152 if (tcp[i].xt_len != sizeof(*tcp))
154 outputpcb(proto, name, &tcp[i].xt_inp,
155 &tcp[i].xt_socket, &tcp[i].xt_tp);
158 struct xinpcb *in = buf;
160 for (i = 0; i < len; i++) {
161 if (in[i].xi_len != sizeof(*in))
163 outputpcb(proto, name, &in[i].xi_inp,
164 &in[i].xi_socket, NULL);
171 outputpcb(int proto, const char *name, struct inpcb *inp, struct xsocket *so, struct tcpcb *tp)
174 static struct clockinfo clockinfo;
176 if (clockinfo.hz == 0) {
177 size_t size = sizeof(clockinfo);
178 sysctlbyname("kern.clockrate", &clockinfo, &size, NULL, 0);
179 if (clockinfo.hz == 0)
183 /* Ignore sockets for protocols other than the desired one. */
184 if (so->xso_protocol != (int)proto)
187 if ((af == AF_INET && !INP_ISIPV4(inp))
189 || (af == AF_INET6 && !INP_ISIPV6(inp))
191 || (af == AF_UNSPEC && (!INP_ISIPV4(inp)
200 (proto == IPPROTO_TCP && tp->t_state == TCPS_LISTEN) ||
201 (af == AF_INET && inet_lnaof(inp->inp_laddr) == INADDR_ANY)
203 || (af == AF_INET6 && IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
205 || (af == AF_UNSPEC && ((INP_ISIPV4(inp) &&
206 inet_lnaof(inp->inp_laddr) == INADDR_ANY)
208 || (INP_ISIPV6(inp) &&
209 IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
218 printf("Active Internet connections");
220 printf(" (including servers)");
222 printf("Current listen queue sizes "
223 "(qlen/incqlen/maxqlen)");
227 printf("%-8.8s ", "Socket");
229 printf("%8.8s %8.8s %8.8s ", "TxWin", "Unacked", "RTT/ms");
231 printf("%-5.5s %-14.14s %-22.22s\n",
232 "Proto", "Listen", "Local Address");
234 printf((Aflag && !Wflag) ?
235 "%-5.5s %-6.6s %-6.6s %-17.17s %-17.17s %s\n" :
236 "%-5.5s %-6.6s %-6.6s %-21.21s %-21.21s %s\n",
237 "Proto", "Recv-Q", "Send-Q",
238 "Local Address", "Foreign Address",
243 if (Lflag && so->so_qlimit == 0)
247 printf("%8lx ", (u_long)inp->inp_ppcb);
249 printf("%8lx ", (u_long)so->so_pcb);
253 int window = MIN(tp->snd_cwnd, tp->snd_bwnd);
254 if (window == 1073725440)
255 printf("%8s ", "max");
257 printf("%8d ", (int)MIN(tp->snd_cwnd, tp->snd_bwnd));
258 printf("%8d ", (int)(tp->snd_max - tp->snd_una));
262 printf("%8.3f ", (double)tp->t_srtt * 1000.0 / TCP_RTT_SCALE / clockinfo.hz);
264 printf("%8s %8s %8s ", "-", "-", "-");
272 vchar = INP_ISIPV4(inp) ? "4 " : " ";
274 printf("%-3.3s%-2.2s ", name, vchar);
278 snprintf(buf, sizeof(buf), "%d/%d/%d", so->so_qlen,
279 so->so_incqlen, so->so_qlimit);
280 printf("%-13.13s ", buf);
284 so->so_snd.sb_hiwat);
291 if (INP_ISIPV4(inp)) {
292 inetprint(&inp->inp_laddr, (int)inp->inp_lport,
295 inetprint(&inp->inp_faddr,
296 (int)inp->inp_fport, name, 1);
299 else if (INP_ISIPV6(inp)) {
300 inet6print(&inp->in6p_laddr,
301 (int)inp->inp_lport, name, 1);
303 inet6print(&inp->in6p_faddr,
304 (int)inp->inp_fport, name, 1);
305 } /* else nothing printed now */
307 } else if (inp->inp_flags & INP_ANONPORT) {
308 if (INP_ISIPV4(inp)) {
309 inetprint(&inp->inp_laddr, (int)inp->inp_lport,
312 inetprint(&inp->inp_faddr,
313 (int)inp->inp_fport, name, 0);
316 else if (INP_ISIPV6(inp)) {
317 inet6print(&inp->in6p_laddr,
318 (int)inp->inp_lport, name, 1);
320 inet6print(&inp->in6p_faddr,
321 (int)inp->inp_fport, name, 0);
322 } /* else nothing printed now */
325 if (INP_ISIPV4(inp)) {
326 inetprint(&inp->inp_laddr, (int)inp->inp_lport,
329 inetprint(&inp->inp_faddr,
330 (int)inp->inp_fport, name,
335 else if (INP_ISIPV6(inp)) {
336 inet6print(&inp->in6p_laddr,
337 (int)inp->inp_lport, name, 0);
339 inet6print(&inp->in6p_faddr,
340 (int)inp->inp_fport, name,
343 } /* else nothing printed now */
347 if (tp->t_state < 0 || tp->t_state >= TCP_NSTATES)
348 printf("%d", tp->t_state);
350 printf("%s", tcpstates[tp->t_state]);
351 #if defined(TF_NEEDSYN) && defined(TF_NEEDFIN)
352 /* Show T/TCP `hidden state' */
353 if (tp->t_flags & (TF_NEEDSYN|TF_NEEDFIN))
355 #endif /* defined(TF_NEEDSYN) && defined(TF_NEEDFIN) */
363 #define CPU_STATS_FUNC(proto,type) \
365 proto ##_stats_agg(type *ary, type *ttl, int cpucnt) \
368 siz = sizeof(type); \
377 for (i = 0; i < cpucnt; ++i) { \
378 for (off = 0; off < siz; off += sizeof(u_long)) { \
379 *(u_long *)((char *)(*(&ttl)) + off) += \
380 *(u_long *)((char *)&ary[i] + off); \
385 CPU_STATS_FUNC(tcp, struct tcp_stats);
386 CPU_STATS_FUNC(ip, struct ip_stats);
387 CPU_STATS_FUNC(udp, struct udpstat);
390 * Dump TCP statistics structure.
393 tcp_stats(u_long off __unused, const char *name, int af1 __unused)
395 u_long state_count[TCP_NSTATES];
396 struct tcp_stats tcpstat, *stattmp;
397 struct tcp_stats zerostat[SMP_MAXCPU];
398 size_t len = sizeof(struct tcp_stats) * SMP_MAXCPU;
402 memset(zerostat, 0, len);
404 if ((stattmp = malloc(len)) == NULL) {
407 if (sysctlbyname("net.inet.tcp.stats", stattmp, &len,
408 zflag ? zerostat : NULL, zflag ? len : 0) < 0) {
409 warn("sysctl: net.inet.tcp.stats");
413 if ((stattmp = realloc(stattmp, len)) == NULL) {
419 cpucnt = len / sizeof(struct tcp_stats);
420 tcp_stats_agg(stattmp, &tcpstat, cpucnt);
429 printf ("%s:\n", name);
431 #define p(f, m) if (tcpstat.f || sflag <= 1) \
432 printf(m, tcpstat.f, plural(tcpstat.f))
433 #define p1a(f, m) if (tcpstat.f || sflag <= 1) \
435 #define p2(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
436 printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2, plural(tcpstat.f2))
437 #define p2a(f1, f2, m) if (tcpstat.f1 || tcpstat.f2 || sflag <= 1) \
438 printf(m, tcpstat.f1, plural(tcpstat.f1), tcpstat.f2)
439 #define p3(f, m) if (tcpstat.f || sflag <= 1) \
440 printf(m, tcpstat.f, plurales(tcpstat.f))
442 p(tcps_sndtotal, "\t%lu packet%s sent\n");
443 p2(tcps_sndpack,tcps_sndbyte,
444 "\t\t%lu data packet%s (%lu byte%s)\n");
445 p2(tcps_sndrexmitpack, tcps_sndrexmitbyte,
446 "\t\t%lu data packet%s (%lu byte%s) retransmitted\n");
447 p2(tcps_sndsackrtopack, tcps_sndsackrtobyte,
448 "\t\t%lu data packet%s (%lu byte%s) retransmitted by SACK\n");
449 p2(tcps_sndsackpack, tcps_sndsackbyte,
450 "\t\t%lu data packet%s (%lu byte%s) sent by SACK recovery\n");
451 p2(tcps_sackrescue, tcps_sackrescue_try,
452 "\t\t%lu SACK rescue packet%s sent (of %lu attempt%s)\n");
453 p2a(tcps_sndfastrexmit, tcps_sndearlyrexmit,
454 "\t\t%lu Fast Retransmit%s (%lu early)\n");
455 p(tcps_sndlimited, "\t\t%lu packet%s sent by Limited Transmit\n");
456 p2(tcps_sndrtobad, tcps_eifelresponse,
457 "\t\t%lu spurious RTO retransmit%s (%lu Eifel-response%s)\n");
458 p2a(tcps_sndfastrexmitbad, tcps_sndearlyrexmitbad,
459 "\t\t%lu spurious Fast Retransmit%s (%lu early)\n");
460 p2a(tcps_eifeldetected, tcps_rttcantdetect,
461 "\t\t%lu Eifel-detected spurious retransmit%s (%lu non-RTT)\n");
462 p(tcps_rttdetected, "\t\t%lu RTT-detected spurious retransmit%s\n");
463 p(tcps_mturesent, "\t\t%lu resend%s initiated by MTU discovery\n");
464 p(tcps_sndsackopt, "\t\t%lu SACK option%s sent\n");
465 p(tcps_snddsackopt, "\t\t%lu D-SACK option%s sent\n");
466 p2a(tcps_sndacks, tcps_delack,
467 "\t\t%lu ack-only packet%s (%lu delayed)\n");
468 p(tcps_sndurg, "\t\t%lu URG only packet%s\n");
469 p(tcps_sndprobe, "\t\t%lu window probe packet%s\n");
470 p(tcps_sndwinup, "\t\t%lu window update packet%s\n");
471 p(tcps_sndctrl, "\t\t%lu control packet%s\n");
472 p(tcps_rcvtotal, "\t%lu packet%s received\n");
473 p2(tcps_rcvackpack, tcps_rcvackbyte, "\t\t%lu ack%s (for %lu byte%s)\n");
474 p(tcps_rcvdupack, "\t\t%lu duplicate ack%s\n");
475 p(tcps_rcvacktoomuch, "\t\t%lu ack%s for unsent data\n");
476 p2(tcps_rcvpack, tcps_rcvbyte,
477 "\t\t%lu packet%s (%lu byte%s) received in-sequence\n");
478 p2(tcps_rcvduppack, tcps_rcvdupbyte,
479 "\t\t%lu completely duplicate packet%s (%lu byte%s)\n");
480 p2(tcps_pawsdrop, tcps_pawsaccept,
481 "\t\t%lu old duplicate packet%s (%lu packet%s accepted)\n");
482 p2(tcps_rcvpartduppack, tcps_rcvpartdupbyte,
483 "\t\t%lu packet%s with some dup. data (%lu byte%s duped)\n");
484 p2(tcps_rcvoopack, tcps_rcvoobyte,
485 "\t\t%lu out-of-order packet%s (%lu byte%s)\n");
486 p2(tcps_rcvpackafterwin, tcps_rcvbyteafterwin,
487 "\t\t%lu packet%s (%lu byte%s) of data after window\n");
488 p(tcps_rcvwinprobe, "\t\t%lu window probe%s\n");
489 p(tcps_rcvwinupd, "\t\t%lu window update packet%s\n");
490 p(tcps_rcvafterclose, "\t\t%lu packet%s received after close\n");
491 p(tcps_rcvbadsum, "\t\t%lu discarded for bad checksum%s\n");
492 p(tcps_rcvbadoff, "\t\t%lu discarded for bad header offset field%s\n");
493 p1a(tcps_rcvshort, "\t\t%lu discarded because packet too short\n");
494 p(tcps_rcvbadsackopt, "\t\t%lu bad SACK option%s\n");
495 p1a(tcps_sackrenege, "\t\t%lu other side reneged\n");
496 p(tcps_connattempt, "\t%lu connection request%s\n");
497 p(tcps_accepts, "\t%lu connection accept%s\n");
498 p(tcps_badsyn, "\t%lu bad connection attempt%s\n");
499 p(tcps_listendrop, "\t%lu listen queue overflow%s\n");
500 p(tcps_connects, "\t%lu connection%s established (including accepts)\n");
501 p2(tcps_closed, tcps_drops,
502 "\t%lu connection%s closed (including %lu drop%s)\n");
503 p(tcps_cachedrtt, "\t\t%lu connection%s updated cached RTT on close\n");
505 "\t\t%lu connection%s updated cached RTT variance on close\n");
506 p(tcps_cachedssthresh,
507 "\t\t%lu connection%s updated cached ssthresh on close\n");
508 p(tcps_conndrops, "\t%lu embryonic connection%s dropped\n");
509 p2(tcps_rttupdated, tcps_segstimed,
510 "\t%lu segment%s updated rtt (of %lu attempt%s)\n");
511 p(tcps_rexmttimeo, "\t%lu retransmit timeout%s\n");
512 p(tcps_timeoutdrop, "\t\t%lu connection%s dropped by rexmit timeout\n");
513 p(tcps_persisttimeo, "\t%lu persist timeout%s\n");
514 p(tcps_persistdrop, "\t\t%lu connection%s dropped by persist timeout\n");
515 p(tcps_keeptimeo, "\t%lu keepalive timeout%s\n");
516 p(tcps_keepprobe, "\t\t%lu keepalive probe%s sent\n");
517 p(tcps_keepdrops, "\t\t%lu connection%s dropped by keepalive\n");
518 p(tcps_predack, "\t%lu correct ACK header prediction%s\n");
519 p(tcps_preddat, "\t%lu correct data packet header prediction%s\n");
520 p(tcps_sndidle, "\t%lu send idle%s\n");
522 p1a(tcps_sc_added, "\t%lu syncache entries added\n");
523 p1a(tcps_sc_retransmitted, "\t\t%lu retransmitted\n");
524 p1a(tcps_sc_dupsyn, "\t\t%lu dupsyn\n");
525 p1a(tcps_sc_dropped, "\t\t%lu dropped\n");
526 p1a(tcps_sc_completed, "\t\t%lu completed\n");
527 p1a(tcps_sc_bucketoverflow, "\t\t%lu bucket overflow\n");
528 p1a(tcps_sc_cacheoverflow, "\t\t%lu cache overflow\n");
529 p1a(tcps_sc_reset, "\t\t%lu reset\n");
530 p1a(tcps_sc_stale, "\t\t%lu stale\n");
531 p1a(tcps_sc_aborted, "\t\t%lu aborted\n");
532 p1a(tcps_sc_badack, "\t\t%lu badack\n");
533 p1a(tcps_sc_unreach, "\t\t%lu unreach\n");
534 p1a(tcps_sc_zonefail, "\t\t%lu zone failures\n");
535 p1a(tcps_sc_sendcookie, "\t\t%lu cookies sent\n");
536 p1a(tcps_sc_recvcookie, "\t\t%lu cookies received\n");
538 p(tcps_sacksbupdate, "\t%lu SACK scoreboard update%s\n");
539 p(tcps_sacksboverflow, "\t\t%lu overflow%s\n");
540 p(tcps_sacksbfailed, "\t\t%lu failure%s\n");
541 p(tcps_sacksbreused, "\t\t%lu record%s reused\n");
542 p(tcps_sacksbfast, "\t\t%lu record%s fast allocated\n");
551 len = sizeof(state_count);
552 if (sysctlbyname("net.inet.tcp.state_count", state_count, &len, NULL, 0) == 0) {
555 for (s = TCPS_TERMINATING + 1; s < TCP_NSTATES; ++s) {
556 printf("\t%lu connection%s in %s state\n", state_count[s],
557 state_count[s] == 1 ? "" : "s", tcpstates[s]);
563 * Dump UDP statistics structure.
566 udp_stats(u_long off __unused, const char *name, int af1 __unused)
568 struct udpstat udpstat, *stattmp;
569 struct udpstat zerostat[SMP_MAXCPU];
570 size_t len = sizeof(struct udpstat) * SMP_MAXCPU;
575 memset(&zerostat, 0, len);
577 if ((stattmp = malloc(len)) == NULL) {
580 if (sysctlbyname("net.inet.udp.stats", stattmp, &len,
581 zflag ? zerostat : NULL, zflag ? len : 0) < 0) {
582 warn("sysctl: net.inet.udp.stats");
586 if ((stattmp = realloc(stattmp, len)) == NULL) {
592 cpucnt = len / sizeof(struct udpstat);
593 udp_stats_agg(stattmp, &udpstat, cpucnt);
602 printf("%s:\n", name);
603 #define p(f, m) if (udpstat.f || sflag <= 1) \
604 printf(m, udpstat.f, plural(udpstat.f))
605 #define p1a(f, m) if (udpstat.f || sflag <= 1) \
607 p(udps_ipackets, "\t%lu datagram%s received\n");
608 p1a(udps_hdrops, "\t%lu with incomplete header\n");
609 p1a(udps_badlen, "\t%lu with bad data length field\n");
610 p1a(udps_badsum, "\t%lu with bad checksum\n");
611 p1a(udps_nosum, "\t%lu with no checksum\n");
612 p1a(udps_noport, "\t%lu dropped due to no socket\n");
614 "\t%lu broadcast/multicast datagram%s dropped due to no socket\n");
615 p1a(udps_fullsock, "\t%lu dropped due to full socket buffers\n");
616 p1a(udpps_pcbhashmiss, "\t%lu not for hashed pcb\n");
617 delivered = udpstat.udps_ipackets -
618 udpstat.udps_hdrops -
619 udpstat.udps_badlen -
620 udpstat.udps_badsum -
621 udpstat.udps_noport -
622 udpstat.udps_noportbcast -
623 udpstat.udps_fullsock;
624 if (delivered || sflag <= 1)
625 printf("\t%lu delivered\n", delivered);
626 p(udps_opackets, "\t%lu datagram%s output\n");
632 * Dump CARP statistics structure.
635 carp_stats(u_long off __unused, const char *name, int af1 __unused)
637 struct carpstats carpstat, zerostat;
638 size_t len = sizeof(struct carpstats);
641 memset(&zerostat, 0, len);
642 if (sysctlbyname("net.inet.carp.stats", &carpstat, &len,
643 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
644 warn("sysctl: net.inet.carp.stats");
648 printf("%s:\n", name);
650 #define p(f, m) if (carpstat.f || sflag <= 1) \
651 printf(m, (uintmax_t)carpstat.f, plural((int)carpstat.f))
652 #define p2(f, m) if (carpstat.f || sflag <= 1) \
653 printf(m, (uintmax_t)carpstat.f)
655 p(carps_ipackets, "\t%ju packet%s received (IPv4)\n");
656 p(carps_ipackets6, "\t%ju packet%s received (IPv6)\n");
657 p(carps_badttl, "\t\t%ju packet%s discarded for wrong TTL\n");
658 p(carps_hdrops, "\t\t%ju packet%s shorter than header\n");
659 p(carps_badsum, "\t\t%ju discarded for bad checksum%s\n");
660 p(carps_badver, "\t\t%ju discarded packet%s with a bad version\n");
661 p2(carps_badlen, "\t\t%ju discarded because packet too short\n");
662 p2(carps_badauth, "\t\t%ju discarded for bad authentication\n");
663 p2(carps_badvhid, "\t\t%ju discarded for bad vhid\n");
664 p2(carps_badaddrs, "\t\t%ju discarded because of a bad address list\n");
665 p(carps_opackets, "\t%ju packet%s sent (IPv4)\n");
666 p(carps_opackets6, "\t%ju packet%s sent (IPv6)\n");
667 p2(carps_onomem, "\t\t%ju send failed due to mbuf memory error\n");
669 p(carps_ostates, "\t\t%s state update%s sent\n");
676 * Dump IP statistics structure.
679 ip_stats(u_long off __unused, const char *name, int af1 __unused)
681 struct ip_stats ipstat, *stattmp;
682 struct ip_stats zerostat[SMP_MAXCPU];
683 size_t len = sizeof(struct ip_stats) * SMP_MAXCPU;
687 memset(zerostat, 0, len);
688 if ((stattmp = malloc(len)) == NULL) {
691 if (sysctlbyname("net.inet.ip.stats", stattmp, &len,
692 zflag ? zerostat : NULL, zflag ? len : 0) < 0) {
693 warn("sysctl: net.inet.ip.stats");
697 if ((stattmp = realloc(stattmp, len)) == NULL) {
703 cpucnt = len / sizeof(struct ip_stats);
704 ip_stats_agg(stattmp, &ipstat, cpucnt);
706 printf("%s:\n", name);
708 #define p(f, m) if (ipstat.f || sflag <= 1) \
709 printf(m, ipstat.f, plural(ipstat.f))
710 #define p1a(f, m) if (ipstat.f || sflag <= 1) \
713 p(ips_total, "\t%lu total packet%s received\n");
714 p(ips_badsum, "\t%lu bad header checksum%s\n");
715 p1a(ips_toosmall, "\t%lu with size smaller than minimum\n");
716 p1a(ips_tooshort, "\t%lu with data size < data length\n");
717 p1a(ips_toolong, "\t%lu with ip length > max ip packet size\n");
718 p1a(ips_badhlen, "\t%lu with header length < data size\n");
719 p1a(ips_badlen, "\t%lu with data length < header length\n");
720 p1a(ips_badoptions, "\t%lu with bad options\n");
721 p1a(ips_badvers, "\t%lu with incorrect version number\n");
722 p(ips_fragments, "\t%lu fragment%s received\n");
723 p(ips_fragdropped, "\t%lu fragment%s dropped (dup or out of space)\n");
724 p(ips_fragtimeout, "\t%lu fragment%s dropped after timeout\n");
725 p(ips_reassembled, "\t%lu packet%s reassembled ok\n");
726 p(ips_delivered, "\t%lu packet%s for this host\n");
727 p(ips_noproto, "\t%lu packet%s for unknown/unsupported protocol\n");
728 p(ips_forward, "\t%lu packet%s forwarded");
729 p(ips_fastforward, " (%lu packet%s fast forwarded)");
730 if (ipstat.ips_forward || sflag <= 1)
732 p(ips_cantforward, "\t%lu packet%s not forwardable\n");
734 "\t%lu packet%s received for unknown multicast group\n");
735 p(ips_redirectsent, "\t%lu redirect%s sent\n");
736 p(ips_localout, "\t%lu packet%s sent from this host\n");
737 p(ips_rawout, "\t%lu packet%s sent with fabricated ip header\n");
739 "\t%lu output packet%s dropped due to no bufs, etc.\n");
740 p(ips_noroute, "\t%lu output packet%s discarded due to no route\n");
741 p(ips_fragmented, "\t%lu output datagram%s fragmented\n");
742 p(ips_ofragments, "\t%lu fragment%s created\n");
743 p(ips_cantfrag, "\t%lu datagram%s that can't be fragmented\n");
744 p(ips_nogif, "\t%lu tunneling packet%s that can't find gif\n");
745 p(ips_badaddr, "\t%lu datagram%s with bad address in header\n");
751 static const char *icmpnames[] = {
755 "destination unreachable",
761 "router advertisement",
762 "router solicitation",
767 "information request",
768 "information request reply",
769 "address mask request",
770 "address mask reply",
774 * Dump ICMP statistics.
777 icmp_stats(u_long off __unused, const char *name, int af1 __unused)
779 struct icmpstat icmpstat, zerostat;
781 int mib[4]; /* CTL_NET + PF_INET + IPPROTO_ICMP + req */
786 mib[2] = IPPROTO_ICMP;
787 mib[3] = ICMPCTL_STATS;
789 len = sizeof icmpstat;
791 memset(&zerostat, 0, len);
792 if (sysctl(mib, 4, &icmpstat, &len,
793 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
794 warn("sysctl: net.inet.icmp.stats");
798 printf("%s:\n", name);
800 #define p(f, m) if (icmpstat.f || sflag <= 1) \
801 printf(m, icmpstat.f, plural(icmpstat.f))
802 #define p1a(f, m) if (icmpstat.f || sflag <= 1) \
803 printf(m, icmpstat.f)
804 #define p2(f, m) if (icmpstat.f || sflag <= 1) \
805 printf(m, icmpstat.f, plurales(icmpstat.f))
807 p(icps_error, "\t%lu call%s to icmp_error\n");
809 "\t%lu error%s not generated 'cuz old message was icmp\n");
810 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
811 if (icmpstat.icps_outhist[i] != 0) {
813 printf("\tOutput histogram:\n");
816 printf("\t\t%s: %lu\n", icmpnames[i],
817 icmpstat.icps_outhist[i]);
819 p(icps_badcode, "\t%lu message%s with bad code fields\n");
820 p(icps_tooshort, "\t%lu message%s < minimum length\n");
821 p(icps_checksum, "\t%lu bad checksum%s\n");
822 p(icps_badlen, "\t%lu message%s with bad length\n");
823 p1a(icps_bmcastecho, "\t%lu multicast echo requests ignored\n");
824 p1a(icps_bmcasttstamp, "\t%lu multicast timestamp requests ignored\n");
825 for (first = 1, i = 0; i < ICMP_MAXTYPE + 1; i++)
826 if (icmpstat.icps_inhist[i] != 0) {
828 printf("\tInput histogram:\n");
831 printf("\t\t%s: %lu\n", icmpnames[i],
832 icmpstat.icps_inhist[i]);
834 p(icps_reflect, "\t%lu message response%s generated\n");
835 p2(icps_badaddr, "\t%lu invalid return address%s\n");
836 p(icps_noroute, "\t%lu no return route%s\n");
840 mib[3] = ICMPCTL_MASKREPL;
842 if (sysctl(mib, 4, &i, &len, NULL, 0) < 0)
844 printf("\tICMP address mask responses are %sabled\n",
849 * Dump IGMP statistics structure.
852 igmp_stats(u_long off __unused, const char *name, int af1 __unused)
854 struct igmpstat igmpstat, zerostat;
855 size_t len = sizeof igmpstat;
858 memset(&zerostat, 0, len);
859 if (sysctlbyname("net.inet.igmp.stats", &igmpstat, &len,
860 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
861 warn("sysctl: net.inet.igmp.stats");
865 printf("%s:\n", name);
867 #define p(f, m) if (igmpstat.f || sflag <= 1) \
868 printf(m, igmpstat.f, plural(igmpstat.f))
869 #define py(f, m) if (igmpstat.f || sflag <= 1) \
870 printf(m, igmpstat.f, igmpstat.f != 1 ? "ies" : "y")
871 p(igps_rcv_total, "\t%u message%s received\n");
872 p(igps_rcv_tooshort, "\t%u message%s received with too few bytes\n");
873 p(igps_rcv_badsum, "\t%u message%s received with bad checksum\n");
874 py(igps_rcv_queries, "\t%u membership quer%s received\n");
875 py(igps_rcv_badqueries, "\t%u membership quer%s received with invalid field(s)\n");
876 p(igps_rcv_reports, "\t%u membership report%s received\n");
877 p(igps_rcv_badreports, "\t%u membership report%s received with invalid field(s)\n");
878 p(igps_rcv_ourreports, "\t%u membership report%s received for groups to which we belong\n");
879 p(igps_snd_reports, "\t%u membership report%s sent\n");
885 * Dump PIM statistics structure.
888 pim_stats(u_long off __unused, const char *name, int af1 __unused)
890 struct pimstat pimstat, zerostat;
891 size_t len = sizeof pimstat;
894 memset(&zerostat, 0, len);
895 if (sysctlbyname("net.inet.pim.stats", &pimstat, &len,
896 zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
898 warn("sysctl: net.inet.pim.stats");
902 printf("%s:\n", name);
904 #define p(f, m) if (pimstat.f || sflag <= 1) \
905 printf(m, (uintmax_t)pimstat.f, plural(pimstat.f))
906 #define py(f, m) if (pimstat.f || sflag <= 1) \
907 printf(m, (uintmax_t)pimstat.f, pimstat.f != 1 ? "ies" : "y")
908 p(pims_rcv_total_msgs, "\t%ju message%s received\n");
909 p(pims_rcv_total_bytes, "\t%ju byte%s received\n");
910 p(pims_rcv_tooshort, "\t%ju message%s received with too few bytes\n");
911 p(pims_rcv_badsum, "\t%ju message%s received with bad checksum\n");
912 p(pims_rcv_badversion, "\t%ju message%s received with bad version\n");
913 p(pims_rcv_registers_msgs, "\t%ju data register message%s received\n");
914 p(pims_rcv_registers_bytes, "\t%ju data register byte%s received\n");
915 p(pims_rcv_registers_wrongiif, "\t%ju data register message%s received on wrong iif\n");
916 p(pims_rcv_badregisters, "\t%ju bad register%s received\n");
917 p(pims_snd_registers_msgs, "\t%ju data register message%s sent\n");
918 p(pims_snd_registers_bytes, "\t%ju data register byte%s sent\n");
924 * Pretty print an Internet address (net address + port).
927 inetprint(struct in_addr *in, int port, const char *proto, int num_port)
929 struct servent *sp = NULL;
934 sprintf(line, "%s.", inetname(in));
936 sprintf(line, "%.*s.", (Aflag && !num_port) ? 12 : 16, inetname(in));
937 cp = strchr(line, '\0');
938 if (!num_port && port)
939 sp = getservbyport((int)port, proto);
941 sprintf(cp, "%.15s ", sp ? sp->s_name : "*");
943 sprintf(cp, "%d ", ntohs((u_short)port));
944 width = (Aflag && !Wflag) ? 17 : 21;
946 printf("%-*s ", width, line);
948 printf("%-*.*s ", width, width, line);
952 * Construct an Internet address representation.
953 * If numeric_addr has been supplied, give
954 * numeric value, otherwise try for symbolic name.
957 inetname(struct in_addr *inp)
960 static char line[MAXHOSTNAMELEN];
965 if (!numeric_addr && inp->s_addr != INADDR_ANY) {
966 int net = inet_netof(*inp);
967 int lna = inet_lnaof(*inp);
969 if (lna == INADDR_ANY) {
970 np = getnetbyaddr(net, AF_INET);
975 hp = gethostbyaddr(inp, sizeof (*inp), AF_INET);
978 trimdomain(cp, strlen(cp));
982 if (inp->s_addr == INADDR_ANY)
985 strncpy(line, cp, sizeof(line) - 1);
986 line[sizeof(line) - 1] = '\0';
988 inp->s_addr = ntohl(inp->s_addr);
989 #define C(x) ((u_int)((x) & 0xff))
990 sprintf(line, "%u.%u.%u.%u", C(inp->s_addr >> 24),
991 C(inp->s_addr >> 16), C(inp->s_addr >> 8), C(inp->s_addr));