/* $NetBSD: inet6.c,v 1.72.2.2 2022/09/12 14:23:41 martin Exp $ */ /* BSDI inet.c,v 2.3 1995/10/24 02:19:29 prb Exp */ /* * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Copyright (c) 1983, 1988, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #ifndef lint #if 0 static char sccsid[] = "@(#)inet.c 8.4 (Berkeley) 4/20/94"; #else __RCSID("$NetBSD: inet6.c,v 1.72.2.2 2022/09/12 14:23:41 martin Exp $"); #endif #endif /* not lint */ #define _CALLOUT_PRIVATE #include #include #include #include #include #include #include #include #include #include #include #include #include #ifndef TCP6 #include #include #endif #include #include #include #ifdef TCP6 #include #include #define TCP6STATES #include #define TCP6TIMERS #include #include #include #else #define TCP6T_NTIMERS TCPT_NTIMERS #define tcp6timers tcptimers #define tcp6states tcpstates #define TCP6_NSTATES TCP_NSTATES #define tcp6cb tcpcb #include #include #include extern const char * const tcpstates[]; extern const char * const tcptimers[]; #include #include #include #endif /*TCP6*/ #include #include #include #include #include #include #if 0 #include "gethostbyname2.h" #endif #include #include #include #include #include #include #include #include #include #include "netstat.h" #include "vtw.h" #include "prog_ops.h" #ifdef INET6 struct in6pcb in6pcb; #ifdef TCP6 struct tcp6cb tcp6cb; #else struct tcpcb tcpcb; #endif char *inet6name(const struct in6_addr *); void inet6print(const struct in6_addr *, int, const char *); void print_vtw_v6(const vtw_t *); /* * Print a summary of connections related to an Internet * protocol. For TCP, also give state of connection. * Listening processes (aflag) are suppressed unless the * -a (all) flag is specified. */ static int width; static int compact; /* VTW-related variables. */ static struct timeval now; static void ip6protoprhdr(void) { printf("Active Internet6 connections"); if (aflag) printf(" (including servers)"); putchar('\n'); if (Aflag) { printf("%-8.8s ", "PCB"); width = 18; } printf( Vflag ? "%-5.5s %-6.6s %-6.6s %*.*s %*.*s %-13.13s Expires\n" : "%-5.5s %-6.6s %-6.6s %*.*s %*.*s %s\n", "Proto", "Recv-Q", "Send-Q", -width, width, "Local Address", -width, width, "Foreign Address", "(state)"); } static void ip6protopr0(intptr_t ppcb, u_long rcv_sb_cc, u_long snd_sb_cc, const struct in6_addr *laddr, uint16_t lport, const struct in6_addr *faddr, uint16_t fport, short t_state, const char *name, const struct timeval *expires) { static const char *shorttcpstates[] = { "CLOSED", "LISTEN", "SYNSEN", "SYSRCV", "ESTABL", "CLWAIT", "FWAIT1", "CLOSNG", "LASTAK", "FWAIT2", "TMWAIT" }; int istcp; istcp = strcmp(name, "tcp6") == 0; if (Aflag) printf("%8" PRIxPTR " ", ppcb); printf("%-5.5s %6ld %6ld%s", name, rcv_sb_cc, snd_sb_cc, compact ? "" : " "); inet6print(laddr, (int)lport, name); inet6print(faddr, (int)fport, name); if (istcp) { #ifdef TCP6 if (t_state < 0 || t_state >= TCP6_NSTATES) printf(" %d", t_state); else printf(" %s", tcp6states[t_state]); #else if (t_state < 0 || t_state >= TCP_NSTATES) printf(" %d", t_state); else printf(" %s", compact ? shorttcpstates[t_state] : tcpstates[t_state]); #endif } if (Vflag && expires != NULL) { if (expires->tv_sec == 0 && expires->tv_usec == -1) printf(" reclaimed"); else { struct timeval delta; timersub(expires, &now, &delta); printf(" %.3fms", delta.tv_sec * 1000.0 + delta.tv_usec / 1000.0); } } putchar('\n'); } static void dbg_printf(const char *fmt, ...) { return; } void print_vtw_v6(const vtw_t *vtw) { const vtw_v6_t *v6 = (const vtw_v6_t *)vtw; struct timeval delta; char buf[2][128]; static const struct timeval zero = {.tv_sec = 0, .tv_usec = 0}; inet_ntop(AF_INET6, &v6->laddr, buf[0], sizeof(buf[0])); inet_ntop(AF_INET6, &v6->faddr, buf[1], sizeof(buf[1])); timersub(&vtw->expire, &now, &delta); if (vtw->expire.tv_sec == 0 && vtw->expire.tv_usec == -1) { dbg_printf("%15.15s:%d %15.15s:%d reclaimed\n", buf[0], ntohs(v6->lport), buf[1], ntohs(v6->fport)); if (!(Vflag && vflag)) return; } else if (vtw->expire.tv_sec == 0) return; else if (timercmp(&delta, &zero, <) && !(Vflag && vflag)) { dbg_printf("%15.15s:%d %15.15s:%d expired\n", buf[0], ntohs(v6->lport), buf[1], ntohs(v6->fport)); return; } else { dbg_printf("%15.15s:%d %15.15s:%d expires in %.3fms\n", buf[0], ntohs(v6->lport), buf[1], ntohs(v6->fport), delta.tv_sec * 1000.0 + delta.tv_usec / 1000.0); } ip6protopr0(0, 0, 0, &v6->laddr, v6->lport, &v6->faddr, v6->fport, TCPS_TIME_WAIT, "tcp6", &vtw->expire); } static struct kinfo_pcb * getpcblist_kmem(u_long off, const char *name, size_t *len) { struct socket sockb; struct inpcbtable table; struct inpcb_hdr *next, *prev; int istcp = strcmp(name, "tcp6") == 0; struct kinfo_pcb *pcblist; size_t size = 100, i; struct sockaddr_in6 sin6; struct inpcbqueue *head; if (off == 0) { *len = 0; return NULL; } kread(off, (char *)&table, sizeof (table)); head = &table.inpt_queue; next = TAILQ_FIRST(head); prev = TAILQ_END(head); if ((pcblist = malloc(size * sizeof(*pcblist))) == NULL) err(1, "malloc"); i = 0; while (next != TAILQ_END(head)) { kread((u_long)next, (char *)&in6pcb, sizeof in6pcb); next = TAILQ_NEXT(&in6pcb, in6p_queue); prev = next; if (in6pcb.in6p_af != AF_INET6) continue; kread((u_long)in6pcb.in6p_socket, (char *)&sockb, sizeof (sockb)); if (istcp) { #ifdef TCP6 kread((u_long)in6pcb.in6p_ppcb, (char *)&tcp6cb, sizeof (tcp6cb)); #else kread((u_long)in6pcb.in6p_ppcb, (char *)&tcpcb, sizeof (tcpcb)); #endif } pcblist[i].ki_ppcbaddr = istcp ? (uintptr_t) in6pcb.in6p_ppcb : (uintptr_t) prev; pcblist[i].ki_rcvq = (uint64_t)sockb.so_rcv.sb_cc; pcblist[i].ki_sndq = (uint64_t)sockb.so_snd.sb_cc; sin6.sin6_addr = in6pcb.in6p_laddr; sin6.sin6_port = in6pcb.in6p_lport; memcpy(&pcblist[i].ki_s, &sin6, sizeof(sin6)); sin6.sin6_addr = in6pcb.in6p_faddr; sin6.sin6_port = in6pcb.in6p_fport; memcpy(&pcblist[i].ki_d, &sin6, sizeof(sin6)); pcblist[i].ki_tstate = tcpcb.t_state; if (i++ == size) { size += 100; struct kinfo_pcb *n = realloc(pcblist, size * sizeof(*pcblist)); if (n == NULL) err(1, "realloc"); pcblist = n; } } *len = i; return pcblist; } void ip6protopr(u_long off, const char *name) { struct kinfo_pcb *pcblist; size_t i, len; static int first = 1; compact = 0; if (Aflag) { if (!numeric_addr) width = 18; else { width = 21; compact = 1; } } else width = 22; if (use_sysctl) pcblist = getpcblist_sysctl(name, &len); else pcblist = getpcblist_kmem(off, name, &len); for (i = 0; i < len; i++) { struct sockaddr_in6 src, dst; memcpy(&src, &pcblist[i].ki_s, sizeof(src)); memcpy(&dst, &pcblist[i].ki_d, sizeof(dst)); if (!aflag && IN6_IS_ADDR_UNSPECIFIED(&dst.sin6_addr)) continue; if (first) { ip6protoprhdr(); first = 0; } ip6protopr0((intptr_t) pcblist[i].ki_ppcbaddr, pcblist[i].ki_rcvq, pcblist[i].ki_sndq, &src.sin6_addr, src.sin6_port, &dst.sin6_addr, dst.sin6_port, pcblist[i].ki_tstate, name, NULL); } free(pcblist); if (strcmp(name, "tcp6") == 0) { struct timeval t; timebase(&t); gettimeofday(&now, NULL); timersub(&now, &t, &now); show_vtw_v6(print_vtw_v6); } } #ifdef TCP6 /* * Dump TCP6 statistics structure. */ void tcp6_stats(u_long off, const char *name) { struct tcp6stat tcp6stat; if (use_sysctl) { size_t size = sizeof(tcp6stat); if (prog_sysctlbyname("net.inet6.tcp6.stats", &tcp6stat, &size, NULL, 0) == -1) return; } else { warnx("%s stats not available via KVM.", name); return; } printf ("%s:\n", name); #define p(f, m) if (tcp6stat.f || sflag <= 1) \ printf(m, tcp6stat.f, plural(tcp6stat.f)) #define p2(f1, f2, m) if (tcp6stat.f1 || tcp6stat.f2 || sflag <= 1) \ printf(m, tcp6stat.f1, plural(tcp6stat.f1), tcp6stat.f2, \ plural(tcp6stat.f2)) #define p3(f, m) if (tcp6stat.f || sflag <= 1) \ printf(m, tcp6stat.f, plurales(tcp6stat.f)) p(tcp6s_sndtotal, "\t%ld packet%s sent\n"); p2(tcp6s_sndpack,tcp6s_sndbyte, "\t\t%ld data packet%s (%ld byte%s)\n"); p2(tcp6s_sndrexmitpack, tcp6s_sndrexmitbyte, "\t\t%ld data packet%s (%ld byte%s) retransmitted\n"); p2(tcp6s_sndacks, tcp6s_delack, "\t\t%ld ack-only packet%s (%ld packet%s delayed)\n"); p(tcp6s_sndurg, "\t\t%ld URG only packet%s\n"); p(tcp6s_sndprobe, "\t\t%ld window probe packet%s\n"); p(tcp6s_sndwinup, "\t\t%ld window update packet%s\n"); p(tcp6s_sndctrl, "\t\t%ld control packet%s\n"); p(tcp6s_rcvtotal, "\t%ld packet%s received\n"); p2(tcp6s_rcvackpack, tcp6s_rcvackbyte, "\t\t%ld ack%s (for %ld byte%s)\n"); p(tcp6s_rcvdupack, "\t\t%ld duplicate ack%s\n"); p(tcp6s_rcvacktoomuch, "\t\t%ld ack%s for unsent data\n"); p2(tcp6s_rcvpack, tcp6s_rcvbyte, "\t\t%ld packet%s (%ld byte%s) received in-sequence\n"); p2(tcp6s_rcvduppack, tcp6s_rcvdupbyte, "\t\t%ld completely duplicate packet%s (%ld byte%s)\n"); p(tcp6s_pawsdrop, "\t\t%ld old duplicate packet%s\n"); p2(tcp6s_rcvpartduppack, tcp6s_rcvpartdupbyte, "\t\t%ld packet%s with some dup. data (%ld byte%s duped)\n"); p2(tcp6s_rcvoopack, tcp6s_rcvoobyte, "\t\t%ld out-of-order packet%s (%ld byte%s)\n"); p2(tcp6s_rcvpackafterwin, tcp6s_rcvbyteafterwin, "\t\t%ld packet%s (%ld byte%s) of data after window\n"); p(tcp6s_rcvwinprobe, "\t\t%ld window probe%s\n"); p(tcp6s_rcvwinupd, "\t\t%ld window update packet%s\n"); p(tcp6s_rcvafterclose, "\t\t%ld packet%s received after close\n"); p(tcp6s_rcvbadsum, "\t\t%ld discarded for bad checksum%s\n"); p(tcp6s_rcvbadoff, "\t\t%ld discarded for bad header offset field%s\n"); p(tcp6s_rcvshort, "\t\t%ld discarded because packet%s too short\n"); p(tcp6s_connattempt, "\t%ld connection request%s\n"); p(tcp6s_accepts, "\t%ld connection accept%s\n"); p(tcp6s_badsyn, "\t%ld bad connection attempt%s\n"); p(tcp6s_connects, "\t%ld connection%s established (including accepts)\n"); p2(tcp6s_closed, tcp6s_drops, "\t%ld connection%s closed (including %ld drop%s)\n"); p(tcp6s_conndrops, "\t%ld embryonic connection%s dropped\n"); p2(tcp6s_rttupdated, tcp6s_segstimed, "\t%ld segment%s updated rtt (of %ld attempt%s)\n"); p(tcp6s_rexmttimeo, "\t%ld retransmit timeout%s\n"); p(tcp6s_timeoutdrop, "\t\t%ld connection%s dropped by rexmit timeout\n"); p(tcp6s_persisttimeo, "\t%ld persist timeout%s\n"); p(tcp6s_persistdrop, "\t%ld connection%s timed out in persist\n"); p(tcp6s_keeptimeo, "\t%ld keepalive timeout%s\n"); p(tcp6s_keepprobe, "\t\t%ld keepalive probe%s sent\n"); p(tcp6s_keepdrops, "\t\t%ld connection%s dropped by keepalive\n"); p(tcp6s_predack, "\t%ld correct ACK header prediction%s\n"); p(tcp6s_preddat, "\t%ld correct data packet header prediction%s\n"); p3(tcp6s_pcbcachemiss, "\t%ld PCB cache miss%s\n"); #undef p #undef p2 #undef p3 } #endif /* * Dump UDP6 statistics structure. */ void udp6_stats(u_long off, const char *name) { uint64_t udp6stat[UDP6_NSTATS]; u_quad_t delivered; if (use_sysctl) { size_t size = sizeof(udp6stat); if (prog_sysctlbyname("net.inet6.udp6.stats", udp6stat, &size, NULL, 0) == -1) return; } else { warnx("%s stats not available via KVM.", name); return; } printf("%s:\n", name); #define p(f, m) if (udp6stat[f] || sflag <= 1) \ printf(m, (unsigned long long)udp6stat[f], plural(udp6stat[f])) #define p1(f, m) if (udp6stat[f] || sflag <= 1) \ printf(m, (unsigned long long)udp6stat[f]) p(UDP6_STAT_IPACKETS, "\t%llu datagram%s received\n"); p1(UDP6_STAT_HDROPS, "\t%llu with incomplete header\n"); p1(UDP6_STAT_BADLEN, "\t%llu with bad data length field\n"); p1(UDP6_STAT_BADSUM, "\t%llu with bad checksum\n"); p1(UDP6_STAT_NOSUM, "\t%llu with no checksum\n"); p1(UDP6_STAT_NOPORT, "\t%llu dropped due to no socket\n"); p(UDP6_STAT_NOPORTMCAST, "\t%llu multicast datagram%s dropped due to no socket\n"); p1(UDP6_STAT_FULLSOCK, "\t%llu dropped due to full socket buffers\n"); delivered = udp6stat[UDP6_STAT_IPACKETS] - udp6stat[UDP6_STAT_HDROPS] - udp6stat[UDP6_STAT_BADLEN] - udp6stat[UDP6_STAT_BADSUM] - udp6stat[UDP6_STAT_NOPORT] - udp6stat[UDP6_STAT_NOPORTMCAST] - udp6stat[UDP6_STAT_FULLSOCK]; if (delivered || sflag <= 1) printf("\t%llu delivered\n", (unsigned long long)delivered); p(UDP6_STAT_OPACKETS, "\t%llu datagram%s output\n"); #undef p #undef p1 } static const char *ip6nh[] = { /*0*/ "hop by hop", "ICMP", "IGMP", NULL, "IP", /*5*/ NULL, "TCP", NULL, NULL, NULL, /*10*/ NULL, NULL, NULL, NULL, NULL, /*15*/ NULL, NULL, "UDP", NULL, NULL, /*20*/ NULL, NULL, "IDP", NULL, NULL, /*25*/ NULL, NULL, NULL, NULL, NULL, /*30*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*40*/ NULL, "IP6", NULL, "routing", "fragment", /*45*/ NULL, NULL, NULL, NULL, NULL, /*50*/ "ESP", "AH", NULL, NULL, NULL, /*55*/ NULL, NULL, NULL, "ICMP6", "no next header", /*60*/ "destination option", NULL, NULL, NULL, NULL, /*65*/ NULL, NULL, NULL, NULL, NULL, /*70*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*80*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "OSPF", /*90*/ NULL, NULL, NULL, NULL, NULL, /*95*/ NULL, NULL, "Ethernet", NULL, NULL, /*100*/ NULL, NULL, NULL, "PIM", NULL, /*105*/ NULL, NULL, NULL, NULL, NULL, /*110*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*120*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*130*/ NULL, NULL, "SCTP", NULL, NULL, /*135*/ NULL, NULL, NULL, NULL, NULL, /*140*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*160*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*180*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*200*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*220*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, /*240*/ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }; /* * Dump IP6 statistics structure. */ void ip6_stats(u_long off, const char *name) { uint64_t ip6stat[IP6_NSTATS]; int first, i; struct protoent *ep; const char *n; if (use_sysctl) { size_t size = sizeof(ip6stat); if (prog_sysctlbyname("net.inet6.ip6.stats", ip6stat, &size, NULL, 0) == -1) return; } else { warnx("%s stats not available via KVM.", name); return; } printf("%s:\n", name); #define p(f, m) if (ip6stat[f] || sflag <= 1) \ printf(m, (unsigned long long)ip6stat[f], plural(ip6stat[f])) #define p1(f, m) if (ip6stat[f] || sflag <= 1) \ printf(m, (unsigned long long)ip6stat[f]) p(IP6_STAT_TOTAL, "\t%llu total packet%s received\n"); p1(IP6_STAT_TOOSMALL, "\t%llu with size smaller than minimum\n"); p1(IP6_STAT_TOOSHORT, "\t%llu with data size < data length\n"); p1(IP6_STAT_BADOPTIONS, "\t%llu with bad options\n"); p1(IP6_STAT_BADVERS, "\t%llu with incorrect version number\n"); p(IP6_STAT_FRAGMENTS, "\t%llu fragment%s received\n"); p(IP6_STAT_FRAGDROPPED, "\t%llu fragment%s dropped (dup or out of space)\n"); p(IP6_STAT_FRAGTIMEOUT, "\t%llu fragment%s dropped after timeout\n"); p(IP6_STAT_FRAGOVERFLOW, "\t%llu fragment%s that exceeded limit\n"); p(IP6_STAT_REASSEMBLED, "\t%llu packet%s reassembled ok\n"); p(IP6_STAT_DELIVERED, "\t%llu packet%s for this host\n"); p(IP6_STAT_FORWARD, "\t%llu packet%s forwarded\n"); p(IP6_STAT_FASTFORWARD, "\t%llu packet%s fast forwarded\n"); p1(IP6_STAT_FASTFORWARDFLOWS, "\t%llu fast forward flows\n"); p(IP6_STAT_CANTFORWARD, "\t%llu packet%s not forwardable\n"); p(IP6_STAT_REDIRECTSENT, "\t%llu redirect%s sent\n"); p(IP6_STAT_LOCALOUT, "\t%llu packet%s sent from this host\n"); p(IP6_STAT_RAWOUT, "\t%llu packet%s sent with fabricated ip header\n"); p(IP6_STAT_ODROPPED, "\t%llu output packet%s dropped due to no bufs, etc.\n"); p(IP6_STAT_NOROUTE, "\t%llu output packet%s discarded due to no route\n"); p(IP6_STAT_FRAGMENTED, "\t%llu output datagram%s fragmented\n"); p(IP6_STAT_OFRAGMENTS, "\t%llu fragment%s created\n"); p(IP6_STAT_CANTFRAG, "\t%llu datagram%s that can't be fragmented\n"); p(IP6_STAT_BADSCOPE, "\t%llu packet%s that violated scope rules\n"); p(IP6_STAT_NOTMEMBER, "\t%llu multicast packet%s which we don't join\n"); for (first = 1, i = 0; i < 256; i++) if (ip6stat[IP6_STAT_NXTHIST + i] != 0) { if (first) { printf("\tInput packet histogram:\n"); first = 0; } n = NULL; if (ip6nh[i]) n = ip6nh[i]; else if ((ep = getprotobynumber(i)) != NULL) n = ep->p_name; if (n) printf("\t\t%s: %llu\n", n, (unsigned long long)ip6stat[IP6_STAT_NXTHIST + i]); else printf("\t\t#%d: %llu\n", i, (unsigned long long)ip6stat[IP6_STAT_NXTHIST + i]); } printf("\tMbuf statistics:\n"); p(IP6_STAT_M1, "\t\t%llu one mbuf%s\n"); for (first = 1, i = 0; i < 32; i++) { char ifbuf[IFNAMSIZ]; if (ip6stat[IP6_STAT_M2M + i] != 0) { if (first) { printf("\t\ttwo or more mbuf:\n"); first = 0; } printf("\t\t\t%s = %llu\n", if_indextoname(i, ifbuf), (unsigned long long)ip6stat[IP6_STAT_M2M + i]); } } p(IP6_STAT_MEXT1, "\t\t%llu one ext mbuf%s\n"); p(IP6_STAT_MEXT2M, "\t\t%llu two or more ext mbuf%s\n"); p(IP6_STAT_EXTHDRTOOLONG, "\t%llu packet%s whose headers are not continuous\n"); p(IP6_STAT_NOGIF, "\t%llu tunneling packet%s that can't find gif\n"); p(IP6_STAT_NOIPSEC, "\t%llu tunneling packet%s that can't find ipsecif\n"); p(IP6_STAT_TOOMANYHDR, "\t%llu packet%s discarded due to too many headers\n"); /* for debugging source address selection */ #define PRINT_SCOPESTAT(s, i) do { \ switch (i) { /* XXX hardcoding in each case */ \ case 1: \ p(s, "\t\t%llu node-local%s\n"); \ break; \ case 2: \ p(s, "\t\t%llu link-local%s\n"); \ break; \ case 5: \ p(s, "\t\t%llu site-local%s\n"); \ break; \ case 14: \ p(s, "\t\t%llu global%s\n"); \ break; \ default: \ printf("\t\t%llu addresses scope=%x\n", \ (unsigned long long)ip6stat[s], i); \ } \ } while(/*CONSTCOND*/0); p(IP6_STAT_SOURCES_NONE, "\t%llu failure%s of source address selection\n"); for (first = 1, i = 0; i < 16; i++) { if (ip6stat[IP6_STAT_SOURCES_SAMEIF + i]) { if (first) { printf("\tsource addresses on an outgoing I/F\n"); first = 0; } PRINT_SCOPESTAT(IP6_STAT_SOURCES_SAMEIF + i, i); } } for (first = 1, i = 0; i < 16; i++) { if (ip6stat[IP6_STAT_SOURCES_OTHERIF + i]) { if (first) { printf("\tsource addresses on a non-outgoing I/F\n"); first = 0; } PRINT_SCOPESTAT(IP6_STAT_SOURCES_OTHERIF + i, i); } } for (first = 1, i = 0; i < 16; i++) { if (ip6stat[IP6_STAT_SOURCES_SAMESCOPE + i]) { if (first) { printf("\tsource addresses of same scope\n"); first = 0; } PRINT_SCOPESTAT(IP6_STAT_SOURCES_SAMESCOPE + i, i); } } for (first = 1, i = 0; i < 16; i++) { if (ip6stat[IP6_STAT_SOURCES_OTHERSCOPE + i]) { if (first) { printf("\tsource addresses of a different scope\n"); first = 0; } PRINT_SCOPESTAT(IP6_STAT_SOURCES_OTHERSCOPE + i, i); } } for (first = 1, i = 0; i < 16; i++) { if (ip6stat[IP6_STAT_SOURCES_DEPRECATED + i]) { if (first) { printf("\tdeprecated source addresses\n"); first = 0; } PRINT_SCOPESTAT(IP6_STAT_SOURCES_DEPRECATED + i, i); } } p1(IP6_STAT_FORWARD_CACHEHIT, "\t%llu forward cache hit\n"); p1(IP6_STAT_FORWARD_CACHEMISS, "\t%llu forward cache miss\n"); p(IP6_STAT_PFILDROP_IN, "\t%llu input packet%s dropped by pfil\n"); p(IP6_STAT_PFILDROP_OUT, "\t%llu output packet%s dropped by pfil\n"); #undef p #undef p1 } /* * Dump IPv6 per-interface statistics based on RFC 2465. */ void ip6_ifstats(const char *ifname) { struct in6_ifreq ifr; int s; #define p(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ printf(m, (unsigned long long)ifr.ifr_ifru.ifru_stat.f, \ plural(ifr.ifr_ifru.ifru_stat.f)) #define p_5(f, m) if (ifr.ifr_ifru.ifru_stat.f || sflag <= 1) \ printf(m, (unsigned long long)ip6stat.f) if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { perror("Warning: socket(AF_INET6)"); return; } strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); printf("ip6 on %s:\n", ifname); if (ioctl(s, SIOCGIFSTAT_IN6, (char *)&ifr) < 0) { perror("Warning: ioctl(SIOCGIFSTAT_IN6)"); goto end; } p(ifs6_in_receive, "\t%llu total input datagram%s\n"); p(ifs6_in_hdrerr, "\t%llu datagram%s with invalid header received\n"); p(ifs6_in_toobig, "\t%llu datagram%s exceeded MTU received\n"); p(ifs6_in_noroute, "\t%llu datagram%s with no route received\n"); p(ifs6_in_addrerr, "\t%llu datagram%s with invalid dst received\n"); p(ifs6_in_truncated, "\t%llu truncated datagram%s received\n"); p(ifs6_in_protounknown, "\t%llu datagram%s with unknown proto received\n"); p(ifs6_in_discard, "\t%llu input datagram%s discarded\n"); p(ifs6_in_deliver, "\t%llu datagram%s delivered to an upper layer protocol\n"); p(ifs6_out_forward, "\t%llu datagram%s forwarded to this interface\n"); p(ifs6_out_request, "\t%llu datagram%s sent from an upper layer protocol\n"); p(ifs6_out_discard, "\t%llu total discarded output datagram%s\n"); p(ifs6_out_fragok, "\t%llu output datagram%s fragmented\n"); p(ifs6_out_fragfail, "\t%llu output datagram%s failed on fragment\n"); p(ifs6_out_fragcreat, "\t%llu output datagram%s succeeded on fragment\n"); p(ifs6_reass_reqd, "\t%llu incoming datagram%s fragmented\n"); p(ifs6_reass_ok, "\t%llu datagram%s reassembled\n"); p(ifs6_reass_fail, "\t%llu datagram%s failed on reassembling\n"); p(ifs6_in_mcast, "\t%llu multicast datagram%s received\n"); p(ifs6_out_mcast, "\t%llu multicast datagram%s sent\n"); end: close(s); #undef p #undef p_5 } static const char *icmp6names[256] = { "#0", "unreach", "packet too big", "time exceed", "parameter problem", "#5", "#6", "#7", "#8", "#9", "#10", "#11", "#12", "#13", "#14", "#15", "#16", "#17", "#18", "#19", "#20", "#21", "#22", "#23", "#24", "#25", "#26", "#27", "#28", "#29", "#30", "#31", "#32", "#33", "#34", "#35", "#36", "#37", "#38", "#39", "#40", "#41", "#42", "#43", "#44", "#45", "#46", "#47", "#48", "#49", "#50", "#51", "#52", "#53", "#54", "#55", "#56", "#57", "#58", "#59", "#60", "#61", "#62", "#63", "#64", "#65", "#66", "#67", "#68", "#69", "#70", "#71", "#72", "#73", "#74", "#75", "#76", "#77", "#78", "#79", "#80", "#81", "#82", "#83", "#84", "#85", "#86", "#87", "#88", "#89", "#80", "#91", "#92", "#93", "#94", "#95", "#96", "#97", "#98", "#99", "#100", "#101", "#102", "#103", "#104", "#105", "#106", "#107", "#108", "#109", "#110", "#111", "#112", "#113", "#114", "#115", "#116", "#117", "#118", "#119", "#120", "#121", "#122", "#123", "#124", "#125", "#126", "#127", "echo", "echo reply", "multicast listener query", "multicast listener report", "multicast listener done", "router solicitation", "router advertisement", "neighbor solicitation", "neighbor advertisement", "redirect", "router renumbering", "node information request", "node information reply", "#141", "#142", "multicast listener report (v2)", "home agent discovery request", "home agent discovery reply", "mobile prefix solicitation", "mobile prefix advertisement", "#148", "#149", "#150", "multicast router advertisement", "multicast router solicitation", "multicast router termination", "#154", "#155", "#156", "#157", "#158", "#159", "#160", "#161", "#162", "#163", "#164", "#165", "#166", "#167", "#168", "#169", "#170", "#171", "#172", "#173", "#174", "#175", "#176", "#177", "#178", "#179", "#180", "#181", "#182", "#183", "#184", "#185", "#186", "#187", "#188", "#189", "#180", "#191", "#192", "#193", "#194", "#195", "#196", "#197", "#198", "#199", "#200", "#201", "#202", "#203", "#204", "#205", "#206", "#207", "#208", "#209", "#210", "#211", "#212", "#213", "#214", "#215", "#216", "#217", "#218", "#219", "#220", "#221", "#222", "#223", "#224", "#225", "#226", "#227", "#228", "#229", "#230", "#231", "#232", "#233", "#234", "#235", "#236", "#237", "#238", "#239", "#240", "#241", "#242", "#243", "#244", "#245", "#246", "#247", "#248", "#249", "#250", "#251", "#252", "#253", "#254", "#255" }; /* * Dump ICMPv6 statistics. */ void icmp6_stats(u_long off, const char *name) { uint64_t icmp6stat[ICMP6_NSTATS]; int i, first; if (use_sysctl) { size_t size = sizeof(icmp6stat); if (prog_sysctlbyname("net.inet6.icmp6.stats", icmp6stat, &size, NULL, 0) == -1) return; } else { warnx("%s stats not available via KVM.", name); return; } printf("%s:\n", name); #define p(f, m) if (icmp6stat[f] || sflag <= 1) \ printf(m, (unsigned long long)icmp6stat[f], \ plural(icmp6stat[f])) #define p_oerr(f, m) if (icmp6stat[ICMP6_STAT_OUTERRHIST + f] || sflag <= 1) \ printf(m, \ (unsigned long long)icmp6stat[ICMP6_STAT_OUTERRHIST + f]) p(ICMP6_STAT_ERROR, "\t%llu call%s to icmp6_error\n"); p(ICMP6_STAT_CANTERROR, "\t%llu error%s not generated because old message was icmp6 or so\n"); p(ICMP6_STAT_TOOFREQ, "\t%llu error%s not generated because of rate limitation\n"); for (first = 1, i = 0; i < 256; i++) if (icmp6stat[ICMP6_STAT_OUTHIST + i] != 0) { if (first) { printf("\tOutput packet histogram:\n"); first = 0; } printf("\t\t%s: %llu\n", icmp6names[i], (unsigned long long)icmp6stat[ICMP6_STAT_OUTHIST + i]); } p(ICMP6_STAT_BADCODE, "\t%llu message%s with bad code fields\n"); p(ICMP6_STAT_TOOSHORT, "\t%llu message%s < minimum length\n"); p(ICMP6_STAT_CHECKSUM, "\t%llu bad checksum%s\n"); p(ICMP6_STAT_BADLEN, "\t%llu message%s with bad length\n"); for (first = 1, i = 0; i < ICMP6_MAXTYPE; i++) if (icmp6stat[ICMP6_STAT_INHIST + i] != 0) { if (first) { printf("\tInput packet histogram:\n"); first = 0; } printf("\t\t%s: %llu\n", icmp6names[i], (unsigned long long)icmp6stat[ICMP6_STAT_INHIST + i]); } printf("\tHistogram of error messages to be generated:\n"); p_oerr(ICMP6_ERRSTAT_DST_UNREACH_NOROUTE, "\t\t%llu no route\n"); p_oerr(ICMP6_ERRSTAT_DST_UNREACH_ADMIN, "\t\t%llu administratively prohibited\n"); p_oerr(ICMP6_ERRSTAT_DST_UNREACH_BEYONDSCOPE, "\t\t%llu beyond scope\n"); p_oerr(ICMP6_ERRSTAT_DST_UNREACH_ADDR, "\t\t%llu address unreachable\n"); p_oerr(ICMP6_ERRSTAT_DST_UNREACH_NOPORT, "\t\t%llu port unreachable\n"); p_oerr(ICMP6_ERRSTAT_PACKET_TOO_BIG, "\t\t%llu packet too big\n"); p_oerr(ICMP6_ERRSTAT_TIME_EXCEED_TRANSIT, "\t\t%llu time exceed transit\n"); p_oerr(ICMP6_ERRSTAT_TIME_EXCEED_REASSEMBLY, "\t\t%llu time exceed reassembly\n"); p_oerr(ICMP6_ERRSTAT_PARAMPROB_HEADER, "\t\t%llu erroneous header field\n"); p_oerr(ICMP6_ERRSTAT_PARAMPROB_NEXTHEADER, "\t\t%llu unrecognized next header\n"); p_oerr(ICMP6_ERRSTAT_PARAMPROB_OPTION, "\t\t%llu unrecognized option\n"); p_oerr(ICMP6_ERRSTAT_REDIRECT, "\t\t%llu redirect\n"); p_oerr(ICMP6_ERRSTAT_UNKNOWN, "\t\t%llu unknown\n"); p(ICMP6_STAT_REFLECT, "\t%llu message response%s generated\n"); p(ICMP6_STAT_ND_TOOMANYOPT, "\t%llu message%s with too many ND options\n"); p(ICMP6_STAT_ND_BADOPT, "\t%llu message%s with bad ND options\n"); p(ICMP6_STAT_BADNS, "\t%llu bad neighbor solicitation message%s\n"); p(ICMP6_STAT_BADNA, "\t%llu bad neighbor advertisement message%s\n"); p(ICMP6_STAT_BADRS, "\t%llu bad router solicitation message%s\n"); p(ICMP6_STAT_BADRA, "\t%llu bad router advertisement message%s\n"); p(ICMP6_STAT_DROPPED_RAROUTE, "\t%llu router advertisement route%s dropped\n"); p(ICMP6_STAT_BADREDIRECT, "\t%llu bad redirect message%s\n"); p(ICMP6_STAT_PMTUCHG, "\t%llu path MTU change%s\n"); #undef p #undef p_oerr } /* * Dump ICMPv6 per-interface statistics based on RFC 2466. */ void icmp6_ifstats(const char *ifname) { struct in6_ifreq ifr; int s; #define p(f, m) if (ifr.ifr_ifru.ifru_icmp6stat.f || sflag <= 1) \ printf(m, (unsigned long long)ifr.ifr_ifru.ifru_icmp6stat.f, \ plural(ifr.ifr_ifru.ifru_icmp6stat.f)) if ((s = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) { perror("Warning: socket(AF_INET6)"); return; } strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name)); printf("icmp6 on %s:\n", ifname); if (ioctl(s, SIOCGIFSTAT_ICMP6, (char *)&ifr) < 0) { perror("Warning: ioctl(SIOCGIFSTAT_ICMP6)"); goto end; } p(ifs6_in_msg, "\t%llu total input message%s\n"); p(ifs6_in_error, "\t%llu total input error message%s\n"); p(ifs6_in_dstunreach, "\t%llu input destination unreachable error%s\n"); p(ifs6_in_adminprohib, "\t%llu input administratively prohibited error%s\n"); p(ifs6_in_timeexceed, "\t%llu input time exceeded error%s\n"); p(ifs6_in_paramprob, "\t%llu input parameter problem error%s\n"); p(ifs6_in_pkttoobig, "\t%llu input packet too big error%s\n"); p(ifs6_in_echo, "\t%llu input echo request%s\n"); p(ifs6_in_echoreply, "\t%llu input echo reply%s\n"); p(ifs6_in_routersolicit, "\t%llu input router solicitation%s\n"); p(ifs6_in_routeradvert, "\t%llu input router advertisement%s\n"); p(ifs6_in_neighborsolicit, "\t%llu input neighbor solicitation%s\n"); p(ifs6_in_neighboradvert, "\t%llu input neighbor advertisement%s\n"); p(ifs6_in_redirect, "\t%llu input redirect%s\n"); p(ifs6_in_mldquery, "\t%llu input MLD query%s\n"); p(ifs6_in_mldreport, "\t%llu input MLD report%s\n"); p(ifs6_in_mlddone, "\t%llu input MLD done%s\n"); p(ifs6_out_msg, "\t%llu total output message%s\n"); p(ifs6_out_error, "\t%llu total output error message%s\n"); p(ifs6_out_dstunreach, "\t%llu output destination unreachable error%s\n"); p(ifs6_out_adminprohib, "\t%llu output administratively prohibited error%s\n"); p(ifs6_out_timeexceed, "\t%llu output time exceeded error%s\n"); p(ifs6_out_paramprob, "\t%llu output parameter problem error%s\n"); p(ifs6_out_pkttoobig, "\t%llu output packet too big error%s\n"); p(ifs6_out_echo, "\t%llu output echo request%s\n"); p(ifs6_out_echoreply, "\t%llu output echo reply%s\n"); p(ifs6_out_routersolicit, "\t%llu output router solicitation%s\n"); p(ifs6_out_routeradvert, "\t%llu output router advertisement%s\n"); p(ifs6_out_neighborsolicit, "\t%llu output neighbor solicitation%s\n"); p(ifs6_out_neighboradvert, "\t%llu output neighbor advertisement%s\n"); p(ifs6_out_redirect, "\t%llu output redirect%s\n"); p(ifs6_out_mldquery, "\t%llu output MLD query%s\n"); p(ifs6_out_mldreport, "\t%llu output MLD report%s\n"); p(ifs6_out_mlddone, "\t%llu output MLD done%s\n"); end: close(s); #undef p } /* * Dump PIM statistics structure. */ void pim6_stats(u_long off, const char *name) { uint64_t pim6stat[PIM6_NSTATS]; if (use_sysctl) { size_t size = sizeof(pim6stat); if (prog_sysctlbyname("net.inet6.pim6.stats", pim6stat, &size, NULL, 0) == -1) return; } else { warnx("%s stats not available via KVM.", name); return; } printf("%s:\n", name); #define p(f, m) if (pim6stat[f] || sflag <= 1) \ printf(m, (unsigned long long)pim6stat[f], plural(pim6stat[f])) p(PIM6_STAT_RCV_TOTAL, "\t%llu message%s received\n"); p(PIM6_STAT_RCV_TOOSHORT, "\t%llu message%s received with too few bytes\n"); p(PIM6_STAT_RCV_BADSUM, "\t%llu message%s received with bad checksum\n"); p(PIM6_STAT_RCV_BADVERSION, "\t%llu message%s received with bad version\n"); p(PIM6_STAT_RCV_REGISTERS, "\t%llu register%s received\n"); p(PIM6_STAT_RCV_BADREGISTERS, "\t%llu bad register%s received\n"); p(PIM6_STAT_SND_REGISTERS, "\t%llu register%s sent\n"); #undef p } /* * Dump raw ip6 statistics structure. */ void rip6_stats(u_long off, const char *name) { uint64_t rip6stat[RIP6_NSTATS]; u_quad_t delivered; if (use_sysctl) { size_t size = sizeof(rip6stat); if (prog_sysctlbyname("net.inet6.raw6.stats", rip6stat, &size, NULL, 0) == -1) return; } else { warnx("%s stats not available via KVM.", name); return; } printf("%s:\n", name); #define p(f, m) if (rip6stat[f] || sflag <= 1) \ printf(m, (unsigned long long)rip6stat[f], plural(rip6stat[f])) p(RIP6_STAT_IPACKETS, "\t%llu message%s received\n"); p(RIP6_STAT_ISUM, "\t%llu checksum calculation%s on inbound\n"); p(RIP6_STAT_BADSUM, "\t%llu message%s with bad checksum\n"); p(RIP6_STAT_NOSOCK, "\t%llu message%s dropped due to no socket\n"); p(RIP6_STAT_NOSOCKMCAST, "\t%llu multicast message%s dropped due to no socket\n"); p(RIP6_STAT_FULLSOCK, "\t%llu message%s dropped due to full socket buffers\n"); delivered = rip6stat[RIP6_STAT_IPACKETS] - rip6stat[RIP6_STAT_BADSUM] - rip6stat[RIP6_STAT_NOSOCK] - rip6stat[RIP6_STAT_NOSOCKMCAST] - rip6stat[RIP6_STAT_FULLSOCK]; if (delivered || sflag <= 1) printf("\t%llu delivered\n", (unsigned long long)delivered); p(RIP6_STAT_OPACKETS, "\t%llu datagram%s output\n"); #undef p } /* * Pretty print an Internet address (net address + port). * Take numeric_addr and numeric_port into consideration. */ void inet6print(const struct in6_addr *in6, int port, const char *proto) { #define GETSERVBYPORT6(port, proto, ret) \ do { \ if (strcmp((proto), "tcp6") == 0) \ (ret) = getservbyport((int)(port), "tcp"); \ else if (strcmp((proto), "udp6") == 0) \ (ret) = getservbyport((int)(port), "udp"); \ else \ (ret) = getservbyport((int)(port), (proto)); \ } while (0) struct servent *sp = 0; char line[80], *cp; int lwidth; lwidth = Aflag ? 12 : 16; if (vflag && lwidth < (int)strlen(inet6name(in6))) lwidth = strlen(inet6name(in6)); snprintf(line, sizeof(line), "%.*s.", lwidth, inet6name(in6)); cp = strchr(line, '\0'); if (!numeric_port && port) GETSERVBYPORT6(port, proto, sp); if (sp || port == 0) snprintf(cp, sizeof(line) - (cp - line), "%s", sp ? sp->s_name : "*"); else snprintf(cp, sizeof(line) - (cp - line), "%d", ntohs((u_short)port)); lwidth = Aflag ? 18 : 22; if (vflag && lwidth < (int)strlen(line)) lwidth = strlen(line); printf(" %-*.*s", lwidth, lwidth, line); } /* * Construct an Internet address representation. * If the numeric_addr has been supplied, give * numeric value, otherwise try for symbolic name. */ char * inet6name(const struct in6_addr *in6p) { char *cp; static char line[NI_MAXHOST]; struct hostent *hp; static char domain[MAXHOSTNAMELEN + 1]; static int first = 1; char hbuf[NI_MAXHOST]; struct sockaddr_in6 sin6; const int niflag = NI_NUMERICHOST; if (first && !numeric_addr) { first = 0; if (gethostname(domain, MAXHOSTNAMELEN) == 0 && (cp = strchr(domain, '.'))) (void) strlcpy(domain, cp + 1, sizeof(domain)); else domain[0] = 0; } cp = 0; if (!numeric_addr && !IN6_IS_ADDR_UNSPECIFIED(in6p)) { hp = gethostbyaddr((const char *)in6p, sizeof(*in6p), AF_INET6); if (hp) { if ((cp = strchr(hp->h_name, '.')) && !strcmp(cp + 1, domain)) *cp = 0; cp = hp->h_name; } } if (IN6_IS_ADDR_UNSPECIFIED(in6p)) strlcpy(line, "*", sizeof(line)); else if (cp) strlcpy(line, cp, sizeof(line)); else { memset(&sin6, 0, sizeof(sin6)); sin6.sin6_len = sizeof(sin6); sin6.sin6_family = AF_INET6; sin6.sin6_addr = *in6p; inet6_getscopeid(&sin6, INET6_IS_ADDR_LINKLOCAL | INET6_IS_ADDR_MC_LINKLOCAL); if (getnameinfo((struct sockaddr *)&sin6, sin6.sin6_len, hbuf, sizeof(hbuf), NULL, 0, niflag) != 0) strlcpy(hbuf, "?", sizeof(hbuf)); strlcpy(line, hbuf, sizeof(line)); } return line; } /* * Dump the contents of a TCP6 PCB. */ void tcp6_dump(u_long off, const char *name, u_long pcbaddr) { callout_impl_t *ci; int i, hardticks; struct kinfo_pcb *pcblist; #ifdef TCP6 #define mypcb tcp6cb #else #define mypcb tcpcb #endif size_t j, len; if (use_sysctl) pcblist = getpcblist_sysctl(name, &len); else pcblist = getpcblist_kmem(off, name, &len); for (j = 0; j < len; j++) if (pcblist[j].ki_ppcbaddr == pcbaddr) break; free(pcblist); if (j == len) errx(1, "0x%lx is not a valid pcb address", pcbaddr); kread(pcbaddr, (char *)&mypcb, sizeof(mypcb)); hardticks = get_hardticks(); printf("TCP Protocol Control Block at 0x%08lx:\n\n", pcbaddr); printf("Timers:\n"); for (i = 0; i < TCP6T_NTIMERS; i++) { char buf[128]; ci = (callout_impl_t *)&tcpcb.t_timer[i]; snprintb(buf, sizeof(buf), CALLOUT_FMT, ci->c_flags); printf("\t%s\t%s", tcptimers[i], buf); if (ci->c_flags & CALLOUT_PENDING) printf("\t%d\n", ci->c_time - hardticks); else printf("\n"); } printf("\n\n"); if (mypcb.t_state < 0 || mypcb.t_state >= TCP6_NSTATES) printf("State: %d", mypcb.t_state); else printf("State: %s", tcp6states[mypcb.t_state]); printf(", flags 0x%x, in6pcb 0x%lx\n\n", mypcb.t_flags, (u_long)mypcb.t_in6pcb); printf("rxtshift %d, rxtcur %d, dupacks %d\n", mypcb.t_rxtshift, mypcb.t_rxtcur, mypcb.t_dupacks); #ifdef TCP6 printf("peermaxseg %u, maxseg %u, force %d\n\n", mypcb.t_peermaxseg, mypcb.t_maxseg, mypcb.t_force); #else printf("peermss %u, ourmss %u, segsz %u, segqlen %u\n\n", tcpcb.t_peermss, tcpcb.t_ourmss, tcpcb.t_segsz, tcpcb.t_segqlen); #endif printf("snd_una %u, snd_nxt %u, snd_up %u\n", mypcb.snd_una, mypcb.snd_nxt, mypcb.snd_up); printf("snd_wl1 %u, snd_wl2 %u, iss %u, snd_wnd %llu\n\n", mypcb.snd_wl1, mypcb.snd_wl2, mypcb.iss, (unsigned long long)mypcb.snd_wnd); printf("rcv_wnd %llu, rcv_nxt %u, rcv_up %u, irs %u\n\n", (unsigned long long)mypcb.rcv_wnd, mypcb.rcv_nxt, mypcb.rcv_up, mypcb.irs); printf("rcv_adv %u, snd_max %u, snd_cwnd %llu, snd_ssthresh %llu\n", mypcb.rcv_adv, mypcb.snd_max, (unsigned long long)mypcb.snd_cwnd, (unsigned long long)mypcb.snd_ssthresh); #ifdef TCP6 printf("idle %d, rtt %d, " mypcb.t_idle, mypcb.t_rtt); #else printf("rcvtime %u, rtttime %u, ", tcpcb.t_rcvtime, tcpcb.t_rtttime); #endif printf("rtseq %u, srtt %d, rttvar %d, rttmin %d, " "max_sndwnd %llu\n\n", mypcb.t_rtseq, mypcb.t_srtt, mypcb.t_rttvar, mypcb.t_rttmin, (unsigned long long)mypcb.max_sndwnd); printf("oobflags %d, iobc %d, softerror %d\n\n", mypcb.t_oobflags, mypcb.t_iobc, mypcb.t_softerror); printf("snd_scale %d, rcv_scale %d, req_r_scale %d, req_s_scale %d\n", mypcb.snd_scale, mypcb.rcv_scale, mypcb.request_r_scale, mypcb.requested_s_scale); printf("ts_recent %u, ts_regent_age %d, last_ack_sent %u\n", mypcb.ts_recent, mypcb.ts_recent_age, mypcb.last_ack_sent); } #endif /*INET6*/