1539 lines
42 KiB
C
1539 lines
42 KiB
C
/* $NetBSD: inet6.c,v 1.73 2019/08/18 04:14:40 kamil Exp $ */
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/* BSDI inet.c,v 2.3 1995/10/24 02:19:29 prb Exp */
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/*
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* Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1983, 1988, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)inet.c 8.4 (Berkeley) 4/20/94";
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#else
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__RCSID("$NetBSD: inet6.c,v 1.73 2019/08/18 04:14:40 kamil Exp $");
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#endif
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#endif /* not lint */
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#define _CALLOUT_PRIVATE
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#include <sys/param.h>
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#include <sys/socket.h>
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#include <sys/socketvar.h>
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#include <sys/ioctl.h>
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#include <sys/mbuf.h>
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#include <sys/protosw.h>
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#include <sys/sysctl.h>
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#include <net/route.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <netinet/ip6.h>
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#include <netinet/icmp6.h>
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#include <netinet/in_systm.h>
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#ifndef TCP6
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#include <netinet/ip.h>
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#include <netinet/ip_var.h>
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#endif
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#include <netinet6/ip6_var.h>
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#include <netinet6/in6_pcb.h>
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#include <netinet6/in6_var.h>
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#ifdef TCP6
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#include <netinet/tcp6.h>
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#include <netinet/tcp6_seq.h>
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#define TCP6STATES
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#include <netinet/tcp6_fsm.h>
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#define TCP6TIMERS
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#include <netinet/tcp6_timer.h>
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#include <netinet/tcp6_var.h>
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#include <netinet/tcp6_debug.h>
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#else
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#define TCP6T_NTIMERS TCPT_NTIMERS
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#define tcp6timers tcptimers
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#define tcp6states tcpstates
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#define TCP6_NSTATES TCP_NSTATES
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#define tcp6cb tcpcb
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#include <netinet/tcp.h>
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#include <netinet/tcp_seq.h>
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#include <netinet/tcp_fsm.h>
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extern const char * const tcpstates[];
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extern const char * const tcptimers[];
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#include <netinet/tcp_timer.h>
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#include <netinet/tcp_var.h>
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#include <netinet/tcp_debug.h>
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#endif /*TCP6*/
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#include <netinet6/udp6.h>
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#include <netinet6/udp6_var.h>
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#include <netinet6/pim6_var.h>
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#include <netinet6/raw_ip6.h>
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#include <netinet/tcp_vtw.h>
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#include <arpa/inet.h>
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#if 0
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#include "gethostbyname2.h"
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#endif
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#include <netdb.h>
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#include <err.h>
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#include <errno.h>
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#include <kvm.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <util.h>
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#include "netstat.h"
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#include "vtw.h"
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#include "prog_ops.h"
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#ifdef INET6
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struct in6pcb in6pcb;
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#ifdef TCP6
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struct tcp6cb tcp6cb;
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#else
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struct tcpcb tcpcb;
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#endif
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struct socket sockb;
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char *inet6name(const struct in6_addr *);
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void inet6print(const struct in6_addr *, int, const char *);
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void print_vtw_v6(const vtw_t *);
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/*
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* Print a summary of connections related to an Internet
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* protocol. For TCP, also give state of connection.
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* Listening processes (aflag) are suppressed unless the
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* -a (all) flag is specified.
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*/
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static int width;
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static int compact;
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/* VTW-related variables. */
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static struct timeval now;
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static void
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ip6protoprhdr(void)
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{
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printf("Active Internet6 connections");
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if (aflag)
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printf(" (including servers)");
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putchar('\n');
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if (Aflag) {
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printf("%-8.8s ", "PCB");
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width = 18;
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}
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printf(
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Vflag ? "%-5.5s %-6.6s %-6.6s %*.*s %*.*s %-13.13s Expires\n"
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: "%-5.5s %-6.6s %-6.6s %*.*s %*.*s %s\n",
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"Proto", "Recv-Q", "Send-Q",
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-width, width, "Local Address",
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-width, width, "Foreign Address", "(state)");
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}
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static void
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ip6protopr0(intptr_t ppcb, u_long rcv_sb_cc, u_long snd_sb_cc,
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const struct in6_addr *laddr, u_int16_t lport,
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const struct in6_addr *faddr, u_int16_t fport,
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short t_state, const char *name, const struct timeval *expires)
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{
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static const char *shorttcpstates[] = {
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"CLOSED", "LISTEN", "SYNSEN", "SYSRCV",
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"ESTABL", "CLWAIT", "FWAIT1", "CLOSNG",
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"LASTAK", "FWAIT2", "TMWAIT",
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};
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int istcp;
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istcp = strcmp(name, "tcp6") == 0;
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if (Aflag)
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printf("%8" PRIxPTR " ", ppcb);
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printf("%-5.5s %6ld %6ld%s", name, rcv_sb_cc, snd_sb_cc,
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compact ? "" : " ");
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inet6print(laddr, (int)lport, name);
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inet6print(faddr, (int)fport, name);
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if (istcp) {
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#ifdef TCP6
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if (t_state < 0 || t_state >= TCP6_NSTATES)
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printf(" %d", t_state);
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else
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printf(" %s", tcp6states[t_state]);
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#else
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if (t_state < 0 || t_state >= TCP_NSTATES)
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printf(" %d", t_state);
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else
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printf(" %s", compact ? shorttcpstates[t_state] :
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tcpstates[t_state]);
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#endif
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}
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if (Vflag && expires != NULL) {
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if (expires->tv_sec == 0 && expires->tv_usec == -1)
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printf(" reclaimed");
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else {
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struct timeval delta;
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timersub(expires, &now, &delta);
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printf(" %.3fms",
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delta.tv_sec * 1000.0 + delta.tv_usec / 1000.0);
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}
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}
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putchar('\n');
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}
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static void
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dbg_printf(const char *fmt, ...)
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{
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return;
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}
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void
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print_vtw_v6(const vtw_t *vtw)
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{
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const vtw_v6_t *v6 = (const vtw_v6_t *)vtw;
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struct timeval delta;
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char buf[2][128];
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static const struct timeval zero = {.tv_sec = 0, .tv_usec = 0};
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inet_ntop(AF_INET6, &v6->laddr, buf[0], sizeof(buf[0]));
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inet_ntop(AF_INET6, &v6->faddr, buf[1], sizeof(buf[1]));
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timersub(&vtw->expire, &now, &delta);
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if (vtw->expire.tv_sec == 0 && vtw->expire.tv_usec == -1) {
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dbg_printf("%15.15s:%d %15.15s:%d reclaimed\n"
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,buf[0], ntohs(v6->lport)
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,buf[1], ntohs(v6->fport));
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if (!(Vflag && vflag))
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return;
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} else if (vtw->expire.tv_sec == 0)
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return;
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else if (timercmp(&delta, &zero, <) && !(Vflag && vflag)) {
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dbg_printf("%15.15s:%d %15.15s:%d expired\n"
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,buf[0], ntohs(v6->lport)
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,buf[1], ntohs(v6->fport));
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return;
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} else {
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dbg_printf("%15.15s:%d %15.15s:%d expires in %.3fms\n"
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,buf[0], ntohs(v6->lport)
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,buf[1], ntohs(v6->fport)
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,delta.tv_sec * 1000.0 + delta.tv_usec / 1000.0);
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}
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ip6protopr0(0, 0, 0,
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&v6->laddr, v6->lport,
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&v6->faddr, v6->fport,
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TCPS_TIME_WAIT, "tcp6", &vtw->expire);
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}
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static struct kinfo_pcb *
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getpcblist_kmem(u_long off, const char *name, size_t *len) {
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struct inpcbtable table;
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struct inpcb_hdr *next, *prev;
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int istcp = strcmp(name, "tcp6") == 0;
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struct kinfo_pcb *pcblist;
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size_t size = 100, i;
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struct sockaddr_in6 sin6;
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struct inpcbqueue *head;
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if (off == 0) {
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*len = 0;
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return NULL;
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}
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kread(off, (char *)&table, sizeof (table));
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head = &table.inpt_queue;
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next = TAILQ_FIRST(head);
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prev = TAILQ_END(head);
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if ((pcblist = malloc(size * sizeof(*pcblist))) == NULL)
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err(1, "malloc");
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i = 0;
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while (next != TAILQ_END(head)) {
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kread((u_long)next, (char *)&in6pcb, sizeof in6pcb);
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next = TAILQ_NEXT(&in6pcb, in6p_queue);
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prev = next;
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if (in6pcb.in6p_af != AF_INET6)
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continue;
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kread((u_long)in6pcb.in6p_socket, (char *)&sockb,
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sizeof (sockb));
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if (istcp) {
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#ifdef TCP6
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kread((u_long)in6pcb.in6p_ppcb,
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(char *)&tcp6cb, sizeof (tcp6cb));
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#else
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kread((u_long)in6pcb.in6p_ppcb,
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(char *)&tcpcb, sizeof (tcpcb));
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#endif
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}
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pcblist[i].ki_ppcbaddr =
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istcp ? (uintptr_t) in6pcb.in6p_ppcb : (uintptr_t) prev;
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pcblist[i].ki_rcvq = (uint64_t)sockb.so_rcv.sb_cc;
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pcblist[i].ki_sndq = (uint64_t)sockb.so_snd.sb_cc;
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sin6.sin6_addr = in6pcb.in6p_laddr;
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sin6.sin6_port = in6pcb.in6p_lport;
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memcpy(&pcblist[i].ki_s, &sin6, sizeof(sin6));
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sin6.sin6_addr = in6pcb.in6p_faddr;
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sin6.sin6_port = in6pcb.in6p_fport;
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memcpy(&pcblist[i].ki_d, &sin6, sizeof(sin6));
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pcblist[i].ki_tstate = tcpcb.t_state;
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if (i++ == size) {
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size += 100;
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struct kinfo_pcb *n = realloc(pcblist,
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size * sizeof(*pcblist));
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if (n == NULL)
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err(1, "realloc");
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pcblist = n;
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}
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}
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*len = i;
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return pcblist;
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}
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void
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ip6protopr(u_long off, const char *name)
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{
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struct kinfo_pcb *pcblist;
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size_t i, len;
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static int first = 1;
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compact = 0;
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if (Aflag) {
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if (!numeric_addr)
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width = 18;
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else {
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width = 21;
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compact = 1;
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}
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} else
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width = 22;
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if (use_sysctl)
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pcblist = getpcblist_sysctl(name, &len);
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else
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pcblist = getpcblist_kmem(off, name, &len);
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for (i = 0; i < len; i++) {
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struct sockaddr_in6 src, dst;
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memcpy(&src, &pcblist[i].ki_s, sizeof(src));
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memcpy(&dst, &pcblist[i].ki_d, sizeof(dst));
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if (!aflag && IN6_IS_ADDR_UNSPECIFIED(&dst.sin6_addr))
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continue;
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if (first) {
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ip6protoprhdr();
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first = 0;
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}
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ip6protopr0((intptr_t) pcblist[i].ki_ppcbaddr,
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pcblist[i].ki_rcvq, pcblist[i].ki_sndq,
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&src.sin6_addr, src.sin6_port,
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&dst.sin6_addr, dst.sin6_port,
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pcblist[i].ki_tstate, name, NULL);
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}
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free(pcblist);
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if (strcmp(name, "tcp6") == 0) {
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struct timeval t;
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timebase(&t);
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gettimeofday(&now, NULL);
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timersub(&now, &t, &now);
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show_vtw_v6(print_vtw_v6);
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}
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}
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#ifdef TCP6
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/*
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* Dump TCP6 statistics structure.
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*/
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void
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tcp6_stats(u_long off, const char *name)
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{
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struct tcp6stat tcp6stat;
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if (use_sysctl) {
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size_t size = sizeof(tcp6stat);
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if (prog_sysctlbyname("net.inet6.tcp6.stats", &tcp6stat, &size,
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NULL, 0) == -1)
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return;
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} else {
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warnx("%s stats not available via KVM.", name);
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return;
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}
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printf ("%s:\n", name);
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#define p(f, m) if (tcp6stat.f || sflag <= 1) \
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printf(m, tcp6stat.f, plural(tcp6stat.f))
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#define p2(f1, f2, m) if (tcp6stat.f1 || tcp6stat.f2 || sflag <= 1) \
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printf(m, tcp6stat.f1, plural(tcp6stat.f1), tcp6stat.f2, plural(tcp6stat.f2))
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#define p3(f, m) if (tcp6stat.f || sflag <= 1) \
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printf(m, tcp6stat.f, plurales(tcp6stat.f))
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p(tcp6s_sndtotal, "\t%ld packet%s sent\n");
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p2(tcp6s_sndpack,tcp6s_sndbyte,
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"\t\t%ld data packet%s (%ld byte%s)\n");
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p2(tcp6s_sndrexmitpack, tcp6s_sndrexmitbyte,
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"\t\t%ld data packet%s (%ld byte%s) retransmitted\n");
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p2(tcp6s_sndacks, tcp6s_delack,
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"\t\t%ld ack-only packet%s (%ld packet%s delayed)\n");
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p(tcp6s_sndurg, "\t\t%ld URG only packet%s\n");
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p(tcp6s_sndprobe, "\t\t%ld window probe packet%s\n");
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p(tcp6s_sndwinup, "\t\t%ld window update packet%s\n");
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p(tcp6s_sndctrl, "\t\t%ld control packet%s\n");
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p(tcp6s_rcvtotal, "\t%ld packet%s received\n");
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p2(tcp6s_rcvackpack, tcp6s_rcvackbyte, "\t\t%ld ack%s (for %ld byte%s)\n");
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p(tcp6s_rcvdupack, "\t\t%ld duplicate ack%s\n");
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p(tcp6s_rcvacktoomuch, "\t\t%ld ack%s for unsent data\n");
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p2(tcp6s_rcvpack, tcp6s_rcvbyte,
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"\t\t%ld packet%s (%ld byte%s) received in-sequence\n");
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p2(tcp6s_rcvduppack, tcp6s_rcvdupbyte,
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"\t\t%ld completely duplicate packet%s (%ld byte%s)\n");
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p(tcp6s_pawsdrop, "\t\t%ld old duplicate packet%s\n");
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p2(tcp6s_rcvpartduppack, tcp6s_rcvpartdupbyte,
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"\t\t%ld packet%s with some dup. data (%ld byte%s duped)\n");
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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_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*/
|