/* $NetBSD: pfsync.c,v 1.1.48.2 2022/09/12 14:23:41 martin Exp $ */ /* * 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 __RCSID("$NetBSD: pfsync.c,v 1.1.48.2 2022/09/12 14:23:41 martin Exp $"); #endif /* not lint */ #define _CALLOUT_PRIVATE /* for defs in sys/callout.h */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef INET6 #include #endif #include #include #include #include #include #include #include #include #include #include #include "netstat.h" #include "prog_ops.h" /* * Dump PFSYNC statistics structure. */ void pfsync_stats(u_long off, const char *name) { uint64_t pfsyncstat[PFSYNC_NSTATS]; if (use_sysctl) { size_t size = sizeof(pfsyncstat); if (prog_sysctlbyname("net.inet.pfsync.stats", pfsyncstat, &size, NULL, 0) == -1) return; } else { warnx("%s stats not available via KVM.", name); return; } printf("%s:\n", name); #define p(f, m) if (pfsyncstat[f] || sflag <= 1) \ printf(m, pfsyncstat[f], plural(pfsyncstat[f])) #define p2(f, m) if (pfsyncstat[f] || sflag <= 1) \ printf(m, pfsyncstat[f]) p(PFSYNC_STAT_IPACKETS, "\t%" PRIu64 " packet%s received (IPv4)\n"); p(PFSYNC_STAT_IPACKETS6,"\t%" PRIu64 " packet%s received (IPv6)\n"); p(PFSYNC_STAT_BADIF, "\t\t%" PRIu64 " packet%s discarded for bad interface\n"); p(PFSYNC_STAT_BADTTL, "\t\t%" PRIu64 " packet%s discarded for bad ttl\n"); p(PFSYNC_STAT_HDROPS, "\t\t%" PRIu64 " packet%s shorter than header\n"); p(PFSYNC_STAT_BADVER, "\t\t%" PRIu64 " packet%s discarded for bad version\n"); p(PFSYNC_STAT_BADAUTH, "\t\t%" PRIu64 " packet%s discarded for bad HMAC\n"); p(PFSYNC_STAT_BADACT, "\t\t%" PRIu64 " packet%s discarded for bad action\n"); p(PFSYNC_STAT_BADLEN, "\t\t%" PRIu64 " packet%s discarded for short packet\n"); p(PFSYNC_STAT_BADVAL, "\t\t%" PRIu64 " state%s discarded for bad values\n"); p(PFSYNC_STAT_STALE, "\t\t%" PRIu64 " stale state%s\n"); p(PFSYNC_STAT_BADSTATE, "\t\t%" PRIu64 " failed state lookup/insert%s\n"); p(PFSYNC_STAT_OPACKETS, "\t%" PRIu64 " packet%s sent (IPv4)\n"); p(PFSYNC_STAT_OPACKETS6, "\t%" PRIu64 " packet%s sent (IPv6)\n"); p2(PFSYNC_STAT_ONOMEM, "\t\t%" PRIu64 " send failed due to mbuf memory error\n"); p2(PFSYNC_STAT_OERRORS, "\t\t%" PRIu64 " send error\n"); #undef p #undef p2 }