diff options
Diffstat (limited to 'usr.bin/netstat/inet.c')
-rw-r--r-- | usr.bin/netstat/inet.c | 121 |
1 files changed, 101 insertions, 20 deletions
diff --git a/usr.bin/netstat/inet.c b/usr.bin/netstat/inet.c index fd95a88..9d82ef3 100644 --- a/usr.bin/netstat/inet.c +++ b/usr.bin/netstat/inet.c @@ -997,32 +997,30 @@ icmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) } } +#ifndef BURN_BRIDGES /* - * Dump IGMP statistics structure. + * Dump IGMP statistics structure (pre 8.x kernel). */ -void -igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) +static void +igmp_stats_live_old(u_long off, const char *name) { - struct igmpstat igmpstat, zerostat; - size_t len = sizeof igmpstat; - - if (live) { - if (zflag) - memset(&zerostat, 0, len); - if (sysctlbyname("net.inet.igmp.stats", &igmpstat, &len, - zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { - warn("sysctl: net.inet.igmp.stats"); - return; - } - } else - kread(off, &igmpstat, len); + struct oigmpstat oigmpstat, zerostat; + size_t len = sizeof(oigmpstat); + + if (zflag) + memset(&zerostat, 0, len); + if (sysctlbyname("net.inet.igmp.stats", &oigmpstat, &len, + zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { + warn("sysctl: net.inet.igmp.stats"); + return; + } printf("%s:\n", name); -#define p(f, m) if (igmpstat.f || sflag <= 1) \ - printf(m, igmpstat.f, plural(igmpstat.f)) -#define py(f, m) if (igmpstat.f || sflag <= 1) \ - printf(m, igmpstat.f, igmpstat.f != 1 ? "ies" : "y") +#define p(f, m) if (oigmpstat.f || sflag <= 1) \ + printf(m, oigmpstat.f, plural(oigmpstat.f)) +#define py(f, m) if (oigmpstat.f || sflag <= 1) \ + printf(m, oigmpstat.f, oigmpstat.f != 1 ? "ies" : "y") p(igps_rcv_total, "\t%u message%s received\n"); p(igps_rcv_tooshort, "\t%u message%s received with too few bytes\n"); p(igps_rcv_badsum, "\t%u message%s received with bad checksum\n"); @@ -1038,6 +1036,89 @@ igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) #undef p #undef py } +#endif /* !BURN_BRIDGES */ + +/* + * Dump IGMP statistics structure. + */ +void +igmp_stats(u_long off, const char *name, int af1 __unused, int proto __unused) +{ + struct igmpstat igmpstat, zerostat; + size_t len; + +#ifndef BURN_BRIDGES + if (live) { + /* + * Detect if we are being run against a pre-IGMPv3 kernel. + * We cannot do this for a core file as the legacy + * struct igmpstat has no size field, nor does it + * export it in any readily-available symbols. + */ + len = 0; + if (sysctlbyname("net.inet.igmp.stats", NULL, &len, NULL, + 0) < 0) { + warn("sysctl: net.inet.igmp.stats"); + return; + } + if (len < sizeof(igmpstat)) { + igmp_stats_live_old(off, name); + return; + } + } +#endif /* !BURN_BRIDGES */ + + len = sizeof(igmpstat); + if (live) { + if (zflag) + memset(&zerostat, 0, len); + if (sysctlbyname("net.inet.igmp.stats", &igmpstat, &len, + zflag ? &zerostat : NULL, zflag ? len : 0) < 0) { + warn("sysctl: net.inet.igmp.stats"); + return; + } + } else { + len = sizeof(igmpstat); + kread(off, &igmpstat, len); + } + + if (igmpstat.igps_version != IGPS_VERSION_3) { + warnx("%s: version mismatch (%d != %d)", __func__, + igmpstat.igps_version, IGPS_VERSION_3); + } + if (igmpstat.igps_len != IGPS_VERSION3_LEN) { + warnx("%s: size mismatch (%d != %d)", __func__, + igmpstat.igps_len, IGPS_VERSION3_LEN); + } + + printf("%s:\n", name); + +#define p64(f, m) if (igmpstat.f || sflag <= 1) \ + printf(m, (uintmax_t) igmpstat.f, plural(igmpstat.f)) +#define py64(f, m) if (igmpstat.f || sflag <= 1) \ + printf(m, (uintmax_t) igmpstat.f, pluralies(igmpstat.f)) + p64(igps_rcv_total, "\t%ju message%s received\n"); + p64(igps_rcv_tooshort, "\t%ju message%s received with too few bytes\n"); + p64(igps_rcv_badttl, "\t%ju message%s received with wrong TTL\n"); + p64(igps_rcv_badsum, "\t%ju message%s received with bad checksum\n"); + py64(igps_rcv_v1v2_queries, "\t%ju V1/V2 membership quer%s received\n"); + py64(igps_rcv_v3_queries, "\t%ju V3 membership quer%s received\n"); + py64(igps_rcv_badqueries, + "\t%ju membership quer%s received with invalid field(s)\n"); + py64(igps_rcv_gen_queries, "\t%ju general quer%s received\n"); + py64(igps_rcv_group_queries, "\t%ju group quer%s received\n"); + py64(igps_rcv_gsr_queries, "\t%ju group-source quer%s received\n"); + py64(igps_drop_gsr_queries, "\t%ju group-source quer%s dropped\n"); + p64(igps_rcv_reports, "\t%ju membership report%s received\n"); + p64(igps_rcv_badreports, + "\t%ju membership report%s received with invalid field(s)\n"); + p64(igps_rcv_ourreports, +"\t%ju membership report%s received for groups to which we belong\n"); + p64(igps_rcv_nora, "\t%ju V3 report%s received without Router Alert\n"); + p64(igps_snd_reports, "\t%ju membership report%s sent\n"); +#undef p64 +#undef py64 +} /* * Dump PIM statistics structure. |