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Diffstat (limited to 'usr.bin/netstat/mroute6.c')
| -rw-r--r-- | usr.bin/netstat/mroute6.c | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/usr.bin/netstat/mroute6.c b/usr.bin/netstat/mroute6.c new file mode 100644 index 000000000000..0bb44b8292e7 --- /dev/null +++ b/usr.bin/netstat/mroute6.c @@ -0,0 +1,274 @@ +/*- + * SPDX-License-Identifier: BSD-4-Clause AND BSD-3-Clause + * + * Copyright (C) 1998 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) 1989 Stephen Deering + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Stephen Deering of Stanford University. + * + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. 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 <sys/cdefs.h> +#ifdef INET6 +#include <sys/param.h> +#include <sys/queue.h> +#include <sys/socket.h> +#include <sys/sysctl.h> +#include <sys/mbuf.h> +#include <sys/time.h> + +#include <net/if.h> +#include <net/route.h> + +#include <netinet/in.h> + +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdbool.h> +#include <libxo/xo.h> + +#define KERNEL 1 +struct sockopt; +#include <netinet6/ip6_mroute.h> +#undef KERNEL + +#include "netstat.h" + +#define WID_ORG (Wflag ? 39 : (numeric_addr ? 29 : 18)) /* width of origin column */ +#define WID_GRP (Wflag ? 18 : (numeric_addr ? 16 : 18)) /* width of group column */ + +void +mroute6pr(void) +{ + struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp; + struct mif6_sctl mif6table[MAXMIFS]; + struct mf6c mfc; + struct rtdetq rte, *rtep; + struct mif6_sctl *mifp; + mifi_t mifi; + int i; + int banner_printed; + int saved_numeric_addr; + mifi_t maxmif = 0; + long int waitings; + size_t len; + + if (live == 0) + return; + + len = sizeof(mif6table); + if (sysctlbyname("net.inet6.ip6.mif6table", mif6table, &len, NULL, 0) < + 0) { + xo_warn("sysctl: net.inet6.ip6.mif6table"); + return; + } + + saved_numeric_addr = numeric_addr; + numeric_addr = 1; + banner_printed = 0; + + for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) { + char ifname[IFNAMSIZ]; + + if (mifp->m6_ifp == 0) + continue; + + maxmif = mifi; + if (!banner_printed) { + xo_open_list("multicast-interface"); + xo_emit("\n{T:IPv6 Multicast Interface Table}\n" + "{T: Mif Rate PhyIF Pkts-In Pkts-Out}\n"); + banner_printed = 1; + } + + xo_open_instance("multicast-interface"); + xo_emit(" {:mif/%2u} {:rate-limit/%4d}", + mifi, mifp->m6_rate_limit); + xo_emit(" {:ifname/%5s}", (mifp->m6_flags & MIFF_REGISTER) ? + "reg0" : if_indextoname(mifp->m6_ifp, ifname)); + + xo_emit(" {:received-packets/%9ju} {:sent-packets/%9ju}\n", + (uintmax_t)mifp->m6_pkt_in, + (uintmax_t)mifp->m6_pkt_out); + xo_close_instance("multicast-interface"); + } + if (banner_printed) + xo_open_list("multicast-interface"); + else + xo_emit("\n{T:IPv6 Multicast Interface Table is empty}\n"); + + len = sizeof(mf6ctable); + if (sysctlbyname("net.inet6.ip6.mf6ctable", mf6ctable, &len, NULL, 0) < + 0) { + xo_warn("sysctl: net.inet6.ip6.mf6ctable"); + return; + } + + banner_printed = 0; + + for (i = 0; i < MF6CTBLSIZ; ++i) { + mfcp = mf6ctable[i]; + while(mfcp) { + kread((u_long)mfcp, (char *)&mfc, sizeof(mfc)); + if (!banner_printed) { + xo_open_list("multicast-forwarding-cache"); + xo_emit("\n" + "{T:IPv6 Multicast Forwarding Cache}\n"); + xo_emit(" {T:%-*.*s} {T:%-*.*s} {T:%s}", + WID_ORG, WID_ORG, "Origin", + WID_GRP, WID_GRP, "Group", + " Packets Waits In-Mif Out-Mifs\n"); + banner_printed = 1; + } + + xo_open_instance("multicast-forwarding-cache"); + + xo_emit(" {:origin/%-*.*s}", WID_ORG, WID_ORG, + routename(sin6tosa(&mfc.mf6c_origin), + numeric_addr)); + xo_emit(" {:group/%-*.*s}", WID_GRP, WID_GRP, + routename(sin6tosa(&mfc.mf6c_mcastgrp), + numeric_addr)); + xo_emit(" {:total-packets/%9ju}", + (uintmax_t)mfc.mf6c_pkt_cnt); + + for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) { + waitings++; + /* XXX KVM */ + kread((u_long)rtep, (char *)&rte, sizeof(rte)); + rtep = rte.next; + } + xo_emit(" {:waitings/%3ld}", waitings); + + if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT) + xo_emit(" --- "); + else + xo_emit(" {:parent/%3d} ", mfc.mf6c_parent); + xo_open_list("mif"); + for (mifi = 0; mifi <= maxmif; mifi++) { + if (IF_ISSET(mifi, &mfc.mf6c_ifset)) + xo_emit(" {l:%u}", mifi); + } + xo_close_list("mif"); + xo_emit("\n"); + + mfcp = mfc.mf6c_next; + xo_close_instance("multicast-forwarding-cache"); + } + } + if (banner_printed) + xo_close_list("multicast-forwarding-cache"); + else + xo_emit("\n{T:IPv6 Multicast Forwarding Table is empty}\n"); + + xo_emit("\n"); + numeric_addr = saved_numeric_addr; +} + +void +mrt6_stats(void) +{ + struct mrt6stat mrtstat; + + if (fetch_stats("net.inet6.ip6.mrt6stat", 0, &mrtstat, + sizeof(mrtstat), kread_counters) != 0) + return; + + xo_open_container("multicast-statistics"); + xo_emit("{T:IPv6 multicast forwarding}:\n"); + +#define p(f, m) if (mrtstat.f || sflag <= 1) \ + xo_emit(m, (uintmax_t)mrtstat.f, plural(mrtstat.f)) +#define p2(f, m) if (mrtstat.f || sflag <= 1) \ + xo_emit(m, (uintmax_t)mrtstat.f, plurales(mrtstat.f)) + + p(mrt6s_mfc_lookups, "\t{:cache-lookups/%ju} " + "{N:/multicast forwarding cache lookup%s}\n"); + p2(mrt6s_mfc_misses, "\t{:cache-misses/%ju} " + "{N:/multicast forwarding cache miss%s}\n"); + p(mrt6s_upcalls, "\t{:upcalls/%ju} " + "{N:/upcall%s to multicast routing daemon}\n"); + p(mrt6s_upq_ovflw, "\t{:upcall-overflows/%ju} " + "{N:/upcall queue overflow%s}\n"); + p(mrt6s_upq_sockfull, "\t{:upcalls-dropped-full-buffer/%ju} " + "{N:/upcall%s dropped due to full socket buffer}\n"); + p(mrt6s_cache_cleanups, "\t{:cache-cleanups/%ju} " + "{N:/cache cleanup%s}\n"); + p(mrt6s_no_route, "\t{:dropped-no-origin/%ju} " + "{N:/datagram%s with no route for origin}\n"); + p(mrt6s_bad_tunnel, "\t{:dropped-bad-tunnel/%ju} " + "{N:/datagram%s arrived with bad tunneling}\n"); + p(mrt6s_cant_tunnel, "\t{:dropped-could-not-tunnel/%ju} " + "{N:/datagram%s could not be tunneled}\n"); + p(mrt6s_wrong_if, "\t{:dropped-wrong-incoming-interface/%ju} " + "{N:/datagram%s arrived on wrong interface}\n"); + p(mrt6s_drop_sel, "\t{:dropped-selectively/%ju} " + "{N:/datagram%s selectively dropped}\n"); + p(mrt6s_q_overflow, "\t{:dropped-queue-overflow/%ju} " + "{N:/datagram%s dropped due to queue overflow}\n"); + p(mrt6s_pkt2large, "\t{:dropped-too-large/%ju} " + "{N:/datagram%s dropped for being too large}\n"); + +#undef p2 +#undef p + xo_close_container("multicast-statistics"); +} +#endif /*INET6*/ |