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mroute6.c revision 1.9
      1 /*	$NetBSD: mroute6.c,v 1.9 2002/06/02 15:25:42 itojun Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 1998 WIDE Project.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the project nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Copyright (c) 1989 Stephen Deering
     34  * Copyright (c) 1992, 1993
     35  *	The Regents of the University of California.  All rights reserved.
     36  *
     37  * This code is derived from software contributed to Berkeley by
     38  * Stephen Deering of Stanford University.
     39  *
     40  * Redistribution and use in source and binary forms, with or without
     41  * modification, are permitted provided that the following conditions
     42  * are met:
     43  * 1. Redistributions of source code must retain the above copyright
     44  *    notice, this list of conditions and the following disclaimer.
     45  * 2. Redistributions in binary form must reproduce the above copyright
     46  *    notice, this list of conditions and the following disclaimer in the
     47  *    documentation and/or other materials provided with the distribution.
     48  * 3. All advertising materials mentioning features or use of this software
     49  *    must display the following acknowledgement:
     50  *	This product includes software developed by the University of
     51  *	California, Berkeley and its contributors.
     52  * 4. Neither the name of the University nor the names of its contributors
     53  *    may be used to endorse or promote products derived from this software
     54  *    without specific prior written permission.
     55  *
     56  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     57  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     58  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     59  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     60  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     61  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     62  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     63  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     64  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     65  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     66  * SUCH DAMAGE.
     67  *
     68  *	@(#)mroute.c	8.2 (Berkeley) 4/28/95
     69  */
     70 
     71 #include <sys/param.h>
     72 #include <sys/queue.h>
     73 #include <sys/socket.h>
     74 #include <sys/socketvar.h>
     75 #include <sys/protosw.h>
     76 
     77 #include <net/if.h>
     78 
     79 #include <netinet/in.h>
     80 
     81 #define _KERNEL 1
     82 #include <netinet6/ip6_mroute.h>
     83 #undef _KERNEL
     84 
     85 #include <stdio.h>
     86 #include "netstat.h"
     87 
     88 #ifdef INET6
     89 
     90 #define	WID_ORG	(lflag ? 39 : (numeric_addr ? 29 : 18)) /* width of origin column */
     91 #define	WID_GRP	(lflag ? 18 : (numeric_addr ? 16 : 18)) /* width of group column */
     92 
     93 void
     94 mroute6pr(mrpaddr, mfcaddr, mifaddr)
     95 	u_long mrpaddr, mfcaddr, mifaddr;
     96 {
     97 	u_int mrtproto;
     98 	struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp;
     99 	struct mif6 mif6table[MAXMIFS];
    100 	struct mf6c mfc;
    101 	struct rtdetq rte, *rtep;
    102 	register struct mif6 *mifp;
    103 	register mifi_t mifi;
    104 	register int i;
    105 	register int banner_printed;
    106 	register int saved_numeric_addr;
    107 	mifi_t maxmif = 0;
    108 	int waitings;
    109 
    110 	if (mrpaddr == 0) {
    111 		printf("mroute6pr: symbol not in namelist\n");
    112 		return;
    113 	}
    114 
    115 	kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
    116 	switch (mrtproto) {
    117 	case 0:
    118 		printf("no IPv6 multicast routing compiled into this system\n");
    119 		return;
    120 
    121 	case IPPROTO_PIM:
    122 		break;
    123 
    124 	default:
    125 		printf("IPv6 multicast routing protocol %u, unknown\n",
    126 		    mrtproto);
    127 		return;
    128 	}
    129 
    130 	if (mfcaddr == 0) {
    131 		printf("mf6ctable: symbol not in namelist\n");
    132 		return;
    133 	}
    134 	if (mifaddr == 0) {
    135 		printf("miftable: symbol not in namelist\n");
    136 		return;
    137 	}
    138 
    139 	saved_numeric_addr = numeric_addr;
    140 	numeric_addr = 1;
    141 
    142 	kread(mifaddr, (char *)&mif6table, sizeof(mif6table));
    143 	banner_printed = 0;
    144 	for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
    145 		struct ifnet ifnet;
    146 		char ifname[IFNAMSIZ];
    147 
    148 		if (mifp->m6_ifp == NULL)
    149 			continue;
    150 
    151 		kread((u_long)mifp->m6_ifp, (char *)&ifnet, sizeof(ifnet));
    152 		maxmif = mifi;
    153 		if (!banner_printed) {
    154 			printf("\nIPv6 Multicast Interface Table\n"
    155 			    " Mif   Rate   PhyIF   Pkts-In   Pkts-Out\n");
    156 			banner_printed = 1;
    157 		}
    158 
    159 		printf("  %2u   %4d", mifi, mifp->m6_rate_limit);
    160 		printf("   %5s", (mifp->m6_flags & MIFF_REGISTER) ?
    161 		    "reg0" : if_indextoname(ifnet.if_index, ifname));
    162 
    163 		printf(" %9llu  %9llu\n", (unsigned long long)mifp->m6_pkt_in,
    164 		    (unsigned long long)mifp->m6_pkt_out);
    165 	}
    166 	if (!banner_printed)
    167 		printf("\nIPv6 Multicast Interface Table is empty\n");
    168 
    169 	kread(mfcaddr, (char *)&mf6ctable, sizeof(mf6ctable));
    170 	banner_printed = 0;
    171 	for (i = 0; i < MF6CTBLSIZ; ++i) {
    172 		mfcp = mf6ctable[i];
    173 		while(mfcp) {
    174 			kread((u_long)mfcp, (char *)&mfc, sizeof(mfc));
    175 			if (!banner_printed) {
    176 				printf ("\nIPv6 Multicast Forwarding Cache\n");
    177 				printf(" %-*.*s %-*.*s %s",
    178 				    WID_ORG, WID_ORG, "Origin",
    179 				    WID_GRP, WID_GRP, "Group",
    180 				    "  Packets Waits In-Mif  Out-Mifs\n");
    181 				banner_printed = 1;
    182 			}
    183 
    184 			printf(" %-*.*s", WID_ORG, WID_ORG,
    185 			    routename6(&mfc.mf6c_origin));
    186 			printf(" %-*.*s", WID_GRP, WID_GRP,
    187 			    routename6(&mfc.mf6c_mcastgrp));
    188 			printf(" %9llu", (unsigned long long)mfc.mf6c_pkt_cnt);
    189 
    190 			for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) {
    191 				waitings++;
    192 				kread((u_long)rtep, (char *)&rte, sizeof(rte));
    193 				rtep = rte.next;
    194 			}
    195 			printf("   %3d", waitings);
    196 
    197 			if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT)
    198 				printf("  ---   ");
    199 			else
    200 				printf("  %3d   ", mfc.mf6c_parent);
    201 			for (mifi = 0; mifi <= MAXMIFS; mifi++) {
    202 				if (IF_ISSET(mifi, &mfc.mf6c_ifset))
    203 					printf(" %u", mifi);
    204 			}
    205 			printf("\n");
    206 
    207 			mfcp = mfc.mf6c_next;
    208 		}
    209 	}
    210 	if (!banner_printed)
    211 		printf("\nIPv6 Multicast Routing Table is empty\n");
    212 
    213 	printf("\n");
    214 	numeric_addr = saved_numeric_addr;
    215 }
    216 
    217 void
    218 mrt6_stats(mrpaddr, mstaddr)
    219 	u_long mrpaddr, mstaddr;
    220 {
    221 #define	p(f, m) printf(m, (unsigned long long)mrtstat.f, plural(mrtstat.f))
    222 #define	pes(f, m) printf(m, (unsigned long long)mrtstat.f, plurales(mrtstat.f))
    223 	u_int mrtproto;
    224 	struct mrt6stat mrtstat;
    225 
    226 	if (mrpaddr == 0) {
    227 		printf("mrt6_stats: symbol not in namelist\n");
    228 		return;
    229 	}
    230 
    231 	kread(mrpaddr, (char *)&mrtproto, sizeof(mrtproto));
    232 	switch (mrtproto) {
    233 	case 0:
    234 		printf("no IPv6 multicast routing compiled into this system\n");
    235 		return;
    236 
    237 	case IPPROTO_PIM:
    238 		break;
    239 
    240 	default:
    241 		printf("IPv6 multicast routing protocol %u, unknown\n",
    242 			mrtproto);
    243 		return;
    244 	}
    245 
    246 	if (mstaddr == 0) {
    247 		printf("mrt6_stats: symbol not in namelist\n");
    248 		return;
    249 	}
    250 
    251 	kread(mstaddr, (char *)&mrtstat, sizeof(mrtstat));
    252 	printf("multicast forwarding:\n");
    253 	p(mrt6s_mfc_lookups, " %10llu multicast forwarding cache lookup%s\n");
    254 	pes(mrt6s_mfc_misses, " %10llu multicast forwarding cache miss%s\n");
    255 	p(mrt6s_upcalls, " %10llu upcall%s to mrouted\n");
    256 	p(mrt6s_upq_ovflw, " %10llu upcall llueue overflow%s\n");
    257 	p(mrt6s_upq_sockfull,
    258 	    " %10llu upcall%s dropped due to full socket buffer\n");
    259 	p(mrt6s_cache_cleanups, " %10llu cache cleanup%s\n");
    260 	p(mrt6s_no_route, " %10llu datagram%s with no route for origin\n");
    261 	p(mrt6s_bad_tunnel, " %10llu datagram%s arrived with bad tunneling\n");
    262 	p(mrt6s_cant_tunnel, " %10llu datagram%s could not be tunneled\n");
    263 	p(mrt6s_wrong_if, " %10llu datagram%s arrived on wrong interface\n");
    264 	p(mrt6s_drop_sel, " %10llu datagram%s selectively dropped\n");
    265 	p(mrt6s_q_overflow,
    266 	    " %10llu datagram%s dropped due to llueue overflow\n");
    267 	p(mrt6s_pkt2large, " %10llu datagram%s dropped for being too large\n");
    268 #undef p
    269 #undef pes
    270 }
    271 #endif /*INET6*/
    272