Annotation of src/usr.bin/netstat/mroute6.c, Revision 1.12
1.12 ! mikeb 1: /* $OpenBSD: mroute6.c,v 1.11 2009/02/07 15:06:04 chl Exp $ */
1.1 itojun 2:
3: /*
4: * Copyright (C) 1998 WIDE Project.
5: * All rights reserved.
1.3 mickey 6: *
1.1 itojun 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.
1.3 mickey 18: *
1.1 itojun 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.
1.7 millert 48: * 3. Neither the name of the University nor the names of its contributors
1.1 itojun 49: * may be used to endorse or promote products derived from this software
50: * without specific prior written permission.
51: *
52: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
53: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
55: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
56: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
57: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
58: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
59: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
60: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
61: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
62: * SUCH DAMAGE.
63: *
64: * @(#)mroute.c 8.2 (Berkeley) 4/28/95
65: */
66:
67: #include <sys/param.h>
68: #include <sys/queue.h>
69: #include <sys/socket.h>
70: #include <sys/socketvar.h>
71: #include <sys/protosw.h>
1.10 deraadt 72: #include <sys/sysctl.h>
1.1 itojun 73:
74: #include <net/if.h>
1.12 ! mikeb 75: #include <net/if_var.h>
1.1 itojun 76:
77: #include <netinet/in.h>
78:
79: #define _KERNEL 1
80: #include <netinet6/ip6_mroute.h>
81: #undef _KERNEL
82:
1.11 chl 83: #include <err.h>
84: #include <errno.h>
1.1 itojun 85: #include <stdio.h>
86: #include "netstat.h"
87:
88: #define WID_ORG (lflag ? 39 : (nflag ? 29 : 18)) /* width of origin column */
89: #define WID_GRP (lflag ? 18 : (nflag ? 16 : 18)) /* width of group column */
90:
91: void
1.10 deraadt 92: mroute6pr(u_long mfcaddr, u_long mifaddr)
1.1 itojun 93: {
1.6 deraadt 94: int banner_printed, saved_nflag, waitings, i;
1.1 itojun 95: struct mf6c *mf6ctable[MF6CTBLSIZ], *mfcp;
1.6 deraadt 96: struct mif6 mif6table[MAXMIFS], *mifp;
97: struct rtdetq rte, *rtep;
98: mifi_t maxmif = 0, mifi;
1.1 itojun 99: struct mf6c mfc;
1.6 deraadt 100: u_int mrtproto;
1.10 deraadt 101: int mib[] = { CTL_NET, AF_INET6, IPPROTO_IPV6, IPV6CTL_MRTPROTO };
102: size_t len = sizeof(int);
1.1 itojun 103:
1.10 deraadt 104: if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
105: &mrtproto, &len, NULL, 0) == -1) {
106: if (errno != ENOPROTOOPT)
107: warn("mroute");
1.1 itojun 108: return;
109: }
110: switch (mrtproto) {
1.5 deraadt 111: case 0:
112: printf("no IPv6 multicast routing compiled into this system\n");
113: return;
114: case IPPROTO_PIM:
115: break;
116: default:
117: printf("IPv6 multicast routing protocol %u, unknown\n",
1.6 deraadt 118: mrtproto);
1.5 deraadt 119: return;
1.1 itojun 120: }
121:
122: if (mfcaddr == 0) {
123: printf("mf6ctable: symbol not in namelist\n");
124: return;
125: }
126: if (mifaddr == 0) {
127: printf("miftable: symbol not in namelist\n");
128: return;
129: }
130:
131: saved_nflag = nflag;
132: nflag = 1;
133:
1.8 jaredy 134: kread(mifaddr, &mif6table, sizeof(mif6table));
1.1 itojun 135: banner_printed = 0;
136: for (mifi = 0, mifp = mif6table; mifi < MAXMIFS; ++mifi, ++mifp) {
137: struct ifnet ifnet;
138: char ifname[IFNAMSIZ];
139:
140: if (mifp->m6_ifp == NULL)
141: continue;
142:
1.8 jaredy 143: kread((u_long)mifp->m6_ifp, &ifnet, sizeof(ifnet));
1.1 itojun 144: maxmif = mifi;
145: if (!banner_printed) {
146: printf("\nIPv6 Multicast Interface Table\n"
1.5 deraadt 147: " Mif Rate PhyIF "
148: "Pkts-In Pkts-Out\n");
1.1 itojun 149: banner_printed = 1;
150: }
151:
152: printf(" %2u %4d",
1.5 deraadt 153: mifi, mifp->m6_rate_limit);
1.1 itojun 154: printf(" %5s", (mifp->m6_flags & MIFF_REGISTER) ?
1.5 deraadt 155: "reg0" : if_indextoname(ifnet.if_index, ifname));
1.1 itojun 156:
1.9 henning 157: printf(" %9llu %9llu\n", mifp->m6_pkt_in, mifp->m6_pkt_out);
1.1 itojun 158: }
159: if (!banner_printed)
1.10 deraadt 160: printf("IPv6 Multicast Interface Table is empty\n");
1.1 itojun 161:
1.8 jaredy 162: kread(mfcaddr, &mf6ctable, sizeof(mf6ctable));
1.1 itojun 163: banner_printed = 0;
164: for (i = 0; i < MF6CTBLSIZ; ++i) {
165: mfcp = mf6ctable[i];
1.4 deraadt 166: while (mfcp) {
1.8 jaredy 167: kread((u_long)mfcp, &mfc, sizeof(mfc));
1.1 itojun 168: if (!banner_printed) {
1.10 deraadt 169: printf("\nIPv6 Multicast Forwarding Cache\n");
1.1 itojun 170: printf(" %-*.*s %-*.*s %s",
1.5 deraadt 171: WID_ORG, WID_ORG, "Origin",
172: WID_GRP, WID_GRP, "Group",
173: " Packets Waits In-Mif Out-Mifs\n");
1.1 itojun 174: banner_printed = 1;
175: }
1.3 mickey 176:
1.1 itojun 177: printf(" %-*.*s", WID_ORG, WID_ORG,
1.5 deraadt 178: routename6(&mfc.mf6c_origin));
1.1 itojun 179: printf(" %-*.*s", WID_GRP, WID_GRP,
1.5 deraadt 180: routename6(&mfc.mf6c_mcastgrp));
1.9 henning 181: printf(" %9llu", mfc.mf6c_pkt_cnt);
1.1 itojun 182:
183: for (waitings = 0, rtep = mfc.mf6c_stall; rtep; ) {
184: waitings++;
1.8 jaredy 185: kread((u_long)rtep, &rte, sizeof(rte));
1.1 itojun 186: rtep = rte.next;
187: }
188: printf(" %3d", waitings);
189:
190: if (mfc.mf6c_parent == MF6C_INCOMPLETE_PARENT)
191: printf(" --- ");
192: else
193: printf(" %3d ", mfc.mf6c_parent);
194: for (mifi = 0; mifi <= MAXMIFS; mifi++) {
195: if (IF_ISSET(mifi, &mfc.mf6c_ifset))
196: printf(" %u", mifi);
197: }
198: printf("\n");
199:
200: mfcp = mfc.mf6c_next;
201: }
202: }
203: if (!banner_printed)
1.10 deraadt 204: printf("IPv6 Multicast Routing Table is empty");
1.1 itojun 205:
206: printf("\n");
207: nflag = saved_nflag;
208: }
209:
210: void
1.10 deraadt 211: mrt6_stats(void)
1.1 itojun 212: {
1.10 deraadt 213: struct mrt6stat mrt6stat;
214: u_int mrt6proto;
215: int mib[] = { CTL_NET, AF_INET6, IPPROTO_IPV6, IPV6CTL_MRTPROTO };
216: int mib2[] = { CTL_NET, AF_INET6, IPPROTO_IPV6, IPV6CTL_MRTSTATS };
217: size_t len = sizeof(int);
218:
219: if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
220: &mrt6proto, &len, NULL, 0) == -1) {
221: if (errno != ENOPROTOOPT)
222: warn("mroute");
1.1 itojun 223: return;
224: }
1.10 deraadt 225: switch (mrt6proto) {
1.4 deraadt 226: case 0:
1.10 deraadt 227: printf("no IPv6 multicast routing compiled into this system\n");
228: return;
1.4 deraadt 229: case IPPROTO_PIM:
1.10 deraadt 230: break;
1.4 deraadt 231: default:
1.5 deraadt 232: printf("IPv6 multicast routing protocol %u, unknown\n",
1.10 deraadt 233: mrt6proto);
1.5 deraadt 234: return;
1.1 itojun 235: }
236:
1.10 deraadt 237: len = sizeof(mrt6stat);
238: if (sysctl(mib2, sizeof(mib2) / sizeof(mib2[0]),
239: &mrt6stat, &len, NULL, 0) == -1) {
240: if (errno != ENOPROTOOPT)
241: warn("mroute");
1.1 itojun 242: return;
243: }
244:
245: printf("multicast forwarding:\n");
1.10 deraadt 246: printf("\t%llu multicast forwarding cache lookup%s\n",
247: mrt6stat.mrt6s_mfc_lookups, plural(mrt6stat.mrt6s_mfc_lookups));
248: printf("\t%llu multicast forwarding cache miss%s\n",
249: mrt6stat.mrt6s_mfc_misses, plurales(mrt6stat.mrt6s_mfc_misses));
250: printf("\t%llu upcall%s to mrouted\n",
251: mrt6stat.mrt6s_upcalls, plural(mrt6stat.mrt6s_upcalls));
252: printf("\t%llu upcall queue overflow%s\n",
253: mrt6stat.mrt6s_upq_ovflw, plural(mrt6stat.mrt6s_upq_ovflw));
254: printf("\t%llu upcall%s dropped due to full socket buffer\n",
255: mrt6stat.mrt6s_upq_sockfull, plural(mrt6stat.mrt6s_upq_sockfull));
256: printf("\t%llu cache cleanup%s\n",
257: mrt6stat.mrt6s_cache_cleanups, plural(mrt6stat.mrt6s_cache_cleanups));
258: printf("\t%llu datagram%s with no route for origin\n",
259: mrt6stat.mrt6s_no_route, plural(mrt6stat.mrt6s_no_route));
260: printf("\t%llu datagram%s arrived with bad tunneling\n",
261: mrt6stat.mrt6s_bad_tunnel, plural(mrt6stat.mrt6s_bad_tunnel));
262: printf("\t%llu datagram%s could not be tunneled\n",
263: mrt6stat.mrt6s_cant_tunnel, plural(mrt6stat.mrt6s_cant_tunnel));
264: printf("\t%llu datagram%s arrived on wrong interface\n",
265: mrt6stat.mrt6s_wrong_if, plural(mrt6stat.mrt6s_wrong_if));
266: printf("\t%llu datagram%s selectively dropped\n",
267: mrt6stat.mrt6s_drop_sel, plural(mrt6stat.mrt6s_drop_sel));
268: printf("\t%llu datagram%s dropped due to queue overflow\n",
269: mrt6stat.mrt6s_q_overflow, plural(mrt6stat.mrt6s_q_overflow));
270: printf("\t%llu datagram%s dropped for being too large\n",
271: mrt6stat.mrt6s_pkt2large, plural(mrt6stat.mrt6s_pkt2large));
1.1 itojun 272: }
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