Annotation of src/usr.bin/netstat/mroute6.c, Revision 1.20
1.20 ! dcoppa 1: /* $OpenBSD: mroute6.c,v 1.19 2015/02/12 23:31:12 claudio 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:
1.15 deraadt 67: #include <sys/types.h>
1.1 itojun 68: #include <sys/socket.h>
1.10 deraadt 69: #include <sys/sysctl.h>
1.1 itojun 70:
71: #include <net/if.h>
72: #include <netinet/in.h>
73: #include <netinet6/ip6_mroute.h>
74:
1.11 chl 75: #include <err.h>
76: #include <errno.h>
1.1 itojun 77: #include <stdio.h>
1.20 ! dcoppa 78: #include <stdlib.h>
1.17 claudio 79: #include <util.h>
1.1 itojun 80: #include "netstat.h"
81:
82: #define WID_ORG (lflag ? 39 : (nflag ? 29 : 18)) /* width of origin column */
83: #define WID_GRP (lflag ? 18 : (nflag ? 16 : 18)) /* width of group column */
84:
85: void
1.17 claudio 86: mroute6pr(void)
1.1 itojun 87: {
1.18 sthen 88: char *buf = NULL;
1.17 claudio 89: char fmtbuf[FMT_SCALED_STRSIZE];
90: struct mf6cinfo *mfc;
91: struct mif6info *mif;
92: size_t needed, mifi, nummifs, mfci, nummfcs;
93: int banner_printed, saved_nflag;
94: mifi_t maxmif = 0;
1.6 deraadt 95: u_int mrtproto;
1.13 guenther 96: int mib[] = { CTL_NET, PF_INET6, IPPROTO_IPV6, IPV6CTL_MRTPROTO };
1.10 deraadt 97: size_t len = sizeof(int);
1.1 itojun 98:
1.10 deraadt 99: if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
100: &mrtproto, &len, NULL, 0) == -1) {
101: if (errno != ENOPROTOOPT)
102: warn("mroute");
1.1 itojun 103: return;
104: }
105: switch (mrtproto) {
1.5 deraadt 106: case 0:
107: printf("no IPv6 multicast routing compiled into this system\n");
108: return;
109: case IPPROTO_PIM:
110: break;
111: default:
112: printf("IPv6 multicast routing protocol %u, unknown\n",
1.6 deraadt 113: mrtproto);
1.5 deraadt 114: return;
1.1 itojun 115: }
116:
117: saved_nflag = nflag;
118: nflag = 1;
119:
1.17 claudio 120: mib[3] = IPV6CTL_MRTMIF;
121: needed = get_sysctl(mib, sizeof(mib) / sizeof(mib[0]), &buf);
122: nummifs = needed / sizeof(*mif);
123: mif = (struct mif6info *)buf;
124: if (nummifs)
125: maxmif = mif[nummifs - 1].m6_mifi;
126:
1.1 itojun 127: banner_printed = 0;
1.17 claudio 128: for (mifi = 0; mifi < nummifs; ++mifi, ++mif) {
1.1 itojun 129: char ifname[IFNAMSIZ];
130:
1.17 claudio 131: if (mif->m6_ifindex == 0)
1.1 itojun 132: continue;
133:
134: if (!banner_printed) {
135: printf("\nIPv6 Multicast Interface Table\n"
1.5 deraadt 136: " Mif Rate PhyIF "
137: "Pkts-In Pkts-Out\n");
1.1 itojun 138: banner_printed = 1;
139: }
140:
141: printf(" %2u %4d",
1.17 claudio 142: mif->m6_mifi, mif->m6_rate_limit);
143: printf(" %5s", (mif->m6_flags & MIFF_REGISTER) ?
144: "reg0" : if_indextoname(mif->m6_ifindex, ifname));
1.1 itojun 145:
1.17 claudio 146: printf(" %9llu %9llu\n", mif->m6_pkt_in, mif->m6_pkt_out);
1.1 itojun 147: }
148: if (!banner_printed)
1.10 deraadt 149: printf("IPv6 Multicast Interface Table is empty\n");
1.1 itojun 150:
1.17 claudio 151: mib[3] = IPV6CTL_MRTMFC;
152: needed = get_sysctl(mib, sizeof(mib) / sizeof(mib[0]), &buf);
153: nummfcs = needed / sizeof(*mfc);
154: mfc = (struct mf6cinfo *)buf;
155:
1.1 itojun 156: banner_printed = 0;
1.17 claudio 157: for (mfci = 0; mfci < nummfcs; ++mfci, ++mfc) {
158: if (!banner_printed) {
159: printf("\nIPv6 Multicast Forwarding Cache\n");
160: printf(" %-*.*s %-*.*s %s",
161: WID_ORG, WID_ORG, "Origin",
162: WID_GRP, WID_GRP, "Group",
163: " Packets Waits In-Mif Out-Mifs\n");
164: banner_printed = 1;
165: }
1.1 itojun 166:
1.17 claudio 167: printf(" %-*.*s", WID_ORG, WID_ORG,
168: routename6(&mfc->mf6c_origin));
169: printf(" %-*.*s", WID_GRP, WID_GRP,
170: routename6(&mfc->mf6c_mcastgrp));
171: fmt_scaled(mfc->mf6c_pkt_cnt, fmtbuf);
172: printf(" %9s", fmtbuf);
173:
174: printf(" %3llu", mfc->mf6c_stall_cnt);
175:
176: if (mfc->mf6c_parent == MF6C_INCOMPLETE_PARENT)
177: printf(" --- ");
178: else
179: printf(" %3d ", mfc->mf6c_parent);
180: for (mifi = 0; mifi <= MAXMIFS; mifi++) {
181: if (IF_ISSET(mifi, &mfc->mf6c_ifset))
182: printf(" %zu", mifi);
1.1 itojun 183: }
1.17 claudio 184: printf("\n");
1.1 itojun 185: }
186: if (!banner_printed)
1.10 deraadt 187: printf("IPv6 Multicast Routing Table is empty");
1.1 itojun 188:
189: printf("\n");
190: nflag = saved_nflag;
1.19 claudio 191:
192: free(buf);
1.1 itojun 193: }
194:
195: void
1.10 deraadt 196: mrt6_stats(void)
1.1 itojun 197: {
1.10 deraadt 198: struct mrt6stat mrt6stat;
199: u_int mrt6proto;
1.13 guenther 200: int mib[] = { CTL_NET, PF_INET6, IPPROTO_IPV6, IPV6CTL_MRTPROTO };
201: int mib2[] = { CTL_NET, PF_INET6, IPPROTO_IPV6, IPV6CTL_MRTSTATS };
1.10 deraadt 202: size_t len = sizeof(int);
203:
204: if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
205: &mrt6proto, &len, NULL, 0) == -1) {
206: if (errno != ENOPROTOOPT)
207: warn("mroute");
1.1 itojun 208: return;
209: }
1.10 deraadt 210: switch (mrt6proto) {
1.4 deraadt 211: case 0:
1.10 deraadt 212: printf("no IPv6 multicast routing compiled into this system\n");
213: return;
1.4 deraadt 214: case IPPROTO_PIM:
1.10 deraadt 215: break;
1.4 deraadt 216: default:
1.5 deraadt 217: printf("IPv6 multicast routing protocol %u, unknown\n",
1.10 deraadt 218: mrt6proto);
1.5 deraadt 219: return;
1.1 itojun 220: }
221:
1.10 deraadt 222: len = sizeof(mrt6stat);
223: if (sysctl(mib2, sizeof(mib2) / sizeof(mib2[0]),
224: &mrt6stat, &len, NULL, 0) == -1) {
225: if (errno != ENOPROTOOPT)
226: warn("mroute");
1.1 itojun 227: return;
228: }
229:
230: printf("multicast forwarding:\n");
1.10 deraadt 231: printf("\t%llu multicast forwarding cache lookup%s\n",
232: mrt6stat.mrt6s_mfc_lookups, plural(mrt6stat.mrt6s_mfc_lookups));
233: printf("\t%llu multicast forwarding cache miss%s\n",
234: mrt6stat.mrt6s_mfc_misses, plurales(mrt6stat.mrt6s_mfc_misses));
235: printf("\t%llu upcall%s to mrouted\n",
236: mrt6stat.mrt6s_upcalls, plural(mrt6stat.mrt6s_upcalls));
237: printf("\t%llu upcall queue overflow%s\n",
238: mrt6stat.mrt6s_upq_ovflw, plural(mrt6stat.mrt6s_upq_ovflw));
239: printf("\t%llu upcall%s dropped due to full socket buffer\n",
240: mrt6stat.mrt6s_upq_sockfull, plural(mrt6stat.mrt6s_upq_sockfull));
241: printf("\t%llu cache cleanup%s\n",
242: mrt6stat.mrt6s_cache_cleanups, plural(mrt6stat.mrt6s_cache_cleanups));
243: printf("\t%llu datagram%s with no route for origin\n",
244: mrt6stat.mrt6s_no_route, plural(mrt6stat.mrt6s_no_route));
245: printf("\t%llu datagram%s arrived with bad tunneling\n",
246: mrt6stat.mrt6s_bad_tunnel, plural(mrt6stat.mrt6s_bad_tunnel));
247: printf("\t%llu datagram%s could not be tunneled\n",
248: mrt6stat.mrt6s_cant_tunnel, plural(mrt6stat.mrt6s_cant_tunnel));
249: printf("\t%llu datagram%s arrived on wrong interface\n",
250: mrt6stat.mrt6s_wrong_if, plural(mrt6stat.mrt6s_wrong_if));
251: printf("\t%llu datagram%s selectively dropped\n",
252: mrt6stat.mrt6s_drop_sel, plural(mrt6stat.mrt6s_drop_sel));
253: printf("\t%llu datagram%s dropped due to queue overflow\n",
254: mrt6stat.mrt6s_q_overflow, plural(mrt6stat.mrt6s_q_overflow));
255: printf("\t%llu datagram%s dropped for being too large\n",
256: mrt6stat.mrt6s_pkt2large, plural(mrt6stat.mrt6s_pkt2large));
1.1 itojun 257: }