Annotation of src/usr.bin/netstat/mroute6.c, Revision 1.19
1.19 ! claudio 1: /* $OpenBSD: mroute6.c,v 1.18 2015/02/12 13:06:47 sthen 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>
1.17 claudio 78: #include <util.h>
1.1 itojun 79: #include "netstat.h"
80:
81: #define WID_ORG (lflag ? 39 : (nflag ? 29 : 18)) /* width of origin column */
82: #define WID_GRP (lflag ? 18 : (nflag ? 16 : 18)) /* width of group column */
83:
84: void
1.17 claudio 85: mroute6pr(void)
1.1 itojun 86: {
1.18 sthen 87: char *buf = NULL;
1.17 claudio 88: char fmtbuf[FMT_SCALED_STRSIZE];
89: struct mf6cinfo *mfc;
90: struct mif6info *mif;
91: size_t needed, mifi, nummifs, mfci, nummfcs;
92: int banner_printed, saved_nflag;
93: mifi_t maxmif = 0;
1.6 deraadt 94: u_int mrtproto;
1.13 guenther 95: int mib[] = { CTL_NET, PF_INET6, IPPROTO_IPV6, IPV6CTL_MRTPROTO };
1.10 deraadt 96: size_t len = sizeof(int);
1.1 itojun 97:
1.10 deraadt 98: if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
99: &mrtproto, &len, NULL, 0) == -1) {
100: if (errno != ENOPROTOOPT)
101: warn("mroute");
1.1 itojun 102: return;
103: }
104: switch (mrtproto) {
1.5 deraadt 105: case 0:
106: printf("no IPv6 multicast routing compiled into this system\n");
107: return;
108: case IPPROTO_PIM:
109: break;
110: default:
111: printf("IPv6 multicast routing protocol %u, unknown\n",
1.6 deraadt 112: mrtproto);
1.5 deraadt 113: return;
1.1 itojun 114: }
115:
116: saved_nflag = nflag;
117: nflag = 1;
118:
1.17 claudio 119: mib[3] = IPV6CTL_MRTMIF;
120: needed = get_sysctl(mib, sizeof(mib) / sizeof(mib[0]), &buf);
121: nummifs = needed / sizeof(*mif);
122: mif = (struct mif6info *)buf;
123: if (nummifs)
124: maxmif = mif[nummifs - 1].m6_mifi;
125:
1.1 itojun 126: banner_printed = 0;
1.17 claudio 127: for (mifi = 0; mifi < nummifs; ++mifi, ++mif) {
1.1 itojun 128: char ifname[IFNAMSIZ];
129:
1.17 claudio 130: if (mif->m6_ifindex == 0)
1.1 itojun 131: continue;
132:
133: if (!banner_printed) {
134: printf("\nIPv6 Multicast Interface Table\n"
1.5 deraadt 135: " Mif Rate PhyIF "
136: "Pkts-In Pkts-Out\n");
1.1 itojun 137: banner_printed = 1;
138: }
139:
140: printf(" %2u %4d",
1.17 claudio 141: mif->m6_mifi, mif->m6_rate_limit);
142: printf(" %5s", (mif->m6_flags & MIFF_REGISTER) ?
143: "reg0" : if_indextoname(mif->m6_ifindex, ifname));
1.1 itojun 144:
1.17 claudio 145: printf(" %9llu %9llu\n", mif->m6_pkt_in, mif->m6_pkt_out);
1.1 itojun 146: }
147: if (!banner_printed)
1.10 deraadt 148: printf("IPv6 Multicast Interface Table is empty\n");
1.1 itojun 149:
1.17 claudio 150: mib[3] = IPV6CTL_MRTMFC;
151: needed = get_sysctl(mib, sizeof(mib) / sizeof(mib[0]), &buf);
152: nummfcs = needed / sizeof(*mfc);
153: mfc = (struct mf6cinfo *)buf;
154:
1.1 itojun 155: banner_printed = 0;
1.17 claudio 156: for (mfci = 0; mfci < nummfcs; ++mfci, ++mfc) {
157: if (!banner_printed) {
158: printf("\nIPv6 Multicast Forwarding Cache\n");
159: printf(" %-*.*s %-*.*s %s",
160: WID_ORG, WID_ORG, "Origin",
161: WID_GRP, WID_GRP, "Group",
162: " Packets Waits In-Mif Out-Mifs\n");
163: banner_printed = 1;
164: }
1.1 itojun 165:
1.17 claudio 166: printf(" %-*.*s", WID_ORG, WID_ORG,
167: routename6(&mfc->mf6c_origin));
168: printf(" %-*.*s", WID_GRP, WID_GRP,
169: routename6(&mfc->mf6c_mcastgrp));
170: fmt_scaled(mfc->mf6c_pkt_cnt, fmtbuf);
171: printf(" %9s", fmtbuf);
172:
173: printf(" %3llu", mfc->mf6c_stall_cnt);
174:
175: if (mfc->mf6c_parent == MF6C_INCOMPLETE_PARENT)
176: printf(" --- ");
177: else
178: printf(" %3d ", mfc->mf6c_parent);
179: for (mifi = 0; mifi <= MAXMIFS; mifi++) {
180: if (IF_ISSET(mifi, &mfc->mf6c_ifset))
181: printf(" %zu", mifi);
1.1 itojun 182: }
1.17 claudio 183: printf("\n");
1.1 itojun 184: }
185: if (!banner_printed)
1.10 deraadt 186: printf("IPv6 Multicast Routing Table is empty");
1.1 itojun 187:
188: printf("\n");
189: nflag = saved_nflag;
1.19 ! claudio 190:
! 191: free(buf);
1.1 itojun 192: }
193:
194: void
1.10 deraadt 195: mrt6_stats(void)
1.1 itojun 196: {
1.10 deraadt 197: struct mrt6stat mrt6stat;
198: u_int mrt6proto;
1.13 guenther 199: int mib[] = { CTL_NET, PF_INET6, IPPROTO_IPV6, IPV6CTL_MRTPROTO };
200: int mib2[] = { CTL_NET, PF_INET6, IPPROTO_IPV6, IPV6CTL_MRTSTATS };
1.10 deraadt 201: size_t len = sizeof(int);
202:
203: if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
204: &mrt6proto, &len, NULL, 0) == -1) {
205: if (errno != ENOPROTOOPT)
206: warn("mroute");
1.1 itojun 207: return;
208: }
1.10 deraadt 209: switch (mrt6proto) {
1.4 deraadt 210: case 0:
1.10 deraadt 211: printf("no IPv6 multicast routing compiled into this system\n");
212: return;
1.4 deraadt 213: case IPPROTO_PIM:
1.10 deraadt 214: break;
1.4 deraadt 215: default:
1.5 deraadt 216: printf("IPv6 multicast routing protocol %u, unknown\n",
1.10 deraadt 217: mrt6proto);
1.5 deraadt 218: return;
1.1 itojun 219: }
220:
1.10 deraadt 221: len = sizeof(mrt6stat);
222: if (sysctl(mib2, sizeof(mib2) / sizeof(mib2[0]),
223: &mrt6stat, &len, NULL, 0) == -1) {
224: if (errno != ENOPROTOOPT)
225: warn("mroute");
1.1 itojun 226: return;
227: }
228:
229: printf("multicast forwarding:\n");
1.10 deraadt 230: printf("\t%llu multicast forwarding cache lookup%s\n",
231: mrt6stat.mrt6s_mfc_lookups, plural(mrt6stat.mrt6s_mfc_lookups));
232: printf("\t%llu multicast forwarding cache miss%s\n",
233: mrt6stat.mrt6s_mfc_misses, plurales(mrt6stat.mrt6s_mfc_misses));
234: printf("\t%llu upcall%s to mrouted\n",
235: mrt6stat.mrt6s_upcalls, plural(mrt6stat.mrt6s_upcalls));
236: printf("\t%llu upcall queue overflow%s\n",
237: mrt6stat.mrt6s_upq_ovflw, plural(mrt6stat.mrt6s_upq_ovflw));
238: printf("\t%llu upcall%s dropped due to full socket buffer\n",
239: mrt6stat.mrt6s_upq_sockfull, plural(mrt6stat.mrt6s_upq_sockfull));
240: printf("\t%llu cache cleanup%s\n",
241: mrt6stat.mrt6s_cache_cleanups, plural(mrt6stat.mrt6s_cache_cleanups));
242: printf("\t%llu datagram%s with no route for origin\n",
243: mrt6stat.mrt6s_no_route, plural(mrt6stat.mrt6s_no_route));
244: printf("\t%llu datagram%s arrived with bad tunneling\n",
245: mrt6stat.mrt6s_bad_tunnel, plural(mrt6stat.mrt6s_bad_tunnel));
246: printf("\t%llu datagram%s could not be tunneled\n",
247: mrt6stat.mrt6s_cant_tunnel, plural(mrt6stat.mrt6s_cant_tunnel));
248: printf("\t%llu datagram%s arrived on wrong interface\n",
249: mrt6stat.mrt6s_wrong_if, plural(mrt6stat.mrt6s_wrong_if));
250: printf("\t%llu datagram%s selectively dropped\n",
251: mrt6stat.mrt6s_drop_sel, plural(mrt6stat.mrt6s_drop_sel));
252: printf("\t%llu datagram%s dropped due to queue overflow\n",
253: mrt6stat.mrt6s_q_overflow, plural(mrt6stat.mrt6s_q_overflow));
254: printf("\t%llu datagram%s dropped for being too large\n",
255: mrt6stat.mrt6s_pkt2large, plural(mrt6stat.mrt6s_pkt2large));
1.1 itojun 256: }
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