Annotation of src/usr.bin/netstat/mroute6.c, Revision 1.21
1.21 ! guenther 1: /* $OpenBSD: mroute6.c,v 1.20 2015/02/13 13:28:17 dcoppa 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>
1.21 ! guenther 68: #include <sys/select.h>
1.1 itojun 69: #include <sys/socket.h>
1.10 deraadt 70: #include <sys/sysctl.h>
1.1 itojun 71:
72: #include <net/if.h>
73: #include <netinet/in.h>
74: #include <netinet6/ip6_mroute.h>
75:
1.11 chl 76: #include <err.h>
77: #include <errno.h>
1.1 itojun 78: #include <stdio.h>
1.20 dcoppa 79: #include <stdlib.h>
1.17 claudio 80: #include <util.h>
1.1 itojun 81: #include "netstat.h"
82:
83: #define WID_ORG (lflag ? 39 : (nflag ? 29 : 18)) /* width of origin column */
84: #define WID_GRP (lflag ? 18 : (nflag ? 16 : 18)) /* width of group column */
85:
86: void
1.17 claudio 87: mroute6pr(void)
1.1 itojun 88: {
1.18 sthen 89: char *buf = NULL;
1.17 claudio 90: char fmtbuf[FMT_SCALED_STRSIZE];
91: struct mf6cinfo *mfc;
92: struct mif6info *mif;
93: size_t needed, mifi, nummifs, mfci, nummfcs;
94: int banner_printed, saved_nflag;
95: mifi_t maxmif = 0;
1.6 deraadt 96: u_int mrtproto;
1.13 guenther 97: int mib[] = { CTL_NET, PF_INET6, IPPROTO_IPV6, IPV6CTL_MRTPROTO };
1.10 deraadt 98: size_t len = sizeof(int);
1.1 itojun 99:
1.10 deraadt 100: if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
101: &mrtproto, &len, NULL, 0) == -1) {
102: if (errno != ENOPROTOOPT)
103: warn("mroute");
1.1 itojun 104: return;
105: }
106: switch (mrtproto) {
1.5 deraadt 107: case 0:
108: printf("no IPv6 multicast routing compiled into this system\n");
109: return;
110: case IPPROTO_PIM:
111: break;
112: default:
113: printf("IPv6 multicast routing protocol %u, unknown\n",
1.6 deraadt 114: mrtproto);
1.5 deraadt 115: return;
1.1 itojun 116: }
117:
118: saved_nflag = nflag;
119: nflag = 1;
120:
1.17 claudio 121: mib[3] = IPV6CTL_MRTMIF;
122: needed = get_sysctl(mib, sizeof(mib) / sizeof(mib[0]), &buf);
123: nummifs = needed / sizeof(*mif);
124: mif = (struct mif6info *)buf;
125: if (nummifs)
126: maxmif = mif[nummifs - 1].m6_mifi;
127:
1.1 itojun 128: banner_printed = 0;
1.17 claudio 129: for (mifi = 0; mifi < nummifs; ++mifi, ++mif) {
1.1 itojun 130: char ifname[IFNAMSIZ];
131:
1.17 claudio 132: if (mif->m6_ifindex == 0)
1.1 itojun 133: continue;
134:
135: if (!banner_printed) {
136: printf("\nIPv6 Multicast Interface Table\n"
1.5 deraadt 137: " Mif Rate PhyIF "
138: "Pkts-In Pkts-Out\n");
1.1 itojun 139: banner_printed = 1;
140: }
141:
142: printf(" %2u %4d",
1.17 claudio 143: mif->m6_mifi, mif->m6_rate_limit);
144: printf(" %5s", (mif->m6_flags & MIFF_REGISTER) ?
145: "reg0" : if_indextoname(mif->m6_ifindex, ifname));
1.1 itojun 146:
1.17 claudio 147: printf(" %9llu %9llu\n", mif->m6_pkt_in, mif->m6_pkt_out);
1.1 itojun 148: }
149: if (!banner_printed)
1.10 deraadt 150: printf("IPv6 Multicast Interface Table is empty\n");
1.1 itojun 151:
1.17 claudio 152: mib[3] = IPV6CTL_MRTMFC;
153: needed = get_sysctl(mib, sizeof(mib) / sizeof(mib[0]), &buf);
154: nummfcs = needed / sizeof(*mfc);
155: mfc = (struct mf6cinfo *)buf;
156:
1.1 itojun 157: banner_printed = 0;
1.17 claudio 158: for (mfci = 0; mfci < nummfcs; ++mfci, ++mfc) {
159: if (!banner_printed) {
160: printf("\nIPv6 Multicast Forwarding Cache\n");
161: printf(" %-*.*s %-*.*s %s",
162: WID_ORG, WID_ORG, "Origin",
163: WID_GRP, WID_GRP, "Group",
164: " Packets Waits In-Mif Out-Mifs\n");
165: banner_printed = 1;
166: }
1.1 itojun 167:
1.17 claudio 168: printf(" %-*.*s", WID_ORG, WID_ORG,
169: routename6(&mfc->mf6c_origin));
170: printf(" %-*.*s", WID_GRP, WID_GRP,
171: routename6(&mfc->mf6c_mcastgrp));
172: fmt_scaled(mfc->mf6c_pkt_cnt, fmtbuf);
173: printf(" %9s", fmtbuf);
174:
175: printf(" %3llu", mfc->mf6c_stall_cnt);
176:
177: if (mfc->mf6c_parent == MF6C_INCOMPLETE_PARENT)
178: printf(" --- ");
179: else
180: printf(" %3d ", mfc->mf6c_parent);
181: for (mifi = 0; mifi <= MAXMIFS; mifi++) {
182: if (IF_ISSET(mifi, &mfc->mf6c_ifset))
183: printf(" %zu", mifi);
1.1 itojun 184: }
1.17 claudio 185: printf("\n");
1.1 itojun 186: }
187: if (!banner_printed)
1.10 deraadt 188: printf("IPv6 Multicast Routing Table is empty");
1.1 itojun 189:
190: printf("\n");
191: nflag = saved_nflag;
1.19 claudio 192:
193: free(buf);
1.1 itojun 194: }
195:
196: void
1.10 deraadt 197: mrt6_stats(void)
1.1 itojun 198: {
1.10 deraadt 199: struct mrt6stat mrt6stat;
200: u_int mrt6proto;
1.13 guenther 201: int mib[] = { CTL_NET, PF_INET6, IPPROTO_IPV6, IPV6CTL_MRTPROTO };
202: int mib2[] = { CTL_NET, PF_INET6, IPPROTO_IPV6, IPV6CTL_MRTSTATS };
1.10 deraadt 203: size_t len = sizeof(int);
204:
205: if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
206: &mrt6proto, &len, NULL, 0) == -1) {
207: if (errno != ENOPROTOOPT)
208: warn("mroute");
1.1 itojun 209: return;
210: }
1.10 deraadt 211: switch (mrt6proto) {
1.4 deraadt 212: case 0:
1.10 deraadt 213: printf("no IPv6 multicast routing compiled into this system\n");
214: return;
1.4 deraadt 215: case IPPROTO_PIM:
1.10 deraadt 216: break;
1.4 deraadt 217: default:
1.5 deraadt 218: printf("IPv6 multicast routing protocol %u, unknown\n",
1.10 deraadt 219: mrt6proto);
1.5 deraadt 220: return;
1.1 itojun 221: }
222:
1.10 deraadt 223: len = sizeof(mrt6stat);
224: if (sysctl(mib2, sizeof(mib2) / sizeof(mib2[0]),
225: &mrt6stat, &len, NULL, 0) == -1) {
226: if (errno != ENOPROTOOPT)
227: warn("mroute");
1.1 itojun 228: return;
229: }
230:
231: printf("multicast forwarding:\n");
1.10 deraadt 232: printf("\t%llu multicast forwarding cache lookup%s\n",
233: mrt6stat.mrt6s_mfc_lookups, plural(mrt6stat.mrt6s_mfc_lookups));
234: printf("\t%llu multicast forwarding cache miss%s\n",
235: mrt6stat.mrt6s_mfc_misses, plurales(mrt6stat.mrt6s_mfc_misses));
236: printf("\t%llu upcall%s to mrouted\n",
237: mrt6stat.mrt6s_upcalls, plural(mrt6stat.mrt6s_upcalls));
238: printf("\t%llu upcall queue overflow%s\n",
239: mrt6stat.mrt6s_upq_ovflw, plural(mrt6stat.mrt6s_upq_ovflw));
240: printf("\t%llu upcall%s dropped due to full socket buffer\n",
241: mrt6stat.mrt6s_upq_sockfull, plural(mrt6stat.mrt6s_upq_sockfull));
242: printf("\t%llu cache cleanup%s\n",
243: mrt6stat.mrt6s_cache_cleanups, plural(mrt6stat.mrt6s_cache_cleanups));
244: printf("\t%llu datagram%s with no route for origin\n",
245: mrt6stat.mrt6s_no_route, plural(mrt6stat.mrt6s_no_route));
246: printf("\t%llu datagram%s arrived with bad tunneling\n",
247: mrt6stat.mrt6s_bad_tunnel, plural(mrt6stat.mrt6s_bad_tunnel));
248: printf("\t%llu datagram%s could not be tunneled\n",
249: mrt6stat.mrt6s_cant_tunnel, plural(mrt6stat.mrt6s_cant_tunnel));
250: printf("\t%llu datagram%s arrived on wrong interface\n",
251: mrt6stat.mrt6s_wrong_if, plural(mrt6stat.mrt6s_wrong_if));
252: printf("\t%llu datagram%s selectively dropped\n",
253: mrt6stat.mrt6s_drop_sel, plural(mrt6stat.mrt6s_drop_sel));
254: printf("\t%llu datagram%s dropped due to queue overflow\n",
255: mrt6stat.mrt6s_q_overflow, plural(mrt6stat.mrt6s_q_overflow));
256: printf("\t%llu datagram%s dropped for being too large\n",
257: mrt6stat.mrt6s_pkt2large, plural(mrt6stat.mrt6s_pkt2large));
1.1 itojun 258: }
![[BACK]](/icons/back.gif){kind=icon}
Return to mroute6.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / netstat