2 * Copyright (c) 1989 Stephen Deering
3 * Copyright (c) 1992, 1993
4 * The Regents of the University of California. All rights reserved.
6 * This code is derived from software contributed to Berkeley by
7 * Stephen Deering of Stanford University.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)mroute.c 8.2 (Berkeley) 4/28/95
35 * $FreeBSD: src/usr.bin/netstat/mroute.c,v 1.11.2.4 2001/09/17 14:53:17 ru Exp $
36 * $DragonFly: src/usr.bin/netstat/mroute.c,v 1.5 2005/08/04 17:31:23 drhodus Exp $
40 * Print multicast routing structures and statistics.
45 #include <sys/param.h>
46 #include <sys/queue.h>
47 #include <sys/socket.h>
48 #include <sys/socketvar.h>
49 #include <sys/protosw.h>
54 #include <netinet/in.h>
55 #include <netinet/igmp.h>
56 #include <net/route.h>
57 #include <net/ip_mroute/ip_mroute.h>
63 static void print_bw_meter(struct bw_meter
*bw_meter
, int *banner_printed
);
66 mroutepr(u_long mfcaddr
, u_long vifaddr
)
68 struct mfc
*mfctable
[MFCTBLSIZ
];
69 struct vif viftable
[MAXVIFS
];
75 int saved_numeric_addr
;
78 if (mfcaddr
== 0 || vifaddr
== 0) {
79 printf("No IPv4 multicast routing compiled into this system.\n");
83 saved_numeric_addr
= numeric_addr
;
86 kread(vifaddr
, (char *)&viftable
, sizeof(viftable
));
88 for (vifi
= 0, v
= viftable
; vifi
< MAXVIFS
; ++vifi
, ++v
) {
89 if (v
->v_lcl_addr
.s_addr
== 0)
93 if (!banner_printed
) {
94 printf("\nVirtual Interface Table\n"
95 " Vif Thresh Rate Local-Address "
96 "Remote-Address Pkts-In Pkts-Out\n");
100 printf(" %2u %6u %4d %-15.15s",
101 /* opposite math of add_vif() */
102 vifi
, v
->v_threshold
, v
->v_rate_limit
* 1000 / 1024,
103 routename(v
->v_lcl_addr
.s_addr
));
104 printf(" %-15.15s", (v
->v_flags
& VIFF_TUNNEL
) ?
105 routename(v
->v_rmt_addr
.s_addr
) : "");
107 printf(" %9lu %9lu\n", v
->v_pkt_in
, v
->v_pkt_out
);
110 printf("\nVirtual Interface Table is empty\n");
112 kread(mfcaddr
, (char *)&mfctable
, sizeof(mfctable
));
114 for (i
= 0; i
< MFCTBLSIZ
; ++i
) {
117 kread((u_long
)m
, (char *)&mfc
, sizeof mfc
);
119 if (!banner_printed
) {
120 printf("\nIPv4 Multicast Forwarding Cache\n"
122 " Packets In-Vif Out-Vifs:Ttls\n");
126 printf(" %-15.15s", routename(mfc
.mfc_origin
.s_addr
));
127 printf(" %-15.15s", routename(mfc
.mfc_mcastgrp
.s_addr
));
128 printf(" %9lu", mfc
.mfc_pkt_cnt
);
129 printf(" %3d ", mfc
.mfc_parent
);
130 for (vifi
= 0; vifi
<= maxvif
; vifi
++) {
131 if (mfc
.mfc_ttls
[vifi
] > 0)
132 printf(" %u:%u", vifi
,
137 /* Print the bw meter information */
139 struct bw_meter bw_meter
, *bwm
;
140 int banner_printed2
= 0;
142 bwm
= mfc
.mfc_bw_meter
;
144 kread((u_long
)bwm
, (char *)&bw_meter
,
146 print_bw_meter(&bw_meter
,
148 bwm
= bw_meter
.bm_mfc_next
;
150 #if 0 /* Don't ever print it? */
151 if (! banner_printed2
)
152 printf("\n No Bandwidth Meters\n");
160 printf("\nMulticast Routing Table is empty\n");
163 numeric_addr
= saved_numeric_addr
;
167 print_bw_meter(struct bw_meter
*bw_meter
, int *banner_printed
)
169 char s0
[256], s1
[256], s2
[256], s3
[256];
170 struct timeval now
, end
, delta
;
172 gettimeofday(&now
, NULL
);
174 if (! *banner_printed
) {
175 printf(" Bandwidth Meters\n");
176 printf(" %-30s", "Measured(Start|Packets|Bytes)");
177 printf(" %s", "Type");
178 printf(" %-30s", "Thresh(Interval|Packets|Bytes)");
184 /* The measured values */
185 if (bw_meter
->bm_flags
& BW_METER_UNIT_PACKETS
)
186 sprintf(s1
, "%ju", (uintmax_t)bw_meter
->bm_measured
.b_packets
);
189 if (bw_meter
->bm_flags
& BW_METER_UNIT_BYTES
)
190 sprintf(s2
, "%ju", (uintmax_t)bw_meter
->bm_measured
.b_bytes
);
193 sprintf(s0
, "%lu.%lu|%s|%s",
194 bw_meter
->bm_start_time
.tv_sec
,
195 bw_meter
->bm_start_time
.tv_usec
,
197 printf(" %-30s", s0
);
199 /* The type of entry */
200 sprintf(s0
, "%s", "?");
201 if (bw_meter
->bm_flags
& BW_METER_GEQ
)
202 sprintf(s0
, "%s", ">=");
203 else if (bw_meter
->bm_flags
& BW_METER_LEQ
)
204 sprintf(s0
, "%s", "<=");
207 /* The threshold values */
208 if (bw_meter
->bm_flags
& BW_METER_UNIT_PACKETS
)
209 sprintf(s1
, "%ju", (uintmax_t)bw_meter
->bm_threshold
.b_packets
);
212 if (bw_meter
->bm_flags
& BW_METER_UNIT_BYTES
)
213 sprintf(s2
, "%ju", (uintmax_t)bw_meter
->bm_threshold
.b_bytes
);
216 sprintf(s0
, "%lu.%lu|%s|%s",
217 bw_meter
->bm_threshold
.b_time
.tv_sec
,
218 bw_meter
->bm_threshold
.b_time
.tv_usec
,
220 printf(" %-30s", s0
);
223 timeradd(&bw_meter
->bm_start_time
,
224 &bw_meter
->bm_threshold
.b_time
, &end
);
225 if (timercmp(&now
, &end
, <=)) {
226 timersub(&end
, &now
, &delta
);
227 sprintf(s3
, "%lu.%lu", delta
.tv_sec
, delta
.tv_usec
);
230 timersub(&now
, &end
, &delta
);
231 sprintf(s3
, "-%lu.%lu", delta
.tv_sec
, delta
.tv_usec
);
239 mrt_stats(u_long mstaddr
)
241 struct mrtstat mrtstat
;
244 printf("No IPv4 multicast routing compiled into this system.\n");
248 kread(mstaddr
, (char *)&mrtstat
, sizeof(mrtstat
));
249 printf("IPv4 multicast forwarding:\n");
251 #define p(f, m) if (mrtstat.f || sflag <= 1) \
252 printf(m, mrtstat.f, plural(mrtstat.f))
253 #define p2(f, m) if (mrtstat.f || sflag <= 1) \
254 printf(m, mrtstat.f, plurales(mrtstat.f))
256 p(mrts_mfc_lookups
, "\t%lu multicast forwarding cache lookup%s\n");
257 p2(mrts_mfc_misses
, "\t%lu multicast forwarding cache miss%s\n");
258 p(mrts_upcalls
, "\t%lu upcall%s to mrouted\n");
259 p(mrts_upq_ovflw
, "\t%lu upcall queue overflow%s\n");
261 "\t%lu upcall%s dropped due to full socket buffer\n");
262 p(mrts_cache_cleanups
, "\t%lu cache cleanup%s\n");
263 p(mrts_no_route
, "\t%lu datagram%s with no route for origin\n");
264 p(mrts_bad_tunnel
, "\t%lu datagram%s arrived with bad tunneling\n");
265 p(mrts_cant_tunnel
, "\t%lu datagram%s could not be tunneled\n");
266 p(mrts_wrong_if
, "\t%lu datagram%s arrived on wrong interface\n");
267 p(mrts_drop_sel
, "\t%lu datagram%s selectively dropped\n");
268 p(mrts_q_overflow
, "\t%lu datagram%s dropped due to queue overflow\n");
269 p(mrts_pkt2large
, "\t%lu datagram%s dropped for being too large\n");