Clean up more #include files. Create an internal __boolean_t so two or
[dragonfly.git] / usr.bin / netstat / mbuf.c
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1/*
2 * Copyright (c) 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. 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.
20 *
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
31 * SUCH DAMAGE.
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32 *
33 * @(#)mbuf.c 8.1 (Berkeley) 6/6/93
34 * $FreeBSD: src/usr.bin/netstat/mbuf.c,v 1.17.2.3 2001/08/10 09:07:09 ru Exp $
03d6a592 35 * $DragonFly: src/usr.bin/netstat/mbuf.c,v 1.6 2006/05/21 03:43:47 dillon Exp $
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36 */
37
03d6a592 38#define _KERNEL_STRUCTURES
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39#include <sys/param.h>
40#include <sys/mbuf.h>
41#include <sys/protosw.h>
42#include <sys/socket.h>
43#include <sys/sysctl.h>
44
45#include <err.h>
46#include <stdio.h>
47#include <stdlib.h>
48#include "netstat.h"
49
50#define YES 1
51typedef int bool;
52
53static struct mbtypenames {
54 int mt_type;
55 char *mt_name;
56} mbtypenames[] = {
57 { MT_DATA, "data" },
58 { MT_OOBDATA, "oob data" },
59 { MT_CONTROL, "ancillary data" },
60 { MT_HEADER, "packet headers" },
984263bc 61 { MT_SONAME, "socket names and addresses" },
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62 { 0, 0 }
63};
64
65/*
66 * Print mbuf statistics.
67 */
68void
69mbpr(u_long mbaddr, u_long mbtaddr, u_long nmbcaddr, u_long nmbufaddr)
70{
71 u_long totmem, totpossible, totmbufs;
6bd457ed 72 int i;
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73 struct mbstat mbstat;
74 struct mbtypenames *mp;
75 int name[3], nmbclusters, nmbufs, nmbtypes;
76 size_t nmbclen, nmbuflen, mbstatlen, mbtypeslen;
77 u_long *mbtypes;
78 bool *seen; /* "have we seen this type yet?" */
79
80 mbtypes = NULL;
81 seen = NULL;
82
83 /*
84 * XXX
85 * We can't kread() mbtypeslen from a core image so we'll
86 * bogusly assume it's the same as in the running kernel.
87 */
88 if (sysctlbyname("kern.ipc.mbtypes", NULL, &mbtypeslen, NULL, 0) < 0) {
89 warn("sysctl: retrieving mbtypes length");
90 goto err;
91 }
92 if ((mbtypes = malloc(mbtypeslen)) == NULL) {
93 warn("malloc: %lu bytes for mbtypes", (u_long)mbtypeslen);
94 goto err;
95 }
96
97 nmbtypes = mbtypeslen / sizeof(*mbtypes);
98 if ((seen = calloc(nmbtypes, sizeof(*seen))) == NULL) {
99 warn("calloc");
100 goto err;
101 }
102
103 if (mbaddr) {
104 if (kread(mbaddr, (char *)&mbstat, sizeof mbstat))
105 goto err;
106 if (kread(mbtaddr, (char *)mbtypes, mbtypeslen))
107 goto err;
108 if (kread(nmbcaddr, (char *)&nmbclusters, sizeof(int)))
109 goto err;
110 if (kread(nmbufaddr, (char *)&nmbufs, sizeof(int)))
111 goto err;
112 } else {
113 name[0] = CTL_KERN;
114 name[1] = KERN_IPC;
115 name[2] = KIPC_MBSTAT;
116 mbstatlen = sizeof mbstat;
117 if (sysctl(name, 3, &mbstat, &mbstatlen, 0, 0) < 0) {
118 warn("sysctl: retrieving mbstat");
119 goto err;
120 }
121
122 if (sysctlbyname("kern.ipc.mbtypes", mbtypes, &mbtypeslen, NULL,
123 0) < 0) {
124 warn("sysctl: retrieving mbtypes");
125 goto err;
126 }
127
128 name[2] = KIPC_NMBCLUSTERS;
129 nmbclen = sizeof(int);
130 if (sysctl(name, 3, &nmbclusters, &nmbclen, 0, 0) < 0) {
131 warn("sysctl: retrieving nmbclusters");
132 goto err;
133 }
134
135 nmbuflen = sizeof(int);
136 if (sysctlbyname("kern.ipc.nmbufs", &nmbufs, &nmbuflen, 0, 0) < 0) {
137 warn("sysctl: retrieving nmbufs");
138 goto err;
139 }
140 }
141
142#undef MSIZE
143#define MSIZE (mbstat.m_msize)
144#undef MCLBYTES
145#define MCLBYTES (mbstat.m_mclbytes)
146
147 totmbufs = 0;
148 for (mp = mbtypenames; mp->mt_name; mp++)
149 totmbufs += mbtypes[mp->mt_type];
150 printf("%lu/%lu/%u mbufs in use (current/peak/max):\n", totmbufs,
151 mbstat.m_mbufs, nmbufs);
152 for (mp = mbtypenames; mp->mt_name; mp++)
153 if (mbtypes[mp->mt_type]) {
154 seen[mp->mt_type] = YES;
155 printf("\t%lu mbufs allocated to %s\n",
156 mbtypes[mp->mt_type], mp->mt_name);
157 }
158 seen[MT_FREE] = YES;
159 for (i = 0; i < nmbtypes; i++)
160 if (!seen[i] && mbtypes[i]) {
161 printf("\t%lu mbufs allocated to <mbuf type %d>\n",
162 mbtypes[i], i);
163 }
164 printf("%lu/%lu/%u mbuf clusters in use (current/peak/max)\n",
165 mbstat.m_clusters - mbstat.m_clfree, mbstat.m_clusters,
166 nmbclusters);
167 totmem = mbstat.m_mbufs * MSIZE + mbstat.m_clusters * MCLBYTES;
168 totpossible = nmbclusters * MCLBYTES + MSIZE * nmbufs;
169 printf("%lu Kbytes allocated to network (%lu%% of mb_map in use)\n",
170 totmem / 1024, (totmem * 100) / totpossible);
171 printf("%lu requests for memory denied\n", mbstat.m_drops);
172 printf("%lu requests for memory delayed\n", mbstat.m_wait);
173 printf("%lu calls to protocol drain routines\n", mbstat.m_drain);
174
175err:
176 if (mbtypes != NULL)
177 free(mbtypes);
178 if (seen != NULL)
179 free(seen);
180}