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	Index: stable/4/usr.bin/netstat/mbuf.c
	===================================================================
	--- stable/4/usr.bin/netstat/mbuf.c (revision 130678)
	+++ stable/4/usr.bin/netstat/mbuf.c (revision 130679)
	@@ -1,222 +1,208 @@
	/*
	* Copyright (c) 1983, 1988, 1993
	* The Regents of the University of California. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* 3. All advertising materials mentioning features or use of this software
	* must display the following acknowledgement:
	* This product includes software developed by the University of
	* California, Berkeley and its contributors.
	* 4. Neither the name of the University nor the names of its contributors
	* may be used to endorse or promote products derived from this software
	* without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	* SUCH DAMAGE.
	*/

	#ifndef lint
	#if 0
	static char sccsid[] = "@(#)mbuf.c 8.1 (Berkeley) 6/6/93";
	#endif
	static const char rcsid[] =
	"$FreeBSD$";
	#endif /* not lint */

	#include <sys/param.h>
	#include <sys/mbuf.h>
	#include <sys/protosw.h>
	#include <sys/socket.h>
	#include <sys/sysctl.h>

	#include <err.h>
	#include <stdio.h>
	#include <stdlib.h>
	#include "netstat.h"

	#define YES 1
	typedef int bool;

	static struct mbtypenames {
	int mt_type;
	char *mt_name;
	} mbtypenames[] = {
	{ MT_DATA, "data" },
	{ MT_OOBDATA, "oob data" },
	{ MT_CONTROL, "ancillary data" },
	{ MT_HEADER, "packet headers" },
	#ifdef MT_SOCKET
	{ MT_SOCKET, "socket structures" }, /* XXX */
	#endif
	#ifdef MT_PCB
	{ MT_PCB, "protocol control blocks" }, /* XXX */
	#endif
	#ifdef MT_RTABLE
	{ MT_RTABLE, "routing table entries" }, /* XXX */
	#endif
	#ifdef MT_HTABLE
	{ MT_HTABLE, "IMP host table entries" }, /* XXX */
	#endif
	#ifdef MT_ATABLE
	{ MT_ATABLE, "address resolution tables" },
	#endif
	{ MT_FTABLE, "fragment reassembly queue headers" }, /* XXX */
	{ MT_SONAME, "socket names and addresses" },
	#ifdef MT_SOOPTS
	{ MT_SOOPTS, "socket options" },
	#endif
	#ifdef MT_RIGHTS
	{ MT_RIGHTS, "access rights" },
	#endif
	#ifdef MT_IFADDR
	{ MT_IFADDR, "interface addresses" }, /* XXX */
	#endif
	{ 0, 0 }
	};

	/*
	* Print mbuf statistics.
	*/
	void
	mbpr(u_long mbaddr, u_long mbtaddr, u_long nmbcaddr, u_long nmbufaddr)
	{
	u_long totmem, totpossible, totmbufs;
	register int i;
	struct mbstat mbstat;
	struct mbtypenames *mp;
	int name[3], nmbclusters, nmbufs, nmbtypes;
	- int nsfbufs, nsfbufspeak, nsfbufsused;
	- size_t nmbclen, nmbuflen, mbstatlen, mbtypeslen, mlen;
	+ size_t nmbclen, nmbuflen, mbstatlen, mbtypeslen;
	u_long *mbtypes;
	bool seen; / "have we seen this type yet?" */

	mbtypes = NULL;
	seen = NULL;

	/*
	* XXX
	* We can't kread() mbtypeslen from a core image so we'll
	* bogusly assume it's the same as in the running kernel.
	*/
	if (sysctlbyname("kern.ipc.mbtypes", NULL, &mbtypeslen, NULL, 0) < 0) {
	warn("sysctl: retrieving mbtypes length");
	goto err;
	}
	if ((mbtypes = malloc(mbtypeslen)) == NULL) {
	warn("malloc: %lu bytes for mbtypes", (u_long)mbtypeslen);
	goto err;
	}

	nmbtypes = mbtypeslen / sizeof(*mbtypes);
	if ((seen = calloc(nmbtypes, sizeof(*seen))) == NULL) {
	warn("calloc");
	goto err;
	}

	if (mbaddr) {
	if (kread(mbaddr, (char *)&mbstat, sizeof mbstat))
	goto err;
	if (kread(mbtaddr, (char *)mbtypes, mbtypeslen))
	goto err;
	if (kread(nmbcaddr, (char *)&nmbclusters, sizeof(int)))
	goto err;
	if (kread(nmbufaddr, (char *)&nmbufs, sizeof(int)))
	goto err;
	} else {
	name[0] = CTL_KERN;
	name[1] = KERN_IPC;
	name[2] = KIPC_MBSTAT;
	mbstatlen = sizeof mbstat;
	if (sysctl(name, 3, &mbstat, &mbstatlen, 0, 0) < 0) {
	warn("sysctl: retrieving mbstat");
	goto err;
	}

	if (sysctlbyname("kern.ipc.mbtypes", mbtypes, &mbtypeslen, NULL,
	0) < 0) {
	warn("sysctl: retrieving mbtypes");
	goto err;
	}

	name[2] = KIPC_NMBCLUSTERS;
	nmbclen = sizeof(int);
	if (sysctl(name, 3, &nmbclusters, &nmbclen, 0, 0) < 0) {
	warn("sysctl: retrieving nmbclusters");
	goto err;
	}

	nmbuflen = sizeof(int);
	if (sysctlbyname("kern.ipc.nmbufs", &nmbufs, &nmbuflen, 0, 0) < 0) {
	warn("sysctl: retrieving nmbufs");
	goto err;
	}
	}

	#undef MSIZE
	#define MSIZE (mbstat.m_msize)
	#undef MCLBYTES
	#define MCLBYTES (mbstat.m_mclbytes)

	totmbufs = 0;
	for (mp = mbtypenames; mp->mt_name; mp++)
	totmbufs += mbtypes[mp->mt_type];
	printf("%lu/%lu/%u mbufs in use (current/peak/max):\n", totmbufs,
	mbstat.m_mbufs, nmbufs);
	for (mp = mbtypenames; mp->mt_name; mp++)
	if (mbtypes[mp->mt_type]) {
	seen[mp->mt_type] = YES;
	printf("\t%lu mbufs allocated to %s\n",
	mbtypes[mp->mt_type], mp->mt_name);
	}
	seen[MT_FREE] = YES;
	for (i = 0; i < nmbtypes; i++)
	if (!seen[i] && mbtypes[i]) {
	printf("\t%lu mbufs allocated to <mbuf type %d>\n",
	mbtypes[i], i);
	}
	printf("%lu/%lu/%u mbuf clusters in use (current/peak/max)\n",
	mbstat.m_clusters - mbstat.m_clfree, mbstat.m_clusters,
	nmbclusters);
	- mlen = sizeof(nsfbufs);
	- if (!sysctlbyname("kern.ipc.nsfbufs", &nsfbufs, &mlen, NULL, 0) &&
	- !sysctlbyname("kern.ipc.nsfbufsused", &nsfbufsused, &mlen, NULL,
	- 0) &&
	- !sysctlbyname("kern.ipc.nsfbufspeak", &nsfbufspeak, &mlen, NULL,
	- 0)) {
	- printf("%d/%d/%d sfbufs in use (current/peak/max)\n",
	- nsfbufsused, nsfbufspeak, nsfbufs);
	- }
	totmem = mbstat.m_mbufs * MSIZE + mbstat.m_clusters * MCLBYTES;
	totpossible = nmbclusters * MCLBYTES + MSIZE * nmbufs;
	printf("%lu Kbytes allocated to network (%lu%% of mb_map in use)\n",
	totmem / 1024, (totmem * 100) / totpossible);
	printf("%lu requests for memory denied\n", mbstat.m_drops);
	printf("%lu requests for memory delayed\n", mbstat.m_wait);
	- printf("%lu requests for sfbufs denied\n", mbstat.sf_allocfail);
	- printf("%lu requests for sfbufs delayed\n", mbstat.sf_allocwait);
	- printf("%lu requests for I/O initiated by sendfile\n",
	- mbstat.sf_iocnt);
	printf("%lu calls to protocol drain routines\n", mbstat.m_drain);

	err:
	if (mbtypes != NULL)
	free(mbtypes);
	if (seen != NULL)
	free(seen);
	}

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