FreeBSD-5.3/usr.bin/systat/ip6.c
/*-
* Copyright (c) 1980, 1992, 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/usr.bin/systat/ip6.c,v 1.1 2003/08/01 20:28:20 dwmalone Exp $");
#ifdef lint
static const char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93";
#endif
/* From:
"Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp"
*/
#ifdef INET6
#include <sys/param.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet6/ip6_var.h>
#include <stdlib.h>
#include <string.h>
#include <paths.h>
#include "systat.h"
#include "extern.h"
#include "mode.h"
static struct ip6stat curstat, initstat, oldstat;
/*-
--0 1 2 3 4 5 6 7
--0123456789012345678901234567890123456789012345678901234567890123456789012345
01 IPv6 Input IPv6 Output
029999999 total packets received 999999999 total packets sent
039999999 - too short for header 999999999 - generated locally
049999999 - too short for data 999999999 - output drops
059999999 - with invalid version 999999999 output fragments generated
069999999 total fragments received 999999999 - fragmentation failed
079999999 - fragments dropped 999999999 destinations unreachable
089999999 - fragments timed out 999999999 packets output via raw IP
099999999 - fragments overflown Input next-header histogram
109999999 - packets reassembled ok 999999999 - destination options
119999999 packets forwarded 999999999 - hop-by-hop options
129999999 - unreachable dests 999999999 - IPv4
139999999 - redirects generated 999999999 - TCP
149999999 option errors 999999999 - UDP
159999999 unwanted multicasts 999999999 - IPv6
169999999 delivered to upper layer 999999999 - routing header
17 999999999 - fragmentation header
189999999 bad scope packets 999999999 - ICMP6
199999999 address selection failed 999999999 - none
--0123456789012345678901234567890123456789012345678901234567890123456789012345
--0 1 2 3 4 5 6 7
*/
WINDOW *
openip6(void)
{
return (subwin(stdscr, LINES-4-1, 0, 4, 0));
}
void
closeip6(w)
WINDOW *w;
{
if (w == NULL)
return;
wclear(w);
wrefresh(w);
delwin(w);
}
void
labelip6(void)
{
wmove(wnd, 0, 0); wclrtoeol(wnd);
#define L(row, str) mvwprintw(wnd, row, 10, str)
#define R(row, str) mvwprintw(wnd, row, 45, str);
L(1, "IPv6 Input"); R(1, "IPv6 Output");
L(2, "total packets received"); R(2, "total packets sent");
L(3, "- too short for header"); R(3, "- generated locally");
L(4, "- too short for data"); R(4, "- output drops");
L(5, "- with invalid version"); R(5, "output fragments generated");
L(6, "total fragments received"); R(6, "- fragmentation failed");
L(7, "- fragments dropped"); R(7, "destinations unreachable");
L(8, "- fragments timed out"); R(8, "packets output via raw IP");
L(9, "- fragments overflown"); R(9, "Input next-header histogram");
L(10, "- packets reassembled ok"); R(10, " - destination options");
L(11, "packets forwarded"); R(11, " - hop-by-hop options");
L(12, "- unreachable dests"); R(12, " - IPv4");
L(13, "- redirects generated"); R(13, " - TCP");
L(14, "option errors"); R(14, " - UDP");
L(15, "unwanted multicasts"); R(15, " - IPv6");
L(16, "delivered to upper layer"); R(16, " - routing header");
R(17, " - fragmentation header");
L(18, "bad scope packets"); R(18, " - ICMP6");
L(19, "address selection failed"); R(19, " - none");
#undef L
#undef R
}
static void
domode(struct ip6stat *ret)
{
const struct ip6stat *sub;
int divisor = 1, i;
switch(currentmode) {
case display_RATE:
sub = &oldstat;
divisor = naptime;
break;
case display_DELTA:
sub = &oldstat;
break;
case display_SINCE:
sub = &initstat;
break;
default:
*ret = curstat;
return;
}
#define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor
DO(ip6s_total);
DO(ip6s_tooshort);
DO(ip6s_toosmall);
DO(ip6s_fragments);
DO(ip6s_fragdropped);
DO(ip6s_fragtimeout);
DO(ip6s_fragoverflow);
DO(ip6s_forward);
DO(ip6s_cantforward);
DO(ip6s_redirectsent);
DO(ip6s_delivered);
DO(ip6s_localout);
DO(ip6s_odropped);
DO(ip6s_reassembled);
DO(ip6s_fragmented);
DO(ip6s_ofragments);
DO(ip6s_cantfrag);
DO(ip6s_badoptions);
DO(ip6s_noroute);
DO(ip6s_badvers);
DO(ip6s_rawout);
DO(ip6s_notmember);
for (i = 0; i < 256; i++)
DO(ip6s_nxthist[i]);
DO(ip6s_badscope);
DO(ip6s_sources_none);
#undef DO
}
void
showip6(void)
{
struct ip6stat stats;
u_long totalout;
domode(&stats);
totalout = stats.ip6s_forward + stats.ip6s_localout;
#define DO(stat, row, col) \
mvwprintw(wnd, row, col, "%9lu", stats.stat)
DO(ip6s_total, 2, 0);
mvwprintw(wnd, 2, 35, "%9lu", totalout);
DO(ip6s_localout, 3, 35);
DO(ip6s_tooshort, 3, 0);
DO(ip6s_odropped, 4, 35);
DO(ip6s_toosmall, 4, 0);
DO(ip6s_ofragments, 5, 35);
DO(ip6s_badvers, 5, 0);
DO(ip6s_cantfrag, 6, 35);
DO(ip6s_fragments, 6, 0);
DO(ip6s_noroute, 7, 35);
DO(ip6s_fragdropped, 7, 0);
DO(ip6s_rawout, 8, 35);
DO(ip6s_fragtimeout, 8, 0);
DO(ip6s_fragoverflow, 9, 0);
DO(ip6s_nxthist[IPPROTO_DSTOPTS], 10, 35);
DO(ip6s_reassembled, 10, 0);
DO(ip6s_nxthist[IPPROTO_HOPOPTS], 11, 35);
DO(ip6s_forward, 11, 0);
DO(ip6s_nxthist[IPPROTO_IPV4], 12, 35);
DO(ip6s_cantforward, 12, 0);
DO(ip6s_nxthist[IPPROTO_TCP], 13, 35);
DO(ip6s_redirectsent, 13, 0);
DO(ip6s_nxthist[IPPROTO_UDP], 14, 35);
DO(ip6s_badoptions, 14, 0);
DO(ip6s_nxthist[IPPROTO_IPV6], 15, 35);
DO(ip6s_notmember, 15, 0);
DO(ip6s_nxthist[IPPROTO_ROUTING], 16, 35);
DO(ip6s_delivered, 16, 0);
DO(ip6s_nxthist[IPPROTO_FRAGMENT], 17, 35);
DO(ip6s_nxthist[IPPROTO_ICMPV6], 18, 35);
DO(ip6s_badscope, 18, 0);
DO(ip6s_nxthist[IPPROTO_NONE], 19, 35);
DO(ip6s_sources_none, 19, 0);
#undef DO
}
int
initip6(void)
{
size_t len;
int name[4];
name[0] = CTL_NET;
name[1] = PF_INET6;
name[2] = IPPROTO_IPV6;
name[3] = IPV6CTL_STATS;
len = 0;
if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
error("sysctl getting ip6stat size failed");
return 0;
}
if (len > sizeof curstat) {
error("ip6stat structure has grown--recompile systat!");
return 0;
}
if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
error("sysctl getting ip6stat failed");
return 0;
}
oldstat = initstat;
return 1;
}
void
resetip6(void)
{
size_t len;
int name[4];
name[0] = CTL_NET;
name[1] = PF_INET6;
name[2] = IPPROTO_IPV6;
name[3] = IPV6CTL_STATS;
len = sizeof initstat;
if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
error("sysctl getting ipstat failed");
}
oldstat = initstat;
}
void
fetchip6(void)
{
int name[4];
size_t len;
oldstat = curstat;
name[0] = CTL_NET;
name[1] = PF_INET6;
name[2] = IPPROTO_IPV6;
name[3] = IPV6CTL_STATS;
len = sizeof curstat;
if (sysctl(name, 4, &curstat, &len, 0, 0) < 0)
return;
}
#endif