/* $NetBSD: ip6.c,v 1.16 2014/06/03 22:22:41 joerg Exp $ */
/*
* Copyright (c) 1999, 2000 Andrew Doran <
[email protected]>
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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>
#ifndef lint
__RCSID("$NetBSD: ip6.c,v 1.16 2014/06/03 22:22:41 joerg Exp $");
#endif /* not lint */
#include <sys/param.h>
#include <sys/sysctl.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip6.h>
#include <netinet6/ip6_var.h>
#include <string.h>
#include "systat.h"
#include "extern.h"
#define LHD(row, str) mvwprintw(wnd, row, 10, str)
#define RHD(row, str) mvwprintw(wnd, row, 45, str);
#define SHOW(stat, row, col) \
mvwprintw(wnd, row, col, "%9llu", (unsigned long long)curstat[stat])
enum update {
UPDATE_TIME,
UPDATE_BOOT,
UPDATE_RUN,
};
static enum update update = UPDATE_TIME;
static uint64_t curstat[IP6_NSTATS];
static uint64_t newstat[IP6_NSTATS];
static uint64_t oldstat[IP6_NSTATS];
WINDOW *
openip6(void)
{
return (subwin(stdscr, -1, 0, 5, 0));
}
void
closeip6(WINDOW *w)
{
if (w != NULL) {
wclear(w);
wrefresh(w);
delwin(w);
}
}
void
labelip6(void)
{
wmove(wnd, 0, 0); wclrtoeol(wnd);
LHD(0, "total packet received");
LHD(1, " smaller than minimum");
LHD(2, " data size < data length");
LHD(3, " bad options");
LHD(4, " incorrect version no");
LHD(5, " headers not continuous");
LHD(6, " packet for this host");
LHD(7, " multicast we don't join");
LHD(8, " too many headers");
LHD(9, " tunneled packet w/o gif");
LHD(11, " fragment received");
LHD(12, " fragment dropped");
LHD(13, " fragment timeout");
LHD(14, " fragment exceeded limit");
LHD(15, " packet reassembled ok");
#if 0
LHD(17, "one mbuf");
LHD(18, "one ext mbuf");
LHD(19, "two or more ext mbuf");
LHD(20, "two or more mbuf");
#endif
RHD(0, "packet forwarded");
RHD(1, " packet not forwardable");
RHD(2, " redirect sent");
RHD(4, "packet sent from this host");
RHD(5, " fabricated ip header");
RHD(6, " dropped output (no bufs)");
RHD(7, " dropped output (no route)");
RHD(8, " output datagram fragmented");
RHD(9, " fragment created");
RHD(10, " can't be fragmented");
RHD(12, "violated scope rules");
}
void
showip6(void)
{
#if 0
u_quad_t m2m;
int i;
m2m = 0;
for (i = 0; i < 32; i++) {
m2m += curstat[IP6_STAT_M2M + i];
}
#endif
SHOW(IP6_STAT_TOTAL, 0, 0);
SHOW(IP6_STAT_TOOSMALL, 1, 0);
SHOW(IP6_STAT_TOOSHORT, 2, 0);
SHOW(IP6_STAT_BADOPTIONS, 3, 0);
SHOW(IP6_STAT_BADVERS, 4, 0);
SHOW(IP6_STAT_EXTHDRTOOLONG, 5, 0);
SHOW(IP6_STAT_DELIVERED, 6, 0);
SHOW(IP6_STAT_NOTMEMBER, 7, 0);
SHOW(IP6_STAT_TOOMANYHDR, 8, 0);
SHOW(IP6_STAT_NOGIF, 9, 0);
SHOW(IP6_STAT_FRAGMENTS, 11, 0);
SHOW(IP6_STAT_FRAGDROPPED, 12, 0);
SHOW(IP6_STAT_FRAGTIMEOUT, 13, 0);
SHOW(IP6_STAT_FRAGOVERFLOW, 14, 0);
SHOW(IP6_STAT_REASSEMBLED, 15, 0);
#if 0
SHOW(IP6_STAT_M1, 17, 0);
SHOW(IP6_STAT_MEXT1, 18, 0);
SHOW(IP6_STAT_MEXT2M, 19, 0);
mvwprintw(wnd, 20, 0, "%9llu", (unsigned long long)m2m);
#endif
SHOW(IP6_STAT_FORWARD, 0, 35);
SHOW(IP6_STAT_CANTFORWARD, 1, 35);
SHOW(IP6_STAT_REDIRECTSENT, 2, 35);
SHOW(IP6_STAT_LOCALOUT, 4, 35);
SHOW(IP6_STAT_RAWOUT, 5, 35);
SHOW(IP6_STAT_ODROPPED, 6, 35);
SHOW(IP6_STAT_NOROUTE, 7, 35);
SHOW(IP6_STAT_FRAGMENTED, 8, 35);
SHOW(IP6_STAT_OFRAGMENTS, 9, 35);
SHOW(IP6_STAT_CANTFRAG, 10, 35);
SHOW(IP6_STAT_BADSCOPE, 12, 35);
}
int
initip6(void)
{
return 1;
}
void
fetchip6(void)
{
size_t i, size = sizeof(newstat);
if (sysctlbyname("net.inet6.ip6.stats", newstat, &size, NULL, 0) == -1)
return;
for (i = 0; i < IP6_NSTATS; i++)
xADJINETCTR(curstat, oldstat, newstat, i);
if (update == UPDATE_TIME)
memcpy(oldstat, newstat, sizeof(oldstat));
}
void
ip6_boot(char *args)
{
memset(oldstat, 0, sizeof(oldstat));
update = UPDATE_BOOT;
}
void
ip6_run(char *args)
{
if (update != UPDATE_RUN) {
memcpy(oldstat, newstat, sizeof(oldstat));
update = UPDATE_RUN;
}
}
void
ip6_time(char *args)
{
if (update != UPDATE_TIME) {
memcpy(oldstat, newstat, sizeof(oldstat));
update = UPDATE_TIME;
}
}
void
ip6_zero(char *args)
{
if (update == UPDATE_RUN)
memcpy(oldstat, newstat, sizeof(oldstat));
}
