7e6cabd06e
Renumber cluase 4 to 3, per what everybody else did when BSD granted them permission to remove clause 3. My insistance on keeping the same numbering for legal reasons is too pedantic, so give up on that point. Submitted by: Jan Schaumann <jschauma@stevens.edu> Pull Request: https://github.com/freebsd/freebsd/pull/96
301 lines
8.3 KiB
C
301 lines
8.3 KiB
C
/*-
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* Copyright (c) 1980, 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#ifdef lint
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static const char sccsid[] = "@(#)mbufs.c 8.1 (Berkeley) 6/6/93";
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#endif
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/* From:
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"Id: mbufs.c,v 1.5 1997/02/24 20:59:03 wollman Exp"
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*/
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#ifdef INET6
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/sysctl.h>
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#include <netinet/in.h>
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#include <netinet/in_systm.h>
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#include <netinet/ip.h>
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#include <netinet6/ip6_var.h>
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#include <stdlib.h>
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#include <string.h>
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#include <paths.h>
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#include "systat.h"
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#include "extern.h"
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#include "mode.h"
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static struct ip6stat curstat, initstat, oldstat;
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/*-
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--0 1 2 3 4 5 6 7
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--0123456789012345678901234567890123456789012345678901234567890123456789012345
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00 IPv6 Input IPv6 Output
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019999999 total packets received 999999999 total packets sent
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029999999 - too short for header 999999999 - generated locally
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039999999 - too short for data 999999999 - output drops
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049999999 - with invalid version 999999999 output fragments generated
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059999999 total fragments received 999999999 - fragmentation failed
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069999999 - fragments dropped 999999999 destinations unreachable
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079999999 - fragments timed out 999999999 packets output via raw IP
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089999999 - fragments overflown
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099999999 - packets reassembled ok Input next-header histogram
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109999999 packets forwarded 999999999 - destination options
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119999999 - unreachable dests 999999999 - hop-by-hop options
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129999999 - redirects generated 999999999 - IPv4
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139999999 option errors 999999999 - TCP
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149999999 unwanted multicasts 999999999 - UDP
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159999999 delivered to upper layer 999999999 - IPv6
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169999999 bad scope packets 999999999 - routing header
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179999999 address selection failed 999999999 - fragmentation header
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18 999999999 - ICMP6
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19 999999999 - none
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--0123456789012345678901234567890123456789012345678901234567890123456789012345
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--0 1 2 3 4 5 6 7
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*/
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WINDOW *
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openip6(void)
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{
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return (subwin(stdscr, LINES-3-1, 0, MAINWIN_ROW, 0));
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}
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void
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closeip6(WINDOW *w)
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{
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if (w == NULL)
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return;
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wclear(w);
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wrefresh(w);
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delwin(w);
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}
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void
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labelip6(void)
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{
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wmove(wnd, 0, 0); wclrtoeol(wnd);
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#define L(row, str) mvwprintw(wnd, row, 10, str)
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#define R(row, str) mvwprintw(wnd, row, 45, str);
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L(0, "IPv6 Input"); R(0, "IPv6 Output");
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L(1, "total packets received"); R(1, "total packets sent");
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L(2, "- too short for header"); R(2, "- generated locally");
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L(3, "- too short for data"); R(3, "- output drops");
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L(4, "- with invalid version"); R(4, "output fragments generated");
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L(5, "total fragments received"); R(5, "- fragmentation failed");
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L(6, "- fragments dropped"); R(6, "destinations unreachable");
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L(7, "- fragments timed out"); R(7, "packets output via raw IP");
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L(8, "- fragments overflown");
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L(9, "- packets reassembled ok"); R(9, "Input next-header histogram");
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L(10, "packets forwarded"); R(10, " - destination options");
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L(11, "- unreachable dests"); R(11, " - hop-by-hop options");
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L(12, "- redirects generated"); R(12, " - IPv4");
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L(13, "option errors"); R(13, " - TCP");
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L(14, "unwanted multicasts"); R(14, " - UDP");
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L(15, "delivered to upper layer"); R(15, " - IPv6");
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L(16, "bad scope packets"); R(16, " - routing header");
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L(17, "address selection failed"); R(17, " - fragmentation header");
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R(18, " - ICMP6");
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R(19, " - none");
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#undef L
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#undef R
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}
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static void
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domode(struct ip6stat *ret)
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{
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const struct ip6stat *sub;
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int divisor = 1, i;
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switch(currentmode) {
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case display_RATE:
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sub = &oldstat;
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divisor = (delay > 1000000) ? delay / 1000000 : 1;
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break;
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case display_DELTA:
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sub = &oldstat;
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break;
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case display_SINCE:
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sub = &initstat;
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break;
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default:
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*ret = curstat;
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return;
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}
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#define DO(stat) ret->stat = (curstat.stat - sub->stat) / divisor
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DO(ip6s_total);
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DO(ip6s_tooshort);
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DO(ip6s_toosmall);
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DO(ip6s_fragments);
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DO(ip6s_fragdropped);
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DO(ip6s_fragtimeout);
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DO(ip6s_fragoverflow);
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DO(ip6s_forward);
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DO(ip6s_cantforward);
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DO(ip6s_redirectsent);
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DO(ip6s_delivered);
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DO(ip6s_localout);
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DO(ip6s_odropped);
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DO(ip6s_reassembled);
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DO(ip6s_fragmented);
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DO(ip6s_ofragments);
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DO(ip6s_cantfrag);
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DO(ip6s_badoptions);
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DO(ip6s_noroute);
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DO(ip6s_badvers);
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DO(ip6s_rawout);
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DO(ip6s_notmember);
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for (i = 0; i < 256; i++)
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DO(ip6s_nxthist[i]);
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DO(ip6s_badscope);
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DO(ip6s_sources_none);
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#undef DO
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}
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void
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showip6(void)
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{
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struct ip6stat stats;
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u_long totalout;
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domode(&stats);
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totalout = stats.ip6s_forward + stats.ip6s_localout;
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#define DO(stat, row, col) \
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mvwprintw(wnd, row, col, "%9lu", stats.stat)
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DO(ip6s_total, 1, 0);
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mvwprintw(wnd, 1, 35, "%9lu", totalout);
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DO(ip6s_tooshort, 2, 0);
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DO(ip6s_localout, 2, 35);
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DO(ip6s_toosmall, 3, 0);
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DO(ip6s_odropped, 3, 35);
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DO(ip6s_badvers, 4, 0);
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DO(ip6s_ofragments, 4, 35);
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DO(ip6s_fragments, 5, 0);
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DO(ip6s_cantfrag, 5, 35);
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DO(ip6s_fragdropped, 6, 0);
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DO(ip6s_noroute, 6, 35);
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DO(ip6s_fragtimeout, 7, 0);
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DO(ip6s_rawout, 7, 35);
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DO(ip6s_fragoverflow, 8, 0);
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DO(ip6s_reassembled, 9, 0);
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DO(ip6s_forward, 10, 0);
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DO(ip6s_nxthist[IPPROTO_DSTOPTS], 10, 35);
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DO(ip6s_cantforward, 11, 0);
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DO(ip6s_nxthist[IPPROTO_HOPOPTS], 11, 35);
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DO(ip6s_redirectsent, 12, 0);
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DO(ip6s_nxthist[IPPROTO_IPV4], 12, 35);
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DO(ip6s_badoptions, 13, 0);
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DO(ip6s_nxthist[IPPROTO_TCP], 13, 35);
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DO(ip6s_notmember, 14, 0);
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DO(ip6s_nxthist[IPPROTO_UDP], 14, 35);
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DO(ip6s_delivered, 15, 0);
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DO(ip6s_nxthist[IPPROTO_IPV6], 15, 35);
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DO(ip6s_badscope, 16, 0);
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DO(ip6s_nxthist[IPPROTO_ROUTING], 16, 35);
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DO(ip6s_sources_none, 17, 0);
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DO(ip6s_nxthist[IPPROTO_FRAGMENT], 17, 35);
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DO(ip6s_nxthist[IPPROTO_ICMPV6], 18, 35);
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DO(ip6s_nxthist[IPPROTO_NONE], 19, 35);
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#undef DO
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}
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int
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initip6(void)
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{
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size_t len;
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int name[4];
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name[0] = CTL_NET;
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name[1] = PF_INET6;
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name[2] = IPPROTO_IPV6;
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name[3] = IPV6CTL_STATS;
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len = 0;
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if (sysctl(name, 4, 0, &len, 0, 0) < 0) {
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error("sysctl getting ip6stat size failed");
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return 0;
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}
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if (len > sizeof curstat) {
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error("ip6stat structure has grown--recompile systat!");
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return 0;
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}
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if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
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error("sysctl getting ip6stat failed");
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return 0;
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}
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oldstat = initstat;
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return 1;
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}
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void
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resetip6(void)
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{
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size_t len;
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int name[4];
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name[0] = CTL_NET;
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name[1] = PF_INET6;
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name[2] = IPPROTO_IPV6;
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name[3] = IPV6CTL_STATS;
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len = sizeof initstat;
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if (sysctl(name, 4, &initstat, &len, 0, 0) < 0) {
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error("sysctl getting ipstat failed");
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}
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oldstat = initstat;
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}
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void
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fetchip6(void)
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{
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int name[4];
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size_t len;
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oldstat = curstat;
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name[0] = CTL_NET;
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name[1] = PF_INET6;
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name[2] = IPPROTO_IPV6;
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name[3] = IPV6CTL_STATS;
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len = sizeof curstat;
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if (sysctl(name, 4, &curstat, &len, 0, 0) < 0)
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return;
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}
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#endif
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