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netlink.pl
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netlink.pl
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#!/usr/bin/perl
# Copyright (c) 2022 Moritz Buhl <[email protected]>
# Copyright (c) 2018-2024 Alexander Bluhm <[email protected]>
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
use strict;
use warnings;
use Cwd;
use File::Basename;
use File::Path qw(remove_tree);
use Getopt::Std;
use POSIX;
use Time::HiRes;
use lib dirname($0);
use Netstat;
my @allifaces = qw(none bge bnxt em igc ix ixl re vio vmx);
my @allmodifymodes = qw(none jumbo nolro nopf notso);
my @allpseudos = qw(none bridge carp gif gif6 gre veb vlan vxlan wg);
my @alltestmodes = sort qw(all icmp tcp udp splice);
my %opts;
getopts('c:e:i:m:t:v', \%opts) or do {
print STDERR <<"EOF";
usage: netlink.pl [-v] [-c pseudo] [-e environment] [-i iface] [-m modify]
[-t timeout] [test ...]
-c pseudo pseudo network device: @allpseudos
-e environ parse environment for tests from shell script
-i iface interface, may contain number: @allifaces
-m modify modify mode: @allmodifymodes
-t timeout timeout for a single test, default 30 seconds
-v verbose
test ... test mode: @alltestmodes
appending 4 or 6 to a test restricts the IP version.
EOF
exit(2);
};
my $timeout = $opts{t} || 30;
environment($opts{e}) if $opts{e};
my $pseudo = $opts{c} || "none";
my $iface = $opts{i} || "none";
my $modify = $opts{m} || "none";
my $line = $ENV{NETLINK_LINE}
or die "NETLINK_LINE is not in env";
my $management_if = $ENV{MANAGEMENT_IF}
or die "MANAGEMENT_IF is not in env";
my $linux_if = $ENV{LINUX_IF}
or die "LINUX_IF is not in env";
my $linux_left_ssh = $ENV{LINUX_LEFT_SSH}
or die "LINUX_LEFT_SSH is not in env";
my $linux_right_ssh = $ENV{LINUX_RIGHT_SSH}
or die "LINUX_RIGHT_SSH is not in env";
my ($iftype, $ifnum) = $iface =~ /^([a-z]+)([0-9]+)?$/;
grep { $_ eq $iftype } @allifaces
or die "Unknown interface '$iface'";
my ($left_ifidx, $right_ifidx);
if (defined($ifnum)) {
$left_ifidx = $ifnum + 0;
$right_ifidx = $ifnum + 1;
} else {
$left_ifidx = 0;
$right_ifidx = 1;
}
if (($iftype.$left_ifidx) eq $management_if ||
($iftype.$right_ifidx) eq $management_if) {
if (defined($ifnum)) {
die "Cannot use inferface '$iface', conflicts management";
} else {
$left_ifidx = 2;
$right_ifidx = 3;
}
}
warn "left interface should be in the wrong network" if ($left_ifidx % 2);
warn "right interface should be in the wrong network" if (!$right_ifidx % 2);
grep { $_ eq $modify } @allmodifymodes
or die "Unknnown modify mode '$modify'";
grep { $_ eq $pseudo } @allpseudos
or die "Unknown pseudo network device '$pseudo'";
@alltestmodes = map { ($_, "${_}4", "${_}6") } @alltestmodes;
my %testmode;
foreach my $mode (@ARGV) {
grep { $_ eq $mode } @alltestmodes
or die "Unknown test mode '$mode'";
$testmode{$mode} = 1;
}
$testmode{all4} = $testmode{all6} = 1 if ($testmode{all});
if ($testmode{all4}) {
$testmode{$_} = 1 foreach map { "${_}4" } @alltestmodes;
}
if ($testmode{all6}) {
$testmode{$_} = 1 foreach map { "${_}6" } @alltestmodes;
}
foreach (keys %testmode) {
$testmode{"${_}4"} = $testmode{"${_}6"} = 1 if $_ !~ /[46]$/;
}
my $ip4prefix = '10.10.';
my $ip6prefix = 'fdd7:e83e:66bd:10';
my $obsd_l_if = $iftype . $left_ifidx;
my $obsd_l_ipdev = $obsd_l_if;
my $obsd_l_mtu = 1500;
my $obsd_l_addr = "${ip4prefix}${line}1.2";
my $obsd_l_net = "${ip4prefix}${line}1.0/24";
my $obsd_l_net_flat = "${ip4prefix}${line}0.0/21";
my $obsd_l_prefix = 24;
my $obsd_l_prefix_flat = 21;
my $obsd_l_addr6 = "${ip6prefix}${line}1::2";
my $obsd_l_net6 = "${ip6prefix}${line}1::/64";
my $obsd_l_net6_flat = "${ip6prefix}${line}0::/60";
my $obsd_l_prefix6 = 64;
my $obsd_l_prefix6_flat = 60;
my @obsd_l_addr_range = map { "$obsd_l_addr$_" } 0..9;
my @obsd_l_addr6_range = map { "$obsd_l_addr6$_" } 0..9;
my $obsd_l_tunnel_addr = "${ip4prefix}${line}3.2";
my $obsd_l_tunnel_net = "${ip4prefix}${line}3.0/24";
my $obsd_l_tunnel_addr6 = "${ip6prefix}${line}3::2";
my $obsd_l_tunnel_net6 = "${ip6prefix}${line}3::/64";
my $mcast_l_tunnel_addr = "234.${ip4prefix}${line}3";
my $obsd_r_if = $iftype . $right_ifidx;
my $obsd_r_ipdev = $obsd_r_if;
my $obsd_r_mtu = 1500;
my $obsd_r_addr = "${ip4prefix}${line}2.3";
my $obsd_r_net = "${ip4prefix}${line}2.0/24";
my $obsd_r_prefix = 24;
my $obsd_r_addr6 = "${ip6prefix}${line}2::3";
my $obsd_r_net6 = "${ip6prefix}${line}2::/64";
my $obsd_r_prefix6 = 64;
my $obsd_r_tunnel_addr = "${ip4prefix}${line}4.3";
my $obsd_r_tunnel_net = "${ip4prefix}${line}4.0/24";
my $obsd_r_tunnel_addr6 = "${ip6prefix}${line}4::3";
my $obsd_r_tunnel_net6 = "${ip6prefix}${line}3::/64";
my $mcast_r_tunnel_addr = "234.${ip4prefix}${line}4";
my $lnx_if = $linux_if;
my $lnx_pdev = "$lnx_if.$line";
my $lnx_ipdev = $lnx_if;
my $lnx_l_mtu = 1500;
my $lnx_l_addr = "${ip4prefix}${line}1.1";
my $lnx_l_net = "$lnx_l_addr/24";
my $lnx_l_net_flat = "$lnx_l_addr/21";
my $lnx_l_addr6 = "${ip6prefix}${line}1::1";
my $lnx_l_net6 = "$lnx_l_addr6/64";
my $lnx_l_net6_flat = "$lnx_l_addr6/60";
my $lnx_l_ssh = $linux_left_ssh;
my $lnx_l_tunnel_addr = "${ip4prefix}${line}3.1";
my $lnx_l_tunnel_net = "$lnx_l_tunnel_addr/24";
my $lnx_l_tunnel_addr6 = "${ip6prefix}${line}3::1";
my $lnx_l_tunnel_net6 = "$lnx_l_tunnel_addr6/64";
my $lnx_r_mtu = 1500;
my $lnx_r_addr = "${ip4prefix}${line}2.4";
my $lnx_r_net = "$lnx_r_addr/24";
my $lnx_r_net_flat = "$lnx_r_addr/21";
my $lnx_r_addr6 = "${ip6prefix}${line}2::4";
my $lnx_r_net6 = "$lnx_r_addr6/64";
my $lnx_r_net6_flat = "$lnx_r_addr6/60";
my $lnx_r_ssh = $linux_right_ssh;
my @lnx_r_addr_range = map { "$lnx_r_addr$_" } 0..9;
my @lnx_r_net_range = map { "$_/24" } @lnx_r_addr_range;
my @lnx_r_net_range_flat = map { "$_/21" } @lnx_r_addr_range;
my @lnx_r_addr6_range = map { "$lnx_r_addr6$_" } 0..9;
my @lnx_r_net6_range = map { "$_/64" } @lnx_r_addr6_range;
my @lnx_r_net6_range_flat = map { "$_/60" } @lnx_r_addr6_range;
my $lnx_r_tunnel_addr = "${ip4prefix}${line}4.4";
my $lnx_r_tunnel_net = "$lnx_r_tunnel_addr/24";
my $lnx_r_tunnel_addr6 = "${ip6prefix}${line}4::4";
my $lnx_r_tunnel_net6 = "$lnx_r_tunnel_addr6/64";
my (@obsd_l_dest_addr, @obsd_l_dest_addr6,
@obsd_r_dest_addr, @obsd_r_dest_addr6);
my $dir = dirname($0);
chdir($dir)
or die "Change directory to '$dir' failed: $!";
my $netlinkdir = getcwd();
# write summary of results into result file
open(my $tr, '>', "test.result")
or die "Open 'test.result' for writing failed: $!";
$tr->autoflush();
$| = 1;
my $logdir = "$netlinkdir/logs";
remove_tree($logdir);
mkdir $logdir
or die "Make directory '$logdir' failed: $!";
chdir($logdir)
or die "Change directory to '$logdir' failed: $!";
sub bad {
my ($test, $reason, $message, $log) = @_;
print $log "\n$reason\t$test\t$message\n" if $log;
print "\n$reason\t$test\t$message\n\n" if $opts{v};
print $tr "$reason\t$test\t$message\n";
statistics($test, "after");
generate_diff_netstat($test);
$log->sync() if $log;
$tr->sync();
no warnings 'exiting';
alarm(0);
# the local and eval around the signal handler behave unexpectedly
next TEST;
}
sub good {
my ($test, $diff, $log) = @_;
my $duration = sprintf("%dm%02d.%02ds", $diff/60, $diff%60, 100*$diff%100);
statistics($test, "after");
generate_diff_netstat($test);
my $pass = "PASS";
my $netstat = "$test.stats-netstat-diff.txt";
open(my $fh, '<', $netstat) or die("Could not open '$netstat'");
while(<$fh>) {
$pass = "XPASS" if /error/;
}
print $log "\n$pass\t$test\tDuration $duration\n" if $log;
print "\n$pass\t$test\tDuration $duration\n\n" if $opts{v};
print $tr "$pass\t$test\tDuration $duration\n";
$log->sync() if $log;
$tr->sync();
}
# unconfigure all interfaces used in testing
my @allinterfaces = map { m{^([a-z]+\d+):} } `ifconfig`;
foreach my $if (@allinterfaces) {
unless ($if =~ m{^(lo|enc|pflog|${management_if})}) {
printcmd('ifconfig', $if, '-inet', '-inet6', 'down');
}
my $pdevre = join '|', (@allpseudos, "vether", "vport");
printcmd('ifconfig', $if, 'destroy') if ($if =~ m{^($pdevre)\d+});
}
foreach my $net ($obsd_l_net, $obsd_l_net6, $obsd_r_net, $obsd_r_net6) {
printcmd('route', 'delete', $net);
}
# unconfigure Linux interfaces
printcmd('ssh', $lnx_l_ssh, qw(
for if in), $lnx_if, $lnx_pdev, qw(; do
for net in),
$lnx_l_net, $lnx_l_net6, $lnx_l_net_flat, $lnx_l_net6_flat,
$lnx_l_tunnel_net, $lnx_l_tunnel_net6, qw(; do
ip address delete $net dev $if ;
done ;
done));
printcmd('ssh', $lnx_r_ssh, qw(
for if in), $lnx_if, $lnx_pdev, qw(; do
for net in),
$lnx_r_net, $lnx_r_net6, $lnx_r_net_flat, $lnx_r_net6_flat,
@lnx_r_net_range, @lnx_r_net6_range,
@lnx_r_net_range_flat, @lnx_r_net6_range_flat,
$lnx_r_tunnel_net, $lnx_r_tunnel_net6, qw(; do
ip address delete $net dev $if ;
done ;
done));
printcmd('ssh', $lnx_l_ssh, qw(
for net in), $obsd_r_net, $obsd_r_net6, $obsd_l_net, $obsd_l_net6, qw(; do
ip route delete $net ;
done));
printcmd('ssh', $lnx_r_ssh, qw(
for net in), $obsd_l_net, $obsd_l_net6, $obsd_r_net, $obsd_r_net6, qw(; do
ip route delete $net ;
done));
# flush ARP and ND6 entries on OpenBSD and Linux
printcmd('arp', '-da');
printcmd('ndp', '-c');
foreach my $ssh ($lnx_l_ssh, $lnx_r_ssh) {
printcmd('ssh', $ssh, qw(
for if in), $lnx_if, $lnx_pdev, qw(; do
for af in -4 -6 ; do
ip $af neigh flush all dev $if ;
done ;
done));
printcmd('ssh', $ssh, 'ip', 'link', 'delete', 'dev', $lnx_pdev);
printcmd('ssh', $ssh, 'ip', 'link', 'set', $lnx_if, 'up');
}
printcmd('sysctl', 'net.inet.ip.forwarding=1');
printcmd('sysctl', 'net.inet6.ip6.forwarding=1');
printcmd('sysctl', 'net.inet.gre.allow=1');
# allow tcpbench to bind on ipv6 addresses without explicitly providing it
printcmd('ssh', $lnx_l_ssh, 'sysctl','net.ipv6.bindv6only=1');
printcmd('ssh', $lnx_r_ssh, 'sysctl','net.ipv6.bindv6only=1');
# allow fragment reassembly to use up to 1GiB of memory
printcmd('ssh', $lnx_l_ssh, 'sysctl',
'net.ipv6.ip6frag_high_thresh=1073741824');
printcmd('ssh', $lnx_r_ssh, 'sysctl',
'net.ipv6.ip6frag_high_thresh=1073741824');
printcmd('ssh', $lnx_l_ssh, 'sysctl', 'net.ipv4.ipfrag_high_thresh=1073741824');
printcmd('ssh', $lnx_r_ssh, 'sysctl', 'net.ipv4.ipfrag_high_thresh=1073741824');
eval { tcpbench_service() };
eval { tcpbench_init() };
tcpbench_rc();
if ($modify eq 'nopf') {
printcmd('/sbin/pfctl', '-d');
} else {
printcmd('/sbin/pfctl', '-e', '-f', '/etc/pf.conf');
}
if ($modify eq 'notso') {
printcmd('sysctl', 'net.inet.tcp.tso=0');
} else {
printcmd('sysctl', 'net.inet.tcp.tso=1');
}
print "\nold config destroyed: modify $modify\n\n";
# only run generic setup code, basically destroys interface config
exit if $iface eq "none";
my %hwfeatures;
foreach my $if ($obsd_l_if, $obsd_r_if) {
my @cmd = ('/sbin/ifconfig', $if, 'hwfeatures');
open(my $fh, '-|', @cmd)
or die "Open pipe from command '@cmd' failed: $!";
my @hwf = grep { /^\thwfeatures=/ } <$fh>;
close($fh) or die $! ?
"Close pipe from command '@cmd' failed: $!" :
"Command '@cmd' failed: $?";
@hwf
or next;
@hwf == 1
or die "Hardware features of '$if' not unique: @hwf";
$hwfeatures{$if} = $hwf[0];
}
foreach my $if (sort keys %hwfeatures) {
my $hwf = $hwfeatures{$if};
my $hwlro = ($hwf =~ /\bLRO\b/);
if ($hwlro) {
if ($modify eq 'nolro') {
printcmd('/sbin/ifconfig', $if, '-tcplro');
} else {
printcmd('/sbin/ifconfig', $if, 'tcplro');
}
}
my ($hwhardmtu) = ($hwf =~ /\bhardmtu (\d+)\b/);
my $mtu = 1500;
if ($modify eq 'jumbo' && $hwhardmtu) {
($mtu = $hwhardmtu) =~ s/...$/000/ if $hwhardmtu >= 2000;
$mtu = 10000 if $mtu > 10000;
$obsd_l_mtu = $lnx_l_mtu = $mtu if $if eq $obsd_l_if;
$obsd_r_mtu = $lnx_r_mtu = $mtu if $if eq $obsd_r_if;
}
printcmd('/sbin/ifconfig', $if, 'mtu', $mtu);
}
if ($pseudo eq 'aggr') {
# XXX: does now work as switch is not configured
# TODO: multiple interfaces in one aggr
printcmd('ifconfig', 'aggr0', 'create');
printcmd('ifconfig', 'aggr1', 'create');
printcmd('ifconfig', 'aggr0', 'trunkport', $obsd_l_if);
printcmd('ifconfig', 'aggr1', 'trunkport', $obsd_r_if);
printcmd('ifconfig', $obsd_l_if, 'up');
printcmd('ifconfig', $obsd_r_if, 'up');
$obsd_l_ipdev = "aggr0";
$obsd_r_ipdev = "aggr1";
} elsif ($pseudo eq 'bridge') {
printcmd('ifconfig', 'bridge0', 'create');
printcmd('ifconfig', 'vether0', 'create');
printcmd('ifconfig', 'bridge0', 'add', $obsd_l_if);
printcmd('ifconfig', 'bridge0', 'add', $obsd_r_if);
printcmd('ifconfig', 'bridge0', 'add', 'vether0');
printcmd('ifconfig', $obsd_l_if, 'up');
printcmd('ifconfig', $obsd_r_if, 'up');
printcmd('ifconfig', 'bridge0', 'up');
# OpenBSD bridge port has only one vether interface
$obsd_l_ipdev = "vether0";
$obsd_r_ipdev = undef;
($obsd_r_addr, $obsd_r_net, $obsd_r_addr6, $obsd_r_net6) = ();
# left and rigt network is flat by reducing prefix length
($obsd_l_net, $obsd_l_prefix, $obsd_l_net6, $obsd_l_prefix6) =
($obsd_l_net_flat, $obsd_l_prefix_flat,
$obsd_l_net6_flat, $obsd_l_prefix6_flat);
($lnx_l_net, $lnx_l_net6) = ($lnx_l_net_flat, $lnx_l_net6_flat);
($lnx_r_net, $lnx_r_net6) = ($lnx_r_net_flat, $lnx_r_net6_flat);
(@lnx_r_net_range, @lnx_r_net6_range) =
(@lnx_r_net_range_flat, @lnx_r_net6_range_flat);
} elsif ($pseudo eq 'carp') {
my $carp_l_vhid = "1${line}1";
my $carp_r_vhid = "1${line}2";
# TODO: two carp as master and backup
printcmd('ifconfig', 'carp0', 'create');
printcmd('ifconfig', 'carp1', 'create');
printcmd('ifconfig', 'carp0', 'carpdev', $obsd_l_if, 'vhid', $carp_l_vhid);
printcmd('ifconfig', 'carp1', 'carpdev', $obsd_r_if, 'vhid', $carp_r_vhid);
printcmd('ifconfig', $obsd_l_if, 'up');
printcmd('ifconfig', $obsd_r_if, 'up');
$obsd_l_ipdev = "carp0";
$obsd_r_ipdev = "carp1";
} elsif ($pseudo eq 'gif') {
# configure OpenBSD tunnel addresses
printcmd('ifconfig', $obsd_l_if, 'inet', "$obsd_l_tunnel_addr/24");
printcmd('ifconfig', $obsd_r_if, 'inet', "$obsd_r_tunnel_addr/24");
printcmd('ifconfig', 'gif0', 'create');
printcmd('ifconfig', 'gif1', 'create');
printcmd('ifconfig', 'gif0', 'mtu', '1480',
'tunnel', $obsd_l_tunnel_addr, $lnx_l_tunnel_addr);
printcmd('ifconfig', 'gif1', 'mtu', '1480',
'tunnel', $obsd_r_tunnel_addr, $lnx_r_tunnel_addr);
printcmd('ifconfig', $obsd_l_if, 'up');
printcmd('ifconfig', $obsd_r_if, 'up');
$obsd_l_ipdev = "gif0";
$obsd_r_ipdev = "gif1";
$obsd_l_prefix = 32;
$obsd_l_prefix6 = 128;
$obsd_r_prefix = 32;
$obsd_r_prefix6 = 128;
@obsd_l_dest_addr = $lnx_l_addr;
@obsd_l_dest_addr6 = $lnx_l_addr6;
@obsd_r_dest_addr = $lnx_r_addr;
@obsd_r_dest_addr6 = $lnx_r_addr6;
foreach my $ssh ($lnx_l_ssh, $lnx_r_ssh) {
printcmd('ssh', $ssh, 'modprobe', 'sit');
}
# configure Linux tunnel addresses
printcmd('ssh', $lnx_l_ssh, 'ip', 'address', 'add', $lnx_l_tunnel_net,
'dev', $lnx_if);
printcmd('ssh', $lnx_r_ssh, 'ip', 'address', 'add', $lnx_r_tunnel_net,
'dev', $lnx_if);
printcmd('ssh', $lnx_l_ssh, 'ip', 'link', 'add', 'name', $lnx_pdev,
'type', 'sit', 'mode', 'any',
'local', $lnx_l_tunnel_addr, 'remote', $obsd_l_tunnel_addr);
printcmd('ssh', $lnx_r_ssh, 'ip', 'link', 'add', 'name', $lnx_pdev,
'type', 'sit', 'mode', 'any',
'local', $lnx_r_tunnel_addr, 'remote', $obsd_r_tunnel_addr);
foreach my $ssh ($lnx_l_ssh, $lnx_r_ssh) {
printcmd('ssh', $ssh, 'ip', 'link', 'set', 'dev', $lnx_if, 'up');
}
$lnx_ipdev = $lnx_pdev;
} elsif ($pseudo eq 'gif6') {
# configure OpenBSD tunnel addresses
printcmd('ifconfig', $obsd_l_if, 'inet6', "$obsd_l_tunnel_addr6/64");
printcmd('ifconfig', $obsd_r_if, 'inet6', "$obsd_r_tunnel_addr6/64");
printcmd('ifconfig', 'gif0', 'create');
printcmd('ifconfig', 'gif1', 'create');
printcmd('ifconfig', 'gif0', 'mtu', '1460',
'tunnel', $obsd_l_tunnel_addr6, $lnx_l_tunnel_addr6);
printcmd('ifconfig', 'gif1', 'mtu', '1460',
'tunnel', $obsd_r_tunnel_addr6, $lnx_r_tunnel_addr6);
printcmd('ifconfig', $obsd_l_if, 'up');
printcmd('ifconfig', $obsd_r_if, 'up');
$obsd_l_ipdev = "gif0";
$obsd_r_ipdev = "gif1";
$obsd_l_prefix = 32;
$obsd_l_prefix6 = 128;
$obsd_r_prefix = 32;
$obsd_r_prefix6 = 128;
@obsd_l_dest_addr = $lnx_l_addr;
@obsd_l_dest_addr6 = $lnx_l_addr6;
@obsd_r_dest_addr = $lnx_r_addr;
@obsd_r_dest_addr6 = $lnx_r_addr6;
foreach my $ssh ($lnx_l_ssh, $lnx_r_ssh) {
printcmd('ssh', $ssh, 'modprobe', 'ip6_tunnel');
}
# configure Linux tunnel addresses
printcmd('ssh', $lnx_l_ssh, 'ip', 'address', 'add', $lnx_l_tunnel_net6,
'dev', $lnx_if);
printcmd('ssh', $lnx_r_ssh, 'ip', 'address', 'add', $lnx_r_tunnel_net6,
'dev', $lnx_if);
printcmd('ssh', $lnx_l_ssh, 'ip', 'link', 'add', 'name', $lnx_pdev,
'type', 'ip6tnl', 'mode', 'any', 'encaplimit', 'none',
'local', $lnx_l_tunnel_addr6, 'remote', $obsd_l_tunnel_addr6);
printcmd('ssh', $lnx_r_ssh, 'ip', 'link', 'add', 'name', $lnx_pdev,
'type', 'ip6tnl', 'mode', 'any', 'encaplimit', 'none',
'local', $lnx_r_tunnel_addr6, 'remote', $obsd_r_tunnel_addr6);
foreach my $ssh ($lnx_l_ssh, $lnx_r_ssh) {
printcmd('ssh', $ssh, 'ip', 'link', 'set', 'dev', $lnx_if, 'up');
}
$lnx_ipdev = $lnx_pdev;
} elsif ($pseudo eq 'gre') {
my $gre_l_key = "2${line}1";
my $gre_r_key = "2${line}2";
# configure OpenBSD tunnel addresses
printcmd('ifconfig', $obsd_l_if, 'inet', "$obsd_l_tunnel_addr/24");
printcmd('ifconfig', $obsd_r_if, 'inet', "$obsd_r_tunnel_addr/24");
printcmd('ifconfig', 'gre0', 'create');
printcmd('ifconfig', 'gre1', 'create');
printcmd('ifconfig', 'gre0', 'vnetid', $gre_l_key,
'tunnel', $obsd_l_tunnel_addr, $lnx_l_tunnel_addr);
printcmd('ifconfig', 'gre1', 'vnetid', $gre_r_key,
'tunnel', $obsd_r_tunnel_addr, $lnx_r_tunnel_addr);
printcmd('ifconfig', $obsd_l_if, 'up');
printcmd('ifconfig', $obsd_r_if, 'up');
$obsd_l_ipdev = "gre0";
$obsd_r_ipdev = "gre1";
$obsd_l_prefix = 32;
$obsd_l_prefix6 = 128;
$obsd_r_prefix = 32;
$obsd_r_prefix6 = 128;
@obsd_l_dest_addr = $lnx_l_addr;
@obsd_l_dest_addr6 = $lnx_l_addr6;
@obsd_r_dest_addr = $lnx_r_addr;
@obsd_r_dest_addr6 = $lnx_r_addr6;
# configure Linux tunnel addresses
foreach my $ssh ($lnx_l_ssh, $lnx_r_ssh) {
printcmd('ssh', $ssh, 'modprobe', 'ip_gre');
}
printcmd('ssh', $lnx_l_ssh, 'ip', 'address', 'add', $lnx_l_tunnel_net,
'dev', $lnx_if);
printcmd('ssh', $lnx_r_ssh, 'ip', 'address', 'add', $lnx_r_tunnel_net,
'dev', $lnx_if);
printcmd('ssh', $lnx_l_ssh, 'ip', 'link', 'add', 'name', $lnx_pdev,
'type', 'gre', 'key', $gre_l_key,
'local', $lnx_l_tunnel_addr, 'remote', $obsd_l_tunnel_addr);
printcmd('ssh', $lnx_r_ssh, 'ip', 'link', 'add', 'name', $lnx_pdev,
'type', 'gre', 'key', $gre_r_key,
'local', $lnx_r_tunnel_addr, 'remote', $obsd_r_tunnel_addr);
foreach my $ssh ($lnx_l_ssh, $lnx_r_ssh) {
printcmd('ssh', $ssh, 'ip', 'link', 'set', 'dev', $lnx_if, 'up');
}
$lnx_ipdev = $lnx_pdev;
} elsif ($pseudo eq 'veb') {
printcmd('ifconfig', 'veb0', 'create');
printcmd('ifconfig', 'vport0', 'create');
printcmd('ifconfig', 'veb0', 'add', $obsd_l_if);
printcmd('ifconfig', 'veb0', 'add', $obsd_r_if);
printcmd('ifconfig', 'veb0', 'add', 'vport0');
printcmd('ifconfig', $obsd_l_if, 'up');
printcmd('ifconfig', $obsd_r_if, 'up');
printcmd('ifconfig', 'veb0', 'up');
# OpenBSD veb port has only one interface
$obsd_l_ipdev = "vport0";
$obsd_r_ipdev = undef;
($obsd_r_addr, $obsd_r_net, $obsd_r_addr6, $obsd_r_net6) = ();
# left and rigt network is flat by reducing prefix length
($obsd_l_net, $obsd_l_prefix, $obsd_l_net6, $obsd_l_prefix6) =
($obsd_l_net_flat, $obsd_l_prefix_flat,
$obsd_l_net6_flat, $obsd_l_prefix6_flat);
($lnx_l_net, $lnx_l_net6) = ($lnx_l_net_flat, $lnx_l_net6_flat);
($lnx_r_net, $lnx_r_net6, @lnx_r_net_range, @lnx_r_net6_range) =
($lnx_r_net_flat, $lnx_r_net6_flat,
@lnx_r_net_range_flat, @lnx_r_net6_range_flat);
} elsif ($pseudo eq 'vlan') {
my $vlan_l_vnetid = "2${line}1";
my $vlan_r_vnetid = "2${line}2";
printcmd('ifconfig', 'vlan0', 'create');
printcmd('ifconfig', 'vlan1', 'create');
printcmd('ifconfig', 'vlan0', 'parent', $obsd_l_if,
'vnetid', $vlan_l_vnetid);
printcmd('ifconfig', 'vlan1', 'parent', $obsd_r_if,
'vnetid', $vlan_r_vnetid);
printcmd('ifconfig', $obsd_l_if, 'up');
printcmd('ifconfig', $obsd_r_if, 'up');
$obsd_l_ipdev = "vlan0";
$obsd_r_ipdev = "vlan1";
foreach my $ssh ($lnx_l_ssh, $lnx_r_ssh) {
printcmd('ssh', $ssh, 'modprobe', '8021q');
}
printcmd('ssh', $lnx_l_ssh, 'ip', 'link', 'add', 'link', $lnx_if,
'name', $lnx_pdev, 'type', 'vlan', 'id', $vlan_l_vnetid);
printcmd('ssh', $lnx_r_ssh, 'ip', 'link', 'add', 'link', $lnx_if,
'name', $lnx_pdev, 'type', 'vlan', 'id', $vlan_r_vnetid);
foreach my $ssh ($lnx_l_ssh, $lnx_r_ssh) {
printcmd('ssh', $ssh, 'ip', 'link', 'set', 'dev', $lnx_if, 'up');
}
$lnx_ipdev = $lnx_pdev;
} elsif ($pseudo eq 'vxlan-pointtopoint') {
my $vxlan_l_vnetid = "3${line}1";
my $vxlan_r_vnetid = "3${line}2";
printcmd('ifconfig', $obsd_l_if, 'inet', "$obsd_l_tunnel_addr/24");
printcmd('ifconfig', $obsd_r_if, 'inet', "$obsd_r_tunnel_addr/24");
printcmd('ifconfig', $obsd_l_if, 'mtu', 1600);
printcmd('ifconfig', $obsd_r_if, 'mtu', 1600);
printcmd('ifconfig', 'vxlan0', 'create');
printcmd('ifconfig', 'vxlan1', 'create');
printcmd('ifconfig', 'vxlan0',
'tunnel', $obsd_l_tunnel_addr, $lnx_l_tunnel_addr);
printcmd('ifconfig', 'vxlan1',
'tunnel', $obsd_r_tunnel_addr, $lnx_r_tunnel_addr);
printcmd('ifconfig', 'vxlan0', 'vnetid', $vxlan_l_vnetid);
printcmd('ifconfig', 'vxlan1', 'vnetid', $vxlan_r_vnetid);
printcmd('ifconfig', $obsd_l_if, 'up');
printcmd('ifconfig', $obsd_r_if, 'up');
$obsd_l_ipdev = "vxlan0";
$obsd_r_ipdev = "vxlan1";
foreach my $ssh ($lnx_l_ssh, $lnx_r_ssh) {
printcmd('ssh', $ssh, 'modprobe', 'vxlan');
}
# configure Linux tunnel addresses
printcmd('ssh', $lnx_l_ssh, 'ip', 'address', 'add', $lnx_l_tunnel_net,
'dev', $lnx_if);
printcmd('ssh', $lnx_r_ssh, 'ip', 'address', 'add', $lnx_r_tunnel_net,
'dev', $lnx_if);
printcmd('ssh', $lnx_l_ssh, 'ip', 'link', 'add', 'name', $lnx_pdev,
'type', 'vxlan', 'id', $vxlan_l_vnetid, 'dstport', 4789,
'local', $lnx_l_tunnel_addr, 'remote', $obsd_l_tunnel_addr);
printcmd('ssh', $lnx_r_ssh, 'ip', 'link', 'add', 'name', $lnx_pdev,
'type', 'vxlan', 'id', $vxlan_r_vnetid, 'dstport', 4789,
'local', $lnx_r_tunnel_addr, 'remote', $obsd_r_tunnel_addr);
foreach my $ssh ($lnx_l_ssh, $lnx_r_ssh) {
printcmd('ssh', $ssh, 'ip', 'link', 'set', 'dev', $lnx_if, 'up');
}
$lnx_l_mtu = $lnx_r_mtu = 1600;
$lnx_ipdev = $lnx_pdev;
} elsif ($pseudo eq 'vxlan-learning' || $pseudo eq 'vxlan') {
my $vxlan_l_vnetid = "4${line}1";
my $vxlan_r_vnetid = "4${line}2";
printcmd('ifconfig', $obsd_l_if, 'inet', "$obsd_l_tunnel_addr/24");
printcmd('ifconfig', $obsd_r_if, 'inet', "$obsd_r_tunnel_addr/24");
printcmd('ifconfig', $obsd_l_if, 'mtu', 1600);
printcmd('ifconfig', $obsd_r_if, 'mtu', 1600);
printcmd('ifconfig', 'vxlan0', 'create');
printcmd('ifconfig', 'vxlan1', 'create');
printcmd('ifconfig', 'vxlan0',
'parent', $obsd_l_if,
'tunnel', $obsd_l_tunnel_addr, $mcast_l_tunnel_addr);
printcmd('ifconfig', 'vxlan1',
'parent', $obsd_r_if,
'tunnel', $obsd_r_tunnel_addr, $mcast_r_tunnel_addr);
printcmd('ifconfig', 'vxlan0', 'vnetid', $vxlan_l_vnetid);
printcmd('ifconfig', 'vxlan1', 'vnetid', $vxlan_r_vnetid);
printcmd('ifconfig', $obsd_l_if, 'up');
printcmd('ifconfig', $obsd_r_if, 'up');
$obsd_l_ipdev = "vxlan0";
$obsd_r_ipdev = "vxlan1";
foreach my $ssh ($lnx_l_ssh, $lnx_r_ssh) {
printcmd('ssh', $ssh, 'modprobe', 'vxlan');
}
# configure Linux tunnel addresses
printcmd('ssh', $lnx_l_ssh, 'ip', 'address', 'add', $lnx_l_tunnel_net,
'dev', $lnx_if);
printcmd('ssh', $lnx_r_ssh, 'ip', 'address', 'add', $lnx_r_tunnel_net,
'dev', $lnx_if);
printcmd('ssh', $lnx_l_ssh, 'ip', 'link', 'add', 'name', $lnx_pdev,
'type', 'vxlan', 'id', $vxlan_l_vnetid, 'dstport', 4789,
'dev', $lnx_if,
'local', $lnx_l_tunnel_addr, 'group', $mcast_l_tunnel_addr);
printcmd('ssh', $lnx_r_ssh, 'ip', 'link', 'add', 'name', $lnx_pdev,
'type', 'vxlan', 'id', $vxlan_r_vnetid, 'dstport', 4789,
'dev', $lnx_if,
'local', $lnx_r_tunnel_addr, 'group', $mcast_r_tunnel_addr);
foreach my $ssh ($lnx_l_ssh, $lnx_r_ssh) {
printcmd('ssh', $ssh, 'ip', 'link', 'set', 'dev', $lnx_if, 'up');
}
$lnx_l_mtu = $lnx_r_mtu = 1600;
$lnx_ipdev = $lnx_pdev;
} elsif ($pseudo eq 'wg') {
my @lnx_pub;
foreach my $ssh ($lnx_l_ssh, $lnx_r_ssh) {
printcmd('ssh', $ssh, 'modprobe', 'wireguard');
printcmd('ssh', $ssh,
'wg genkey | tee wg-private.key | wg pubkey >wg-public.key');
}
chomp(my $lnx_l_pub = `ssh $lnx_l_ssh cat wg-public.key`);
chomp(my $lnx_r_pub = `ssh $lnx_r_ssh cat wg-public.key`);
# configure OpenBSD tunnel addresses
printcmd('ifconfig', $obsd_l_if, 'inet', "$obsd_l_tunnel_addr/24");
printcmd('ifconfig', $obsd_r_if, 'inet', "$obsd_r_tunnel_addr/24");
printcmd('ifconfig', 'wg0', 'create');
printcmd('ifconfig', 'wg1', 'create');
chomp(my $obsd_l_key = `openssl rand -base64 32`);
chomp(my $obsd_r_key = `openssl rand -base64 32`);
printcmd('ifconfig', 'wg0', 'wgport', '7112', 'wgkey', $obsd_l_key,
'wgpeer', $lnx_l_pub, 'wgendpoint', $lnx_l_tunnel_addr, '7111',
'wgaip', $lnx_l_net, 'wgaip', $lnx_l_net6);
printcmd('ifconfig', 'wg1', 'wgport', '7113', 'wgkey', $obsd_r_key,
'wgpeer', $lnx_r_pub, 'wgendpoint', $lnx_r_tunnel_addr, '7114',
'wgaip', $lnx_r_net, 'wgaip', $lnx_r_net6,);
chomp(my $obsd_l_pub = `ifconfig wg0 | grep 'wgpubkey' | cut -d ' ' -f 2`);
chomp(my $obsd_r_pub = `ifconfig wg1 | grep 'wgpubkey' | cut -d ' ' -f 2`);
printcmd('ifconfig', $obsd_l_if, 'up');
printcmd('ifconfig', $obsd_r_if, 'up');
$obsd_l_ipdev = "wg0";
$obsd_r_ipdev = "wg1";
# configure Linux tunnel addresses
printcmd('ssh', $lnx_l_ssh, 'ip', 'address', 'add', $lnx_l_tunnel_net,
'dev', $lnx_if);
printcmd('ssh', $lnx_r_ssh, 'ip', 'address', 'add', $lnx_r_tunnel_net,
'dev', $lnx_if);
printcmd('ssh', $lnx_l_ssh, 'ip', 'link', 'add', 'name', $lnx_pdev,
'type', 'wireguard');
printcmd('ssh', $lnx_r_ssh, 'ip', 'link', 'add', 'name', $lnx_pdev,
'type', 'wireguard');
printcmd('ssh', $lnx_l_ssh, 'wg', 'set', $lnx_pdev, 'listen-port', '7111',
'private-key', 'wg-private.key', 'peer', $obsd_l_pub,
'allowed-ips', $obsd_l_net, 'allowed-ips', $obsd_l_net6,
'allowed-ips', $obsd_r_net, 'allowed-ips', $obsd_r_net6,
'endpoint', "$obsd_l_tunnel_addr:7112");
printcmd('ssh', $lnx_r_ssh, 'wg', 'set', $lnx_pdev, 'listen-port', '7114',
'private-key', 'wg-private.key', 'peer', $obsd_r_pub,
'allowed-ips', $obsd_r_net, 'allowed-ips', $obsd_r_net6,
'allowed-ips', $obsd_l_net, 'allowed-ips', $obsd_l_net6,
'endpoint', "$obsd_r_tunnel_addr:7113");
foreach my $ssh ($lnx_l_ssh, $lnx_r_ssh) {
printcmd('ssh', $ssh, 'ip', 'link', 'set', 'dev', $lnx_if, 'up');
}
$lnx_ipdev = $lnx_pdev;
}
# XXX: trunk, tpmr, nipsec
# configure OpenBSD addresses
printcmd('ifconfig', $obsd_l_ipdev, 'inet', "$obsd_l_addr/$obsd_l_prefix",
@obsd_l_dest_addr);
printcmd('ifconfig', $obsd_l_ipdev, 'inet6', "$obsd_l_addr6/$obsd_l_prefix6",
@obsd_l_dest_addr6);
foreach my $addr (@obsd_l_addr_range) {
printcmd('ifconfig', $obsd_l_ipdev, 'inet', "$addr/32", 'alias');
}
foreach my $addr (@obsd_l_addr6_range) {
printcmd('ifconfig', $obsd_l_ipdev, 'inet6', "$addr/128", 'alias');
}
printcmd('ifconfig', $obsd_l_ipdev, 'mtu', $obsd_l_mtu)
if $obsd_l_ipdev ne $obsd_l_if && $obsd_l_mtu != 1500;
printcmd('ifconfig', $obsd_l_ipdev, 'up');
if ($obsd_r_ipdev) {
printcmd('ifconfig', $obsd_r_ipdev, 'inet',
"$obsd_r_addr/$obsd_r_prefix", @obsd_r_dest_addr);
printcmd('ifconfig', $obsd_r_ipdev, 'inet6',
"$obsd_r_addr6/$obsd_r_prefix6", @obsd_r_dest_addr6);
printcmd('ifconfig', $obsd_r_ipdev, 'mtu', $obsd_r_mtu)
if $obsd_r_ipdev ne $obsd_r_if && $obsd_r_mtu != 1500;
printcmd('ifconfig', $obsd_r_ipdev, 'up');
}
if (@obsd_l_dest_addr) {
printcmd('route', 'add', $obsd_l_net, @obsd_l_dest_addr);
}
if (@obsd_l_dest_addr6) {
printcmd('route', 'add', $obsd_l_net6, @obsd_l_dest_addr6);
}
if (@obsd_r_dest_addr) {
printcmd('route', 'add', $obsd_r_net, @obsd_r_dest_addr);
}
if (@obsd_r_dest_addr6) {
printcmd('route', 'add', $obsd_r_net6, @obsd_r_dest_addr6);
}
# configure Linux addresses and routes
printcmd('ssh', $lnx_l_ssh, 'ip', 'link', 'set', 'mtu', $lnx_l_mtu,
'dev', $lnx_if);
printcmd('ssh', $lnx_r_ssh, 'ip', 'link', 'set', 'mtu', $lnx_r_mtu,
'dev', $lnx_if);
printcmd('ssh', $lnx_l_ssh, qw(
for net in), $lnx_l_net, $lnx_l_net6, qw(; do
ip address add $net dev), $lnx_ipdev, qw(;
done));
printcmd('ssh', $lnx_r_ssh, qw(
for net in),
$lnx_r_net, $lnx_r_net6, @lnx_r_net_range, @lnx_r_net6_range, qw(; do
ip address add $net dev), $lnx_ipdev, qw(;
done));
foreach my $ssh ($lnx_l_ssh, $lnx_r_ssh) {
printcmd('ssh', $ssh, 'ip', 'link', 'set', 'dev', $lnx_ipdev, 'up');
}
if ($obsd_r_ipdev) {
printcmd('ssh', $lnx_l_ssh, 'ip', 'route', 'add', $obsd_r_net,
'via', $obsd_l_addr, 'dev', $lnx_ipdev);
printcmd('ssh', $lnx_l_ssh, 'ip', 'route', 'add', $obsd_r_net6,
'via', $obsd_l_addr6, 'dev', $lnx_ipdev);
printcmd('ssh', $lnx_r_ssh, 'ip', 'route', 'add', $obsd_l_net,
'via', $obsd_r_addr, 'dev', $lnx_ipdev);
printcmd('ssh', $lnx_r_ssh, 'ip', 'route', 'add', $obsd_l_net6,
'via', $obsd_r_addr6, 'dev', $lnx_ipdev);
}
print "waiting for interface link\n" if $opts{v};
sleep(3);
sleep(5) if $pseudo eq 'carp';
printcmd('ping', '-n', '-c1', '-w5', $lnx_l_addr);
printcmd('ping', '-n', '-c1', '-w5', $lnx_r_addr);
printcmd('ping6', '-n', '-c1', '-w5', $lnx_l_addr6);
printcmd('ping6', '-n', '-c1', '-w5', $lnx_r_addr6);
print "\nnew config created: modify $modify, iface $iface, pseudo $pseudo\n\n";
# only run interface creation, and network setup
exit unless %testmode;
my $netbench = "$netlinkdir/netbench.pl";
# tcpbench tests
sub tcpbench_server_startup {
# requires echo 1 > /proc/sys/net/ipv6/bindv6only
my @sshcmd = ('ssh', '-f', $lnx_r_ssh, 'service', 'tcpbench', 'start');
printcmd(@sshcmd)
and warn "Start linux tcpbench server with '@sshcmd' failed: $?";
my @cmd = ('rcctl', '-f', 'start', 'tcpbench');
printcmd(@cmd)
and die "Start local tcpbench server with '@cmd' failed: $?";
}
sub tcpbench_server_shutdown {
my @sshcmd = ('ssh', '-f', $lnx_r_ssh, 'service', 'tcpbench', 'stop');
printcmd(@sshcmd)
and die "Stop linux tcpbench server with '@sshcmd' failed: $?";
my @cmd = ('rcctl', '-f', 'stop', 'tcpbench');
printcmd(@cmd)
and die "Stop local tcpbench server with '@cmd' failed: $?";
}
my @tcpbench_subvalues;
sub tcpbench_parser {
my ($line, $log) = @_;
if ($line =~ m{ ([kmgt]?)bps: +([\d.]+) }i) {
my $value = $2;
my $unit = lc($1);
if ($unit eq '') {
} elsif ($unit eq 'k') {
$value *= 1000;
} elsif ($unit eq 'm') {
$value *= 1000*1000;
} elsif ($unit eq 'g') {
$value *= 1000*1000*1000;
} elsif ($unit eq 't') {
$value *= 1000*1000*1000*1000;
} else {
print $log "FAILED unknown unit $1\n" if $log;
print "FAILED unknown unit $1\n" if $opts{v};
return;
}
push @tcpbench_subvalues, $value;
}
return 1;
}
sub tcpbench_finalize {
my ($log) = @_;
unless (@tcpbench_subvalues) {
print $log "FAILED no sub values\n" if $log;
print "FAILED no sub values\n" if $opts{v};
return;
}
if (@tcpbench_subvalues >= 5) {
# first and last value have higher variance, take middle values
shift @tcpbench_subvalues;
pop @tcpbench_subvalues;
}
my $value = 0;
$value += $_ foreach @tcpbench_subvalues;
$value /= @tcpbench_subvalues;
undef @tcpbench_subvalues;
# too much precision is useless and produces ugly output
$value =~ s/\..*//;
print $tr "VALUE $value bits/sec sender\n";
return 1;
}
sub udpbench_parser {
my ($line, $log) = @_;
if ($line =~ m{^(send|recv): .*, bit/s ([\d.e+]+)\b}) {
my $direction = $1;
my $value = 0 + $2;
print $tr "VALUE $value bits/sec $direction\n";
}
return 1;
}
sub netbench_parser {
my ($line, $log) = @_;
if ($line =~ m{^(send|recv)all:.* bit/s ([\d.e+]+)\b}) {
my $direction = $1;
my $value = 0 + $2;
print $tr "VALUE $value bits/sec $direction\n";
}
return 1;
}
my $pingflood_loss;
sub pingflood_parser {
my ($line, $log) = @_;
my ($min, $avg, $max, $stddev);
if ($line =~ m{^(\d+) packets transmitted, (\d+) received,.* ([\.\d]+)% packet loss, time ([\.\d]+)ms$}) {
$pingflood_loss = 0 + $3;
print $tr "SUBVALUE $1 packet transmit\n";
print $tr "SUBVALUE $2 packet receive\n";
print $tr "SUBVALUE $pingflood_loss percent loss\n";
}
if ($line =~ m{^(\d+) packets transmitted, (\d+) packets received, ([\.\d]+)% packet loss$}) {
$pingflood_loss = 0 + $3;
print $tr "SUBVALUE $1 packet transmit\n";
print $tr "SUBVALUE $2 packet receive\n";
print $tr "SUBVALUE $pingflood_loss percent loss\n";
}
if ($line =~ m{^rtt min/avg/max/mdev = ([\.\d]+)/([\.\d]+)/([\.\d]+)/([\.\d]+) ms, (:?pipe \d+, )?ipg/ewma ([\.\d]+)/([\.\d]+) ms$}) {
print $tr "SUBVALUE $1 ms min\n";
print $tr "VALUE $2 ms avg\n";
print $tr "VALUE $3 ms max\n";
print $tr "SUBVALUE $4 ms stddev\n";
}
if ($line =~ m{^round-trip min/avg/max/std-dev = ([\.\d]+)/([\.\d]+)/([\.\d]+)/([\.\d]+) ms$}) {
print $tr "SUBVALUE $1 ms min\n";
print $tr "VALUE $2 ms avg\n";
print $tr "VALUE $3 ms max\n";
print $tr "SUBVALUE $4 ms stddev\n";
}
return 1;
}
sub pingflood_finalize {
my ($log) = @_;
unless (defined $pingflood_loss) {
print $log "FAILED no packet loss value\n" if $log;
print "FAILED no packet loss value\n" if $opts{v};
return;
}
unless ($pingflood_loss == 0) {
print $log "FAILED $pingflood_loss\% packet loss\n" if $log;
print "FAILED $pingflood_loss\% packet loss\n" if $opts{v};
return;
}
undef $pingflood_loss;
return 1;
}
my @tests;
push @tests, (
{
testcmd => ['ssh', $lnx_l_ssh, 'ping', '-qfc10000', $obsd_l_addr],
parser => \&pingflood_parser,
finalize => \&pingflood_finalize,
}, {
testcmd => ['ping', '-qfc10000', $lnx_r_addr],
parser => \&pingflood_parser,
finalize => \&pingflood_finalize,
}, {
testcmd => ['ssh', $lnx_l_ssh, 'ping', '-qfc10000', $lnx_r_addr],
parser => \&pingflood_parser,
finalize => \&pingflood_finalize,
}
) if ($testmode{icmp4});
push @tests, (
{
testcmd => ['ssh', $lnx_l_ssh, 'ping6', '-qfc10000', $obsd_l_addr6],
parser => \&pingflood_parser,
finalize => \&pingflood_finalize,
}, {
testcmd => ['ping6', '-qfc10000', $lnx_r_addr6],
parser => \&pingflood_parser,
finalize => \&pingflood_finalize,
}, {
testcmd => ['ssh', $lnx_l_ssh, 'ping6', '-qfc10000', $lnx_r_addr6],
parser => \&pingflood_parser,
finalize => \&pingflood_finalize,
}
) if ($testmode{icmp6});
push @tests, {
testcmd => \&tcpbench_server_startup,
} if ($testmode{tcp4} || $testmode{tcp6});
push @tests, (