diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/Vyatta/Qos/FairQueueCodel.pm | 66 | ||||
-rw-r--r-- | lib/Vyatta/Qos/ShaperClass.pm | 38 | ||||
-rw-r--r-- | lib/Vyatta/Qos/Shared.pm | 13 |
3 files changed, 102 insertions, 15 deletions
diff --git a/lib/Vyatta/Qos/FairQueueCodel.pm b/lib/Vyatta/Qos/FairQueueCodel.pm new file mode 100644 index 0000000..a6f4220 --- /dev/null +++ b/lib/Vyatta/Qos/FairQueueCodel.pm @@ -0,0 +1,66 @@ +# This is a wrapper around fq_codel queue discipline +# +# +# **** License **** +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# This code was originally developed by Vyatta, Inc. +# Portions created by Vyatta are Copyright (C) 2008 Vyatta, Inc. +# All Rights Reserved. +# **** End License **** + +package Vyatta::Qos::FairQueueCodel; + +use strict; +use warnings; + +require Vyatta::Config; + +# Fair Queue Codel +# Uses fq_codel + +my %fields = ( + _limit => undef, + _flows => undef, + _target => undef, + _interval => undef, + _quantum => undef, +); + +sub new { + my ( $that, $config ) = @_; + my $class = ref($that) || $that; + my $self = {%fields}; + + $self->{_limit} = $config->returnValue('queue-limit'); + $self->{_flows} = $config->returnValue('flows'); + $self->{_target} = $config->returnValue('target'); + $self->{_interval} = $config->returnValue('interval'); + $self->{_cquantum} = $config->returnValue('codel-quantum'); + + if ( $self->{_target} ) { $self->{_target} *= 1000; } + if ( $self->{_interval} ) { $self->{_interval} *= 1000; } + + return bless $self, $class; +} + +sub commands { + my ( $self, $dev ) = @_; + + print "qdisc add dev $dev root fq_codel"; + print " limit $self->{_limit}" if ( $self->{_limit} ); + print " flows $self->{_flows}" if ( $self->{_flows} ); + print " target $self->{_target}" if ( $self->{_target} ); + print " interval $self->{_interval}" if ( $self->{_interval} ); + print " quantum $self->{_cquantum}" if ( $self->{_cquantum} ); + print " noecn\n"; +} + +1; diff --git a/lib/Vyatta/Qos/ShaperClass.pm b/lib/Vyatta/Qos/ShaperClass.pm index 4d3cf33..b0d6343 100644 --- a/lib/Vyatta/Qos/ShaperClass.pm +++ b/lib/Vyatta/Qos/ShaperClass.pm @@ -51,7 +51,14 @@ sub new { $self->{_qdisc} = $config->returnValue("queue-type"); $self->{_avgpkt} = $config->returnValue("packet-length"); $self->{_latency} = $config->returnValue("latency"); - $self->{_quantum} = $config->returnValue("quantum"); + $self->{_quantum} = $config->returnValue("quantum"); + $self->{_flows} = $config->returnValue('flows'); + $self->{_target} = $config->returnValue('target'); + $self->{_interval} = $config->returnValue('interval'); + $self->{_cquantum} = $config->returnValue('codel-quantum'); + + if ( $self->{_target} ) { $self->{_target} *= 1000; } + if ( $self->{_interval} ) { $self->{_interval} *= 1000; } $self->{dsmark} = getDsfield( $config->returnValue("set-dscp") ); my @matches = _getMatch("$level match"); @@ -94,7 +101,7 @@ sub _getPercentRate { } return ( $percent * $speed ) / 100.; - } + } return getRate($rate); } @@ -122,6 +129,18 @@ sub sfqQdisc { print "\n"; } +sub codelQdisc { + my ( $self, $dev, $rate ) = @_; + + print "fq_codel"; + print " limit $self->{_limit}" if ( $self->{_limit} ); + print " flows $self->{_flows}" if ( $self->{_flows} ); + print " target $self->{_target}" if ( $self->{_target} ); + print " interval $self->{_interval}" if ( $self->{_interval} ); + print " quantum $self->{_cquantum}" if ( $self->{_cquantum} ); + print " noecn\n"; +} + sub sfqValidate { my ( $self, $level ) = @_; my $limit = $self->{_limit}; @@ -178,15 +197,15 @@ sub redQdisc { sub redValidate { my ( $self, $level, $rate ) = @_; - my $limit = $self->{_limit}; # packets - my $thresh = redQsize($rate); # bytes + my $limit = $self->{_limit}; # packets + my $thresh = redQsize($rate); # bytes my $qmax = POSIX::ceil($thresh / AVGPKT); # packets if ( defined($limit) && $limit < $qmax ) { print STDERR "Configuration error in: $level\n"; printf STDERR "The queue limit (%d) is too small, must be %d or more when using random-detect\n", - $limit, $qmax; + $limit, $qmax; exit 1; } @@ -194,16 +213,17 @@ sub redValidate { my $minbw = ( 3 * AVGPKT * 8 ) / LATENCY; print STDERR "Configuration error in: $level\n"; - printf STDERR + printf STDERR "Random-detect queue type requires effective bandwidth of %d Kbit/sec or greater\n", $minbw; - exit 1; + exit 1; } } my %qdiscOptions = ( 'priority' => \&prioQdisc, 'fair-queue' => \&sfqQdisc, + 'fq-codel' => \&codelQdisc, 'random-detect' => \&redQdisc, 'drop-tail' => \&fifoQdisc, ); @@ -264,7 +284,7 @@ sub gen_class { # Hack to avoid kernel HTB message if quantum is small. # Only occurs if link speed is high and offered bandwidth is small. if ( defined($r2q) && !defined($quantum) && ($rate / 8) / $r2q < MINQUANTUM ) { - $quantum = MINQUANTUM; + $quantum = MINQUANTUM; } printf "class add dev %s parent %x:1 classid %x:%x %s", @@ -272,7 +292,7 @@ sub gen_class { print " rate $rate" if ($rate); print " ceil $ceil" if ($ceil); - print " quantum $quantum" if ($quantum); + print " quantum $quantum" if ($quantum); print " burst $self->{_burst}" if ( $self->{_burst} ); print " prio $self->{_priority}" if ( $self->{_priority} ); diff --git a/lib/Vyatta/Qos/Shared.pm b/lib/Vyatta/Qos/Shared.pm index 2a0fc3d..2b13b04 100644 --- a/lib/Vyatta/Qos/Shared.pm +++ b/lib/Vyatta/Qos/Shared.pm @@ -28,21 +28,22 @@ our @EXPORT = qw(find_policy interfaces_using get_policy_names list_policy %policies); use base qw(Exporter); -our %policies = ( +our %policies = ( 'out' => { 'shaper-hfsc' => 'HFSCShaper', 'shaper' => 'TrafficShaper', 'fair-queue' => 'FairQueue', + 'fq-codel' => 'FairQueueCodel', 'rate-control' => 'RateLimiter', 'drop-tail' => 'DropTail', 'network-emulator' => 'NetworkEmulator', 'round-robin' => 'RoundRobin', 'priority-queue' => 'Priority', 'random-detect' => 'RandomDetect', - }, + }, 'in' => { 'limiter' => 'TrafficLimiter', - } + } ); # find policy for name - also check for duplicates @@ -106,12 +107,12 @@ sub get_policy_names { $config->setLevel('traffic-policy'); - foreach my $direction ( @args ) { + foreach my $direction ( @args ) { my @qos = grep { $policies{$direction}{$_} } $config->$listNodes(); foreach my $type (@qos) { my @n = $config->$listNodes($type); - push @names, @n; - } + push @names, @n; + } } return @names; } |