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Add limit option to tcclasses

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This commit is contained in:
Tom Eastep 2009-10-26 12:23:32 -07:00
parent cc0adc218f
commit f0b4b1f42e
6 changed files with 74 additions and 2 deletions
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7
Shorewall/Perl/Shorewall/Tc.pm
View File

@ -713,6 +713,7 @@ sub validate_tc_class( ) {
parent => $parentclass,
leaf => 1,
guarantee => 0,
limit => 127,
};
$tcref = $tcref->{$classnumber};
@ -761,6 +762,10 @@ sub validate_tc_class( ) {
$tcref->{occurs} = $occurs;
$devref->{occurs} = 1;
} elsif ( $option =~ /^limit=(\d+)$/ ) {
warning_message "limit ignore with pfifo queuing" if $tcref->{pfifo};
fatal_error "Invalid limit ($1)" if $1 < 3 || $1 > 127;
$tcref->{limit} = $1;
} else {
fatal_error "Unknown option ($option)";
}
@ -1153,7 +1158,7 @@ sub setup_traffic_shaping() {
}
}
emit( "run_tc qdisc add dev $device parent $classid handle ${classnum}: sfq quantum \$quantum limit 127 perturb 10" ) if $tcref->{leaf} && ! $tcref->{pfifo};
emit( "run_tc qdisc add dev $device parent $classid handle ${classnum}: sfq quantum \$quantum limit $tcref->{limit} perturb 10" ) if $tcref->{leaf} && ! $tcref->{pfifo};
#
# add filters
#

2
Shorewall/changelog.txt
View File

@ -28,6 +28,8 @@ Changes in Shorewall 4.4.3
14) Fix optional interfaces.
15) Add 'limit' option to tcclasses.
Changes in Shorewall 4.4.2
1) BUGFIX: Correct detection of Persistent SNAT support

7
Shorewall/releasenotes.txt
View File

@ -242,6 +242,13 @@ None.
The value of this option becomes the default for the 'track'
provider option in /etc/shorewall/providers.
3) A new 'limit' option has been added to
/etc/shorewall/tcclasses. This option specifies the number of
packets that are allowed to be queued within the class. Packets
exceeding this limit are dropped. The default value is 127 which is
the value that earlier versions of Shorewall used. The option is
ignored with a warning if the 'pfifo' option has been specified.
----------------------------------------------------------------------------
N E W F E A T U R E S I N 4 . 4 . 0
----------------------------------------------------------------------------

14
docs/traffic_shaping.xml
View File

@ -645,6 +645,20 @@ ppp0 6000kbit 500kbit</programlisting>
that means that we want to use the source IP address
<emphasis>before SNAT</emphasis> as the key.</para>
</listitem>
<listitem>
<para>pfifo - When specified for a leaf class, the pfifo queing
discipline is applied to the class rather than the sfq queuing
discipline.</para>
</listitem>
<listitem>
<para>limit=<emphasis>number</emphasis> - Added in Shorewall
4.4.3. When specified for a leaf class, specifies the maximum
number of packets that may be queued within the class. The
<emphasis>number</emphasis> must be &gt; 2 and less than 128. If
not specified, the value 127 is assumed</para>
</listitem>
</itemizedlist>
</listitem>
</itemizedlist>

22
manpages/shorewall-tcclasses.xml
View File

@ -407,6 +407,28 @@
<emphasis>before NAT</emphasis> as the key.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>pfifo</term>
<listitem>
<para>When specified for a leaf class, the pfifo queing
discipline is applied to the class rather than the sfq queuing
discipline.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>limit=<emphasis>number</emphasis></term>
<listitem>
<para>Added in Shorewall 4.4.3. When specified for a leaf
class, specifies the maximum number of packets that may be
queued within the class. The <emphasis>number</emphasis> must
be &gt; 2 and less than 128. If not specified, the value 127
is assumed. </para>
</listitem>
</varlistentry>
</variablelist>
</listitem>
</varlistentry>

22
manpages6/shorewall6-tcclasses.xml
View File

@ -358,6 +358,28 @@
<emphasis>before NAT</emphasis> as the key.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>pfifo</term>
<listitem>
<para>When specified for a leaf class, the pfifo queing
discipline is applied to the class rather than the sfq queuing
discipline.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>limit=<emphasis>number</emphasis></term>
<listitem>
<para>Added in Shorewall 4.4.3. When specified for a leaf
class, specifies the maximum number of packets that may be
queued within the class. The <emphasis>number</emphasis> must
be &gt; 2 and less than 128. If not specified, the value 127
is assumed.</para>
</listitem>
</varlistentry>
</variablelist>
</listitem>
</varlistentry>