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network: tc/cake: introduce FlowIsolationMode= setting

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Yu Watanabe
2021-11-09 10:58:44 +09:00
parent b6eccfda1a
commit a049cf166c
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man/systemd.network.xml
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@@ -3503,6 +3503,90 @@ Token=prefixstable:2002:da8:1::</programlisting></para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>FlowIsolationMode=</varname></term>
<listitem>
<para>CAKE places packets from different flows into different queues, then packets from each
queue are delivered fairly. This specifies whether the fairness is based on source address,
destination address, individual flows, or any combination of those. The available values are:
</para>
<variablelist>
<varlistentry>
<term><option>none</option></term>
<listitem><para>
The flow isolation is disabled, and all traffic passes through a single queue.
</para></listitem>
</varlistentry>
<varlistentry>
<term><option>src-host</option></term>
<listitem><para>
Flows are defined only by source address. Equivalnet to the <literal>srchost</literal>
option for <command>tc qdisc</command> command. See also
<citerefentry project='man-pages'><refentrytitle>tc-cake</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
</para></listitem>
</varlistentry>
<varlistentry>
<term><option>dst-host</option></term>
<listitem><para>
Flows are defined only by destination address. Equivalnet to the
<literal>srchost</literal> option for <command>tc qdisc</command> command. See also
<citerefentry project='man-pages'><refentrytitle>tc-cake</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
</para></listitem>
</varlistentry>
<varlistentry>
<term><option>hosts</option></term>
<listitem><para>
Flows are defined by source-destination host pairs. Equivalent to the same option for
<command>tc qdisc</command> command. See also
<citerefentry project='man-pages'><refentrytitle>tc-cake</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
</para></listitem>
</varlistentry>
<varlistentry>
<term><option>flows</option></term>
<listitem><para>
Flows are defined by the entire 5-tuple of source address, destination address,
transport protocol, source port and destination port. Equivalent to the same option for
<command>tc qdisc</command> command. See also
<citerefentry project='man-pages'><refentrytitle>tc-cake</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
</para></listitem>
</varlistentry>
<varlistentry>
<term><option>dual-src-host</option></term>
<listitem><para>
Flows are defined by the 5-tuple (see <literal>flows</literal> in the above), and
fairness is applied first over source addresses, then over individual flows. Equivalnet
to the <literal>dual-srchost</literal> option for <command>tc qdisc</command> command.
See also
<citerefentry project='man-pages'><refentrytitle>tc-cake</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
</para></listitem>
</varlistentry>
<varlistentry>
<term><option>dual-dst-host</option></term>
<listitem><para>
Flows are defined by the 5-tuple (see <literal>flows</literal> in the above), and
fairness is applied first over destination addresses, then over individual flows.
Equivalnet to the <literal>dual-dsthost</literal> option for
<command>tc qdisc</command> command. See also
<citerefentry project='man-pages'><refentrytitle>tc-cake</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
</para></listitem>
</varlistentry>
<varlistentry>
<term><option>triple</option></term>
<listitem><para>
Flows are defined by the 5-tuple (see <literal>flows</literal>), and fairness is
applied over source and destination addresses, and also over individual flows.
Equivalnet to the <literal>triple-isolate</literal> option for
<command>tc qdisc</command> command. See also
<citerefentry project='man-pages'><refentrytitle>tc-cake</refentrytitle><manvolnum>8</manvolnum></citerefentry>.
</para></listitem>
</varlistentry>
</variablelist>
<para>Defaults to unset and the kernel's default is used.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>