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-rw-r--r--man/systemd-networkd.service.xml2
-rw-r--r--man/systemd.link.xml383
-rw-r--r--man/udev.xml288
3 files changed, 392 insertions, 281 deletions
diff --git a/man/systemd-networkd.service.xml b/man/systemd-networkd.service.xml
index df5ca36406..7585832230 100644
--- a/man/systemd-networkd.service.xml
+++ b/man/systemd-networkd.service.xml
@@ -63,7 +63,7 @@
<para>To configure low-level link settings independently of
networks, see
- <citerefentry><refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry><refentrytitle>systemd.link</refentrytitle><manvolnum>5</manvolnum></citerefentry>
.</para>
<para>Network configurations applied before networkd is started
diff --git a/man/systemd.link.xml b/man/systemd.link.xml
new file mode 100644
index 0000000000..c1176ba176
--- /dev/null
+++ b/man/systemd.link.xml
@@ -0,0 +1,383 @@
+<?xml version='1.0'?> <!--*-nxml-*-->
+<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?>
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+
+<!--
+ This file is part of systemd.
+
+ Copyright 2014 Tom Gundersen
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+-->
+
+<refentry id="systemd.link">
+ <refentryinfo>
+ <title>systemd.link</title>
+ <productname>systemd</productname>
+
+ <authorgroup>
+ <author>
+ <contrib>Developer</contrib>
+ <firstname>Tom</firstname>
+ <surname>Gundersen</surname>
+ </author>
+ </authorgroup>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>systemd.link</refentrytitle>
+ <manvolnum>5</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>systemd.link</refname>
+ <refpurpose>Network device configuration</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <para><filename><replaceable>link</replaceable>.link</filename></para>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para>Network link configuration is performed by the <literal>net_setup_link</literal>
+ udev builtin.</para>
+
+ <para>The link files are read from the files located in the
+ system network directory <filename>/usr/lib/systemd/network</filename>,
+ the volatile runtime network directory <filename>/run/systemd/network</filename>
+ and the local administration network directory <filename>/etc/systemd/network</filename>.
+ Link files must have the extension <filename>.link</filename>; other extensions are ignored.
+ All link files are collectively sorted and processed in lexical order,
+ regardless of the directories in which they live. However, files with
+ identical filenames replace each other. Files in <filename>/etc</filename>
+ have the highest priority, files in <filename>/run</filename> take precedence
+ over files with the same name in <filename>/usr/lib</filename>. This can be
+ used to override a system-supplied link file with a local file if needed;
+ a symlink in <filename>/etc</filename> with the same name as a link file in
+ <filename>/usr/lib</filename>, pointing to <filename>/dev/null</filename>,
+ disables the link file entirely.</para>
+
+ <para>The link file contains a <literal>[Match]</literal> section, which
+ determines if a given link file may be applied to a given device; and a
+ <literal>[Link]</literal> section specifying how the device should be
+ configured. The first (in lexical order) of the link files that matches
+ a given device is applied.</para>
+
+ <para>A link file is said to match a device if each of the entries in the
+ <literal>[Match]</literal> section matches, or if the section is empty.
+ The following keys are accepted:</para>
+
+ <variablelist class='network-directives'>
+ <varlistentry>
+ <term><varname>MACAddress=</varname></term>
+ <listitem>
+ <para>The hardware address.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Path=</varname></term>
+ <listitem>
+ <para>The persistent path, as exposed by the
+ udev property <literal>ID_PATH</literal>. May
+ contain shell style globs.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Driver=</varname></term>
+ <listitem>
+ <para>The driver currently bound to the device,
+ as exposed by the udev property <literal>DRIVER</literal>
+ of its parent device, or if that is not set the
+ driver as exposed by <literal>ethtool -i</literal>
+ of the device itself.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Type=</varname></term>
+ <listitem>
+ <para>The device type, as exposed by the udev
+ property <literal>DEVTYPE</literal>.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Host=</varname></term>
+ <listitem>
+ <para>Matches against the hostname or machine
+ ID of the host. See <literal>ConditionHost=</literal> in
+ <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for details.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Virtualization=</varname></term>
+ <listitem>
+ <para>Checks whether the system is executed in
+ a virtualized environment and optionally test
+ whether it is a specific implementation. See
+ <literal>ConditionVirtualization=</literal> in
+ <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for details.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>KernelCommandLine=</varname></term>
+ <listitem>
+ <para>Checks whether a specific kernel command
+ line option is set (or if prefixed with the
+ exclamation mark unset). See
+ <literal>ConditionKernelCommandLine=</literal> in
+ <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for details.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Architecture=</varname></term>
+ <listitem>
+ <para>Checks whether the system is running on a
+ specific architecture. See
+ <literal>ConditionArchitecture=</literal> in
+ <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for details.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+
+ <para>The <literal>[Link]</literal> section accepts the following
+ keys:</para>
+
+ <variablelist class='network-directives'>
+ <varlistentry>
+ <term><varname>Description=</varname></term>
+ <listitem>
+ <para>A description of the device.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Alias=</varname></term>
+ <listitem>
+ <para>The <literal>ifalias</literal> is set to
+ this value.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>MACAddressPolicy=</varname></term>
+ <listitem>
+ <para>The policy by which the MAC address
+ should be set. The available policies are:
+ </para>
+
+ <variablelist>
+ <varlistentry>
+ <term><literal>persistent</literal></term>
+ <listitem>
+ <para>If the hardware has a persistent
+ MAC address, as most hardware should,
+ and this is used by the kernel, nothing
+ is done. Otherwise, a new MAC address
+ is generated which is guaranteed to be
+ the same on every boot for the given
+ machine and the given device, but which
+ is otherwise random.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><literal>random</literal></term>
+ <listitem>
+ <para>If the kernel is using a random MAC
+ address, nothing is done. Otherwise, a new
+ address is randomly generated each time the
+ device appears, typically at boot.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>MACAddress=</varname></term>
+ <listitem>
+ <para>The MAC address to use, if no
+ <literal>MACAddressPolicy=</literal>
+ is specified.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>NamePolicy=</varname></term>
+ <listitem>
+ <para>An ordered, space-separated list of
+ policies by which the interface name should
+ be set. <literal>NamePolicy</literal> may be
+ disabled by specifying
+ <literal>net.ifnames=0</literal> on the kernel
+ commandline. Each of the policies may fail, and
+ the first successful one is used. The name is
+ not set directly, but is exported to udev as
+ the property <literal>ID_NET_NAME</literal>,
+ which is, by default, used by a udev rule to set
+ <literal>NAME</literal>. The available policies
+ are:</para>
+
+ <variablelist>
+ <varlistentry>
+ <term><literal>database</literal></term>
+ <listitem>
+ <para>The name is set based on entries in
+ the udev's Hardware Database with the key
+ <literal>ID_NET_NAME_FROM_DATABASE</literal>
+ .</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><literal>onboard</literal></term>
+ <listitem>
+ <para>The name is set based on information given by
+ the firmware for on-board devices, as exported by
+ the udev property <literal>ID_NET_NAME_ONBOARD</literal>
+ .</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><literal>slot</literal></term>
+ <listitem>
+ <para>The name is set based on information given by
+ the firmware for hot-plug devices, as exported by
+ the udev property <literal>ID_NET_NAME_SLOT</literal>
+ .</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><literal>path</literal></term>
+ <listitem>
+ <para>The name is set based on the device's physical
+ location, as exported by the udev property
+ <literal>ID_NET_NAME_PATH</literal>.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><literal>mac</literal></term>
+ <listitem>
+ <para>The name is set based on the device's
+ persistent MAC address, as exported by the udev
+ property <literal>ID_NET_NAME_MAC</literal>.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Name=</varname></term>
+ <listitem>
+ <para>The interface name to use in case all the
+ policies specified in
+ <varname>NamePolicy=</varname> fail, or in case
+ <varname>NamePolicy=</varname> is missing or
+ disabled.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>MTUBytes=</varname></term>
+ <listitem>
+ <para>The maximum transmission unit in bytes to
+ set for the device. The usual suffixes K, M, G,
+ are supported and are understood to the base of
+ 1024.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>BitsPerSecond=</varname></term>
+ <listitem>
+ <para>The speed to set for the device, the
+ value is rounded down to the nearest Mbps.
+ The usual suffixes K, M, G, are supported and
+ are understood to the base of 1000.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>Duplex=</varname></term>
+ <listitem>
+ <para>The duplex mode to set for the device.
+ The accepted values are <literal>half</literal>
+ and <literal>full</literal>.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><varname>WakeOnLan=</varname></term>
+ <listitem>
+ <para>The Wake-on-LAN policy to set for the
+ device. The supported values are:</para>
+
+ <variablelist>
+ <varlistentry>
+ <term><literal>phy</literal></term>
+ <listitem>
+ <para>Wake on PHY activity.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><literal>magic</literal></term>
+ <listitem>
+ <para>Wake on receipt of a magic packet
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><literal>off</literal></term>
+ <listitem>
+ <para>Never wake.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1>
+ <title>Example</title>
+ <example>
+ <title>/etc/systemd/network/wireless.link</title>
+
+ <programlisting>[Match]
+MACAddress=12:34:56:78:9a:bc
+Driver=brcmsmac
+Path=pci-0000:02:00.0-*
+Type=wlan
+Virtualization=no
+Host=my-laptop
+Architecture=x86-64
+
+[Link]
+Name=wireless0
+MTUBytes=1450
+BitsPerSecond=10M
+WakeOnLan=magic
+MACAddress=cb:a9:87:65:43:21</programlisting>
+ </example>
+ </refsect1>
+
+ <refsect1>
+ <title>See Also</title>
+ <para>
+ <citerefentry>
+ <refentrytitle>systemd-udevd.service</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>udevadm</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>
diff --git a/man/udev.xml b/man/udev.xml
index 95b37fd0cf..4e5f8f00aa 100644
--- a/man/udev.xml
+++ b/man/udev.xml
@@ -307,8 +307,11 @@
<varlistentry>
<term><varname>NAME</varname></term>
<listitem>
- <para>The name to use for a network interface. The name of a device node
- cannot be changed by udev, only additional symlinks can be created.</para>
+ <para>The name to use for a network interface. See
+ <citerefentry><refentrytitle>systemd.link</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for a higher-level mechanism for setting the interface name.
+ The name of a device node cannot be changed by udev, only additional
+ symlinks can be created.</para>
</listitem>
</varlistentry>
@@ -759,284 +762,6 @@
During runtime only the binary database is used.</para>
</refsect1>
- <refsect1><title>Network Link Configuration</title>
- <para>Network link configuration is performed by the <literal>net_setup_link</literal>
- udev builtin.</para>
-
- <para>The link files are read from the files located in the
- system network directory <filename>/usr/lib/systemd/network</filename>,
- the volatile runtime network directory <filename>/run/systemd/network</filename>
- and the local administration network directory <filename>/etc/systemd/network</filename>.
- Link files must have the extension <filename>.link</filename>; other extensions are ignored.
- All link files are collectively sorted and processed in lexical order,
- regardless of the directories in which they live. However, files with
- identical filenames replace each other. Files in <filename>/etc</filename>
- have the highest priority, files in <filename>/run</filename> take precedence
- over files with the same name in <filename>/usr/lib</filename>. This can be
- used to override a system-supplied link file with a local file if needed;
- a symlink in <filename>/etc</filename> with the same name as a link file in
- <filename>/usr/lib</filename>, pointing to <filename>/dev/null</filename>,
- disables the link file entirely.</para>
-
- <para>The link file contains a <literal>[Match]</literal> section, which
- determines if a given link file may be applied to a given device; and a
- <literal>[Link]</literal> section specifying how the device should be
- configured. The first (in lexical order) of the link files that matches
- a given device is applied.</para>
-
- <para>A link file is said to match a device if each of the entries in the
- <literal>[Match]</literal> section matches, or if the section is empty.
- The following keys are accepted:</para>
-
- <variablelist class='network-directives'>
- <varlistentry>
- <term><varname>MACAddress=</varname></term>
- <listitem>
- <para>The hardware address.
- </para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><varname>Path=</varname></term>
- <listitem>
- <para>The persistent path, as exposed by the udev property <literal>ID_PATH</literal>.
- May contain shell style globs.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><varname>Driver=</varname></term>
- <listitem>
- <para>The driver currently bound to the device, as exposed by the
- udev property <literal>DRIVER</literal> of its parent device, or if
- that is not set the driver as exposed by <literal>ethtool -i</literal>
- of the device itself.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><varname>Type=</varname></term>
- <listitem>
- <para>The device type, as exposed by the udev property <literal>DEVTYPE</literal>.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><varname>Host=</varname></term>
- <listitem>
- <para>Matches against the hostname or machine ID of the
- host. See <literal>ConditionHost=</literal> in
- <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- for details.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><varname>Virtualization=</varname></term>
- <listitem>
- <para>Checks whether the system is executed in a virtualized
- environment and optionally test whether it is a specific
- implementation. See <literal>ConditionVirtualization=</literal> in
- <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- for details.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><varname>KernelCommandLine=</varname></term>
- <listitem>
- <para>Checks whether a specific kernel command line option is
- set (or if prefixed with the exclamation mark unset). See
- <literal>ConditionKernelCommandLine=</literal> in
- <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- for details.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><varname>Architecture=</varname></term>
- <listitem>
- <para>Checks whether the system is running on a specific
- architecture. See <literal>ConditionArchitecture=</literal> in
- <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- for details.</para>
- </listitem>
- </varlistentry>
- </variablelist>
-
- <para>The <literal>[Link]</literal> section accepts the following keys:</para>
-
- <variablelist class='network-directives'>
- <varlistentry>
- <term><varname>Description=</varname></term>
- <listitem>
- <para>A description of the device.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><varname>Alias=</varname></term>
- <listitem>
- <para>The <literal>ifalias</literal> is set to this value.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><varname>MACAddressPolicy=</varname></term>
- <listitem>
- <para>The policy by which the MAC address should be set. The
- available policies are:
- </para>
- <variablelist>
- <varlistentry>
- <term><literal>persistent</literal></term>
- <listitem>
- <para>If the hardware has a persistent MAC address, as most
- hardware should, and this is used by the kernel, nothing is
- done. Otherwise, a new MAC address is generated which is
- guaranteed to be the same on every boot for the given
- machine and the given device, but which is otherwise random.
- </para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><literal>random</literal></term>
- <listitem>
- <para>If the kernel is using a random MAC address, nothing is
- done. Otherwise, a new address is randomly generated each
- time the device appears, typically at boot.
- </para>
- </listitem>
- </varlistentry>
- </variablelist>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><varname>MACAddress=</varname></term>
- <listitem>
- <para>The MAC address to use, if no <literal>MACAddressPolicy=</literal>
- is specified.
- </para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><varname>NamePolicy=</varname></term>
- <listitem>
- <para>An ordered, space-separated list of policies by which the
- interface name should be set. <literal>NamePolicy</literal> may
- be disabled by specifying <literal>net.ifnames=0</literal> on the
- kernel commandline. Each of the policies may fail, and the first
- successful one is used. The name is not set directly, but
- is exported to udev as the property <literal>ID_NET_NAME</literal>,
- which is, by default, used by a udev rule to set
- <literal>NAME</literal>. The available policies are:
- </para>
- <variablelist>
- <varlistentry>
- <term><literal>database</literal></term>
- <listitem>
- <para>The name is set based on entries in the Hardware
- Database with the key
- <literal>ID_NET_NAME_FROM_DATABASE</literal>.
- </para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><literal>onboard</literal></term>
- <listitem>
- <para>The name is set based on information given by the
- firmware for on-board devices, as exported by the udev
- property <literal>ID_NET_NAME_ONBOARD</literal>.
- </para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><literal>slot</literal></term>
- <listitem>
- <para>The name is set based on information given by the
- firmware for hot-plug devices, as exported by the udev
- property <literal>ID_NET_NAME_SLOT</literal>.
- </para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><literal>path</literal></term>
- <listitem>
- <para>The name is set based on the device's physical location,
- as exported by the udev property
- <literal>ID_NET_NAME_PATH</literal>.
- </para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><literal>mac</literal></term>
- <listitem>
- <para>The name is set based on the device's persistent MAC
- address, as exported by the udev property
- <literal>ID_NET_NAME_MAC</literal>.
- </para>
- </listitem>
- </varlistentry>
- </variablelist>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><varname>Name=</varname></term>
- <listitem>
- <para>The interface name to use in case all the policies specified
- in <varname>NamePolicy=</varname> fail, or in case
- <varname>NamePolicy=</varname> is missing or disabled.
- </para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><varname>MTUBytes=</varname></term>
- <listitem>
- <para>The maximum transmission unit in bytes to set for
- the device. The usual suffixes K, M, G, are supported and
- are understood to the base of 1024.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><varname>BitsPerSecond=</varname></term>
- <listitem>
- <para>The speed to set for the device, the value is
- rounded down to the nearest Mbps. The usual suffixes K, M,
- G, are supported and are understood to the base of
- 1000.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><varname>Duplex=</varname></term>
- <listitem>
- <para>The duplex mode to set for the device. The accepted values
- are <literal>half</literal> and <literal>full</literal>.
- </para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><varname>WakeOnLan=</varname></term>
- <listitem>
- <para>The Wake-on-LAN policy to set for the device. The supported
- values are:
- </para>
- <variablelist>
- <varlistentry>
- <term><literal>phy</literal></term>
- <listitem>
- <para>Wake on PHY activity.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><literal>magic</literal></term>
- <listitem>
- <para>Wake on receipt of a magic packet.</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><literal>off</literal></term>
- <listitem>
- <para>Never wake.</para>
- </listitem>
- </varlistentry>
- </variablelist>
- </listitem>
- </varlistentry>
- </variablelist>
- </refsect1>
-
<refsect1>
<title>See Also</title>
<para>
@@ -1046,6 +771,9 @@
<citerefentry>
<refentrytitle>udevadm</refentrytitle><manvolnum>8</manvolnum>
</citerefentry>
+ <citerefentry>
+ <refentrytitle>systemd.link</refentrytitle><manvolnum>5</manvolnum>
+ </citerefentry>
</para>
</refsect1>
</refentry>