udev: link_setup - respect kernel name assign policy

[elogind.git] / man / systemd.link.xml

diff --git a/man/systemd.link.xml b/man/systemd.link.xml
index 1bee07cf1dfdaf351a987113f13610567eff1843..6075b39b790d1bc88783b7ea2fbae5cdab3bda74 100644 (file)
--- a/man/systemd.link.xml
+++ b/man/systemd.link.xml
@@ -76,6 +76,10 @@
                 <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>
+        </refsect1>
+
+        <refsect1>
+                <title>[Match] Section Options</title>
 
                 <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.
@@ -101,7 +105,7 @@
                                 <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
+                                        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>
@@ -156,6 +160,11 @@
                         </varlistentry>
                 </variablelist>
 
+        </refsect1>
+
+        <refsect1>
+                <title>[Link] Section Options</title>
+
                 <para>The <literal>[Link]</literal> section accepts the following
                 keys:</para>
 
@@ -227,10 +236,20 @@
                                         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>
+                                        <literal>NAME</literal>. If the name has already
+                                        been set by userspace, no renaming is performed.
+                                        The available policies are:</para>
 
                                         <variablelist>
+                                                <varlistentry>
+                                                        <term><literal>kernel</literal></term>
+                                                        <listitem>
+                                                                <para>If the kernel claims that the name it
+                                                                has set for a device is predictable, then
+                                                                no renaming is performed.
+                                                                </para>
+                                                        </listitem>
+                                                </varlistentry>
                                                 <varlistentry>
                                                         <term><literal>database</literal></term>
                                                         <listitem>