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-rw-r--r--man/systemd.socket.xml8
1 files changed, 8 insertions, 0 deletions
diff --git a/man/systemd.socket.xml b/man/systemd.socket.xml
index 0ce1203cfb..1d20a8f7f7 100644
--- a/man/systemd.socket.xml
+++ b/man/systemd.socket.xml
@@ -216,6 +216,14 @@
<varname>BindIPv6Only=</varname> setting (see below).
</para>
+ <para>If the address string is a string in the format
+ <literal>vsock:x:y</literal>, it is read as CID <literal>x</literal> on
+ a port <literal>y</literal> address in the
+ <constant>AF_VSOCK</constant> family. The CID is a unique 32-bit
+ integer identifier in <constant>AF_VSOCK</constant> analogous to an IP
+ address. Specifying the CID is optional, and may be set to the empty
+ string.</para>
+
<para>Note that <constant>SOCK_SEQPACKET</constant> (i.e.
<varname>ListenSequentialPacket=</varname>) is only available
for <constant>AF_UNIX</constant> sockets.