network: add UseNTP DHCP option

Despite having the internal logic in place to enable/disable using NTP
servers provided by DHCP the network config didn't expose the option.

diff --git a/man/systemd.network.xml b/man/systemd.network.xml
index ed0b2eb4a47a81c776c21d3a96c129529cdc6410..087e9e2156324f2baec2ae225f4daf4efba335ce 100644 (file)
--- a/man/systemd.network.xml
+++ b/man/systemd.network.xml
@@ -514,6 +514,14 @@
             any statically configured ones.</para>
           </listitem>
         </varlistentry>
+        <varlistentry>
+          <term><varname>UseNTP=</varname></term>
+          <listitem>
+            <para>When true (the default), the NTP servers received
+            from the DHCP server will be used by systemd-timesyncd
+            and take precedence over any statically configured ones.</para>
+          </listitem>
+        </varlistentry>
         <varlistentry>
           <term><varname>UseMTU=</varname></term>
           <listitem>

diff --git a/src/network/networkd-network-gperf.gperf b/src/network/networkd-network-gperf.gperf
index 93df83af08f96dd0bfa3478cbfa8d084890c68a3..8abf5bcf2e8097cb3ca58602049ce08c4ba32ed9 100644 (file)
--- a/src/network/networkd-network-gperf.gperf
+++ b/src/network/networkd-network-gperf.gperf
@@ -60,6 +60,7 @@ Route.Metric,                config_parse_route_priority,        0,
 Route.Scope,                 config_parse_route_scope,           0,                             0
 DHCP.ClientIdentifier,       config_parse_dhcp_client_identifier,0,                             offsetof(Network, dhcp_client_identifier)
 DHCP.UseDNS,                 config_parse_bool,                  0,                             offsetof(Network, dhcp_dns)
+DHCP.UseNTP,                 config_parse_bool,                  0,                             offsetof(Network, dhcp_ntp)
 DHCP.UseMTU,                 config_parse_bool,                  0,                             offsetof(Network, dhcp_mtu)
 DHCP.UseHostname,            config_parse_bool,                  0,                             offsetof(Network, dhcp_hostname)
 DHCP.UseDomains,             config_parse_bool,                  0,                             offsetof(Network, dhcp_domains)