Add an OPTIONS configuration variable in order to make it possible to
pass custom extra options to dhcpd. This keeps the systemd support
consistent with the SysV init script.
Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>
Reviewed-by: "Maxime Hadjinlian" <maxime.hadjinlian@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
[Service]
Type=forking
PIDFile=/run/dhcpd.pid
-ExecStart=/usr/sbin/dhcpd -q -pf /run/dhcpd.pid $INTERFACES
+ExecStart=/usr/sbin/dhcpd -q -pf /run/dhcpd.pid $OPTIONS $INTERFACES
KillSignal=SIGINT
EnvironmentFile=-/etc/default/dhcpd