diff options
| -rw-r--r-- | man/systemd.netdev.xml | 5 | ||||
| -rw-r--r-- | src/network/networkd-netdev-tuntap.c | 27 |
2 files changed, 31 insertions, 1 deletions
diff --git a/man/systemd.netdev.xml b/man/systemd.netdev.xml index acd845498c..275ee528a0 100644 --- a/man/systemd.netdev.xml +++ b/man/systemd.netdev.xml @@ -177,7 +177,9 @@ <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> + 1024. This key is not currently suported for + <literal>tun</literal> or <literal>tap</literal> devices. + </para> </listitem> </varlistentry> <varlistentry> @@ -187,6 +189,7 @@ If none is given, one is generated based on the interface name and the <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>. + This key is not currently suported for <literal>tun</literal> or <literal>tap</literal> devices. </para> </listitem> </varlistentry> diff --git a/src/network/networkd-netdev-tuntap.c b/src/network/networkd-netdev-tuntap.c index dd3bd96dbb..eef8747210 100644 --- a/src/network/networkd-netdev-tuntap.c +++ b/src/network/networkd-netdev-tuntap.c @@ -172,9 +172,35 @@ static void tuntap_done(NetDev *netdev) { t->group_name = NULL; } +static int tuntap_verify(NetDev *netdev, const char *filename) { + TunTap *t = NULL; + + assert(netdev); + + if (netdev->kind == NETDEV_KIND_TUN) + t = TUN(netdev); + else + t = TAP(netdev); + + assert(t); + + if (netdev->mtu) { + log_warning_netdev(netdev, "MTU configured for %s, ignoring", + netdev_kind_to_string(netdev->kind)); + } + + if (netdev->mac) { + log_warning_netdev(netdev, "MAC configured for %s, ignoring", + netdev_kind_to_string(netdev->kind)); + } + + return 0; +} + const NetDevVTable tun_vtable = { .object_size = sizeof(TunTap), .sections = "Match\0NetDev\0Tun\0", + .config_verify = tuntap_verify, .done = tuntap_done, .create = netdev_create_tuntap, .create_type = NETDEV_CREATE_INDEPENDENT, @@ -183,6 +209,7 @@ const NetDevVTable tun_vtable = { const NetDevVTable tap_vtable = { .object_size = sizeof(TunTap), .sections = "Match\0NetDev\0Tap\0", + .config_verify = tuntap_verify, .done = tuntap_done, .create = netdev_create_tuntap, .create_type = NETDEV_CREATE_INDEPENDENT, |