X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fnetwork%2Fnetworkd-netdev-tuntap.c;h=eef8747210431c8318dd975f776cadee0e52235c;hb=2a5948f715b1b4a5510b723755a263602349a8af;hp=dd3bd96dbb09275df54ad24dcba66a939d4e9346;hpb=aa9f11405829fd4755fef28602a7167dba3ddc89;p=elogind.git

diff --git a/src/network/networkd-netdev-tuntap.c b/src/network/networkd-netdev-tuntap.c
index dd3bd96db..eef874721 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,