nixos/networking: fix setting .macAddress and .mtu with networkd

This needs to be set in the .linkConfig of a .network
4 years ago · cddc7a28b8
parent ad06ae4195
commit cddc7a28b8
1 changed files with 6 additions and 1 deletions
--- a/nixos/modules/tasks/network-interfaces-systemd.nix
+++ b/nixos/modules/tasks/network-interfaces-systemd.nix
@ -94,7 +94,12 @@ in
          address = forEach (interfaceIps i)
            (ip: "${ip.address}/${toString ip.prefixLength}");
          networkConfig.IPv6PrivacyExtensions = "kernel";
-        } ];
+          linkConfig = optionalAttrs (i.macAddress != null) {
+            MACAddress = i.macAddress;
+          } // optionalAttrs (i.mtu != null) {
+            MTUBytes = toString i.mtu;
+          };
+        }];
      })))
      (mkMerge (flip mapAttrsToList cfg.bridges (name: bridge: {
        netdevs."40-${name}" = {