1 files changed, 13 insertions, 1 deletions

diff --git a/hosts/surtr/bifrost/default.nix b/hosts/surtr/bifrost/default.nix
index bdedf5b6..ccf0c959 100644
--- a/hosts/surtr/bifrost/default.nix
+++ b/hosts/surtr/bifrost/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, ... }:
+{ config, lib, pkgs, ... }:
 
 with lib;
 
@@ -56,5 +56,17 @@ in {
       format = "binary";
       sopsFile = ./surtr.priv;
     };
+
+    systemd.services."bifrost-dscp" = {
+      wantedBy = ["sys-subsystem-net-devices-bifrost.device"];
+      after = ["sys-subsystem-net-devices-bifrost.device"];
+      bindsTo = ["sys-subsystem-net-devices-bifrost.device"];
+
+      serviceConfig = {
+        Type = "oneshot";
+        ExecStart = "${pkgs.preserve-dscp}/bin/preserve-dscp bifrost ens3";
+        ExecStop = "${pkgs.preserve-dscp}/bin/preserve-dscp bifrost ens3 --unload";
+      };
+    };
   };
 }