rename modules/ppp.nix -> modules/ppp/default.nix

modules/ppp/default.nix

@@ -0,0 +1,22 @@
+{ lib, pkgs, config, ...}:
+let
+  inherit (lib) mkOption types;
+in {
+  options = {
+    system.service.pppoe = mkOption {
+      type = types.functionTo types.package;
+    };
+  };
+  config = {
+    system.service.pppoe = pkgs.liminix.networking.pppoe;
+    kernel = {
+      config = {
+        PPP = "y";
+        PPP_BSDCOMP = "y";
+        PPP_DEFLATE = "y";
+        PPP_ASYNC = "y";
+        PPP_SYNC_TTY = "y";
+      };
+    };
+  };
+}