networking/module.nix: networking improvements

modules/system/os/networking/module.nix

@@ -6,6 +6,17 @@ in {
   ];
   networking = {
     enableIPv6 = true;
+
+    # INFO: This disables wpa_supplicant,
+    # I use nenetworkmanager instead.
+    wireless.enable = false;
+
+    dhcpcd = {
+      # faster boot times
+      wait = "background";
+      extraConfig = "noarp";
+    };
+
     nameservers = [
       # quad9 DNS
       "9.9.9.9"
@@ -14,8 +25,16 @@ in {
   };
   services.resolved = {
     enable = true;
+    dnssec = "false";
     # quad9 dns
     fallbackDns = ["9.9.9.9" "2620::fe::fe"];
   };
   users.users.${username}.extraGroups = ["networkmanager"];
+
+  systemd = {
+    network = {
+      enable = true;
+      wait-online.anyInterface = true;
+    };
+  };
 }