From 27d0a8a0cda0a178f5b04afb434a8bef47c84cda Mon Sep 17 00:00:00 2001
From: ign0tus <ign0tus@posteo.de>
Date: Thu, 28 Sep 2023 20:06:28 +0200
Subject: [PATCH] network.interfaces: Add option to configure WakeOnLan policy

Adds an option to configure a custom WakeOnLan policy instead of the
hard-coded "magic" policy. To ensure compatibility with current
behavior, "magic" is kept as default.
---
 .../tasks/network-interfaces-scripted.nix      |  2 +-
 nixos/modules/tasks/network-interfaces.nix     | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/tasks/network-interfaces-scripted.nix b/nixos/modules/tasks/network-interfaces-scripted.nix
index 24f0c37acf90..67ef152c4b65 100644
--- a/nixos/modules/tasks/network-interfaces-scripted.nix
+++ b/nixos/modules/tasks/network-interfaces-scripted.nix
@@ -62,7 +62,7 @@ let
         } // optionalAttrs (i.mtu != null) {
           MTUBytes = toString i.mtu;
         } // optionalAttrs (i.wakeOnLan.enable == true) {
-          WakeOnLan = "magic";
+          WakeOnLan = concatStringsSep " " i.wakeOnLan.policy;
         };
       };
     in listToAttrs (map createNetworkLink interfaces);
diff --git a/nixos/modules/tasks/network-interfaces.nix b/nixos/modules/tasks/network-interfaces.nix
index 0d4033ca9430..fe77a444595a 100644
--- a/nixos/modules/tasks/network-interfaces.nix
+++ b/nixos/modules/tasks/network-interfaces.nix
@@ -327,6 +327,24 @@ let
           default = false;
           description = lib.mdDoc "Whether to enable wol on this interface.";
         };
+        policy = mkOption {
+          type = with types; listOf (
+            enum ["phy" "unicast" "multicast" "broadcast" "arp" "magic" "secureon"]
+          );
+          default = ["magic"];
+          description = lib.mdDoc ''
+            The [Wake-on-LAN policy](https://www.freedesktop.org/software/systemd/man/systemd.link.html#WakeOnLan=)
+            to set for the device.
+
+            The options are
+            - `phy`: Wake on PHY activity
+            - `unicast`: Wake on unicast messages
+            - `multicast`: Wake on multicast messages
+            - `broadcast`: Wake on broadcast messages
+            - `arp`: Wake on ARP
+            - `magic`: Wake on receipt of a magic packet
+          '';
+        };
       };
     };