config: networking: hostapd: disable low-level bridging

1 files changed, 22 insertions, 0 deletions

diff --git a/config/networking/bridges.nix b/config/networking/bridges.nix
new file mode 100644
index 0000000..95f163e
--- /dev/null
+++ b/config/networking/bridges.nix
@@ -0,0 +1,22 @@
+{ config, lib, utils, pkgs, ... }:
+
+let cfg = config.personal.networking;
+in {
+  config = lib.mkMerge (builtins.map (network:
+    let
+      bridge = network.interface;
+      device = network.device;
+    in {
+      networking.bridges."${bridge}".interfaces = [ ];
+
+      systemd.services."${bridge}-netdev".script = ''
+        echo Setting forward delay to 0 for ${bridge}...
+        ip link set ${bridge} type bridge forward_delay 0
+      '';
+
+      systemd.services.hostapd.postStart = ''
+        sleep 3
+        ${pkgs.iproute2}/bin/bridge link set dev ${device} hairpin on
+      '';
+    }) [ cfg.networks.wan cfg.networks.iot ]);
+}