1{ config, lib, pkgs, ... }:
2
3let
4 inherit (lib)
5 mkEnableOption mkIf mkOption types
6 recursiveUpdate;
7
8 cfg = config.networking.wireless.iwd;
9 ini = pkgs.formats.ini { };
10 defaults = {
11 # without UseDefaultInterface, sometimes wlan0 simply goes AWOL with NetworkManager
12 # https://iwd.wiki.kernel.org/interface_lifecycle#interface_management_in_iwd
13 General.UseDefaultInterface = with config.networking.networkmanager; (enable && (wifi.backend == "iwd"));
14 };
15 configFile = ini.generate "main.conf" (recursiveUpdate defaults cfg.settings);
16
17in
18{
19 options.networking.wireless.iwd = {
20 enable = mkEnableOption (lib.mdDoc "iwd");
21
22 package = mkOption {
23 type = types.package;
24 default = pkgs.iwd;
25 defaultText = lib.literalExpression "pkgs.iwd";
26 description = lib.mdDoc ''
27 The iwd package to use.
28 '';
29 };
30
31 settings = mkOption {
32 type = ini.type;
33 default = { };
34
35 example = {
36 Settings.AutoConnect = true;
37
38 Network = {
39 EnableIPv6 = true;
40 RoutePriorityOffset = 300;
41 };
42 };
43
44 description = lib.mdDoc ''
45 Options passed to iwd.
46 See [here](https://iwd.wiki.kernel.org/networkconfigurationsettings) for supported options.
47 '';
48 };
49 };
50
51 config = mkIf cfg.enable {
52 assertions = [{
53 assertion = !config.networking.wireless.enable;
54 message = ''
55 Only one wireless daemon is allowed at the time: networking.wireless.enable and networking.wireless.iwd.enable are mutually exclusive.
56 '';
57 }];
58
59 environment.etc."iwd/${configFile.name}".source = configFile;
60
61 # for iwctl
62 environment.systemPackages = [ cfg.package ];
63
64 services.dbus.packages = [ cfg.package ];
65
66 systemd.packages = [ cfg.package ];
67
68 systemd.network.links."80-iwd" = {
69 matchConfig.Type = "wlan";
70 linkConfig.NamePolicy = "keep kernel";
71 };
72
73 systemd.services.iwd = {
74 wantedBy = [ "multi-user.target" ];
75 restartTriggers = [ configFile ];
76 };
77 };
78
79 meta.maintainers = with lib.maintainers; [ dtzWill ];
80}