pyrox.dev
1{ config, lib, pkgs, ... }:
2
3with lib;
4
5{
6 ###### interface
7
8 options = {
9
10 hardware.usbWwan = {
11 enable = mkOption {
12 type = types.bool;
13 default = false;
14 description = lib.mdDoc ''
15 Enable this option to support USB WWAN adapters.
16 '';
17 };
18 };
19 };
20
21 ###### implementation
22
23 config = mkIf config.hardware.usbWwan.enable {
24 # Attaches device specific handlers.
25 services.udev.packages = with pkgs; [ usb-modeswitch-data ];
26
27 # Triggered by udev, usb-modeswitch creates systemd services via a
28 # template unit in the usb-modeswitch package.
29 systemd.packages = with pkgs; [ usb-modeswitch ];
30
31 # The systemd service requires the usb-modeswitch-data. The
32 # usb-modeswitch package intends to discover this via the
33 # filesystem at /usr/share/usb_modeswitch, and merge it with user
34 # configuration in /etc/usb_modeswitch.d. Configuring the correct
35 # path in the package is difficult, as it would cause a cyclic
36 # dependency.
37 environment.etc."usb_modeswitch.d".source = "${pkgs.usb-modeswitch-data}/share/usb_modeswitch";
38 };
39}