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39 lines
1.1 KiB
Nix
39 lines
1.1 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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{
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###### interface
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options = {
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hardware.usbWwan = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Enable this option to support USB WWAN adapters.
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'';
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};
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};
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};
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###### implementation
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config = mkIf config.hardware.usbWwan.enable {
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# Attaches device specific handlers.
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services.udev.packages = with pkgs; [ usb-modeswitch-data ];
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# Triggered by udev, usb-modeswitch creates systemd services via a
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# template unit in the usb-modeswitch package.
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systemd.packages = with pkgs; [ usb-modeswitch ];
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# The systemd service requires the usb-modeswitch-data. The
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# usb-modeswitch package intends to discover this via the
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# filesystem at /usr/share/usb_modeswitch, and merge it with user
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# configuration in /etc/usb_modeswitch.d. Configuring the correct
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# path in the package is difficult, as it would cause a cyclic
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# dependency.
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environment.etc."usb_modeswitch.d".source = "${pkgs.usb-modeswitch-data}/share/usb_modeswitch";
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};
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}
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