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{ config, lib, pkgs, ... }:
with lib;
let
kernelVersion = config.boot.kernelPackages.kernel.version;
linuxKernelMinVersion = "5.8";
kernelPatch = pkgs.kernelPatches.ath_regd_optional // {
extraConfig = ''
ATH_USER_REGD y
'';
};
in
{
options.networking.wireless.athUserRegulatoryDomain = mkOption {
default = false;
type = types.bool;
description = ''
If enabled, sets the ATH_USER_REGD kernel config switch to true to
disable the enforcement of EEPROM regulatory restrictions for ath
drivers. Requires at least Linux ${linuxKernelMinVersion}.
'';
};
config = mkIf config.networking.wireless.athUserRegulatoryDomain {
assertions = singleton {
assertion = lessThan 0 (builtins.compareVersions kernelVersion linuxKernelMinVersion);
message = "ATH_USER_REGD patch for kernels older than ${linuxKernelMinVersion} not ported yet!";
};
boot.kernelPatches = [ kernelPatch ];
};
}
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