qnap-ec kernel module. Set `boot.extraModulePackages = [ (config.boot.kernelPackages.callPackage ./path-to-qnap-ec.nix {}) ];` to use

qnap-ec.nix

{ stdenv
, lib
, fetchFromGitHub
, kernel
, kmod
}:

stdenv.mkDerivation {
  pname = "qnap-ec";
  version = "unstable-2021-11-22";

  src = fetchFromGitHub {
    owner = "Stonyx";
    repo = "QNAP-EC";
    rev = "e819075d1bd075409ac7ebcc3e70675c14d1171c";
    hash = "sha256-tv3rPXgNBSktZo9QNGR62rTNYbHE84vdRhkfbLa8UCQ=";
  };

  nativeBuildInputs = kernel.moduleBuildDependencies;

  makeFlags = [
    "KERNELRELEASE=${kernel.modDirVersion}"
    "KDIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
    "INSTALL_MOD_PATH=$(out)"
  ];
}