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{ stdenv, lib, fetchgit, kernel, kmod }:
let
version = "22.03.5";
in
stdenv.mkDerivation {
pname = "trelay";
version = "${version}-${kernel.version}";
src = fetchgit {
url = "https://git.openwrt.org/openwrt/openwrt.git";
rev = "v${version}";
hash = "sha256-5f9LvaZUxtfTpTR268QMkEmHUpn/nct+MVa44SBGT5c=";
sparseCheckout = [ "package/kernel/trelay/src" ];
};
sourceRoot = "openwrt/package/kernel/trelay/src";
hardeningDisable = [ "pic" "format" ];
nativeBuildInputs = [ kmod ] ++ kernel.moduleBuildDependencies;
postPatch = ''
cp '${./Makefile}' Makefile
'';
makeFlags = kernel.makeFlags ++ [
"KERNELRELEASE=${kernel.modDirVersion}"
"KERNEL_DIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"
"INSTALL_MOD_PATH=$(out)"
];
meta = with lib; {
description = "For relaying IP packets between two devices to build a IP bridge between them";
longDescription = ''
A kernel module that relays ethernet packets between two devices (similar to a bridge),
but without any MAC address checks.
This makes it possible to bridge client mode or ad-hoc mode wifi devices to ethernet VLANs,
assuming the remote end uses the same source MAC address as the device that packets are
supposed to exit from.
'';
homepage = "https://github.com/openwrt/openwrt/tree/main/package/kernel/trelay";
license = licenses.gpl2Plus;
maintainers = [ maintainers.aprl ];
platforms = platforms.linux;
broken = lib.versionOlder kernel.version "5.10";
};
}
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