dpdk: separate kernel modules

pkgs/os-specific/linux/dpdk/default.nix

@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   NIX_CFLAGS_COMPILE = [ "-march=core2" ];
 
   enableParallelBuilding = true;
-  outputs = [ "out" "examples" ];
+  outputs = [ "out" "kmod" "examples" ];
 
   buildPhase = ''
     make T=x86_64-native-linuxapp-gcc config
@@ -30,7 +30,10 @@ stdenv.mkDerivation rec {
 
   installPhase = ''
     mkdir $out
-    cp -pr x86_64-native-linuxapp-gcc/{lib,include,kmod} $out/
+    cp -pr x86_64-native-linuxapp-gcc/{lib,include} $out/
+
+    mkdir -p $kmod/lib/modules/${kernel.modDirVersion}/kernel/drivers/net
+    cp ${RTE_TARGET}/kmod/*.ko $kmod/lib/modules/${kernel.modDirVersion}/kernel/drivers/net
 
     mkdir -p $examples/bin
     find examples ${RTE_TARGET}/app -type f -executable -exec cp {} $examples/bin \;