diff --git a/src/tests/kits/net/new_stack/net_layer.h b/src/tests/kits/net/new_stack/net_layer.h
new file mode 100644
index 0000000000..6ed0b24da5
--- /dev/null
+++ b/src/tests/kits/net/new_stack/net_layer.h
@@ -0,0 +1,43 @@
+/* net_layer.h
+ * definitions of networking layer(s) API
+ */
+
+#ifndef OBOS_NET_LAYER_H
+#define OBOS_NET_LAYER_H
+
+#include <drivers/module.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct net_buffer;
+
+typedef struct net_layer {
+	struct net_layer 				*next;
+	char 							*name;
+	int								level;
+	uint32							kind;	// Filter, consumer, producer, etc...
+	int								chaining_constraint;
+	struct net_layer_module_info 	*module;
+	struct net_layer 				**layers_above;
+	struct net_layer				**layers_below;
+} net_layer;
+
+struct net_layer_module_info {
+	module_info	info;
+
+	status_t (*init)(void * params);
+	status_t (*uninit)(net_layer *me);
+	status_t (*enable)(net_layer *me, bool enable);
+	status_t (*input_buffer)(net_layer *me, struct net_buffer *buffer);
+	status_t (*output_buffer)(net_layer *me, struct net_buffer *buffer);
+};
+
+#define NET_LAYER_MODULE_ROOT	"network/layers/"
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* OBOS_NET_LAYER_H */
diff --git a/src/tests/kits/net/new_stack/net_server.cpp b/src/tests/kits/net/new_stack/net_server.cpp
index 9c3b6d543a..4b9e250997 100644
--- a/src/tests/kits/net/new_stack/net_server.cpp
+++ b/src/tests/kits/net/new_stack/net_server.cpp
@@ -74,7 +74,6 @@ int test_buffer()
   printf("data = [%s]\n", data);
 
   g_stack->delete_buffer(buffer, false);
-
   return 0;
 }
 
diff --git a/src/tests/kits/net/new_stack/net_server_x86.proj b/src/tests/kits/net/new_stack/net_server_x86.proj
index 3c43e0dbfc..f065f81a53 100644
Binary files a/src/tests/kits/net/new_stack/net_server_x86.proj and b/src/tests/kits/net/new_stack/net_server_x86.proj differ
diff --git a/src/tests/kits/net/new_stack/net_stack.h b/src/tests/kits/net/new_stack/net_stack.h
index 54b3ab76dd..b4cf09c15a 100644
--- a/src/tests/kits/net/new_stack/net_stack.h
+++ b/src/tests/kits/net/new_stack/net_stack.h
@@ -23,15 +23,14 @@ typedef struct net_timer net_timer;
 typedef void (*net_timer_func)(net_timer *timer, void *cookie);	// timer callback prototype
 
 // Generic lockers support
-
 typedef int benaphore;
 #define create_benaphore(a, b)
 #define delete_benaphore(a)
 #define lock_benaphore(a)
 #define unlock_benaphore(a)
 
-#include "net_interface.h"
-
+// Networking layer(s) definition
+#include "net_layer.h"
 
 // Network stack main module definition
 
@@ -46,11 +45,14 @@ struct net_stack_module_info {
 	 */
 	 
 	/*
-	 * Data-Link layer
+	 * Net layers handling
 	 */
 	
-	status_t (*register_interface)(ifnet_t *ifnet);
-	status_t (*unregister_interface)(ifnet_t *ifnet);
+	status_t (*register_layer)(net_layer *layer);
+	status_t (*unregister_layer)(net_layer *layer);
+	
+	status_t  (*push_buffer_up)(net_layer *me, net_buffer *buffer);
+	status_t  (*push_buffer_down)(net_layer *me, net_buffer *buffer);
 
 	/*
 	 * Buffer(s) support