Modularized the ebpf program loading and attaching.

src/user/include/modules/module_manager.h

@@ -0,0 +1,10 @@
+#ifndef __MOD_MANAGER_H
+#define __MOD_MANAGER_H
+
+#include <unistd.h>
+
+struct module_config{
+    //TODO
+};
+
+#endif

src/user/include/modules/xdp.h

@@ -0,0 +1,5 @@
+#ifndef __MOD_XDP_H
+#define __MOD_XDP_H
+
+
+#endif

src/user/include/xdp_filter.h

@@ -1,11 +1,4 @@
 #ifndef __XDP_FILTER_H
 #define __XDP_FILTER_H
 
-#define MAX_PAYLOAD_LEN 127
-
-struct event {
-	char payload[MAX_PAYLOAD_LEN];
-	//bool exit_event;
-};
-
 #endif