hdr_nv.cc

it is very important

#include "hdr_nv.h"

// Define the TCL glue for the packet header
int hdr_nv::offset_;

static class NVHeaderClass : public PacketHeaderClass {
public:
        NVHeaderClass() : PacketHeaderClass("PacketHeader/NV",
					    sizeof(hdr_nv)) {
		bind_offset(&hdr_nv::offset_);
	}
} class_nvhdr;