/* Top Level Module of all written * hardware modules.   */`define MY_IP_ADDR					  32'hc0a80102`define MY_MAC_ADDR					  48'h01606e11020f/*`include "IP_send.v"`include "IP_recv.v"`include "arp_send.v"`include "arp_rcv.v"`include "recv_buffer.v"`include "send_buffer.v"`include "mac_cache.v"`include "udp_rcv.v"`include "udp_send.v"*/module toplevel(		input clk,		input reset,		//inputs from low-level software (MAC/PHY) to UDP stack		input [31:0] data_in_from_ethernet,		input [1:0] data_in_from_ethernet_type,		input cpu_ip_done,		input [7:0] cpu_ip_index,		input cpu_arp_done,		input [2:0] cpu_arp_index,		//inputs from application software to UDP stack		input data_out_from_app_valid,		input [31:0] data_out_from_app,		input [31:0] dest_ip_addr,		input [15:0] dest_port,		input [15:0] data_out_from_app_length,		//outputs from UDP stack to low-level software (to MAC/PHY)		output ack,		output cpu_ip_ready,		output [47:0] cpu_ip_mac,		output [31:0] cpu_ip_data,		output [7:0] cpu_ip_length,		output cpu_arp_ready,		output [47:0] cpu_arp_mac,		output [31:0] cpu_arp_data,		//outputs from UDP stack to application software		output data_in_to_app_valid,		output [31:0] data_in_to_app,		output [15:0] input_port);	// The IP and MAC addresses for the FPGA:	wire [31:0] SPA;	assign SPA = `MY_IP_ADDR;	wire [47:0] SHA;	assign SHA = `MY_MAC_ADDR;		// Outputs of udp_send_module	wire [15:0] udp_data_length;	wire [31:0] udp_data_to_ip;	wire valid;	wire [31:0] ip_addr;	// Outputs of recv_buffer_module	wire        /*ack,*/ v_arp, v_ip;	wire [31:0] data_arp, data_ip;	// Outputs of arp_recv_module	wire [31:0] w_ip_addr, send_ip_addr;	wire [47:0] w_mac_addr, send_mac_addr;	wire        w_en, send_en;	// Outputs of IP_recv_module	wire [31:0] udp_data;	wire        udp_valid;	// Outputs of mac_cache_module	wire [47:0] r_mac_addr;	// Outputs of IP_send_module	wire [31:0] ip_send_ip_addr, send_ip_data;	wire        udp_ready, send_ip_valid;	// Outputs from arp_send_module	wire        arp_valid, reply_ready, request_ready;	wire [31:0] arp_data;	wire [47:0] arp_mac_addr;	// Outputs from send_buffer_module	wire        ip_send_ready, arp_send_ready, req_en, r_mac_cache_en;//, cpu_ip_ready, cpu_arp_ready;	wire [31:0] arp_send_ip_addr, r_mac_cache_ip_addr;//, cpu_ip_data, cpu_arp_data;//	wire [47:0] cpu_ip_mac, cpu_arp_mac;//	wire [7:0]  cpu_ip_length;	// Instantiated Modules		udp_rcv udp_rcv_module(		.clk(clk),		.reset(reset),		.udp_valid(udp_valid),		.udp_data(udp_data),		.data_valid(data_in_to_app_valid),		.data(data_in_to_app),		.dest_port(input_port)	);	udp_send udp_send_module(		.clk(clk),		.reset(reset),		//from software app		.data_in_valid(data_out_from_app_valid),		.data_in(data_out_from_app),		.ip_addr_in(dest_ip_addr),		.dest_port(dest_port),		.length_in(data_out_from_app_length),		//to IP_send		.ip_addr_out(ip_addr),		.data_out_valid(valid),		.data_out(udp_data_to_ip),		.length_out(udp_data_length)	);		recv_buffer recv_buffer_module(		.clk(clk),		.reset(reset),		//write port		.data_in(data_in_from_ethernet),		.data_type(data_in_from_ethernet_type),		.data_ack(ack),		//read ports		.data_arp(data_arp),		.v_arp(v_arp),		.data_ip(data_ip),		.v_ip(v_ip)	);	arp_rcv arp_recv_module(	       .clk(clk),	       .reset(reset),	       .arp_valid(v_arp),	       .arp_data(data_arp),		.reply_ready(reply_ready),	       .w_ip_addr(w_ip_addr),	       .w_mac_addr(w_mac_addr),	       .w_en(w_en),	       .send_ip_addr(send_ip_addr),	       .send_mac_addr(send_mac_addr),	       .send_en(send_en)	);	IP_recv IP_recv_module(		.clk(clk),		.reset(reset),		.ivalid(v_ip),		.ip_data(data_ip),		.udp_valid(udp_valid),		.udp_data(udp_data)	);	mac_cache mac_cache_module(		.clk(clk),		.reset(reset),		//write port		.w_ip_addr(w_ip_addr),		.w_mac_addr(w_mac_addr),		.w_en(w_en),		//read port		.r_ip_addr(r_mac_cache_ip_addr),		.r_mac_addr(r_mac_addr),		.r_en(r_mac_cache_en)	);	IP_send IP_send_module(		.clk(clk),		.reset(reset),		// from UDP send		.udp_data(udp_data_to_ip),		.ip_addr(ip_addr),		.valid(valid),		.data_length(udp_data_length),		// send buffer		.ready(ip_send_ready),		// output ports		.oip_addr(ip_send_ip_addr),		.oData(send_ip_data),		.udp_ready(udp_ready),		.ovalid(send_ip_valid)	);	arp_send arp_send_module(		.clk(clk),		.reset(reset),		.send_ip_addr_reply(send_ip_addr),		.send_mac_addr_reply(send_mac_addr),		.send_ip_addr_request(arp_send_ip_addr),		.SPA(SPA),		.SHA(SHA),		.request_en(req_en),		.reply_en(send_en),		.send_buffer_ready(arp_send_ready),		.arp_valid(arp_valid),		.arp_data(arp_data),		.reply_ready(reply_ready),		.request_ready(request_ready),		.arp_mac_addr(arp_mac_addr)	);	send_buffer send_buffer_module(		.clk(clk),		.reset(reset),		//ip send		.ip_send_addr(ip_send_ip_addr),		.ip_send_data(send_ip_data),		.ip_send_valid(send_ip_valid),		.ip_send_ready(ip_send_ready),		//arp_send		//**send reply ports		.arp_send_mac_addr(arp_mac_addr),		.arp_send_data(arp_data),		.arp_send_valid(arp_valid),		.arp_send_ready(arp_send_ready),		//**send request ports		.req_ready(request_ready),		.arp_send_ip_addr(arp_send_ip_addr),		.req_en(req_en),		//mac_cache		.r_mac_addr(r_mac_addr),		.r_mac_cache_en(r_mac_cache_en),		.r_mac_cache_ip_addr(r_mac_cache_ip_addr),		//cpu		.cpu_ip_ready(cpu_ip_ready),		.cpu_ip_done(cpu_ip_done),		.cpu_ip_index(cpu_ip_index),		.cpu_ip_mac(cpu_ip_mac),		.cpu_ip_data(cpu_ip_data),		.cpu_ip_length(cpu_ip_length),		.cpu_arp_ready(cpu_arp_ready),		.cpu_arp_done(cpu_arp_done),		.cpu_arp_index(cpu_arp_index),		.cpu_arp_mac(cpu_arp_mac),		.cpu_arp_data(cpu_arp_data)	);endmodule