module axi_w_buffer 
#(
    parameter DATA_WIDTH   = 64,
    parameter USER_WIDTH   = 6,
    parameter BUFFER_DEPTH = 2,
    parameter STRB_WIDTH   = DATA_WIDTH/8   // DO NOT OVERRIDE
)
(
	clk_i,
	rst_ni,
	test_en_i,
	slave_valid_i,
	slave_data_i,
	slave_strb_i,
	slave_user_i,
	slave_last_i,
	slave_ready_o,
	master_valid_o,
	master_data_o,
	master_strb_o,
	master_user_o,
	master_last_o,
	master_ready_i
);
	//parameter DATA_WIDTH = 64;
	//parameter USER_WIDTH = 6;
	//parameter BUFFER_DEPTH = 2;
	//parameter STRB_WIDTH = DATA_WIDTH / 8;
	input wire clk_i;
	input wire rst_ni;
	input wire test_en_i;
	input wire slave_valid_i;
	input wire [DATA_WIDTH - 1:0] slave_data_i;
	input wire [STRB_WIDTH - 1:0] slave_strb_i;
	input wire [USER_WIDTH - 1:0] slave_user_i;
	input wire slave_last_i;
	output wire slave_ready_o;
	output wire master_valid_o;
	output wire [DATA_WIDTH - 1:0] master_data_o;
	output wire [STRB_WIDTH - 1:0] master_strb_o;
	output wire [USER_WIDTH - 1:0] master_user_o;
	output wire master_last_o;
	input wire master_ready_i;
	wire [(DATA_WIDTH + STRB_WIDTH) + USER_WIDTH:0] s_data_in;
	wire [(DATA_WIDTH + STRB_WIDTH) + USER_WIDTH:0] s_data_out;
	assign s_data_in = {slave_user_i, slave_strb_i, slave_data_i, slave_last_i};
	assign {master_user_o, master_strb_o, master_data_o, master_last_o} = s_data_out;
	generic_fifo #(
		.DATA_WIDTH(((1 + DATA_WIDTH) + STRB_WIDTH) + USER_WIDTH),
		.DATA_DEPTH(BUFFER_DEPTH)
	) buffer_i(
		.clk(clk_i),
		.rst_n(rst_ni),
		.data_i(s_data_in),
		.valid_i(slave_valid_i),
		.grant_o(slave_ready_o),
		.data_o(s_data_out),
		.valid_o(master_valid_o),
		.grant_i(master_ready_i),
		.test_mode_i(test_en_i)
	);
endmodule