module eth_mac_mii #
(
    // target ("SIM", "GENERIC", "XILINX", "ALTERA")
    parameter TARGET = "GENERIC",
    // Clock input style ("BUFG", "BUFR", "BUFIO", "BUFIO2")
    // Use BUFR for Virtex-5, Virtex-6, 7-series
    // Use BUFG for Ultrascale
    // Use BUFIO2 for Spartan-6
    parameter CLOCK_INPUT_STYLE = "BUFIO2",
    parameter ENABLE_PADDING = 1,
    parameter MIN_FRAME_LENGTH = 64
)
(
    input  wire        rst,
    output wire        rx_clk,
    output wire        rx_rst,
    output wire        tx_clk,
    output wire        tx_rst,

    /*
     * AXI input
     */
    input  wire [7:0]  tx_axis_tdata,
    input  wire        tx_axis_tvalid,
    output wire        tx_axis_tready,
    input  wire        tx_axis_tlast,
    input  wire        tx_axis_tuser,

    /*
     * AXI output
     */
    output wire [7:0]  rx_axis_tdata,
    output wire        rx_axis_tvalid,
    output wire        rx_axis_tlast,
    output wire        rx_axis_tuser,

    /*
     * MII interface
     */
    input  wire        mii_rx_clk,
    input  wire [3:0]  mii_rxd,
    input  wire        mii_rx_dv,
    input  wire        mii_rx_er,
    input  wire        mii_tx_clk,
    output wire [3:0]  mii_txd,
    output wire        mii_tx_en,
    output wire        mii_tx_er,

    /*
     * Status
     */
    output wire        tx_start_packet,
    output wire        tx_error_underflow,
    output wire        rx_start_packet,
    output wire        rx_error_bad_frame,
    output wire        rx_error_bad_fcs,

    /*
     * Configuration
     */
    input  wire [7:0]  ifg_delay
);

wire [3:0]  mac_mii_rxd;
wire        mac_mii_rx_dv;
wire        mac_mii_rx_er;
wire [3:0]  mac_mii_txd;
wire        mac_mii_tx_en;
wire        mac_mii_tx_er;

mii_phy_if #(
    .TARGET(TARGET),
    .CLOCK_INPUT_STYLE(CLOCK_INPUT_STYLE)
)
mii_phy_if_inst (
    .rst(rst),

    .mac_mii_rx_clk(rx_clk),
    .mac_mii_rx_rst(rx_rst),
    .mac_mii_rxd(mac_mii_rxd),
    .mac_mii_rx_dv(mac_mii_rx_dv),
    .mac_mii_rx_er(mac_mii_rx_er),
    .mac_mii_tx_clk(tx_clk),
    .mac_mii_tx_rst(tx_rst),
    .mac_mii_txd(mac_mii_txd),
    .mac_mii_tx_en(mac_mii_tx_en),
    .mac_mii_tx_er(mac_mii_tx_er),

    .phy_mii_rx_clk(mii_rx_clk),
    .phy_mii_rxd(mii_rxd),
    .phy_mii_rx_dv(mii_rx_dv),
    .phy_mii_rx_er(mii_rx_er),
    .phy_mii_tx_clk(mii_tx_clk),
    .phy_mii_txd(mii_txd),
    .phy_mii_tx_en(mii_tx_en),
    .phy_mii_tx_er(mii_tx_er)
);

eth_mac_1g #(
    .ENABLE_PADDING(ENABLE_PADDING),
    .MIN_FRAME_LENGTH(MIN_FRAME_LENGTH)
)
eth_mac_1g_inst (
    .tx_clk(tx_clk),
    .tx_rst(tx_rst),
    .rx_clk(rx_clk),
    .rx_rst(rx_rst),
    .tx_axis_tdata(tx_axis_tdata),
    .tx_axis_tvalid(tx_axis_tvalid),
    .tx_axis_tready(tx_axis_tready),
    .tx_axis_tlast(tx_axis_tlast),
    .tx_axis_tuser(tx_axis_tuser),
    .rx_axis_tdata(rx_axis_tdata),
    .rx_axis_tvalid(rx_axis_tvalid),
    .rx_axis_tlast(rx_axis_tlast),
    .rx_axis_tuser(rx_axis_tuser),
    .gmii_rxd(mac_mii_rxd),
    .gmii_rx_dv(mac_mii_rx_dv),
    .gmii_rx_er(mac_mii_rx_er),
    .gmii_txd(mac_mii_txd),
    .gmii_tx_en(mac_mii_tx_en),
    .gmii_tx_er(mac_mii_tx_er),
    .rx_clk_enable(1'b1),
    .tx_clk_enable(1'b1),
    .rx_mii_select(1'b1),
    .tx_mii_select(1'b1),
    .tx_start_packet(tx_start_packet),
    .tx_error_underflow(tx_error_underflow),
    .rx_start_packet(rx_start_packet),
    .rx_error_bad_frame(rx_error_bad_frame),
    .rx_error_bad_fcs(rx_error_bad_fcs),
    .ifg_delay(ifg_delay)
);

endmodule