Subversion Repositories xge_mac

//////////////////////////////////////////////////////////////////////

////                                                              ////

////  File name "sc_pkt_if.h"                                     ////

////                                                              ////

////  This file is part of the "10GE MAC" project                 ////

////  http://www.opencores.org/cores/xge_mac/                     ////

////                                                              ////

////  Author(s):                                                  ////

////      - A. Tanguay (antanguay@opencores.org)                  ////

////                                                              ////

//////////////////////////////////////////////////////////////////////

////                                                              ////

//// Copyright (C) 2008 AUTHORS. All rights reserved.             ////

////                                                              ////

//// This source file may be used and distributed without         ////

//// restriction provided that this copyright statement is not    ////

//// removed from the file and that any derivative work contains  ////

//// the original copyright notice and the associated disclaimer. ////

////                                                              ////

//// This source file is free software; you can redistribute it   ////

//// and/or modify it under the terms of the GNU Lesser General   ////

//// Public License as published by the Free Software Foundation; ////

//// either version 2.1 of the License, or (at your option) any   ////

//// later version.                                               ////

////                                                              ////

//// This source is distributed in the hope that it will be       ////

//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////

//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////

//// PURPOSE.  See the GNU Lesser General Public License for more ////

//// details.                                                     ////

////                                                              ////

//// You should have received a copy of the GNU Lesser General    ////

//// Public License along with this source; if not, download it   ////

//// from http://www.opencores.org/lgpl.shtml                     ////

////                                                              ////

//////////////////////////////////////////////////////////////////////

#ifndef PKT_IF_H

#define PKT_IF_H

#include "systemc.h"

#include "sc_defines.h"

#include "sc_packet.h"

#include "sc_scoreboard.h"

SC_MODULE(pkt_if) {

  public:

    //---

    // Ports

    sc_in<bool> clk_156m25;

    sc_in<bool> reset_156m25_n;

    sc_out<vluint64_t > pkt_tx_data;

    sc_out<bool> pkt_tx_eop;

    sc_out<unsigned int> pkt_tx_mod;

    sc_out<bool> pkt_tx_sop;

    sc_out<bool> pkt_tx_val;

    sc_in<bool> pkt_tx_full;

    sc_in<bool> pkt_rx_avail;

    sc_in<vluint64_t > pkt_rx_data;

    sc_in<bool> pkt_rx_eop;

    sc_in<unsigned int> pkt_rx_mod;

    sc_in<bool> pkt_rx_err;

    sc_in<bool> pkt_rx_sop;

    sc_in<bool> pkt_rx_val;

    sc_out<bool> pkt_rx_ren;

  private:

    //---

    // Variables

    sc_fifo<packet_t*> tx_fifo;

    sc_fifo<packet_t*> rx_fifo;

    scoreboard *sb;

    scoreboard::sbSourceId sb_id;

  public:

    //---

    // Variables

    bool disable_rx;

    bool flush_rx;

    bool allow_rx_sop_err;

    //---

    // Functions

    sc_fifo<packet_t*> * get_tx_fifo_ptr();

    sc_fifo<packet_t*> * get_rx_fifo_ptr();

    void init(void);

    void connect_scoreboard(scoreboard *sbptr, scoreboard::sbSourceId sid);

    //---

    // Threads

    void transmit();

    void receive();

    SC_CTOR(pkt_if) :

        tx_fifo (2),

        rx_fifo (2) {

        SC_CTHREAD (transmit, clk_156m25.pos());

        SC_CTHREAD (receive, clk_156m25.pos());

    }

};

#endif