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_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<long unsigned int > 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<long unsigned int > 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 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