Subversion Repositories xge_mac

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

////                                                              ////

////  File name "sc_packet.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 PACKET_H

#define PACKET_H

#include "systemc.h"

#define PKT_FLAG_ERR_SIG      0x0001

#define PKT_FLAG_ERR_SOP      0x0002

#define PKT_FLAG_ERR_CRC      0x0004

#define PKT_FLAG_ERR_FRG      0x0008

#define PKT_FLAG_ERR_CODING   0x0010

#define PKT_FLAG_LOCAL_FAULT  0x0020

#define PKT_FLAG_REMOTE_FAULT 0x0040

#define PKT_FLAG_ERR_LENGHT   0x0080

struct packet_t {

    int length;

    // Packet fields

    sc_uint<48> dest_addr;

    sc_uint<48> src_addr;

    sc_uint<8> payload [18000];

    sc_uint<32> crc;

    sc_uint<32> crc_rx;

    sc_uint<32> err_flags;

    sc_uint<32> err_info;

    sc_uint<32> ifg;

    sc_uint<32> start_lane;

    sc_uint<8> data [20000];

};

ostream& operator<<(ostream& os, const packet_t& p);

void pack(packet_t* p);

void unpack(packet_t* p);

void add_crc(packet_t* p);

void strip_crc(packet_t* p);

void calc_crc(packet_t* p);

void pad(packet_t* p, int len);

bool compare(packet_t* pkta, packet_t* pktb);

#endif