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[/] [ethmac10g/] [trunk/] [rtl/] [verilog/] [rx_engine/] [xgiga_define.v] - Blame information for rev 39

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//////////////////////////////////////////////////////////////////////
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////                                                                                                                                                                    ////
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//// MODULE NAME: definition of parameters                                                      ////
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////                                                                                                                                                                    ////
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//// DESCRIPTION:                                                 ////
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////                                                              ////
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////                                                                                                                                                                    ////
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//// This file is part of the 10 Gigabit Ethernet IP core project ////
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////  http://www.opencores.org/projects/ethmac10g/                                              ////
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////                                                                                                                                                                    ////
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//// AUTHOR(S):                                                                                                                                 ////
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//// Zheng Cao                                                               ////
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////                                                                                                    ////
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//////////////////////////////////////////////////////////////////////
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////                                                                                                                                                                    ////
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//// Copyright (c) 2005 AUTHORS.  All rights reserved.                     ////
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////                                                                                                                                                                    ////
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//// This source file may be used and distributed without         ////
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//// restriction provided that this copyright statement is not    ////
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//// removed from the file and that any derivative work contains  ////
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//// the original copyright notice and the associated disclaimer. ////
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////                                                              ////
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//// This source file is free software; you can redistribute it   ////
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//// and/or modify it under the terms of the GNU Lesser General   ////
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//// Public License as published by the Free Software Foundation; ////
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//// either version 2.1 of the License, or (at your option) any   ////
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//// later version.                                               ////
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////                                                              ////
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//// This source is distributed in the hope that it will be       ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
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//// PURPOSE.  See the GNU Lesser General Public License for more ////
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//// details.                                                     ////
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////                                                              ////
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//// You should have received a copy of the GNU Lesser General    ////
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//// Public License along with this source; if not, download it   ////
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//// from http://www.opencores.org/lgpl.shtml                                                   ////
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////                                                                                                                                                                    ////
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//////////////////////////////////////////////////////////////////////
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//
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// CVS REVISION HISTORY:
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//
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// $Log: not supported by cvs2svn $
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// Revision 1.1  2005/12/25 16:43:10  Zheng Cao
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// 
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// 
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//
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//////////////////////////////////////////////////////////////////////
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`define ALLONES 64'hffffffffffffffff
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`define ALLONES8 8'hff
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`define ALLZEROS   8'h00
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///////////////////////////////////////////////
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// Length parameters
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///////////////////////////////////////////////
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`define MAX_VALID_LENGTH 12'h0be
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`define MAX_VALID_BITS_MORE 3'h6
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`define MAX_TAG_LENGTH 12'h0bf
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`define MAX_TAG_BITS_MORE 3'h2
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`define MAX_JUMBO_LENGTH 12'h466
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`define MIN_VALID_LENGTH 8'h08
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///////////////////////////////////////////////
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// Frame field parameters
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///////////////////////////////////////////////
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`define PREAMBLE 8'h55
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`define START      8'hfb
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`define TERMINATE  8'hfd
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`define SFD        8'hd5
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`define SEQUENCE   8'h9a
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`define ERROR      8'hfe
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`define TAG_SIGN   16'h0081//8100
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`define PAUSE_SIGN 32'h01000888//8808
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`define MULTICAST  48'h0180C2000001
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`define BROADCAST  48'hffffffffffff
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////////////////////////////////////////////////
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// Frame bytes counter parameter
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//////////////////////////////////////////////// 
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`define COUNTER_WIDTH 12

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