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[/] [ethmac10g/] [trunk/] [rtl/] [verilog/] [rx_engine/] [xgiga_define.v] - Rev 39
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////////////////////////////////////////////////////////////////////// //// //// //// MODULE NAME: definition of parameters //// //// //// //// DESCRIPTION: //// //// //// //// //// //// This file is part of the 10 Gigabit Ethernet IP core project //// //// http://www.opencores.org/projects/ethmac10g/ //// //// //// //// AUTHOR(S): //// //// Zheng Cao //// //// //// ////////////////////////////////////////////////////////////////////// //// //// //// Copyright (c) 2005 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 //// //// //// ////////////////////////////////////////////////////////////////////// // // CVS REVISION HISTORY: // // $Log: not supported by cvs2svn $ // Revision 1.1 2005/12/25 16:43:10 Zheng Cao // // // ////////////////////////////////////////////////////////////////////// `define ALLONES 64'hffffffffffffffff `define ALLONES8 8'hff `define ALLZEROS 8'h00 /////////////////////////////////////////////// // Length parameters /////////////////////////////////////////////// `define MAX_VALID_LENGTH 12'h0be `define MAX_VALID_BITS_MORE 3'h6 `define MAX_TAG_LENGTH 12'h0bf `define MAX_TAG_BITS_MORE 3'h2 `define MAX_JUMBO_LENGTH 12'h466 `define MIN_VALID_LENGTH 8'h08 /////////////////////////////////////////////// // Frame field parameters /////////////////////////////////////////////// `define PREAMBLE 8'h55 `define START 8'hfb `define TERMINATE 8'hfd `define SFD 8'hd5 `define SEQUENCE 8'h9a `define ERROR 8'hfe `define TAG_SIGN 16'h0081//8100 `define PAUSE_SIGN 32'h01000888//8808 `define MULTICAST 48'h0180C2000001 `define BROADCAST 48'hffffffffffff //////////////////////////////////////////////// // Frame bytes counter parameter //////////////////////////////////////////////// `define COUNTER_WIDTH 12
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