Subversion Repositories ethmac10g

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

////                                                              ////

//// MODULE NAME: rxStatModule                                    ////

////                                                              ////

//// DESCRIPTION: Generate signals for statistics. These signals  ////

////            will be used in Management Module.                ////

////                                                              ////

////                                                              ////

//// 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 1.3  2006/06/11 12:15:23  Zheng Cao

// no message

//

// Revision 1.1  2005/12/25 16:43:10  Zheng Cao

// 

// 

//

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

`include "timescale.v"

`include "xgiga_define.v"

module rxStatModule(rxclk, reset, good_frame_get,crc_check_invalid, large_error, small_error,

                    receiving, padded_frame, pause_frame, broad_valid, multi_valid,

                    length_65_127, length_128_255, length_256_511, length_512_1023, length_1024_max,

                    jumbo_frame, get_error_code, rxStatRegPlus);

   input rxclk;

   input reset;

   input good_frame_get;

   input large_error;

   input small_error;

   input crc_check_invalid;

   input receiving;

   input padded_frame;

   input pause_frame;

   input broad_valid;

   input multi_valid;

   input length_65_127;

   input length_128_255;

   input length_256_511;

   input length_512_1023;

   input length_1024_max;

   input jumbo_frame;

   input get_error_code;

   output [17:0] rxStatRegPlus;

   parameter TP =1;

   wire[17:0] rxStatRegPlus_tmp;

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

   // Count for Frames Received OK

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

   assign rxStatRegPlus_tmp[0] = good_frame_get;

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

   // Count for FCS check error

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

   assign rxStatRegPlus_tmp[1] = crc_check_invalid;

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

   // Count for BroadCast Frame Received OK

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

   assign rxStatRegPlus_tmp[2] = broad_valid & good_frame_get;

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

   // Count for Multicast Frame Received OK

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

   assign rxStatRegPlus_tmp[3] = multi_valid & good_frame_get;

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

   // Count for 64 byte Frame Received OK

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

   assign rxStatRegPlus_tmp[4] = padded_frame & good_frame_get;

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

   // Count for 65-127 byte Frames Received OK

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

   assign rxStatRegPlus_tmp[5] = length_65_127 & good_frame_get;

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

   // Count for 128-255 byte Frames Received OK

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

   assign rxStatRegPlus_tmp[6] = length_128_255 & good_frame_get;

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

   // Count for 256-511 byte Frames Received OK

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

   assign rxStatRegPlus_tmp[7] = length_256_511 & good_frame_get;

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

   // Count for 512-1023 byte Frames Received OK

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

   assign rxStatRegPlus_tmp[8] = length_512_1023 & good_frame_get;

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

   // Count for 1024-1518 byte Frames Received OK

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

   assign rxStatRegPlus_tmp[9] = length_1024_max & good_frame_get;

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

   // Count for Control Frames Received OK

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

   assign rxStatRegPlus_tmp[10] = pause_frame & good_frame_get;

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

   // Count for Length/Type Out of Range

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

   assign rxStatRegPlus_tmp[11] = large_error;

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

   // Count for Pause Frames Received OK

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

   assign rxStatRegPlus_tmp[12] = pause_frame & good_frame_get;

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

   // Count for Control Frames Received with Unsupported Opcode.

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

    assign rxStatRegPlus_tmp[13] = 0;//pause_frame & good_frame_get;

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

   // Count for Oversize Frames Received OK

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

   assign rxStatRegPlus_tmp[14] = jumbo_frame & good_frame_get;

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

   // Count for Undersized Frames Received

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

   assign rxStatRegPlus_tmp[15] = small_error;

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

   // Count for Fragment Frames Received

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

   assign rxStatRegPlus_tmp[16] = receiving & get_error_code;

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

   // Count for Number of Bytes Received

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

   assign rxStatRegPlus_tmp[17] = receiving;

   reg[17:0] rxStatRegPlus;

   always@(posedge rxclk or posedge reset) begin

         if(reset)

           rxStatRegPlus <=#TP 0;

         else

           rxStatRegPlus <=#TP rxStatRegPlus_tmp;

   end

endmodule