verif/env/common/vera/niu_ippktgen/pgIdgen.vr

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//
// OpenSPARC T2 Processor File: pgIdgen.vr
// Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved
// 4150 Network Circle, Santa Clara, California 95054, U.S.A.
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// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
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// GNU General Public License for more details.
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// along with this program; if not, write to the Free Software
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#include <vera_defines.vrh>
#include <ListMacros.vrh>
#define  TIME {get_time(HI), get_time(LO)}

class CpgIdgen {
     bit[15:0] packet_id[4];

      task new() {
      integer i,j;
      for(i=0;i<4;i++) {
        packet_id[i] = 0;
      }
     }

     function bit[47:0] getMacSA( integer dma_num,integer mac_id) {
       bit[15:0] id;
       bit[1:0] m;
       bit[5:0] d;
       bit[23:0] r;

       id = packet_id[mac_id]++;
       m = mac_id;
       d = dma_num;
       r = random();
       getMacSA = {r,d,m,id};
     }
}