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/**
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* 10 GE MAC Core loopback test scenario file.
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* @file: testcase.sv (loopback)
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* @author: Pratik Mahajan
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* @par Contact: pratik@e-pigeonpost.com
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* @par Company: UCSC (SV 1896 Systemverilog for advanced verification course)
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*
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* @version: $LastChangedRevision$
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* @par Last Changed Date:
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* $LastChangedDate$
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* @par Last Changed By
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* $LastChangedBy$
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*/
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`include "../../verification/include.sv"
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`include "../../verification/packet.sv"
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`include "../../verification/driver.sv"
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`include "../../verification/monitor.sv"
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`include "../../verification/scoreboard.sv"
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`include "../../verification/env.sv"
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/**
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* Testcase representing loopback scenario.
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* The testcase sets proper environment variable for design to work in loopback mode
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* To connect DUT in loopback mode:
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* XGMII interface Tx is connected to XGMII Rx port.
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* Data transmitted through simple Tx port collected through simple Rx port
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* and the data is compared for equality
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*/
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program testcase ( macCoreInterface driverTestInterface,
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macCoreInterface monitorTestInterface
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);
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env envLoopBack;
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int noOfPackets;
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int lengthOfFrame;
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initial begin
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envLoopBack = new (driverTestInterface, monitorTestInterface);
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noOfPackets = $urandom_range (5, 8);
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lengthOfFrame = $urandom_range (58, 68);
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#20 envLoopBack.reset ();
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#30 envLoopBack.init ();
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envLoopBack.run (noOfPackets, lengthOfFrame);
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envLoopBack.validate (noOfPackets, lengthOfFrame);
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#1000000 $finish;
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end
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final begin
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$display ("\n\n");
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$display ("\t//////////////////////////////////////////////////////////\n");
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$display ("\t///////////// Test Finished, Results: ////////////////////\n");
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$display ("\t//////////////////////////////////////////////////////////\n");
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if (envLoopBack.macCoreScoreboard.error == 1) $display ("\t\t End Of Test ERROR: \n\t\t Error occured while checking packets\n");
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else $display ("\t\t End Of Test PASS: \n\t\t All packets were matched properly\n");
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end
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endprogram // testcase
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