Link Layer Tests
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The PENDING_HP_TIMER deadline value is 3us, but is given a “calculated
test time” expiration of 5.0225us. This calculated test time is defined and
explained in the Link Layer Test Specification, Section 4. Please refer to
that document for details
Examiner will keep the link active by sending Link Pollings (LUP when
Examiner is configured as Upstream Port, LDN when Examiner is configured
as a Downstream Port).
The test passes if the PUT goes to recovery when the PENDING_HP_TIMER
expires (within the range of 3us to 5.0225us from the end of PUT’s LMP).
Specification Reference
Section 7.2.4.1.10#1 ● Table 7-7
7.12
CREDIT_HP_TIMER Timeout Test
Test Summary
This test verifies that the PUT will go to recovery when the CREDIT_HP_TIMER expires.
Test Steps and Expected Results
1.
Do steps 1 to 4 of TD7.1 (Link Bring-Up Test), with the exception that Examiner will not
send any LCRD_X.
The CREDIT_HP_TIMER deadline value is 5000us, but is given a “calculated
test time” expiration of 7.5380us. This calculated test time is defined and
explained in the Link Layer Test Specification, Section 4. Please refer to
that document for details.
Examiner will keep the link active by sending Link Pollings (LUP when
Examiner is configured as Upstream Port, LDN when Examiner is configured
as a Downstream Port).
The test passes if the PUT goes to recovery when the CREDIT_HP_TIMER
expires (within the range of 5000us to 7.5380us from the end of PUT’s LMP).
