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Link Layer Tests
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The test fails if the PUT does not transition to U0.
The test fails if the PUT does not transmit the Header Sequence Number
Advertisement and the Rx Header Buffer Credit Advertisement once in U0.
6.
Examiner and the PUT exchange Port Configuration transactions.
The test fails if the Port Configuration exchange sequences are not successful.
Specification Reference
Sections 7.2.4.1.1#6,8,17,22 ● 7.4.2#4 ● 7.5.4.7.2#4 ● 7.5.12.3.1#1,3,4 7.5.12.3.2#1 ●
7.5.12.4.1#1 ● 7.5.12.4.2#1
7.28
Hot Reset Detection in U0 Test (Upstream Port
Only)
Test Summary
This test verifies that the PUT detects the Hot Reset in U0 and does not start the Port
Configuration Sequences.
Test Steps and Expected Results
1.
Examiner performs steps 1 to 5 of TD7.1 (Link Bring-Up Test) to bring the link to U0.
2.
Examiner transmits TS1 ordered sets to initiate the transition to Recovery.
3.
Examiner waits to receive TS1 ordered sets from the PUT.
4.
Examiner initiates a Hot Reset and transmits the TS2 ordered sets with Reset bit asserted.
The test fails if the PUT does not transmit at least 16 TS2 ordered sets with
the Reset bit asserted, followed by TWO consecutive TS2 ordered sets with
Reset bit de-asserted.
5.
Examiner transmits FOUR consecutive TS2 ordered sets with the Reset bit de-asserted, and
then transmits Idle Symbols.
The test fails if the PUT does not transmit 16 Idle symbols
The test fails if the PUT does not transition to U0.
