PCIe Devices - PLX Technology
PCIe Devices - PLX Technology
PCIe Devices - PLX Technology
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Normal Operations<br />
n<br />
Once the Link is initialized and operational, the<br />
Data Link Layer conditions TLPs received from<br />
the Transport Layer and passes them to the<br />
Physical Layer<br />
l Data Link Layer service DLLPs will show up as traffic<br />
intermittently<br />
– Exchange of flow control credits, Ack/Nak,<br />
power transition commands<br />
n<br />
Data Link Layer TLP conditioning consists of<br />
l<br />
l<br />
Pre-pending a Sequence Number to the TLP and<br />
appending a 32-bit link layer CRC (LCRC)<br />
Validating received LCRCs, acknowledgement, and passing<br />
TLP to Transaction Layer on the receiver side<br />
Copyright by Dashcourses, Inc. 2009<br />
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