PCIe Devices - PLX Technology
PCIe Devices - PLX Technology
PCIe Devices - PLX Technology
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Data Link Layer Handling of TLPs<br />
n<br />
Data Link Layer stores a copy of every transmitted<br />
TLP until receipt has been acknowledged<br />
l Purges copies only when acknowledgement (Ack) has been<br />
received<br />
– Received Nak forces re-transmission<br />
– Data Link Layer timer roll over also causes retransmission<br />
l<br />
Memory buffer and control for this storage will be vendor<br />
specific<br />
Copyright by Dashcourses, Inc. 2009<br />
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