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Altera_Forum's avatar
Altera_Forum
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14 years ago

request timeouts in PCIE

Hi, I am developing DMA for PCIE. I want to know how do we implement request timeouts for PCIE requests. I have some quarries regarding timeouts in PCIE.... 1. Do we implement them through...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

A->B->C , B is a normal pcie switch.

I have a question: if A sends a read request to C, for some reason, C has no response and the TLP stays in B, after a while A issue a completion timeout. what would happen to the read request TLP in B? should B discard the TLP ? but who can notify B to do it ?

thanks a lot