[openib-general] libibverbs question

Tziporet Koren tziporet at mellanox.co.il
Sun Jul 23 03:56:51 PDT 2006


Roland Dreier wrote:
>     Steve> If a SEND is received on a QP and it generates a BOUNDS
>     Steve> violation because the recv buffer posted is too small, will
>     Steve> this generate an async error?
>
> No, I don't believe so.  The error can be returned synchronously as a
> completion with status of "local length error."
>
> (I was actually too lazy to look at the IB spec, but you should be
> able to confirm that by looking at the section of chapter 11 on
> completion status)
>
>
>   
Mellanox HCAs behaviour is:
in RC - WQE completed with error
in UD/UC - skip message and resume operation

Tziporet





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