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SubjectRe: [External] : Re: [PATCH 1/1] IB/mlx5: Add a signature check to received EQEs and CQEs
On Tue, Nov 08, 2022 at 04:24:48PM -0600, rama nichanamatlu wrote:
> in-line.

<...>

> > The thing is that "vendor" failed to explain internally if this debug
> > code is useful. Like I said, extremely rare debug code shouldn't be part
> > of main data path.
> >
> > Thanks
>
> thank you very much for you insights into the relevance of the patch. before
> we close this topic, do want to ask on this.  what is the expectation of the
> nic hardware when it signatures / checksum's an eqe or cqe ?
>
> if it not to be verified by the receiver host for what ever reasons, then
> why even do the checksum computation on the hardware ?

mlx5 data sheet has more than 3000 pages in it. Not everything there is needed now.

Thanks

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