[dts] RSS Key Update Feature

[David Liu]

Thank you for the clarification.

On Mon, Jun 29, 2020 at 7:48 PM Thomas Monjalon <thomas at monjalon.net> wrote:

> 29/06/2020 23:07, David Liu:
> > Hello all,
> >
> > I will be implementing a test in DTS for RSS Key Update.
> > http://doc.dpdk.org/guides/nics/features.html#rss-key-update
> >
> > To my understanding, this feature will test the ability to configure the
> > hash key of the ports. If that is incorrect, please let me know.
> >
> > Configure the port RSS hash key in testpmd and check if the new key will
> be
> > kept. Test configure the hash key that is longer than the max length and
> > shorter than the max length.
> >
> > Then start sending in packets with different source and destination IP
> > addresses. Ensure the ports are still able to calculate the hash value
> from
> > the incoming packets.
>
> Updating the key should change the destination queue of the packets.
> By setting up multi-queue Rx and choosing IP addresses accordingly,
> you can see packets arriving on the expected queue.
>
> > Please let me know if there is anything else need to be tested,
>
> A related test could be to read the computed hash in the mbuf metadata.
>
>
>
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