<div dir="ltr"><div dir="ltr">Thank you for the clarification.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jun 29, 2020 at 7:48 PM Thomas Monjalon <<a href="mailto:thomas@monjalon.net">thomas@monjalon.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">29/06/2020 23:07, David Liu:<br>
> Hello all,<br>
> <br>
> I will be implementing a test in DTS for RSS Key Update.<br>
> <a href="http://doc.dpdk.org/guides/nics/features.html#rss-key-update" rel="noreferrer" target="_blank">http://doc.dpdk.org/guides/nics/features.html#rss-key-update</a><br>
> <br>
> To my understanding, this feature will test the ability to configure the<br>
> hash key of the ports. If that is incorrect, please let me know.<br>
> <br>
> Configure the port RSS hash key in testpmd and check if the new key will be<br>
> kept. Test configure the hash key that is longer than the max length and<br>
> shorter than the max length.<br>
> <br>
> Then start sending in packets with different source and destination IP<br>
> addresses. Ensure the ports are still able to calculate the hash value from<br>
> the incoming packets.<br>
<br>
Updating the key should change the destination queue of the packets.<br>
By setting up multi-queue Rx and choosing IP addresses accordingly,<br>
you can see packets arriving on the expected queue.<br>
<br>
> Please let me know if there is anything else need to be tested,<br>
<br>
A related test could be to read the computed hash in the mbuf metadata.<br>
<br>
<br>
</blockquote></div></div>