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From: Thomas Monjalon <thomas@monjalon.net>
To: David Liu <dliu@iol.unh.edu>
Cc: dpdk-dev <dev@dpdk.org>,
	dts@dpdk.org, Lincoln Lavoie <lylavoie@iol.unh.edu>,
	David Marchand <david.marchand@redhat.com>,
	Ferruh Yigit <ferruh.yigit@intel.com>,
	Andrew Rybchenko <arybchenko@solarflare.com>,
	Ori Kam <orika@mellanox.com>, Ciara Power <ciara.power@intel.com>,
	Ivan Ilchenko <ivan.ilchenko@oktetlabs.ru>,
	Hemant Agrawal <hemant.agrawal@nxp.com>,
	Stephen Hemminger <stephen@networkplumber.org>,
	Raslan Darawsheh <rasland@mellanox.com>
Subject: Re: [dpdk-dev] RSS Key Update Feature
Date: Tue, 30 Jun 2020 01:48:14 +0200	[thread overview]
Message-ID: <2250034.MpDbe8kn2E@thomas> (raw)
In-Reply-To: <CAAuqQpREy5uuL_SKKvGGgR73A-0RTN+RD7xjg5YEy-yniuwMTg@mail.gmail.com>

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.



  reply	other threads:[~2020-06-29 23:48 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-29 21:07 David Liu
2020-06-29 23:48 ` Thomas Monjalon [this message]
2020-06-30 13:01   ` David Liu

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