From: Bruce Richardson <bruce.richardson@intel.com>
To: Olivier Matz <olivier.matz@6wind.com>
Cc: dev@dpdk.org, adrien.mazarguil@6wind.com
Subject: Re: [dpdk-dev] [PATCH v2] mlx4: use dummy rxqs when a non-pow2 number is requested
Date: Fri, 25 Mar 2016 15:18:58 +0000 [thread overview]
Message-ID: <20160325151858.GD7916@bricha3-MOBL3> (raw)
In-Reply-To: <1458901481-21227-1-git-send-email-olivier.matz@6wind.com>
On Fri, Mar 25, 2016 at 11:24:41AM +0100, Olivier Matz wrote:
> When using RSS, the number of rxqs has to be a power of two.
> This is a problem because there is no API in DPDK that makes
> the application aware of that.
>
> A good compromise is to allow the application to request a
> number of rxqs that is not a power of 2, but having inactive
> queues that will never receive packets. In this configuration,
> a warning will be issued to users to let them know that
> this is not an optimal configuration.
>
> Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
> Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Applied to dpdk-next-net/rel_16_04
/Bruce
prev parent reply other threads:[~2016-03-25 15:23 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-21 16:08 [dpdk-dev] [PATCH] " Olivier Matz
2016-03-21 16:45 ` Adrien Mazarguil
2016-03-21 17:38 ` Wiles, Keith
2016-03-22 9:48 ` Olivier Matz
2016-03-22 14:27 ` Wiles, Keith
2016-04-15 9:11 ` Olivier Matz
2016-03-24 12:20 ` Bruce Richardson
2016-03-24 12:25 ` Olivier Matz
2016-03-25 10:24 ` [dpdk-dev] [PATCH v2] " Olivier Matz
2016-03-25 15:18 ` Bruce Richardson [this message]
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