From: Adrien Mazarguil <adrien.mazarguil@6wind.com>
To: Olivier Matz <olivier.matz@6wind.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] mlx4: use dummy rxqs when a non-pow2 number is requested
Date: Mon, 21 Mar 2016 17:45:30 +0100 [thread overview]
Message-ID: <20160321164530.GP27079@6wind.com> (raw)
In-Reply-To: <1458576484-28211-1-git-send-email-olivier.matz@6wind.com>
On Mon, Mar 21, 2016 at 05:08:04PM +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 is 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>
> ---
> drivers/net/mlx4/mlx4.c | 27 +++++++++++++++++----------
> 1 file changed, 17 insertions(+), 10 deletions(-)
Acked-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
--
Adrien Mazarguil
6WIND
next prev parent reply other threads:[~2016-03-21 16:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-21 16:08 Olivier Matz
2016-03-21 16:45 ` Adrien Mazarguil [this message]
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
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