netdev - Re: [PATCH net] net: aquantia: regression on cpus with high cores: set mode with 8 queues

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Date:   Fri, 01 Mar 2019 11:25:51 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     Igor.Russkikh@...antia.com
Cc:     netdev@...r.kernel.org, Dmitry.Bogdanov@...antia.com
Subject: Re: [PATCH net] net: aquantia: regression on cpus with high cores:
 set mode with 8 queues

From: Igor Russkikh <Igor.Russkikh@...antia.com>
Date: Tue, 26 Feb 2019 15:39:13 +0000

> From: Dmitry Bogdanov <dmitry.bogdanov@...antia.com>
> 
> Recently the maximum number of queues was increased up to 8, but
> NIC was not fully configured for 8 queues. In setups with more than 4 CPU
> cores parts of TX traffic gets lost if the kernel routes it to queues 4th-8th.
> 
> This patch sets a tx hw traffic mode with 8 queues.
> 
> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=202651
> 
> Fixes: 71a963cfc50b ("net: aquantia: increase max number of hw queues")
> Reported-by: Nicholas Johnson <nicholas.johnson@...look.com.au>
> Signed-off-by: Dmitry Bogdanov <dmitry.bogdanov@...antia.com>
> Signed-off-by: Igor Russkikh <igor.russkikh@...antia.com>

Applied.