From: David Miller <davem@davemloft.net>
To: sunil.kovvuri@gmail.com
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, sgoutham@cavium.com,
robert.richter@caviumnetworks.com,
jerin.jacob@caviumnetworks.com
Subject: Re: [PATCH] net: thunderx: Fix for Qset error due to CQ full
Date: Thu, 25 Feb 2016 16:25:48 -0500 (EST) [thread overview]
Message-ID: <20160225.162548.782902392289793973.davem@davemloft.net> (raw)
In-Reply-To: <1456312250-25694-1-git-send-email-sunil.kovvuri@gmail.com>
From: sunil.kovvuri@gmail.com
Date: Wed, 24 Feb 2016 16:40:50 +0530
> From: Sunil Goutham <sgoutham@cavium.com>
>
> On Thunderx pass 1.x and pass2 due to a HW errata default CQ
> DROP_LEVEL of 0x80 is not sufficient to avoid CQ_WR_FULL Qset
> error when packets are being received at >20Mpps resulting in
> complete stall of packet reception.
>
> This patch will configure it to 0x100 which is what is expected
> by HW on Thunderx. On future passes of thunderx and other chips
> HW default/reset value will be 0x100 or higher hence not overwritten.
>
> Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
> Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Applied, thank you.
prev parent reply other threads:[~2016-02-25 21:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-24 11:10 sunil.kovvuri
2016-02-25 21:25 ` David Miller [this message]
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