netdev - Re: [PATCH net-next] liquidio: fix inaccurate count of napi-processed rx packets reported to Octeon

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Message-Id: <20170526.144241.1366515927726150516.davem@davemloft.net>
Date:   Fri, 26 May 2017 14:42:41 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     felix.manlunas@...ium.com
Cc:     netdev@...r.kernel.org, raghu.vatsavayi@...ium.com,
        derek.chickles@...ium.com, satananda.burla@...ium.com,
        prasad.kanneganti@...ium.com
Subject: Re: [PATCH net-next] liquidio: fix inaccurate count of
 napi-processed rx packets reported to Octeon

From: Felix Manlunas <felix.manlunas@...ium.com>
Date: Thu, 25 May 2017 10:54:29 -0700

> From: Prasad Kanneganti <prasad.kanneganti@...ium.com>
> 
> lio_enable_irq (called by napi poll) is reporting to Octeon an inaccurate
> count of processed rx packets causing Octeon to eventually stop forwarding
> packets to the host.  Fix it by using this formula for an accurate count:
> 
>     processed rx packets = droq->pkt_count - droq->pkts_pending
> 
> Also increase SOFT_COMMAND_BUFFER_SIZE to match what the firmware expects.
> 
> Signed-off-by: Prasad Kanneganti <prasad.kanneganti@...ium.com>
> Signed-off-by: Felix Manlunas <felix.manlunas@...ium.com>

Applied.