From: David Miller <davem@davemloft.net>
To: felix.manlunas@cavium.com
Cc: netdev@vger.kernel.org, raghu.vatsavayi@cavium.com,
derek.chickles@cavium.com, satananda.burla@cavium.com,
prasad.kanneganti@cavium.com
Subject: Re: [PATCH net-next] liquidio: fix inaccurate count of napi-processed rx packets reported to Octeon
Date: Fri, 26 May 2017 14:42:41 -0400 (EDT) [thread overview]
Message-ID: <20170526.144241.1366515927726150516.davem@davemloft.net> (raw)
In-Reply-To: <20170525175429.GA1476@felix-thinkpad.cavium.com>
From: Felix Manlunas <felix.manlunas@cavium.com>
Date: Thu, 25 May 2017 10:54:29 -0700
> From: Prasad Kanneganti <prasad.kanneganti@cavium.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@cavium.com>
> Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Applied.
prev parent reply other threads:[~2017-05-26 18:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-25 17:54 [PATCH net-next] liquidio: fix inaccurate count of napi-processed rx packets reported to Octeon Felix Manlunas
2017-05-26 18:42 ` David Miller [this message]
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