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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

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.