From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Wenzhuo Lu <wenzhuo.lu@intel.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2] igb: fix i350 VF RX issue
Date: Wed, 06 Apr 2016 12:33:08 +0200 [thread overview]
Message-ID: <3181629.kkhiPurygg@xps13> (raw)
In-Reply-To: <1459818600-27241-1-git-send-email-wenzhuo.lu@intel.com>
> A problem is found on i350 VF. We found TX will happen once
> per 4 packets. If only 1~3 packets are received, they will
> not be forwarded. But the real problem is on RX side. The
> reason is the default RX write-back threshold is changed to
> 4, so every first 3 packets may be hung there.
>
> This patch checks the RX wthresh when setting up the RX
> queue, and forces it to be 1, so every packet can be handled
> immediately.
>
> v2:
> - Add missed signoff.
>
> Fixes: 4a41c17dba18 (igb: set default thresholds based on MAC type)
> Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
> Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Applied, thanks
prev parent reply other threads:[~2016-04-06 10:34 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-01 2:08 [dpdk-dev] [PATCH] " Wenzhuo Lu
2016-04-01 12:28 ` Ananyev, Konstantin
2016-04-01 13:43 ` Thomas Monjalon
2016-04-05 0:49 ` Lu, Wenzhuo
2016-04-05 1:10 ` [dpdk-dev] [PATCH v2] " Wenzhuo Lu
2016-04-06 10:33 ` Thomas Monjalon [this message]
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