From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Helin Zhang <helin.zhang@intel.com>
Cc: dev@dpdk.org, aaron.f.rowden@intel.com
Subject: Re: [dpdk-dev] [PATCH v3] i40e: workaround for X710 performance issues
Date: Tue, 16 Dec 2014 09:37:04 +0100 [thread overview]
Message-ID: <2702920.KlIrzH6BZs@xps13> (raw)
In-Reply-To: <1418718200-31924-1-git-send-email-helin.zhang@intel.com>
Hi Helin,
First, thank you and Jing for the excellent review process.
2014-12-16 16:23, Helin Zhang:
> On X710, performance number is far from the expectation on recent
> firmware versions. The fix for this issue may not be integrated in
> the following firmware version. So the workaround in software driver
> is needed. It needs to modify the initial values of 3 internal only
> registers. Note that the workaround can be removed when it is fixed
> in firmware in the future.
I want to understand something here. You say the workaround can be removed
when firmware will be fixed. But I suppose that some NICs won't be updated
so the workaround will be needed forever?
--
Thomas
next prev parent reply other threads:[~2014-12-16 8:37 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-15 7:09 [dpdk-dev] [PATCH] " Helin Zhang
2014-12-15 7:56 ` [dpdk-dev] [PATCH v2] " Helin Zhang
2014-12-16 2:29 ` Chen, Jing D
2014-12-16 2:43 ` Zhang, Helin
2014-12-16 8:23 ` [dpdk-dev] [PATCH v3] " Helin Zhang
2014-12-16 8:37 ` Thomas Monjalon [this message]
2014-12-16 11:07 ` Zhang, Helin
2014-12-16 9:07 ` Chen, Jing D
2014-12-17 0:05 ` Thomas Monjalon
2015-01-08 2:43 ` Wu, Jingjing
2015-01-08 2:49 ` Zhang, Helin
2015-01-09 5:29 ` Wu, Jingjing
2015-01-09 15:48 ` Thomas Monjalon
2015-01-12 0:26 ` Zhang, Helin
2015-01-12 0:39 ` Wu, Jingjing
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