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From: Harish Patil <harish.patil@qlogic.com>
To: Bruce Richardson <bruce.richardson@intel.com>,
	Rasesh Mody <rasesh.mody@qlogic.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
	Dept-Eng DPDK Dev <Dept-EngDPDKDev@qlogic.com>
Subject: Re: [dpdk-dev] [PATCH v4 1/3] bnx2x: refactor Tx routine for single doorbell mechanism
Date: Wed, 11 May 2016 05:41:15 +0000	[thread overview]
Message-ID: <D358138B.1917E%harish.patil@qlogic.com> (raw)
In-Reply-To: <20160506144524.GB8880@bricha3-MOBL3>


>On Tue, May 03, 2016 at 10:38:20PM -0700, Rasesh Mody wrote:
>> Change the Tx routine logic to ring the doorbell once per burst and not
>> on every Tx packet. This driver-level optimization is necessary to
>>achieve
>> line rates for larger frame sizes (1k or more).
>> 
>> Fixes: 540a211084a7 ("bnx2x: driver core")
>> 
>> Signed-off-by: Rasesh Mody <rasesh.mody@qlogic.com>
>> Signed-off-by: Harish Patil <harish.patil@qlogic.com>
>
>Hi Rasesh, Harish,
>
>there is quite a bit of churn to the tx_encap routine in this patch, but
>the
>reason for that function change is not really explained well here - why
>it's
>changed from a burst function to a single mbuf function. This is
>confusing when
>the overall objective of the patch seems to be to do the opposite - have
>things
>more burst oriented.
>
>It might be better to have this patch split into two patches - one
>changing the
>tx_encap function and then a second one to restructure the xmit function.
>
>Regards,
>/Bruce
>
>

Hi Bruce,
Sure. We shall have it split into two patches and send it over.

Thanks,
Harish


      reply	other threads:[~2016-05-11  5:41 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-04  5:38 Rasesh Mody
2016-05-04  5:38 ` [dpdk-dev] [PATCH v4 2/3] bnx2x: enhance stats get Rasesh Mody
2016-05-06 14:47   ` Bruce Richardson
2016-05-07  0:14     ` Rasesh Mody
2016-05-10 10:27       ` Remy Horton
2016-05-11  0:58         ` Rasesh Mody
2016-06-21  9:00           ` Remy Horton
2016-05-04  5:38 ` [dpdk-dev] [PATCH v4 3/3] bnx2x: update PMD version to 1.0.1.1 Rasesh Mody
2016-05-06 14:45 ` [dpdk-dev] [PATCH v4 1/3] bnx2x: refactor Tx routine for single doorbell mechanism Bruce Richardson
2016-05-11  5:41   ` Harish Patil [this message]

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