From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas@monjalon.net>
Subject: Re: [PATCH v2 0/4] ethdev: add per-PMD tuning of RxTx
	parmeters
Date: Sat, 31 Mar 2018 02:05:22 +0200
Message-ID: <2244353.QZW83d2S2R@xps>
References: <20180321142749.27520-1-remy.horton@intel.com>
 <8f7021b0-ea88-d2a9-c2df-080a6aabc78e@intel.com>
 <44b33e0e-9a1b-86ce-24ab-d123b9a1068e@intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7Bit
Cc: dev@dpdk.org, John McNamara <john.mcnamara@intel.com>,
 Wenzhuo Lu <wenzhuo.lu@intel.com>, Jingjing Wu <jingjing.wu@intel.com>,
 Qi Zhang <qi.z.zhang@intel.com>, Beilei Xing <beilei.xing@intel.com>,
 Shreyansh Jain <shreyansh.jain@nxp.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>, Remy Horton <remy.horton@intel.com>
Return-path: <dev-bounces@dpdk.org>
Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com
 [66.111.4.29]) by dpdk.org (Postfix) with ESMTP id B28F05F1C
 for <dev@dpdk.org>; Sat, 31 Mar 2018 02:05:39 +0200 (CEST)
In-Reply-To: <44b33e0e-9a1b-86ce-24ab-d123b9a1068e@intel.com>
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://dpdk.org/ml/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://dpdk.org/ml/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://dpdk.org/ml/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
Sender: "dev" <dev-bounces@dpdk.org>

30/03/2018 12:34, Ferruh Yigit:
> On 3/27/2018 7:43 PM, Ferruh Yigit wrote:
> > On 3/21/2018 2:27 PM, Remy Horton wrote:
> >> The optimal values of several transmission & reception related parameters,
> >> such as burst sizes, descriptor ring sizes, and number of queues, varies
> >> between different network interface devices. This patchset allows individual
> >> PMDs to specify their preferred parameter values, and if so indicated by an
> >> application, for them to be used automatically by the ethdev layer.
> >>
> >> rte_eth_dev_configure() has been changed so that specifying zero for both
> >> nb_rx_q AND nb_tx_q causes it to use driver preferred values, and if these
> >> are not available, falls back to EAL defaults. Setting one (but not both)
> >> to zero does not cause the use of defaults, as having one of them zeroed is
> >> a valid setup.
> >>
> >> This RFC/V1 includes per-PMD values for e1000 and i40e but it is expected
> >> that subsequent patchsets will cover other PMDs. A deprecation notice
> >> covering the API/ABI change is in place.
> >>
> >>
> >> Changes in v2:
> >> * Rebased to 
> >> * Removed fallback values from rte_eth_dev_info_get()
> >> * Added fallback values to rte_rte_[rt]x_queue_setup()
> >> * Added fallback values to rte_eth_dev_configure()
> >> * Corrected comment
> >> * Removed deprecation notice
> >> * Split RX and Tx into seperate structures
> >> * Changed parameter names
> >>
> >>
> >> Remy Horton (4):
> >>   ethdev: add support for PMD-tuned Tx/Rx parameters
> >>   net/e1000: add TxRx tuning parameters
> >>   net/i40e: add TxRx tuning parameters
> >>   testpmd: make use of per-PMD TxRx parameters
> > 
> > Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
> 
> Series applied to dpdk-next-net/master, thanks.

I prefer not pulling this series in master and give a chance to have
a more complete v3 for testpmd and examples.