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helo=tx30smr01.am.freescale.net; Received: from tx30smr01.am.freescale.net (192.88.168.50) by BN1BFFO11FD043.mail.protection.outlook.com (10.58.144.106) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.20.56.11 via Frontend Transport; Thu, 28 Sep 2017 11:39:04 +0000 Received: from [10.232.14.39] ([10.232.14.39]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id v8SBd1mB003898; Thu, 28 Sep 2017 04:39:02 -0700 From: Shreyansh Jain To: Ferruh Yigit CC: , References: <20170823141213.25476-1-shreyansh.jain@nxp.com> <20170909112132.13936-1-shreyansh.jain@nxp.com> <20170909112132.13936-18-shreyansh.jain@nxp.com> <20a0d11e-b011-9ad9-51b7-9657345c9e9d@nxp.com> Message-ID: Date: Thu, 28 Sep 2017 17:19:54 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: <20a0d11e-b011-9ad9-51b7-9657345c9e9d@nxp.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-EOPAttributedMessage: 0 X-Matching-Connectors: 131510723444786383; 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Ip=[192.88.168.50]; Helo=[tx30smr01.am.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR03MB2695 Subject: Re: [dpdk-dev] [PATCH v4 17/41] doc: add NXP DPAA PMD documentation X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 Sep 2017 11:39:07 -0000 On Tuesday 19 September 2017 07:55 PM, Shreyansh Jain wrote: > On Monday 18 September 2017 08:23 PM, Ferruh Yigit wrote: >> On 9/9/2017 12:21 PM, Shreyansh Jain wrote: >>> Signed-off-by: Hemant Agrawal >>> Signed-off-by: Shreyansh Jain >> [...] >>> +  This is not a DPAA specific configuration - it is a generic RTE >>> config. >>> +  For optimal performance and hardware utilization, it is expected >>> that DPAA >>> +  Mempool driver is used for mempools. For that, this configuration >>> needs to >>> +  enabled. >>> + >>> +Environment Variables >>> +~~~~~~~~~~~~~~~~~~~~~ >>> + >>> +DPAA drivers uses the following environment variables to configure its >>> +state during application initialization: >>> + >>> +- ``DPAA_NUM_RX_QUEUES`` (default 1) >> >> Why not getting this value as device arg? > > We had this discussion during DPAA2 as well. This time, I was not sure > of how the device argument patches are turning out to be after the > re-shuffle being done by Gaetan. So, I kept this as it is. In the v5, I have continued with the old way. I am still reviewing the devargs patches from Gaetan - once that is done, probably after 1711, I will push another patch for removing this environment variable. In fact, in an internal code change, we have removed need to rely on this. but, that is slightly ahead in future.