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helo=tx30smr01.am.freescale.net; Received: from tx30smr01.am.freescale.net (192.88.168.50) by BN1BFFO11FD007.mail.protection.outlook.com (10.58.144.70) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.20.35.14 via Frontend Transport; Tue, 19 Sep 2017 14:14:42 +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 v8JEEdXp015169; Tue, 19 Sep 2017 07:14:40 -0700 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> From: Shreyansh Jain Message-ID: <20a0d11e-b011-9ad9-51b7-9657345c9e9d@nxp.com> Date: Tue, 19 Sep 2017 19:55:37 +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: Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-EOPAttributedMessage: 0 X-Matching-Connectors: 131503040823370112; 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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: CO2PR03MB2357 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: Tue, 19 Sep 2017 14:14:45 -0000 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 > > <...> > >> +Config File Options >> +~~~~~~~~~~~~~~~~~~~ >> + >> +The following options can be modified in the ``config`` file. >> +Please note that enabling debugging options may affect system performance. >> + >> +- ``CONFIG_RTE_LIBRTE_DPAA_BUS`` (default ``n``) >> + >> + By default it is enabled only for defconfig_arm64-dpaa-* config. >> + Toggle compilation of the ``librte_bus_dpaa`` driver. >> + >> +- ``CONFIG_RTE_LIBRTE_DPAA_PMD`` (default ``n``) >> + >> + By default it is enabled only for defconfig_arm64-dpaa-* config. >> + Toggle compilation of the ``librte_pmd_dpaa`` driver. >> + >> +- ``CONFIG_RTE_LIBRTE_DPAA_DEBUG_DRIVER`` (default ``n``) >> + >> + Toggle display of generic debugging messages >> + >> +- ``CONFIG_RTE_LIBRTE_DPAA_DEBUG_INIT`` (default ``n``) >> + >> + Toggle display of initialization related messages. >> + >> +- ``CONFIG_RTE_MBUF_DEFAULT_MEMPOOL_OPS`` (default ``dpaa``) > > There are a few new config missing in documentation. Those are some non-documented/hidden toggles which I don't want to expose. Like *CHECKING. They are there only so that some deep debugging can be done - which would not be useful for someone not used to the base code. Now that you have highlighted, I will see if we can entirely remove those non-documented toggles. > >> + >> + 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. > > <...> > >