From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id 341112BF2 for ; Thu, 24 Jan 2019 17:18:29 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 24 Jan 2019 08:18:28 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,517,1539673200"; d="scan'208";a="132760259" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.22]) ([10.237.221.22]) by orsmga001.jf.intel.com with ESMTP; 24 Jan 2019 08:18:25 -0800 To: Thomas Monjalon Cc: Kuba Kozak , deepak.k.jain@intel.com, bruce.richardson@intel.com, michalx.k.jastrzebski@intel.com, jacekx.piasecki@intel.com, dpdk-dev , Stephen Hemminger , Kevin Traynor , David Marchand References: <1499691101-184293-2-git-send-email-kubax.kozak@intel.com> <46920458.2e8qigbnFm@xps> <631f689c-a4a4-bc91-c8ec-8449fea20f5f@intel.com> <30360779.GShNj3nc5p@xps> From: Ferruh Yigit Openpgp: preference=signencrypt Autocrypt: addr=ferruh.yigit@intel.com; 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WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <30360779.GShNj3nc5p@xps> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [dpdk-dev] [PATCH v5 0/3] EAL change for using a config file for DPDK 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, 24 Jan 2019 16:18:29 -0000 On 1/24/2019 4:06 PM, Thomas Monjalon wrote: > 24/01/2019 15:46, Ferruh Yigit: >> On 1/24/2019 2:32 PM, Thomas Monjalon wrote: >>> 24/01/2019 14:54, Ferruh Yigit: >>>> On 1/23/2019 8:26 PM, Thomas Monjalon wrote: >>>>> 23/01/2019 20:31, Ferruh Yigit: >>>>>> On 7/13/2017 11:07 AM, kubax.kozak at intel.com (Kuba Kozak) wrote: >>>>>>> This patchset introduce a mechanism for running dpdk application with >>>>>>> parameters provided by configuration file. >>>>>>> >>>>>>> A new API for EAL takes a config file data type - either loaded from >>>>>>> file, or built up programmatically in the application - and extracts >>>>>>> DPDK parameters from it to be used when eal init is called. >>>>>>> This allows apps to have an alternative method to configure EAL, >>>>>>> other than via command-line parameters. >>>>>>> >>>>>>> Reworked applications are used to demonstrate the new eal API. >>>>>>> If a --cfgfile-path option is passed into command line non >>>>>>> EAL section, then the file is loaded and used by app. If a file >>>>>>> called config.ini is present in current working directory, and >>>>>>> no --cfgfile-path option is passed in, config.ini file will be >>>>>>> loaded and used by app. >>>>>>> >>>>>>> Patch "app/testpmd: add parse options from JSON cfg file" >>>>>>> demonstrates the usage of JSON instead of INI file format. >>>>>>> JSON file can be called the same way as above, >>>>>>> through --cfgfile-path argument. >>>>>>> --- >>>>>>> this patch depends on: >>>>>>> "Rework cfgfile API to enable apps config file support" >>>>>>> >>>>>>> v5: >>>>>>> changed define "RTE_DEVTYPE_VIRTUAL" to "RTE_DEVTYPE_UNDEFINED" >>>>>>> due to compilation errors (changes on current master). >>>>>>> >>>>>>> v4: >>>>>>> Code optimalisation in parse_vdev_devices() function. >>>>>>> Moved some functions from librte_eal/bsdapp and librte_eal/linuxapp >>>>>>> to the librte_eal/common. >>>>>>> Bug fixes. >>>>>>> >>>>>>> v3: >>>>>>> split one patchset into two distinct patchsets: >>>>>>> 1. cfgfile library and TEST app changes >>>>>>> 2. EAL changes and examples (this patchset depends on cfgfile) >>>>>>> >>>>>>> v2: >>>>>>> lib eal: >>>>>>> Rework of rte_eal_configure(struct rte_cfgfile *cfg, char *prgname). >>>>>>> Now this function load data from cfg structure and did initial >>>>>>> initialization of EAL arguments. Vdev argument are stored in different >>>>>>> subsections eg. DPDK.vdev0, DPDK.vdev1 etc. After execution of this >>>>>>> function it is necessary to call rte_eal_init to complete EAL >>>>>>> initialization. There is no more merging arguments from different >>>>>>> sources (cfg file and command line). >>>>>>> Added non_eal_configure to testpmd application. >>>>>>> Function maintain the same functionality as rte_eal_configure but >>>>>>> for non-eal arguments. >>>>>>> Added config JSON feature to testpmd last patch from patchset contain >>>>>>> example showing use of .json configuration files. >>>>>>> >>>>>>> lib cfgfile: >>>>>>> Rework of add_section(), add_entry() new implementation >>>>>>> New members allocated_entries/sections, free_entries/sections >>>>>>> in rte_cfgfile structure, change in array of pointers >>>>>>> **sections, **entries instead of *sections[], *entries[] >>>>>>> Add set_entry() to update/overwrite already existing entry in cfgfile >>>>>>> struct >>>>>>> Add save() function to save on disc cfgfile structure in INI format >>>>>>> Rework of existing load() function simplifying the code >>>>>>> Add unit test realloc_sections() in TEST app for testing realloc/malloc >>>>>>> of new API functions, add test for save() function >>>>>>> >>>>>>> Kuba Kozak (3): >>>>>>> eal: add functions parsing EAL arguments >>>>>>> app/testpmd: add parse options from cfg file >>>>>>> app/testpmd: add parse options from JSON cfg file >>>>>> >>>>>> This patchset is idle more than a year now. >>>>>> It solves problem of eal parameters, it doesn't remove them but at least moves >>>>>> from command line to config file. >>>>>> >>>>>> The patch seems mostly done, but what is the status of it, do we want to >>>>>> continue it? >>>>>> And if we want to continue it can this be a good candidate for GCOS? >>>>> >>>>> I think we must focus on reorganization of EAL first. >>>>> When the options parsing will be better isolated, >>>>> and accessible from API independant of rte_eal_init, >>>>> then we could provide some helpers to use those APIs >>>>> for a config file, a custom command line or anything else. >>>> >>>> Is there any actions do we need to take when patches are rejected? >>> >>> Not sure I understand your question. >>> Any opinion about such plan? >> >> When patch status updated, they will disappear from our radar, should we do >> something to remind us this kind of work needs to be done and already some >> patches are available to benefit. >> >> Keeping them in the patchwork is one option, but it is getting hard to manage as >> the list grows there, and not all work stays relevant/active in the backlog. >> Also their status is not clear in the patchwork backlog. > > I think we should add an item in the roadmap with a link to this patch. OK. Do you want me do it?