From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id BBBB9A046B; Wed, 8 Jan 2020 14:11:10 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 253D61D37D; Wed, 8 Jan 2020 14:11:10 +0100 (CET) Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by dpdk.org (Postfix) with ESMTP id E61FA1C2F5 for ; Wed, 8 Jan 2020 14:11:07 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 08 Jan 2020 05:11:06 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,410,1571727600"; d="scan'208";a="215946115" Received: from fyigit-mobl.ger.corp.intel.com (HELO [10.237.221.35]) ([10.237.221.35]) by orsmga008.jf.intel.com with ESMTP; 08 Jan 2020 05:11:05 -0800 To: David Marchand Cc: Laurent Hardy , dev , Olivier Matz , Thomas Monjalon , Andrew Rybchenko , Bruce Richardson References: <20200107145637.8922-1-laurent.hardy@6wind.com> <2b1389a4-98ec-49cc-b2d0-2e38690fcf4b@intel.com> <27a90969-0241-00e0-0748-b6c6327ab4db@intel.com> From: Ferruh Yigit Autocrypt: addr=ferruh.yigit@intel.com; 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charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [PATCH] librte_ethdev: extend dpdk api led control to query capability 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: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On 1/8/2020 1:00 PM, David Marchand wrote: > On Wed, Jan 8, 2020 at 1:30 PM Ferruh Yigit wrote: >> On 1/8/2020 9:55 AM, David Marchand wrote: >>> On Wed, Jan 8, 2020 at 10:09 AM Ferruh Yigit wrote: >>>> Why it is an ABI break, dev_ops should be between library and drivers, so it >>>> should be out of the ABI concern, isn't it. >>> >>> You are right. >>> So in our context, this is not an ABI breakage. >>> But abidiff still reports it, so maybe some filtering is required to >>> avoid this false positive. >>> >>> Note that if we insert an ops before rx_queue_count, we would have a >>> real ABI breakage, as this ops is accessed via an inline wrapper by >>> applications. >>> >> >> This is good point, perhaps we should add a comment to that line to highlight it. > > The comment won't help in the CI checks. > > > Not talking about short term, but could we consider separating the > inlined ops from the rest (pushing them to rte_eth_dev ?) ? > We would then hide completely eth_dev_ops at the next ABI break window. +1 We didn't able to apply the patch that removes the inline functions [1] because of the performance concerns, but at least separating some ops enables us to hide the eth_dev_ops, although I guess still have to expose 'rte_eth_dev' & 'rte_eth_dev_data'. Still better than nothing. [1] https://patches.dpdk.org/patch/58874/