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 A0917A04DC; Sun, 1 Nov 2020 00:37:07 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id DC1485B38; Sun, 1 Nov 2020 00:37:05 +0100 (CET) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by dpdk.org (Postfix) with ESMTP id 26C595ABB for ; Sun, 1 Nov 2020 00:37:03 +0100 (CET) IronPort-SDR: 8QPRmC1VElCr3flHknnxoiFK7LoOliGtfm3nBFQhDVg0uw6X9Xt1Y4gdLTZtSAUFvNGQPWHlPw z/s+MApOIgRQ== X-IronPort-AV: E=McAfee;i="6000,8403,9791"; a="230393138" X-IronPort-AV: E=Sophos;i="5.77,439,1596524400"; d="scan'208";a="230393138" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Oct 2020 16:37:01 -0700 IronPort-SDR: XvdU8wbWAbzALZcQAO7Ha1Pi+1wpgB4U8rQ2YLrYh1x9oey00cUcp5ORONwiCtAezcp5aoEZpW Oj9pK2+7YW/w== X-IronPort-AV: E=Sophos;i="5.77,439,1596524400"; d="scan'208";a="352277634" Received: from fyigit-mobl1.ger.corp.intel.com (HELO [10.213.218.27]) ([10.213.218.27]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Oct 2020 16:36:59 -0700 To: Thomas Monjalon , dev@dpdk.org, Jiawen Wu , Jian Wang Cc: david.marchand@redhat.com, bruce.richardson@intel.com, olivier.matz@6wind.com, andrew.rybchenko@oktetlabs.ru, akhil.goyal@nxp.com, jerinj@marvell.com References: <20201026052105.1561859-1-thomas@monjalon.net> <20201030174441.1076264-1-thomas@monjalon.net> <16204738.pLQXvH3U5b@thomas> From: Ferruh Yigit Message-ID: <5960b0cf-eb7a-af00-ae6a-86ad5e5db6eb@intel.com> Date: Sat, 31 Oct 2020 23:36:55 +0000 MIME-Version: 1.0 In-Reply-To: <16204738.pLQXvH3U5b@thomas> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Subject: Re: [dpdk-dev] [PATCH v6 00/15] remove mbuf userdata 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 10/31/2020 3:07 PM, Thomas Monjalon wrote: > 30/10/2020 18:44, Thomas Monjalon: >> The mbuf field userdata (aliased as udata64) >> was announced to be removed for two reasons: >> - applications, libraries and drivers used the same field >> for different purposes, with a risk of usage conflict. >> - this field always used 8 bytes even if unneeded >> >> Some dynamic fields are created when needed to replace >> the big static userdata field. >> As a consequence, 8 bytes can be re-allocated to dynamic fields. >> >> This mbuf layout change is important to allow adding more features >> (consuming more dynamic fields) during the next year. > > Applied > The new txgbe driver in the next-net is also using ‘udata64’, that also needs to be updated. cc'ed txgbe maintainer.