From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id 1A0AA1B217 for ; Thu, 22 Nov 2018 10:58:33 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Nov 2018 01:58:32 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,265,1539673200"; d="scan'208";a="102271129" Received: from irsmsx153.ger.corp.intel.com ([163.33.192.75]) by orsmga003.jf.intel.com with ESMTP; 22 Nov 2018 01:58:31 -0800 Received: from irsmsx101.ger.corp.intel.com ([169.254.1.134]) by IRSMSX153.ger.corp.intel.com ([169.254.9.139]) with mapi id 14.03.0415.000; Thu, 22 Nov 2018 09:58:30 +0000 From: "Stokes, Ian" To: Stephen Hemminger , Andrew Rybchenko CC: "dev@dpdk.org" , Shahaf Shuler Thread-Topic: [dpdk-dev] [RFC] ethdev: add min/max MTU to device info Thread-Index: AQHURTd7Ns5c9hPsvUSFJ5ziTajwnaTiur4AgABJkwCAeQRp0A== Date: Thu, 22 Nov 2018 09:58:30 +0000 Message-ID: References: <20180905164157.844-1-stephen@networkplumber.org> <20180906115252.79226596@shemminger-XPS-13-9360> In-Reply-To: <20180906115252.79226596@shemminger-XPS-13-9360> Accept-Language: en-IE, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiMDk3MTQ4NGMtZTZkMC00ZDdiLTk0MzQtMDNhOGFjZjU3MTVmIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoibDBDOTdRc2ZqaUl5eVRTWDVVTzNnNkxlQXIxaFQ5RjBaUHl4bkZZdjN3ZVhZNVAwd2JmbXlXaFdBRUJ3dlhSOSJ9 x-ctpclassification: CTP_NT dlp-product: dlpe-windows dlp-version: 11.0.400.15 dlp-reaction: no-action x-originating-ip: [163.33.239.180] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Subject: Re: [dpdk-dev] [RFC] ethdev: add min/max MTU to device info 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, 22 Nov 2018 09:58:34 -0000 > On Thu, 6 Sep 2018 09:29:32 +0300 > Andrew Rybchenko wrote: >=20 > > On 09/05/2018 07:41 PM, Stephen Hemminger wrote: > > > This addresses the usability issue raised by OVS at DPDK Userspace > > > summit. It adds general min/max mtu into device info. For > > > compatiablity, and to save space, it fits in a hole in existing > structure. > > > > It is true for amd64, but it looks like it is false on 32-bit. So, ABI > > breakage. >=20 > Yes it is ABI change on 32 bit, but 18.11 is a major release where this i= s > allowed/expected. Thanks for this work Stephen, I've tested it with OVS DPDK and it resolves = the issues as described, if it's to be part of DPDK 19.02 I guess there sho= uld be an ABI breakage notification in 18.11?