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 946268E84 for ; Thu, 12 Nov 2015 02:37:49 +0100 (CET) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 11 Nov 2015 17:37:48 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,279,1444719600"; d="scan'208";a="817722279" Received: from yliu-dev.sh.intel.com (HELO yliu-dev) ([10.239.66.49]) by orsmga001.jf.intel.com with ESMTP; 11 Nov 2015 17:37:48 -0800 Date: Thu, 12 Nov 2015 09:41:49 +0800 From: Yuanhan Liu To: Stephen Hemminger Message-ID: <20151112014149.GE2326@yliu-dev.sh.intel.com> References: <1447224046-1169-1-git-send-email-jijiang.liu@intel.com> <1447224046-1169-4-git-send-email-jijiang.liu@intel.com> <20151111082657.GZ2326@yliu-dev.sh.intel.com> <20151111093114.46bb40ee@xeon-e3> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151111093114.46bb40ee@xeon-e3> User-Agent: Mutt/1.5.21 (2010-09-15) Cc: dev@dpdk.org Subject: Re: [dpdk-dev] [PATCH v4 3/8] virtio/lib:add vhost TX checksum support capabilities X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Nov 2015 01:37:50 -0000 On Wed, Nov 11, 2015 at 09:31:14AM -0800, Stephen Hemminger wrote: > On Wed, 11 Nov 2015 16:26:57 +0800 > Yuanhan Liu wrote: > > > On Wed, Nov 11, 2015 at 02:40:41PM +0800, Jijiang Liu wrote: > > > Add vhost TX offload(CSUM and TSO) support capabilities. > > > > Claiming first that we support something, and then actually implementing > > in a later patch is wrong, as at this stage, we actually does not support > > that, hence, the functionality is broken. > > > > --yliu > > Actually in this case it is okay to claim that driver "might" use offload > cabability but never do it. But it will not work once it does use it, right? --yliu > But agree in general better to keep both together.