From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f54.google.com (mail-pa0-f54.google.com [209.85.220.54]) by dpdk.org (Postfix) with ESMTP id 518398E67 for ; Wed, 11 Nov 2015 18:31:05 +0100 (CET) Received: by pacdm15 with SMTP id dm15so36401100pac.3 for ; Wed, 11 Nov 2015 09:31:04 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber_org.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-type:content-transfer-encoding; bh=+QQxMVeIaLv/W0s5WCr3sEn0zW/gCR67F2VX1ITkDPw=; b=NE2dSMniWIeYw5qjrazwgcXfhTMV8N5nrNDC8pHwUMUbXXBSS8IULnleg40AC9ZjXG DhQAUMFOLsWdFqyxNdibgrvpRv5cidQCW59guQMLkCvPxwICuhaD8aQ0UgkRtg+L07P/ ZMKzW8p1vHfOgvs3suzGAHLjtAb2K5TNHlxP7kjBjZsVISP22QXgdsUisuecWIsGcDfT /rYsX6hYkbIgXuHMmeByZOwi6GedLk8rtt+/qBJiFKTCUdoyMmOTrrminOCqGEzCY0/f bLN998NV7LL+2LkY8UighiSROQ4waQwaSUH0VwjZXQWlKjbriZJiTCzXeEb7WAtI7jOv LChg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-type:content-transfer-encoding; bh=+QQxMVeIaLv/W0s5WCr3sEn0zW/gCR67F2VX1ITkDPw=; b=Gjk6cEuqnZI0wKQqSBm/ey+wS8b4NfHrjVrDUkXQawOV5RTzq1kQ+JOXZtX9LOH/aQ XjfRNpy6XeJgo/l0xUzwFq6DN3O0/Gf1W/OJ8hIWNKQevMDIwGbWfoMpxjXskI6LIiC1 v1punkBPhZGnCeB8rt4P2UGPx9G+TZC9u3Bu4MDa2OIgAkn85ZMTXsyfRT8FsP0EU+5u IXBUWtmLU3feDDdX/P/z7bxQX+HNTDizJhHUJqt9uq224LHriT2gGlQFq3nJJwKxgI4O 1aNA5qkQFaSpIabBhekDM9QStyTSeJ5ac20uxDw3BG096b3xk+UePk3oTCPUvxzdNKOc 4/+Q== X-Gm-Message-State: ALoCoQnHsYYlszPcXwVaqu8MeeEzaJxtn2NdN5bMREdv3zx0pblBvqMEVe6uTj2bJ6vrw4+TmWXj X-Received: by 10.68.65.42 with SMTP id u10mr16131800pbs.8.1447263064391; Wed, 11 Nov 2015 09:31:04 -0800 (PST) Received: from xeon-e3 (static-50-53-82-155.bvtn.or.frontiernet.net. [50.53.82.155]) by smtp.gmail.com with ESMTPSA id ea1sm10367003pbb.76.2015.11.11.09.31.03 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 11 Nov 2015 09:31:04 -0800 (PST) Date: Wed, 11 Nov 2015 09:31:14 -0800 From: Stephen Hemminger To: Yuanhan Liu Message-ID: <20151111093114.46bb40ee@xeon-e3> In-Reply-To: <20151111082657.GZ2326@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> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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: Wed, 11 Nov 2015 17:31:05 -0000 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 agree in general better to keep both together.