From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from ws5-mx01.kavi.com (ws5-mx01.kavi.com [34.193.7.191]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5B4F8C76196 for ; Mon, 10 Apr 2023 13:26:24 +0000 (UTC) Received: from lists.oasis-open.org (oasis.ws5.connectedcommunity.org [10.110.1.242]) by ws5-mx01.kavi.com (Postfix) with ESMTP id B319E60259 for ; Mon, 10 Apr 2023 13:26:23 +0000 (UTC) Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id A64E89865EE for ; Mon, 10 Apr 2023 13:26:23 +0000 (UTC) Received: from host09.ws5.connectedcommunity.org (host09.ws5.connectedcommunity.org [10.110.1.97]) by lists.oasis-open.org (Postfix) with QMQP id 9E3DB9864B3; Mon, 10 Apr 2023 13:26:23 +0000 (UTC) Mailing-List: contact virtio-comment-help@lists.oasis-open.org; run by ezmlm List-ID: Sender: Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id 8B71A986319; Mon, 10 Apr 2023 13:26:18 +0000 (UTC) X-Virus-Scanned: amavisd-new at kavi.com X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R131e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045192;MF=hengqi@linux.alibaba.com;NM=1;PH=DS;RN=8;SR=0;TI=SMTPD_---0VfoRJ-i_1681133173; Message-ID: <6f5171a3-e941-7718-633d-21b768e8a4da@linux.alibaba.com> Date: Mon, 10 Apr 2023 21:26:12 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 To: "Michael S. Tsirkin" Cc: virtio-comment@lists.oasis-open.org, virtio-dev@lists.oasis-open.org, Parav Pandit , Jason Wang , Yuri Benditovich , Cornelia Huck , Xuan Zhuo References: <20230228061309-mutt-send-email-mst@kernel.org> <25231225-59c8-91b0-e0dd-3dab8aa8164b@linux.alibaba.com> <20230308093311-mutt-send-email-mst@kernel.org> <20230309142612-mutt-send-email-mst@kernel.org> <021eeb40-aab1-07b9-cfe7-9dd61a32e0b3@linux.alibaba.com> <20230315074633-mutt-send-email-mst@kernel.org> <4b14043c-6059-1d26-060e-7dc653c4f401@linux.alibaba.com> <20230320154556-mutt-send-email-mst@kernel.org> <39f3ebf4-1141-8044-4ffc-e32e62edbb2c@linux.alibaba.com> <20230408062119-mutt-send-email-mst@kernel.org> From: Heng Qi In-Reply-To: <20230408062119-mutt-send-email-mst@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Subject: [virtio-comment] Re: [virtio-dev] Re: [virtio-comment] Re: [virtio-dev] Re: [virtio-comment] Re: [virtio-dev] Re: [PATCH v9] virtio-net: support inner header hash 在 2023/4/8 下午6:29, Michael S. Tsirkin 写道: > On Thu, Mar 30, 2023 at 08:37:21PM +0800, Heng Qi wrote: >> >> 在 2023/3/21 上午3:48, Michael S. Tsirkin 写道: >>> On Wed, Mar 15, 2023 at 08:55:45PM +0800, Heng Qi wrote: >>>> We use the most basic GRE header fields (not NVGRE), not even optional >>>> fields. >>> I'd say yes, the most convincing usecase is with legacy GRE. >> Yes. But we still have a strong need for VXLAN and GENEVE to do symmetric >> hashing. Please consider this. > Using a specific key seems fragile though in that a different one is > needed for e.g. ipv4 and ipv6. An issue with VXLAN and GENEVE, yes? Yes. > Will support for XOR hashing address this sufficiently or is that not > acceptable to you? Or alternatively a modified Toeplitz, e.g. this This is a very good opinion, I will want to follow up on this work and I have expressed in other threads. Thanks. > https://inbox.dpdk.org/dev/20190731123040.GG4512@6wind.com/ > suggests Mellanox supports that. WDYT? > This publicly archived list offers a means to provide input to the OASIS Virtual I/O Device (VIRTIO) TC. In order to verify user consent to the Feedback License terms and to minimize spam in the list archive, subscription is required before posting. Subscribe: virtio-comment-subscribe@lists.oasis-open.org Unsubscribe: virtio-comment-unsubscribe@lists.oasis-open.org List help: virtio-comment-help@lists.oasis-open.org List archive: https://lists.oasis-open.org/archives/virtio-comment/ Feedback License: https://www.oasis-open.org/who/ipr/feedback_license.pdf List Guidelines: https://www.oasis-open.org/policies-guidelines/mailing-lists Committee: https://www.oasis-open.org/committees/virtio/ Join OASIS: https://www.oasis-open.org/join/