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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D8D79C433EF for ; Thu, 26 May 2022 03:47:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244076AbiEZDrb (ORCPT ); Wed, 25 May 2022 23:47:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53722 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233544AbiEZDr3 (ORCPT ); Wed, 25 May 2022 23:47:29 -0400 Received: from out30-43.freemail.mail.aliyun.com (out30-43.freemail.mail.aliyun.com [115.124.30.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 25AC6257; Wed, 25 May 2022 20:47:26 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R141e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04395;MF=alibuda@linux.alibaba.com;NM=1;PH=DS;RN=8;SR=0;TI=SMTPD_---0VEQTeja_1653536838; Received: from 30.225.28.183(mailfrom:alibuda@linux.alibaba.com fp:SMTPD_---0VEQTeja_1653536838) by smtp.aliyun-inc.com(127.0.0.1); Thu, 26 May 2022 11:47:24 +0800 Message-ID: <8a518b27-3048-cb0b-d2e3-a68d0ef05171@linux.alibaba.com> Date: Thu, 26 May 2022 11:47:18 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.8.1 Subject: Re: [RFC net-next] net/smc:introduce 1RTT to SMC To: Alexandra Winter , Tony Lu Cc: kgraul@linux.ibm.com, kuba@kernel.org, davem@davemloft.net, netdev@vger.kernel.org, linux-s390@vger.kernel.org, linux-rdma@vger.kernel.org References: <1653375127-130233-1-git-send-email-alibuda@linux.alibaba.com> <64439f1c-9817-befd-c11b-fa64d22620a9@linux.ibm.com> From: "D. Wythe" In-Reply-To: <64439f1c-9817-befd-c11b-fa64d22620a9@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 在 2022/5/25 下午9:42, Alexandra Winter 写道: > Thank you D. Wythe for your proposals, the prototype and measurements. > They sound quite promising to us. > > We need to carefully evaluate them and make sure everything is compatible > with the existing implementations of SMC-D and SMC-R v1 and v2. In the > typical s390 environment ROCE LAG is propably not good enough, as the card > is still a single point of failure. So your ideas need to be compatible > with link redundancy. We also need to consider that the extension of the > protocol does not block other desirable extensions. > > Your prototype is very helpful for the understanding. Before submitting any > code patches to net-next, we should agree on the details of the protocol > extension. Maybe you could formulate your proposal in plain text, so we can > discuss it here? I am very pleased to hear that your team have interest in this proposals, and thanks a lot for your advise. We really appreciate your point of view about compatibility, In fact, we are working on some written drafts which compatibility is quite a important part, and will be shared here soon. > > We also need to inform you that several public holidays are upcoming in the > next weeks and several of our team will be out for summer vacation, so please > allow for longer response times. Thanks for your informing, that's totaly okay to us. May your holidays be full of warmth and cheer. > Kind regards > Alexandra Winter > D. Wyther Thanks.