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 84EB4C4332F for ; Wed, 9 Feb 2022 09:56:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235646AbiBIJ4O (ORCPT ); Wed, 9 Feb 2022 04:56:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47960 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234234AbiBIJ4O (ORCPT ); Wed, 9 Feb 2022 04:56:14 -0500 Received: from out30-130.freemail.mail.aliyun.com (out30-130.freemail.mail.aliyun.com [115.124.30.130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED66EE03CD98; Wed, 9 Feb 2022 01:56:08 -0800 (PST) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R211e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04400;MF=tonylu@linux.alibaba.com;NM=1;PH=DS;RN=7;SR=0;TI=SMTPD_---0V4-Z2K7_1644400457; Received: from localhost(mailfrom:tonylu@linux.alibaba.com fp:SMTPD_---0V4-Z2K7_1644400457) by smtp.aliyun-inc.com(127.0.0.1); Wed, 09 Feb 2022 17:54:17 +0800 Date: Wed, 9 Feb 2022 17:54:14 +0800 From: Tony Lu To: "D. Wythe" 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 Subject: Re: [PATCH net-next v5 5/5] net/smc: Add global configure for auto fallback by netlink Message-ID: Reply-To: Tony Lu References: <20fc8ef9-6cbc-ac1d-97ad-ab47a2874afd@linux.alibaba.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20fc8ef9-6cbc-ac1d-97ad-ab47a2874afd@linux.alibaba.com> Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org On Wed, Feb 09, 2022 at 05:41:50PM +0800, D. Wythe wrote: > I don't think this is necessary, since we already have socket options. Is > there any scenario that the socket options and global switch can not cover? > When transparently replacing the whole container's TCP connections, we cannot touch the user's application, and have to replace their connections to SMC. It is common for container environment, different containers will run different applications. Most of TCP knob is per net-namespace, it could be better for us to do it from the beginning. Thanks, Tony Lu