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 X-Spam-Level: X-Spam-Status: No, score=-5.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 864E0C433DB for ; Wed, 23 Dec 2020 17:02:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 41C86223E0 for ; Wed, 23 Dec 2020 17:02:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727468AbgLWRCQ (ORCPT ); Wed, 23 Dec 2020 12:02:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58314 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726384AbgLWRCP (ORCPT ); Wed, 23 Dec 2020 12:02:15 -0500 Received: from mail-pf1-x429.google.com (mail-pf1-x429.google.com [IPv6:2607:f8b0:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 30AD8C061794; Wed, 23 Dec 2020 09:01:35 -0800 (PST) Received: by mail-pf1-x429.google.com with SMTP id c12so10679912pfo.10; Wed, 23 Dec 2020 09:01:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=7z156e/uKkv/pjjwPftIVvO966IjR1f5aiNFEZCH6Gw=; b=HY/yRb15PFKPXR0Iat2RACxzNCOVAMTaTi9CrstMyv/ItxD4KWO1sMmz+C8l0KWTIk rgEMxpRYvPXSBgWKMoZ4GdWafzxIN8J7Kgn7cqqCqDo7r/1lq9uNesBZRNRTp8Aqezne CpW7q2YMmRLoeUPLzZBryTx1h0OlLdI/wPz084BUykVMIy78KFmzbGZePNmY8jws1C2n mu+n7cVsYJgLqMtHATXCz94dhNoE+26pFabzfykwUDuNDYG/Qe6avhOirxQXMko02V1F 6bgxBokSKG8uf7XsDQPsZ9LI8xDiBv3uzm6liiZy7fLZHbMND/ubMp6MTp4SMfCX+WTy CzbQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=7z156e/uKkv/pjjwPftIVvO966IjR1f5aiNFEZCH6Gw=; b=nPZ2kTvj3/JaLpai8QQSdT3qYkqWqz1lUzZxa+lJtG5UDUXB25yfeclZIkB007lJzp RBf4cM+cEOMpVf5z/vPqmszFpJDqW4Nt3fXNVUpJgZ1Nc4n8P2mDtKEvMVNNWHz9KnEV +pZGqKdYwi5pemD93XspbkPd48Lb1zahzJNWulHu9fY03LRVFnhgWZct3G+NcwtWwbEf Yiia5VoOQAWHi/DItR5/wOj+MF1YT0fHPtU0/Dr4QMdAq4knCQvbogNu2yc0yIQ0GWL0 77rHkpKBZ2zmaLZzAi2e+UPlBPIANi7YHKJEuakQ9JW1qMHlsljTh3/a8FntDCJkNYPy w/Ew== X-Gm-Message-State: AOAM532JPV+O/36WBZWCkdF0fvrxfGVirU8MlTomseqUzrxTq5TAP3kG NATn8vbEuH5a3uAiS2Jp1DEkGn/qTKA= X-Google-Smtp-Source: ABdhPJyHwj0dwxGvjw/XH0Fj5rL0D6+CoIBHGo7R58lSyueswryIpY3BQGgAMjri5Wj4kEb2SaleaA== X-Received: by 2002:a63:e5e:: with SMTP id 30mr956059pgo.181.1608742894791; Wed, 23 Dec 2020 09:01:34 -0800 (PST) Received: from shane-XPS-13-9380.hsd1.ca.comcast.net ([2601:646:8800:1c00:46ec:f978:4298:de79]) by smtp.gmail.com with ESMTPSA id er23sm238645pjb.12.2020.12.23.09.01.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Dec 2020 09:01:33 -0800 (PST) From: Xie He To: Sasha Levin Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Martin Schiller , Jakub Kicinski , linux-x25@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH AUTOSEL 5.4 075/130] net/lapb: fix t1 timer handling for LAPB_STATE_0 Date: Wed, 23 Dec 2020 09:01:24 -0800 Message-Id: <20201223170124.5963-1-xie.he.0141@gmail.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20201223021813.2791612-75-sashal@kernel.org> References: <20201223021813.2791612-75-sashal@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > From: Martin Schiller > > [ Upstream commit 62480b992ba3fb1d7260b11293aed9d6557831c7 ] > > 1. DTE interface changes immediately to LAPB_STATE_1 and start sending > SABM(E). > > 2. DCE interface sends N2-times DM and changes to LAPB_STATE_1 > afterwards if there is no response in the meantime. I don't think this patch is suitable for stable branches. This patch is part of a patch series that changes the lapb module from "establishing the L2 connection only when needed by L3", to "establishing the L2 connection automatically whenever we are able to". This is a behavioral change. It should be seen as a new feature. It is not a bug fix.