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=-2.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 B5A43C43603 for ; Wed, 18 Dec 2019 12:02:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8B52F2072B for ; Wed, 18 Dec 2019 12:02:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="EijYv16X" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726940AbfLRMCa (ORCPT ); Wed, 18 Dec 2019 07:02:30 -0500 Received: from mail-pl1-f194.google.com ([209.85.214.194]:41976 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726749AbfLRMC3 (ORCPT ); Wed, 18 Dec 2019 07:02:29 -0500 Received: by mail-pl1-f194.google.com with SMTP id bd4so875568plb.8 for ; Wed, 18 Dec 2019 04:02:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=pKDPIj7dKOkneEQstS9kmIONL5L79ApxNsEgnINeAsk=; b=EijYv16XFdhCOErVNrYVWq65cSZ0y6HRanalzCzYLI0BR2EAuzFYb0YOZuWr2syqau at86l8kW+ju66BAZqx5RnoztxpN9tzxCoxa+CeXr/NFgNc6LYmYHJ01mGD8h5oqjdsMk bQoOQRxSTUNzz7AbfkIxYWsFZDXu5wghxV2YGjxS8X6328JJI03LjOBJPzRzt9p/4zDP mRQKHzdbcSQGaMLgemRssExK54cebRUpXSetclAn4rPtePdbWAMcPCGmfCs/Q242g3HX AnBq/rArbb5X2ZLlAjCxVPGwZmIPrr5PX+VCtAuH+QJCsG6dF0oiXUq6JXclQ+5NEj75 48cA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=pKDPIj7dKOkneEQstS9kmIONL5L79ApxNsEgnINeAsk=; b=tVHjO33k+INOQhExoMSfwld81j+h0VotyAPd87hXLoIBoVrNo1OpB6uVuZV+2QxtFG 3LxVgPtycMsvhkKPntHyeS0l6J606fYy1EI3ZetCVa82er1x33phe9A9JlcLUn1lCdDH w51YR4nWQfFf2d0+ioaEmbfeHWqU7Y7aF3Bis3Z9+hU2sftFjP0/uyzEo4QeuusjcvPt JnpFMZTNPcRsGsnPwpQ3tLkAXQ2m6WwEm6/Il5E7zrmZiVGSim86X2M6EJml0bYRM6QT H9Eic3aPmiKagYHdbVL1hX+h4Lz0XsP7R0NURqECpH7N2uhhq1dhsLxz4TS53OJtiDQX 7Khg== X-Gm-Message-State: APjAAAVSLLlcEyDrFJ/28Ra+yfC7xBlG4+TYSKeF+VJgZS7RiQ9Rqi3J qqV/UwmMab7nvRZfoHMtyUfDdhzcyXc= X-Google-Smtp-Source: APXvYqxeQkjihUaEVDmMeeSgd5vOuy+X0HtYqLs7gQ5mA4IIVW/Ln81eSim8FJuQzf7t82j1hj2MaA== X-Received: by 2002:a17:90a:a4c4:: with SMTP id l4mr917677pjw.48.1576670548826; Wed, 18 Dec 2019 04:02:28 -0800 (PST) Received: from dhcp-12-139.nay.redhat.com ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id z14sm3157009pfg.57.2019.12.18.04.02.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Dec 2019 04:02:23 -0800 (PST) Date: Wed, 18 Dec 2019 20:01:48 +0800 From: Hangbin Liu To: netdev@vger.kernel.org Cc: Julian Anastasov , Marcelo Ricardo Leitner , David Ahern , Eric Dumazet , Guillaume Nault , David Miller , Pablo Neira , Stephen Hemminger , Alexey Kodanev Subject: Re: [PATCH net-next 0/8] disable neigh update for tunnels during pmtu update Message-ID: <20191218120147.GA27948@dhcp-12-139.nay.redhat.com> References: <20191203021137.26809-1-liuhangbin@gmail.com> <20191218115313.19352-1-liuhangbin@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191218115313.19352-1-liuhangbin@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Wed, Dec 18, 2019 at 07:53:05PM +0800, Hangbin Liu wrote: > When we setup a pair of gretap, ping each other and create neighbour cache. > Then delete and recreate one side. We will never be able to ping6 to the new > created gretap. > Oh... Sorry I forgot to add PATCHv3 in the subject...