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=-4.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS autolearn=ham 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 4C6FAC282CE for ; Wed, 5 Jun 2019 01:16:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 214D22070B for ; Wed, 5 Jun 2019 01:16:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="gch9lAQF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726530AbfFEBQG (ORCPT ); Tue, 4 Jun 2019 21:16:06 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:44927 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726293AbfFEBQF (ORCPT ); Tue, 4 Jun 2019 21:16:05 -0400 Received: by mail-pg1-f194.google.com with SMTP id n2so11396738pgp.11 for ; Tue, 04 Jun 2019 18:16:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=6aS870ho6HU7oGlsp2AtBDHWxTclr6Ov1hUtke4Yr48=; b=gch9lAQFymHGg+jNSVr8AEKK63u1ZY12P3HQxMWWnjdZVupLNbV23DEEPlyugWMYaS BTxxnMjs8G7vSsvbwVPE/9GAedkwGS8r9oVFVoldHwl79RAxUPrpass9c20CVHLuNgdB xDyQy0dasmDb4nVRIUtK5XSexHjXJL/TVrExkOqunVdmsFjA9SKY9UbnX79p+wFreZNa auQqeY+uRiSBbiwketd8drQ1YkwjnatxtlizKfO6sn7kmG/jTOfX62fGCM1m5lPkMXUy cjzYYEQPT5az324dA40JelpYv2DZDGKBcSA9e142wZMuPa0f5aF7CKlp2Uj9qQ06nVp7 Cwsw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=6aS870ho6HU7oGlsp2AtBDHWxTclr6Ov1hUtke4Yr48=; b=cv42EukGQcVAjvBbxnt4HVvNfah3rh8M5QvHzpViPYyaWSbbaeplsRG/jBRtKTqe0+ oMD+MCWhJE6T1NrvDLLsVl05zXXXaeDS/qP8K3LKGWaek2GIDkYm6rezWXMKmWRSP2mQ abFR19S8hypnCqWSRlWKxXRK1B5mVviViEuDrk1WlX2uesKGe7zjNMiJe+1o4t0zWFfF 6ZnytBXczgtJXvk2OSMhiZk7lzfkeGx7s0/4Tp7ou4gv3Y+kI7A3P7su9nFcevQtJnI+ U6j0l38XyackPLDBuRLtHVjKwECS/SGSxNpPfdOfJsbMFhRmanzxgGD/WqUFA1UATi9M EmHg== X-Gm-Message-State: APjAAAXpsavrkHfJbDIZ8K1oDKVjHEIAOArqyO4aykIL39gVv1Oqm41A o9RIIDzy+BwBnhQ35nuQFeI= X-Google-Smtp-Source: APXvYqyON+WPtiPBX3bkW9AImNiw9qI/TlWsuml6yQto40D+C2Qcx0+zD6NMzK7RIhyg1IDeCE3IMg== X-Received: by 2002:a63:d949:: with SMTP id e9mr709981pgj.437.1559697364905; Tue, 04 Jun 2019 18:16:04 -0700 (PDT) Received: from [192.168.86.235] (c-73-241-150-70.hsd1.ca.comcast.net. [73.241.150.70]) by smtp.gmail.com with ESMTPSA id i4sm131262pjd.31.2019.06.04.18.16.01 (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Tue, 04 Jun 2019 18:16:02 -0700 (PDT) Subject: Re: [PATCH net] ipv6: tcp: enable flowlabel reflection in some RST packets To: Eric Dumazet , "David S . Miller" Cc: netdev , Eric Dumazet References: <20190604192942.118949-1-edumazet@google.com> From: Eric Dumazet Message-ID: <5ce53efb-1a9c-86a8-2b78-e79d670db9bd@gmail.com> Date: Tue, 4 Jun 2019 18:16:00 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190604192942.118949-1-edumazet@google.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 6/4/19 12:29 PM, Eric Dumazet wrote: > This extends commit 22b6722bfa59 ("ipv6: Add sysctl for per > namespace flow label reflection"), for some TCP RST packets. > > When RST packets are sent because no socket could be found, > it makes sense to use flowlabel_reflect sysctl to decide > if a reflection of the flowlabel is requested. > > Signed-off-by: Eric Dumazet Please wait for a V2, I will use another bit from the sysctl to limit the risk of regressions.