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=-11.6 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_IN_DEF_DKIM_WL 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 A25C0C433E0 for ; Thu, 25 Jun 2020 15:33:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6DA502082F for ; Thu, 25 Jun 2020 15:33:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="UhtxP6JY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405807AbgFYPdD (ORCPT ); Thu, 25 Jun 2020 11:33:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405760AbgFYPdC (ORCPT ); Thu, 25 Jun 2020 11:33:02 -0400 Received: from mail-yb1-xb41.google.com (mail-yb1-xb41.google.com [IPv6:2607:f8b0:4864:20::b41]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E6B96C08C5C1 for ; Thu, 25 Jun 2020 08:33:02 -0700 (PDT) Received: by mail-yb1-xb41.google.com with SMTP id s1so2946627ybo.7 for ; Thu, 25 Jun 2020 08:33:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=xfBKdIxHu1mVd19IWX7E9GLo7uSjvA8mNODU6AkLXyA=; b=UhtxP6JY2UeGp5/ghxY5pcTc5386Dktrb2/ov2YzRFx2rj+Jz3GhJ193iYR1pfjkfd /9r72xoYiXFKGUhSqHm/tqVIClI/pDvzQ4o2Oa/s8GiP142QRd8fQtGERroZaQ/whGdh oM/w1sQpVcmr2hcvsz8G2rs0X+Er8sLMkJC0335F0uEOM2uLjSfvqv1SdRwqECir5tJe jvgi+WoiT9J+C6NYp8n5UxDhi+p/AMIf4IeuFJd50ZmrRq/kwZalCq9Yc0na0neEdiEq 2Q8idXqk7SGuJMIsJmYwEtIX1gXIqRvra8JMGAxzNehGBScHdF8iG6GRJICEUxjWDiJC vcRg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=xfBKdIxHu1mVd19IWX7E9GLo7uSjvA8mNODU6AkLXyA=; b=EzvgVmK2c8l3u10koS0gOU2eXOkubIZ/vONIpfFk6IK9elP7LiKhEEL+3oVGy70nVG Q+022DgKU+phglu5SBl/wl7W1EczOeqUz2Q40DV5iC9uaQJ6y0RJE1rDBrixsozQ8L8c hGsY2TP7+nbUR/XDVLstK/QKZFcVdHNESPnl30HfSaWgJ6+917D/lT+pwsxVUhhfxt8f E6lDQLXPzYbMDWfOiIj+ejE3RUzVKUCmMEKhIF1dGaGWHvhyj3o1Nh13YkXw2V79KbCj WH4cGcdo5rJ+zNnAK3068hZMt342aAOmFJNBB8QBlzIZzjWwcp0l2jS3skeX2XO7UOP7 1uZA== X-Gm-Message-State: AOAM532zst6UNZ4sMqPtV/PyxWgU9iXOZ5jQMJ68cm8msXcAyFx3ap3D uF6G+83GelIYk4+CdF9cfiRLGwHzxi6evz8xrT8d/g== X-Google-Smtp-Source: ABdhPJxC6FLxmKODS+YAWb+JFsgftvms5vjIA9GhERDlEt//xCPyPwfcaw4zJj51TjjhzLDQUGR8HMHV83nzgoWIiPI= X-Received: by 2002:a25:7003:: with SMTP id l3mr52323744ybc.380.1593099181963; Thu, 25 Jun 2020 08:33:01 -0700 (PDT) MIME-Version: 1.0 References: <20200625115106.23370-1-denis.kirjanov@suse.com> In-Reply-To: From: Eric Dumazet Date: Thu, 25 Jun 2020 08:32:50 -0700 Message-ID: Subject: Re: [PATCH v3] tcp: don't ignore ECN CWR on pure ACK To: Neal Cardwell Cc: Denis Kirjanov , Netdev , Yuchung Cheng , "Scheffenegger, Richard" , Bob Briscoe Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Jun 25, 2020 at 5:51 AM Neal Cardwell wrote: > > On Thu, Jun 25, 2020 at 7:51 AM Denis Kirjanov wrote: > > > > there is a problem with the CWR flag set in an incoming ACK segment > > and it leads to the situation when the ECE flag is latched forever > > > > Signed-off-by: Denis Kirjanov > Thanks, Denis! > > Acked-by: Neal Cardwell > > neal Signed-off-by: Eric Dumazet Thanks