From owner-svn-src-all@freebsd.org Fri Aug 26 01:24:07 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DB190BC5A85; Fri, 26 Aug 2016 01:24:07 +0000 (UTC) (envelope-from sepherosa@gmail.com) Received: from mail-ua0-x22a.google.com (mail-ua0-x22a.google.com [IPv6:2607:f8b0:400c:c08::22a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 95C2D16A8; Fri, 26 Aug 2016 01:24:07 +0000 (UTC) (envelope-from sepherosa@gmail.com) Received: by mail-ua0-x22a.google.com with SMTP id n59so113953994uan.2; Thu, 25 Aug 2016 18:24:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=HKRT2SCQ98OSEAkRfsLovYXLXmDjHVAbg64/pbGxLPY=; b=Tuzl4YNDcq8n0rf2DqcpEVG130Quoh71I6oSlsZRZb0k271eRJyJLhwKm/DBlePJy1 wkneEbNM4v8TQP9PO6y6ET9x4SkA74Hz12T4S3osxLOPdUMzH4RxQgcA3sSUZWYnIE3M pMXEjBNbyTFQ5hGfpqPEkyfHwDkYJlmAnuwD4lmGML7pGlg8Asvm7Vdc8Rkz32oDwK4R uu/V0qLDvVW03rkyWoJnLzkBo1o7ZbSa4SkRTApjwnPNz1rcGFglgLXFaSxqxf342oTM p+U6m5sIGIAqympGMcd/SMzdPqLfkjqeCawCQ7+lpN4B05IgG+UqhdDmZcgGdrYSpGRA 0zsQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=HKRT2SCQ98OSEAkRfsLovYXLXmDjHVAbg64/pbGxLPY=; b=BOmZV0u9dbAZm1XDUnKR8t0INvq6XW+q4P6o2DTbbea/PaBGZk0OW9OprLEn4hjs6U eVEjM0qc8kggKKM+g/aOBEiAQk4SlwmuGxRfM8JqT+d5dlxKg79fXWMgdKi+DNk9DZIz qEv+amflDaitX7zOiVwhTOjMwFQRd1ZKFoNtR0L8fip/9RNji2ZFrPDbbA1929uq8q3G oJh31WXLW5KEgjDToIN6vkQv0gvoid7G/c9mxfzd7mE/7vMVCL669chr1k7E1OMCrN6t p44ZrI5DabQA4OAX9qhsJNfVrKRQ8MS3pJZiH1mbQrBydDYWxexzbQO0cO6XvyOR27k8 Sv4g== X-Gm-Message-State: AE9vXwO7I7mbl6LLG8CK8Fnyyty38a86lSekAspAU/k+VYCuNR0KSrnbcCsOsNK5YL3ft6Rq++KdWPlv3xApdw== X-Received: by 10.31.244.77 with SMTP id s74mr272623vkh.126.1472174646700; Thu, 25 Aug 2016 18:24:06 -0700 (PDT) MIME-Version: 1.0 Sender: sepherosa@gmail.com Received: by 10.176.1.54 with HTTP; Thu, 25 Aug 2016 18:24:06 -0700 (PDT) In-Reply-To: <20160825175237.GC41576@strugglingcoder.info> References: <201608050908.u75980fB078890@repo.freebsd.org> <20160825175237.GC41576@strugglingcoder.info> From: Sepherosa Ziehau Date: Fri, 26 Aug 2016 09:24:06 +0800 X-Google-Sender-Auth: -z4vli8ODuWPNMCJ2sXUJot-DxI Message-ID: Subject: Re: svn commit: r303766 - head/sys/netinet To: hiren panchasara Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Content-Type: text/plain; charset=UTF-8 X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Aug 2016 01:24:08 -0000 On Fri, Aug 26, 2016 at 1:52 AM, hiren panchasara wrote: > On 08/05/16 at 09:08P, Sepherosa Ziehau wrote: >> Author: sephe >> Date: Fri Aug 5 09:08:00 2016 >> New Revision: 303766 >> URL: https://svnweb.freebsd.org/changeset/base/303766 >> >> Log: >> tcp/lro: If timestamps mismatch or it's a FIN, force flush. >> >> This keeps the segments/ACK/FIN delivery order. >> >> Before this patch, it was observed: if A sent FIN immediately after >> an ACK, B would deliver FIN first to the TCP stack, then the ACK. >> This out-of-order delivery causes one unnecessary ACK sent from B. >> >> Reviewed by: gallatin, hps >> Obtained from: rrs, gallatin >> Sponsored by: Netflix (rrs, gallatin), Microsoft (sephe) >> Differential Revision: https://reviews.freebsd.org/D7415 > > Hi Sephe, > > This looks like a good fix for stable/11. Can you please MFC it? Yeah, sure. Thanks, sephe -- Tomorrow Will Never Die