From owner-svn-src-all@freebsd.org Thu May 19 23:03:43 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 CD2CFB42B5C; Thu, 19 May 2016 23:03:43 +0000 (UTC) (envelope-from yaneurabeya@gmail.com) Received: from mail-qg0-x22e.google.com (mail-qg0-x22e.google.com [IPv6:2607:f8b0:400d:c04::22e]) (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 8AD6010D1; Thu, 19 May 2016 23:03:43 +0000 (UTC) (envelope-from yaneurabeya@gmail.com) Received: by mail-qg0-x22e.google.com with SMTP id w36so52071670qge.3; Thu, 19 May 2016 16:03:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc; bh=5igZfqZYdYMTbFOXTQF3Keg5D+ORZ3zleL28Y52YJ3g=; b=EQM2jn45oZVhIlCgbWmUMOplORIPaHdG+XADT/T2n7K+lmpdWk3P1PRs8v6tByHN8G 9cid4accCv18Ceuv030JZmSNna46Xu8vkrmfwW3mDW+1zjTGED7e27FXR0Xz8LWHSCyM CDmj91J30AKDcpbDWdllJ5Uu/X5aNsG9aMN4fteJuf57f2xWM9O65KNtMDfsXoxTy+ji NhGrYtjRK43YWW68S9L8W/GSxwKw52RhUDBYztXW1zA0byoYOrNUPCe53EfZG2hFTFy9 JJ/oM5M7WeOolkBGb+Fd+VFILKHb/0Z0GmdPxqq3ki+Us1uXJMqGkvKw0Lq3G71nsRfu P/3g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc; bh=5igZfqZYdYMTbFOXTQF3Keg5D+ORZ3zleL28Y52YJ3g=; b=mVK3q1JuqAGfL/ugALs0UUYjKKlS9ws2dPHhj9mnyivT8TZfgQGpEJjQMk8aSlQSms iAVxAZJ3DkWW0m5oYTp9Nvk7xze1wxe3UZxst910AFE0RUiY35f2UzsrjIpc32smAf9j CHN4ijixKrLEnaP7o8cgZnv4m75MFEgckYWvfMymar8W5JIedrdd3eNMC2N4faSFznYr FDr0naWqVhlCxYk+AJ8bD565AhmIEtZkgG050qiIB3G4OYH/wWbRqYzR6Dw38c76j8rP S6Jg6A8L2sHo96OasMPm1y5dtLrUUo6+2qFTCAfUV79+Wo4PytvvCyEP5peSBKyy9rJe k3hQ== X-Gm-Message-State: AOPr4FVWyFnViLh7YwuzNYeX+YFetQ3nxkyIXs4ylnxcbtNlztTfbXFk3fZyi21zuIsJr+aP9w7mEOoJ9SxQ0A== MIME-Version: 1.0 X-Received: by 10.140.109.132 with SMTP id l4mr17019453qgf.9.1463699022826; Thu, 19 May 2016 16:03:42 -0700 (PDT) Received: by 10.55.170.201 with HTTP; Thu, 19 May 2016 16:03:42 -0700 (PDT) In-Reply-To: <201605192220.u4JMKZBN030863@repo.freebsd.org> References: <201605192220.u4JMKZBN030863@repo.freebsd.org> Date: Thu, 19 May 2016 16:03:42 -0700 Message-ID: Subject: Re: svn commit: r300240 - head/sys/netinet From: Ngie Cooper To: Don Lewis 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: Thu, 19 May 2016 23:03:43 -0000 On Thu, May 19, 2016 at 3:20 PM, Don Lewis wrote: > Author: truckman > Date: Thu May 19 22:20:35 2016 > New Revision: 300240 > URL: https://svnweb.freebsd.org/changeset/base/300240 > > Log: > Change net.inet.tcp.ecn.enable sysctl mib from a binary off/on > control to a three way setting. > 0 - Totally disable ECN. (no change) > 1 - Enable ECN if incoming connections request it. Outgoing > connections will request ECN. (no change from present != 0 setting) > 2 - Enable ECN if incoming connections request it. Outgoing > conections will not request ECN. > > Change the default value of net.inet.tcp.ecn.enable from 0 to 2. > > Linux version 2.4.20 and newer, Solaris, and Mac OS X 10.5 and newer have > similar capabilities. The actual values above match Linux, and the default > matches the current Linux default. > > Reviewed by: eadler > MFC after: 1 month > MFH: yes > Sponsored by: https://reviews.freebsd.org/D6386 RelNotes: yes Also, does it make sense to merge this to head if it fundamentally changes behavior from what it was previously on the stable branch(es)? Thanks, -Ngie