From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf1-x12e.google.com (mail-lf1-x12e.google.com [IPv6:2a00:1450:4864:20::12e]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 5DF663CB35 for ; Fri, 3 May 2019 10:16:37 -0400 (EDT) Received: by mail-lf1-x12e.google.com with SMTP id j20so4550989lfh.2 for ; Fri, 03 May 2019 07:16:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=oaR16DyScxfMqb3f1y6CxQw9Eyrl6ZHhqQ4JNisbRDI=; b=fEQq6u6yhO6AIpbN7pmrdkK8l0AAy2jaBZSnEXhovfWjDB+s/vidPeAH2vvCBZw08t udvv606LL2PmuJBlwMldWyZi08caiDyzJSzzYCdRf9zKH9FM3RLKiDOZ3GrxmxOP22K9 T/pHmp9X2VlEVZvGWleSbSLIC482u2tZmAn+F05z+vuAuawdPCyM/RQfLJpPB9O7YXWM HXP5PTrBKhZ5NNCjm6lFQLhyqKGRYOW/R6lrCGnhcAXh4GhPYcbKI+jYmntcMqrl/Udu gf4JNVVy+E53zxCUB+9mh4FwrBmzw2VOTFVXFsZx4EvK3FZVhvkdROS93KwOUbW21xqy 2fsQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to; bh=oaR16DyScxfMqb3f1y6CxQw9Eyrl6ZHhqQ4JNisbRDI=; b=XghCaX5aHS2FPAtILkaI1Ic3B27m5Dhvv7JlaQR1jBOZI5hRxMk5/UhR/dW8sgWrUh 0C6DiWymYGYTFzGMFUzafOhNgD/Do1FrXvNAo+O6h4KuQva8pRio7GxcjixkpHDSGFzS BwlnbK3fgPzB+wPeox7yKSSphtOQ0l0KZlugEhScejmldxnWPqsPDMCu2DQBwaGt+jdo qNQiE4wh72p/60Ka55yiJg9UmQ3cYqB1RnYW2ZrXfWlWOf8Wm1LJLsfjCFVz8bMvEXD5 TRhpGTXF4vHUv95IoaDXKaVgbod7pGiqqR6WmjD7yHAMq8OJT32cSyE+xCYLrvi3bXZY 6i/g== X-Gm-Message-State: APjAAAUEwf1TCGLrwnGYlXj/s0lc0lItbPXcXKmhpfNFjRbAWEUUd9AM 4aox5tjnPnjsK+h/VBsrukgQwF3+ X-Google-Smtp-Source: APXvYqxCb9X3T/6ELnCLcsm+ic0p4I5Xi3kptzbFwLz115jooHDdYKwQ1UfFmV8WcAxu571J708IVQ== X-Received: by 2002:a19:ee11:: with SMTP id g17mr1544089lfb.5.1556892996250; Fri, 03 May 2019 07:16:36 -0700 (PDT) Received: from jonathartonsmbp.lan (85-76-21-226-nat.elisa-mobile.fi. [85.76.21.226]) by smtp.gmail.com with ESMTPSA id s26sm353694lfp.31.2019.05.03.07.16.34 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 03 May 2019 07:16:35 -0700 (PDT) Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 11.5 \(3445.9.1\)) From: Jonathan Morton In-Reply-To: <493B2B95-93C5-4CEB-906E-CFF0BF3187E9@darbyshire-bryant.me.uk> Date: Fri, 3 May 2019 17:16:33 +0300 Cc: Cake List Content-Transfer-Encoding: quoted-printable Message-Id: <069B5A62-314A-4559-8D6C-C67A5D1FE75F@gmail.com> References: <493B2B95-93C5-4CEB-906E-CFF0BF3187E9@darbyshire-bryant.me.uk> To: Kevin Darbyshire-Bryant X-Mailer: Apple Mail (2.3445.9.1) Subject: Re: [Cake] Possible conntrack lookup improvements X-BeenThere: cake@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Cake - FQ_codel the next generation List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 03 May 2019 14:16:37 -0000 > On 3 May, 2019, at 4:55 pm, Kevin Darbyshire-Bryant = wrote: >=20 > Two patches attached - one is a simple variable elimination with no = functional change. The second changes/simplifies the conntrack tuple = lookup & usage. I=E2=80=99ve had a play and I don=E2=80=99t think = I=E2=80=99ve broken any of the host fairness BUT it could do with some = more testing, that=E2=80=99s where you come in=E2=80=A6=20 Looks like sound logic, as long as it does actually work. It could be a = useful speedup for those small CPE devices which need NAT and = host-fairness working. - Jonathan Morton=