From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-x233.google.com (mail-wr0-x233.google.com [IPv6:2a00:1450:400c:c0c::233]) (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 3597E3B2A3 for ; Tue, 25 Apr 2017 18:32:54 -0400 (EDT) Received: by mail-wr0-x233.google.com with SMTP id l9so14057447wre.1 for ; Tue, 25 Apr 2017 15:32:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:from:to:cc:references:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding; bh=UFBbPuVQgL3r7Fd7rmeE2NBz96JMh7IGePhZaaMakXk=; b=hOY0YmjEPWRn/0ijsVgqvTmrVOvylsUebYbCOMUbfhRBKASDqd4VL+oYvfdDa7DW9M b0pl/n2TV+R9TEDr6Z0ga0fn4ApGMDin2cQ13Cgl5tDD24zZZiWcf6mzpr9z0yI2xk8v Y6wSJFjqmAdkEywTnNSa/hm7AkesS7sxcxyM1E5YZzyxQNRjLErdn33zSJC1/5ifM7QA r1oQqyFwpvsObOe92qLmLkuwMZBYnBb5SKIeU0M2Ii5Z7YbOJhJ150kbxE2Ubgo/oXsI dCQe4apXDNhxj7xhNepAQGLYszV4f/Y6GQnd6O1k7aJP+hX7jPzMZSkJBNs6qtNDbpep JpVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:from:to:cc:references:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding; bh=UFBbPuVQgL3r7Fd7rmeE2NBz96JMh7IGePhZaaMakXk=; b=LwbsLU/p4i+YtnkcOXuFnnx9+jMHIk06NQ4GnmQJCu4gkwnWWfNEOCMzaza9Skjp+B uXlqodK9wzqcELphUcfzLQm8KKCB/Q0tpZNSN8ktEu1pHjtBHm7kpkKmrznj3nMg8x5O anpRZQIIC2p1Nzuv9H/FabZzN3ncpg5TF5ImbZE45BrUaB0SLYSiceTmGjgnCgldSVoy 6+cxVTElFRFzgCxObTp9n9KimLTMWYP38nrLuAqGRwYZVLtgYaMrq5OgkPtnF7gEukyq fzx3abOvJIn69rKnT6hXOhvzCdOKSDJPIjo3XzfgpGyj38j9DRfxvTA6hX9TLmMSgFnu uGaw== X-Gm-Message-State: AN3rC/4N5OwFdOcl4sGocyEQJx7r4HcK4S32Xs2dxO1WnUPSpuxSDKIk JuEzO09xtKeZXw== X-Received: by 10.223.151.200 with SMTP id t8mr11191210wrb.148.1493159573319; Tue, 25 Apr 2017 15:32:53 -0700 (PDT) Received: from [192.168.0.3] (185.182.7.51.dyn.plus.net. [51.7.182.185]) by smtp.gmail.com with ESMTPSA id m83sm6192548wmc.7.2017.04.25.15.32.51 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 25 Apr 2017 15:32:51 -0700 (PDT) From: Andy Furniss To: Sebastian Moeller Cc: Dendari Marini , cake@lists.bufferbloat.net References: <0BA3EE91-C5BC-4155-9D5D-D15D34490A1A@gmx.de> <00DDAA0B-7D99-489B-BA2D-1F20289409B3@gmx.de> <2FFBF256-2932-4FC7-AD1F-0D7CEE111809@gmx.de> <3fbfd0ee-7b41-0f83-8b44-ce7eed6a0562@gmail.com> <06A39EE4-4EF5-477B-B737-98195BA5CFAB@gmx.de> <9be60376-7d48-c374-751e-c12a9d73cef9@gmail.com> Message-ID: <472f45cd-35f8-9d06-edae-8baf628b0bf0@gmail.com> Date: Tue, 25 Apr 2017 23:32:51 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:54.0) Gecko/20100101 Firefox/54.0 SeaMonkey/2.51a2 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Cake] Getting Cake to work better with Steam and similar applications 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: Tue, 25 Apr 2017 22:32:54 -0000 Andy Furniss wrote: > Andy Furniss wrote: > >>> My understanding is again that on pppoe devices the kernel adds >>> zero bytes auto matically and attaching the ifb does not seem to >>> change that? >> >> The packet size is ip length as seen by cake on ifb redirected >> from pppoe - but this time it seems the difference is 14 not 22 >> ... > > To be clear below is redirecting ingress qdisc on ppp0 to ifb0. >> max_len 1500 1500 1500 1441 Oops sent to early. Another clarification the 1500s really are ip length I run mini-jumbos so the mtu on ppp0 is 1500.