From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wm0-x242.google.com (mail-wm0-x242.google.com [IPv6:2a00:1450:400c:c09::242]) (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 8559B3B2A3 for ; Tue, 25 Apr 2017 18:29:50 -0400 (EDT) Received: by mail-wm0-x242.google.com with SMTP id z129so28800846wmb.1 for ; Tue, 25 Apr 2017 15:29:50 -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=R/cQoUNJujozVX4YHSItj6mreruJM6Is4aWK9/VumM0=; b=Rge0+RNWXC4PLEyiwd/sbwNdX/X908m4ALWI6qo3NI6zMTYv6e7XZaJETjbaIUtcn4 G5qMFA04WJ5bNQMyoirnABQlm3k+JVJF9FCwMUloiBo2wNootihFzR3PMV3odrZrOq3E geW9tBstCcEs0r4A3iXO+Wu9QuCE29qGu5oDsNmguX5WbcgP0AIvl3vCJc0ixIhUxrhK J+JW9EubBs07rCZOg9l2EfEm9e8pa5rLqO2GQi+fuJI1yJC5eOTIzsv7aaFx3DFT40bQ VvkMlEuYHuVaRDyWRAGaOVL15fWtzzDpjnk2uHbm6Mill0jqjyRJKU9k5+6sPr5lUkdH G6Ug== 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=R/cQoUNJujozVX4YHSItj6mreruJM6Is4aWK9/VumM0=; b=JfwWW5iX34XGhWnnBDmCX0HsEBmZbWhY9RzrgDmPgFx9sX9LL4UPOvwt+jUOSYmRrH NPA2/Pn0AbX4lsEH1r32lN1OegvdQwG3S0CiMvqEYKVp62KCpsgmInFL7/Sewb8JREI6 2Y9w+CaiD/XUMKggoTw4vHKlFCilmczUHo/Tf8z/9BLXCjUWdiEfrOjuV7p1IM0J5BC6 yXn+jqebMB0eMrT31/1WmWXdRpXwf34Dw3smUf9/1IlMksR7XJW+vY824gx/J3Enc1UE m3aO3v9DK4G9fT3jCEsrJ9Y0110/pbBVfmF2CgO/CNjCqVdwaCGjShCUA45BAbezJm00 yx2A== X-Gm-Message-State: AN3rC/7YxMnQSoD+X9xh16CfBdnnLn2hxMN4EEWG6u0eiDEIC/tkb2ah 7UOOe+GT5L8aZA== X-Received: by 10.28.210.16 with SMTP id j16mr3388411wmg.16.1493159389100; Tue, 25 Apr 2017 15:29:49 -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 j124sm5895186wmg.13.2017.04.25.15.29.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 25 Apr 2017 15:29:48 -0700 (PDT) From: Andy Furniss To: Sebastian Moeller Cc: Dendari Marini , cake@lists.bufferbloat.net References: <22E633CF-5EE0-4B0F-89A8-B790E730FB6C@gmx.de> <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: Date: Tue, 25 Apr 2017 23:29:47 +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: <9be60376-7d48-c374-751e-c12a9d73cef9@gmail.com> 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 22:29:50 -0000 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. > > tc qdisc add dev ifb0 handle 1:0 root cake bandwidth 60mbit raw overhead > 34 diffserv4 nat dual-dsthost > > asr[/home/andy]# tc -s qdisc ls dev ifb0 > qdisc cake 1: root refcnt 2 bandwidth 60Mbit diffserv4 dual-dsthost nat > rtt 100.0ms noatm overhead 48 via-ethernet > Sent 14315263754 bytes 12978554 pkt (dropped 51315, overlimits > 18015371 requeues 0) > backlog 0b 0p requeues 0 > memory used: 1006656b of 4Mb > capacity estimate: 60Mbit > Bulk Best Effort Video Voice > thresh 3750Kbit 60Mbit 30Mbit 15Mbit > target 5.0ms 5.0ms 5.0ms 5.0ms > interval 100.0ms 100.0ms 100.0ms 100.0ms > pk_delay 243us 1.2ms 42us 82us > av_delay 18us 821us 7us 8us > sp_delay 2us 3us 4us 3us > pkts 1942903 10462709 272777 351480 > bytes 130598812 14085111253 8318580 168132633 > way_inds 220 46306 0 0 > way_miss 68580 114792 188 84890 > way_cols 0 0 0 0 > drops 0 51308 0 7 > marks 0 0 0 0 > sp_flows 0 0 1 0 > bk_flows 0 0 0 0 > un_flows 0 0 0 0 > max_len 1500 1500 1500 1441