From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-x235.google.com (mail-wi0-x235.google.com [IPv6:2a00:1450:400c:c05::235]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id AF44E21F3E0 for ; Thu, 14 May 2015 06:35:04 -0700 (PDT) Received: by wizk4 with SMTP id k4so241432118wiz.1 for ; Thu, 14 May 2015 06:35:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=T1gqpqnOjtW8TYQ2XFrkcNJ5ziFIFm6gvMOaTQq1d2w=; b=Pq1SbnELS08J/2ZHvcJQQlZUYbLh6fE/ZFbdik12+wfoMI74bzg7pO3fPdpTrNPqj1 xjndd8Bqnu9BbmxLnEtSrPcjgoxP5ByvjSHsJkzBdoylprCZ1gjKH5whM60BHEJVC5bp RwHFNrPTgqWrLYF6LoA9646/zoGyR8tYz2WQefB8YyJPBwfjXzVcIwEQvRcgqVIqrzEd 2Har5tMU22Zi6R1PzmlVKYpt4dcZDSE5XXp0BxSFCOxbVrgLVR6qAqUMCR2OqKVNRVLZ 8cFdkZWAO8QctxdIGk2WRHJUB9UfkgyqBd9ZmgQfv3z3CGE8vZ3CbaQq9L269FyEIt0t 6pVA== X-Received: by 10.194.172.130 with SMTP id bc2mr8376736wjc.85.1431610501925; Thu, 14 May 2015 06:35:01 -0700 (PDT) Received: from volcano.localdomain (host-92-11-217-126.as43234.net. [92.11.217.126]) by mx.google.com with ESMTPSA id m2sm4243452wiy.7.2015.05.14.06.35.00 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 14 May 2015 06:35:01 -0700 (PDT) Message-ID: <5554A484.1090201@gmail.com> Date: Thu, 14 May 2015 14:35:00 +0100 From: Alan Jenkins User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 MIME-Version: 1.0 To: Jonathan Morton References: <554F64E1.6000609@gmail.com> <554F9594.60808@gmail.com> <50DB1E31-61AE-4298-B80F-8C6F7487C99B@gmail.com> <002A5BFC-5511-4995-8785-370251F24083@gmx.de> <555479DE.90806@gmail.com> <51BC816B-2177-4EB2-921B-AA91345ADF2A@gmail.com> <55547DDC.7000303@gmail.com> <55549EA0.1050007@gmail.com> In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit Cc: cerowrt-devel Subject: Re: [Cerowrt-devel] [Cake] openwrt build with latest cake and other qdiscs X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 14 May 2015 13:35:33 -0000 On 14/05/15 14:14, Jonathan Morton wrote: > >>> This implies that adding GRO peeling to cake might be a worthwhile priority. >>> >>> - Jonathan Morton >> Ah, not on my account, it seems. >> >> # tc -stat qdisc |grep maxpacket >> maxpacket 590 drop_overlimit 0 new_flow_count 1 ecn_mark 0 >> maxpacket 256 drop_overlimit 0 new_flow_count 0 ecn_mark 0 >> ... >> maxpacket 1696 drop_overlimit 0 new_flow_count 305 ecn_mark 0 >> maxpacket 1749 drop_overlimit 0 new_flow_count 274 ecn_mark 0 > A maxpacket of 1749 *does* imply that GRO or GSO is in use. Otherwise I’d expect to see 1514 or less. > > - Jonathan Morton Look at the exact difference between the two maxpackets :p (without getting into why it's there). It must be including all the ATM estimation. For GSO we should be seeing 2x or more... not a multiplier of 53/48. Alan