From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-x241.google.com (mail-oi0-x241.google.com [IPv6:2607:f8b0:4003:c06::241]) (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 517DD3B260 for ; Wed, 11 May 2016 18:39:54 -0400 (EDT) Received: by mail-oi0-x241.google.com with SMTP id i2so9556390oib.3 for ; Wed, 11 May 2016 15:39:54 -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:content-transfer-encoding; bh=lpEbBDdPSb62I1UO5gL3s0TaRtUK9Fmi2LGswEGyn2I=; b=CJkpwbPSQ3+BbXho/uhL+BCpYSPl4SfaN0L2zGPS3mzgeAYbKZJoHCdp4NyakZRhEC b9xNZeydkyRhnZPRyHvYZaJ4TjypnnpwQpU7pYIMX6zH6J8iE0T8dyIzfkJwwJ8reILB jEgjMLQ+9mZPxGg0sqz//Idj2qcyc7Xw7d0eGkcog9hJIcfeAskUlxjFP6YWwxVmadP5 0GxDt7pb/fN5A4xx59/5YkmlvSNzri6VRmKs1aUkb/kp+zV6CplRb8AK3K4fRs2/AsyV XYlP2XwDZR42brj9umL4FS5Oc+7MKooIlZ15cYL+WJaE/GthjE2rPVpyd/NibHE8UExw RGWA== 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:content-transfer-encoding; bh=lpEbBDdPSb62I1UO5gL3s0TaRtUK9Fmi2LGswEGyn2I=; b=FH0aeX4pOJvf2Nh74smaE90e4Lu2htvH27QzykhW/Djx53xGwgQ03O3ltIm/tELq6h /ye/6mxWZfvRn4pAvapPU8oqDwgfX5qxyDR6jotM2hcIFLZGRTtptK2N/L+GM4Usu3M7 4d1ZY3RV0PmSLpzPmmM2FbQVYM2McumosfvYvo1cNccOu8Xh17qgRSig7dGqhMdFY+pH FAiZZLog86LNfjklNF+QzUxi347uebC0alDyBMqBD3jQdOdB7lX7/91KGYolzn12Xu8M FPMYYqA7C8a4dHQCNiYeIf8tq1BOWdkMS2zq08alB4gclnuqcdSm3DbByLAPJC2m8+/q sODQ== X-Gm-Message-State: AOPr4FUZtJcrpoayUIdsVvbZGfRBMouwVJShUBKbcJe707IuRpr39zE9jay7/QSZrRsWVmGsuX64XGlzZ5eyzw== MIME-Version: 1.0 X-Received: by 10.157.34.14 with SMTP id o14mr3910957ota.63.1463006393760; Wed, 11 May 2016 15:39:53 -0700 (PDT) Received: by 10.202.229.210 with HTTP; Wed, 11 May 2016 15:39:53 -0700 (PDT) In-Reply-To: <5733AF0C.8090200@darbyshire-bryant.me.uk> References: <5733AF0C.8090200@darbyshire-bryant.me.uk> Date: Wed, 11 May 2016 15:39:53 -0700 Message-ID: From: Dave Taht To: Kevin Darbyshire-Bryant Cc: cake@lists.bufferbloat.net Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [Cake] tp-link archer c7 & cake & mac80211 fq_codel 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: Wed, 11 May 2016 22:39:54 -0000 On Wed, May 11, 2016 at 3:15 PM, Kevin Darbyshire-Bryant wrote: > Forgot to mention - in slightly better news, the recent fq_codel > flows_cnt =3D 128 recommendation from Eric has made it up into John I still kind of disagree with the reasoning on cutting the default to 128 queues, btw, but I felt it was worth testing. IMHO in most circumstances having more queues will make you more resilient to simple dumb floods as well as more complex ones, and give better latency overall for all flows... But, lacking data on lower end platforms, and being only willing to argue with y'all - (especially eric), with it... ... is sort of why you find me (successfully) installing lede today on the archer c7 v2. I certainly agree strongly with the bulk drop portion of the patch. I never liked scanning all the queues for every drop... I just couldn't force myself to come up with something as drastic as eric did. I sure wish cake, tc-adv, and the current sqm were up in lede... > Crispin's lede staging tree, so I hope that'll appear in master soon. > > The fq_codel 'batch drop' has sort of made it back to lede 4.4...well > there's 2 patches, one is a backport which also includes the api update > to support "update backlog for hierarchical qdiscs" as well as the batch > drop (not done by me), there's a version which I did which just > backports the batch drop. > > The batch drop alone to 4.1 is beyond me. > > I'm slowly coming around to the opinion that the 'batch drop alone' > patch is what should temporarily go into lede/openwrt until an official > backport is done. I'm not totally convinced about backporting the API > change. > > > On 11/05/16 22:53, Dave Taht wrote: >> looks like it can be easily flashed once again as 49217... >> >> https://wiki.openwrt.org/toh/tp-link/archer-c5-c7-wdr7500 >> >> but Arokh's comprehensive build (which includes sch_cake): >> https://forum.openwrt.org/viewtopic.php?id=3D50914 >> >> is a bit out of date... >> >> so I guess I should try lede for the first time via >> https://downloads.lede-project.org/snapshots/targets/ar71xx/generic/ >> >> and try cross compiling sch_cake for it. >> >> ... and if I feel really, really, really, really ambitious, try >> backporting one of michals lovely patchsets to 4.4. >> >> http://blog.cerowrt.org/post/fq_codel_on_ath10k/ >> >> https://github.com/kazikcz/linux/tree/fqmac-v4+dqlrfc+cpuregrfix >> >> But I don't feel that ambitious. It *will* be good to blow the dust >> off of the tp-link that made me go to Washington... >> >> here goes... >> >> > > > > _______________________________________________ > Cake mailing list > Cake@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/cake > --=20 Dave T=C3=A4ht Let's go make home routers and wifi faster! With better software! http://blog.cerowrt.org