From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-x22a.google.com (mail-io0-x22a.google.com [IPv6:2607:f8b0:4001:c06::22a]) (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 4F7B43B2A4 for ; Thu, 26 Apr 2018 08:02:16 -0400 (EDT) Received: by mail-io0-x22a.google.com with SMTP id z4-v6so7019824iof.5 for ; Thu, 26 Apr 2018 05:02:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=hLmQpJIp6/l6hSaJio9a9PoovLAhAM+7KeoQ0dbVZVw=; b=jkItFUEbgvZMMi936TSwCFGDWsXAN2yPdoGBL7FkAG0pe3Ouk7DerM2NggrKw9R0eh bszr9UL455FPq8UBpXaa3vkQKGtAEpgAHWjTXik67Sg4Oo7cofGbEu9eTiIodzW0Foqz r7DjLQ9oUmjxlOvFvGzqdVqE9CbIssA4HjgdKG+E9PHhUZ3YLWgdZmuoPHnhYt/F18ft g+1dQTBPLMoaMlei/nYXzcsBbzrBB11y6aijFw1LB1l/fc08qgFzn4qrxmee7tE9a6hr KdqF2x9cDLk5GZ1TeCh/LVvGs41f+cqUTjSko/pZ+QMewghMj6WQ4rpBMolKQinWcnOp JWaw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=hLmQpJIp6/l6hSaJio9a9PoovLAhAM+7KeoQ0dbVZVw=; b=EbEZflk9hkDJtluk8rQayJdS5rWhZwLsuT04TbBXZcwuxWj/qRy+8KrvpS+ypRL9b5 xNCqy+TvZ8KXrggIpmmLq7jr752bqqu/oUR7yGcURkBYPUoYwT8kTHKEiZxMH2fxjpNG 5b//bUEJ/xCwLe86YSbbRw5cp3NxeLL0w9PJB4m2LNs5BLK7TuqX9XigRgStn+Vd5US6 ojNzLvrZPuzVYff8HNCRNpwLofQU29b9pWE0SnTbUQCp6ek5EbREl6TMwjgslZkNzvNk OyNS7DsiiuAQE7J6p0jPL4JWM1OQoiZvfqBwqsQVNc+t7IuQPKdxi+2a1yFSLO5Y3urv rJ0A== X-Gm-Message-State: ALQs6tDIjbf2HQnLqFArFHrAuJ2XagIM457+yhgukSrBbd1cCH36vw6b EdHsXwZL1LIIAqjfOQ8ZYQ1UZe8KNqcyqwPsi4A= X-Google-Smtp-Source: AB8JxZrJmieqqU0Pf3adMi1rR+pzzDWIvUjffZsQyDDsLCtr/sUCoKq/dSl/4b7YB2TdznC1l/Nbsf3Iz2ubpEz6rJw= X-Received: by 2002:a6b:bb02:: with SMTP id l2-v6mr2922193iof.31.1524744134476; Thu, 26 Apr 2018 05:02:14 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a02:52c8:0:0:0:0:0 with HTTP; Thu, 26 Apr 2018 05:02:13 -0700 (PDT) In-Reply-To: <87bme64a9m.fsf@toke.dk> References: <87vacf3th7.fsf@toke.dk> <87h8ny4e18.fsf@toke.dk> <87bme64a9m.fsf@toke.dk> From: =?UTF-8?Q?Jonas_M=C3=A5rtensson?= Date: Thu, 26 Apr 2018 14:02:13 +0200 Message-ID: To: =?UTF-8?B?VG9rZSBIw7hpbGFuZC1Kw7hyZ2Vuc2Vu?= Cc: Kevin Darbyshire-Bryant , "cake@lists.bufferbloat.net" Content-Type: multipart/alternative; boundary="0000000000008246c5056abf28a7" Subject: Re: [Cake] CAKE upstreaming - testers wanted, ACK filtering rescuers needed 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: Thu, 26 Apr 2018 12:02:16 -0000 --0000000000008246c5056abf28a7 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable I thought the discussion was only about GSO/TSO. Also, isn't GRO/LRO incompatible with routing? Anyway, I was just supporting your interpretation of what Eric potentially means. /Jonas On Thu, Apr 26, 2018 at 10:55 AM, Toke H=C3=B8iland-J=C3=B8rgensen wrote: > Jonas M=C3=A5rtensson writes: > > > "I *think* that what Eric means is that the GSO logic should > automatically > > size the GSO superpackets so the latency cost is negligible for the > actual > > link rate." > > > > Something like this? > > > > https://lwn.net/Articles/564979/ > > > > https://lwn.net/Articles/564978/ > > Yeah, that's for TCP on the local host. I'm not sure how things work for > GRO on a router (which is more relevant for the CAKE use case). > > -Toke > --0000000000008246c5056abf28a7 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I thought the discussion was only about GSO/TSO. Also, isn= 't GRO/LRO incompatible with routing? Anyway, I was just supporting you= r interpretation of what Eric potentially means.

/Jonas<= /div>

On Thu= , Apr 26, 2018 at 10:55 AM, Toke H=C3=B8iland-J=C3=B8rgensen <toke@toke.dk&= gt; wrote:
Jonas = M=C3=A5rtensson <martensso= n.jonas@gmail.com> writes:

> "I *think* that what Eric means is that the GSO logic should auto= matically
> size the GSO superpackets so the latency cost is negligible for the ac= tual
> link rate."
>
> Something like this?
>
> https://lwn.net/Articles/564979/
>
> https://lwn.net/Articles/564978/

Yeah, that's for TCP on the local host. I'm not sure how thi= ngs work for
GRO on a router (which is more relevant for the CAKE use case).

-Toke

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