netdev - Re: [PATCH net-next v3] Add Common Applications Kept Enhanced (cake) qdisc

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Message-ID: <ec338591-4c9d-aab6-a8a1-75c898ff52fb@gmail.com>
Date:   Wed, 25 Apr 2018 08:48:30 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Toke Høiland-Jørgensen <toke@...e.dk>,
        Eric Dumazet <eric.dumazet@...il.com>, netdev@...r.kernel.org
Cc:     cake@...ts.bufferbloat.net, Dave Taht <dave.taht@...il.com>
Subject: Re: [PATCH net-next v3] Add Common Applications Kept Enhanced (cake)
 qdisc



On 04/25/2018 08:22 AM, Toke Høiland-Jørgensen wrote:

> Hmm, because pure ACKs are not generally aggregated (sorry, I'm not
> quite clear on when exactly GSO will kick in)?


A GSO packet must contain payload in each of its segment.

There is no way some ack aggregation logic could build a GSO packet out of pure acks.