netdev - Re: [PATCH net-next v6] Add Common Applications Kept Enhanced (cake) qdisc

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Date:   Tue, 01 May 2018 23:54:01 +0200
From:   Toke Høiland-Jørgensen <toke@...e.dk>
To:     Eric Dumazet <eric.dumazet@...il.com>,
        Eric Dumazet <eric.dumazet@...il.com>,
        Dave Taht <dave.taht@...il.com>,
        Cong Wang <xiyou.wangcong@...il.com>
Cc:     Linux Kernel Network Developers <netdev@...r.kernel.org>,
        Cake List <cake@...ts.bufferbloat.net>
Subject: Re: [PATCH net-next v6] Add Common Applications Kept Enhanced (cake) qdisc

Eric Dumazet <eric.dumazet@...il.com> writes:

> On 05/01/2018 12:31 PM, Toke Høiland-Jørgensen wrote:
>
>> Could you comment on specifically what you believe is broken in this,
>> please, so I can fix it in the same iteration?
>> 
>
> Apart from the various pskb_may_pull() this helper should not change skb layout.
>
> Ideally, the skb should be const and you would use
> skb_header_pointer() to make clear you do not ever write this skb.
>
> This would make the reviewer job pretty easy, as no side effect can
> possibly happen.

Gotcha. Will fix; thanks :)

-Toke