[Cake] CAKE upstreaming - testers wanted, ACK filtering rescuers needed

[Dave Taht]

On Wed, Apr 25, 2018 at 6:32 PM, Stephen Hemminger
<stephen at networkplumber.org> wrote:
> On Thu, 26 Apr 2018 10:40:29 +0930
> Ryan Mounce <ryan at mounce.com.au> wrote:
>
>> I'll investigate making the ACK filtering code safe, it is my mess after all :)
>>
>> Eric obviously understands this stuff a lot better than me, it looks
>> like there are two issues?
>> - Lack of minimum length check for TCP header, should be fairly
>> straight-forward to fix
>> - The possibility of unsafely filtering part of a split GSO super-packet?
>>
>> Regards,
>> Ryan Mounce
>>
>> ryan at mounce.com.au
>> 0415 799 929
>
>
> It makes more sense to move it out of Cake altogether. Cake is already one
> of those projects that seems to have Golden Hammer disease.
>   https://en.wikipedia.org/wiki/Law_of_the_instrument
>
> Why not in netfilter or XDP? Then it could be used in other contexts like
> tunnels or selectively based on route etc.

'cause it needs a queue and state. netfilter doesn't have a queue.

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-- 

Dave Täht
CEO, TekLibre, LLC
http://www.teklibre.com
Tel: 1-669-226-2619