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From: Stephen Hemminger <stephen@networkplumber.org>
To: Ryan Mounce <ryan@mounce.com.au>
Cc: "Toke Høiland-Jørgensen" <toke@toke.dk>,
	"Cake List" <cake@lists.bufferbloat.net>
Subject: Re: [Cake] CAKE upstreaming - testers wanted, ACK filtering rescuers needed
Date: Wed, 25 Apr 2018 18:32:00 -0700	[thread overview]
Message-ID: <20180425183200.0877eaa2@xeon-e3> (raw)
In-Reply-To: <CAN+fvRYGMYahycxZAy35CJviJPn9eXqOczOih+LCTUGYBRLVBg@mail.gmail.com>

On Thu, 26 Apr 2018 10:40:29 +0930
Ryan Mounce <ryan@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@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.

  reply	other threads:[~2018-04-26  1:32 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-25 20:45 Toke Høiland-Jørgensen
2018-04-26  1:10 ` Ryan Mounce
2018-04-26  1:32   ` Stephen Hemminger [this message]
2018-04-26  3:23     ` Dave Taht
2018-04-26  6:39   ` Toke Høiland-Jørgensen
2018-04-26  6:54     ` Ryan Mounce
2018-04-26  7:14       ` Toke Høiland-Jørgensen
2018-04-26  7:19 ` Kevin Darbyshire-Bryant
2018-04-26  7:34   ` Toke Høiland-Jørgensen
2018-04-26  8:43     ` Jonas Mårtensson
2018-04-26  8:55       ` Toke Høiland-Jørgensen
2018-04-26 12:02         ` Jonas Mårtensson
     [not found] ` <mailman.301.1524727201.3573.cake@lists.bufferbloat.net>
2018-04-26  7:26   ` Jonathan Morton
2018-04-26  7:43     ` Sebastian Moeller
2018-04-26 14:42       ` Jonathan Morton
2018-04-26 15:25         ` Sebastian Moeller
2018-04-27  0:17       ` David Lang
2018-04-26  8:16     ` Kevin Darbyshire-Bryant

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