netdev - Re: [PATCH net] ipv6: stop sending PTB packets for MTU

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Message-ID: <CAOp4FwRdRai8tL5koFvHKr0P=dR6MgT5ZLtMg85drt6LTzYNrQ@mail.gmail.com>
Date:	Tue, 20 Jan 2015 04:02:07 +0000
From:	Loganaden Velvindron <loganaden@...il.com>
To:	Hagen Paul Pfeifer <hagen@...u.net>
Cc:	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>, stable@...r.kernel.org,
	Fernando Gont <fgont@...networks.com>
Subject: Re: [PATCH net] ipv6: stop sending PTB packets for MTU < 1280

On Mon, Jan 19, 2015 at 10:05 PM, Hagen Paul Pfeifer <hagen@...u.net> wrote:
> On 19 January 2015 at 21:05, Hannes Frederic Sowa
> <hannes@...essinduktion.org> wrote:
>
>> Oh yes, although we never exposed an ip route knob for that, it is still
>> possible users did set manually, so we cannot get rid of that, agreed.
>
> I thought about that, sure but come to the conclusion that the code
> cleanup outweigh an potential user somewhere in space (well, the use
> case is broken and should be fixed). Additionally, I left the
> RTAX_FEATURE_ALLFRAG (as mentioned) and removed all related
> functionality - no visible API change (except no-op behavior).
>
> Davem, I will sent the patch anyway. Feel free to accept/ignore.
>
> Hagen
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Hi.

Last time I was inquiring about depracated atomic fragments, people
were concerned that there wasn't enough practical data to decide
whether to go forward or not.

Would a sysctl with it turned on by default be a good option, until we
are 100% sure ?

Kind regards,
//Logan
C-x-C-c


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