From: Hannes Frederic Sowa <hannes@stressinduktion.org>
To: Tom Herbert <tom@herbertland.com>,
Linux Kernel Network Developers <netdev@vger.kernel.org>
Subject: Re: Has RFC4821 been implemented?
Date: Fri, 22 Jan 2016 22:19:41 +0100 [thread overview]
Message-ID: <56A29CED.4090601@stressinduktion.org> (raw)
In-Reply-To: <CALx6S361VWtUTASeEkkG3Cm3DaeQRCUfAe8fP3T+BjZqw8GGGQ@mail.gmail.com>
Hi,
On 22.01.2016 20:50, Tom Herbert wrote:
> Found it: tcp_mtu_probing
Exactly.
> On Fri, Jan 22, 2016 at 11:39 AM, Tom Herbert <tom@herbertland.com> wrote:
>> This came up on in one of the IETF mailing lists in the context that
>> PMTUD doesn't really work on the Internet so PLPMTUD is the way to
>> go. Looking at the code I only see inet_csk_update_pmtu called from
>> ICMP PTB error. I am missing something?
If I recall correctly we don't store the MSS in the inetpeer tcp metrics
cache neither do we update the MTU on the specific path (update the
dst_entry). So it is a one connection only thing so far.
Bye,
Hannes
prev parent reply other threads:[~2016-01-22 21:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-22 19:39 Has RFC4821 been implemented? Tom Herbert
2016-01-22 19:50 ` Tom Herbert
2016-01-22 21:19 ` Hannes Frederic Sowa [this message]
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