From: Paolo Abeni <pabeni@redhat.com>
To: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Cc: linux-rdma@vger.kernel.org, Doug Ledford <dledford@redhat.com>,
Sean Hefty <sean.hefty@intel.com>,
Hal Rosenstock <hal.rosenstock@gmail.com>,
netdev@vger.kernel.org
Subject: Re: [PATCH] IB/ipoib: move back the IB LL address into the hard header
Date: Tue, 11 Oct 2016 19:37:32 +0200 [thread overview]
Message-ID: <1476207452.448.2.camel@redhat.com> (raw)
In-Reply-To: <20161011173216.GA16892@obsidianresearch.com>
On Tue, 2016-10-11 at 11:32 -0600, Jason Gunthorpe wrote:
> On Tue, Oct 11, 2016 at 07:15:44PM +0200, Paolo Abeni wrote:
>
> > Also the connected mode maximum mtu is reduced by 16 bytes to
> > cope with the increased hard header len.
>
> Changing the MTU is going to cause annoying interop problems, can you
> avoid this?
I don't like changing the maximum MTU value, too, but I was unable to
find an alternative solution. The PMTU detection should protect against
such issues.
next prev parent reply other threads:[~2016-10-11 17:37 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-11 17:15 [PATCH] IB/ipoib: move back the IB LL address into the hard header Paolo Abeni
[not found] ` <1dbd83dfe7f435eecc5bc460e901b47758280f30.1476206016.git.pabeni-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-10-11 17:32 ` Jason Gunthorpe
2016-10-11 17:37 ` Paolo Abeni [this message]
[not found] ` <1476207452.448.2.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-10-11 17:42 ` Jason Gunthorpe
[not found] ` <20161011174224.GA17319-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-10-11 17:52 ` Paolo Abeni
2016-10-11 17:41 ` Doug Ledford
2016-10-11 18:01 ` Jason Gunthorpe
2016-10-11 18:10 ` Paolo Abeni
[not found] ` <1476209407.448.9.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-10-11 18:17 ` Doug Ledford
[not found] ` <073e0007-a43b-134d-ba7e-b290304be585-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-10-11 18:30 ` Jason Gunthorpe
[not found] ` <20161011183019.GC20253-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-10-11 18:50 ` Doug Ledford
2016-10-12 18:21 ` Doug Ledford
2016-10-11 18:27 ` Jason Gunthorpe
2016-10-13 14:24 ` David Miller
[not found] ` <20161013.102432.1450901395774429343.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2016-10-13 14:35 ` Doug Ledford
2016-10-13 14:43 ` [PATCH] IB/ipoib: move back the IB LL address into the hard header,Re: " David Miller
[not found] ` <20161013.104314.1842951254979604965.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2016-10-13 15:20 ` Doug Ledford
2016-10-13 15:57 ` [PATCH] IB/ipoib: move back the IB LL address into the hard header,Re: [PATCH] IB/ipoib: move back the IB LL address into the hard header,Re: " David Miller
2016-10-13 15:17 ` Paolo Abeni
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