Bug#892105: Cherry-pick "i40e: Be much more verbose about what we can and cannot offload"
On Tue, Jun 22, 2021 at 08:18:53PM +0200, Philipp Hahn wrote:
> Hello,
>
> I request the following patch from v4.10-rc1 to get cherry-picked into
> "stable/linux-4.9.y":
>
> > commit f114dca2533ca770aebebffb5ed56e5e7d1fb3fb
> > Author: Alexander Duyck <alexander.h.duyck@intel.com>
> > Date: Tue Oct 25 16:08:46 2016 -0700
> >
> > i40e: Be much more verbose about what we can and cannot offload
> > This change makes it so that we are much more robust about defining what we
> > can and cannot offload. Previously we were just checking for the L4 tunnel
> > header length, however there are other fields we should be verifying as
> > there are multiple scenarios in which we cannot perform hardware offloads.
> > In addition the device only supports GSO as long as the MSS is 64 or
> > greater. We were not checking this so an MSS less than that was resulting
> > in Tx hangs.
> > Change-ID: I5e2fd5f3075c73601b4b36327b771c64fcb6c31b
> > Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
> > Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
>
> Debian had this old Bug
> <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=892105> reported against
> 4.9.82, which still exists in Debians old-stable 9 "Stretch" current kernel
> 4.9.258, but also with latest stable 4.9.273.
Now queued up, thanks.
greg k-h
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