netdev - Re: ixgbe: cannot enable LRO

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Message-ID: <CAKgT0UceTxomp+Zf5ks_B0bFomdx2jyhWLwSXh4716voJ5YFAg@mail.gmail.com>
Date:	Wed, 27 Apr 2016 08:37:14 -0700
From:	Alexander Duyck <alexander.duyck@...il.com>
To:	Otto Sabart <osabart@...hat.com>
Cc:	Netdev <netdev@...r.kernel.org>, Jirka Hladky <jhladky@...hat.com>,
	Adam Okuliar <aokuliar@...hat.com>
Subject: Re: ixgbe: cannot enable LRO

On Wed, Apr 27, 2016 at 2:36 AM, Otto Sabart <osabart@...hat.com> wrote:
>
> Hello everyone,
> does anybody have a problem with LRO on ixge (on latest 4.6-rc5)?
> I cannot find a way to enable it.
>
> On stable RHEL7.2 kernel everything works fine.
>
> I opened a bug report [0].
>
> [0] https://bugzilla.kernel.org/show_bug.cgi?id=117291
>
>
> Thanks!
>
> Ota

So I am able to turn on LRO without any issues.

Do you know if you have done anything that might disable LRO such as
modified the rx-usecs to a value less than 10 or enabled routing or
bridging on the device?  Also I think a stacked device might be able
to block you from enabling LRO unless all the devices stacked on the
interface can support it.

- Alex