linux-kernel - RE: e1000e, 3.4.1, , jumbo frames are not working

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Message-ID: <804857E1F29AAC47BF68C404FC60A1842846965C@ORSMSX102.amr.corp.intel.com>
Date:	Wed, 20 Jun 2012 16:45:19 +0000
From:	"Allan, Bruce W" <bruce.w.allan@...el.com>
To:	madovsky <infos@...ovsky.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: e1000e, 3.4.1, , jumbo frames are not working

> -----Original Message-----
> From: linux-kernel-owner@...r.kernel.org [mailto:linux-kernel-
> owner@...r.kernel.org] On Behalf Of madovsky
> Sent: Wednesday, June 20, 2012 7:49 AM
> To: linux-kernel@...r.kernel.org
> Subject: RE: e1000e, 3.4.1, , jumbo frames are not working
> 
> it's the same on kernel 3.4.3.
> I can't activate jumbo frames
> my mobo is S5000PAL

This is already known and discussed on previous threads.  If you look at
the system log file you will see a message from the driver which states
"Jumbo frames cannot be enabled  when both receive checksum offload and
receive hashing are enabled.  Disable one of the receive offload features
before enabling jumbos."  A patch that removes this incompatibility is
currently in test here at Intel and should be passed upstream soon.

Thanks,
Bruce.

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