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Date: Fri, 10 Oct 2008 18:59:36 +0100
From: Ben Hutchings <bhutchings@...arflare.com>
To: "Brandeburg, Jesse" <jesse.brandeburg@...el.com>
Cc: Patrick McHardy <kaber@...sh.net>,
Linux Netdev List <netdev@...r.kernel.org>,
"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
"Allan, Bruce W" <bruce.w.allan@...el.com>,
"Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@...el.com>,
"Ronciak, John" <john.ronciak@...el.com>,
e1000-devel@...ts.sourceforge.net
Subject: RE: [PATCH RFC]: e1000: allow VLAN devices to use TSO and CSUM
offload
On Fri, 2008-10-10 at 10:48 -0700, Brandeburg, Jesse wrote:
> Patrick McHardy wrote:
> > Patrick McHardy wrote:
> >> This patch changes e1000 to set vlan_features so TSO and CSUM
> >> offload can be used by VLAN devices, similar as with the other Intel
> >> drivers.
> >>
> >> Only RFC because I don't know whether there is buggy hardware
> >> that doesn't support this properly, but feel free to apply in
> >> case there isn't.
> >
> > I never received a response to this. Any comments?
>
> Sorry to delay the reply, the only one that stands out to me as a
> possible problem with the devices that e1000 still supports is the
> NETIF_F_TSO6.
vlan_features is a mask for features. So long as all parts that do
support TSO-IPv6 also support it for VLAN-tagged packets, it should be
safe to set NETIF_F_TSO6 in vlan_features unconditionally.
Ben.
--
Ben Hutchings, Senior Software Engineer, Solarflare Communications
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.
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