netdev - RE: [PATCH NEXT 0/2] qlcnic: Add Qlogic 1/10Gb Ethernet driver for CNA devices

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Date:	Tue, 05 Jan 2010 23:43:37 +0000
From:	Ben Hutchings <bhutchings@...arflare.com>
To:	Dhananjay Phadke <dhananjay.phadke@...gic.com>
Cc:	Stephen Hemminger <shemminger@...tta.com>,
	Amit Salecha <amit.salecha@...gic.com>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH NEXT 0/2] qlcnic: Add Qlogic 1/10Gb Ethernet driver for
 CNA devices

On Tue, 2010-01-05 at 10:40 -0800, Dhananjay Phadke wrote:
> > It looks like this driver is tracking IP addresses? Is it doing
> > some offload? will it work with IPV6?
> 
> Driver listens for "local" IP addresses that helps
> firmware to detect local TCP flows for LRO. We don't
> want firmware to accumulate non-local (forwarded)
> packets. This is inherited from netxen_nic.
> 
> Currently only IPv4 addresses are supported, IPv6 will
> be enabled as soon as firmware advertises support.

LRO will automatically be disabled on interfaces that have forwarding or
bridging enabled.  You should not need to check for this yourself.

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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