netdev - Re: [net-2.6 PATCH] ixgbe: Fix coexistence of FCoE and Flow Director in 82599

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Message-Id: <20090709.171720.66965956.davem@davemloft.net>
Date:	Thu, 09 Jul 2009 17:17:20 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com, yi.zou@...el.com
Subject: Re: [net-2.6 PATCH] ixgbe: Fix coexistence of FCoE and Flow
 Director in 82599

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Thu, 09 Jul 2009 05:29:50 -0700

> From: Yi Zou <yi.zou@...el.com>
> 
> Fix coexistence of Fiber Channel over Ethernet (FCoE) and Flow Director (FDIR)
> in 82599 and remove the disabling of FDIR when FCoE is enabled.
> 
> Currently, FDIR is turned off when FCoE is enabled under the assumption that
> FCoE is always enabled with DCB being turned on. However, FDIR does not have
> to be turned off all the time when FCoE is enabled since FCoE can be enabled
> without DCB being turned on, e.g., use link pause only. This patch makes sure
> that when DCB is turned on or off, FDIR is turned on or off correspondingly;
> and when FCoE is enabled, it does not disable FDIR, rather, it will have FDIR
> set up properly so FCoE and FDIR can coexist regardless of DCB being on or off.
> 
> Signed-off-by: Yi Zou <yi.zou@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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