netdev - Re: [net-next-2.6 PATCH 2/3] ixgbe: Streamline MC filter setup for VFs

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Message-Id: <20100506.003215.57459704.davem@davemloft.net>
Date:	Thu, 06 May 2010 00:32:15 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com, gregory.v.rose@...el.com
Subject: Re: [net-next-2.6 PATCH 2/3] ixgbe: Streamline MC filter setup for
 VFs

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Wed, 05 May 2010 22:57:30 -0700

> From: Greg Rose <gregory.v.rose@...el.com>
> 
> The driver was calling the set Rx mode function for every multicast
> filter set by the VF.  When starting many VMs where each might have
> multiple VLAN interfaces this would result in the function being
> called hundreds or even thousands of times.  This is unnecessary
> for the case of the imperfect filters used in the MTA and has been
> streamlined to be more efficient.
> 
> Signed-off-by: Greg Rose <gregory.v.rose@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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