From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [net-next-2.6 PATCH 2/3] ixgbe: Streamline MC filter setup for VFs Date: Thu, 06 May 2010 00:32:15 -0700 (PDT) Message-ID: <20100506.003215.57459704.davem@davemloft.net> References: <20100506055703.8482.16515.stgit@localhost.localdomain> <20100506055728.8482.77386.stgit@localhost.localdomain> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, gospo@redhat.com, gregory.v.rose@intel.com To: jeffrey.t.kirsher@intel.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:57726 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753818Ab0EFHcI (ORCPT ); Thu, 6 May 2010 03:32:08 -0400 In-Reply-To: <20100506055728.8482.77386.stgit@localhost.localdomain> Sender: netdev-owner@vger.kernel.org List-ID: From: Jeff Kirsher Date: Wed, 05 May 2010 22:57:30 -0700 > From: Greg Rose > > 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 > Signed-off-by: Jeff Kirsher Applied.