From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Greear Subject: ixgbe and mac-vlans problem Date: Thu, 29 Apr 2010 15:27:39 -0700 Message-ID: <4BDA07DB.8020206@candelatech.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Patrick McHardy To: NetDev Return-path: Received: from mail.candelatech.com ([208.74.158.172]:43733 "EHLO ns3.lanforge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758851Ab0D3Rdm (ORCPT ); Fri, 30 Apr 2010 13:33:42 -0400 Sender: netdev-owner@vger.kernel.org List-ID: Hello! We are seeing a strange problem with mac-vlans on top of an 82599 NIC (ixgbe) on a 2.6.31.y (plus patches) kernel. Basically, we create 50 mac-vlans, with sequential MAC addresses and sequential IP addresses, and set up ip rules properly. The issue is that only 10 or so of the mac-vlans receive other than broadcast packets. The ixgbe NIC doesn't show PROMISC mode. If we manually turn on PROMISC mode on the physical ixgbe interface, then everything works properly. I'm guessing the ixgbe NIC must have some filters that mac-vlan is trying to enable w/out turning on full PROMISC mode. Is there any easy way to debug these filters to see if they are being properly configured? Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com