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Message-ID: <4BDB1CF3.8030906@candelatech.com> Date: Fri, 30 Apr 2010 11:09:55 -0700 From: Ben Greear <greearb@...delatech.com> To: Arnd Bergmann <arnd@...db.de> CC: NetDev <netdev@...r.kernel.org>, Patrick McHardy <kaber@...sh.net> Subject: Re: ixgbe and mac-vlans problem On 04/30/2010 11:00 AM, Arnd Bergmann wrote: > On Friday 30 April 2010 00:27:39 Ben Greear wrote: >> 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. > > I just took a brief look at the driver and noticed that 82599 should > be able to handle 128 entries before going into promisc mode, while > 82598 (the same driver) does 16. > > Maybe the logic for>16 entries is wrong, so you could try forcing > hw->mac.num_rar_entries to 16 for 82599 as well. I think I was actually on an 825998 system when I saw it yesterday, but I have seen similar issues on 82599, though I didn't take time to debug it fully, so it could have been something else. I will double-check the NIC chipset on the system that showed the problem yesterday. Thanks, Ben -- Ben Greear <greearb@...delatech.com> Candela Technologies Inc http://www.candelatech.com -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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