netdev - Re: ixgbe and mac-vlans problem

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Date:	Thu, 06 May 2010 20:12:02 -0700
From:	Ben Greear <greearb@...delatech.com>
To:	"Tantilov, Emil S" <emil.s.tantilov@...el.com>
CC:	Arnd Bergmann <arnd@...db.de>, NetDev <netdev@...r.kernel.org>,
	Patrick McHardy <kaber@...sh.net>
Subject: Re: ixgbe and mac-vlans problem

On 05/06/2010 05:06 PM, Tantilov, Emil S wrote:
> Ben Greear wrote:
>> On 05/06/2010 10:51 AM, Tantilov, Emil S wrote:
>>
>>> Hi Ben,
>>>
>>> We do have a patch in testing (see attached). It may not apply
>>> cleanly as it is on top of some other patches currently in
>>> validation. Let me know if it works for you.
>>
>> It wasn't difficult to backport this patch to 2.6.31.12....
>>
>> I just tested this on an 85998 NIC and 50 MAC-VLANs worked fine.
>>
>> The NIC doesn't show as PROMISC in any way I can detect, but I guess
>> it must actually be in PROMISC mode:
>
> Yes the interface is in promisc mode. The driver sets the FCTRL.UPE bit
> (unicast promisc mode) when the number of allowed rar_entries is exceeded.

Is there any way to get this setting from ethtool or similar?  It would be nice
to know the actual PROMISC state of the NIC regardless of what user-space has or has not
configured.

Thanks,
Ben

-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com
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