netdev - Re: Getting physical packet counts with LRO enabled with ixgbe?

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Date:	Fri, 25 Sep 2009 14:50:44 -0700
From:	Ben Greear <greearb@...delatech.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
CC:	Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>,
	netdev@...r.kernel.org
Subject: Re: Getting physical packet counts with LRO enabled with ixgbe?

On 09/25/2009 02:45 PM, Herbert Xu wrote:
> Peter P Waskiewicz Jr<peter.p.waskiewicz.jr@...el.com>  wrote:
>>
>>> That's a bummer.  I'm guessing you might get close to right on average with some
>>> trivial math, but if someone is sending you pkts with size of 1000 and
>>> your MTU is 1500, would there be any way to tell that the pkts were originally
>>> 1000 bytes instead of 1500?
>>
>> Good point.
>
> Well if you did GRO instead of LRO then none of this would matter :)

I get aggregate 18Gbps with LRO v/s 12Gbps without, so it's very much a useful feature
for me.

Thanks,
Ben

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

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