From: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "greearb@candelatech.com" <greearb@candelatech.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: Getting physical packet counts with LRO enabled with ixgbe?
Date: Fri, 25 Sep 2009 14:56:30 -0700 [thread overview]
Message-ID: <1253915790.3809.14.camel@localhost.localdomain> (raw)
In-Reply-To: <20090925214505.GA3472@gondor.apana.org.au>
On Fri, 2009-09-25 at 14:45 -0700, Herbert Xu wrote:
> Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.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 :)
ixgbe uses GRO, but we have HW RSC/LRO running on 82599 adapters
underneath GRO.
-PJ
next prev parent reply other threads:[~2009-09-25 21:56 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-23 16:40 Getting physical packet counts with LRO enabled with ixgbe? Ben Greear
2009-09-23 18:32 ` Peter P Waskiewicz Jr
2009-09-23 18:46 ` Ben Greear
2009-09-23 18:50 ` Peter P Waskiewicz Jr
2009-09-23 18:56 ` Ben Greear
2009-09-23 19:03 ` Rick Jones
2009-09-25 21:45 ` Herbert Xu
2009-09-25 21:50 ` Ben Greear
2009-09-25 21:59 ` David Miller
2009-09-25 22:01 ` Herbert Xu
2009-09-25 22:12 ` Ben Greear
2009-09-25 22:40 ` Peter P Waskiewicz Jr
2009-09-25 22:09 ` Herbert Xu
2009-09-25 21:56 ` Peter P Waskiewicz Jr [this message]
2009-09-25 22:10 ` Herbert Xu
2009-09-23 21:37 ` Ben Greear
2009-09-23 21:56 ` Ben Greear
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