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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20090925220906.GA3818@gondor.apana.org.au>
Date:	Fri, 25 Sep 2009 15:09:06 -0700
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Ben Greear <greearb@...delatech.com>
Cc:	peter.p.waskiewicz.jr@...el.com, netdev@...r.kernel.org
Subject: Re: Getting physical packet counts with LRO enabled with ixgbe?

Ben Greear <greearb@...delatech.com> wrote:
>
>> 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.

Sorry we are each talking about different things.  The performance
difference you observed is software GRO vs. hardware LRO.  What I
was talking about above is switching the Intel hardware to do GRO
instead of LRO.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
--
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