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Message-ID: <49704015.6020503@chelsio.com> Date: Fri, 16 Jan 2009 00:06:45 -0800 From: Divy Le Ray <divy@...lsio.com> To: Herbert Xu <herbert@...dor.apana.org.au> CC: davem@...emloft.net, netdev@...r.kernel.org, Steve Wise <swise@...ngridcomputing.com> Subject: Re: cxgb3: Replace LRO with GRO Herbert Xu wrote: > Divy Le Ray <divy@...lsio.com> wrote: >> Your patch looks fine. Early testing provides the same perfs >> seen with LRO. >> >> I resubmit the original patch with 2 changes: >> - cxgb3_set_flags() removal did not apply. >> commit 47fd23fe8efeea3af4593a8424419df48724eb25 had updated the routine. >> - replace the NETIF_F_LRO features flag with NETIF_F_GRO > > Thanks for the update Divy! It looks good to me. Hi Herbert, The perfs are not actually as good as with LRO. With a slow server, 1 netperf stream gets on average: without the patch, lro off: 3.8Gbs without the patch, lro on: 6.1Gbs with the patch, GRO on: 4.8Gbs. I'll look into it. Cheers, Divy -- 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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