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Message-ID: <54030F00.3010706@cogentembedded.com> Date: Sun, 31 Aug 2014 16:03:12 +0400 From: Sergei Shtylyov <sergei.shtylyov@...entembedded.com> To: Florian Westphal <fw@...len.de>, e1000-devel@...ts.sourceforge.net CC: netdev@...r.kernel.org Subject: Re: [PATCH 7/7] e1000: switch to napi_gro_frags api Hello. On 8/30/2014 10:28 PM, Florian Westphal wrote: > napi_gro_frags allows skb re-use in case GRO can merge payload pages > into an skb on the gro lists. > netperf TCP_STREAM, kvm-e1000 emulation, mtu 9k: > Size Size Size Time Throughput > bytes bytes bytes secs. 10^6bits/sec > old: 87380 16384 16384 30.00 8985.78 > new: 87380 16384 16384 30.00 9907.05 > Signed-off-by: Florian Westphal <fw@...len.de> > --- > drivers/net/ethernet/intel/e1000/e1000_main.c | 50 ++++++++++++++++++--------- > 1 file changed, 33 insertions(+), 17 deletions(-) > diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c > index 9ac9a77..784a67f 100644 > --- a/drivers/net/ethernet/intel/e1000/e1000_main.c > +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c [...] > @@ -4234,7 +4234,23 @@ process_skb: > * buffer_info->rxbuf.page > */ > skb_put(skb, length); > + e1000_rx_checksum(adapter, > + (u32)(status) | > + ((u32)(rx_desc->errors) << 24), Inner parens are not needed. [...] WBR, Sergei -- 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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