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Date: Sun, 23 Nov 2014 14:18:27 -0500 (EST) From: David Miller <davem@...emloft.net> To: alexander.h.duyck@...hat.com Cc: netdev@...r.kernel.org Subject: Re: [net PATCH] ipv6: Do not treat a GSO_TCPV4 request from UDP tunnel over IPv6 as invalid From: Alexander Duyck <alexander.h.duyck@...hat.com> Date: Fri, 21 Nov 2014 19:37:09 -0800 > This patch adds SKB_GSO_TCPV4 to the list of supported GSO types handled by > the IPv6 GSO offloads. Without this change VXLAN tunnels running over IPv6 > do not currently handle IPv4 TCP TSO requests correctly and end up handing > the non-segmented frame off to the device. > > Below is the before and after for a simple netperf TCP_STREAM test between > two endpoints tunneling IPv4 over a VXLAN tunnel running on IPv6 on top of > a 1Gb/s network adapter. > > Recv Send Send > Socket Socket Message Elapsed > Size Size Size Time Throughput > bytes bytes bytes secs. 10^6bits/sec > > 87380 16384 16384 10.29 0.88 Before > 87380 16384 16384 10.03 895.69 After > > Signed-off-by: Alexander Duyck <alexander.h.duyck@...hat.com> Applied, thank you. -- 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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