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Date: Thu, 2 May 2013 01:00:54 -0700 From: Pravin Shelar <pshelar@...ira.com> To: Eric Dumazet <eric.dumazet@...il.com> Cc: netdev <netdev@...r.kernel.org>, "Steinar H. Gunderson" <sesse@...gle.com> Subject: Re: [BUG] ipv6 and TSO on GRE is broken On Thu, May 2, 2013 at 12:02 AM, Pravin Shelar <pshelar@...ira.com> wrote: > I forgot to add gre gso handler to inet6 offloads list. > > I will send out patch soon. > nevermind, I guess you were talking abt ipv6 over gre-ipv4 device, I will check the code. > Thanks, > Pravin. > > On Wed, May 1, 2013 at 8:53 AM, Eric Dumazet <eric.dumazet@...il.com> wrote: >> This was reported by Steinar. >> >> Sending this to netdev, as I wont have time to debug this in the near >> future. (~ 3 days) >> >> 3.9 and latest net-next are broken for IPv6 on top of GRE tunnel >> >> GSO seems OK, but TSO not : >> >> lpq83:~# ethtool -K gre1 tso off gso on >> lpq83:~# netperf -H 4444::555:0084 >> MIGRATED TCP STREAM TEST from ::0 (::) port 0 AF_INET6 to 4444::555:0084 >> () port 0 AF_INET6 >> Recv Send Send >> Socket Socket Message Elapsed >> Size Size Size Time Throughput >> bytes bytes bytes secs. 10^6bits/sec >> >> 87380 16384 16384 10.00 3789.10 >> lpq83:~# ethtool -K gre1 tso on >> lpq83:~# netperf -H 4444::555:0084 >> MIGRATED TCP STREAM TEST from ::0 (::) port 0 AF_INET6 to 4444::555:0084 >> () port 0 AF_INET6 >> Recv Send Send >> Socket Socket Message Elapsed >> Size Size Size Time Throughput >> bytes bytes bytes secs. 10^6bits/sec >> >> 87380 16384 16384 10.00 321.27 >> >> >> No problem for IPv4 >> >> Thanks >> >> -- 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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