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Date: Fri, 19 Jul 2013 17:37:43 -0700 (PDT) From: David Miller <davem@...emloft.net> To: fbl@...hat.com Cc: netdev@...r.kernel.org Subject: Re: [PATCH net] veth: add vlan features From: Flavio Leitner <fbl@...hat.com> Date: Thu, 18 Jul 2013 16:15:11 -0300 > The veth device doesn't provide the vlan features, > so TSO for example is disabled and that causes > performance issues when using tagged traffic. > > The test topology looks like this: > > br0 br1 > / \ / \ > vnet veth0.10 ----- veth1.10 vnet > VM VM > > The netperf results with current veth driver: > MIGRATED TCP STREAM TEST from 192.168.1.1 () > port 0 AF_INET to 192.168.1.2 () port 0 AF_INET > Recv Send Send > Socket Socket Message Elapsed > Size Size Size Time Throughput > bytes bytes bytes secs. 10^6bits/sec > > 87380 16384 16384 10.01 2210.22 > > Now after applying the proposed patch: > MIGRATED TCP STREAM TEST from 192.168.1.1 () > port 0 AF_INET to 192.168.1.2 () port 0 AF_INET > Recv Send Send > Socket Socket Message Elapsed > Size Size Size Time Throughput > bytes bytes bytes secs. 10^6bits/sec > > 87380 16384 16384 10.00 13067.47 > > Signed-off-by: Flavio Leitner <fbl@...hat.com> Applied. -- 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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