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authorEric Dumazet <edumazet@google.com>2013-10-25 18:25:03 -0700
committerDavid S. Miller <davem@davemloft.net>2013-10-28 00:57:29 -0400
commit82d8189826d54740607e6a240e602850ef62a07d (patch)
tree239b1362fbe115628cc48af3d6b5ee73132964c4 /drivers/vhost
parent8c3a897bfab10f68f90252440bb29e6749a7312a (diff)
downloadlinux-82d8189826d54740607e6a240e602850ef62a07d.tar.bz2
veth: extend features to support tunneling
While investigating on a recent vxlan regression, I found veth was using a zero features set for vxlan tunnels. We have to segment GSO frames, copy the payload, and do the checksum. This patch brings a ~200% performance increase We probably have to add hw_enc_features support on other virtual devices. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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