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(parent: 8c3a897) | patch
veth: extend features to support tunneling
authorEric Dumazet <edumazet@google.com>
Sat, 26 Oct 2013 01:25:03 +0000 (18:25 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 28 Oct 2013 04:57:29 +0000 (00:57 -0400)
commit82d8189826d54740607e6a240e602850ef62a07d
tree239b1362fbe115628cc48af3d6b5ee73132964c4tree | snapshot (tar.gz zip)
parent8c3a897bfab10f68f90252440bb29e6749a7312acommit | diff
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>
drivers/net/veth.c diff | blob | blame | history