[ovs-dev] [PATCH net-next 2/2] openvswitch: Use zerocopy if applicable when performing the upcall

Eric Dumazet eric.dumazet at gmail.com
Fri May 24 22:34:30 UTC 2013


On Fri, 2013-05-24 at 15:18 -0700, Jesse Gross wrote:

> Offloads are supported. What I want to know is how they affect
> performance with this change.

Hmm, I do not understand why you are checksumming then.

skb_copy_and_csum_dev() is a killer.






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