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

Eric Dumazet eric.dumazet at gmail.com
Sat May 25 00:32:43 UTC 2013


On Fri, 2013-05-24 at 17:08 -0700, Jesse Gross wrote:

> What's the alternative?

I guess Thomas was working on this ;)

We addressed all this on nfnetlink lately.

Presumably GSO stuff is a non issue for vSwitch upcalls.

But UDP messages can be big, and their checksum might be already
validated by the NIC.






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