[ovs-dev] [PATCH] Add VLAN splinters unit test.

Ben Pfaff blp at nicira.com
Tue Jun 25 21:25:00 UTC 2013

On Tue, Jun 25, 2013 at 02:14:49PM -0700, Alex Wang wrote:
> But I still want to ask, what is the performance cost caused by using
> vlan-splinter? Is that in that the using device driver can be faster than
> matching datapath flow?

Looking up the splinter ports, on input and output, in an extra hash
table has some cost.  There is also some extra in-kernel time and
space cost due to the extra devices.  I have not measured whether
these costs are significant; I cannot guess.

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