On Wed, Jul 1, 2015 at 3:12 PM, Ben Pfaff <[email protected]> wrote:
> On Tue, Jun 30, 2015 at 11:19:08PM -0700, Jesse Gross wrote:
>> The addition of Geneve options to packet metadata significantly
>> expanded its size. It was reported that this can decrease performance
>> for DPDK ports by up to 25% since we need to initialize the whole
>> structure on each packet receive.
>>
>> It is not really necessary to zero out the entire structure because
>> miniflow_extract() only copies the tunnel metadata when particular
>> fields indicate that it is valid. Therefore, as long as we zero out
>> these fields when the metadata is initialized and ensure that the
>> rest of the structure is correctly set in the presence of a tunnel,
>> we can avoid touching the tunnel fields on packet reception.
>>
>> Reported-by: Ciara Loftus <[email protected]>
>> Signed-off-by: Jesse Gross <[email protected]>
>
> Acked-by: Ben Pfaff <[email protected]>

Thanks, applied to master.
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